version 1.133, 2001/07/26 21:40:27
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version 1.933, 2007/12/21 04:22:53
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# The LearningOnline Network |
# The LearningOnline Network |
# TCP networking package |
# TCP networking package |
# |
# |
# Functions for use by content handlers: |
# $Id$ |
# |
# |
# metadata_query(sql-query-string,custom-metadata-regex) : |
# Copyright Michigan State University Board of Trustees |
# returns file handle of where sql and |
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# regex results will be stored for query |
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# plaintext(short) : plain text explanation of short term |
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# fileembstyle(ext) : embed style in page for file extension |
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# filedescription(ext) : descriptor text for file extension |
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# allowed(short,url) : returns codes for allowed actions |
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# F: full access |
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# U,I,K: authentication modes (cxx only) |
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# '': forbidden |
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# 1: user needs to choose course |
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# 2: browse allowed |
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# definerole(rolename,sys,dom,cou) : define a custom role rolename |
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# set privileges in format of lonTabs/roles.tab for |
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# system, domain and course level, |
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# assignrole(udom,uname,url,role,end,start) : give a role to a user for the |
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# level given by url. Optional start and end dates |
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# (leave empty string or zero for "no date") |
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# assigncustomrole (udom,uname,url,rdom,rnam,rolename,end,start) : give a |
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# custom role to a user for the level given by url. |
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# Specify name and domain of role author, and role name |
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# revokerole (udom,uname,url,role) : Revoke a role for url |
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# revokecustomrole (udom,uname,url,rdom,rnam,rolename) : Revoke a custom role |
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# appenv(hash) : adds hash to session environment |
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# delenv(varname) : deletes all environment entries starting with varname |
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# store(hashref,symb,courseid,udom,uname) |
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# : stores hash permanently for this url |
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# hashref needs to be given, and should be a \%hashname |
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# the remaining args aren't required and if they aren't |
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# passed or are '' they will be derived from the ENV |
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# cstore(hashref,symb,courseid,udom,uname) |
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# : same as store but uses the critical interface to |
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# guarentee a store |
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# restore(symb,courseid,udom,uname) |
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# : returns hash for this symb, all args are optional |
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# if they aren't given they will be derived from the |
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# current enviroment |
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# |
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# |
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# for the next 4 functions udom and uname are optional |
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# if supplied they use udom as the domain and uname |
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# as the username for the function (supply a courseid |
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# for the uname if you want a course database) |
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# if not supplied it uses %ENV and looks at |
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# user. attribute for the values |
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# |
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# eget(namesp,arrayref,udom,uname) |
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# : returns hash with keys from array reference filled |
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# in from namesp (encrypts the return communication) |
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# get(namesp,arrayref,udom,uname) |
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# : returns hash with keys from array reference filled |
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# in from namesp |
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# dump(namesp,udom,uname) : dumps the complete namespace into a hash |
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# del(namesp,array,udom,uname) : deletes keys out of array from namesp |
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# |
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# |
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# put(namesp,hash) : stores hash in namesp |
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# cput(namesp,hash) : critical put |
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# ssi(url,hash) : does a complete request cycle on url to localhost, posts |
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# hash |
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# coursedescription(id) : returns and caches course description for id |
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# repcopy(filename) : replicate file |
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# dirlist(url) : gets a directory listing |
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# directcondval(index) : reading condition value of single condition from |
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# state string |
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# condval(index) : value of condition index based on state |
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# EXT(name) : value of a variable |
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# symblist(map,hash) : Updates symbolic storage links |
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# symbread([filename]) : returns the data handle (filename optional) |
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# rndseed() : returns a random seed |
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# receipt() : returns a receipt to be given out to users |
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# getfile(filename) : returns the contents of filename, or a -1 if it can't |
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# be found, replicates and subscribes to the file |
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# filelocation(dir,file) : returns a fairly clean absolute reference to file |
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# from the directory dir |
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# hreflocation(dir,file) : same as filelocation, but for hrefs |
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# log(domain,user,home,msg) : write to permanent log for user |
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# usection(domain,user,courseid) : output of section name/number or '' for |
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# "not in course" and '-1' for "no section" |
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# userenvironment(domain,user,what) : puts out any environment parameter |
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# for a user |
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# idput(domain,hash) : writes IDs for users from hash (name=>id,name=>id) |
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# idget(domain,array): returns hash with usernames (id=>name,id=>name) for |
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# an array of IDs |
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# idrget(domain,array): returns hash with IDs for usernames (name=>id,...) for |
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# an array of names |
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# metadata(file,entry): returns the metadata entry for a file. entry='keys' |
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# returns a comma separated list of keys |
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# |
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# 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30, |
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# 7/1,7/2,7/9,7/10,7/12,7/14,7/15,7/19, |
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# 11/8,11/16,11/18,11/22,11/23,12/22, |
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# 01/06,01/13,02/24,02/28,02/29, |
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# 03/01,03/02,03/06,03/07,03/13, |
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# 04/05,05/29,05/31,06/01, |
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# 06/05,06/26 Gerd Kortemeyer |
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# 06/26 Ben Tyszka |
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# 06/30,07/15,07/17,07/18,07/20,07/21,07/22,07/25 Gerd Kortemeyer |
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# 08/14 Ben Tyszka |
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# 08/22,08/28,08/31,09/01,09/02,09/04,09/05,09/25,09/28,09/30 Gerd Kortemeyer |
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# 10/04 Gerd Kortemeyer |
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# 10/04 Guy Albertelli |
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# 10/06,10/09,10/10,10/11,10/14,10/20,10/23,10/25,10/26,10/27,10/28,10/29, |
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# 10/30,10/31, |
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# 11/2,11/14,11/15,11/16,11/20,11/21,11/22,11/25,11/27, |
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# 12/02,12/12,12/13,12/14,12/28,12/29 Gerd Kortemeyer |
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# 05/01/01 Guy Albertelli |
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# 05/01,06/01,09/01 Gerd Kortemeyer |
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# 09/01 Guy Albertelli |
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# 09/01,10/01,11/01 Gerd Kortemeyer |
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# 02/27/01 Scott Harrison |
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# 3/2 Gerd Kortemeyer |
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# 3/15,3/19 Scott Harrison |
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# 3/19,3/20 Gerd Kortemeyer |
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# 3/22,3/27,4/2,4/16,4/17 Scott Harrison |
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# 5/26,5/28 Gerd Kortemeyer |
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# 5/30 H. K. Ng |
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# 6/1 Gerd Kortemeyer |
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# |
# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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### |
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package Apache::lonnet; |
package Apache::lonnet; |
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use strict; |
use strict; |
use Apache::File; |
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use LWP::UserAgent(); |
use LWP::UserAgent(); |
use HTTP::Headers; |
use HTTP::Date; |
use vars |
# use Date::Parse; |
qw(%perlvar %hostname %homecache %spareid %hostdom %libserv %pr %prp %fe %fd $readit %metacache); |
use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir |
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$_64bit %env); |
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my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash, |
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%userrolehash, $processmarker, $dumpcount, %coursedombuf, |
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%coursenumbuf, %coursehombuf, %coursedescrbuf, %courseinstcodebuf, |
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%courseownerbuf, %coursetypebuf); |
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use IO::Socket; |
use IO::Socket; |
use GDBM_File; |
use GDBM_File; |
use Apache::Constants qw(:common :http); |
use HTML::LCParser; |
use HTML::TokeParser; |
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use Fcntl qw(:flock); |
use Fcntl qw(:flock); |
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use Storable qw(thaw nfreeze); |
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use Time::HiRes qw( gettimeofday tv_interval ); |
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use Cache::Memcached; |
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use Digest::MD5; |
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use Math::Random; |
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use LONCAPA qw(:DEFAULT :match); |
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use LONCAPA::Configuration; |
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my $readit; |
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my $max_connection_retries = 10; # Or some such value. |
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require Exporter; |
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our @ISA = qw (Exporter); |
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our @EXPORT = qw(%env); |
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=pod |
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=head1 Package Variables |
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These are largely undocumented, so if you decipher one please note it here. |
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=over 4 |
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=item $processmarker |
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Contains the time this process was started and this servers host id. |
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=item $dumpcount |
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Counts the number of times a message log flush has been attempted (regardless |
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of success) by this process. Used as part of the filename when messages are |
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delayed. |
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=back |
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=cut |
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# --------------------------------------------------------------------- Logging |
# --------------------------------------------------------------------- Logging |
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{ |
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my $logid; |
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sub instructor_log { |
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my ($hash_name,$storehash,$delflag,$uname,$udom)=@_; |
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$logid++; |
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my $id=time().'00000'.$$.'00000'.$logid; |
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return &Apache::lonnet::put('nohist_'.$hash_name, |
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{ $id => { |
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'exe_uname' => $env{'user.name'}, |
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'exe_udom' => $env{'user.domain'}, |
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'exe_time' => time(), |
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'exe_ip' => $ENV{'REMOTE_ADDR'}, |
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'delflag' => $delflag, |
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'logentry' => $storehash, |
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'uname' => $uname, |
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'udom' => $udom, |
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} |
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}, |
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$env{'course.'.$env{'request.course.id'}.'.domain'}, |
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$env{'course.'.$env{'request.course.id'}.'.num'} |
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); |
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} |
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} |
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sub logtouch { |
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my $execdir=$perlvar{'lonDaemons'}; |
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unless (-e "$execdir/logs/lonnet.log") { |
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open(my $fh,">>$execdir/logs/lonnet.log"); |
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close $fh; |
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} |
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my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3]; |
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chown($wwwuid,$wwwgid,$execdir.'/logs/lonnet.log'); |
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} |
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sub logthis { |
sub logthis { |
my $message=shift; |
my $message=shift; |
my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
my $now=time; |
my $now=time; |
my $local=localtime($now); |
my $local=localtime($now); |
my $fh=Apache::File->new(">>$execdir/logs/lonnet.log"); |
if (open(my $fh,">>$execdir/logs/lonnet.log")) { |
print $fh "$local ($$): $message\n"; |
print $fh "$local ($$): $message\n"; |
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close($fh); |
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} |
return 1; |
return 1; |
} |
} |
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Line 154 sub logperm {
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Line 136 sub logperm {
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my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
my $now=time; |
my $now=time; |
my $local=localtime($now); |
my $local=localtime($now); |
my $fh=Apache::File->new(">>$execdir/logs/lonnet.perm.log"); |
if (open(my $fh,">>$execdir/logs/lonnet.perm.log")) { |
print $fh "$now:$message:$local\n"; |
print $fh "$now:$message:$local\n"; |
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close($fh); |
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} |
return 1; |
return 1; |
} |
} |
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sub create_connection { |
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my ($hostname,$lonid) = @_; |
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my $client=IO::Socket::UNIX->new(Peer => $perlvar{'lonSockCreate'}, |
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Type => SOCK_STREAM, |
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Timeout => 10); |
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return 0 if (!$client); |
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print $client (join(':',$hostname,$lonid,&machine_ids($hostname))."\n"); |
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my $result = <$client>; |
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chomp($result); |
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return 1 if ($result eq 'done'); |
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return 0; |
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} |
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# -------------------------------------------------- Non-critical communication |
# -------------------------------------------------- Non-critical communication |
sub subreply { |
sub subreply { |
my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
my $peerfile="$perlvar{'lonSockDir'}/$server"; |
my $peerfile="$perlvar{'lonSockDir'}/".&hostname($server); |
my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", |
# |
Type => SOCK_STREAM, |
# With loncnew process trimming, there's a timing hole between lonc server |
Timeout => 10) |
# process exit and the master server picking up the listen on the AF_UNIX |
or return "con_lost"; |
# socket. In that time interval, a lock file will exist: |
print $client "$cmd\n"; |
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my $answer=<$client>; |
my $lockfile=$peerfile.".lock"; |
if (!$answer) { $answer="con_lost"; } |
while (-e $lockfile) { # Need to wait for the lockfile to disappear. |
chomp($answer); |
sleep(1); |
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} |
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# At this point, either a loncnew parent is listening or an old lonc |
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# or loncnew child is listening so we can connect or everything's dead. |
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# |
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# We'll give the connection a few tries before abandoning it. If |
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# connection is not possible, we'll con_lost back to the client. |
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# |
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my $client; |
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for (my $retries = 0; $retries < $max_connection_retries; $retries++) { |
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$client=IO::Socket::UNIX->new(Peer =>"$peerfile", |
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Type => SOCK_STREAM, |
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Timeout => 10); |
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if ($client) { |
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last; # Connected! |
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} else { |
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&create_connection(&hostname($server),$server); |
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} |
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sleep(1); # Try again later if failed connection. |
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} |
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my $answer; |
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if ($client) { |
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print $client "sethost:$server:$cmd\n"; |
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$answer=<$client>; |
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if (!$answer) { $answer="con_lost"; } |
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chomp($answer); |
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} else { |
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$answer = 'con_lost'; # Failed connection. |
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} |
return $answer; |
return $answer; |
} |
} |
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sub reply { |
sub reply { |
my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
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unless (defined(&hostname($server))) { return 'no_such_host'; } |
my $answer=subreply($cmd,$server); |
my $answer=subreply($cmd,$server); |
if ($answer eq 'con_lost') { $answer=subreply($cmd,$server); } |
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if (($answer=~/^refused/) || ($answer=~/^rejected/)) { |
if (($answer=~/^refused/) || ($answer=~/^rejected/)) { |
&logthis("<font color=blue>WARNING:". |
&logthis("<font color=\"blue\">WARNING:". |
" $cmd to $server returned $answer</font>"); |
" $cmd to $server returned $answer</font>"); |
} |
} |
return $answer; |
return $answer; |
Line 188 sub reply {
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Line 214 sub reply {
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# ----------------------------------------------------------- Send USR1 to lonc |
# ----------------------------------------------------------- Send USR1 to lonc |
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sub reconlonc { |
sub reconlonc { |
my $peerfile=shift; |
my ($lonid) = @_; |
&logthis("Trying to reconnect for $peerfile"); |
my $hostname = &hostname($lonid); |
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if ($lonid) { |
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my $peerfile="$perlvar{'lonSockDir'}/$hostname"; |
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if ($hostname && -e $peerfile) { |
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&logthis("Trying to reconnect lonc for $lonid ($hostname)"); |
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my $client=IO::Socket::UNIX->new(Peer => $peerfile, |
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Type => SOCK_STREAM, |
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Timeout => 10); |
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if ($client) { |
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print $client ("reset_retries\n"); |
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my $answer=<$client>; |
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#reset just this one. |
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} |
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} |
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return; |
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} |
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&logthis("Trying to reconnect lonc"); |
my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; |
my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; |
if (my $fh=Apache::File->new("$loncfile")) { |
if (open(my $fh,"<$loncfile")) { |
my $loncpid=<$fh>; |
my $loncpid=<$fh>; |
chomp($loncpid); |
chomp($loncpid); |
if (kill 0 => $loncpid) { |
if (kill 0 => $loncpid) { |
&logthis("lonc at pid $loncpid responding, sending USR1"); |
&logthis("lonc at pid $loncpid responding, sending USR1"); |
kill USR1 => $loncpid; |
kill USR1 => $loncpid; |
sleep 1; |
sleep 1; |
if (-e "$peerfile") { return; } |
} else { |
&logthis("$peerfile still not there, give it another try"); |
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sleep 5; |
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if (-e "$peerfile") { return; } |
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&logthis( |
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"<font color=blue>WARNING: $peerfile still not there, giving up</font>"); |
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} else { |
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&logthis( |
&logthis( |
"<font color=blue>WARNING:". |
"<font color=\"blue\">WARNING:". |
" lonc at pid $loncpid not responding, giving up</font>"); |
" lonc at pid $loncpid not responding, giving up</font>"); |
} |
} |
} else { |
} else { |
&logthis('<font color=blue>WARNING: lonc not running, giving up</font>'); |
&logthis('<font color="blue">WARNING: lonc not running, giving up</font>'); |
} |
} |
} |
} |
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Line 218 sub reconlonc {
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Line 255 sub reconlonc {
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sub critical { |
sub critical { |
my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
unless ($hostname{$server}) { |
unless (&hostname($server)) { |
&logthis("<font color=blue>WARNING:". |
&logthis("<font color=\"blue\">WARNING:". |
" Critical message to unknown server ($server)</font>"); |
" Critical message to unknown server ($server)</font>"); |
return 'no_such_host'; |
return 'no_such_host'; |
} |
} |
my $answer=reply($cmd,$server); |
my $answer=reply($cmd,$server); |
if ($answer eq 'con_lost') { |
if ($answer eq 'con_lost') { |
my $pingreply=reply('ping',$server); |
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&reconlonc("$perlvar{'lonSockDir'}/$server"); |
&reconlonc("$perlvar{'lonSockDir'}/$server"); |
my $pongreply=reply('pong',$server); |
my $answer=reply($cmd,$server); |
&logthis("Ping/Pong for $server: $pingreply/$pongreply"); |
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$answer=reply($cmd,$server); |
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if ($answer eq 'con_lost') { |
if ($answer eq 'con_lost') { |
my $now=time; |
my $now=time; |
my $middlename=$cmd; |
my $middlename=$cmd; |
$middlename=substr($middlename,0,16); |
$middlename=substr($middlename,0,16); |
$middlename=~s/\W//g; |
$middlename=~s/\W//g; |
my $dfilename= |
my $dfilename= |
"$perlvar{'lonSockDir'}/delayed/$now.$middlename.$server"; |
"$perlvar{'lonSockDir'}/delayed/$now.$dumpcount.$$.$middlename.$server"; |
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$dumpcount++; |
{ |
{ |
my $dfh; |
my $dfh; |
if ($dfh=Apache::File->new(">$dfilename")) { |
if (open($dfh,">$dfilename")) { |
print $dfh "$cmd\n"; |
print $dfh "$cmd\n"; |
} |
close($dfh); |
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} |
} |
} |
sleep 2; |
sleep 2; |
my $wcmd=''; |
my $wcmd=''; |
{ |
{ |
my $dfh; |
my $dfh; |
if ($dfh=Apache::File->new("$dfilename")) { |
if (open($dfh,"<$dfilename")) { |
$wcmd=<$dfh>; |
$wcmd=<$dfh>; |
} |
close($dfh); |
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} |
} |
} |
chomp($wcmd); |
chomp($wcmd); |
if ($wcmd eq $cmd) { |
if ($wcmd eq $cmd) { |
&logthis("<font color=blue>WARNING: ". |
&logthis("<font color=\"blue\">WARNING: ". |
"Connection buffer $dfilename: $cmd</font>"); |
"Connection buffer $dfilename: $cmd</font>"); |
&logperm("D:$server:$cmd"); |
&logperm("D:$server:$cmd"); |
return 'con_delayed'; |
return 'con_delayed'; |
} else { |
} else { |
&logthis("<font color=red>CRITICAL:" |
&logthis("<font color=\"red\">CRITICAL:" |
." Critical connection failed: $server $cmd</font>"); |
." Critical connection failed: $server $cmd</font>"); |
&logperm("F:$server:$cmd"); |
&logperm("F:$server:$cmd"); |
return 'con_failed'; |
return 'con_failed'; |
Line 268 sub critical {
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Line 305 sub critical {
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return $answer; |
return $answer; |
} |
} |
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# ---------------------------------------------------------- Append Environment |
# ------------------------------------------- check if return value is an error |
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sub appenv { |
sub error { |
my %newenv=@_; |
my ($result) = @_; |
map { |
if ($result =~ /^(con_lost|no_such_host|error: (\d+) (.*))/) { |
if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { |
if ($2 == 2) { return undef; } |
&logthis("<font color=blue>WARNING: ". |
return $1; |
"Attempt to modify environment ".$_." to ".$newenv{$_}); |
} |
delete($newenv{$_}); |
return undef; |
} else { |
} |
$ENV{$_}=$newenv{$_}; |
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} |
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} keys %newenv; |
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|
my $lockfh; |
sub convert_and_load_session_env { |
unless ($lockfh=Apache::File->new("$ENV{'user.environment'}")) { |
my ($lonidsdir,$handle)=@_; |
return 'error: '.$!; |
my @profile; |
|
{ |
|
my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id"); |
|
if (!$opened) { |
|
return 0; |
|
} |
|
flock($idf,LOCK_SH); |
|
@profile=<$idf>; |
|
close($idf); |
|
} |
|
my %temp_env; |
|
foreach my $line (@profile) { |
|
if ($line !~ m/=/) { |
|
return 0; |
|
} |
|
chomp($line); |
|
my ($envname,$envvalue)=split(/=/,$line,2); |
|
$temp_env{&unescape($envname)} = &unescape($envvalue); |
|
} |
|
unlink("$lonidsdir/$handle.id"); |
|
if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",&GDBM_WRCREAT(), |
|
0640)) { |
|
%disk_env = %temp_env; |
|
@env{keys(%temp_env)} = @disk_env{keys(%temp_env)}; |
|
untie(%disk_env); |
|
} |
|
return 1; |
|
} |
|
|
|
# ------------------------------------------- Transfer profile into environment |
|
my $env_loaded; |
|
sub transfer_profile_to_env { |
|
my ($lonidsdir,$handle,$force_transfer) = @_; |
|
if (!$force_transfer && $env_loaded) { return; } |
|
|
|
if (!defined($lonidsdir)) { |
|
$lonidsdir = $perlvar{'lonIDsDir'}; |
} |
} |
unless (flock($lockfh,LOCK_EX)) { |
if (!defined($handle)) { |
&logthis("<font color=blue>WARNING: ". |
($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| ); |
'Could not obtain exclusive lock in appenv: '.$!); |
|
$lockfh->close(); |
|
return 'error: '.$!; |
|
} |
} |
|
|
my @oldenv; |
my $convert; |
{ |
{ |
my $fh; |
my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id"); |
unless ($fh=Apache::File->new("$ENV{'user.environment'}")) { |
if (!$opened) { |
return 'error: '.$!; |
return; |
} |
} |
@oldenv=<$fh>; |
flock($idf,LOCK_SH); |
$fh->close(); |
if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id", |
|
&GDBM_READER(),0640)) { |
|
@env{keys(%disk_env)} = @disk_env{keys(%disk_env)}; |
|
untie(%disk_env); |
|
} else { |
|
$convert = 1; |
|
} |
} |
} |
for (my $i=0; $i<=$#oldenv; $i++) { |
if ($convert) { |
chomp($oldenv[$i]); |
if (!&convert_and_load_session_env($lonidsdir,$handle)) { |
if ($oldenv[$i] ne '') { |
&logthis("Failed to load session, or convert session."); |
my ($name,$value)=split(/=/,$oldenv[$i]); |
} |
unless (defined($newenv{$name})) { |
} |
$newenv{$name}=$value; |
|
} |
my %remove; |
|
while ( my $envname = each(%env) ) { |
|
if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) { |
|
if ($time < time-300) { |
|
$remove{$key}++; |
|
} |
} |
} |
} |
} |
{ |
|
my $fh; |
$env{'user.environment'} = "$lonidsdir/$handle.id"; |
unless ($fh=Apache::File->new(">$ENV{'user.environment'}")) { |
$env_loaded=1; |
return 'error'; |
foreach my $expired_key (keys(%remove)) { |
} |
&delenv($expired_key); |
my $newname; |
|
foreach $newname (keys %newenv) { |
|
print $fh "$newname=$newenv{$newname}\n"; |
|
} |
|
$fh->close(); |
|
} |
} |
|
} |
|
|
|
# ---------------------------------------------------- Check for valid session |
|
sub check_for_valid_session { |
|
my ($r) = @_; |
|
my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); |
|
my $lonid=$cookies{'lonID'}; |
|
return undef if (!$lonid); |
|
|
|
my $handle=&LONCAPA::clean_handle($lonid->value); |
|
my $lonidsdir=$r->dir_config('lonIDsDir'); |
|
return undef if (!-e "$lonidsdir/$handle.id"); |
|
|
|
my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id"); |
|
return undef if (!$opened); |
|
|
|
flock($idf,LOCK_SH); |
|
my %disk_env; |
|
if (!tie(%disk_env,'GDBM_File',"$lonidsdir/$handle.id", |
|
&GDBM_READER(),0640)) { |
|
return undef; |
|
} |
|
|
|
if (!defined($disk_env{'user.name'}) |
|
|| !defined($disk_env{'user.domain'})) { |
|
return undef; |
|
} |
|
return $handle; |
|
} |
|
|
|
sub timed_flock { |
|
my ($file,$lock_type) = @_; |
|
my $failed=0; |
|
eval { |
|
local $SIG{__DIE__}='DEFAULT'; |
|
local $SIG{ALRM}=sub { |
|
$failed=1; |
|
die("failed lock"); |
|
}; |
|
alarm(13); |
|
flock($file,$lock_type); |
|
alarm(0); |
|
}; |
|
if ($failed) { |
|
return undef; |
|
} else { |
|
return 1; |
|
} |
|
} |
|
|
|
# ---------------------------------------------------------- Append Environment |
|
|
$lockfh->close(); |
sub appenv { |
|
my %newenv=@_; |
|
foreach my $key (keys(%newenv)) { |
|
if (($newenv{$key}=~/^user\.role/) || ($newenv{$key}=~/^user\.priv/)) { |
|
&logthis("<font color=\"blue\">WARNING: ". |
|
"Attempt to modify environment ".$key." to ".$newenv{$key} |
|
.'</font>'); |
|
delete($newenv{$key}); |
|
} else { |
|
$env{$key}=$newenv{$key}; |
|
} |
|
} |
|
my $opened = open(my $env_file,'+<',$env{'user.environment'}); |
|
if ($opened |
|
&& &timed_flock($env_file,LOCK_EX) |
|
&& |
|
tie(my %disk_env,'GDBM_File',$env{'user.environment'}, |
|
(&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) { |
|
while (my ($key,$value) = each(%newenv)) { |
|
$disk_env{$key} = $value; |
|
} |
|
untie(%disk_env); |
|
} |
return 'ok'; |
return 'ok'; |
} |
} |
# ----------------------------------------------------- Delete from Environment |
# ----------------------------------------------------- Delete from Environment |
|
|
sub delenv { |
sub delenv { |
my $delthis=shift; |
my $delthis=shift; |
my %newenv=(); |
|
if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { |
if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { |
&logthis("<font color=blue>WARNING: ". |
&logthis("<font color=\"blue\">WARNING: ". |
"Attempt to delete from environment ".$delthis); |
"Attempt to delete from environment ".$delthis); |
return 'error'; |
return 'error'; |
} |
} |
my @oldenv; |
my $opened = open(my $env_file,'+<',$env{'user.environment'}); |
{ |
if ($opened |
my $fh; |
&& &timed_flock($env_file,LOCK_EX) |
unless ($fh=Apache::File->new("$ENV{'user.environment'}")) { |
&& |
return 'error'; |
tie(my %disk_env,'GDBM_File',$env{'user.environment'}, |
} |
(&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) { |
unless (flock($fh,LOCK_SH)) { |
foreach my $key (keys(%disk_env)) { |
&logthis("<font color=blue>WARNING: ". |
if ($key=~/^$delthis/) { |
'Could not obtain shared lock in delenv: '.$!); |
delete($env{$key}); |
$fh->close(); |
delete($disk_env{$key}); |
return 'error: '.$!; |
} |
} |
} |
@oldenv=<$fh>; |
untie(%disk_env); |
$fh->close(); |
} |
|
return 'ok'; |
|
} |
|
|
|
sub get_env_multiple { |
|
my ($name) = @_; |
|
my @values; |
|
if (defined($env{$name})) { |
|
# exists is it an array |
|
if (ref($env{$name})) { |
|
@values=@{ $env{$name} }; |
|
} else { |
|
$values[0]=$env{$name}; |
|
} |
} |
} |
|
return(@values); |
|
} |
|
|
|
# ------------------------------------------ Find out current server userload |
|
sub userload { |
|
my $numusers=0; |
{ |
{ |
my $fh; |
opendir(LONIDS,$perlvar{'lonIDsDir'}); |
unless ($fh=Apache::File->new(">$ENV{'user.environment'}")) { |
my $filename; |
return 'error'; |
my $curtime=time; |
} |
while ($filename=readdir(LONIDS)) { |
unless (flock($fh,LOCK_EX)) { |
next if ($filename eq '.' || $filename eq '..'); |
&logthis("<font color=blue>WARNING: ". |
next if ($filename =~ /publicuser_\d+\.id/); |
'Could not obtain exclusive lock in delenv: '.$!); |
my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; |
$fh->close(); |
if ($curtime-$mtime < 1800) { $numusers++; } |
return 'error: '.$!; |
} |
} |
closedir(LONIDS); |
map { |
|
unless ($_=~/^$delthis/) { print $fh $_; } |
|
} @oldenv; |
|
$fh->close(); |
|
} |
} |
return 'ok'; |
my $userloadpercent=0; |
|
my $maxuserload=$perlvar{'lonUserLoadLim'}; |
|
if ($maxuserload) { |
|
$userloadpercent=100*$numusers/$maxuserload; |
|
} |
|
$userloadpercent=sprintf("%.2f",$userloadpercent); |
|
return $userloadpercent; |
|
} |
|
|
|
# ------------------------------------------ Fight off request when overloaded |
|
|
|
sub overloaderror { |
|
my ($r,$checkserver)=@_; |
|
unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; } |
|
my $loadavg; |
|
if ($checkserver eq $perlvar{'lonHostID'}) { |
|
open(my $loadfile,'/proc/loadavg'); |
|
$loadavg=<$loadfile>; |
|
$loadavg =~ s/\s.*//g; |
|
$loadavg = 100*$loadavg/$perlvar{'lonLoadLim'}; |
|
close($loadfile); |
|
} else { |
|
$loadavg=&reply('load',$checkserver); |
|
} |
|
my $overload=$loadavg-100; |
|
if ($overload>0) { |
|
$r->err_headers_out->{'Retry-After'}=$overload; |
|
$r->log_error('Overload of '.$overload.' on '.$checkserver); |
|
return 413; |
|
} |
|
return ''; |
} |
} |
|
|
# ------------------------------ Find server with least workload from spare.tab |
# ------------------------------ Find server with least workload from spare.tab |
|
|
sub spareserver { |
sub spareserver { |
my $tryserver; |
my ($loadpercent,$userloadpercent,$want_server_name) = @_; |
my $spareserver=''; |
my $spare_server; |
my $lowestserver=100; |
if ($userloadpercent !~ /\d/) { $userloadpercent=0; } |
foreach $tryserver (keys %spareid) { |
my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent |
my $answer=reply('load',$tryserver); |
: $userloadpercent; |
if (($answer =~ /\d/) && ($answer<$lowestserver)) { |
|
$spareserver="http://$hostname{$tryserver}"; |
foreach my $try_server (@{ $spareid{'primary'} }) { |
$lowestserver=$answer; |
($spare_server, $lowest_load) = |
} |
&compare_server_load($try_server, $spare_server, $lowest_load); |
} |
} |
return $spareserver; |
|
|
my $found_server = ($spare_server ne '' && $lowest_load < 100); |
|
|
|
if (!$found_server) { |
|
foreach my $try_server (@{ $spareid{'default'} }) { |
|
($spare_server, $lowest_load) = |
|
&compare_server_load($try_server, $spare_server, $lowest_load); |
|
} |
|
} |
|
|
|
if (!$want_server_name) { |
|
$spare_server="http://".&hostname($spare_server); |
|
} |
|
return $spare_server; |
|
} |
|
|
|
sub compare_server_load { |
|
my ($try_server, $spare_server, $lowest_load) = @_; |
|
|
|
my $loadans = &reply('load', $try_server); |
|
my $userloadans = &reply('userload',$try_server); |
|
|
|
if ($loadans !~ /\d/ && $userloadans !~ /\d/) { |
|
next; #didn't get a number from the server |
|
} |
|
|
|
my $load; |
|
if ($loadans =~ /\d/) { |
|
if ($userloadans =~ /\d/) { |
|
#both are numbers, pick the bigger one |
|
$load = ($loadans > $userloadans) ? $loadans |
|
: $userloadans; |
|
} else { |
|
$load = $loadans; |
|
} |
|
} else { |
|
$load = $userloadans; |
|
} |
|
|
|
if (($load =~ /\d/) && ($load < $lowest_load)) { |
|
$spare_server = $try_server; |
|
$lowest_load = $load; |
|
} |
|
return ($spare_server,$lowest_load); |
|
} |
|
|
|
# --------------------------- ask offload servers if user already has a session |
|
sub find_existing_session { |
|
my ($udom,$uname) = @_; |
|
foreach my $try_server (@{ $spareid{'primary'} }, |
|
@{ $spareid{'default'} }) { |
|
return $try_server if (&has_user_session($try_server, $udom, $uname)); |
|
} |
|
return; |
|
} |
|
|
|
# -------------------------------- ask if server already has a session for user |
|
sub has_user_session { |
|
my ($lonid,$udom,$uname) = @_; |
|
my $result = &reply(join(':','userhassession', |
|
map {&escape($_)} ($udom,$uname)),$lonid); |
|
return 1 if ($result eq 'ok'); |
|
|
|
return 0; |
|
} |
|
|
|
# --------------------------------------------- Try to change a user's password |
|
|
|
sub changepass { |
|
my ($uname,$udom,$currentpass,$newpass,$server,$context)=@_; |
|
$currentpass = &escape($currentpass); |
|
$newpass = &escape($newpass); |
|
my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context", |
|
$server); |
|
if (! $answer) { |
|
&logthis("No reply on password change request to $server ". |
|
"by $uname in domain $udom."); |
|
} elsif ($answer =~ "^ok") { |
|
&logthis("$uname in $udom successfully changed their password ". |
|
"on $server."); |
|
} elsif ($answer =~ "^pwchange_failure") { |
|
&logthis("$uname in $udom was unable to change their password ". |
|
"on $server. The action was blocked by either lcpasswd ". |
|
"or pwchange"); |
|
} elsif ($answer =~ "^non_authorized") { |
|
&logthis("$uname in $udom did not get their password correct when ". |
|
"attempting to change it on $server."); |
|
} elsif ($answer =~ "^auth_mode_error") { |
|
&logthis("$uname in $udom attempted to change their password despite ". |
|
"not being locally or internally authenticated on $server."); |
|
} elsif ($answer =~ "^unknown_user") { |
|
&logthis("$uname in $udom attempted to change their password ". |
|
"on $server but were unable to because $server is not ". |
|
"their home server."); |
|
} elsif ($answer =~ "^refused") { |
|
&logthis("$server refused to change $uname in $udom password because ". |
|
"it was sent an unencrypted request to change the password."); |
|
} |
|
return $answer; |
|
} |
|
|
|
# ----------------------- Try to determine user's current authentication scheme |
|
|
|
sub queryauthenticate { |
|
my ($uname,$udom)=@_; |
|
my $uhome=&homeserver($uname,$udom); |
|
if (!$uhome) { |
|
&logthis("User $uname at $udom is unknown when looking for authentication mechanism"); |
|
return 'no_host'; |
|
} |
|
my $answer=reply("encrypt:currentauth:$udom:$uname",$uhome); |
|
if ($answer =~ /^(unknown_user|refused|con_lost)/) { |
|
&logthis("User $uname at $udom threw error $answer when checking authentication mechanism"); |
|
} |
|
return $answer; |
} |
} |
|
|
# --------- Try to authenticate user from domain's lib servers (first this one) |
# --------- Try to authenticate user from domain's lib servers (first this one) |
|
|
sub authenticate { |
sub authenticate { |
my ($uname,$upass,$udom)=@_; |
my ($uname,$upass,$udom)=@_; |
$upass=escape($upass); |
$upass=&escape($upass); |
if (($perlvar{'lonRole'} eq 'library') && |
$uname= &LONCAPA::clean_username($uname); |
($udom eq $perlvar{'lonDefDomain'})) { |
my $uhome=&homeserver($uname,$udom,1); |
my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'}); |
if ((!$uhome) || ($uhome eq 'no_host')) { |
if ($answer =~ /authorized/) { |
# Maybe the machine was offline and only re-appeared again recently? |
if ($answer eq 'authorized') { |
&reconlonc(); |
&logthis("User $uname at $udom authorized by local server"); |
# One more |
return $perlvar{'lonHostID'}; |
my $uhome=&homeserver($uname,$udom,1); |
} |
if ((!$uhome) || ($uhome eq 'no_host')) { |
if ($answer eq 'non_authorized') { |
&logthis("User $uname at $udom is unknown in authenticate"); |
&logthis("User $uname at $udom rejected by local server"); |
|
return 'no_host'; |
|
} |
|
} |
} |
|
return 'no_host'; |
} |
} |
|
my $answer=reply("encrypt:auth:$udom:$uname:$upass",$uhome); |
my $tryserver; |
if ($answer eq 'authorized') { |
foreach $tryserver (keys %libserv) { |
&logthis("User $uname at $udom authorized by $uhome"); |
if ($hostdom{$tryserver} eq $udom) { |
return $uhome; |
my $answer=reply("encrypt:auth:$udom:$uname:$upass",$tryserver); |
} |
if ($answer =~ /authorized/) { |
if ($answer eq 'non_authorized') { |
if ($answer eq 'authorized') { |
&logthis("User $uname at $udom rejected by $uhome"); |
&logthis("User $uname at $udom authorized by $tryserver"); |
return 'no_host'; |
return $tryserver; |
|
} |
|
if ($answer eq 'non_authorized') { |
|
&logthis("User $uname at $udom rejected by $tryserver"); |
|
return 'no_host'; |
|
} |
|
} |
|
} |
|
} |
} |
&logthis("User $uname at $udom could not be authenticated"); |
&logthis("User $uname at $udom threw error $answer when checking authentication mechanism"); |
return 'no_host'; |
return 'no_host'; |
} |
} |
|
|
# ---------------------- Find the homebase for a user from domain's lib servers |
# ---------------------- Find the homebase for a user from domain's lib servers |
|
|
|
my %homecache; |
sub homeserver { |
sub homeserver { |
my ($uname,$udom)=@_; |
my ($uname,$udom,$ignoreBadCache)=@_; |
|
|
my $index="$uname:$udom"; |
my $index="$uname:$udom"; |
if ($homecache{$index}) { return "$homecache{$index}"; } |
|
|
|
my $tryserver; |
if (exists($homecache{$index})) { return $homecache{$index}; } |
foreach $tryserver (keys %libserv) { |
|
if ($hostdom{$tryserver} eq $udom) { |
my %servers = &get_servers($udom,'library'); |
my $answer=reply("home:$udom:$uname",$tryserver); |
foreach my $tryserver (keys(%servers)) { |
if ($answer eq 'found') { |
next if ($ignoreBadCache ne 'true' && |
$homecache{$index}=$tryserver; |
exists($badServerCache{$tryserver})); |
return $tryserver; |
|
} |
my $answer=reply("home:$udom:$uname",$tryserver); |
} |
if ($answer eq 'found') { |
|
delete($badServerCache{$tryserver}); |
|
return $homecache{$index}=$tryserver; |
|
} elsif ($answer eq 'no_host') { |
|
$badServerCache{$tryserver}=1; |
|
} |
} |
} |
return 'no_host'; |
return 'no_host'; |
} |
} |
Line 453 sub idget {
|
Line 751 sub idget {
|
my ($udom,@ids)=@_; |
my ($udom,@ids)=@_; |
my %returnhash=(); |
my %returnhash=(); |
|
|
my $tryserver; |
my %servers = &get_servers($udom,'library'); |
foreach $tryserver (keys %libserv) { |
foreach my $tryserver (keys(%servers)) { |
if ($hostdom{$tryserver} eq $udom) { |
my $idlist=join('&',@ids); |
my $idlist=join('&',@ids); |
$idlist=~tr/A-Z/a-z/; |
$idlist=~tr/A-Z/a-z/; |
my $reply=&reply("idget:$udom:".$idlist,$tryserver); |
my $reply=&reply("idget:$udom:".$idlist,$tryserver); |
my @answer=(); |
my @answer=(); |
if (($reply ne 'con_lost') && ($reply!~/^error\:/)) { |
if (($reply ne 'con_lost') && ($reply!~/^error\:/)) { |
@answer=split(/\&/,$reply); |
@answer=split(/\&/,$reply); |
} ; |
} ; |
my $i; |
my $i; |
for ($i=0;$i<=$#ids;$i++) { |
for ($i=0;$i<=$#ids;$i++) { |
if ($answer[$i]) { |
if ($answer[$i]) { |
$returnhash{$ids[$i]}=$answer[$i]; |
$returnhash{$ids[$i]}=$answer[$i]; |
} |
} |
} |
} |
} |
} |
|
} |
|
return %returnhash; |
return %returnhash; |
} |
} |
|
|
Line 479 sub idget {
|
Line 775 sub idget {
|
sub idrget { |
sub idrget { |
my ($udom,@unames)=@_; |
my ($udom,@unames)=@_; |
my %returnhash=(); |
my %returnhash=(); |
map { |
foreach my $uname (@unames) { |
$returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; |
$returnhash{$uname}=(&userenvironment($udom,$uname,'id'))[1]; |
} @unames; |
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
Line 490 sub idrget {
|
Line 786 sub idrget {
|
sub idput { |
sub idput { |
my ($udom,%ids)=@_; |
my ($udom,%ids)=@_; |
my %servers=(); |
my %servers=(); |
map { |
foreach my $uname (keys(%ids)) { |
my $uhom=&homeserver($_,$udom); |
&cput('environment',{'id'=>$ids{$uname}},$udom,$uname); |
|
my $uhom=&homeserver($uname,$udom); |
if ($uhom ne 'no_host') { |
if ($uhom ne 'no_host') { |
my $id=&escape($ids{$_}); |
my $id=&escape($ids{$uname}); |
$id=~tr/A-Z/a-z/; |
$id=~tr/A-Z/a-z/; |
my $unam=&escape($_); |
my $esc_unam=&escape($uname); |
if ($servers{$uhom}) { |
if ($servers{$uhom}) { |
$servers{$uhom}.='&'.$id.'='.$unam; |
$servers{$uhom}.='&'.$id.'='.$esc_unam; |
|
} else { |
|
$servers{$uhom}=$id.'='.$esc_unam; |
|
} |
|
} |
|
} |
|
foreach my $server (keys(%servers)) { |
|
&critical('idput:'.$udom.':'.$servers{$server},$server); |
|
} |
|
} |
|
|
|
# ------------------------------------------- get items from domain db files |
|
|
|
sub get_dom { |
|
my ($namespace,$storearr,$udom,$uhome)=@_; |
|
my $items=''; |
|
foreach my $item (@$storearr) { |
|
$items.=&escape($item).'&'; |
|
} |
|
$items=~s/\&$//; |
|
if (!$udom) { |
|
$udom=$env{'user.domain'}; |
|
if (defined(&domain($udom,'primary'))) { |
|
$uhome=&domain($udom,'primary'); |
|
} else { |
|
undef($uhome); |
|
} |
|
} else { |
|
if (!$uhome) { |
|
if (defined(&domain($udom,'primary'))) { |
|
$uhome=&domain($udom,'primary'); |
|
} |
|
} |
|
} |
|
if ($udom && $uhome && ($uhome ne 'no_host')) { |
|
my $rep=&reply("getdom:$udom:$namespace:$items",$uhome); |
|
my %returnhash; |
|
if ($rep eq '' || $rep =~ /^error: 2 /) { |
|
return %returnhash; |
|
} |
|
my @pairs=split(/\&/,$rep); |
|
if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) { |
|
return @pairs; |
|
} |
|
my $i=0; |
|
foreach my $item (@$storearr) { |
|
$returnhash{$item}=&thaw_unescape($pairs[$i]); |
|
$i++; |
|
} |
|
return %returnhash; |
|
} else { |
|
&logthis("get_dom failed - no homeserver and/or domain ($udom) ($uhome)"); |
|
} |
|
} |
|
|
|
# -------------------------------------------- put items in domain db files |
|
|
|
sub put_dom { |
|
my ($namespace,$storehash,$udom,$uhome)=@_; |
|
if (!$udom) { |
|
$udom=$env{'user.domain'}; |
|
if (defined(&domain($udom,'primary'))) { |
|
$uhome=&domain($udom,'primary'); |
|
} else { |
|
undef($uhome); |
|
} |
|
} else { |
|
if (!$uhome) { |
|
if (defined(&domain($udom,'primary'))) { |
|
$uhome=&domain($udom,'primary'); |
|
} |
|
} |
|
} |
|
if ($udom && $uhome && ($uhome ne 'no_host')) { |
|
my $items=''; |
|
foreach my $item (keys(%$storehash)) { |
|
$items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; |
|
} |
|
$items=~s/\&$//; |
|
return &reply("putdom:$udom:$namespace:$items",$uhome); |
|
} else { |
|
&logthis("put_dom failed - no homeserver and/or domain"); |
|
} |
|
} |
|
|
|
sub retrieve_inst_usertypes { |
|
my ($udom) = @_; |
|
my (%returnhash,@order); |
|
if (defined(&domain($udom,'primary'))) { |
|
my $uhome=&domain($udom,'primary'); |
|
my $rep=&reply("inst_usertypes:$udom",$uhome); |
|
my ($hashitems,$orderitems) = split(/:/,$rep); |
|
my @pairs=split(/\&/,$hashitems); |
|
foreach my $item (@pairs) { |
|
my ($key,$value)=split(/=/,$item,2); |
|
$key = &unescape($key); |
|
next if ($key =~ /^error: 2 /); |
|
$returnhash{$key}=&thaw_unescape($value); |
|
} |
|
my @esc_order = split(/\&/,$orderitems); |
|
foreach my $item (@esc_order) { |
|
push(@order,&unescape($item)); |
|
} |
|
} else { |
|
&logthis("get_dom failed - no primary domain server for $udom"); |
|
} |
|
return (\%returnhash,\@order); |
|
} |
|
|
|
sub is_domainimage { |
|
my ($url) = @_; |
|
if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+-) { |
|
if (&domain($1) ne '') { |
|
return '1'; |
|
} |
|
} |
|
return; |
|
} |
|
|
|
sub inst_directory_query { |
|
my ($srch) = @_; |
|
my $udom = $srch->{'srchdomain'}; |
|
my %results; |
|
my $homeserver = &domain($udom,'primary'); |
|
my $outcome; |
|
if ($homeserver ne '') { |
|
my $queryid=&reply("querysend:instdirsearch:". |
|
&escape($srch->{'srchby'}).':'. |
|
&escape($srch->{'srchterm'}).':'. |
|
&escape($srch->{'srchtype'}),$homeserver); |
|
my $host=&hostname($homeserver); |
|
if ($queryid !~/^\Q$host\E\_/) { |
|
&logthis('instituional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom); |
|
return; |
|
} |
|
my $response = &get_query_reply($queryid); |
|
my $maxtries = 5; |
|
my $tries = 1; |
|
while (($response=~/^timeout/) && ($tries < $maxtries)) { |
|
$response = &get_query_reply($queryid); |
|
$tries ++; |
|
} |
|
|
|
if (!&error($response) && $response ne 'refused') { |
|
if ($response eq 'unavailable') { |
|
$outcome = $response; |
|
} else { |
|
$outcome = 'ok'; |
|
my @matches = split(/\n/,$response); |
|
foreach my $match (@matches) { |
|
my ($key,$value) = split(/=/,$match); |
|
$results{&unescape($key).':'.$udom} = &thaw_unescape($value); |
|
} |
|
} |
|
} |
|
} |
|
return ($outcome,%results); |
|
} |
|
|
|
sub usersearch { |
|
my ($srch) = @_; |
|
my $dom = $srch->{'srchdomain'}; |
|
my %results; |
|
my %libserv = &all_library(); |
|
my $query = 'usersearch'; |
|
foreach my $tryserver (keys(%libserv)) { |
|
if (&host_domain($tryserver) eq $dom) { |
|
my $host=&hostname($tryserver); |
|
my $queryid= |
|
&reply("querysend:".&escape($query).':'. |
|
&escape($srch->{'srchby'}).':'. |
|
&escape($srch->{'srchtype'}).':'. |
|
&escape($srch->{'srchterm'}),$tryserver); |
|
if ($queryid !~/^\Q$host\E\_/) { |
|
&logthis('usersearch: invalid queryid: '.$queryid.' for host: '.$host.'in domain '.$dom.' and server: '.$tryserver); |
|
next; |
|
} |
|
my $reply = &get_query_reply($queryid); |
|
my $maxtries = 1; |
|
my $tries = 1; |
|
while (($reply=~/^timeout/) && ($tries < $maxtries)) { |
|
$reply = &get_query_reply($queryid); |
|
$tries ++; |
|
} |
|
if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { |
|
&logthis('usersrch error: '.$reply.' for '.$dom.' - searching for : '.$srch->{'srchterm'}.' by '.$srch->{'srchby'}.' ('.$srch->{'srchtype'}.') - maxtries: '.$maxtries.' tries: '.$tries); |
} else { |
} else { |
$servers{$uhom}=$id.'='.$unam; |
my @matches; |
|
if ($reply =~ /\n/) { |
|
@matches = split(/\n/,$reply); |
|
} else { |
|
@matches = split(/\&/,$reply); |
|
} |
|
foreach my $match (@matches) { |
|
my ($uname,$udom,%userhash); |
|
foreach my $entry (split(/:/,$match)) { |
|
my ($key,$value) = |
|
map {&unescape($_);} split(/=/,$entry); |
|
$userhash{$key} = $value; |
|
if ($key eq 'username') { |
|
$uname = $value; |
|
} elsif ($key eq 'domain') { |
|
$udom = $value; |
|
} |
|
} |
|
$results{$uname.':'.$udom} = \%userhash; |
|
} |
|
} |
|
} |
|
} |
|
return %results; |
|
} |
|
|
|
sub get_instuser { |
|
my ($udom,$uname,$id) = @_; |
|
my $homeserver = &domain($udom,'primary'); |
|
my ($outcome,%results); |
|
if ($homeserver ne '') { |
|
my $queryid=&reply("querysend:getinstuser:".&escape($uname).':'. |
|
&escape($id).':'.&escape($udom),$homeserver); |
|
my $host=&hostname($homeserver); |
|
if ($queryid !~/^\Q$host\E\_/) { |
|
&logthis('get_instuser invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom); |
|
return; |
|
} |
|
my $response = &get_query_reply($queryid); |
|
my $maxtries = 5; |
|
my $tries = 1; |
|
while (($response=~/^timeout/) && ($tries < $maxtries)) { |
|
$response = &get_query_reply($queryid); |
|
$tries ++; |
|
} |
|
if (!&error($response) && $response ne 'refused') { |
|
if ($response eq 'unavailable') { |
|
$outcome = $response; |
|
} else { |
|
$outcome = 'ok'; |
|
my @matches = split(/\n/,$response); |
|
foreach my $match (@matches) { |
|
my ($key,$value) = split(/=/,$match); |
|
$results{&unescape($key)} = &thaw_unescape($value); |
|
} |
|
} |
|
} |
|
} |
|
my %userinfo; |
|
if (ref($results{$uname}) eq 'HASH') { |
|
%userinfo = %{$results{$uname}}; |
|
} |
|
return ($outcome,%userinfo); |
|
} |
|
|
|
sub inst_rulecheck { |
|
my ($udom,$uname,$id,$item,$rules) = @_; |
|
my %returnhash; |
|
if ($udom ne '') { |
|
if (ref($rules) eq 'ARRAY') { |
|
@{$rules} = map {&escape($_);} (@{$rules}); |
|
my $rulestr = join(':',@{$rules}); |
|
my $homeserver=&domain($udom,'primary'); |
|
if (($homeserver ne '') && ($homeserver ne 'no_host')) { |
|
my $response; |
|
if ($item eq 'username') { |
|
$response=&unescape(&reply('instrulecheck:'.&escape($udom). |
|
':'.&escape($uname).':'.$rulestr, |
|
$homeserver)); |
|
} elsif ($item eq 'id') { |
|
$response=&unescape(&reply('instidrulecheck:'.&escape($udom). |
|
':'.&escape($id).':'.$rulestr, |
|
$homeserver)); |
|
} |
|
if ($response ne 'refused') { |
|
my @pairs=split(/\&/,$response); |
|
foreach my $item (@pairs) { |
|
my ($key,$value)=split(/=/,$item,2); |
|
$key = &unescape($key); |
|
next if ($key =~ /^error: 2 /); |
|
$returnhash{$key}=&thaw_unescape($value); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return %returnhash; |
|
} |
|
|
|
sub inst_userrules { |
|
my ($udom,$check) = @_; |
|
my (%ruleshash,@ruleorder); |
|
if ($udom ne '') { |
|
my $homeserver=&domain($udom,'primary'); |
|
if (($homeserver ne '') && ($homeserver ne 'no_host')) { |
|
my $response; |
|
if ($check eq 'id') { |
|
$response=&reply('instidrules:'.&escape($udom), |
|
$homeserver); |
|
} else { |
|
$response=&reply('instuserrules:'.&escape($udom), |
|
$homeserver); |
|
} |
|
if (($response ne 'refused') && ($response ne 'error') && |
|
($response ne 'unknown_cmd') && |
|
($response ne 'no_such_host')) { |
|
my ($hashitems,$orderitems) = split(/:/,$response); |
|
my @pairs=split(/\&/,$hashitems); |
|
foreach my $item (@pairs) { |
|
my ($key,$value)=split(/=/,$item,2); |
|
$key = &unescape($key); |
|
next if ($key =~ /^error: 2 /); |
|
$ruleshash{$key}=&thaw_unescape($value); |
|
} |
|
my @esc_order = split(/\&/,$orderitems); |
|
foreach my $item (@esc_order) { |
|
push(@ruleorder,&unescape($item)); |
|
} |
} |
} |
&critical('put:'.$udom.':'.$unam.':environment:id='.$id,$uhom); |
|
} |
} |
} keys %ids; |
} |
map { |
return (\%ruleshash,\@ruleorder); |
&critical('idput:'.$udom.':'.$servers{$_},$_); |
} |
} keys %servers; |
|
|
# --------------------------------------------------- Assign a key to a student |
|
|
|
sub assign_access_key { |
|
# |
|
# a valid key looks like uname:udom#comments |
|
# comments are being appended |
|
# |
|
my ($ckey,$kdom,$knum,$cdom,$cnum,$udom,$uname,$logentry)=@_; |
|
$kdom= |
|
$env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($kdom)); |
|
$knum= |
|
$env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($knum)); |
|
$cdom= |
|
$env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); |
|
$cnum= |
|
$env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); |
|
$udom=$env{'user.name'} unless (defined($udom)); |
|
$uname=$env{'user.domain'} unless (defined($uname)); |
|
my %existing=&get('accesskeys',[$ckey],$kdom,$knum); |
|
if (($existing{$ckey}=~/^\#(.*)$/) || # - new key |
|
($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#(.*)$/)) { |
|
# assigned to this person |
|
# - this should not happen, |
|
# unless something went wrong |
|
# the first time around |
|
# ready to assign |
|
$logentry=$1.'; '.$logentry; |
|
if (&put('accesskeys',{$ckey=>$uname.':'.$udom.'#'.$logentry}, |
|
$kdom,$knum) eq 'ok') { |
|
# key now belongs to user |
|
my $envkey='key.'.$cdom.'_'.$cnum; |
|
if (&put('environment',{$envkey => $ckey}) eq 'ok') { |
|
&appenv('environment.'.$envkey => $ckey); |
|
return 'ok'; |
|
} else { |
|
return |
|
'error: Count not permanently assign key, will need to be re-entered later.'; |
|
} |
|
} else { |
|
return 'error: Could not assign key, try again later.'; |
|
} |
|
} elsif (!$existing{$ckey}) { |
|
# the key does not exist |
|
return 'error: The key does not exist'; |
|
} else { |
|
# the key is somebody else's |
|
return 'error: The key is already in use'; |
|
} |
|
} |
|
|
|
# ------------------------------------------ put an additional comment on a key |
|
|
|
sub comment_access_key { |
|
# |
|
# a valid key looks like uname:udom#comments |
|
# comments are being appended |
|
# |
|
my ($ckey,$cdom,$cnum,$logentry)=@_; |
|
$cdom= |
|
$env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); |
|
$cnum= |
|
$env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); |
|
my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); |
|
if ($existing{$ckey}) { |
|
$existing{$ckey}.='; '.$logentry; |
|
# ready to assign |
|
if (&put('accesskeys',{$ckey=>$existing{$ckey}}, |
|
$cdom,$cnum) eq 'ok') { |
|
return 'ok'; |
|
} else { |
|
return 'error: Count not store comment.'; |
|
} |
|
} else { |
|
# the key does not exist |
|
return 'error: The key does not exist'; |
|
} |
|
} |
|
|
|
# ------------------------------------------------------ Generate a set of keys |
|
|
|
sub generate_access_keys { |
|
my ($number,$cdom,$cnum,$logentry)=@_; |
|
$cdom= |
|
$env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); |
|
$cnum= |
|
$env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); |
|
unless (&allowed('mky',$cdom)) { return 0; } |
|
unless (($cdom) && ($cnum)) { return 0; } |
|
if ($number>10000) { return 0; } |
|
sleep(2); # make sure don't get same seed twice |
|
srand(time()^($$+($$<<15))); # from "Programming Perl" |
|
my $total=0; |
|
for (my $i=1;$i<=$number;$i++) { |
|
my $newkey=sprintf("%lx",int(100000*rand)).'-'. |
|
sprintf("%lx",int(100000*rand)).'-'. |
|
sprintf("%lx",int(100000*rand)); |
|
$newkey=~s/1/g/g; # folks mix up 1 and l |
|
$newkey=~s/0/h/g; # and also 0 and O |
|
my %existing=&get('accesskeys',[$newkey],$cdom,$cnum); |
|
if ($existing{$newkey}) { |
|
$i--; |
|
} else { |
|
if (&put('accesskeys', |
|
{ $newkey => '# generated '.localtime(). |
|
' by '.$env{'user.name'}.'@'.$env{'user.domain'}. |
|
'; '.$logentry }, |
|
$cdom,$cnum) eq 'ok') { |
|
$total++; |
|
} |
|
} |
|
} |
|
&log($env{'user.domain'},$env{'user.name'},$env{'user.home'}, |
|
'Generated '.$total.' keys for '.$cnum.' at '.$cdom); |
|
return $total; |
|
} |
|
|
|
# ------------------------------------------------------- Validate an accesskey |
|
|
|
sub validate_access_key { |
|
my ($ckey,$cdom,$cnum,$udom,$uname)=@_; |
|
$cdom= |
|
$env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); |
|
$cnum= |
|
$env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); |
|
$udom=$env{'user.domain'} unless (defined($udom)); |
|
$uname=$env{'user.name'} unless (defined($uname)); |
|
my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); |
|
return ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#/); |
} |
} |
|
|
# ------------------------------------- Find the section of student in a course |
# ------------------------------------- Find the section of student in a course |
|
sub devalidate_getsection_cache { |
|
my ($udom,$unam,$courseid)=@_; |
|
my $hashid="$udom:$unam:$courseid"; |
|
&devalidate_cache_new('getsection',$hashid); |
|
} |
|
|
|
sub courseid_to_courseurl { |
|
my ($courseid) = @_; |
|
#already url style courseid |
|
return $courseid if ($courseid =~ m{^/}); |
|
|
sub usection { |
if (exists($env{'course.'.$courseid.'.num'})) { |
|
my $cnum = $env{'course.'.$courseid.'.num'}; |
|
my $cdom = $env{'course.'.$courseid.'.domain'}; |
|
return "/$cdom/$cnum"; |
|
} |
|
|
|
my %courseinfo=&Apache::lonnet::coursedescription($courseid); |
|
if (exists($courseinfo{'num'})) { |
|
return "/$courseinfo{'domain'}/$courseinfo{'num'}"; |
|
} |
|
|
|
return undef; |
|
} |
|
|
|
sub getsection { |
my ($udom,$unam,$courseid)=@_; |
my ($udom,$unam,$courseid)=@_; |
$courseid=~s/\_/\//g; |
my $cachetime=1800; |
$courseid=~s/^(\w)/\/$1/; |
|
map { |
my $hashid="$udom:$unam:$courseid"; |
my ($key,$value)=split(/\=/,$_); |
my ($result,$cached)=&is_cached_new('getsection',$hashid); |
$key=&unescape($key); |
if (defined($cached)) { return $result; } |
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
|
my $section=$1; |
my %Pending; |
if ($key eq $courseid.'_st') { $section=''; } |
my %Expired; |
my ($dummy,$end,$start)=split(/\_/,&unescape($value)); |
# |
my $now=time; |
# Each role can either have not started yet (pending), be active, |
my $notactive=0; |
# or have expired. |
if ($start) { |
# |
if ($now<$start) { $notactive=1; } |
# If there is an active role, we are done. |
} |
# |
if ($end) { |
# If there is more than one role which has not started yet, |
if ($now>$end) { $notactive=1; } |
# choose the one which will start sooner |
} |
# If there is one role which has not started yet, return it. |
unless ($notactive) { return $section; } |
# |
|
# If there is more than one expired role, choose the one which ended last. |
|
# If there is a role which has expired, return it. |
|
# |
|
$courseid = &courseid_to_courseurl($courseid); |
|
my %roleshash = &dump('roles',$udom,$unam,$courseid); |
|
foreach my $key (keys(%roleshash)) { |
|
next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/); |
|
my $section=$1; |
|
if ($key eq $courseid.'_st') { $section=''; } |
|
my ($dummy,$end,$start)=split(/\_/,&unescape($roleshash{$key})); |
|
my $now=time; |
|
if (defined($end) && $end && ($now > $end)) { |
|
$Expired{$end}=$section; |
|
next; |
} |
} |
} split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', |
if (defined($start) && $start && ($now < $start)) { |
&homeserver($unam,$udom))); |
$Pending{$start}=$section; |
return '-1'; |
next; |
|
} |
|
return &do_cache_new('getsection',$hashid,$section,$cachetime); |
|
} |
|
# |
|
# Presumedly there will be few matching roles from the above |
|
# loop and the sorting time will be negligible. |
|
if (scalar(keys(%Pending))) { |
|
my ($time) = sort {$a <=> $b} keys(%Pending); |
|
return &do_cache_new('getsection',$hashid,$Pending{$time},$cachetime); |
|
} |
|
if (scalar(keys(%Expired))) { |
|
my @sorted = sort {$a <=> $b} keys(%Expired); |
|
my $time = pop(@sorted); |
|
return &do_cache_new('getsection',$hashid,$Expired{$time},$cachetime); |
|
} |
|
return &do_cache_new('getsection',$hashid,'-1',$cachetime); |
|
} |
|
|
|
sub save_cache { |
|
&purge_remembered(); |
|
#&Apache::loncommon::validate_page(); |
|
undef(%env); |
|
undef($env_loaded); |
|
} |
|
|
|
my $to_remember=-1; |
|
my %remembered; |
|
my %accessed; |
|
my $kicks=0; |
|
my $hits=0; |
|
sub make_key { |
|
my ($name,$id) = @_; |
|
if (length($id) > 65 |
|
&& length(&escape($id)) > 200) { |
|
$id=length($id).':'.&Digest::MD5::md5_hex($id); |
|
} |
|
return &escape($name.':'.$id); |
|
} |
|
|
|
sub devalidate_cache_new { |
|
my ($name,$id,$debug) = @_; |
|
if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); } |
|
$id=&make_key($name,$id); |
|
$memcache->delete($id); |
|
delete($remembered{$id}); |
|
delete($accessed{$id}); |
|
} |
|
|
|
sub is_cached_new { |
|
my ($name,$id,$debug) = @_; |
|
$id=&make_key($name,$id); |
|
if (exists($remembered{$id})) { |
|
if ($debug) { &Apache::lonnet::logthis("Earyl return $id of $remembered{$id} "); } |
|
$accessed{$id}=[&gettimeofday()]; |
|
$hits++; |
|
return ($remembered{$id},1); |
|
} |
|
my $value = $memcache->get($id); |
|
if (!(defined($value))) { |
|
if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); } |
|
return (undef,undef); |
|
} |
|
if ($value eq '__undef__') { |
|
if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); } |
|
$value=undef; |
|
} |
|
&make_room($id,$value,$debug); |
|
if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); } |
|
return ($value,1); |
|
} |
|
|
|
sub do_cache_new { |
|
my ($name,$id,$value,$time,$debug) = @_; |
|
$id=&make_key($name,$id); |
|
my $setvalue=$value; |
|
if (!defined($setvalue)) { |
|
$setvalue='__undef__'; |
|
} |
|
if (!defined($time) ) { |
|
$time=600; |
|
} |
|
if ($debug) { &Apache::lonnet::logthis("Setting $id to $value"); } |
|
my $result = $memcache->set($id,$setvalue,$time); |
|
if (! $result) { |
|
&logthis("caching of id -> $id failed"); |
|
$memcache->disconnect_all(); |
|
} |
|
# need to make a copy of $value |
|
&make_room($id,$value,$debug); |
|
return $value; |
|
} |
|
|
|
sub make_room { |
|
my ($id,$value,$debug)=@_; |
|
|
|
$remembered{$id}= (ref($value)) ? &Storable::dclone($value) |
|
: $value; |
|
if ($to_remember<0) { return; } |
|
$accessed{$id}=[&gettimeofday()]; |
|
if (scalar(keys(%remembered)) <= $to_remember) { return; } |
|
my $to_kick; |
|
my $max_time=0; |
|
foreach my $other (keys(%accessed)) { |
|
if (&tv_interval($accessed{$other}) > $max_time) { |
|
$to_kick=$other; |
|
$max_time=&tv_interval($accessed{$other}); |
|
} |
|
} |
|
delete($remembered{$to_kick}); |
|
delete($accessed{$to_kick}); |
|
$kicks++; |
|
if ($debug) { &logthis("kicking $to_kick $max_time $kicks\n"); } |
|
return; |
} |
} |
|
|
|
sub purge_remembered { |
|
#&logthis("Tossing ".scalar(keys(%remembered))); |
|
#&logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered)))); |
|
undef(%remembered); |
|
undef(%accessed); |
|
} |
# ------------------------------------- Read an entry from a user's environment |
# ------------------------------------- Read an entry from a user's environment |
|
|
sub userenvironment { |
sub userenvironment { |
Line 552 sub userenvironment {
|
Line 1445 sub userenvironment {
|
return %returnhash; |
return %returnhash; |
} |
} |
|
|
|
# ---------------------------------------------------------- Get a studentphoto |
|
sub studentphoto { |
|
my ($udom,$unam,$ext) = @_; |
|
my $home=&Apache::lonnet::homeserver($unam,$udom); |
|
if (defined($env{'request.course.id'})) { |
|
if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) { |
|
if ($udom eq $env{'course.'.$env{'request.course.id'}.'.domain'}) { |
|
return(&retrievestudentphoto($udom,$unam,$ext)); |
|
} else { |
|
my ($result,$perm_reqd)= |
|
&Apache::lonnet::auto_photo_permission($unam,$udom); |
|
if ($result eq 'ok') { |
|
if (!($perm_reqd eq 'yes')) { |
|
return(&retrievestudentphoto($udom,$unam,$ext)); |
|
} |
|
} |
|
} |
|
} |
|
} else { |
|
my ($result,$perm_reqd) = |
|
&Apache::lonnet::auto_photo_permission($unam,$udom); |
|
if ($result eq 'ok') { |
|
if (!($perm_reqd eq 'yes')) { |
|
return(&retrievestudentphoto($udom,$unam,$ext)); |
|
} |
|
} |
|
} |
|
return '/adm/lonKaputt/lonlogo_broken.gif'; |
|
} |
|
|
|
sub retrievestudentphoto { |
|
my ($udom,$unam,$ext,$type) = @_; |
|
my $home=&Apache::lonnet::homeserver($unam,$udom); |
|
my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext:$type",$home); |
|
if ($ret eq 'ok') { |
|
my $url="/uploaded/$udom/$unam/internal/studentphoto.$ext"; |
|
if ($type eq 'thumbnail') { |
|
$url="/uploaded/$udom/$unam/internal/studentphoto_tn.$ext"; |
|
} |
|
my $tokenurl=&Apache::lonnet::tokenwrapper($url); |
|
return $tokenurl; |
|
} else { |
|
if ($type eq 'thumbnail') { |
|
return '/adm/lonKaputt/genericstudent_tn.gif'; |
|
} else { |
|
return '/adm/lonKaputt/lonlogo_broken.gif'; |
|
} |
|
} |
|
} |
|
|
|
# -------------------------------------------------------------------- New chat |
|
|
|
sub chatsend { |
|
my ($newentry,$anon,$group)=@_; |
|
my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; |
|
my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; |
|
my $chome=$env{'course.'.$env{'request.course.id'}.'.home'}; |
|
&reply('chatsend:'.$cdom.':'.$cnum.':'. |
|
&escape($env{'user.domain'}.':'.$env{'user.name'}.':'.$anon.':'. |
|
&escape($newentry)).':'.$group,$chome); |
|
} |
|
|
|
# ------------------------------------------ Find current version of a resource |
|
|
|
sub getversion { |
|
my $fname=&clutter(shift); |
|
unless ($fname=~/^\/res\//) { return -1; } |
|
return ¤tversion(&filelocation('',$fname)); |
|
} |
|
|
|
sub currentversion { |
|
my $fname=shift; |
|
my ($result,$cached)=&is_cached_new('resversion',$fname); |
|
if (defined($cached)) { return $result; } |
|
my $author=$fname; |
|
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
|
my ($udom,$uname)=split(/\//,$author); |
|
my $home=homeserver($uname,$udom); |
|
if ($home eq 'no_host') { |
|
return -1; |
|
} |
|
my $answer=reply("currentversion:$fname",$home); |
|
if (($answer eq 'con_lost') || ($answer eq 'rejected')) { |
|
return -1; |
|
} |
|
return &do_cache_new('resversion',$fname,$answer,600); |
|
} |
|
|
# ----------------------------- Subscribe to a resource, return URL if possible |
# ----------------------------- Subscribe to a resource, return URL if possible |
|
|
sub subscribe { |
sub subscribe { |
my $fname=shift; |
my $fname=shift; |
|
if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return ''; } |
|
$fname=~s/[\n\r]//g; |
my $author=$fname; |
my $author=$fname; |
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
my ($udom,$uname)=split(/\//,$author); |
my ($udom,$uname)=split(/\//,$author); |
my $home=homeserver($uname,$udom); |
my $home=homeserver($uname,$udom); |
if (($home eq 'no_host') || ($home eq $perlvar{'lonHostID'})) { |
if ($home eq 'no_host') { |
return 'not_found'; |
return 'not_found'; |
} |
} |
my $answer=reply("sub:$fname",$home); |
my $answer=reply("sub:$fname",$home); |
if (($answer eq 'con_lost') || ($answer eq 'rejected')) { |
if (($answer eq 'con_lost') || ($answer eq 'rejected')) { |
Line 575 sub subscribe {
|
Line 1558 sub subscribe {
|
sub repcopy { |
sub repcopy { |
my $filename=shift; |
my $filename=shift; |
$filename=~s/\/+/\//g; |
$filename=~s/\/+/\//g; |
|
if ($filename=~m|^/home/httpd/html/adm/|) { return 'ok'; } |
|
if ($filename=~m|^/home/httpd/html/lonUsers/|) { return 'ok'; } |
|
if ($filename=~m|^/home/httpd/html/userfiles/| or |
|
$filename=~m -^/*(uploaded|editupload)/-) { |
|
return &repcopy_userfile($filename); |
|
} |
|
$filename=~s/[\n\r]//g; |
my $transname="$filename.in.transfer"; |
my $transname="$filename.in.transfer"; |
if ((-e $filename) || (-e $transname)) { return OK; } |
# FIXME: this should flock |
|
if ((-e $filename) || (-e $transname)) { return 'ok'; } |
my $remoteurl=subscribe($filename); |
my $remoteurl=subscribe($filename); |
if ($remoteurl =~ /^con_lost by/) { |
if ($remoteurl =~ /^con_lost by/) { |
&logthis("Subscribe returned $remoteurl: $filename"); |
&logthis("Subscribe returned $remoteurl: $filename"); |
return HTTP_SERVICE_UNAVAILABLE; |
return 'unavailable'; |
} elsif ($remoteurl eq 'not_found') { |
} elsif ($remoteurl eq 'not_found') { |
&logthis("Subscribe returned not_found: $filename"); |
#&logthis("Subscribe returned not_found: $filename"); |
return HTTP_NOT_FOUND; |
return 'not_found'; |
} elsif ($remoteurl =~ /^rejected by/) { |
} elsif ($remoteurl =~ /^rejected by/) { |
&logthis("Subscribe returned $remoteurl: $filename"); |
&logthis("Subscribe returned $remoteurl: $filename"); |
return FORBIDDEN; |
return 'forbidden'; |
} elsif ($remoteurl eq 'directory') { |
} elsif ($remoteurl eq 'directory') { |
return OK; |
return 'ok'; |
} else { |
} else { |
|
my $author=$filename; |
|
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
|
my ($udom,$uname)=split(/\//,$author); |
|
my $home=homeserver($uname,$udom); |
|
unless ($home eq $perlvar{'lonHostID'}) { |
my @parts=split(/\//,$filename); |
my @parts=split(/\//,$filename); |
my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; |
my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; |
if ($path ne "$perlvar{'lonDocRoot'}/res") { |
if ($path ne "$perlvar{'lonDocRoot'}/res") { |
&logthis("Malconfiguration for replication: $filename"); |
&logthis("Malconfiguration for replication: $filename"); |
return HTTP_BAD_REQUEST; |
return 'bad_request'; |
} |
} |
my $count; |
my $count; |
for ($count=5;$count<$#parts;$count++) { |
for ($count=5;$count<$#parts;$count++) { |
Line 609 sub repcopy {
|
Line 1605 sub repcopy {
|
if ($response->is_error()) { |
if ($response->is_error()) { |
unlink($transname); |
unlink($transname); |
my $message=$response->status_line; |
my $message=$response->status_line; |
&logthis("<font color=blue>WARNING:" |
&logthis("<font color=\"blue\">WARNING:" |
." LWP get: $message: $filename</font>"); |
." LWP get: $message: $filename</font>"); |
return HTTP_SERVICE_UNAVAILABLE; |
return 'unavailable'; |
} else { |
} else { |
if ($remoteurl!~/\.meta$/) { |
if ($remoteurl!~/\.meta$/) { |
my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta'); |
my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta'); |
Line 619 sub repcopy {
|
Line 1615 sub repcopy {
|
if ($mresponse->is_error()) { |
if ($mresponse->is_error()) { |
unlink($filename.'.meta'); |
unlink($filename.'.meta'); |
&logthis( |
&logthis( |
"<font color=yellow>INFO: No metadata: $filename</font>"); |
"<font color=\"yellow\">INFO: No metadata: $filename</font>"); |
} |
} |
} |
} |
rename($transname,$filename); |
rename($transname,$filename); |
return OK; |
return 'ok'; |
} |
} |
|
} |
} |
} |
} |
} |
|
|
|
# ------------------------------------------------ Get server side include body |
|
sub ssi_body { |
|
my ($filelink,%form)=@_; |
|
if (! exists($form{'LONCAPA_INTERNAL_no_discussion'})) { |
|
$form{'LONCAPA_INTERNAL_no_discussion'}='true'; |
|
} |
|
my $output=($filelink=~/^http\:/?&externalssi($filelink): |
|
&ssi($filelink,%form)); |
|
$output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs; |
|
$output=~s/^.*?\<body[^\>]*\>//si; |
|
$output=~s/\<\/body\s*\>.*?$//si; |
|
return $output; |
|
} |
|
|
# --------------------------------------------------------- Server Side Include |
# --------------------------------------------------------- Server Side Include |
|
|
|
sub absolute_url { |
|
my ($host_name) = @_; |
|
my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://'); |
|
if ($host_name eq '') { |
|
$host_name = $ENV{'SERVER_NAME'}; |
|
} |
|
return $protocol.$host_name; |
|
} |
|
|
sub ssi { |
sub ssi { |
|
|
my ($fn,%form)=@_; |
my ($fn,%form)=@_; |
Line 637 sub ssi {
|
Line 1657 sub ssi {
|
my $ua=new LWP::UserAgent; |
my $ua=new LWP::UserAgent; |
|
|
my $request; |
my $request; |
|
|
|
$form{'no_update_last_known'}=1; |
|
&Apache::lonenc::check_encrypt(\$fn); |
if (%form) { |
if (%form) { |
$request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn); |
$request=new HTTP::Request('POST',&absolute_url().$fn); |
$request->content(join '&', map { "$_=$form{$_}" } keys %form); |
$request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form)); |
} else { |
} else { |
$request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn); |
$request=new HTTP::Request('GET',&absolute_url().$fn); |
} |
} |
|
|
$request->header(Cookie => $ENV{'HTTP_COOKIE'}); |
$request->header(Cookie => $ENV{'HTTP_COOKIE'}); |
Line 651 sub ssi {
|
Line 1673 sub ssi {
|
return $response->content; |
return $response->content; |
} |
} |
|
|
|
sub externalssi { |
|
my ($url)=@_; |
|
my $ua=new LWP::UserAgent; |
|
my $request=new HTTP::Request('GET',$url); |
|
my $response=$ua->request($request); |
|
return $response->content; |
|
} |
|
|
|
# -------------------------------- Allow a /uploaded/ URI to be vouched for |
|
|
|
sub allowuploaded { |
|
my ($srcurl,$url)=@_; |
|
$url=&clutter(&declutter($url)); |
|
my $dir=$url; |
|
$dir=~s/\/[^\/]+$//; |
|
my %httpref=(); |
|
my $httpurl=&hreflocation('',$url); |
|
$httpref{'httpref.'.$httpurl}=$srcurl; |
|
&Apache::lonnet::appenv(%httpref); |
|
} |
|
|
|
# --------- File operations in /home/httpd/html/userfiles/$domain/1/2/3/$course |
|
# input: action, courseID, current domain, intended |
|
# path to file, source of file, instruction to parse file for objects, |
|
# ref to hash for embedded objects, |
|
# ref to hash for codebase of java objects. |
|
# |
|
# output: url to file (if action was uploaddoc), |
|
# ok if successful, or diagnostic message otherwise (if action was propagate or copy) |
|
# |
|
# Allows directory structure to be used within lonUsers/../userfiles/ for a |
|
# course. |
|
# |
|
# action = propagate - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file |
|
# will be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles in |
|
# course's home server. |
|
# |
|
# action = copy - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file will |
|
# be copied from $source (current location) to |
|
# /home/httpd/html/userfiles/$domain/1/2/3/$course/$file |
|
# and will then be copied to |
|
# /home/httpd/lonUsers/$domain/1/2/3/$course/userfiles/$file in |
|
# course's home server. |
|
# |
|
# action = uploaddoc - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file |
|
# will be retrived from $env{form.uploaddoc} (from DOCS interface) to |
|
# /home/httpd/html/userfiles/$domain/1/2/3/$course/$file |
|
# and will then be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles/$file |
|
# in course's home server. |
|
# |
|
|
|
sub process_coursefile { |
|
my ($action,$docuname,$docudom,$file,$source,$parser,$allfiles,$codebase)=@_; |
|
my $fetchresult; |
|
my $home=&homeserver($docuname,$docudom); |
|
if ($action eq 'propagate') { |
|
$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, |
|
$home); |
|
} else { |
|
my $fpath = ''; |
|
my $fname = $file; |
|
($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|); |
|
$fpath=$docudom.'/'.$docuname.'/'.$fpath; |
|
my $filepath = &build_filepath($fpath); |
|
if ($action eq 'copy') { |
|
if ($source eq '') { |
|
$fetchresult = 'no source file'; |
|
return $fetchresult; |
|
} else { |
|
my $destination = $filepath.'/'.$fname; |
|
rename($source,$destination); |
|
$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, |
|
$home); |
|
} |
|
} elsif ($action eq 'uploaddoc') { |
|
open(my $fh,'>'.$filepath.'/'.$fname); |
|
print $fh $env{'form.'.$source}; |
|
close($fh); |
|
if ($parser eq 'parse') { |
|
my $parse_result = &extract_embedded_items($filepath,$fname,$allfiles,$codebase); |
|
unless ($parse_result eq 'ok') { |
|
&logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result); |
|
} |
|
} |
|
$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, |
|
$home); |
|
if ($fetchresult eq 'ok') { |
|
return '/uploaded/'.$fpath.'/'.$fname; |
|
} else { |
|
&logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. |
|
' to host '.$home.': '.$fetchresult); |
|
return '/adm/notfound.html'; |
|
} |
|
} |
|
} |
|
unless ( $fetchresult eq 'ok') { |
|
&logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. |
|
' to host '.$home.': '.$fetchresult); |
|
} |
|
return $fetchresult; |
|
} |
|
|
|
sub build_filepath { |
|
my ($fpath) = @_; |
|
my $filepath=$perlvar{'lonDocRoot'}.'/userfiles'; |
|
unless ($fpath eq '') { |
|
my @parts=split('/',$fpath); |
|
foreach my $part (@parts) { |
|
$filepath.= '/'.$part; |
|
if ((-e $filepath)!=1) { |
|
mkdir($filepath,0777); |
|
} |
|
} |
|
} |
|
return $filepath; |
|
} |
|
|
|
sub store_edited_file { |
|
my ($primary_url,$content,$docudom,$docuname,$fetchresult) = @_; |
|
my $file = $primary_url; |
|
$file =~ s#^/uploaded/$docudom/$docuname/##; |
|
my $fpath = ''; |
|
my $fname = $file; |
|
($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|); |
|
$fpath=$docudom.'/'.$docuname.'/'.$fpath; |
|
my $filepath = &build_filepath($fpath); |
|
open(my $fh,'>'.$filepath.'/'.$fname); |
|
print $fh $content; |
|
close($fh); |
|
my $home=&homeserver($docuname,$docudom); |
|
$$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, |
|
$home); |
|
if ($$fetchresult eq 'ok') { |
|
return '/uploaded/'.$fpath.'/'.$fname; |
|
} else { |
|
&logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. |
|
' to host '.$home.': '.$$fetchresult); |
|
return '/adm/notfound.html'; |
|
} |
|
} |
|
|
|
sub clean_filename { |
|
my ($fname,$args)=@_; |
|
# Replace Windows backslashes by forward slashes |
|
$fname=~s/\\/\//g; |
|
if (!$args->{'keep_path'}) { |
|
# Get rid of everything but the actual filename |
|
$fname=~s/^.*\/([^\/]+)$/$1/; |
|
} |
|
# Replace spaces by underscores |
|
$fname=~s/\s+/\_/g; |
|
# Replace all other weird characters by nothing |
|
$fname=~s{[^/\w\.\-]}{}g; |
|
# Replace all .\d. sequences with _\d. so they no longer look like version |
|
# numbers |
|
$fname=~s/\.(\d+)(?=\.)/_$1/g; |
|
return $fname; |
|
} |
|
|
|
# --------------- Take an uploaded file and put it into the userfiles directory |
|
# input: $formname - the contents of the file are in $env{"form.$formname"} |
|
# the desired filenam is in $env{"form.$formname.filename"} |
|
# $coursedoc - if true up to the current course |
|
# if false |
|
# $subdir - directory in userfile to store the file into |
|
# $parser - instruction to parse file for objects ($parser = parse) |
|
# $allfiles - reference to hash for embedded objects |
|
# $codebase - reference to hash for codebase of java objects |
|
# $desuname - username for permanent storage of uploaded file |
|
# $dsetudom - domain for permanaent storage of uploaded file |
|
# $thumbwidth - width (pixels) of thumbnail to make for uploaded image |
|
# $thumbheight - height (pixels) of thumbnail to make for uploaded image |
|
# |
|
# output: url of file in userspace, or error: <message> |
|
# or /adm/notfound.html if failure to upload occurse |
|
|
|
|
|
sub userfileupload { |
|
my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname, |
|
$destudom,$thumbwidth,$thumbheight)=@_; |
|
if (!defined($subdir)) { $subdir='unknown'; } |
|
my $fname=$env{'form.'.$formname.'.filename'}; |
|
$fname=&clean_filename($fname); |
|
# See if there is anything left |
|
unless ($fname) { return 'error: no uploaded file'; } |
|
chop($env{'form.'.$formname}); |
|
if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { #files uploaded to help request form are handled differently |
|
my $now = time; |
|
my $filepath = 'tmp/helprequests/'.$now; |
|
my @parts=split(/\//,$filepath); |
|
my $fullpath = $perlvar{'lonDaemons'}; |
|
for (my $i=0;$i<@parts;$i++) { |
|
$fullpath .= '/'.$parts[$i]; |
|
if ((-e $fullpath)!=1) { |
|
mkdir($fullpath,0777); |
|
} |
|
} |
|
open(my $fh,'>'.$fullpath.'/'.$fname); |
|
print $fh $env{'form.'.$formname}; |
|
close($fh); |
|
return $fullpath.'/'.$fname; |
|
} elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) { #files uploaded to create course page are handled differently |
|
my $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}. |
|
'_'.$env{'user.domain'}.'/pending'; |
|
my @parts=split(/\//,$filepath); |
|
my $fullpath = $perlvar{'lonDaemons'}; |
|
for (my $i=0;$i<@parts;$i++) { |
|
$fullpath .= '/'.$parts[$i]; |
|
if ((-e $fullpath)!=1) { |
|
mkdir($fullpath,0777); |
|
} |
|
} |
|
open(my $fh,'>'.$fullpath.'/'.$fname); |
|
print $fh $env{'form.'.$formname}; |
|
close($fh); |
|
return $fullpath.'/'.$fname; |
|
} |
|
|
|
# Create the directory if not present |
|
$fname="$subdir/$fname"; |
|
if ($coursedoc) { |
|
my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; |
|
my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; |
|
if ($env{'form.folder'} =~ m/^(default|supplemental)/) { |
|
return &finishuserfileupload($docuname,$docudom, |
|
$formname,$fname,$parser,$allfiles, |
|
$codebase,$thumbwidth,$thumbheight); |
|
} else { |
|
$fname=$env{'form.folder'}.'/'.$fname; |
|
return &process_coursefile('uploaddoc',$docuname,$docudom, |
|
$fname,$formname,$parser, |
|
$allfiles,$codebase); |
|
} |
|
} elsif (defined($destuname)) { |
|
my $docuname=$destuname; |
|
my $docudom=$destudom; |
|
return &finishuserfileupload($docuname,$docudom,$formname,$fname, |
|
$parser,$allfiles,$codebase, |
|
$thumbwidth,$thumbheight); |
|
|
|
} else { |
|
my $docuname=$env{'user.name'}; |
|
my $docudom=$env{'user.domain'}; |
|
if (exists($env{'form.group'})) { |
|
$docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; |
|
$docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; |
|
} |
|
return &finishuserfileupload($docuname,$docudom,$formname,$fname, |
|
$parser,$allfiles,$codebase, |
|
$thumbwidth,$thumbheight); |
|
} |
|
} |
|
|
|
sub finishuserfileupload { |
|
my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase, |
|
$thumbwidth,$thumbheight) = @_; |
|
my $path=$docudom.'/'.$docuname.'/'; |
|
my $filepath=$perlvar{'lonDocRoot'}; |
|
my ($fnamepath,$file,$fetchthumb); |
|
$file=$fname; |
|
if ($fname=~m|/|) { |
|
($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|); |
|
$path.=$fnamepath.'/'; |
|
} |
|
my @parts=split(/\//,$filepath.'/userfiles/'.$path); |
|
my $count; |
|
for ($count=4;$count<=$#parts;$count++) { |
|
$filepath.="/$parts[$count]"; |
|
if ((-e $filepath)!=1) { |
|
mkdir($filepath,0777); |
|
} |
|
} |
|
# Save the file |
|
{ |
|
if (!open(FH,'>'.$filepath.'/'.$file)) { |
|
&logthis('Failed to create '.$filepath.'/'.$file); |
|
print STDERR ('Failed to create '.$filepath.'/'.$file."\n"); |
|
return '/adm/notfound.html'; |
|
} |
|
if (!print FH ($env{'form.'.$formname})) { |
|
&logthis('Failed to write to '.$filepath.'/'.$file); |
|
print STDERR ('Failed to write to '.$filepath.'/'.$file."\n"); |
|
return '/adm/notfound.html'; |
|
} |
|
close(FH); |
|
} |
|
if ($parser eq 'parse') { |
|
my $parse_result = &extract_embedded_items($filepath,$file,$allfiles, |
|
$codebase); |
|
unless ($parse_result eq 'ok') { |
|
&logthis('Failed to parse '.$filepath.$file. |
|
' for embedded media: '.$parse_result); |
|
} |
|
} |
|
if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) { |
|
my $input = $filepath.'/'.$file; |
|
my $output = $filepath.'/'.'tn-'.$file; |
|
my $thumbsize = $thumbwidth.'x'.$thumbheight; |
|
system("convert -sample $thumbsize $input $output"); |
|
if (-e $filepath.'/'.'tn-'.$file) { |
|
$fetchthumb = 1; |
|
} |
|
} |
|
|
|
# Notify homeserver to grep it |
|
# |
|
my $docuhome=&homeserver($docuname,$docudom); |
|
my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); |
|
if ($fetchresult eq 'ok') { |
|
if ($fetchthumb) { |
|
my $thumbresult= &reply('fetchuserfile:'.$path.'tn-'.$file,$docuhome); |
|
if ($thumbresult ne 'ok') { |
|
&logthis('Failed to transfer '.$path.'tn-'.$file.' to host '. |
|
$docuhome.': '.$thumbresult); |
|
} |
|
} |
|
# |
|
# Return the URL to it |
|
return '/uploaded/'.$path.$file; |
|
} else { |
|
&logthis('Failed to transfer '.$path.$file.' to host '.$docuhome. |
|
': '.$fetchresult); |
|
return '/adm/notfound.html'; |
|
} |
|
} |
|
|
|
sub extract_embedded_items { |
|
my ($filepath,$file,$allfiles,$codebase,$content) = @_; |
|
my @state = (); |
|
my %javafiles = ( |
|
codebase => '', |
|
code => '', |
|
archive => '' |
|
); |
|
my %mediafiles = ( |
|
src => '', |
|
movie => '', |
|
); |
|
my $p; |
|
if ($content) { |
|
$p = HTML::LCParser->new($content); |
|
} else { |
|
$p = HTML::LCParser->new($filepath.'/'.$file); |
|
} |
|
while (my $t=$p->get_token()) { |
|
if ($t->[0] eq 'S') { |
|
my ($tagname, $attr) = ($t->[1],$t->[2]); |
|
push(@state, $tagname); |
|
if (lc($tagname) eq 'allow') { |
|
&add_filetype($allfiles,$attr->{'src'},'src'); |
|
} |
|
if (lc($tagname) eq 'img') { |
|
&add_filetype($allfiles,$attr->{'src'},'src'); |
|
} |
|
if (lc($tagname) eq 'a') { |
|
&add_filetype($allfiles,$attr->{'href'},'href'); |
|
} |
|
if (lc($tagname) eq 'script') { |
|
if ($attr->{'archive'} =~ /\.jar$/i) { |
|
&add_filetype($allfiles,$attr->{'archive'},'archive'); |
|
} else { |
|
&add_filetype($allfiles,$attr->{'src'},'src'); |
|
} |
|
} |
|
if (lc($tagname) eq 'link') { |
|
if (lc($attr->{'rel'}) eq 'stylesheet') { |
|
&add_filetype($allfiles,$attr->{'href'},'href'); |
|
} |
|
} |
|
if (lc($tagname) eq 'object' || |
|
(lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')) { |
|
foreach my $item (keys(%javafiles)) { |
|
$javafiles{$item} = ''; |
|
} |
|
} |
|
if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') { |
|
my $name = lc($attr->{'name'}); |
|
foreach my $item (keys(%javafiles)) { |
|
if ($name eq $item) { |
|
$javafiles{$item} = $attr->{'value'}; |
|
last; |
|
} |
|
} |
|
foreach my $item (keys(%mediafiles)) { |
|
if ($name eq $item) { |
|
&add_filetype($allfiles, $attr->{'value'}, 'value'); |
|
last; |
|
} |
|
} |
|
} |
|
if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') { |
|
foreach my $item (keys(%javafiles)) { |
|
if ($attr->{$item}) { |
|
$javafiles{$item} = $attr->{$item}; |
|
last; |
|
} |
|
} |
|
foreach my $item (keys(%mediafiles)) { |
|
if ($attr->{$item}) { |
|
&add_filetype($allfiles,$attr->{$item},$item); |
|
last; |
|
} |
|
} |
|
} |
|
} elsif ($t->[0] eq 'E') { |
|
my ($tagname) = ($t->[1]); |
|
if ($javafiles{'codebase'} ne '') { |
|
$javafiles{'codebase'} .= '/'; |
|
} |
|
if (lc($tagname) eq 'applet' || |
|
lc($tagname) eq 'object' || |
|
(lc($tagname) eq 'embed' && lc($state[-2]) ne 'object') |
|
) { |
|
foreach my $item (keys(%javafiles)) { |
|
if ($item ne 'codebase' && $javafiles{$item} ne '') { |
|
my $file=$javafiles{'codebase'}.$javafiles{$item}; |
|
&add_filetype($allfiles,$file,$item); |
|
} |
|
} |
|
} |
|
pop @state; |
|
} |
|
} |
|
return 'ok'; |
|
} |
|
|
|
sub add_filetype { |
|
my ($allfiles,$file,$type)=@_; |
|
if (exists($allfiles->{$file})) { |
|
unless (grep/^\Q$type\E$/, @{$allfiles->{$file}}) { |
|
push(@{$allfiles->{$file}}, &escape($type)); |
|
} |
|
} else { |
|
@{$allfiles->{$file}} = (&escape($type)); |
|
} |
|
} |
|
|
|
sub removeuploadedurl { |
|
my ($url)=@_; |
|
my (undef,undef,$udom,$uname,$fname)=split('/',$url,5); |
|
return &removeuserfile($uname,$udom,$fname); |
|
} |
|
|
|
sub removeuserfile { |
|
my ($docuname,$docudom,$fname)=@_; |
|
my $home=&homeserver($docuname,$docudom); |
|
my $result = &reply("removeuserfile:$docudom/$docuname/$fname",$home); |
|
if ($result eq 'ok') { |
|
if (($fname !~ /\.meta$/) && (&is_portfolio_file($fname))) { |
|
my $metafile = $fname.'.meta'; |
|
my $metaresult = &removeuserfile($docuname,$docudom,$metafile); |
|
my $url = "/uploaded/$docudom/$docuname/$fname"; |
|
my ($file,$group) = (&parse_portfolio_url($url))[3,4]; |
|
my $sqlresult = |
|
&update_portfolio_table($docuname,$docudom,$file, |
|
'portfolio_metadata',$group, |
|
'delete'); |
|
} |
|
} |
|
return $result; |
|
} |
|
|
|
sub mkdiruserfile { |
|
my ($docuname,$docudom,$dir)=@_; |
|
my $home=&homeserver($docuname,$docudom); |
|
return &reply("mkdiruserfile:".&escape("$docudom/$docuname/$dir"),$home); |
|
} |
|
|
|
sub renameuserfile { |
|
my ($docuname,$docudom,$old,$new)=@_; |
|
my $home=&homeserver($docuname,$docudom); |
|
my $result = &reply("renameuserfile:$docudom:$docuname:". |
|
&escape("$old").':'.&escape("$new"),$home); |
|
if ($result eq 'ok') { |
|
if (($old !~ /\.meta$/) && (&is_portfolio_file($old))) { |
|
my $oldmeta = $old.'.meta'; |
|
my $newmeta = $new.'.meta'; |
|
my $metaresult = |
|
&renameuserfile($docuname,$docudom,$oldmeta,$newmeta); |
|
my $url = "/uploaded/$docudom/$docuname/$old"; |
|
my ($file,$group) = (&parse_portfolio_url($url))[3,4]; |
|
my $sqlresult = |
|
&update_portfolio_table($docuname,$docudom,$file, |
|
'portfolio_metadata',$group, |
|
'delete'); |
|
} |
|
} |
|
return $result; |
|
} |
|
|
# ------------------------------------------------------------------------- Log |
# ------------------------------------------------------------------------- Log |
|
|
sub log { |
sub log { |
Line 658 sub log {
|
Line 2170 sub log {
|
return critical("log:$dom:$nam:$what",$hom); |
return critical("log:$dom:$nam:$what",$hom); |
} |
} |
|
|
|
# ------------------------------------------------------------------ Course Log |
|
# |
|
# This routine flushes several buffers of non-mission-critical nature |
|
# |
|
|
|
sub flushcourselogs { |
|
&logthis('Flushing log buffers'); |
|
# |
|
# course logs |
|
# This is a log of all transactions in a course, which can be used |
|
# for data mining purposes |
|
# |
|
# It also collects the courseid database, which lists last transaction |
|
# times and course titles for all courseids |
|
# |
|
my %courseidbuffer=(); |
|
foreach my $crsid (keys(%courselogs)) { |
|
if (&reply('log:'.$coursedombuf{$crsid}.':'.$coursenumbuf{$crsid}.':'. |
|
&escape($courselogs{$crsid}), |
|
$coursehombuf{$crsid}) eq 'ok') { |
|
delete $courselogs{$crsid}; |
|
} else { |
|
&logthis('Failed to flush log buffer for '.$crsid); |
|
if (length($courselogs{$crsid})>40000) { |
|
&logthis("<font color=\"blue\">WARNING: Buffer for ".$crsid. |
|
" exceeded maximum size, deleting.</font>"); |
|
delete $courselogs{$crsid}; |
|
} |
|
} |
|
$courseidbuffer{$coursehombuf{$crsid}}{$crsid} = { |
|
'description' => &escape($coursedescrbuf{$crsid}), |
|
'inst_code' => &escape($courseinstcodebuf{$crsid}), |
|
'type' => &escape($coursetypebuf{$crsid}), |
|
'owner' => &escape($courseownerbuf{$crsid}), |
|
}; |
|
} |
|
# |
|
# Write course id database (reverse lookup) to homeserver of courses |
|
# Is used in pickcourse |
|
# |
|
foreach my $crs_home (keys(%courseidbuffer)) { |
|
my $response = &courseidput(&host_domain($crs_home), |
|
$courseidbuffer{$crs_home}, |
|
$crs_home,'timeonly'); |
|
} |
|
# |
|
# File accesses |
|
# Writes to the dynamic metadata of resources to get hit counts, etc. |
|
# |
|
foreach my $entry (keys(%accesshash)) { |
|
if ($entry =~ /___count$/) { |
|
my ($dom,$name); |
|
($dom,$name,undef)= |
|
($entry=~m{___($match_domain)/($match_name)/(.*)___count$}); |
|
if (! defined($dom) || $dom eq '' || |
|
! defined($name) || $name eq '') { |
|
my $cid = $env{'request.course.id'}; |
|
$dom = $env{'request.'.$cid.'.domain'}; |
|
$name = $env{'request.'.$cid.'.num'}; |
|
} |
|
my $value = $accesshash{$entry}; |
|
my (undef,$url,undef) = ($entry =~ /^(.*)___(.*)___count$/); |
|
my %temphash=($url => $value); |
|
my $result = &inc('nohist_accesscount',\%temphash,$dom,$name); |
|
if ($result eq 'ok') { |
|
delete $accesshash{$entry}; |
|
} elsif ($result eq 'unknown_cmd') { |
|
# Target server has old code running on it. |
|
my %temphash=($entry => $value); |
|
if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { |
|
delete $accesshash{$entry}; |
|
} |
|
} |
|
} else { |
|
my ($dom,$name) = ($entry=~m{___($match_domain)/($match_name)/(.*)___(\w+)$}); |
|
my %temphash=($entry => $accesshash{$entry}); |
|
if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { |
|
delete $accesshash{$entry}; |
|
} |
|
} |
|
} |
|
# |
|
# Roles |
|
# Reverse lookup of user roles for course faculty/staff and co-authorship |
|
# |
|
foreach my $entry (keys(%userrolehash)) { |
|
my ($role,$uname,$udom,$runame,$rudom,$rsec)= |
|
split(/\:/,$entry); |
|
if (&Apache::lonnet::put('nohist_userroles', |
|
{ $role.':'.$uname.':'.$udom.':'.$rsec => $userrolehash{$entry} }, |
|
$rudom,$runame) eq 'ok') { |
|
delete $userrolehash{$entry}; |
|
} |
|
} |
|
# |
|
# Reverse lookup of domain roles (dc, ad, li, sc, au) |
|
# |
|
my %domrolebuffer = (); |
|
foreach my $entry (keys %domainrolehash) { |
|
my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry); |
|
if ($domrolebuffer{$rudom}) { |
|
$domrolebuffer{$rudom}.='&'.&escape($entry). |
|
'='.&escape($domainrolehash{$entry}); |
|
} else { |
|
$domrolebuffer{$rudom}.=&escape($entry). |
|
'='.&escape($domainrolehash{$entry}); |
|
} |
|
delete $domainrolehash{$entry}; |
|
} |
|
foreach my $dom (keys(%domrolebuffer)) { |
|
my %servers = &get_servers($dom,'library'); |
|
foreach my $tryserver (keys(%servers)) { |
|
unless (&reply('domroleput:'.$dom.':'. |
|
$domrolebuffer{$dom},$tryserver) eq 'ok') { |
|
&logthis('Put of domain roles failed for '.$dom.' and '.$tryserver); |
|
} |
|
} |
|
} |
|
$dumpcount++; |
|
} |
|
|
|
sub courselog { |
|
my $what=shift; |
|
$what=time.':'.$what; |
|
unless ($env{'request.course.id'}) { return ''; } |
|
$coursedombuf{$env{'request.course.id'}}= |
|
$env{'course.'.$env{'request.course.id'}.'.domain'}; |
|
$coursenumbuf{$env{'request.course.id'}}= |
|
$env{'course.'.$env{'request.course.id'}.'.num'}; |
|
$coursehombuf{$env{'request.course.id'}}= |
|
$env{'course.'.$env{'request.course.id'}.'.home'}; |
|
$coursedescrbuf{$env{'request.course.id'}}= |
|
$env{'course.'.$env{'request.course.id'}.'.description'}; |
|
$courseinstcodebuf{$env{'request.course.id'}}= |
|
$env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}; |
|
$courseownerbuf{$env{'request.course.id'}}= |
|
$env{'course.'.$env{'request.course.id'}.'.internal.courseowner'}; |
|
$coursetypebuf{$env{'request.course.id'}}= |
|
$env{'course.'.$env{'request.course.id'}.'.type'}; |
|
if (defined $courselogs{$env{'request.course.id'}}) { |
|
$courselogs{$env{'request.course.id'}}.='&'.$what; |
|
} else { |
|
$courselogs{$env{'request.course.id'}}.=$what; |
|
} |
|
if (length($courselogs{$env{'request.course.id'}})>4048) { |
|
&flushcourselogs(); |
|
} |
|
} |
|
|
|
sub courseacclog { |
|
my $fnsymb=shift; |
|
unless ($env{'request.course.id'}) { return ''; } |
|
my $what=$fnsymb.':'.$env{'user.name'}.':'.$env{'user.domain'}; |
|
if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|task|page)$/) { |
|
$what.=':POST'; |
|
# FIXME: Probably ought to escape things.... |
|
foreach my $key (keys(%env)) { |
|
if ($key=~/^form\.(.*)/) { |
|
$what.=':'.$1.'='.$env{$key}; |
|
} |
|
} |
|
} elsif ($fnsymb =~ m:^/adm/searchcat:) { |
|
# FIXME: We should not be depending on a form parameter that someone |
|
# editing lonsearchcat.pm might change in the future. |
|
if ($env{'form.phase'} eq 'course_search') { |
|
$what.= ':POST'; |
|
# FIXME: Probably ought to escape things.... |
|
foreach my $element ('courseexp','crsfulltext','crsrelated', |
|
'crsdiscuss') { |
|
$what.=':'.$element.'='.$env{'form.'.$element}; |
|
} |
|
} |
|
} |
|
&courselog($what); |
|
} |
|
|
|
sub countacc { |
|
my $url=&declutter(shift); |
|
return if (! defined($url) || $url eq ''); |
|
unless ($env{'request.course.id'}) { return ''; } |
|
$accesshash{$env{'request.course.id'}.'___'.$url.'___course'}=1; |
|
my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count'; |
|
$accesshash{$key}++; |
|
} |
|
|
|
sub linklog { |
|
my ($from,$to)=@_; |
|
$from=&declutter($from); |
|
$to=&declutter($to); |
|
$accesshash{$from.'___'.$to.'___comefrom'}=1; |
|
$accesshash{$to.'___'.$from.'___goto'}=1; |
|
} |
|
|
|
sub userrolelog { |
|
my ($trole,$username,$domain,$area,$tstart,$tend)=@_; |
|
if (($trole=~/^ca/) || ($trole=~/^aa/) || |
|
($trole=~/^in/) || ($trole=~/^cc/) || |
|
($trole=~/^ep/) || ($trole=~/^cr/) || |
|
($trole=~/^ta/)) { |
|
my (undef,$rudom,$runame,$rsec)=split(/\//,$area); |
|
$userrolehash |
|
{$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} |
|
=$tend.':'.$tstart; |
|
} |
|
if (($env{'request.role'} =~ /dc\./) && |
|
(($trole=~/^au/) || ($trole=~/^in/) || |
|
($trole=~/^cc/) || ($trole=~/^ep/) || |
|
($trole=~/^cr/) || ($trole=~/^ta/))) { |
|
$userrolehash |
|
{$trole.':'.$username.':'.$domain.':'.$env{'user.name'}.':'.$env{'user.domain'}.':'} |
|
=$tend.':'.$tstart; |
|
} |
|
if (($trole=~/^dc/) || ($trole=~/^ad/) || |
|
($trole=~/^li/) || ($trole=~/^li/) || |
|
($trole=~/^au/) || ($trole=~/^dg/) || |
|
($trole=~/^sc/)) { |
|
my (undef,$rudom,$runame,$rsec)=split(/\//,$area); |
|
$domainrolehash |
|
{$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} |
|
= $tend.':'.$tstart; |
|
} |
|
} |
|
|
|
sub get_course_adv_roles { |
|
my $cid=shift; |
|
$cid=$env{'request.course.id'} unless (defined($cid)); |
|
my %coursehash=&coursedescription($cid); |
|
my %nothide=(); |
|
foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { |
|
$nothide{join(':',split(/[\@\:]/,$user))}=1; |
|
} |
|
my %returnhash=(); |
|
my %dumphash= |
|
&dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'}); |
|
my $now=time; |
|
foreach my $entry (keys %dumphash) { |
|
my ($tend,$tstart)=split(/\:/,$dumphash{$entry}); |
|
if (($tstart) && ($tstart<0)) { next; } |
|
if (($tend) && ($tend<$now)) { next; } |
|
if (($tstart) && ($now<$tstart)) { next; } |
|
my ($role,$username,$domain,$section)=split(/\:/,$entry); |
|
if ($username eq '' || $domain eq '') { next; } |
|
if ((&privileged($username,$domain)) && |
|
(!$nothide{$username.':'.$domain})) { next; } |
|
if ($role eq 'cr') { next; } |
|
my $key=&plaintext($role); |
|
if ($section) { $key.=' (Sec/Grp '.$section.')'; } |
|
if ($returnhash{$key}) { |
|
$returnhash{$key}.=','.$username.':'.$domain; |
|
} else { |
|
$returnhash{$key}=$username.':'.$domain; |
|
} |
|
} |
|
return %returnhash; |
|
} |
|
|
|
sub get_my_roles { |
|
my ($uname,$udom,$context,$types,$roles,$roledoms,$withsec)=@_; |
|
unless (defined($uname)) { $uname=$env{'user.name'}; } |
|
unless (defined($udom)) { $udom=$env{'user.domain'}; } |
|
my %dumphash; |
|
if ($context eq 'userroles') { |
|
%dumphash = &dump('roles',$udom,$uname); |
|
} else { |
|
%dumphash= |
|
&dump('nohist_userroles',$udom,$uname); |
|
} |
|
my %returnhash=(); |
|
my $now=time; |
|
foreach my $entry (keys(%dumphash)) { |
|
my ($role,$tend,$tstart); |
|
if ($context eq 'userroles') { |
|
($role,$tend,$tstart)=split(/_/,$dumphash{$entry}); |
|
} else { |
|
($tend,$tstart)=split(/\:/,$dumphash{$entry}); |
|
} |
|
if (($tstart) && ($tstart<0)) { next; } |
|
my $status = 'active'; |
|
if (($tend) && ($tend<$now)) { |
|
$status = 'previous'; |
|
} |
|
if (($tstart) && ($now<$tstart)) { |
|
$status = 'future'; |
|
} |
|
if (ref($types) eq 'ARRAY') { |
|
if (!grep(/^\Q$status\E$/,@{$types})) { |
|
next; |
|
} |
|
} else { |
|
if ($status ne 'active') { |
|
next; |
|
} |
|
} |
|
my ($rolecode,$username,$domain,$section,$area); |
|
if ($context eq 'userroles') { |
|
($area,$rolecode) = split(/_/,$entry); |
|
(undef,$domain,$username,$section) = split(/\//,$area); |
|
} else { |
|
($role,$username,$domain,$section) = split(/\:/,$entry); |
|
} |
|
if (ref($roledoms) eq 'ARRAY') { |
|
if (!grep(/^\Q$domain\E$/,@{$roledoms})) { |
|
next; |
|
} |
|
} |
|
if (ref($roles) eq 'ARRAY') { |
|
if (!grep(/^\Q$role\E$/,@{$roles})) { |
|
if ($role =~ /^cr\//) { |
|
if (!grep(/^cr$/,@{$roles})) { |
|
next; |
|
} |
|
} else { |
|
next; |
|
} |
|
} |
|
} |
|
if ($withsec) { |
|
$returnhash{$username.':'.$domain.':'.$role.':'.$section} = |
|
$tstart.':'.$tend; |
|
} else { |
|
$returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend; |
|
} |
|
} |
|
return %returnhash; |
|
} |
|
|
|
# ----------------------------------------------------- Frontpage Announcements |
|
# |
|
# |
|
|
|
sub postannounce { |
|
my ($server,$text)=@_; |
|
unless (&allowed('psa',&host_domain($server))) { return 'refused'; } |
|
unless ($text=~/\w/) { $text=''; } |
|
return &reply('setannounce:'.&escape($text),$server); |
|
} |
|
|
|
sub getannounce { |
|
|
|
if (open(my $fh,$perlvar{'lonDocRoot'}.'/announcement.txt')) { |
|
my $announcement=''; |
|
while (my $line = <$fh>) { $announcement .= $line; } |
|
close($fh); |
|
if ($announcement=~/\w/) { |
|
return |
|
'<table bgcolor="#FF5555" cellpadding="5" cellspacing="3">'. |
|
'<tr><td bgcolor="#FFFFFF"><tt>'.$announcement.'</tt></td></tr></table>'; |
|
} else { |
|
return ''; |
|
} |
|
} else { |
|
return ''; |
|
} |
|
} |
|
|
|
# ---------------------------------------------------------- Course ID routines |
|
# Deal with domain's nohist_courseid.db files |
|
# |
|
|
|
sub courseidput { |
|
my ($domain,$storehash,$coursehome,$caller) = @_; |
|
my $outcome; |
|
if ($caller eq 'timeonly') { |
|
my $cids = ''; |
|
foreach my $item (keys(%$storehash)) { |
|
$cids.=&escape($item).'&'; |
|
} |
|
$cids=~s/\&$//; |
|
$outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$cids, |
|
$coursehome); |
|
} else { |
|
my $items = ''; |
|
foreach my $item (keys(%$storehash)) { |
|
$items.= &escape($item).'='. |
|
&freeze_escape($$storehash{$item}).'&'; |
|
} |
|
$items=~s/\&$//; |
|
$outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$items, |
|
$coursehome); |
|
} |
|
if ($outcome eq 'unknown_cmd') { |
|
my $what; |
|
foreach my $cid (keys(%$storehash)) { |
|
$what .= &escape($cid).'='; |
|
foreach my $item ('description','inst_code','owner','type') { |
|
$what .= &escape($storehash->{$item}).':'; |
|
} |
|
$what =~ s/\:$/&/; |
|
} |
|
$what =~ s/\&$//; |
|
return &reply('courseidput:'.$domain.':'.$what,$coursehome); |
|
} else { |
|
return $outcome; |
|
} |
|
} |
|
|
|
sub courseiddump { |
|
my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter, |
|
$coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok)=@_; |
|
my $as_hash = 1; |
|
my %returnhash; |
|
if (!$domfilter) { $domfilter=''; } |
|
my %libserv = &all_library(); |
|
foreach my $tryserver (keys(%libserv)) { |
|
if ( ( $hostidflag == 1 |
|
&& grep(/^\Q$tryserver\E$/,@{$hostidref}) ) |
|
|| (!defined($hostidflag)) ) { |
|
|
|
if (($domfilter eq '') || |
|
(&host_domain($tryserver) eq $domfilter)) { |
|
my $rep = |
|
&reply('courseiddump:'.&host_domain($tryserver).':'. |
|
$sincefilter.':'.&escape($descfilter).':'. |
|
&escape($instcodefilter).':'.&escape($ownerfilter). |
|
':'.&escape($coursefilter).':'.&escape($typefilter). |
|
':'.&escape($regexp_ok).':'.$as_hash,$tryserver); |
|
my @pairs=split(/\&/,$rep); |
|
foreach my $item (@pairs) { |
|
my ($key,$value)=split(/\=/,$item,2); |
|
$key = &unescape($key); |
|
next if ($key =~ /^error: 2 /); |
|
my $result = &thaw_unescape($value); |
|
if (ref($result) eq 'HASH') { |
|
$returnhash{$key}=$result; |
|
} else { |
|
my @responses = split(/:/,$value); |
|
my @items = ('description','inst_code','owner','type'); |
|
for (my $i=0; $i<@responses; $i++) { |
|
$returnhash{$key}{$items[$i]} = &unescape($responses[$i]); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return %returnhash; |
|
} |
|
|
|
# ---------------------------------------------------------- DC e-mail |
|
|
|
sub dcmailput { |
|
my ($domain,$msgid,$message,$server)=@_; |
|
my $status = &Apache::lonnet::critical( |
|
'dcmailput:'.$domain.':'.&escape($msgid).'='. |
|
&escape($message),$server); |
|
return $status; |
|
} |
|
|
|
sub dcmaildump { |
|
my ($dom,$startdate,$enddate,$senders) = @_; |
|
my %returnhash=(); |
|
|
|
if (defined(&domain($dom,'primary'))) { |
|
my $cmd='dcmaildump:'.$dom.':'.&escape($startdate).':'. |
|
&escape($enddate).':'; |
|
my @esc_senders=map { &escape($_)} @$senders; |
|
$cmd.=&escape(join('&',@esc_senders)); |
|
foreach my $line (split(/\&/,&reply($cmd,&domain($dom,'primary')))) { |
|
my ($key,$value) = split(/\=/,$line,2); |
|
if (($key) && ($value)) { |
|
$returnhash{&unescape($key)} = &unescape($value); |
|
} |
|
} |
|
} |
|
return %returnhash; |
|
} |
|
# ---------------------------------------------------------- Domain roles |
|
|
|
sub get_domain_roles { |
|
my ($dom,$roles,$startdate,$enddate)=@_; |
|
if (undef($startdate) || $startdate eq '') { |
|
$startdate = '.'; |
|
} |
|
if (undef($enddate) || $enddate eq '') { |
|
$enddate = '.'; |
|
} |
|
my $rolelist; |
|
if (ref($roles) eq 'ARRAY') { |
|
$rolelist = join(':',@{$roles}); |
|
} |
|
my %personnel = (); |
|
|
|
my %servers = &get_servers($dom,'library'); |
|
foreach my $tryserver (keys(%servers)) { |
|
%{$personnel{$tryserver}}=(); |
|
foreach my $line (split(/\&/,&reply('domrolesdump:'.$dom.':'. |
|
&escape($startdate).':'. |
|
&escape($enddate).':'. |
|
&escape($rolelist), $tryserver))) { |
|
my ($key,$value) = split(/\=/,$line,2); |
|
if (($key) && ($value)) { |
|
$personnel{$tryserver}{&unescape($key)} = &unescape($value); |
|
} |
|
} |
|
} |
|
return %personnel; |
|
} |
|
|
|
# ----------------------------------------------------------- Check out an item |
|
|
|
sub get_first_access { |
|
my ($type,$argsymb)=@_; |
|
my ($symb,$courseid,$udom,$uname)=&whichuser(); |
|
if ($argsymb) { $symb=$argsymb; } |
|
my ($map,$id,$res)=&decode_symb($symb); |
|
if ($type eq 'course') { |
|
$res='course'; |
|
} elsif ($type eq 'map') { |
|
$res=&symbread($map); |
|
} else { |
|
$res=$symb; |
|
} |
|
my %times=&get('firstaccesstimes',["$courseid\0$res"],$udom,$uname); |
|
return $times{"$courseid\0$res"}; |
|
} |
|
|
|
sub set_first_access { |
|
my ($type)=@_; |
|
my ($symb,$courseid,$udom,$uname)=&whichuser(); |
|
my ($map,$id,$res)=&decode_symb($symb); |
|
if ($type eq 'course') { |
|
$res='course'; |
|
} elsif ($type eq 'map') { |
|
$res=&symbread($map); |
|
} else { |
|
$res=$symb; |
|
} |
|
my $firstaccess=&get_first_access($type,$symb); |
|
if (!$firstaccess) { |
|
return &put('firstaccesstimes',{"$courseid\0$res"=>time},$udom,$uname); |
|
} |
|
return 'already_set'; |
|
} |
|
|
|
sub checkout { |
|
my ($symb,$tuname,$tudom,$tcrsid)=@_; |
|
my $now=time; |
|
my $lonhost=$perlvar{'lonHostID'}; |
|
my $infostr=&escape( |
|
'CHECKOUTTOKEN&'. |
|
$tuname.'&'. |
|
$tudom.'&'. |
|
$tcrsid.'&'. |
|
$symb.'&'. |
|
$now.'&'.$ENV{'REMOTE_ADDR'}); |
|
my $token=&reply('tmpput:'.$infostr,$lonhost); |
|
if ($token=~/^error\:/) { |
|
&logthis("<font color=\"blue\">WARNING: ". |
|
"Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb. |
|
"</font>"); |
|
return ''; |
|
} |
|
|
|
$token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/; |
|
$token=~tr/a-z/A-Z/; |
|
|
|
my %infohash=('resource.0.outtoken' => $token, |
|
'resource.0.checkouttime' => $now, |
|
'resource.0.outremote' => $ENV{'REMOTE_ADDR'}); |
|
|
|
unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { |
|
return ''; |
|
} else { |
|
&logthis("<font color=\"blue\">WARNING: ". |
|
"Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb. |
|
"</font>"); |
|
} |
|
|
|
if (&log($tudom,$tuname,&homeserver($tuname,$tudom), |
|
&escape('Checkout '.$infostr.' - '. |
|
$token)) ne 'ok') { |
|
return ''; |
|
} else { |
|
&logthis("<font color=\"blue\">WARNING: ". |
|
"Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb. |
|
"</font>"); |
|
} |
|
return $token; |
|
} |
|
|
|
# ------------------------------------------------------------ Check in an item |
|
|
|
sub checkin { |
|
my $token=shift; |
|
my $now=time; |
|
my ($ta,$tb,$lonhost)=split(/\*/,$token); |
|
$lonhost=~tr/A-Z/a-z/; |
|
my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb; |
|
$dtoken=~s/\W/\_/g; |
|
my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)= |
|
split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost))); |
|
|
|
unless (($tuname) && ($tudom)) { |
|
&logthis('Check in '.$token.' ('.$dtoken.') failed'); |
|
return ''; |
|
} |
|
|
|
unless (&allowed('mgr',$tcrsid)) { |
|
&logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '. |
|
$env{'user.name'}.' - '.$env{'user.domain'}); |
|
return ''; |
|
} |
|
|
|
my %infohash=('resource.0.intoken' => $token, |
|
'resource.0.checkintime' => $now, |
|
'resource.0.inremote' => $ENV{'REMOTE_ADDR'}); |
|
|
|
unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { |
|
return ''; |
|
} |
|
|
|
if (&log($tudom,$tuname,&homeserver($tuname,$tudom), |
|
&escape('Checkin - '.$token)) ne 'ok') { |
|
return ''; |
|
} |
|
|
|
return ($symb,$tuname,$tudom,$tcrsid); |
|
} |
|
|
# --------------------------------------------- Set Expire Date for Spreadsheet |
# --------------------------------------------- Set Expire Date for Spreadsheet |
|
|
sub expirespread { |
sub expirespread { |
my ($uname,$udom,$stype,$usymb)=@_; |
my ($uname,$udom,$stype,$usymb)=@_; |
my $cid=$ENV{'request.course.id'}; |
my $cid=$env{'request.course.id'}; |
if ($cid) { |
if ($cid) { |
my $now=time; |
my $now=time; |
my $key=$uname.':'.$udom.':'.$stype.':'.$usymb; |
my $key=$uname.':'.$udom.':'.$stype.':'.$usymb; |
return &reply('put:'.$ENV{'course.'.$cid.'.domain'}.':'. |
return &reply('put:'.$env{'course.'.$cid.'.domain'}.':'. |
$ENV{'course.'.$cid.'.num'}. |
$env{'course.'.$cid.'.num'}. |
':nohist_expirationdates:'. |
':nohist_expirationdates:'. |
&escape($key).'='.$now, |
&escape($key).'='.$now, |
$ENV{'course.'.$cid.'.home'}) |
$env{'course.'.$cid.'.home'}) |
} |
} |
return 'ok'; |
return 'ok'; |
} |
} |
Line 678 sub expirespread {
|
Line 2809 sub expirespread {
|
# ----------------------------------------------------- Devalidate Spreadsheets |
# ----------------------------------------------------- Devalidate Spreadsheets |
|
|
sub devalidate { |
sub devalidate { |
my $symb=shift; |
my ($symb,$uname,$udom)=@_; |
my $cid=$ENV{'request.course.id'}; |
my $cid=$env{'request.course.id'}; |
if ($cid) { |
if ($cid) { |
my $key=$ENV{'user.name'}.':'.$ENV{'user.domain'}.':'; |
# delete the stored spreadsheets for |
|
# - the student level sheet of this user in course's homespace |
|
# - the assessment level sheet for this resource |
|
# for this user in user's homespace |
|
# - current conditional state info |
|
my $key=$uname.':'.$udom.':'; |
my $status= |
my $status= |
&del('nohist_calculatedsheet', |
&del('nohist_calculatedsheets', |
[$key.'studentcalc'], |
[$key.'studentcalc:'], |
$ENV{'course.'.$cid.'.domain'}, |
$env{'course.'.$cid.'.domain'}, |
$ENV{'course.'.$cid.'.num'}) |
$env{'course.'.$cid.'.num'}) |
.' '. |
.' '. |
&del('nohist_calculatedsheets_'.$cid, |
&del('nohist_calculatedsheets_'.$cid, |
[$key.'assesscalc:'.$symb]); |
[$key.'assesscalc:'.$symb],$udom,$uname); |
unless ($status eq 'ok ok') { |
unless ($status eq 'ok ok') { |
&logthis('Could not devalidate spreadsheet '. |
&logthis('Could not devalidate spreadsheet '. |
$ENV{'user.name'}.' at '.$ENV{'user.domain'}.' for '. |
$uname.' at '.$udom.' for '. |
$symb.': '.$status); |
$symb.': '.$status); |
} |
} |
|
&delenv('user.state.'.$cid); |
} |
} |
} |
} |
|
|
|
sub get_scalar { |
|
my ($string,$end) = @_; |
|
my $value; |
|
if ($$string =~ s/^([^&]*?)($end)/$2/) { |
|
$value = $1; |
|
} elsif ($$string =~ s/^([^&]*?)&//) { |
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$value = $1; |
|
} |
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return &unescape($value); |
|
} |
|
|
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sub array2str { |
|
my (@array) = @_; |
|
my $result=&arrayref2str(\@array); |
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$result=~s/^__ARRAY_REF__//; |
|
$result=~s/__END_ARRAY_REF__$//; |
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return $result; |
|
} |
|
|
|
sub arrayref2str { |
|
my ($arrayref) = @_; |
|
my $result='__ARRAY_REF__'; |
|
foreach my $elem (@$arrayref) { |
|
if(ref($elem) eq 'ARRAY') { |
|
$result.=&arrayref2str($elem).'&'; |
|
} elsif(ref($elem) eq 'HASH') { |
|
$result.=&hashref2str($elem).'&'; |
|
} elsif(ref($elem)) { |
|
#print("Got a ref of ".(ref($elem))." skipping."); |
|
} else { |
|
$result.=&escape($elem).'&'; |
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} |
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} |
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$result=~s/\&$//; |
|
$result .= '__END_ARRAY_REF__'; |
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return $result; |
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} |
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|
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sub hash2str { |
|
my (%hash) = @_; |
|
my $result=&hashref2str(\%hash); |
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$result=~s/^__HASH_REF__//; |
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$result=~s/__END_HASH_REF__$//; |
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return $result; |
|
} |
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|
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sub hashref2str { |
|
my ($hashref)=@_; |
|
my $result='__HASH_REF__'; |
|
foreach my $key (sort(keys(%$hashref))) { |
|
if (ref($key) eq 'ARRAY') { |
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$result.=&arrayref2str($key).'='; |
|
} elsif (ref($key) eq 'HASH') { |
|
$result.=&hashref2str($key).'='; |
|
} elsif (ref($key)) { |
|
$result.='='; |
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#print("Got a ref of ".(ref($key))." skipping."); |
|
} else { |
|
if ($key) {$result.=&escape($key).'=';} else { last; } |
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} |
|
|
|
if(ref($hashref->{$key}) eq 'ARRAY') { |
|
$result.=&arrayref2str($hashref->{$key}).'&'; |
|
} elsif(ref($hashref->{$key}) eq 'HASH') { |
|
$result.=&hashref2str($hashref->{$key}).'&'; |
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} elsif(ref($hashref->{$key})) { |
|
$result.='&'; |
|
#print("Got a ref of ".(ref($hashref->{$key}))." skipping."); |
|
} else { |
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$result.=&escape($hashref->{$key}).'&'; |
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} |
|
} |
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$result=~s/\&$//; |
|
$result .= '__END_HASH_REF__'; |
|
return $result; |
|
} |
|
|
|
sub str2hash { |
|
my ($string)=@_; |
|
my ($hash)=&str2hashref('__HASH_REF__'.$string.'__END_HASH_REF__'); |
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return %$hash; |
|
} |
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|
|
sub str2hashref { |
|
my ($string) = @_; |
|
|
|
my %hash; |
|
|
|
if($string !~ /^__HASH_REF__/) { |
|
if (! ($string eq '' || !defined($string))) { |
|
$hash{'error'}='Not hash reference'; |
|
} |
|
return (\%hash, $string); |
|
} |
|
|
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$string =~ s/^__HASH_REF__//; |
|
|
|
while($string !~ /^__END_HASH_REF__/) { |
|
#key |
|
my $key=''; |
|
if($string =~ /^__HASH_REF__/) { |
|
($key, $string)=&str2hashref($string); |
|
if(defined($key->{'error'})) { |
|
$hash{'error'}='Bad data'; |
|
return (\%hash, $string); |
|
} |
|
} elsif($string =~ /^__ARRAY_REF__/) { |
|
($key, $string)=&str2arrayref($string); |
|
if($key->[0] eq 'Array reference error') { |
|
$hash{'error'}='Bad data'; |
|
return (\%hash, $string); |
|
} |
|
} else { |
|
$string =~ s/^(.*?)=//; |
|
$key=&unescape($1); |
|
} |
|
$string =~ s/^=//; |
|
|
|
#value |
|
my $value=''; |
|
if($string =~ /^__HASH_REF__/) { |
|
($value, $string)=&str2hashref($string); |
|
if(defined($value->{'error'})) { |
|
$hash{'error'}='Bad data'; |
|
return (\%hash, $string); |
|
} |
|
} elsif($string =~ /^__ARRAY_REF__/) { |
|
($value, $string)=&str2arrayref($string); |
|
if($value->[0] eq 'Array reference error') { |
|
$hash{'error'}='Bad data'; |
|
return (\%hash, $string); |
|
} |
|
} else { |
|
$value=&get_scalar(\$string,'__END_HASH_REF__'); |
|
} |
|
$string =~ s/^&//; |
|
|
|
$hash{$key}=$value; |
|
} |
|
|
|
$string =~ s/^__END_HASH_REF__//; |
|
|
|
return (\%hash, $string); |
|
} |
|
|
|
sub str2array { |
|
my ($string)=@_; |
|
my ($array)=&str2arrayref('__ARRAY_REF__'.$string.'__END_ARRAY_REF__'); |
|
return @$array; |
|
} |
|
|
|
sub str2arrayref { |
|
my ($string) = @_; |
|
my @array; |
|
|
|
if($string !~ /^__ARRAY_REF__/) { |
|
if (! ($string eq '' || !defined($string))) { |
|
$array[0]='Array reference error'; |
|
} |
|
return (\@array, $string); |
|
} |
|
|
|
$string =~ s/^__ARRAY_REF__//; |
|
|
|
while($string !~ /^__END_ARRAY_REF__/) { |
|
my $value=''; |
|
if($string =~ /^__HASH_REF__/) { |
|
($value, $string)=&str2hashref($string); |
|
if(defined($value->{'error'})) { |
|
$array[0] ='Array reference error'; |
|
return (\@array, $string); |
|
} |
|
} elsif($string =~ /^__ARRAY_REF__/) { |
|
($value, $string)=&str2arrayref($string); |
|
if($value->[0] eq 'Array reference error') { |
|
$array[0] ='Array reference error'; |
|
return (\@array, $string); |
|
} |
|
} else { |
|
$value=&get_scalar(\$string,'__END_ARRAY_REF__'); |
|
} |
|
$string =~ s/^&//; |
|
|
|
push(@array, $value); |
|
} |
|
|
|
$string =~ s/^__END_ARRAY_REF__//; |
|
|
|
return (\@array, $string); |
|
} |
|
|
|
# -------------------------------------------------------------------Temp Store |
|
|
|
sub tmpreset { |
|
my ($symb,$namespace,$domain,$stuname) = @_; |
|
if (!$symb) { |
|
$symb=&symbread(); |
|
if (!$symb) { $symb= $env{'request.url'}; } |
|
} |
|
$symb=escape($symb); |
|
|
|
if (!$namespace) { $namespace=$env{'request.state'}; } |
|
$namespace=~s/\//\_/g; |
|
$namespace=~s/\W//g; |
|
|
|
if (!$domain) { $domain=$env{'user.domain'}; } |
|
if (!$stuname) { $stuname=$env{'user.name'}; } |
|
if ($domain eq 'public' && $stuname eq 'public') { |
|
$stuname=$ENV{'REMOTE_ADDR'}; |
|
} |
|
my $path=$perlvar{'lonDaemons'}.'/tmp'; |
|
my %hash; |
|
if (tie(%hash,'GDBM_File', |
|
$path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', |
|
&GDBM_WRCREAT(),0640)) { |
|
foreach my $key (keys %hash) { |
|
if ($key=~ /:$symb/) { |
|
delete($hash{$key}); |
|
} |
|
} |
|
} |
|
} |
|
|
|
sub tmpstore { |
|
my ($storehash,$symb,$namespace,$domain,$stuname) = @_; |
|
|
|
if (!$symb) { |
|
$symb=&symbread(); |
|
if (!$symb) { $symb= $env{'request.url'}; } |
|
} |
|
$symb=escape($symb); |
|
|
|
if (!$namespace) { |
|
# I don't think we would ever want to store this for a course. |
|
# it seems this will only be used if we don't have a course. |
|
#$namespace=$env{'request.course.id'}; |
|
#if (!$namespace) { |
|
$namespace=$env{'request.state'}; |
|
#} |
|
} |
|
$namespace=~s/\//\_/g; |
|
$namespace=~s/\W//g; |
|
if (!$domain) { $domain=$env{'user.domain'}; } |
|
if (!$stuname) { $stuname=$env{'user.name'}; } |
|
if ($domain eq 'public' && $stuname eq 'public') { |
|
$stuname=$ENV{'REMOTE_ADDR'}; |
|
} |
|
my $now=time; |
|
my %hash; |
|
my $path=$perlvar{'lonDaemons'}.'/tmp'; |
|
if (tie(%hash,'GDBM_File', |
|
$path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', |
|
&GDBM_WRCREAT(),0640)) { |
|
$hash{"version:$symb"}++; |
|
my $version=$hash{"version:$symb"}; |
|
my $allkeys=''; |
|
foreach my $key (keys(%$storehash)) { |
|
$allkeys.=$key.':'; |
|
$hash{"$version:$symb:$key"}=&freeze_escape($$storehash{$key}); |
|
} |
|
$hash{"$version:$symb:timestamp"}=$now; |
|
$allkeys.='timestamp'; |
|
$hash{"$version:keys:$symb"}=$allkeys; |
|
if (untie(%hash)) { |
|
return 'ok'; |
|
} else { |
|
return "error:$!"; |
|
} |
|
} else { |
|
return "error:$!"; |
|
} |
|
} |
|
|
|
# -----------------------------------------------------------------Temp Restore |
|
|
|
sub tmprestore { |
|
my ($symb,$namespace,$domain,$stuname) = @_; |
|
|
|
if (!$symb) { |
|
$symb=&symbread(); |
|
if (!$symb) { $symb= $env{'request.url'}; } |
|
} |
|
$symb=escape($symb); |
|
|
|
if (!$namespace) { $namespace=$env{'request.state'}; } |
|
|
|
if (!$domain) { $domain=$env{'user.domain'}; } |
|
if (!$stuname) { $stuname=$env{'user.name'}; } |
|
if ($domain eq 'public' && $stuname eq 'public') { |
|
$stuname=$ENV{'REMOTE_ADDR'}; |
|
} |
|
my %returnhash; |
|
$namespace=~s/\//\_/g; |
|
$namespace=~s/\W//g; |
|
my %hash; |
|
my $path=$perlvar{'lonDaemons'}.'/tmp'; |
|
if (tie(%hash,'GDBM_File', |
|
$path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', |
|
&GDBM_READER(),0640)) { |
|
my $version=$hash{"version:$symb"}; |
|
$returnhash{'version'}=$version; |
|
my $scope; |
|
for ($scope=1;$scope<=$version;$scope++) { |
|
my $vkeys=$hash{"$scope:keys:$symb"}; |
|
my @keys=split(/:/,$vkeys); |
|
my $key; |
|
$returnhash{"$scope:keys"}=$vkeys; |
|
foreach $key (@keys) { |
|
$returnhash{"$scope:$key"}=&thaw_unescape($hash{"$scope:$symb:$key"}); |
|
$returnhash{"$key"}=&thaw_unescape($hash{"$scope:$symb:$key"}); |
|
} |
|
} |
|
if (!(untie(%hash))) { |
|
return "error:$!"; |
|
} |
|
} else { |
|
return "error:$!"; |
|
} |
|
return %returnhash; |
|
} |
|
|
# ----------------------------------------------------------------------- Store |
# ----------------------------------------------------------------------- Store |
|
|
sub store { |
sub store { |
my ($storehash,$symb,$namespace,$domain,$stuname) = @_; |
my ($storehash,$symb,$namespace,$domain,$stuname) = @_; |
my $home=''; |
my $home=''; |
|
|
if ($stuname) { |
if ($stuname) { $home=&homeserver($stuname,$domain); } |
$home=&homeserver($stuname,$domain); |
|
} |
|
|
|
|
$symb=&symbclean($symb); |
if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
|
|
&devalidate($symb); |
if (!$domain) { $domain=$env{'user.domain'}; } |
|
if (!$stuname) { $stuname=$env{'user.name'}; } |
|
|
|
&devalidate($symb,$stuname,$domain); |
|
|
$symb=escape($symb); |
$symb=escape($symb); |
if (!$namespace) { unless ($namespace=$ENV{'request.course.id'}) { return ''; } } |
if (!$namespace) { |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
unless ($namespace=$env{'request.course.id'}) { |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
return ''; |
if (!$home) { $home=$ENV{'user.home'}; } |
} |
|
} |
|
if (!$home) { $home=$env{'user.home'}; } |
|
|
|
$$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; |
|
$$storehash{'host'}=$perlvar{'lonHostID'}; |
|
|
my $namevalue=''; |
my $namevalue=''; |
map { |
foreach my $key (keys(%$storehash)) { |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
$namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; |
} keys %$storehash; |
} |
$namevalue=~s/\&$//; |
$namevalue=~s/\&$//; |
|
&courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); |
return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
} |
} |
|
|
Line 731 sub cstore {
|
Line 3198 sub cstore {
|
my ($storehash,$symb,$namespace,$domain,$stuname) = @_; |
my ($storehash,$symb,$namespace,$domain,$stuname) = @_; |
my $home=''; |
my $home=''; |
|
|
if ($stuname) { |
if ($stuname) { $home=&homeserver($stuname,$domain); } |
$home=&homeserver($stuname,$domain); |
|
} |
|
|
|
|
$symb=&symbclean($symb); |
if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
|
|
&devalidate($symb); |
if (!$domain) { $domain=$env{'user.domain'}; } |
|
if (!$stuname) { $stuname=$env{'user.name'}; } |
|
|
|
&devalidate($symb,$stuname,$domain); |
|
|
$symb=escape($symb); |
$symb=escape($symb); |
if (!$namespace) { unless ($namespace=$ENV{'request.course.id'}) { return ''; } } |
if (!$namespace) { |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
unless ($namespace=$env{'request.course.id'}) { |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
return ''; |
if (!$home) { $home=$ENV{'user.home'}; } |
} |
|
} |
|
if (!$home) { $home=$env{'user.home'}; } |
|
|
|
$$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; |
|
$$storehash{'host'}=$perlvar{'lonHostID'}; |
|
|
my $namevalue=''; |
my $namevalue=''; |
map { |
foreach my $key (keys(%$storehash)) { |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
$namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; |
} keys %$storehash; |
} |
$namevalue=~s/\&$//; |
$namevalue=~s/\&$//; |
return critical("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
&courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); |
|
return critical |
|
("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
} |
} |
|
|
# --------------------------------------------------------------------- Restore |
# --------------------------------------------------------------------- Restore |
Line 759 sub restore {
|
Line 3235 sub restore {
|
my ($symb,$namespace,$domain,$stuname) = @_; |
my ($symb,$namespace,$domain,$stuname) = @_; |
my $home=''; |
my $home=''; |
|
|
if ($stuname) { |
if ($stuname) { $home=&homeserver($stuname,$domain); } |
$home=&homeserver($stuname,$domain); |
|
} |
|
|
|
if (!$symb) { |
if (!$symb) { |
unless ($symb=escape(&symbread())) { return ''; } |
unless ($symb=escape(&symbread())) { return ''; } |
} else { |
} else { |
$symb=&escape($symb); |
$symb=&escape(&symbclean($symb)); |
|
} |
|
if (!$namespace) { |
|
unless ($namespace=$env{'request.course.id'}) { |
|
return ''; |
|
} |
} |
} |
if (!$namespace) { unless ($namespace=$ENV{'request.course.id'}) { return ''; } } |
if (!$domain) { $domain=$env{'user.domain'}; } |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
if (!$stuname) { $stuname=$env{'user.name'}; } |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
if (!$home) { $home=$env{'user.home'}; } |
if (!$home) { $home=$ENV{'user.home'}; } |
|
my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home"); |
my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home"); |
|
|
my %returnhash=(); |
my %returnhash=(); |
map { |
foreach my $line (split(/\&/,$answer)) { |
my ($name,$value)=split(/\=/,$_); |
my ($name,$value)=split(/\=/,$line); |
$returnhash{&unescape($name)}=&unescape($value); |
$returnhash{&unescape($name)}=&thaw_unescape($value); |
} split(/\&/,$answer); |
} |
my $version; |
my $version; |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
map { |
foreach my $item (split(/\:/,$returnhash{$version.':keys'})) { |
$returnhash{$_}=$returnhash{$version.':'.$_}; |
$returnhash{$item}=$returnhash{$version.':'.$item}; |
} split(/\:/,$returnhash{$version.':keys'}); |
} |
} |
} |
return %returnhash; |
return %returnhash; |
} |
} |
Line 791 sub restore {
|
Line 3269 sub restore {
|
# ---------------------------------------------------------- Course Description |
# ---------------------------------------------------------- Course Description |
|
|
sub coursedescription { |
sub coursedescription { |
my $courseid=shift; |
my ($courseid,$args)=@_; |
$courseid=~s/^\///; |
$courseid=~s/^\///; |
$courseid=~s/\_/\//g; |
$courseid=~s/\_/\//g; |
my ($cdomain,$cnum)=split(/\//,$courseid); |
my ($cdomain,$cnum)=split(/\//,$courseid); |
my $chome=&homeserver($cnum,$cdomain); |
my $chome=&homeserver($cnum,$cdomain); |
|
my $normalid=$cdomain.'_'.$cnum; |
|
# need to always cache even if we get errors otherwise we keep |
|
# trying and trying and trying to get the course description. |
|
my %envhash=(); |
|
my %returnhash=(); |
|
|
|
my $expiretime=600; |
|
if ($env{'request.course.id'} eq $normalid) { |
|
$expiretime=120; |
|
} |
|
|
|
my $prefix='course.'.$cdomain.'_'.$cnum.'.'; |
|
if (!$args->{'freshen_cache'} |
|
&& ((time-$env{$prefix.'last_cache'}) < $expiretime) ) { |
|
foreach my $key (keys(%env)) { |
|
next if ($key !~ /^\Q$prefix\E(.*)/); |
|
my ($setting) = $1; |
|
$returnhash{$setting} = $env{$key}; |
|
} |
|
return %returnhash; |
|
} |
|
|
|
# get the data agin |
|
if (!$args->{'one_time'}) { |
|
$envhash{'course.'.$normalid.'.last_cache'}=time; |
|
} |
|
|
if ($chome ne 'no_host') { |
if ($chome ne 'no_host') { |
my %returnhash=&dump('environment',$cdomain,$cnum); |
%returnhash=&dump('environment',$cdomain,$cnum); |
if (!exists($returnhash{'con_lost'})) { |
if (!exists($returnhash{'con_lost'})) { |
my $normalid=$cdomain.'_'.$cnum; |
|
my %envhash=(); |
|
$returnhash{'home'}= $chome; |
$returnhash{'home'}= $chome; |
$returnhash{'domain'} = $cdomain; |
$returnhash{'domain'} = $cdomain; |
$returnhash{'num'} = $cnum; |
$returnhash{'num'} = $cnum; |
|
if (!defined($returnhash{'type'})) { |
|
$returnhash{'type'} = 'Course'; |
|
} |
while (my ($name,$value) = each %returnhash) { |
while (my ($name,$value) = each %returnhash) { |
$envhash{'course.'.$normalid.'.'.$name}=$value; |
$envhash{'course.'.$normalid.'.'.$name}=$value; |
} |
} |
$returnhash{'url'}='/res/'.declutter($returnhash{'url'}); |
$returnhash{'url'}=&clutter($returnhash{'url'}); |
$returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. |
$returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. |
$ENV{'user.name'}.'_'.$cdomain.'_'.$cnum; |
$env{'user.name'}.'_'.$cdomain.'_'.$cnum; |
$envhash{'course.'.$normalid.'.last_cache'}=time; |
|
$envhash{'course.'.$normalid.'.home'}=$chome; |
$envhash{'course.'.$normalid.'.home'}=$chome; |
$envhash{'course.'.$normalid.'.domain'}=$cdomain; |
$envhash{'course.'.$normalid.'.domain'}=$cdomain; |
$envhash{'course.'.$normalid.'.num'}=$cnum; |
$envhash{'course.'.$normalid.'.num'}=$cnum; |
&appenv(%envhash); |
|
return %returnhash; |
|
} |
} |
} |
} |
return (); |
if (!$args->{'one_time'}) { |
|
&appenv(%envhash); |
|
} |
|
return %returnhash; |
|
} |
|
|
|
# -------------------------------------------------See if a user is privileged |
|
|
|
sub privileged { |
|
my ($username,$domain)=@_; |
|
my $rolesdump=&reply("dump:$domain:$username:roles", |
|
&homeserver($username,$domain)); |
|
if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return 0; } |
|
my $now=time; |
|
if ($rolesdump ne '') { |
|
foreach my $entry (split(/&/,$rolesdump)) { |
|
if ($entry!~/^rolesdef_/) { |
|
my ($area,$role)=split(/=/,$entry); |
|
$area=~s/\_\w\w$//; |
|
my ($trole,$tend,$tstart)=split(/_/,$role); |
|
if (($trole eq 'dc') || ($trole eq 'su')) { |
|
my $active=1; |
|
if ($tend) { |
|
if ($tend<$now) { $active=0; } |
|
} |
|
if ($tstart) { |
|
if ($tstart>$now) { $active=0; } |
|
} |
|
if ($active) { return 1; } |
|
} |
|
} |
|
} |
|
} |
|
return 0; |
} |
} |
|
|
# -------------------------------------------------------- Get user privileges |
# -------------------------------------------------------- Get user privileges |
Line 828 sub rolesinit {
|
Line 3364 sub rolesinit {
|
my $rolesdump=reply("dump:$domain:$username:roles",$authhost); |
my $rolesdump=reply("dump:$domain:$username:roles",$authhost); |
if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return ''; } |
if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return ''; } |
my %allroles=(); |
my %allroles=(); |
my %thesepriv=(); |
my %allgroups=(); |
my $now=time; |
my $now=time; |
my $userroles="user.login.time=$now\n"; |
my %userroles = ('user.login.time' => $now); |
my $thesestr; |
my $group_privs; |
|
|
if ($rolesdump ne '') { |
if ($rolesdump ne '') { |
map { |
foreach my $entry (split(/&/,$rolesdump)) { |
if ($_!~/^rolesdef\&/) { |
if ($entry!~/^rolesdef_/) { |
my ($area,$role)=split(/=/,$_); |
my ($area,$role)=split(/=/,$entry); |
$area=~s/\_\w\w$//; |
$area=~s/\_\w\w$//; |
my ($trole,$tend,$tstart)=split(/_/,$role); |
my ($trole,$tend,$tstart,$group_privs); |
$userroles.='user.role.'.$trole.'.'.$area.'='. |
if ($role=~/^cr/) { |
$tstart.'.'.$tend."\n"; |
if ($role=~m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|) { |
if ($tend!=0) { |
($trole,my $trest)=($role=~m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|); |
if ($tend<$now) { |
($tend,$tstart)=split('_',$trest); |
$trole=''; |
} else { |
} |
$trole=$role; |
|
} |
|
} elsif ($role =~ m|^gr/|) { |
|
($trole,$tend,$tstart) = split(/_/,$role); |
|
($trole,$group_privs) = split(/\//,$trole); |
|
$group_privs = &unescape($group_privs); |
|
} else { |
|
($trole,$tend,$tstart)=split(/_/,$role); |
|
} |
|
my %new_role = &set_arearole($trole,$area,$tstart,$tend,$domain, |
|
$username); |
|
@userroles{keys(%new_role)} = @new_role{keys(%new_role)}; |
|
if (($tend!=0) && ($tend<$now)) { $trole=''; } |
|
if (($tstart!=0) && ($tstart>$now)) { $trole=''; } |
|
if (($area ne '') && ($trole ne '')) { |
|
my $spec=$trole.'.'.$area; |
|
my ($tdummy,$tdomain,$trest)=split(/\//,$area); |
|
if ($trole =~ /^cr\//) { |
|
&custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); |
|
} elsif ($trole eq 'gr') { |
|
&group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart); |
|
} else { |
|
&standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); |
|
} |
} |
} |
if ($tstart!=0) { |
} |
if ($tstart>$now) { |
} |
$trole=''; |
my ($author,$adv) = &set_userprivs(\%userroles,\%allroles,\%allgroups); |
} |
$userroles{'user.adv'} = $adv; |
|
$userroles{'user.author'} = $author; |
|
$env{'user.adv'}=$adv; |
|
} |
|
return \%userroles; |
|
} |
|
|
|
sub set_arearole { |
|
my ($trole,$area,$tstart,$tend,$domain,$username) = @_; |
|
# log the associated role with the area |
|
&userrolelog($trole,$username,$domain,$area,$tstart,$tend); |
|
return ('user.role.'.$trole.'.'.$area => $tstart.'.'.$tend); |
|
} |
|
|
|
sub custom_roleprivs { |
|
my ($allroles,$trole,$tdomain,$trest,$spec,$area) = @_; |
|
my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); |
|
my $homsvr=homeserver($rauthor,$rdomain); |
|
if (&hostname($homsvr) ne '') { |
|
my ($rdummy,$roledef)= |
|
&get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); |
|
if (($rdummy ne 'con_lost') && ($roledef ne '')) { |
|
my ($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef); |
|
if (defined($syspriv)) { |
|
$$allroles{'cm./'}.=':'.$syspriv; |
|
$$allroles{$spec.'./'}.=':'.$syspriv; |
} |
} |
if (($area ne '') && ($trole ne '')) { |
if ($tdomain ne '') { |
my $spec=$trole.'.'.$area; |
if (defined($dompriv)) { |
my ($tdummy,$tdomain,$trest)=split(/\//,$area); |
$$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; |
if ($trole =~ /^cr\//) { |
$$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; |
my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); |
} |
my $homsvr=homeserver($rauthor,$rdomain); |
if (($trest ne '') && (defined($coursepriv))) { |
if ($hostname{$homsvr} ne '') { |
$$allroles{'cm.'.$area}.=':'.$coursepriv; |
my $roledef= |
$$allroles{$spec.'.'.$area}.=':'.$coursepriv; |
reply("get:$rdomain:$rauthor:roles:rolesdef_$rrole", |
} |
$homsvr); |
|
if (($roledef ne 'con_lost') && ($roledef ne '')) { |
|
my ($syspriv,$dompriv,$coursepriv)= |
|
split(/\_/,unescape($roledef)); |
|
$allroles{'cm./'}.=':'.$syspriv; |
|
$allroles{$spec.'./'}.=':'.$syspriv; |
|
if ($tdomain ne '') { |
|
$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; |
|
$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; |
|
if ($trest ne '') { |
|
$allroles{'cm.'.$area}.=':'.$coursepriv; |
|
$allroles{$spec.'.'.$area}.=':'.$coursepriv; |
|
} |
|
} |
|
} |
|
} |
|
} else { |
|
$allroles{'cm./'}.=':'.$pr{$trole.':s'}; |
|
$allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; |
|
if ($tdomain ne '') { |
|
$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; |
|
$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; |
|
if ($trest ne '') { |
|
$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; |
|
$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; |
|
} |
|
} |
|
} |
|
} |
} |
} |
} |
} split(/&/,$rolesdump); |
} |
my $adv=0; |
} |
my $author=0; |
|
map { |
sub group_roleprivs { |
%thesepriv=(); |
my ($allgroups,$area,$group_privs,$tend,$tstart) = @_; |
if ($_!~/^st/) { $adv=1; } |
my $access = 1; |
if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } |
my $now = time; |
map { |
if (($tend!=0) && ($tend<$now)) { $access = 0; } |
if ($_ ne '') { |
if (($tstart!=0) && ($tstart>$now)) { $access=0; } |
my ($privilege,$restrictions)=split(/&/,$_); |
if ($access) { |
if ($restrictions eq '') { |
my ($course,$group) = ($area =~ m|(/$match_domain/$match_courseid)/([^/]+)$|); |
$thesepriv{$privilege}='F'; |
$$allgroups{$course}{$group} .=':'.$group_privs; |
} else { |
} |
if ($thesepriv{$privilege} ne 'F') { |
} |
$thesepriv{$privilege}.=$restrictions; |
|
} |
sub standard_roleprivs { |
|
my ($allroles,$trole,$tdomain,$spec,$trest,$area) = @_; |
|
if (defined($pr{$trole.':s'})) { |
|
$$allroles{'cm./'}.=':'.$pr{$trole.':s'}; |
|
$$allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; |
|
} |
|
if ($tdomain ne '') { |
|
if (defined($pr{$trole.':d'})) { |
|
$$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; |
|
$$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; |
|
} |
|
if (($trest ne '') && (defined($pr{$trole.':c'}))) { |
|
$$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; |
|
$$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; |
|
} |
|
} |
|
} |
|
|
|
sub set_userprivs { |
|
my ($userroles,$allroles,$allgroups) = @_; |
|
my $author=0; |
|
my $adv=0; |
|
my %grouproles = (); |
|
if (keys(%{$allgroups}) > 0) { |
|
foreach my $role (keys %{$allroles}) { |
|
my ($trole,$area,$sec,$extendedarea); |
|
if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) { |
|
$trole = $1; |
|
$area = $2; |
|
$sec = $3; |
|
$extendedarea = $area.$sec; |
|
if (exists($$allgroups{$area})) { |
|
foreach my $group (keys(%{$$allgroups{$area}})) { |
|
my $spec = $trole.'.'.$extendedarea; |
|
$grouproles{$spec.'.'.$area.'/'.$group} = |
|
$$allgroups{$area}{$group}; |
} |
} |
} |
} |
} split(/:/,$allroles{$_}); |
} |
$thesestr=''; |
} |
map { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } keys %thesepriv; |
} |
$userroles.='user.priv.'.$_.'='.$thesestr."\n"; |
foreach my $group (keys(%grouproles)) { |
} keys %allroles; |
$$allroles{$group} = $grouproles{$group}; |
$userroles.='user.adv='.$adv."\n". |
|
'user.author='.$author."\n"; |
|
$ENV{'user.adv'}=$adv; |
|
} |
} |
return $userroles; |
foreach my $role (keys(%{$allroles})) { |
|
my %thesepriv; |
|
if (($role=~/^au/) || ($role=~/^ca/)) { $author=1; } |
|
foreach my $item (split(/:/,$$allroles{$role})) { |
|
if ($item ne '') { |
|
my ($privilege,$restrictions)=split(/&/,$item); |
|
if ($restrictions eq '') { |
|
$thesepriv{$privilege}='F'; |
|
} elsif ($thesepriv{$privilege} ne 'F') { |
|
$thesepriv{$privilege}.=$restrictions; |
|
} |
|
if ($thesepriv{'adv'} eq 'F') { $adv=1; } |
|
} |
|
} |
|
my $thesestr=''; |
|
foreach my $priv (keys(%thesepriv)) { |
|
$thesestr.=':'.$priv.'&'.$thesepriv{$priv}; |
|
} |
|
$userroles->{'user.priv.'.$role} = $thesestr; |
|
} |
|
return ($author,$adv); |
} |
} |
|
|
# --------------------------------------------------------------- get interface |
# --------------------------------------------------------------- get interface |
Line 925 sub rolesinit {
|
Line 3533 sub rolesinit {
|
sub get { |
sub get { |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my $items=''; |
my $items=''; |
map { |
foreach my $item (@$storearr) { |
$items.=escape($_).'&'; |
$items.=&escape($item).'&'; |
} @$storearr; |
} |
$items=~s/\&$//; |
$items=~s/\&$//; |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
if (!$udomain) { $udomain=$env{'user.domain'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$env{'user.name'}; } |
my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
|
|
my $rep=&reply("get:$udomain:$uname:$namespace:$items",$uhome); |
my $rep=&reply("get:$udomain:$uname:$namespace:$items",$uhome); |
my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
|
if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) { |
|
return @pairs; |
|
} |
my %returnhash=(); |
my %returnhash=(); |
my $i=0; |
my $i=0; |
map { |
foreach my $item (@$storearr) { |
$returnhash{$_}=unescape($pairs[$i]); |
$returnhash{$item}=&thaw_unescape($pairs[$i]); |
$i++; |
$i++; |
} @$storearr; |
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
Line 949 sub get {
|
Line 3560 sub get {
|
sub del { |
sub del { |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my $items=''; |
my $items=''; |
map { |
foreach my $item (@$storearr) { |
$items.=escape($_).'&'; |
$items.=&escape($item).'&'; |
} @$storearr; |
} |
$items=~s/\&$//; |
$items=~s/\&$//; |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
if (!$udomain) { $udomain=$env{'user.domain'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$env{'user.name'}; } |
my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
|
|
return &reply("del:$udomain:$uname:$namespace:$items",$uhome); |
return &reply("del:$udomain:$uname:$namespace:$items",$uhome); |
Line 963 sub del {
|
Line 3574 sub del {
|
# -------------------------------------------------------------- dump interface |
# -------------------------------------------------------------- dump interface |
|
|
sub dump { |
sub dump { |
my ($namespace,$udomain,$uname)=@_; |
my ($namespace,$udomain,$uname,$regexp,$range)=@_; |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
if (!$udomain) { $udomain=$env{'user.domain'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$env{'user.name'}; } |
|
my $uhome=&homeserver($uname,$udomain); |
|
if ($regexp) { |
|
$regexp=&escape($regexp); |
|
} else { |
|
$regexp='.'; |
|
} |
|
my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); |
|
my @pairs=split(/\&/,$rep); |
|
my %returnhash=(); |
|
foreach my $item (@pairs) { |
|
my ($key,$value)=split(/=/,$item,2); |
|
$key = &unescape($key); |
|
next if ($key =~ /^error: 2 /); |
|
$returnhash{$key}=&thaw_unescape($value); |
|
} |
|
return %returnhash; |
|
} |
|
|
|
# --------------------------------------------------------- dumpstore interface |
|
|
|
sub dumpstore { |
|
my ($namespace,$udomain,$uname,$regexp,$range)=@_; |
|
if (!$udomain) { $udomain=$env{'user.domain'}; } |
|
if (!$uname) { $uname=$env{'user.name'}; } |
my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
my $rep=reply("dump:$udomain:$uname:$namespace",$uhome); |
if ($regexp) { |
|
$regexp=&escape($regexp); |
|
} else { |
|
$regexp='.'; |
|
} |
|
my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); |
my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
my %returnhash=(); |
my %returnhash=(); |
map { |
foreach my $item (@pairs) { |
my ($key,$value)=split(/=/,$_); |
my ($key,$value)=split(/=/,$item,2); |
$returnhash{unescape($key)}=unescape($value); |
next if ($key =~ /^error: 2 /); |
} @pairs; |
$returnhash{$key}=&thaw_unescape($value); |
|
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
|
# -------------------------------------------------------------- keys interface |
|
|
|
sub getkeys { |
|
my ($namespace,$udomain,$uname)=@_; |
|
if (!$udomain) { $udomain=$env{'user.domain'}; } |
|
if (!$uname) { $uname=$env{'user.name'}; } |
|
my $uhome=&homeserver($uname,$udomain); |
|
my $rep=reply("keys:$udomain:$uname:$namespace",$uhome); |
|
my @keyarray=(); |
|
foreach my $key (split(/\&/,$rep)) { |
|
next if ($key =~ /^error: 2 /); |
|
push(@keyarray,&unescape($key)); |
|
} |
|
return @keyarray; |
|
} |
|
|
|
# --------------------------------------------------------------- currentdump |
|
sub currentdump { |
|
my ($courseid,$sdom,$sname)=@_; |
|
$courseid = $env{'request.course.id'} if (! defined($courseid)); |
|
$sdom = $env{'user.domain'} if (! defined($sdom)); |
|
$sname = $env{'user.name'} if (! defined($sname)); |
|
my $uhome = &homeserver($sname,$sdom); |
|
my $rep=reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome); |
|
return if ($rep =~ /^(error:|no_such_host)/); |
|
# |
|
my %returnhash=(); |
|
# |
|
if ($rep eq "unknown_cmd") { |
|
# an old lond will not know currentdump |
|
# Do a dump and make it look like a currentdump |
|
my @tmp = &dumpstore($courseid,$sdom,$sname,'.'); |
|
return if ($tmp[0] =~ /^(error:|no_such_host)/); |
|
my %hash = @tmp; |
|
@tmp=(); |
|
%returnhash = %{&convert_dump_to_currentdump(\%hash)}; |
|
} else { |
|
my @pairs=split(/\&/,$rep); |
|
foreach my $pair (@pairs) { |
|
my ($key,$value)=split(/=/,$pair,2); |
|
my ($symb,$param) = split(/:/,$key); |
|
$returnhash{&unescape($symb)}->{&unescape($param)} = |
|
&thaw_unescape($value); |
|
} |
|
} |
|
return %returnhash; |
|
} |
|
|
|
sub convert_dump_to_currentdump{ |
|
my %hash = %{shift()}; |
|
my %returnhash; |
|
# Code ripped from lond, essentially. The only difference |
|
# here is the unescaping done by lonnet::dump(). Conceivably |
|
# we might run in to problems with parameter names =~ /^v\./ |
|
while (my ($key,$value) = each(%hash)) { |
|
my ($v,$symb,$param) = split(/:/,$key); |
|
$symb = &unescape($symb); |
|
$param = &unescape($param); |
|
next if ($v eq 'version' || $symb eq 'keys'); |
|
next if (exists($returnhash{$symb}) && |
|
exists($returnhash{$symb}->{$param}) && |
|
$returnhash{$symb}->{'v.'.$param} > $v); |
|
$returnhash{$symb}->{$param}=$value; |
|
$returnhash{$symb}->{'v.'.$param}=$v; |
|
} |
|
# |
|
# Remove all of the keys in the hashes which keep track of |
|
# the version of the parameter. |
|
while (my ($symb,$param_hash) = each(%returnhash)) { |
|
# use a foreach because we are going to delete from the hash. |
|
foreach my $key (keys(%$param_hash)) { |
|
delete($param_hash->{$key}) if ($key =~ /^v\./); |
|
} |
|
} |
|
return \%returnhash; |
|
} |
|
|
|
# ------------------------------------------------------ critical inc interface |
|
|
|
sub cinc { |
|
return &inc(@_,'critical'); |
|
} |
|
|
|
# --------------------------------------------------------------- inc interface |
|
|
|
sub inc { |
|
my ($namespace,$store,$udomain,$uname,$critical) = @_; |
|
if (!$udomain) { $udomain=$env{'user.domain'}; } |
|
if (!$uname) { $uname=$env{'user.name'}; } |
|
my $uhome=&homeserver($uname,$udomain); |
|
my $items=''; |
|
if (! ref($store)) { |
|
# got a single value, so use that instead |
|
$items = &escape($store).'=&'; |
|
} elsif (ref($store) eq 'SCALAR') { |
|
$items = &escape($$store).'=&'; |
|
} elsif (ref($store) eq 'ARRAY') { |
|
$items = join('=&',map {&escape($_);} @{$store}); |
|
} elsif (ref($store) eq 'HASH') { |
|
while (my($key,$value) = each(%{$store})) { |
|
$items.= &escape($key).'='.&escape($value).'&'; |
|
} |
|
} |
|
$items=~s/\&$//; |
|
if ($critical) { |
|
return &critical("inc:$udomain:$uname:$namespace:$items",$uhome); |
|
} else { |
|
return &reply("inc:$udomain:$uname:$namespace:$items",$uhome); |
|
} |
|
} |
|
|
# --------------------------------------------------------------- put interface |
# --------------------------------------------------------------- put interface |
|
|
sub put { |
sub put { |
my ($namespace,%storehash)=@_; |
my ($namespace,$storehash,$udomain,$uname)=@_; |
|
if (!$udomain) { $udomain=$env{'user.domain'}; } |
|
if (!$uname) { $uname=$env{'user.name'}; } |
|
my $uhome=&homeserver($uname,$udomain); |
my $items=''; |
my $items=''; |
map { |
foreach my $item (keys(%$storehash)) { |
$items.=escape($_).'='.escape($storehash{$_}).'&'; |
$items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; |
} keys %storehash; |
} |
$items=~s/\&$//; |
$items=~s/\&$//; |
return reply("put:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace:$items", |
return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
$ENV{'user.home'}); |
} |
|
|
|
# ------------------------------------------------------------ newput interface |
|
|
|
sub newput { |
|
my ($namespace,$storehash,$udomain,$uname)=@_; |
|
if (!$udomain) { $udomain=$env{'user.domain'}; } |
|
if (!$uname) { $uname=$env{'user.name'}; } |
|
my $uhome=&homeserver($uname,$udomain); |
|
my $items=''; |
|
foreach my $key (keys(%$storehash)) { |
|
$items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; |
|
} |
|
$items=~s/\&$//; |
|
return &reply("newput:$udomain:$uname:$namespace:$items",$uhome); |
|
} |
|
|
|
# --------------------------------------------------------- putstore interface |
|
|
|
sub putstore { |
|
my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; |
|
if (!$udomain) { $udomain=$env{'user.domain'}; } |
|
if (!$uname) { $uname=$env{'user.name'}; } |
|
my $uhome=&homeserver($uname,$udomain); |
|
my $items=''; |
|
foreach my $key (keys(%$storehash)) { |
|
$items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&'; |
|
} |
|
$items=~s/\&$//; |
|
my $esc_symb=&escape($symb); |
|
my $esc_v=&escape($version); |
|
my $reply = |
|
&reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items", |
|
$uhome); |
|
if ($reply eq 'unknown_cmd') { |
|
# gfall back to way things use to be done |
|
return &old_putstore($namespace,$symb,$version,$storehash,$udomain, |
|
$uname); |
|
} |
|
return $reply; |
|
} |
|
|
|
sub old_putstore { |
|
my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; |
|
if (!$udomain) { $udomain=$env{'user.domain'}; } |
|
if (!$uname) { $uname=$env{'user.name'}; } |
|
my $uhome=&homeserver($uname,$udomain); |
|
my %newstorehash; |
|
foreach my $item (keys(%$storehash)) { |
|
my $key = $version.':'.&escape($symb).':'.$item; |
|
$newstorehash{$key} = $storehash->{$item}; |
|
} |
|
my $items=''; |
|
my %allitems = (); |
|
foreach my $item (keys(%newstorehash)) { |
|
if ($item =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) { |
|
my $key = $1.':keys:'.$2; |
|
$allitems{$key} .= $3.':'; |
|
} |
|
$items.=$item.'='.&freeze_escape($newstorehash{$item}).'&'; |
|
} |
|
foreach my $item (keys(%allitems)) { |
|
$allitems{$item} =~ s/\:$//; |
|
$items.= $item.'='.$allitems{$item}.'&'; |
|
} |
|
$items=~s/\&$//; |
|
return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
} |
} |
|
|
# ------------------------------------------------------ critical put interface |
# ------------------------------------------------------ critical put interface |
|
|
sub cput { |
sub cput { |
my ($namespace,%storehash)=@_; |
my ($namespace,$storehash,$udomain,$uname)=@_; |
|
if (!$udomain) { $udomain=$env{'user.domain'}; } |
|
if (!$uname) { $uname=$env{'user.name'}; } |
|
my $uhome=&homeserver($uname,$udomain); |
my $items=''; |
my $items=''; |
map { |
foreach my $item (keys(%$storehash)) { |
$items.=escape($_).'='.escape($storehash{$_}).'&'; |
$items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; |
} keys %storehash; |
} |
$items=~s/\&$//; |
$items=~s/\&$//; |
return critical |
return &critical("put:$udomain:$uname:$namespace:$items",$uhome); |
("put:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace:$items", |
|
$ENV{'user.home'}); |
|
} |
} |
|
|
# -------------------------------------------------------------- eget interface |
# -------------------------------------------------------------- eget interface |
Line 1009 sub cput {
|
Line 3831 sub cput {
|
sub eget { |
sub eget { |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my $items=''; |
my $items=''; |
map { |
foreach my $item (@$storearr) { |
$items.=escape($_).'&'; |
$items.=&escape($item).'&'; |
} @$storearr; |
} |
$items=~s/\&$//; |
$items=~s/\&$//; |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
if (!$udomain) { $udomain=$env{'user.domain'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$env{'user.name'}; } |
my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
my $rep=&reply("eget:$udomain:$uname:$namespace:$items",$uhome); |
my $rep=&reply("eget:$udomain:$uname:$namespace:$items",$uhome); |
my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
my %returnhash=(); |
my %returnhash=(); |
my $i=0; |
my $i=0; |
map { |
foreach my $item (@$storearr) { |
$returnhash{$_}=unescape($pairs[$i]); |
$returnhash{$item}=&thaw_unescape($pairs[$i]); |
$i++; |
$i++; |
} @$storearr; |
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
|
# ------------------------------------------------------------ tmpput interface |
|
sub tmpput { |
|
my ($storehash,$server,$context)=@_; |
|
my $items=''; |
|
foreach my $item (keys(%$storehash)) { |
|
$items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; |
|
} |
|
$items=~s/\&$//; |
|
if (defined($context)) { |
|
$items .= ':'.&escape($context); |
|
} |
|
return &reply("tmpput:$items",$server); |
|
} |
|
|
|
# ------------------------------------------------------------ tmpget interface |
|
sub tmpget { |
|
my ($token,$server)=@_; |
|
if (!defined($server)) { $server = $perlvar{'lonHostID'}; } |
|
my $rep=&reply("tmpget:$token",$server); |
|
my %returnhash; |
|
foreach my $item (split(/\&/,$rep)) { |
|
my ($key,$value)=split(/=/,$item); |
|
$returnhash{&unescape($key)}=&thaw_unescape($value); |
|
} |
|
return %returnhash; |
|
} |
|
|
|
# ------------------------------------------------------------ tmpget interface |
|
sub tmpdel { |
|
my ($token,$server)=@_; |
|
if (!defined($server)) { $server = $perlvar{'lonHostID'}; } |
|
return &reply("tmpdel:$token",$server); |
|
} |
|
|
|
# -------------------------------------------------- portfolio access checking |
|
|
|
sub portfolio_access { |
|
my ($requrl) = @_; |
|
my (undef,$udom,$unum,$file_name,$group) = &parse_portfolio_url($requrl); |
|
my $result = &get_portfolio_access($udom,$unum,$file_name,$group); |
|
if ($result) { |
|
my %setters; |
|
if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { |
|
my ($startblock,$endblock) = |
|
&Apache::loncommon::blockcheck(\%setters,'port',$unum,$udom); |
|
if ($startblock && $endblock) { |
|
return 'B'; |
|
} |
|
} else { |
|
my ($startblock,$endblock) = |
|
&Apache::loncommon::blockcheck(\%setters,'port'); |
|
if ($startblock && $endblock) { |
|
return 'B'; |
|
} |
|
} |
|
} |
|
if ($result eq 'ok') { |
|
return 'F'; |
|
} elsif ($result =~ /^[^:]+:guest_/) { |
|
return 'A'; |
|
} |
|
return ''; |
|
} |
|
|
|
sub get_portfolio_access { |
|
my ($udom,$unum,$file_name,$group,$access_hash) = @_; |
|
|
|
if (!ref($access_hash)) { |
|
my $current_perms = &get_portfile_permissions($udom,$unum); |
|
my %access_controls = &get_access_controls($current_perms,$group, |
|
$file_name); |
|
$access_hash = $access_controls{$file_name}; |
|
} |
|
|
|
my ($public,$guest,@domains,@users,@courses,@groups); |
|
my $now = time; |
|
if (ref($access_hash) eq 'HASH') { |
|
foreach my $key (keys(%{$access_hash})) { |
|
my ($num,$scope,$end,$start) = ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); |
|
if ($start > $now) { |
|
next; |
|
} |
|
if ($end && $end<$now) { |
|
next; |
|
} |
|
if ($scope eq 'public') { |
|
$public = $key; |
|
last; |
|
} elsif ($scope eq 'guest') { |
|
$guest = $key; |
|
} elsif ($scope eq 'domains') { |
|
push(@domains,$key); |
|
} elsif ($scope eq 'users') { |
|
push(@users,$key); |
|
} elsif ($scope eq 'course') { |
|
push(@courses,$key); |
|
} elsif ($scope eq 'group') { |
|
push(@groups,$key); |
|
} |
|
} |
|
if ($public) { |
|
return 'ok'; |
|
} |
|
if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { |
|
if ($guest) { |
|
return $guest; |
|
} |
|
} else { |
|
if (@domains > 0) { |
|
foreach my $domkey (@domains) { |
|
if (ref($access_hash->{$domkey}{'dom'}) eq 'ARRAY') { |
|
if (grep(/^\Q$env{'user.domain'}\E$/,@{$access_hash->{$domkey}{'dom'}})) { |
|
return 'ok'; |
|
} |
|
} |
|
} |
|
} |
|
if (@users > 0) { |
|
foreach my $userkey (@users) { |
|
if (ref($access_hash->{$userkey}{'users'}) eq 'ARRAY') { |
|
foreach my $item (@{$access_hash->{$userkey}{'users'}}) { |
|
if (ref($item) eq 'HASH') { |
|
if (($item->{'uname'} eq $env{'user.name'}) && |
|
($item->{'udom'} eq $env{'user.domain'})) { |
|
return 'ok'; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
my %roleshash; |
|
my @courses_and_groups = @courses; |
|
push(@courses_and_groups,@groups); |
|
if (@courses_and_groups > 0) { |
|
my (%allgroups,%allroles); |
|
my ($start,$end,$role,$sec,$group); |
|
foreach my $envkey (%env) { |
|
if ($envkey =~ m-^user\.role\.(gr|cc|in|ta|ep|st)\./($match_domain)/($match_courseid)/?([^/]*)$-) { |
|
my $cid = $2.'_'.$3; |
|
if ($1 eq 'gr') { |
|
$group = $4; |
|
$allgroups{$cid}{$group} = $env{$envkey}; |
|
} else { |
|
if ($4 eq '') { |
|
$sec = 'none'; |
|
} else { |
|
$sec = $4; |
|
} |
|
$allroles{$cid}{$1}{$sec} = $env{$envkey}; |
|
} |
|
} elsif ($envkey =~ m-^user\.role\./cr/($match_domain/$match_username/\w*)./($match_domain)/($match_courseid)/?([^/]*)$-) { |
|
my $cid = $2.'_'.$3; |
|
if ($4 eq '') { |
|
$sec = 'none'; |
|
} else { |
|
$sec = $4; |
|
} |
|
$allroles{$cid}{$1}{$sec} = $env{$envkey}; |
|
} |
|
} |
|
if (keys(%allroles) == 0) { |
|
return; |
|
} |
|
foreach my $key (@courses_and_groups) { |
|
my %content = %{$$access_hash{$key}}; |
|
my $cnum = $content{'number'}; |
|
my $cdom = $content{'domain'}; |
|
my $cid = $cdom.'_'.$cnum; |
|
if (!exists($allroles{$cid})) { |
|
next; |
|
} |
|
foreach my $role_id (keys(%{$content{'roles'}})) { |
|
my @sections = @{$content{'roles'}{$role_id}{'section'}}; |
|
my @groups = @{$content{'roles'}{$role_id}{'group'}}; |
|
my @status = @{$content{'roles'}{$role_id}{'access'}}; |
|
my @roles = @{$content{'roles'}{$role_id}{'role'}}; |
|
foreach my $role (keys(%{$allroles{$cid}})) { |
|
if ((grep/^all$/,@roles) || (grep/^\Q$role\E$/,@roles)) { |
|
foreach my $sec (keys(%{$allroles{$cid}{$role}})) { |
|
if (&course_group_datechecker($allroles{$cid}{$role}{$sec},$now,\@status) eq 'ok') { |
|
if (grep/^all$/,@sections) { |
|
return 'ok'; |
|
} else { |
|
if (grep/^$sec$/,@sections) { |
|
return 'ok'; |
|
} |
|
} |
|
} |
|
} |
|
if (keys(%{$allgroups{$cid}}) == 0) { |
|
if (grep/^none$/,@groups) { |
|
return 'ok'; |
|
} |
|
} else { |
|
if (grep/^all$/,@groups) { |
|
return 'ok'; |
|
} |
|
foreach my $group (keys(%{$allgroups{$cid}})) { |
|
if (grep/^$group$/,@groups) { |
|
return 'ok'; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
if ($guest) { |
|
return $guest; |
|
} |
|
} |
|
} |
|
return; |
|
} |
|
|
|
sub course_group_datechecker { |
|
my ($dates,$now,$status) = @_; |
|
my ($start,$end) = split(/\./,$dates); |
|
if (!$start && !$end) { |
|
return 'ok'; |
|
} |
|
if (grep/^active$/,@{$status}) { |
|
if (((!$start) || ($start && $start <= $now)) && ((!$end) || ($end && $end >= $now))) { |
|
return 'ok'; |
|
} |
|
} |
|
if (grep/^previous$/,@{$status}) { |
|
if ($end > $now ) { |
|
return 'ok'; |
|
} |
|
} |
|
if (grep/^future$/,@{$status}) { |
|
if ($start > $now) { |
|
return 'ok'; |
|
} |
|
} |
|
return; |
|
} |
|
|
|
sub parse_portfolio_url { |
|
my ($url) = @_; |
|
|
|
my ($type,$udom,$unum,$group,$file_name); |
|
|
|
if ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_username)/portfolio(/.+)$-) { |
|
$type = 1; |
|
$udom = $1; |
|
$unum = $2; |
|
$file_name = $3; |
|
} elsif ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_courseid)/groups/([^/]+)/portfolio/(.+)$-) { |
|
$type = 2; |
|
$udom = $1; |
|
$unum = $2; |
|
$group = $3; |
|
$file_name = $3.'/'.$4; |
|
} |
|
if (wantarray) { |
|
return ($type,$udom,$unum,$file_name,$group); |
|
} |
|
return $type; |
|
} |
|
|
|
sub is_portfolio_url { |
|
my ($url) = @_; |
|
return scalar(&parse_portfolio_url($url)); |
|
} |
|
|
|
sub is_portfolio_file { |
|
my ($file) = @_; |
|
if (($file =~ /^portfolio/) || ($file =~ /^groups\/\w+\/portfolio/)) { |
|
return 1; |
|
} |
|
return; |
|
} |
|
|
|
|
|
# ---------------------------------------------- Custom access rule evaluation |
|
|
|
sub customaccess { |
|
my ($priv,$uri)=@_; |
|
my ($urole,$urealm)=split(/\./,$env{'request.role'},2); |
|
my (undef,$udom,$ucrs,$usec)=split(/\//,$urealm); |
|
$udom = &LONCAPA::clean_domain($udom); |
|
$ucrs = &LONCAPA::clean_username($ucrs); |
|
my $access=0; |
|
foreach my $right (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) { |
|
my ($effect,$realm,$role,$type)=split(/\:/,$right); |
|
if ($type eq 'user') { |
|
foreach my $scope (split(/\s*\,\s*/,$realm)) { |
|
my ($tdom,$tuname)=split(m{/},$scope); |
|
if ($tdom) { |
|
if ($tdom ne $env{'user.domain'}) { next; } |
|
} |
|
if ($tuname) { |
|
if ($tuname ne $env{'user.name'}) { next; } |
|
} |
|
$access=($effect eq 'allow'); |
|
last; |
|
} |
|
} else { |
|
if ($role) { |
|
if ($role ne $urole) { next; } |
|
} |
|
foreach my $scope (split(/\s*\,\s*/,$realm)) { |
|
my ($tdom,$tcrs,$tsec)=split(/\_/,$scope); |
|
if ($tdom) { |
|
if ($tdom ne $udom) { next; } |
|
} |
|
if ($tcrs) { |
|
if ($tcrs ne $ucrs) { next; } |
|
} |
|
if ($tsec) { |
|
if ($tsec ne $usec) { next; } |
|
} |
|
$access=($effect eq 'allow'); |
|
last; |
|
} |
|
if ($realm eq '' && $role eq '') { |
|
$access=($effect eq 'allow'); |
|
} |
|
} |
|
} |
|
return $access; |
|
} |
|
|
# ------------------------------------------------- Check for a user privilege |
# ------------------------------------------------- Check for a user privilege |
|
|
sub allowed { |
sub allowed { |
my ($priv,$uri)=@_; |
my ($priv,$uri,$symb,$role)=@_; |
|
my $ver_orguri=$uri; |
|
$uri=&deversion($uri); |
|
my $orguri=$uri; |
$uri=&declutter($uri); |
$uri=&declutter($uri); |
|
|
# Free bre access to adm and meta resources |
if ($priv eq 'evb') { |
|
# Evade communication block restrictions for specified role in a course |
|
if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) { |
|
return $1; |
|
} else { |
|
return; |
|
} |
|
} |
|
|
if ((($uri=~/^adm\//) || ($uri=~/\.meta$/)) && ($priv eq 'bre')) { |
if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; } |
|
# Free bre access to adm and meta resources |
|
if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard)$})) |
|
|| (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) )) |
|
&& ($priv eq 'bre')) { |
return 'F'; |
return 'F'; |
} |
} |
|
|
|
# Free bre access to user's own portfolio contents |
|
my ($space,$domain,$name,@dir)=split('/',$uri); |
|
if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) && |
|
($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) { |
|
my %setters; |
|
my ($startblock,$endblock) = |
|
&Apache::loncommon::blockcheck(\%setters,'port'); |
|
if ($startblock && $endblock) { |
|
return 'B'; |
|
} else { |
|
return 'F'; |
|
} |
|
} |
|
|
|
# bre access to group portfolio for rgf priv in group, or mdg or vcg in course. |
|
if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups') |
|
&& ($dir[2] eq 'portfolio') && ($priv eq 'bre')) { |
|
if (exists($env{'request.course.id'})) { |
|
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
|
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
|
if (($domain eq $cdom) && ($name eq $cnum)) { |
|
my $courseprivid=$env{'request.course.id'}; |
|
$courseprivid=~s/\_/\//; |
|
if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid |
|
.'/'.$dir[1]} =~/rgf\&([^\:]*)/) { |
|
return $1; |
|
} else { |
|
if ($env{'request.course.sec'}) { |
|
$courseprivid.='/'.$env{'request.course.sec'}; |
|
} |
|
if ($env{'user.priv.'.$env{'request.role'}.'./'. |
|
$courseprivid} =~/(mdg|vcg)\&([^\:]*)/) { |
|
return $2; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
# Free bre to public access |
|
|
|
if ($priv eq 'bre') { |
|
my $copyright=&metadata($uri,'copyright'); |
|
if (($copyright eq 'public') && (!$env{'request.course.id'})) { |
|
return 'F'; |
|
} |
|
if ($copyright eq 'priv') { |
|
$uri=~/([^\/]+)\/([^\/]+)\//; |
|
unless (($env{'user.name'} eq $2) && ($env{'user.domain'} eq $1)) { |
|
return ''; |
|
} |
|
} |
|
if ($copyright eq 'domain') { |
|
$uri=~/([^\/]+)\/([^\/]+)\//; |
|
unless (($env{'user.domain'} eq $1) || |
|
($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1)) { |
|
return ''; |
|
} |
|
} |
|
if ($env{'request.role'}=~ /li\.\//) { |
|
# Library role, so allow browsing of resources in this domain. |
|
return 'F'; |
|
} |
|
if ($copyright eq 'custom') { |
|
unless (&customaccess($priv,$uri)) { return ''; } |
|
} |
|
} |
|
# Domain coordinator is trying to create a course |
|
if (($priv eq 'ccc') && ($env{'request.role'} =~ /^dc\./)) { |
|
# uri is the requested domain in this case. |
|
# comparison to 'request.role.domain' shows if the user has selected |
|
# a role of dc for the domain in question. |
|
return 'F' if ($uri eq $env{'request.role.domain'}); |
|
} |
|
|
my $thisallowed=''; |
my $thisallowed=''; |
my $statecond=0; |
my $statecond=0; |
my $courseprivid=''; |
my $courseprivid=''; |
|
|
# Course |
# Course |
|
|
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'}=~/$priv\&([^\:]*)/) { |
if ($env{'user.priv.'.$env{'request.role'}.'./'}=~/\Q$priv\E\&([^\:]*)/) { |
$thisallowed.=$1; |
$thisallowed.=$1; |
} |
} |
|
|
# Domain |
# Domain |
|
|
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.(split(/\//,$uri))[0].'/'} |
if ($env{'user.priv.'.$env{'request.role'}.'./'.(split(/\//,$uri))[0].'/'} |
=~/$priv\&([^\:]*)/) { |
=~/\Q$priv\E\&([^\:]*)/) { |
$thisallowed.=$1; |
$thisallowed.=$1; |
} |
} |
|
|
Line 1061 sub allowed {
|
Line 4299 sub allowed {
|
$courseuri=~s/\_(\d)/\/$1/; |
$courseuri=~s/\_(\d)/\/$1/; |
$courseuri=~s/^([^\/])/\/$1/; |
$courseuri=~s/^([^\/])/\/$1/; |
|
|
if ($ENV{'user.priv.'.$ENV{'request.role'}.'.'.$courseuri} |
if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseuri} |
=~/$priv\&([^\:]*)/) { |
=~/\Q$priv\E\&([^\:]*)/) { |
$thisallowed.=$1; |
$thisallowed.=$1; |
} |
} |
|
|
|
# URI is an uploaded document for this course, default permissions don't matter |
|
# not allowing 'edit' access (editupload) to uploaded course docs |
|
if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) { |
|
$thisallowed=''; |
|
my ($match)=&is_on_map($uri); |
|
if ($match) { |
|
if ($env{'user.priv.'.$env{'request.role'}.'./'} |
|
=~/\Q$priv\E\&([^\:]*)/) { |
|
$thisallowed.=$1; |
|
} |
|
} else { |
|
my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri}; |
|
if ($refuri) { |
|
if ($refuri =~ m|^/adm/|) { |
|
$thisallowed='F'; |
|
} else { |
|
$refuri=&declutter($refuri); |
|
my ($match) = &is_on_map($refuri); |
|
if ($match) { |
|
$thisallowed='F'; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
if ($priv eq 'bre' |
|
&& $thisallowed ne 'F' |
|
&& $thisallowed ne '2' |
|
&& &is_portfolio_url($uri)) { |
|
$thisallowed = &portfolio_access($uri); |
|
} |
|
|
# Full access at system, domain or course-wide level? Exit. |
# Full access at system, domain or course-wide level? Exit. |
|
|
if ($thisallowed=~/F/) { |
if ($thisallowed=~/F/) { |
Line 1074 sub allowed {
|
Line 4345 sub allowed {
|
|
|
# If this is generating or modifying users, exit with special codes |
# If this is generating or modifying users, exit with special codes |
|
|
if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:'=~/\:$priv\:/) { |
if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:caa:'=~/\:\Q$priv\E\:/) { |
|
if (($priv eq 'cca') || ($priv eq 'caa')) { |
|
my ($audom,$auname)=split('/',$uri); |
|
# no author name given, so this just checks on the general right to make a co-author in this domain |
|
unless ($auname) { return $thisallowed; } |
|
# an author name is given, so we are about to actually make a co-author for a certain account |
|
if (($auname ne $env{'user.name'} && $env{'request.role'} !~ /^dc\./) || |
|
(($audom ne $env{'user.domain'} && $env{'request.role'} !~ /^dc\./) && |
|
($audom ne $env{'request.role.domain'}))) { return ''; } |
|
} |
return $thisallowed; |
return $thisallowed; |
} |
} |
# |
# |
Line 1083 sub allowed {
|
Line 4363 sub allowed {
|
# Course: See if uri or referer is an individual resource that is part of |
# Course: See if uri or referer is an individual resource that is part of |
# the course |
# the course |
|
|
if ($ENV{'request.course.id'}) { |
if ($env{'request.course.id'}) { |
$courseprivid=$ENV{'request.course.id'}; |
|
if ($ENV{'request.course.sec'}) { |
$courseprivid=$env{'request.course.id'}; |
$courseprivid.='/'.$ENV{'request.course.sec'}; |
if ($env{'request.course.sec'}) { |
|
$courseprivid.='/'.$env{'request.course.sec'}; |
} |
} |
$courseprivid=~s/\_/\//; |
$courseprivid=~s/\_/\//; |
my $checkreferer=1; |
my $checkreferer=1; |
my @uriparts=split(/\//,$uri); |
my ($match,$cond)=&is_on_map($uri); |
my $filename=$uriparts[$#uriparts]; |
if ($match) { |
my $pathname=$uri; |
$statecond=$cond; |
$pathname=~s/\/$filename$//; |
if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} |
if ($ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~ |
=~/\Q$priv\E\&([^\:]*)/) { |
/\&$filename\:([\d\|]+)\&/) { |
|
$statecond=$1; |
|
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid} |
|
=~/$priv\&([^\:]*)/) { |
|
$thisallowed.=$1; |
$thisallowed.=$1; |
$checkreferer=0; |
$checkreferer=0; |
} |
} |
} |
} |
|
|
if (($ENV{'HTTP_REFERER'}) && ($checkreferer)) { |
if ($checkreferer) { |
my $refuri=$ENV{'HTTP_REFERER'}; |
my $refuri=$env{'httpref.'.$orguri}; |
$refuri=~s/^http\:\/\/$ENV{'request.host'}//i; |
unless ($refuri) { |
$refuri=&declutter($refuri); |
foreach my $key (keys(%env)) { |
my @uriparts=split(/\//,$refuri); |
if ($key=~/^httpref\..*\*/) { |
my $filename=$uriparts[$#uriparts]; |
my $pattern=$key; |
my $pathname=$refuri; |
$pattern=~s/^httpref\.\/res\///; |
$pathname=~s/\/$filename$//; |
$pattern=~s/\*/\[\^\/\]\+/g; |
my @filenameparts=split(/\./,$uri); |
$pattern=~s/\//\\\//g; |
if (&fileembstyle($filenameparts[$#filenameparts]) ne 'ssi') { |
if ($orguri=~/$pattern/) { |
if ($ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~ |
$refuri=$env{$key}; |
/\&$filename\:([\d\|]+)\&/) { |
} |
my $refstatecond=$1; |
} |
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid} |
} |
=~/$priv\&([^\:]*)/) { |
} |
|
|
|
if ($refuri) { |
|
$refuri=&declutter($refuri); |
|
my ($match,$cond)=&is_on_map($refuri); |
|
if ($match) { |
|
my $refstatecond=$cond; |
|
if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} |
|
=~/\Q$priv\E\&([^\:]*)/) { |
$thisallowed.=$1; |
$thisallowed.=$1; |
$uri=$refuri; |
$uri=$refuri; |
$statecond=$refstatecond; |
$statecond=$refstatecond; |
} |
} |
} |
|
} |
} |
|
} |
} |
} |
} |
} |
|
|
Line 1157 sub allowed {
|
Line 4442 sub allowed {
|
|
|
my $envkey; |
my $envkey; |
if ($thisallowed=~/L/) { |
if ($thisallowed=~/L/) { |
foreach $envkey (keys %ENV) { |
foreach $envkey (keys %env) { |
if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) { |
if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) { |
my $courseid=$2; |
my $courseid=$2; |
my $roleid=$1.'.'.$2; |
my $roleid=$1.'.'.$2; |
$courseid=~s/^\///; |
$courseid=~s/^\///; |
my $expiretime=600; |
my $expiretime=600; |
if ($ENV{'request.role'} eq $roleid) { |
if ($env{'request.role'} eq $roleid) { |
$expiretime=120; |
$expiretime=120; |
} |
} |
my ($cdom,$cnum,$csec)=split(/\//,$courseid); |
my ($cdom,$cnum,$csec)=split(/\//,$courseid); |
my $prefix='course.'.$cdom.'_'.$cnum.'.'; |
my $prefix='course.'.$cdom.'_'.$cnum.'.'; |
if ((time-$ENV{$prefix.'last_cache'})>$expiretime) { |
if ((time-$env{$prefix.'last_cache'})>$expiretime) { |
&coursedescription($courseid); |
&coursedescription($courseid,{'freshen_cache' => 1}); |
} |
} |
if (($ENV{$prefix.'res.'.$uri.'.lock.sections'}=~/\,$csec\,/) |
if (($env{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/) |
|| ($ENV{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) { |
|| ($env{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) { |
if ($ENV{$prefix.'res.'.$uri.'.lock.expire'}>time) { |
if ($env{$prefix.'res.'.$uri.'.lock.expire'}>time) { |
&log($ENV{'user.domain'},$ENV{'user.name'}, |
&log($env{'user.domain'},$env{'user.name'}, |
$ENV{'user.host'}, |
$env{'user.home'}, |
'Locked by res: '.$priv.' for '.$uri.' due to '. |
'Locked by res: '.$priv.' for '.$uri.' due to '. |
$cdom.'/'.$cnum.'/'.$csec.' expire '. |
$cdom.'/'.$cnum.'/'.$csec.' expire '. |
$ENV{$prefix.'priv.'.$priv.'.lock.expire'}); |
$env{$prefix.'priv.'.$priv.'.lock.expire'}); |
return ''; |
return ''; |
} |
} |
} |
} |
if (($ENV{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,$csec\,/) |
if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/) |
|| ($ENV{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) { |
|| ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) { |
if ($ENV{'priv.'.$priv.'.lock.expire'}>time) { |
if ($env{'priv.'.$priv.'.lock.expire'}>time) { |
&log($ENV{'user.domain'},$ENV{'user.name'}, |
&log($env{'user.domain'},$env{'user.name'}, |
$ENV{'user.host'}, |
$env{'user.home'}, |
'Locked by priv: '.$priv.' for '.$uri.' due to '. |
'Locked by priv: '.$priv.' for '.$uri.' due to '. |
$cdom.'/'.$cnum.'/'.$csec.' expire '. |
$cdom.'/'.$cnum.'/'.$csec.' expire '. |
$ENV{$prefix.'priv.'.$priv.'.lock.expire'}); |
$env{$prefix.'priv.'.$priv.'.lock.expire'}); |
return ''; |
return ''; |
} |
} |
} |
} |
Line 1201 sub allowed {
|
Line 4486 sub allowed {
|
# Rest of the restrictions depend on selected course |
# Rest of the restrictions depend on selected course |
# |
# |
|
|
unless ($ENV{'request.course.id'}) { |
unless ($env{'request.course.id'}) { |
return '1'; |
if ($thisallowed eq 'A') { |
|
return 'A'; |
|
} elsif ($thisallowed eq 'B') { |
|
return 'B'; |
|
} else { |
|
return '1'; |
|
} |
} |
} |
|
|
# |
# |
Line 1213 sub allowed {
|
Line 4504 sub allowed {
|
# Course preferences |
# Course preferences |
|
|
if ($thisallowed=~/C/) { |
if ($thisallowed=~/C/) { |
my $rolecode=(split(/\./,$ENV{'request.role'}))[0]; |
my $rolecode=(split(/\./,$env{'request.role'}))[0]; |
if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.roles.denied'} |
my $unamedom=$env{'user.name'}.':'.$env{'user.domain'}; |
=~/\,$rolecode\,/) { |
if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'} |
&log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, |
=~/\Q$rolecode\E/) { |
'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. |
if ($priv ne 'pch') { |
$ENV{'request.course.id'}); |
&logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. |
|
'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. |
|
$env{'request.course.id'}); |
|
} |
|
return ''; |
|
} |
|
|
|
if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'} |
|
=~/\Q$unamedom\E/) { |
|
if ($priv ne 'pch') { |
|
&logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}. |
|
'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. |
|
$env{'request.course.id'}); |
|
} |
return ''; |
return ''; |
} |
} |
} |
} |
Line 1226 sub allowed {
|
Line 4530 sub allowed {
|
# Resource preferences |
# Resource preferences |
|
|
if ($thisallowed=~/R/) { |
if ($thisallowed=~/R/) { |
my $rolecode=(split(/\./,$ENV{'request.role'}))[0]; |
my $rolecode=(split(/\./,$env{'request.role'}))[0]; |
my $filename=$perlvar{'lonDocRoot'}.'/res/'.$uri.'.meta'; |
if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) { |
if (-e $filename) { |
if ($priv ne 'pch') { |
my @content; |
&logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. |
{ |
'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); |
my $fh=Apache::File->new($filename); |
|
@content=<$fh>; |
|
} |
} |
if (join('',@content)=~ |
return ''; |
/\<roledeny[^\>]*\>[^\<]*$rolecode[^\<]*\<\/roledeny\>/) { |
|
&log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, |
|
'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); |
|
return ''; |
|
|
|
} |
|
} |
} |
} |
} |
|
|
# Restricted by state? |
# Restricted by state or randomout? |
|
|
if ($thisallowed=~/X/) { |
if ($thisallowed=~/X/) { |
|
if ($env{'acc.randomout'}) { |
|
if (!$symb) { $symb=&symbread($uri,1); } |
|
if (($symb) && ($env{'acc.randomout'}=~/\&\Q$symb\E\&/)) { |
|
return ''; |
|
} |
|
} |
if (&condval($statecond)) { |
if (&condval($statecond)) { |
return '2'; |
return '2'; |
} else { |
} else { |
Line 1254 sub allowed {
|
Line 4556 sub allowed {
|
} |
} |
} |
} |
|
|
|
if ($thisallowed eq 'A') { |
|
return 'A'; |
|
} elsif ($thisallowed eq 'B') { |
|
return 'B'; |
|
} |
return 'F'; |
return 'F'; |
} |
} |
|
|
|
sub split_uri_for_cond { |
|
my $uri=&deversion(&declutter(shift)); |
|
my @uriparts=split(/\//,$uri); |
|
my $filename=pop(@uriparts); |
|
my $pathname=join('/',@uriparts); |
|
return ($pathname,$filename); |
|
} |
|
# --------------------------------------------------- Is a resource on the map? |
|
|
|
sub is_on_map { |
|
my ($pathname,$filename) = &split_uri_for_cond(shift); |
|
#Trying to find the conditional for the file |
|
my $match=($env{'acc.res.'.$env{'request.course.id'}.'.'.$pathname}=~ |
|
/\&\Q$filename\E\:([\d\|]+)\&/); |
|
if ($match) { |
|
return (1,$1); |
|
} else { |
|
return (0,0); |
|
} |
|
} |
|
|
|
# --------------------------------------------------------- Get symb from alias |
|
|
|
sub get_symb_from_alias { |
|
my $symb=shift; |
|
my ($map,$resid,$url)=&decode_symb($symb); |
|
# Already is a symb |
|
if ($url) { return $symb; } |
|
# Must be an alias |
|
my $aliassymb=''; |
|
my %bighash; |
|
if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', |
|
&GDBM_READER(),0640)) { |
|
my $rid=$bighash{'mapalias_'.$symb}; |
|
if ($rid) { |
|
my ($mapid,$resid)=split(/\./,$rid); |
|
$aliassymb=&encode_symb($bighash{'map_id_'.$mapid}, |
|
$resid,$bighash{'src_'.$rid}); |
|
} |
|
untie %bighash; |
|
} |
|
return $aliassymb; |
|
} |
|
|
# ----------------------------------------------------------------- Define Role |
# ----------------------------------------------------------------- Define Role |
|
|
sub definerole { |
sub definerole { |
if (allowed('mcr','/')) { |
if (allowed('mcr','/')) { |
my ($rolename,$sysrole,$domrole,$courole)=@_; |
my ($rolename,$sysrole,$domrole,$courole)=@_; |
map { |
foreach my $role (split(':',$sysrole)) { |
my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$role); |
if ($pr{'cr:s'}!~/$crole/) { return "refused:s:$crole"; } |
if ($pr{'cr:s'}!~/\Q$crole\E/) { return "refused:s:$crole"; } |
if ($pr{'cr:s'}=~/$crole\&/) { |
if ($pr{'cr:s'}=~/\Q$crole\E\&/) { |
if ($pr{'cr:s'}!~/$crole\&\w*$cqual/) { |
if ($pr{'cr:s'}!~/\Q$crole\E\&\w*\Q$cqual\E/) { |
return "refused:s:$crole&$cqual"; |
return "refused:s:$crole&$cqual"; |
} |
} |
} |
} |
} split('/',$sysrole); |
} |
map { |
foreach my $role (split(':',$domrole)) { |
my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$role); |
if ($pr{'cr:d'}!~/$crole/) { return "refused:d:$crole"; } |
if ($pr{'cr:d'}!~/\Q$crole\E/) { return "refused:d:$crole"; } |
if ($pr{'cr:d'}=~/$crole\&/) { |
if ($pr{'cr:d'}=~/\Q$crole\E\&/) { |
if ($pr{'cr:d'}!~/$crole\&\w*$cqual/) { |
if ($pr{'cr:d'}!~/\Q$crole\W\&\w*\Q$cqual\E/) { |
return "refused:d:$crole&$cqual"; |
return "refused:d:$crole&$cqual"; |
} |
} |
} |
} |
} split('/',$domrole); |
} |
map { |
foreach my $role (split(':',$courole)) { |
my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$role); |
if ($pr{'cr:c'}!~/$crole/) { return "refused:c:$crole"; } |
if ($pr{'cr:c'}!~/\Q$crole\E/) { return "refused:c:$crole"; } |
if ($pr{'cr:c'}=~/$crole\&/) { |
if ($pr{'cr:c'}=~/\Q$crole\E\&/) { |
if ($pr{'cr:c'}!~/$crole\&\w*$cqual/) { |
if ($pr{'cr:c'}!~/\Q$crole\E\&\w*\Q$cqual\E/) { |
return "refused:c:$crole&$cqual"; |
return "refused:c:$crole&$cqual"; |
} |
} |
} |
} |
} split('/',$courole); |
} |
my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". |
my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:". |
"$ENV{'user.domain'}:$ENV{'user.name'}:". |
"$env{'user.domain'}:$env{'user.name'}:". |
"rolesdef_$rolename=". |
"rolesdef_$rolename=". |
escape($sysrole.'_'.$domrole.'_'.$courole); |
escape($sysrole.'_'.$domrole.'_'.$courole); |
return reply($command,$ENV{'user.home'}); |
return reply($command,$env{'user.home'}); |
} else { |
} else { |
return 'refused'; |
return 'refused'; |
} |
} |
Line 1302 sub definerole {
|
Line 4653 sub definerole {
|
# ---------------- Make a metadata query against the network of library servers |
# ---------------- Make a metadata query against the network of library servers |
|
|
sub metadata_query { |
sub metadata_query { |
my ($query,$custom,$customshow)=@_; |
my ($query,$custom,$customshow,$server_array)=@_; |
# need to put in a library server loop here and return a hash |
|
my %rhash; |
my %rhash; |
for my $server (keys %libserv) { |
my %libserv = &all_library(); |
|
my @server_list = (defined($server_array) ? @$server_array |
|
: keys(%libserv) ); |
|
for my $server (@server_list) { |
unless ($custom or $customshow) { |
unless ($custom or $customshow) { |
my $reply=&reply("querysend:".&escape($query),$server); |
my $reply=&reply("querysend:".&escape($query),$server); |
$rhash{$server}=$reply; |
$rhash{$server}=$reply; |
Line 1320 sub metadata_query {
|
Line 4673 sub metadata_query {
|
return \%rhash; |
return \%rhash; |
} |
} |
|
|
# ------------------------------------------------------------------ Plain Text |
# ----------------------------------------- Send log queries and wait for reply |
|
|
sub plaintext { |
sub log_query { |
my $short=shift; |
my ($uname,$udom,$query,%filters)=@_; |
return $prp{$short}; |
my $uhome=&homeserver($uname,$udom); |
|
if ($uhome eq 'no_host') { return 'error: no_host'; } |
|
my $uhost=&hostname($uhome); |
|
my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys(%filters))); |
|
my $queryid=&reply("querysend:".$query.':'.$udom.':'.$uname.':'.$command, |
|
$uhome); |
|
unless ($queryid=~/^\Q$uhost\E\_/) { return 'error: '.$queryid; } |
|
return get_query_reply($queryid); |
|
} |
|
|
|
# -------------------------- Update MySQL table for portfolio file |
|
|
|
sub update_portfolio_table { |
|
my ($uname,$udom,$file_name,$query,$group,$action) = @_; |
|
my $homeserver = &homeserver($uname,$udom); |
|
my $queryid= |
|
&reply("querysend:".$query.':'.&escape($uname.':'.$udom.':'.$group). |
|
':'.&escape($file_name).':'.$action,$homeserver); |
|
my $reply = &get_query_reply($queryid); |
|
return $reply; |
|
} |
|
|
|
# -------------------------- Update MySQL allusers table |
|
|
|
sub update_allusers_table { |
|
my ($uname,$udom,$names) = @_; |
|
my $homeserver = &homeserver($uname,$udom); |
|
my $queryid= |
|
&reply('querysend:allusers:'.&escape($uname).':'.&escape($udom).':'. |
|
'lastname='.&escape($names->{'lastname'}).'%%'. |
|
'firstname='.&escape($names->{'firstname'}).'%%'. |
|
'middlename='.&escape($names->{'middlename'}).'%%'. |
|
'generation='.&escape($names->{'generation'}).'%%'. |
|
'permanentemail='.&escape($names->{'permanentemail'}).'%%'. |
|
'id='.&escape($names->{'id'}),$homeserver); |
|
my $reply = &get_query_reply($queryid); |
|
return $reply; |
|
} |
|
|
|
# ------- Request retrieval of institutional classlists for course(s) |
|
|
|
sub fetch_enrollment_query { |
|
my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_; |
|
my $homeserver; |
|
my $maxtries = 1; |
|
if ($context eq 'automated') { |
|
$homeserver = $perlvar{'lonHostID'}; |
|
$maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout |
|
} else { |
|
$homeserver = &homeserver($cnum,$dom); |
|
} |
|
my $host=&hostname($homeserver); |
|
my $cmd = ''; |
|
foreach my $affiliate (keys %{$affiliatesref}) { |
|
$cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%'; |
|
} |
|
$cmd =~ s/%%$//; |
|
$cmd = &escape($cmd); |
|
my $query = 'fetchenrollment'; |
|
my $queryid=&reply("querysend:".$query.':'.$dom.':'.$env{'user.name'}.':'.$cmd,$homeserver); |
|
unless ($queryid=~/^\Q$host\E\_/) { |
|
&logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum); |
|
return 'error: '.$queryid; |
|
} |
|
my $reply = &get_query_reply($queryid); |
|
my $tries = 1; |
|
while (($reply=~/^timeout/) && ($tries < $maxtries)) { |
|
$reply = &get_query_reply($queryid); |
|
$tries ++; |
|
} |
|
if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { |
|
&logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); |
|
} else { |
|
my @responses = split(/:/,$reply); |
|
if ($homeserver eq $perlvar{'lonHostID'}) { |
|
foreach my $line (@responses) { |
|
my ($key,$value) = split(/=/,$line,2); |
|
$$replyref{$key} = $value; |
|
} |
|
} else { |
|
my $pathname = $perlvar{'lonDaemons'}.'/tmp'; |
|
foreach my $line (@responses) { |
|
my ($key,$value) = split(/=/,$line); |
|
$$replyref{$key} = $value; |
|
if ($value > 0) { |
|
foreach my $item (@{$$affiliatesref{$key}}) { |
|
my $filename = $dom.'_'.$key.'_'.$item.'_classlist.xml'; |
|
my $destname = $pathname.'/'.$filename; |
|
my $xml_classlist = &reply("autoretrieve:".$filename,$homeserver); |
|
if ($xml_classlist =~ /^error/) { |
|
&logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum); |
|
} else { |
|
if ( open(FILE,">$destname") ) { |
|
print FILE &unescape($xml_classlist); |
|
close(FILE); |
|
} else { |
|
&logthis('fetch_enrollment_query - error opening classlist file '.$destname.' '.$context.' '.$cnum); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return 'ok'; |
|
} |
|
return 'error'; |
} |
} |
|
|
# ------------------------------------------------------------------ Plain Text |
sub get_query_reply { |
|
my $queryid=shift; |
|
my $replyfile=$perlvar{'lonDaemons'}.'/tmp/'.$queryid; |
|
my $reply=''; |
|
for (1..100) { |
|
sleep 2; |
|
if (-e $replyfile.'.end') { |
|
if (open(my $fh,$replyfile)) { |
|
$reply = join('',<$fh>); |
|
close($fh); |
|
} else { return 'error: reply_file_error'; } |
|
return &unescape($reply); |
|
} |
|
} |
|
return 'timeout:'.$queryid; |
|
} |
|
|
|
sub courselog_query { |
|
# |
|
# possible filters: |
|
# url: url or symb |
|
# username |
|
# domain |
|
# action: view, submit, grade |
|
# start: timestamp |
|
# end: timestamp |
|
# |
|
my (%filters)=@_; |
|
unless ($env{'request.course.id'}) { return 'no_course'; } |
|
if ($filters{'url'}) { |
|
$filters{'url'}=&symbclean(&declutter($filters{'url'})); |
|
$filters{'url'}=~s/\.(\w+)$/(\\.\\d+)*\\.$1/; |
|
$filters{'url'}=~s/\.(\w+)\_\_\_/(\\.\\d+)*\\.$1/; |
|
} |
|
my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; |
|
my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; |
|
return &log_query($cname,$cdom,'courselog',%filters); |
|
} |
|
|
|
sub userlog_query { |
|
# |
|
# possible filters: |
|
# action: log check role |
|
# start: timestamp |
|
# end: timestamp |
|
# |
|
my ($uname,$udom,%filters)=@_; |
|
return &log_query($uname,$udom,'userlog',%filters); |
|
} |
|
|
sub fileembstyle { |
#--------- Call auto-enrollment subs in localenroll.pm for homeserver for course |
my $ending=shift; |
|
return $fe{$ending}; |
sub auto_run { |
|
my ($cnum,$cdom) = @_; |
|
my $response = 0; |
|
my $settings; |
|
my %domconfig = &get_dom('configuration',['autoenroll'],$cdom); |
|
if (ref($domconfig{'autoenroll'}) eq 'HASH') { |
|
$settings = $domconfig{'autoenroll'}; |
|
if ($settings->{'run'} eq '1') { |
|
$response = 1; |
|
} |
|
} else { |
|
my $homeserver = &homeserver($cnum,$cdom); |
|
$response = &reply('autorun:'.$cdom,$homeserver); |
|
} |
|
return $response; |
|
} |
|
|
|
sub auto_get_sections { |
|
my ($cnum,$cdom,$inst_coursecode) = @_; |
|
my $homeserver = &homeserver($cnum,$cdom); |
|
my @secs = (); |
|
my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver)); |
|
unless ($response eq 'refused') { |
|
@secs = split(/:/,$response); |
|
} |
|
return @secs; |
|
} |
|
|
|
sub auto_new_course { |
|
my ($cnum,$cdom,$inst_course_id,$owner) = @_; |
|
my $homeserver = &homeserver($cnum,$cdom); |
|
my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.$owner.':'.$cdom,$homeserver)); |
|
return $response; |
|
} |
|
|
|
sub auto_validate_courseID { |
|
my ($cnum,$cdom,$inst_course_id) = @_; |
|
my $homeserver = &homeserver($cnum,$cdom); |
|
my $response=&unescape(&reply('autovalidatecourse:'.$inst_course_id.':'.$cdom,$homeserver)); |
|
return $response; |
|
} |
|
|
|
sub auto_create_password { |
|
my ($cnum,$cdom,$authparam,$udom) = @_; |
|
my ($homeserver,$response); |
|
my $create_passwd = 0; |
|
my $authchk = ''; |
|
if ($udom =~ /^$match_domain$/) { |
|
$homeserver = &domain($udom,'primary'); |
|
} |
|
if ($homeserver eq '') { |
|
if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) { |
|
$homeserver = &homeserver($cnum,$cdom); |
|
} |
|
} |
|
if ($homeserver eq '') { |
|
$authchk = 'nodomain'; |
|
} else { |
|
$response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver)); |
|
if ($response eq 'refused') { |
|
$authchk = 'refused'; |
|
} else { |
|
($authparam,$create_passwd,$authchk) = split(/:/,$response); |
|
} |
|
} |
|
return ($authparam,$create_passwd,$authchk); |
|
} |
|
|
|
sub auto_photo_permission { |
|
my ($cnum,$cdom,$students) = @_; |
|
my $homeserver = &homeserver($cnum,$cdom); |
|
my ($outcome,$perm_reqd,$conditions) = |
|
split(/:/,&unescape(&reply('autophotopermission:'.$cdom,$homeserver)),3); |
|
if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) { |
|
return (undef,undef); |
|
} |
|
return ($outcome,$perm_reqd,$conditions); |
|
} |
|
|
|
sub auto_checkphotos { |
|
my ($uname,$udom,$pid) = @_; |
|
my $homeserver = &homeserver($uname,$udom); |
|
my ($result,$resulttype); |
|
my $outcome = &unescape(&reply('autophotocheck:'.&escape($udom).':'. |
|
&escape($uname).':'.&escape($pid), |
|
$homeserver)); |
|
if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) { |
|
return (undef,undef); |
|
} |
|
if ($outcome) { |
|
($result,$resulttype) = split(/:/,$outcome); |
|
} |
|
return ($result,$resulttype); |
|
} |
|
|
|
sub auto_photochoice { |
|
my ($cnum,$cdom) = @_; |
|
my $homeserver = &homeserver($cnum,$cdom); |
|
my ($update,$comment) = split(/:/,&unescape(&reply('autophotochoice:'. |
|
&escape($cdom), |
|
$homeserver))); |
|
if ($update =~ /^(con_lost|unknown_cmd|no_such_host)$/) { |
|
return (undef,undef); |
|
} |
|
return ($update,$comment); |
|
} |
|
|
|
sub auto_photoupdate { |
|
my ($affiliatesref,$dom,$cnum,$photo) = @_; |
|
my $homeserver = &homeserver($cnum,$dom); |
|
my $host=&hostname($homeserver); |
|
my $cmd = ''; |
|
my $maxtries = 1; |
|
foreach my $affiliate (keys(%{$affiliatesref})) { |
|
$cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%'; |
|
} |
|
$cmd =~ s/%%$//; |
|
$cmd = &escape($cmd); |
|
my $query = 'institutionalphotos'; |
|
my $queryid=&reply("querysend:".$query.':'.$dom.':'.$cnum.':'.$cmd,$homeserver); |
|
unless ($queryid=~/^\Q$host\E\_/) { |
|
&logthis('institutionalphotos: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' and course: '.$cnum); |
|
return 'error: '.$queryid; |
|
} |
|
my $reply = &get_query_reply($queryid); |
|
my $tries = 1; |
|
while (($reply=~/^timeout/) && ($tries < $maxtries)) { |
|
$reply = &get_query_reply($queryid); |
|
$tries ++; |
|
} |
|
if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { |
|
&logthis('institutionalphotos error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' course: '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); |
|
} else { |
|
my @responses = split(/:/,$reply); |
|
my $outcome = shift(@responses); |
|
foreach my $item (@responses) { |
|
my ($key,$value) = split(/=/,$item); |
|
$$photo{$key} = $value; |
|
} |
|
return $outcome; |
|
} |
|
return 'error'; |
|
} |
|
|
|
sub auto_instcode_format { |
|
my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles, |
|
$cat_order) = @_; |
|
my $courses = ''; |
|
my @homeservers; |
|
if ($caller eq 'global') { |
|
my %servers = &get_servers($codedom,'library'); |
|
foreach my $tryserver (keys(%servers)) { |
|
if (!grep(/^\Q$tryserver\E$/,@homeservers)) { |
|
push(@homeservers,$tryserver); |
|
} |
|
} |
|
} else { |
|
push(@homeservers,&homeserver($caller,$codedom)); |
|
} |
|
foreach my $code (keys(%{$instcodes})) { |
|
$courses .= &escape($code).'='.&escape($$instcodes{$code}).'&'; |
|
} |
|
chop($courses); |
|
my $ok_response = 0; |
|
my $response; |
|
while (@homeservers > 0 && $ok_response == 0) { |
|
my $server = shift(@homeservers); |
|
$response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$server); |
|
if ($response !~ /(con_lost|error|no_such_host|refused)/) { |
|
my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) = |
|
split(/:/,$response); |
|
%{$codes} = (%{$codes},&str2hash($codes_str)); |
|
push(@{$codetitles},&str2array($codetitles_str)); |
|
%{$cat_titles} = (%{$cat_titles},&str2hash($cat_titles_str)); |
|
%{$cat_order} = (%{$cat_order},&str2hash($cat_order_str)); |
|
$ok_response = 1; |
|
} |
|
} |
|
if ($ok_response) { |
|
return 'ok'; |
|
} else { |
|
return $response; |
|
} |
} |
} |
|
|
# ------------------------------------------------------------ Description Text |
sub auto_instcode_defaults { |
|
my ($domain,$returnhash,$code_order) = @_; |
|
my @homeservers; |
|
|
sub filedescription { |
my %servers = &get_servers($domain,'library'); |
my $ending=shift; |
foreach my $tryserver (keys(%servers)) { |
return $fd{$ending}; |
if (!grep(/^\Q$tryserver\E$/,@homeservers)) { |
|
push(@homeservers,$tryserver); |
|
} |
|
} |
|
|
|
my $response; |
|
foreach my $server (@homeservers) { |
|
$response=&reply('autoinstcodedefaults:'.$domain,$server); |
|
next if ($response =~ /(con_lost|error|no_such_host|refused)/); |
|
|
|
foreach my $pair (split(/\&/,$response)) { |
|
my ($name,$value)=split(/\=/,$pair); |
|
if ($name eq 'code_order') { |
|
@{$code_order} = split(/\&/,&unescape($value)); |
|
} else { |
|
$returnhash->{&unescape($name)}=&unescape($value); |
|
} |
|
} |
|
return 'ok'; |
|
} |
|
|
|
return $response; |
|
} |
|
|
|
sub auto_validate_class_sec { |
|
my ($cdom,$cnum,$owners,$inst_class) = @_; |
|
my $homeserver = &homeserver($cnum,$cdom); |
|
my $ownerlist; |
|
if (ref($owners) eq 'ARRAY') { |
|
$ownerlist = join(',',@{$owners}); |
|
} else { |
|
$ownerlist = $owners; |
|
} |
|
my $response=&reply('autovalidateclass_sec:'.$inst_class.':'. |
|
&escape($ownerlist).':'.$cdom,$homeserver); |
|
return $response; |
|
} |
|
|
|
# ------------------------------------------------------- Course Group routines |
|
|
|
sub get_coursegroups { |
|
my ($cdom,$cnum,$group,$namespace) = @_; |
|
return(&dump($namespace,$cdom,$cnum,$group)); |
|
} |
|
|
|
sub modify_coursegroup { |
|
my ($cdom,$cnum,$groupsettings) = @_; |
|
return(&put('coursegroups',$groupsettings,$cdom,$cnum)); |
|
} |
|
|
|
sub toggle_coursegroup_status { |
|
my ($cdom,$cnum,$group,$action) = @_; |
|
my ($from_namespace,$to_namespace); |
|
if ($action eq 'delete') { |
|
$from_namespace = 'coursegroups'; |
|
$to_namespace = 'deleted_groups'; |
|
} else { |
|
$from_namespace = 'deleted_groups'; |
|
$to_namespace = 'coursegroups'; |
|
} |
|
my %curr_group = &get_coursegroups($cdom,$cnum,$group,$from_namespace); |
|
if (my $tmp = &error(%curr_group)) { |
|
&Apache::lonnet::logthis('Error retrieving group: '.$tmp.' in '.$cnum.':'.$cdom); |
|
return ('read error',$tmp); |
|
} else { |
|
my %savedsettings = %curr_group; |
|
my $result = &put($to_namespace,\%savedsettings,$cdom,$cnum); |
|
my $deloutcome; |
|
if ($result eq 'ok') { |
|
$deloutcome = &del($from_namespace,[$group],$cdom,$cnum); |
|
} else { |
|
return ('write error',$result); |
|
} |
|
if ($deloutcome eq 'ok') { |
|
return 'ok'; |
|
} else { |
|
return ('delete error',$deloutcome); |
|
} |
|
} |
|
} |
|
|
|
sub modify_group_roles { |
|
my ($cdom,$cnum,$group_id,$user,$end,$start,$userprivs) = @_; |
|
my $url = '/'.$cdom.'/'.$cnum.'/'.$group_id; |
|
my $role = 'gr/'.&escape($userprivs); |
|
my ($uname,$udom) = split(/:/,$user); |
|
my $result = &assignrole($udom,$uname,$url,$role,$end,$start); |
|
if ($result eq 'ok') { |
|
&devalidate_getgroups_cache($udom,$uname,$cdom,$cnum); |
|
} |
|
return $result; |
|
} |
|
|
|
sub modify_coursegroup_membership { |
|
my ($cdom,$cnum,$membership) = @_; |
|
my $result = &put('groupmembership',$membership,$cdom,$cnum); |
|
return $result; |
|
} |
|
|
|
sub get_active_groups { |
|
my ($udom,$uname,$cdom,$cnum) = @_; |
|
my $now = time; |
|
my %groups = (); |
|
foreach my $key (keys(%env)) { |
|
if ($key =~ m-user\.role\.gr\./($match_domain)/($match_courseid)/(\w+)$-) { |
|
my ($start,$end) = split(/\./,$env{$key}); |
|
if (($end!=0) && ($end<$now)) { next; } |
|
if (($start!=0) && ($start>$now)) { next; } |
|
if ($1 eq $cdom && $2 eq $cnum) { |
|
$groups{$3} = $env{$key} ; |
|
} |
|
} |
|
} |
|
return %groups; |
|
} |
|
|
|
sub get_group_membership { |
|
my ($cdom,$cnum,$group) = @_; |
|
return(&dump('groupmembership',$cdom,$cnum,$group)); |
|
} |
|
|
|
sub get_users_groups { |
|
my ($udom,$uname,$courseid) = @_; |
|
my @usersgroups; |
|
my $cachetime=1800; |
|
|
|
my $hashid="$udom:$uname:$courseid"; |
|
my ($grouplist,$cached)=&is_cached_new('getgroups',$hashid); |
|
if (defined($cached)) { |
|
@usersgroups = split(/:/,$grouplist); |
|
} else { |
|
$grouplist = ''; |
|
my $courseurl = &courseid_to_courseurl($courseid); |
|
my %roleshash = &dump('roles',$udom,$uname,$courseurl); |
|
my $access_end = $env{'course.'.$courseid. |
|
'.default_enrollment_end_date'}; |
|
my $now = time; |
|
foreach my $key (keys(%roleshash)) { |
|
if ($key =~ /^\Q$courseurl\E\/(\w+)\_gr$/) { |
|
my $group = $1; |
|
if ($roleshash{$key} =~ /_(\d+)_(\d+)$/) { |
|
my $start = $2; |
|
my $end = $1; |
|
if ($start == -1) { next; } # deleted from group |
|
if (($start!=0) && ($start>$now)) { next; } |
|
if (($end!=0) && ($end<$now)) { |
|
if ($access_end && $access_end < $now) { |
|
if ($access_end - $end < 86400) { |
|
push(@usersgroups,$group); |
|
} |
|
} |
|
next; |
|
} |
|
push(@usersgroups,$group); |
|
} |
|
} |
|
} |
|
@usersgroups = &sort_course_groups($courseid,@usersgroups); |
|
$grouplist = join(':',@usersgroups); |
|
&do_cache_new('getgroups',$hashid,$grouplist,$cachetime); |
|
} |
|
return @usersgroups; |
|
} |
|
|
|
sub devalidate_getgroups_cache { |
|
my ($udom,$uname,$cdom,$cnum)=@_; |
|
my $courseid = $cdom.'_'.$cnum; |
|
|
|
my $hashid="$udom:$uname:$courseid"; |
|
&devalidate_cache_new('getgroups',$hashid); |
|
} |
|
|
|
# ------------------------------------------------------------------ Plain Text |
|
|
|
sub plaintext { |
|
my ($short,$type,$cid) = @_; |
|
if ($short =~ /^cr/) { |
|
return (split('/',$short))[-1]; |
|
} |
|
if (!defined($cid)) { |
|
$cid = $env{'request.course.id'}; |
|
} |
|
if (defined($cid) && defined($env{'course.'.$cid.'.'.$short.'.plaintext'})) { |
|
return &Apache::lonlocal::mt($env{'course.'.$cid.'.'.$short. |
|
'.plaintext'}); |
|
} |
|
my %rolenames = ( |
|
Course => 'std', |
|
Group => 'alt1', |
|
); |
|
if (defined($type) && |
|
defined($rolenames{$type}) && |
|
defined($prp{$short}{$rolenames{$type}})) { |
|
return &Apache::lonlocal::mt($prp{$short}{$rolenames{$type}}); |
|
} else { |
|
return &Apache::lonlocal::mt($prp{$short}{'std'}); |
|
} |
} |
} |
|
|
# ----------------------------------------------------------------- Assign Role |
# ----------------------------------------------------------------- Assign Role |
|
|
sub assignrole { |
sub assignrole { |
my ($udom,$uname,$url,$role,$end,$start)=@_; |
my ($udom,$uname,$url,$role,$end,$start,$deleteflag)=@_; |
my $mrole; |
my $mrole; |
if ($role =~ /^cr\//) { |
if ($role =~ /^cr\//) { |
unless (&allowed('ccr',$url)) { |
my $cwosec=$url; |
|
$cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/; |
|
unless (&allowed('ccr',$cwosec)) { |
&logthis('Refused custom assignrole: '. |
&logthis('Refused custom assignrole: '. |
$udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. |
$udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. |
$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
$env{'user.name'}.' at '.$env{'user.domain'}); |
return 'refused'; |
return 'refused'; |
} |
} |
$mrole='cr'; |
$mrole='cr'; |
|
} elsif ($role =~ /^gr\//) { |
|
my $cwogrp=$url; |
|
$cwogrp=~s{^/($match_domain)/($match_courseid)/.*}{$1/$2}; |
|
unless (&allowed('mdg',$cwogrp)) { |
|
&logthis('Refused group assignrole: '. |
|
$udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. |
|
$env{'user.name'}.' at '.$env{'user.domain'}); |
|
return 'refused'; |
|
} |
|
$mrole='gr'; |
} else { |
} else { |
my $cwosec=$url; |
my $cwosec=$url; |
$cwosec=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/; |
$cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/; |
unless (&allowed('c'.$role,$cwosec)) { |
if (!(&allowed('c'.$role,$cwosec)) && !(&allowed('c'.$role,$udom))) { |
&logthis('Refused assignrole: '. |
my $refused; |
$udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. |
if (($env{'request.course.sec'} ne '') && ($role eq 'st')) { |
$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
if (!(&allowed('c'.$role,$url))) { |
return 'refused'; |
$refused = 1; |
|
} |
|
} else { |
|
$refused = 1; |
|
} |
|
if ($refused) { |
|
&logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url. |
|
' '.$role.' '.$end.' '.$start.' by '. |
|
$env{'user.name'}.' at '.$env{'user.domain'}); |
|
return 'refused'; |
|
} |
} |
} |
$mrole=$role; |
$mrole=$role; |
} |
} |
my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". |
my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:". |
"$udom:$uname:$url".'_'."$mrole=$role"; |
"$udom:$uname:$url".'_'."$mrole=$role"; |
if ($end) { $command.='_'.$end; } |
if ($end) { $command.='_'.$end; } |
if ($start) { |
if ($start) { |
Line 1375 sub assignrole {
|
Line 5283 sub assignrole {
|
$command.='_0_'.$start; |
$command.='_0_'.$start; |
} |
} |
} |
} |
return &reply($command,&homeserver($uname,$udom)); |
my $origstart = $start; |
|
my $origend = $end; |
|
# actually delete |
|
if ($deleteflag) { |
|
if ((&allowed('dro',$udom)) || (&allowed('dro',$url))) { |
|
# modify command to delete the role |
|
$command="encrypt:rolesdel:$env{'user.domain'}:$env{'user.name'}:". |
|
"$udom:$uname:$url".'_'."$mrole"; |
|
&logthis("$env{'user.name'} at $env{'user.domain'} deletes $mrole in $url for $uname at $udom"); |
|
# set start and finish to negative values for userrolelog |
|
$start=-1; |
|
$end=-1; |
|
} |
|
} |
|
# send command |
|
my $answer=&reply($command,&homeserver($uname,$udom)); |
|
# log new user role if status is ok |
|
if ($answer eq 'ok') { |
|
&userrolelog($role,$uname,$udom,$url,$start,$end); |
|
# for course roles, perform group memberships changes triggered by role change. |
|
unless ($role =~ /^gr/) { |
|
&Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, |
|
$origstart); |
|
} |
|
} |
|
return $answer; |
} |
} |
|
|
# --------------------------------------------------------------- Modify a user |
# -------------------------------------------------- Modify user authentication |
|
# Overrides without validation |
|
|
|
sub modifyuserauth { |
|
my ($udom,$uname,$umode,$upass)=@_; |
|
my $uhome=&homeserver($uname,$udom); |
|
unless (&allowed('mau',$udom)) { return 'refused'; } |
|
&logthis('Call to modify user authentication '.$udom.', '.$uname.', '. |
|
$umode.' by '.$env{'user.name'}.' at '.$env{'user.domain'}. |
|
' in domain '.$env{'request.role.domain'}); |
|
my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'. |
|
&escape($upass),$uhome); |
|
&log($env{'user.domain'},$env{'user.name'},$env{'user.home'}, |
|
'Authentication changed for '.$udom.', '.$uname.', '.$umode. |
|
'(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); |
|
&log($udom,,$uname,$uhome, |
|
'Authentication changed by '.$env{'user.domain'}.', '. |
|
$env{'user.name'}.', '.$umode. |
|
'(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); |
|
unless ($reply eq 'ok') { |
|
&logthis('Authentication mode error: '.$reply); |
|
return 'error: '.$reply; |
|
} |
|
return 'ok'; |
|
} |
|
|
|
# --------------------------------------------------------------- Modify a user |
|
|
sub modifyuser { |
sub modifyuser { |
my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene)=@_; |
my ($udom, $uname, $uid, |
|
$umode, $upass, $first, |
|
$middle, $last, $gene, |
|
$forceid, $desiredhome, $email)=@_; |
|
$udom= &LONCAPA::clean_domain($udom); |
|
$uname=&LONCAPA::clean_username($uname); |
&logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. |
&logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. |
$umode.', '.$first.', '.$middle.', '. |
$umode.', '.$first.', '.$middle.', '. |
$last.', '.$gene.' by '. |
$last.', '.$gene.'(forceid: '.$forceid.')'. |
$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
(defined($desiredhome) ? ' desiredhome = '.$desiredhome : |
my $uhome=&homeserver($uname,$udom); |
' desiredhome not specified'). |
|
' by '.$env{'user.name'}.' at '.$env{'user.domain'}. |
|
' in domain '.$env{'request.role.domain'}); |
|
my $uhome=&homeserver($uname,$udom,'true'); |
# ----------------------------------------------------------------- Create User |
# ----------------------------------------------------------------- Create User |
if (($uhome eq 'no_host') && ($umode) && ($upass)) { |
if (($uhome eq 'no_host') && |
|
(($umode && $upass) || ($umode eq 'localauth'))) { |
my $unhome=''; |
my $unhome=''; |
if ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $udom) { |
if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) { |
$unhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
$unhome = $desiredhome; |
} else { |
} elsif($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom) { |
my $tryserver; |
$unhome=$env{'course.'.$env{'request.course.id'}.'.home'}; |
|
} else { # load balancing routine for determining $unhome |
my $loadm=10000000; |
my $loadm=10000000; |
foreach $tryserver (keys %libserv) { |
my %servers = &get_servers($udom,'library'); |
if ($hostdom{$tryserver} eq $udom) { |
foreach my $tryserver (keys(%servers)) { |
my $answer=reply('load',$tryserver); |
my $answer=reply('load',$tryserver); |
if (($answer=~/\d+/) && ($answer<$loadm)) { |
if (($answer=~/\d+/) && ($answer<$loadm)) { |
$loadm=$answer; |
$loadm=$answer; |
$unhome=$tryserver; |
$unhome=$tryserver; |
} |
} |
} |
|
} |
} |
} |
} |
if (($unhome eq '') || ($unhome eq 'no_host')) { |
if (($unhome eq '') || ($unhome eq 'no_host')) { |
return 'error: find home'; |
return 'error: unable to find a home server for '.$uname. |
|
' in domain '.$udom; |
} |
} |
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':'.$umode.':'. |
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':'.$umode.':'. |
&escape($upass),$unhome); |
&escape($upass),$unhome); |
unless ($reply eq 'ok') { |
unless ($reply eq 'ok') { |
return 'error: '.$reply; |
return 'error: '.$reply; |
} |
} |
$uhome=&homeserver($uname,$udom); |
$uhome=&homeserver($uname,$udom,'true'); |
if (($uhome eq '') || ($uhome eq 'no_host') || ($uhome ne $unhome)) { |
if (($uhome eq '') || ($uhome eq 'no_host') || ($uhome ne $unhome)) { |
return 'error: verify home'; |
return 'error: unable verify users home machine.'; |
} |
} |
} |
} # End of creation of new user |
# ---------------------------------------------------------------------- Add ID |
# ---------------------------------------------------------------------- Add ID |
if ($uid) { |
if ($uid) { |
$uid=~tr/A-Z/a-z/; |
$uid=~tr/A-Z/a-z/; |
my %uidhash=&idrget($udom,$uname); |
my %uidhash=&idrget($udom,$uname); |
if (($uidhash{$uname}) && ($uidhash{$uname}!~/error\:/)) { |
if (($uidhash{$uname}) && ($uidhash{$uname}!~/error\:/) |
|
&& (!$forceid)) { |
unless ($uid eq $uidhash{$uname}) { |
unless ($uid eq $uidhash{$uname}) { |
return 'error: mismatch '.$uidhash{$uname}.' versus '.$uid; |
return 'error: user id "'.$uid.'" does not match '. |
|
'current user id "'.$uidhash{$uname}.'".'; |
} |
} |
} else { |
} else { |
&idput($udom,($uname => $uid)); |
&idput($udom,($uname => $uid)); |
} |
} |
} |
} |
# -------------------------------------------------------------- Add names, etc |
# -------------------------------------------------------------- Add names, etc |
my $names=&reply('get:'.$udom.':'.$uname. |
my @tmp=&get('environment', |
':environment:firstname&middlename&lastname&generation', |
['firstname','middlename','lastname','generation','id', |
$uhome); |
'permanentemail'], |
my ($efirst,$emiddle,$elast,$egene)=split(/\&/,$names); |
$udom,$uname); |
if ($first) { $efirst = &escape($first); } |
my %names; |
if ($middle) { $emiddle = &escape($middle); } |
if ($tmp[0] =~ m/^error:.*/) { |
if ($last) { $elast = &escape($last); } |
%names=(); |
if ($gene) { $egene = &escape($gene); } |
} else { |
my $reply=&reply('put:'.$udom.':'.$uname. |
%names = @tmp; |
':environment:firstname='.$efirst. |
|
'&middlename='.$emiddle. |
|
'&lastname='.$elast. |
|
'&generation='.$egene,$uhome); |
|
if ($reply ne 'ok') { |
|
return 'error: '.$reply; |
|
} |
} |
|
# |
|
# Make sure to not trash student environment if instructor does not bother |
|
# to supply name and email information |
|
# |
|
if ($first) { $names{'firstname'} = $first; } |
|
if (defined($middle)) { $names{'middlename'} = $middle; } |
|
if ($last) { $names{'lastname'} = $last; } |
|
if (defined($gene)) { $names{'generation'} = $gene; } |
|
if ($email) { |
|
$email=~s/[^\w\@\.\-\,]//gs; |
|
if ($email=~/\@/) { $names{'notification'} = $email; |
|
$names{'critnotification'} = $email; |
|
$names{'permanentemail'} = $email; } |
|
} |
|
if ($uid) { $names{'id'} = $uid; } |
|
my $reply = &put('environment', \%names, $udom,$uname); |
|
if ($reply ne 'ok') { return 'error: '.$reply; } |
|
my $sqlresult = &update_allusers_table($uname,$udom,\%names); |
|
&devalidate_cache_new('namescache',$uname.':'.$udom); |
&logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '. |
&logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '. |
$umode.', '.$first.', '.$middle.', '. |
$umode.', '.$first.', '.$middle.', '. |
$last.', '.$gene.' by '. |
$last.', '.$gene.' by '. |
$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
$env{'user.name'}.' at '.$env{'user.domain'}); |
return 'ok'; |
return 'ok'; |
} |
} |
|
|
# -------------------------------------------------------------- Modify student |
# -------------------------------------------------------------- Modify student |
|
|
sub modifystudent { |
sub modifystudent { |
my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, |
my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, |
$end,$start)=@_; |
$end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid)=@_; |
my $cid=''; |
if (!$cid) { |
unless ($cid=$ENV{'request.course.id'}) { |
unless ($cid=$env{'request.course.id'}) { |
return 'not_in_class'; |
return 'not_in_class'; |
|
} |
} |
} |
# --------------------------------------------------------------- Make the user |
# --------------------------------------------------------------- Make the user |
my $reply=&modifyuser |
my $reply=&modifyuser |
($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene); |
($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid, |
|
$desiredhome,$email); |
unless ($reply eq 'ok') { return $reply; } |
unless ($reply eq 'ok') { return $reply; } |
|
# This will cause &modify_student_enrollment to get the uid from the |
|
# students environment |
|
$uid = undef if (!$forceid); |
|
$reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last, |
|
$gene,$usec,$end,$start,$type,$locktype,$cid); |
|
return $reply; |
|
} |
|
|
|
sub modify_student_enrollment { |
|
my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,$locktype,$cid) = @_; |
|
my ($cdom,$cnum,$chome); |
|
if (!$cid) { |
|
unless ($cid=$env{'request.course.id'}) { |
|
return 'not_in_class'; |
|
} |
|
$cdom=$env{'course.'.$cid.'.domain'}; |
|
$cnum=$env{'course.'.$cid.'.num'}; |
|
} else { |
|
($cdom,$cnum)=split(/_/,$cid); |
|
} |
|
$chome=$env{'course.'.$cid.'.home'}; |
|
if (!$chome) { |
|
$chome=&homeserver($cnum,$cdom); |
|
} |
|
if (!$chome) { return 'unknown_course'; } |
|
# Make sure the user exists |
my $uhome=&homeserver($uname,$udom); |
my $uhome=&homeserver($uname,$udom); |
if (($uhome eq '') || ($uhome eq 'no_host')) { |
if (($uhome eq '') || ($uhome eq 'no_host')) { |
return 'error: no such user'; |
return 'error: no such user'; |
} |
} |
# -------------------------------------------------- Add student to course list |
# Get student data if we were not given enough information |
my $reply=critical('put:'.$ENV{'course.'.$cid.'.domain'}.':'. |
if (!defined($first) || $first eq '' || |
$ENV{'course.'.$cid.'.num'}.':classlist:'. |
!defined($last) || $last eq '' || |
&escape($uname.':'.$udom).'='. |
!defined($uid) || $uid eq '' || |
&escape($end.':'.$start), |
!defined($middle) || $middle eq '' || |
$ENV{'course.'.$cid.'.home'}); |
!defined($gene) || $gene eq '') { |
|
# They did not supply us with enough data to enroll the student, so |
|
# we need to pick up more information. |
|
my %tmp = &get('environment', |
|
['firstname','middlename','lastname', 'generation','id'] |
|
,$udom,$uname); |
|
|
|
#foreach my $key (keys(%tmp)) { |
|
# &logthis("key $key = ".$tmp{$key}); |
|
#} |
|
$first = $tmp{'firstname'} if (!defined($first) || $first eq ''); |
|
$middle = $tmp{'middlename'} if (!defined($middle) || $middle eq ''); |
|
$last = $tmp{'lastname'} if (!defined($last) || $last eq ''); |
|
$gene = $tmp{'generation'} if (!defined($gene) || $gene eq ''); |
|
$uid = $tmp{'id'} if (!defined($uid) || $uid eq ''); |
|
} |
|
my $fullname = &format_name($first,$middle,$last,$gene,'lastname'); |
|
my $reply=cput('classlist', |
|
{"$uname:$udom" => |
|
join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, |
|
$cdom,$cnum); |
unless (($reply eq 'ok') || ($reply eq 'delayed')) { |
unless (($reply eq 'ok') || ($reply eq 'delayed')) { |
return 'error: '.$reply; |
return 'error: '.$reply; |
|
} else { |
|
&devalidate_getsection_cache($udom,$uname,$cid); |
} |
} |
# ---------------------------------------------------- Add student role to user |
# Add student role to user |
my $uurl='/'.$cid; |
my $uurl='/'.$cid; |
$uurl=~s/\_/\//g; |
$uurl=~s/\_/\//g; |
if ($usec) { |
if ($usec) { |
Line 1490 sub modifystudent {
|
Line 5523 sub modifystudent {
|
return &assignrole($udom,$uname,$uurl,'st',$end,$start); |
return &assignrole($udom,$uname,$uurl,'st',$end,$start); |
} |
} |
|
|
|
sub format_name { |
|
my ($firstname,$middlename,$lastname,$generation,$first)=@_; |
|
my $name; |
|
if ($first ne 'lastname') { |
|
$name=$firstname.' '.$middlename.' '.$lastname.' '.$generation; |
|
} else { |
|
if ($lastname=~/\S/) { |
|
$name.= $lastname.' '.$generation.', '.$firstname.' '.$middlename; |
|
$name=~s/\s+,/,/; |
|
} else { |
|
$name.= $firstname.' '.$middlename.' '.$generation; |
|
} |
|
} |
|
$name=~s/^\s+//; |
|
$name=~s/\s+$//; |
|
$name=~s/\s+/ /g; |
|
return $name; |
|
} |
|
|
# ------------------------------------------------- Write to course preferences |
# ------------------------------------------------- Write to course preferences |
|
|
sub writecoursepref { |
sub writecoursepref { |
Line 1502 sub writecoursepref {
|
Line 5554 sub writecoursepref {
|
return 'error: no such course'; |
return 'error: no such course'; |
} |
} |
my $cstring=''; |
my $cstring=''; |
map { |
foreach my $pref (keys(%prefs)) { |
$cstring.=escape($_).'='.escape($prefs{$_}).'&'; |
$cstring.=&escape($pref).'='.&escape($prefs{$pref}).'&'; |
} keys %prefs; |
} |
$cstring=~s/\&$//; |
$cstring=~s/\&$//; |
return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); |
return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); |
} |
} |
Line 1512 sub writecoursepref {
|
Line 5564 sub writecoursepref {
|
# ---------------------------------------------------------- Make/modify course |
# ---------------------------------------------------------- Make/modify course |
|
|
sub createcourse { |
sub createcourse { |
my ($udom,$description,$url)=@_; |
my ($udom,$description,$url,$course_server,$nonstandard,$inst_code, |
|
$course_owner,$crstype)=@_; |
$url=&declutter($url); |
$url=&declutter($url); |
my $cid=''; |
my $cid=''; |
unless (&allowed('ccc',$ENV{'user.domain'})) { |
unless (&allowed('ccc',$udom)) { |
return 'refused'; |
|
} |
|
unless ($udom eq $ENV{'user.domain'}) { |
|
return 'refused'; |
return 'refused'; |
} |
} |
# ------------------------------------------------------------------- Create ID |
# ------------------------------------------------------------------- Create ID |
my $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). |
my $uname=int(1+rand(9)). |
|
('a'..'z','A'..'Z','0'..'9')[int(rand(62))]. |
|
substr($$.time,0,5).unpack("H8",pack("I32",time)). |
unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; |
unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; |
# ----------------------------------------------- Make sure that does not exist |
# ----------------------------------------------- Make sure that does not exist |
my $uhome=&homeserver($uname,$udom); |
my $uhome=&homeserver($uname,$udom,'true'); |
unless (($uhome eq '') || ($uhome eq 'no_host')) { |
unless (($uhome eq '') || ($uhome eq 'no_host')) { |
$uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). |
$uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). |
unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; |
unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; |
$uhome=&homeserver($uname,$udom); |
$uhome=&homeserver($uname,$udom,'true'); |
unless (($uhome eq '') || ($uhome eq 'no_host')) { |
unless (($uhome eq '') || ($uhome eq 'no_host')) { |
return 'error: unable to generate unique course-ID'; |
return 'error: unable to generate unique course-ID'; |
} |
} |
} |
} |
|
# ------------------------------------------------ Check supplied server name |
|
$course_server = $env{'user.homeserver'} if (! defined($course_server)); |
|
if (! &is_library($course_server)) { |
|
return 'error:bad server name '.$course_server; |
|
} |
# ------------------------------------------------------------- Make the course |
# ------------------------------------------------------------- Make the course |
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::', |
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::', |
$ENV{'user.home'}); |
$course_server); |
unless ($reply eq 'ok') { return 'error: '.$reply; } |
unless ($reply eq 'ok') { return 'error: '.$reply; } |
my $uhome=&homeserver($uname,$udom); |
$uhome=&homeserver($uname,$udom,'true'); |
if (($uhome eq '') || ($uhome eq 'no_host')) { |
if (($uhome eq '') || ($uhome eq 'no_host')) { |
return 'error: no such course'; |
return 'error: no such course'; |
} |
} |
|
# ----------------------------------------------------------------- Course made |
|
# log existence |
|
my $newcourse = { |
|
$udom.'_'.$uname => { |
|
description => $description, |
|
inst_code => $inst_code, |
|
owner => $course_owner, |
|
type => $crstype, |
|
}, |
|
}; |
|
&courseidput($udom,$newcourse,$uhome,'notime'); |
|
# set toplevel url |
|
my $topurl=$url; |
|
unless ($nonstandard) { |
|
# ------------------------------------------ For standard courses, make top url |
|
my $mapurl=&clutter($url); |
|
if ($mapurl eq '/res/') { $mapurl=''; } |
|
$env{'form.initmap'}=(<<ENDINITMAP); |
|
<map> |
|
<resource id="1" type="start"></resource> |
|
<resource id="2" src="$mapurl"></resource> |
|
<resource id="3" type="finish"></resource> |
|
<link index="1" from="1" to="2"></link> |
|
<link index="2" from="2" to="3"></link> |
|
</map> |
|
ENDINITMAP |
|
$topurl=&declutter( |
|
&finishuserfileupload($uname,$udom,'initmap','default.sequence') |
|
); |
|
} |
|
# ----------------------------------------------------------- Write preferences |
&writecoursepref($udom.'_'.$uname, |
&writecoursepref($udom.'_'.$uname, |
('description' => $description, |
('description' => $description, |
'url' => $url)); |
'url' => $topurl)); |
return '/'.$udom.'/'.$uname; |
return '/'.$udom.'/'.$uname; |
} |
} |
|
|
|
sub is_course { |
|
my ($cdom,$cnum) = @_; |
|
my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef, |
|
undef,'.',undef,1); |
|
if (exists($courses{$cdom.'_'.$cnum})) { |
|
return 1; |
|
} |
|
return 0; |
|
} |
|
|
# ---------------------------------------------------------- Assign Custom Role |
# ---------------------------------------------------------- Assign Custom Role |
|
|
sub assigncustomrole { |
sub assigncustomrole { |
my ($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start)=@_; |
my ($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start,$deleteflag)=@_; |
return &assignrole($udom,$uname,$url,'cr/'.$rdom.'/'.$rnam.'/'.$rolename, |
return &assignrole($udom,$uname,$url,'cr/'.$rdom.'/'.$rnam.'/'.$rolename, |
$end,$start); |
$end,$start,$deleteflag); |
} |
} |
|
|
# ----------------------------------------------------------------- Revoke Role |
# ----------------------------------------------------------------- Revoke Role |
|
|
sub revokerole { |
sub revokerole { |
my ($udom,$uname,$url,$role)=@_; |
my ($udom,$uname,$url,$role,$deleteflag)=@_; |
my $now=time; |
my $now=time; |
return &assignrole($udom,$uname,$url,$role,$now); |
return &assignrole($udom,$uname,$url,$role,$now,$deleteflag); |
} |
} |
|
|
# ---------------------------------------------------------- Revoke Custom Role |
# ---------------------------------------------------------- Revoke Custom Role |
|
|
sub revokecustomrole { |
sub revokecustomrole { |
my ($udom,$uname,$url,$rdom,$rnam,$rolename)=@_; |
my ($udom,$uname,$url,$rdom,$rnam,$rolename,$deleteflag)=@_; |
my $now=time; |
my $now=time; |
return &assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$now); |
return &assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$now, |
|
$deleteflag); |
|
} |
|
|
|
# ------------------------------------------------------------ Disk usage |
|
sub diskusage { |
|
my ($udom,$uname,$directoryRoot)=@_; |
|
$directoryRoot =~ s/\/$//; |
|
my $listing=&reply('du:'.$directoryRoot,homeserver($uname,$udom)); |
|
return $listing; |
|
} |
|
|
|
sub is_locked { |
|
my ($file_name, $domain, $user) = @_; |
|
my @check; |
|
my $is_locked; |
|
push @check, $file_name; |
|
my %locked = &get('file_permissions',\@check, |
|
$env{'user.domain'},$env{'user.name'}); |
|
my ($tmp)=keys(%locked); |
|
if ($tmp=~/^error:/) { undef(%locked); } |
|
|
|
if (ref($locked{$file_name}) eq 'ARRAY') { |
|
$is_locked = 'false'; |
|
foreach my $entry (@{$locked{$file_name}}) { |
|
if (ref($entry) eq 'ARRAY') { |
|
$is_locked = 'true'; |
|
last; |
|
} |
|
} |
|
} else { |
|
$is_locked = 'false'; |
|
} |
|
} |
|
|
|
sub declutter_portfile { |
|
my ($file) = @_; |
|
$file =~ s{^(/portfolio/|portfolio/)}{/}; |
|
return $file; |
|
} |
|
|
|
# ------------------------------------------------------------- Mark as Read Only |
|
|
|
sub mark_as_readonly { |
|
my ($domain,$user,$files,$what) = @_; |
|
my %current_permissions = &dump('file_permissions',$domain,$user); |
|
my ($tmp)=keys(%current_permissions); |
|
if ($tmp=~/^error:/) { undef(%current_permissions); } |
|
foreach my $file (@{$files}) { |
|
$file = &declutter_portfile($file); |
|
push(@{$current_permissions{$file}},$what); |
|
} |
|
&put('file_permissions',\%current_permissions,$domain,$user); |
|
return; |
|
} |
|
|
|
# ------------------------------------------------------------Save Selected Files |
|
|
|
sub save_selected_files { |
|
my ($user, $path, @files) = @_; |
|
my $filename = $user."savedfiles"; |
|
my @other_files = &files_not_in_path($user, $path); |
|
open (OUT, '>'.$tmpdir.$filename); |
|
foreach my $file (@files) { |
|
print (OUT $env{'form.currentpath'}.$file."\n"); |
|
} |
|
foreach my $file (@other_files) { |
|
print (OUT $file."\n"); |
|
} |
|
close (OUT); |
|
return 'ok'; |
|
} |
|
|
|
sub clear_selected_files { |
|
my ($user) = @_; |
|
my $filename = $user."savedfiles"; |
|
open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); |
|
print (OUT undef); |
|
close (OUT); |
|
return ("ok"); |
|
} |
|
|
|
sub files_in_path { |
|
my ($user, $path) = @_; |
|
my $filename = $user."savedfiles"; |
|
my %return_files; |
|
open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); |
|
while (my $line_in = <IN>) { |
|
chomp ($line_in); |
|
my @paths_and_file = split (m!/!, $line_in); |
|
my $file_part = pop (@paths_and_file); |
|
my $path_part = join ('/', @paths_and_file); |
|
$path_part.='/'; |
|
my $path_and_file = $path_part.$file_part; |
|
if ($path_part eq $path) { |
|
$return_files{$file_part}= 'selected'; |
|
} |
|
} |
|
close (IN); |
|
return (\%return_files); |
|
} |
|
|
|
# called in portfolio select mode, to show files selected NOT in current directory |
|
sub files_not_in_path { |
|
my ($user, $path) = @_; |
|
my $filename = $user."savedfiles"; |
|
my @return_files; |
|
my $path_part; |
|
open(IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); |
|
while (my $line = <IN>) { |
|
#ok, I know it's clunky, but I want it to work |
|
my @paths_and_file = split(m|/|, $line); |
|
my $file_part = pop(@paths_and_file); |
|
chomp($file_part); |
|
my $path_part = join('/', @paths_and_file); |
|
$path_part .= '/'; |
|
my $path_and_file = $path_part.$file_part; |
|
if ($path_part ne $path) { |
|
push(@return_files, ($path_and_file)); |
|
} |
|
} |
|
close(OUT); |
|
return (@return_files); |
|
} |
|
|
|
#----------------------------------------------Get portfolio file permissions |
|
|
|
sub get_portfile_permissions { |
|
my ($domain,$user) = @_; |
|
my %current_permissions = &dump('file_permissions',$domain,$user); |
|
my ($tmp)=keys(%current_permissions); |
|
if ($tmp=~/^error:/) { undef(%current_permissions); } |
|
return \%current_permissions; |
|
} |
|
|
|
#---------------------------------------------Get portfolio file access controls |
|
|
|
sub get_access_controls { |
|
my ($current_permissions,$group,$file) = @_; |
|
my %access; |
|
my $real_file = $file; |
|
$file =~ s/\.meta$//; |
|
if (defined($file)) { |
|
if (ref($$current_permissions{$file."\0".'accesscontrol'}) eq 'HASH') { |
|
foreach my $control (keys(%{$$current_permissions{$file."\0".'accesscontrol'}})) { |
|
$access{$real_file}{$control} = $$current_permissions{$file."\0".$control}; |
|
} |
|
} |
|
} else { |
|
foreach my $key (keys(%{$current_permissions})) { |
|
if ($key =~ /\0accesscontrol$/) { |
|
if (defined($group)) { |
|
if ($key !~ m-^\Q$group\E/-) { |
|
next; |
|
} |
|
} |
|
my ($fullpath) = split(/\0/,$key); |
|
if (ref($$current_permissions{$key}) eq 'HASH') { |
|
foreach my $control (keys(%{$$current_permissions{$key}})) { |
|
$access{$fullpath}{$control}=$$current_permissions{$fullpath."\0".$control}; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return %access; |
|
} |
|
|
|
sub modify_access_controls { |
|
my ($file_name,$changes,$domain,$user)=@_; |
|
my ($outcome,$deloutcome); |
|
my %store_permissions; |
|
my %new_values; |
|
my %new_control; |
|
my %translation; |
|
my @deletions = (); |
|
my $now = time; |
|
if (exists($$changes{'activate'})) { |
|
if (ref($$changes{'activate'}) eq 'HASH') { |
|
my @newitems = sort(keys(%{$$changes{'activate'}})); |
|
my $numnew = scalar(@newitems); |
|
for (my $i=0; $i<$numnew; $i++) { |
|
my $newkey = $newitems[$i]; |
|
my $newid = &Apache::loncommon::get_cgi_id(); |
|
if ($newkey =~ /^\d+:/) { |
|
$newkey =~ s/^(\d+)/$newid/; |
|
$translation{$1} = $newid; |
|
} elsif ($newkey =~ /^\d+_\d+_\d+:/) { |
|
$newkey =~ s/^(\d+_\d+_\d+)/$newid/; |
|
$translation{$1} = $newid; |
|
} |
|
$new_values{$file_name."\0".$newkey} = |
|
$$changes{'activate'}{$newitems[$i]}; |
|
$new_control{$newkey} = $now; |
|
} |
|
} |
|
} |
|
my %todelete; |
|
my %changed_items; |
|
foreach my $action ('delete','update') { |
|
if (exists($$changes{$action})) { |
|
if (ref($$changes{$action}) eq 'HASH') { |
|
foreach my $key (keys(%{$$changes{$action}})) { |
|
my ($itemnum) = ($key =~ /^([^:]+):/); |
|
if ($action eq 'delete') { |
|
$todelete{$itemnum} = 1; |
|
} else { |
|
$changed_items{$itemnum} = $key; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
# get lock on access controls for file. |
|
my $lockhash = { |
|
$file_name."\0".'locked_access_records' => $env{'user.name'}. |
|
':'.$env{'user.domain'}, |
|
}; |
|
my $tries = 0; |
|
my $gotlock = &newput('file_permissions',$lockhash,$domain,$user); |
|
|
|
while (($gotlock ne 'ok') && $tries <3) { |
|
$tries ++; |
|
sleep 1; |
|
$gotlock = &newput('file_permissions',$lockhash,$domain,$user); |
|
} |
|
if ($gotlock eq 'ok') { |
|
my %curr_permissions = &dump('file_permissions',$domain,$user,$file_name); |
|
my ($tmp)=keys(%curr_permissions); |
|
if ($tmp=~/^error:/) { undef(%curr_permissions); } |
|
if (exists($curr_permissions{$file_name."\0".'accesscontrol'})) { |
|
my $curr_controls = $curr_permissions{$file_name."\0".'accesscontrol'}; |
|
if (ref($curr_controls) eq 'HASH') { |
|
foreach my $control_item (keys(%{$curr_controls})) { |
|
my ($itemnum) = ($control_item =~ /^([^:]+):/); |
|
if (defined($todelete{$itemnum})) { |
|
push(@deletions,$file_name."\0".$control_item); |
|
} else { |
|
if (defined($changed_items{$itemnum})) { |
|
$new_control{$changed_items{$itemnum}} = $now; |
|
push(@deletions,$file_name."\0".$control_item); |
|
$new_values{$file_name."\0".$changed_items{$itemnum}} = $$changes{'update'}{$changed_items{$itemnum}}; |
|
} else { |
|
$new_control{$control_item} = $$curr_controls{$control_item}; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
$deloutcome = &del('file_permissions',\@deletions,$domain,$user); |
|
$new_values{$file_name."\0".'accesscontrol'} = \%new_control; |
|
$outcome = &put('file_permissions',\%new_values,$domain,$user); |
|
# remove lock |
|
my @del_lock = ($file_name."\0".'locked_access_records'); |
|
my $dellockoutcome = &del('file_permissions',\@del_lock,$domain,$user); |
|
my ($file,$group); |
|
if (&is_course($domain,$user)) { |
|
($group,$file) = split(/\//,$file_name,2); |
|
} else { |
|
$file = $file_name; |
|
} |
|
my $sqlresult = |
|
&update_portfolio_table($user,$domain,$file,'portfolio_access', |
|
$group); |
|
} else { |
|
$outcome = "error: could not obtain lockfile\n"; |
|
} |
|
return ($outcome,$deloutcome,\%new_values,\%translation); |
|
} |
|
|
|
sub make_public_indefinitely { |
|
my ($requrl) = @_; |
|
my $now = time; |
|
my $action = 'activate'; |
|
my $aclnum = 0; |
|
if (&is_portfolio_url($requrl)) { |
|
my (undef,$udom,$unum,$file_name,$group) = |
|
&parse_portfolio_url($requrl); |
|
my $current_perms = &get_portfile_permissions($udom,$unum); |
|
my %access_controls = &get_access_controls($current_perms, |
|
$group,$file_name); |
|
foreach my $key (keys(%{$access_controls{$file_name}})) { |
|
my ($num,$scope,$end,$start) = |
|
($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); |
|
if ($scope eq 'public') { |
|
if ($start <= $now && $end == 0) { |
|
$action = 'none'; |
|
} else { |
|
$action = 'update'; |
|
$aclnum = $num; |
|
} |
|
last; |
|
} |
|
} |
|
if ($action eq 'none') { |
|
return 'ok'; |
|
} else { |
|
my %changes; |
|
my $newend = 0; |
|
my $newstart = $now; |
|
my $newkey = $aclnum.':public_'.$newend.'_'.$newstart; |
|
$changes{$action}{$newkey} = { |
|
type => 'public', |
|
time => { |
|
start => $newstart, |
|
end => $newend, |
|
}, |
|
}; |
|
my ($outcome,$deloutcome,$new_values,$translation) = |
|
&modify_access_controls($file_name,\%changes,$udom,$unum); |
|
return $outcome; |
|
} |
|
} else { |
|
return 'invalid'; |
|
} |
|
} |
|
|
|
#------------------------------------------------------Get Marked as Read Only |
|
|
|
sub get_marked_as_readonly { |
|
my ($domain,$user,$what,$group) = @_; |
|
my $current_permissions = &get_portfile_permissions($domain,$user); |
|
my @readonly_files; |
|
my $cmp1=$what; |
|
if (ref($what)) { $cmp1=join('',@{$what}) }; |
|
while (my ($file_name,$value) = each(%{$current_permissions})) { |
|
if (defined($group)) { |
|
if ($file_name !~ m-^\Q$group\E/-) { |
|
next; |
|
} |
|
} |
|
if (ref($value) eq "ARRAY"){ |
|
foreach my $stored_what (@{$value}) { |
|
my $cmp2=$stored_what; |
|
if (ref($stored_what) eq 'ARRAY') { |
|
$cmp2=join('',@{$stored_what}); |
|
} |
|
if ($cmp1 eq $cmp2) { |
|
push(@readonly_files, $file_name); |
|
last; |
|
} elsif (!defined($what)) { |
|
push(@readonly_files, $file_name); |
|
last; |
|
} |
|
} |
|
} |
|
} |
|
return @readonly_files; |
|
} |
|
#-----------------------------------------------------------Get Marked as Read Only Hash |
|
|
|
sub get_marked_as_readonly_hash { |
|
my ($current_permissions,$group,$what) = @_; |
|
my %readonly_files; |
|
while (my ($file_name,$value) = each(%{$current_permissions})) { |
|
if (defined($group)) { |
|
if ($file_name !~ m-^\Q$group\E/-) { |
|
next; |
|
} |
|
} |
|
if (ref($value) eq "ARRAY"){ |
|
foreach my $stored_what (@{$value}) { |
|
if (ref($stored_what) eq 'ARRAY') { |
|
foreach my $lock_descriptor(@{$stored_what}) { |
|
if ($lock_descriptor eq 'graded') { |
|
$readonly_files{$file_name} = 'graded'; |
|
} elsif ($lock_descriptor eq 'handback') { |
|
$readonly_files{$file_name} = 'handback'; |
|
} else { |
|
if (!exists($readonly_files{$file_name})) { |
|
$readonly_files{$file_name} = 'locked'; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return %readonly_files; |
|
} |
|
# ------------------------------------------------------------ Unmark as Read Only |
|
|
|
sub unmark_as_readonly { |
|
# unmarks $file_name (if $file_name is defined), or all files locked by $what |
|
# for portfolio submissions, $what contains [$symb,$crsid] |
|
my ($domain,$user,$what,$file_name,$group) = @_; |
|
$file_name = &declutter_portfile($file_name); |
|
my $symb_crs = $what; |
|
if (ref($what)) { $symb_crs=join('',@$what); } |
|
my %current_permissions = &dump('file_permissions',$domain,$user,$group); |
|
my ($tmp)=keys(%current_permissions); |
|
if ($tmp=~/^error:/) { undef(%current_permissions); } |
|
my @readonly_files = &get_marked_as_readonly($domain,$user,$what,$group); |
|
foreach my $file (@readonly_files) { |
|
my $clean_file = &declutter_portfile($file); |
|
if (defined($file_name) && ($file_name ne $clean_file)) { next; } |
|
my $current_locks = $current_permissions{$file}; |
|
my @new_locks; |
|
my @del_keys; |
|
if (ref($current_locks) eq "ARRAY"){ |
|
foreach my $locker (@{$current_locks}) { |
|
my $compare=$locker; |
|
if (ref($locker) eq 'ARRAY') { |
|
$compare=join('',@{$locker}); |
|
if ($compare ne $symb_crs) { |
|
push(@new_locks, $locker); |
|
} |
|
} |
|
} |
|
if (scalar(@new_locks) > 0) { |
|
$current_permissions{$file} = \@new_locks; |
|
} else { |
|
push(@del_keys, $file); |
|
&del('file_permissions',\@del_keys, $domain, $user); |
|
delete($current_permissions{$file}); |
|
} |
|
} |
|
} |
|
&put('file_permissions',\%current_permissions,$domain,$user); |
|
return; |
} |
} |
|
|
# ------------------------------------------------------------ Directory lister |
# ------------------------------------------------------------ Directory lister |
|
|
sub dirlist { |
sub dirlist { |
my $uri=shift; |
my ($uri,$userdomain,$username,$alternateDirectoryRoot)=@_; |
|
|
$uri=~s/^\///; |
$uri=~s/^\///; |
$uri=~s/\/$//; |
$uri=~s/\/$//; |
my ($res,$udom,$uname,@rest)=split(/\//,$uri); |
my ($udom, $uname); |
if ($udom) { |
(undef,$udom,$uname)=split(/\//,$uri); |
if ($uname) { |
if(defined($userdomain)) { |
my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/'.$uri, |
$udom = $userdomain; |
homeserver($uname,$udom)); |
} |
return split(/:/,$listing); |
if(defined($username)) { |
|
$uname = $username; |
|
} |
|
|
|
my $dirRoot = $perlvar{'lonDocRoot'}; |
|
if(defined($alternateDirectoryRoot)) { |
|
$dirRoot = $alternateDirectoryRoot; |
|
$dirRoot =~ s/\/$//; |
|
} |
|
|
|
if($udom) { |
|
if($uname) { |
|
my $listing = &reply('ls2:'.$dirRoot.'/'.$uri, |
|
&homeserver($uname,$udom)); |
|
my @listing_results; |
|
if ($listing eq 'unknown_cmd') { |
|
$listing = &reply('ls:'.$dirRoot.'/'.$uri, |
|
&homeserver($uname,$udom)); |
|
@listing_results = split(/:/,$listing); |
|
} else { |
|
@listing_results = map { &unescape($_); } split(/:/,$listing); |
|
} |
|
return @listing_results; |
|
} elsif(!defined($alternateDirectoryRoot)) { |
|
my %allusers; |
|
my %servers = &get_servers($udom,'library'); |
|
foreach my $tryserver (keys(%servers)) { |
|
my $listing = &reply('ls2:'.$perlvar{'lonDocRoot'}.'/res/'. |
|
$udom, $tryserver); |
|
my @listing_results; |
|
if ($listing eq 'unknown_cmd') { |
|
$listing = &reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'. |
|
$udom, $tryserver); |
|
@listing_results = split(/:/,$listing); |
|
} else { |
|
@listing_results = |
|
map { &unescape($_); } split(/:/,$listing); |
|
} |
|
if ($listing_results[0] ne 'no_such_dir' && |
|
$listing_results[0] ne 'empty' && |
|
$listing_results[0] ne 'con_lost') { |
|
foreach my $line (@listing_results) { |
|
my ($entry) = split(/&/,$line,2); |
|
$allusers{$entry} = 1; |
|
} |
|
} |
|
} |
|
my $alluserstr=''; |
|
foreach my $user (sort(keys(%allusers))) { |
|
$alluserstr.=$user.'&user:'; |
|
} |
|
$alluserstr=~s/:$//; |
|
return split(/:/,$alluserstr); |
|
} else { |
|
return ('missing user name'); |
|
} |
|
} elsif(!defined($alternateDirectoryRoot)) { |
|
my @all_domains = sort(&all_domains()); |
|
foreach my $domain (@all_domains) { |
|
$domain = $perlvar{'lonDocRoot'}.'/res/'.$domain.'/&domain'; |
|
} |
|
return @all_domains; |
} else { |
} else { |
my $tryserver; |
return ('missing domain'); |
my %allusers=(); |
} |
foreach $tryserver (keys %libserv) { |
} |
if ($hostdom{$tryserver} eq $udom) { |
|
my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'.$udom, |
# --------------------------------------------- GetFileTimestamp |
$tryserver); |
# This function utilizes dirlist and returns the date stamp for |
if (($listing ne 'no_such_dir') && ($listing ne 'empty') |
# when it was last modified. It will also return an error of -1 |
&& ($listing ne 'con_lost')) { |
# if an error occurs |
map { |
|
my ($entry,@stat)=split(/&/,$_); |
## |
$allusers{$entry}=1; |
## FIXME: This subroutine assumes its caller knows something about the |
} split(/:/,$listing); |
## directory structure of the home server for the student ($root). |
} |
## Not a good assumption to make. Since this is for looking up files |
} |
## in user directories, the full path should be constructed by lond, not |
} |
## whatever machine we request data from. |
my $alluserstr=''; |
## |
map { |
sub GetFileTimestamp { |
$alluserstr.=$_.'&user:'; |
my ($studentDomain,$studentName,$filename,$root)=@_; |
} sort keys %allusers; |
$studentDomain = &LONCAPA::clean_domain($studentDomain); |
$alluserstr=~s/:$//; |
$studentName = &LONCAPA::clean_username($studentName); |
return split(/:/,$alluserstr); |
my $subdir=$studentName.'__'; |
} |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
} else { |
my $proname="$studentDomain/$subdir/$studentName"; |
my $tryserver; |
$proname .= '/'.$filename; |
my %alldom=(); |
my ($fileStat) = &Apache::lonnet::dirlist($proname, $studentDomain, |
foreach $tryserver (keys %libserv) { |
$studentName, $root); |
$alldom{$hostdom{$tryserver}}=1; |
my @stats = split('&', $fileStat); |
} |
if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { |
my $alldomstr=''; |
# @stats contains first the filename, then the stat output |
map { |
return $stats[10]; # so this is 10 instead of 9. |
$alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'&domain:'; |
} else { |
} sort keys %alldom; |
return -1; |
$alldomstr=~s/:$//; |
} |
return split(/:/,$alldomstr); |
} |
} |
|
|
sub stat_file { |
|
my ($uri) = @_; |
|
$uri = &clutter_with_no_wrapper($uri); |
|
|
|
my ($udom,$uname,$file,$dir); |
|
if ($uri =~ m-^/(uploaded|editupload)/-) { |
|
($udom,$uname,$file) = |
|
($uri =~ m-/(?:uploaded|editupload)/?($match_domain)/?($match_name)/?(.*)-); |
|
$file = 'userfiles/'.$file; |
|
$dir = &propath($udom,$uname); |
|
} |
|
if ($uri =~ m-^/res/-) { |
|
($udom,$uname) = |
|
($uri =~ m-/(?:res)/?($match_domain)/?($match_username)/-); |
|
$file = $uri; |
|
} |
|
|
|
if (!$udom || !$uname || !$file) { |
|
# unable to handle the uri |
|
return (); |
|
} |
|
|
|
my ($result) = &dirlist($file,$udom,$uname,$dir); |
|
my @stats = split('&', $result); |
|
|
|
if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { |
|
shift(@stats); #filename is first |
|
return @stats; |
|
} |
|
return (); |
} |
} |
|
|
# -------------------------------------------------------- Value of a Condition |
# -------------------------------------------------------- Value of a Condition |
|
|
|
# gets the value of a specific preevaluated condition |
|
# stored in the string $env{user.state.<cid>} |
|
# or looks up a condition reference in the bighash and if if hasn't |
|
# already been evaluated recurses into docondval to get the value of |
|
# the condition, then memoizing it to |
|
# $env{user.state.<cid>.<condition>} |
sub directcondval { |
sub directcondval { |
my $number=shift; |
my $number=shift; |
if ($ENV{'user.state.'.$ENV{'request.course.id'}}) { |
if (!defined($env{'user.state.'.$env{'request.course.id'}})) { |
return substr($ENV{'user.state.'.$ENV{'request.course.id'}},$number,1); |
&Apache::lonuserstate::evalstate(); |
|
} |
|
if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) { |
|
return $env{'user.state.'.$env{'request.course.id'}.".$number"}; |
|
} elsif ($number =~ /^_/) { |
|
my $sub_condition; |
|
if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db', |
|
&GDBM_READER(),0640)) { |
|
$sub_condition=$bighash{'conditions'.$number}; |
|
untie(%bighash); |
|
} |
|
my $value = &docondval($sub_condition); |
|
&appenv('user.state.'.$env{'request.course.id'}.".$number" => $value); |
|
return $value; |
|
} |
|
if ($env{'user.state.'.$env{'request.course.id'}}) { |
|
return substr($env{'user.state.'.$env{'request.course.id'}},$number,1); |
} else { |
} else { |
return 2; |
return 2; |
} |
} |
} |
} |
|
|
|
# get the collection of conditions for this resource |
sub condval { |
sub condval { |
my $condidx=shift; |
my $condidx=shift; |
my $result=0; |
|
my $allpathcond=''; |
my $allpathcond=''; |
map { |
foreach my $cond (split(/\|/,$condidx)) { |
if (defined($ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_})) { |
if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) { |
$allpathcond.= |
$allpathcond.= |
'('.$ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_}.')|'; |
'('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|'; |
} |
} |
} split(/\|/,$condidx); |
} |
$allpathcond=~s/\|$//; |
$allpathcond=~s/\|$//; |
if ($ENV{'request.course.id'}) { |
return &docondval($allpathcond); |
if ($allpathcond) { |
} |
my $operand='|'; |
|
my @stack; |
#evaluates an expression of conditions |
map { |
sub docondval { |
if ($_ eq '(') { |
my ($allpathcond) = @_; |
push @stack,($operand,$result) |
my $result=0; |
} elsif ($_ eq ')') { |
if ($env{'request.course.id'} |
my $before=pop @stack; |
&& defined($allpathcond)) { |
if (pop @stack eq '&') { |
my $operand='|'; |
$result=$result>$before?$before:$result; |
my @stack; |
} else { |
foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) { |
$result=$result>$before?$result:$before; |
if ($chunk eq '(') { |
} |
push @stack,($operand,$result); |
} elsif (($_ eq '&') || ($_ eq '|')) { |
} elsif ($chunk eq ')') { |
$operand=$_; |
my $before=pop @stack; |
} else { |
if (pop @stack eq '&') { |
my $new=directcondval($_); |
$result=$result>$before?$before:$result; |
if ($operand eq '&') { |
} else { |
$result=$result>$new?$new:$result; |
$result=$result>$before?$result:$before; |
} else { |
} |
$result=$result>$new?$result:$new; |
} elsif (($chunk eq '&') || ($chunk eq '|')) { |
} |
$operand=$chunk; |
} |
} else { |
} ($allpathcond=~/(\d+|\(|\)|\&|\|)/g); |
my $new=directcondval($chunk); |
} |
if ($operand eq '&') { |
|
$result=$result>$new?$new:$result; |
|
} else { |
|
$result=$result>$new?$result:$new; |
|
} |
|
} |
|
} |
} |
} |
return $result; |
return $result; |
} |
} |
|
|
# --------------------------------------------------------- Value of a Variable |
# ---------------------------------------------------- Devalidate courseresdata |
|
|
|
sub devalidatecourseresdata { |
|
my ($coursenum,$coursedomain)=@_; |
|
my $hashid=$coursenum.':'.$coursedomain; |
|
&devalidate_cache_new('courseres',$hashid); |
|
} |
|
|
|
|
|
# --------------------------------------------------- Course Resourcedata Query |
|
# |
|
# Parameters: |
|
# $coursenum - Number of the course. |
|
# $coursedomain - Domain at which the course was created. |
|
# Returns: |
|
# A hash of the course parameters along (I think) with timestamps |
|
# and version info. |
|
|
|
sub get_courseresdata { |
|
my ($coursenum,$coursedomain)=@_; |
|
my $coursehom=&homeserver($coursenum,$coursedomain); |
|
my $hashid=$coursenum.':'.$coursedomain; |
|
my ($result,$cached)=&is_cached_new('courseres',$hashid); |
|
my %dumpreply; |
|
unless (defined($cached)) { |
|
%dumpreply=&dump('resourcedata',$coursedomain,$coursenum); |
|
$result=\%dumpreply; |
|
my ($tmp) = keys(%dumpreply); |
|
if ($tmp !~ /^(con_lost|error|no_such_host)/i) { |
|
&do_cache_new('courseres',$hashid,$result,600); |
|
} elsif ($tmp =~ /^(con_lost|no_such_host)/) { |
|
return $tmp; |
|
} elsif ($tmp =~ /^(error)/) { |
|
$result=undef; |
|
&do_cache_new('courseres',$hashid,$result,600); |
|
} |
|
} |
|
return $result; |
|
} |
|
|
|
sub devalidateuserresdata { |
|
my ($uname,$udom)=@_; |
|
my $hashid="$udom:$uname"; |
|
&devalidate_cache_new('userres',$hashid); |
|
} |
|
|
|
sub get_userresdata { |
|
my ($uname,$udom)=@_; |
|
#most student don\'t have any data set, check if there is some data |
|
if (&EXT_cache_status($udom,$uname)) { return undef; } |
|
|
|
my $hashid="$udom:$uname"; |
|
my ($result,$cached)=&is_cached_new('userres',$hashid); |
|
if (!defined($cached)) { |
|
my %resourcedata=&dump('resourcedata',$udom,$uname); |
|
$result=\%resourcedata; |
|
&do_cache_new('userres',$hashid,$result,600); |
|
} |
|
my ($tmp)=keys(%$result); |
|
if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) { |
|
return $result; |
|
} |
|
#error 2 occurs when the .db doesn't exist |
|
if ($tmp!~/error: 2 /) { |
|
&logthis("<font color=\"blue\">WARNING:". |
|
" Trying to get resource data for ". |
|
$uname." at ".$udom.": ". |
|
$tmp."</font>"); |
|
} elsif ($tmp=~/error: 2 /) { |
|
#&EXT_cache_set($udom,$uname); |
|
&do_cache_new('userres',$hashid,undef,600); |
|
undef($tmp); # not really an error so don't send it back |
|
} |
|
return $tmp; |
|
} |
|
#----------------------------------------------- resdata - return resource data |
|
# Purpose: |
|
# Return resource data for either users or for a course. |
|
# Parameters: |
|
# $name - Course/user name. |
|
# $domain - Name of the domain the user/course is registered on. |
|
# $type - Type of thing $name is (must be 'course' or 'user' |
|
# @which - Array of names of resources desired. |
|
# Returns: |
|
# The value of the first reasource in @which that is found in the |
|
# resource hash. |
|
# Exceptional Conditions: |
|
# If the $type passed in is not valid (not the string 'course' or |
|
# 'user', an undefined reference is returned. |
|
# If none of the resources are found, an undef is returned |
|
sub resdata { |
|
my ($name,$domain,$type,@which)=@_; |
|
my $result; |
|
if ($type eq 'course') { |
|
$result=&get_courseresdata($name,$domain); |
|
} elsif ($type eq 'user') { |
|
$result=&get_userresdata($name,$domain); |
|
} |
|
if (!ref($result)) { return $result; } |
|
foreach my $item (@which) { |
|
if (defined($result->{$item->[0]})) { |
|
return [$result->{$item->[0]},$item->[1]]; |
|
} |
|
} |
|
return undef; |
|
} |
|
|
|
# |
|
# EXT resource caching routines |
|
# |
|
|
|
sub clear_EXT_cache_status { |
|
&delenv('cache.EXT.'); |
|
} |
|
|
|
sub EXT_cache_status { |
|
my ($target_domain,$target_user) = @_; |
|
my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain; |
|
if (exists($env{$cachename}) && ($env{$cachename}+600) > time) { |
|
# We know already the user has no data |
|
return 1; |
|
} else { |
|
return 0; |
|
} |
|
} |
|
|
|
sub EXT_cache_set { |
|
my ($target_domain,$target_user) = @_; |
|
my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain; |
|
#&appenv($cachename => time); |
|
} |
|
|
|
# --------------------------------------------------------- Value of a Variable |
sub EXT { |
sub EXT { |
my $varname=shift; |
|
|
my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; |
unless ($varname) { return ''; } |
unless ($varname) { return ''; } |
|
#get real user name/domain, courseid and symb |
|
my $courseid; |
|
my $publicuser; |
|
if ($symbparm) { |
|
$symbparm=&get_symb_from_alias($symbparm); |
|
} |
|
if (!($uname && $udom)) { |
|
(my $cursymb,$courseid,$udom,$uname,$publicuser)= &whichuser($symbparm); |
|
if (!$symbparm) { $symbparm=$cursymb; } |
|
} else { |
|
$courseid=$env{'request.course.id'}; |
|
} |
my ($realm,$space,$qualifier,@therest)=split(/\./,$varname); |
my ($realm,$space,$qualifier,@therest)=split(/\./,$varname); |
my $rest; |
my $rest; |
if ($therest[0]) { |
if (defined($therest[0])) { |
$rest=join('.',@therest); |
$rest=join('.',@therest); |
} else { |
} else { |
$rest=''; |
$rest=''; |
} |
} |
|
|
my $qualifierrest=$qualifier; |
my $qualifierrest=$qualifier; |
if ($rest) { $qualifierrest.='.'.$rest; } |
if ($rest) { $qualifierrest.='.'.$rest; } |
my $spacequalifierrest=$space; |
my $spacequalifierrest=$space; |
Line 1693 sub EXT {
|
Line 6475 sub EXT {
|
if ($realm eq 'user') { |
if ($realm eq 'user') { |
# --------------------------------------------------------------- user.resource |
# --------------------------------------------------------------- user.resource |
if ($space eq 'resource') { |
if ($space eq 'resource') { |
my %restored=&restore(); |
if ( (defined($Apache::lonhomework::parsing_a_problem) |
return $restored{$qualifierrest}; |
|| defined($Apache::lonhomework::parsing_a_task)) |
|
&& |
|
($symbparm eq &symbread()) ) { |
|
# if we are in the middle of processing the resource the |
|
# get the value we are planning on committing |
|
if (defined($Apache::lonhomework::results{$qualifierrest})) { |
|
return $Apache::lonhomework::results{$qualifierrest}; |
|
} else { |
|
return $Apache::lonhomework::history{$qualifierrest}; |
|
} |
|
} else { |
|
my %restored; |
|
if ($publicuser || $env{'request.state'} eq 'construct') { |
|
%restored=&tmprestore($symbparm,$courseid,$udom,$uname); |
|
} else { |
|
%restored=&restore($symbparm,$courseid,$udom,$uname); |
|
} |
|
return $restored{$qualifierrest}; |
|
} |
# ----------------------------------------------------------------- user.access |
# ----------------------------------------------------------------- user.access |
} elsif ($space eq 'access') { |
} elsif ($space eq 'access') { |
|
# FIXME - not supporting calls for a specific user |
return &allowed($qualifier,$rest); |
return &allowed($qualifier,$rest); |
# ------------------------------------------ user.preferences, user.environment |
# ------------------------------------------ user.preferences, user.environment |
} elsif (($space eq 'preferences') || ($space eq 'environment')) { |
} elsif (($space eq 'preferences') || ($space eq 'environment')) { |
return $ENV{join('.',('environment',$qualifierrest))}; |
if (($uname eq $env{'user.name'}) && |
|
($udom eq $env{'user.domain'})) { |
|
return $env{join('.',('environment',$qualifierrest))}; |
|
} else { |
|
my %returnhash; |
|
if (!$publicuser) { |
|
%returnhash=&userenvironment($udom,$uname, |
|
$qualifierrest); |
|
} |
|
return $returnhash{$qualifierrest}; |
|
} |
# ----------------------------------------------------------------- user.course |
# ----------------------------------------------------------------- user.course |
} elsif ($space eq 'course') { |
} elsif ($space eq 'course') { |
return $ENV{join('.',('request.course',$qualifier))}; |
# FIXME - not supporting calls for a specific user |
|
return $env{join('.',('request.course',$qualifier))}; |
# ------------------------------------------------------------------- user.role |
# ------------------------------------------------------------------- user.role |
} elsif ($space eq 'role') { |
} elsif ($space eq 'role') { |
my ($role,$where)=split(/\./,$ENV{'request.role'}); |
# FIXME - not supporting calls for a specific user |
|
my ($role,$where)=split(/\./,$env{'request.role'}); |
if ($qualifier eq 'value') { |
if ($qualifier eq 'value') { |
return $role; |
return $role; |
} elsif ($qualifier eq 'extent') { |
} elsif ($qualifier eq 'extent') { |
Line 1714 sub EXT {
|
Line 6527 sub EXT {
|
} |
} |
# ----------------------------------------------------------------- user.domain |
# ----------------------------------------------------------------- user.domain |
} elsif ($space eq 'domain') { |
} elsif ($space eq 'domain') { |
return $ENV{'user.domain'}; |
return $udom; |
# ------------------------------------------------------------------- user.name |
# ------------------------------------------------------------------- user.name |
} elsif ($space eq 'name') { |
} elsif ($space eq 'name') { |
return $ENV{'user.name'}; |
return $uname; |
# ---------------------------------------------------- Any other user namespace |
# ---------------------------------------------------- Any other user namespace |
} else { |
} else { |
my $item=($rest)?$qualifier.'.'.$rest:$qualifier; |
my %reply; |
my %reply=&get($space,[$item]); |
if (!$publicuser) { |
return $reply{$item}; |
%reply=&get($space,[$qualifierrest],$udom,$uname); |
|
} |
|
return $reply{$qualifierrest}; |
} |
} |
} elsif ($realm eq 'request') { |
} elsif ($realm eq 'query') { |
|
# ---------------------------------------------- pull stuff out of query string |
|
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
|
[$spacequalifierrest]); |
|
return $env{'form.'.$spacequalifierrest}; |
|
} elsif ($realm eq 'request') { |
# ------------------------------------------------------------- request.browser |
# ------------------------------------------------------------- request.browser |
if ($space eq 'browser') { |
if ($space eq 'browser') { |
return $ENV{'browser.'.$qualifier}; |
if ($qualifier eq 'textremote') { |
|
if (&Apache::lonlocal::mt('textual_remote_display') eq 'on') { |
|
return 1; |
|
} else { |
|
return 0; |
|
} |
|
} else { |
|
return $env{'browser.'.$qualifier}; |
|
} |
# ------------------------------------------------------------ request.filename |
# ------------------------------------------------------------ request.filename |
} else { |
} else { |
return $ENV{'request.'.$spacequalifierrest}; |
return $env{'request.'.$spacequalifierrest}; |
} |
} |
} elsif ($realm eq 'course') { |
} elsif ($realm eq 'course') { |
# ---------------------------------------------------------- course.description |
# ---------------------------------------------------------- course.description |
return $ENV{'course.'.$ENV{'request.course.id'}.'.'. |
return $env{'course.'.$courseid.'.'.$spacequalifierrest}; |
$spacequalifierrest}; |
|
} elsif ($realm eq 'resource') { |
} elsif ($realm eq 'resource') { |
if ($ENV{'request.course.id'}) { |
|
|
if (defined($courseid) && $courseid eq $env{'request.course.id'}) { |
|
if (!$symbparm) { $symbparm=&symbread(); } |
|
} |
|
|
|
if ($space eq 'title') { |
|
if (!$symbparm) { $symbparm = $env{'request.filename'}; } |
|
return &gettitle($symbparm); |
|
} |
|
|
|
if ($space eq 'map') { |
|
my ($map) = &decode_symb($symbparm); |
|
return &symbread($map); |
|
} |
|
if ($space eq 'filename') { |
|
if ($symbparm) { |
|
return &clutter((&decode_symb($symbparm))[2]); |
|
} |
|
return &hreflocation('',$env{'request.filename'}); |
|
} |
|
|
|
my ($section, $group, @groups); |
|
my ($courselevelm,$courselevel); |
|
if ($symbparm && defined($courseid) && |
|
$courseid eq $env{'request.course.id'}) { |
|
|
|
#print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest; |
|
|
# ----------------------------------------------------- Cascading lookup scheme |
# ----------------------------------------------------- Cascading lookup scheme |
my $symbp=&symbread(); |
my $symbp=$symbparm; |
my $mapp=(split(/\_\_\_/,$symbp))[0]; |
my $mapp=&deversion((&decode_symb($symbp))[0]); |
|
|
|
my $symbparm=$symbp.'.'.$spacequalifierrest; |
|
my $mapparm=$mapp.'___(all).'.$spacequalifierrest; |
|
|
my $symbparm=$symbp.'.'.$spacequalifierrest; |
if (($env{'user.name'} eq $uname) && |
my $mapparm=$mapp.'___(all).'.$spacequalifierrest; |
($env{'user.domain'} eq $udom)) { |
|
$section=$env{'request.course.sec'}; |
|
@groups = split(/:/,$env{'request.course.groups'}); |
|
@groups=&sort_course_groups($courseid,@groups); |
|
} else { |
|
if (! defined($usection)) { |
|
$section=&getsection($udom,$uname,$courseid); |
|
} else { |
|
$section = $usection; |
|
} |
|
@groups = &get_users_groups($udom,$uname,$courseid); |
|
} |
|
|
my $seclevel= |
my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest; |
$ENV{'request.course.id'}.'.['. |
my $seclevelr=$courseid.'.['.$section.'].'.$symbparm; |
$ENV{'request.course.sec'}.'].'.$spacequalifierrest; |
my $seclevelm=$courseid.'.['.$section.'].'.$mapparm; |
my $seclevelr= |
|
$ENV{'request.course.id'}.'.['. |
$courselevel=$courseid.'.'.$spacequalifierrest; |
$ENV{'request.course.sec'}.'].'.$symbparm; |
my $courselevelr=$courseid.'.'.$symbparm; |
my $seclevelm= |
$courselevelm=$courseid.'.'.$mapparm; |
$ENV{'request.course.id'}.'.['. |
|
$ENV{'request.course.sec'}.'].'.$mapparm; |
|
|
|
my $courselevel= |
|
$ENV{'request.course.id'}.'.'.$spacequalifierrest; |
|
my $courselevelr= |
|
$ENV{'request.course.id'}.'.'.$symbparm; |
|
my $courselevelm= |
|
$ENV{'request.course.id'}.'.'.$mapparm; |
|
|
|
# ----------------------------------------------------------- first, check user |
# ----------------------------------------------------------- first, check user |
my %resourcedata=get('resourcedata', |
|
[$courselevelr,$courselevelm,$courselevel]); |
|
if (($resourcedata{$courselevelr}!~/^error\:/) && |
|
($resourcedata{$courselevelr}!~/^con_lost/)) { |
|
|
|
if ($resourcedata{$courselevelr}) { |
|
return $resourcedata{$courselevelr}; } |
|
if ($resourcedata{$courselevelm}) { |
|
return $resourcedata{$courselevelm}; } |
|
if ($resourcedata{$courselevel}) { return $resourcedata{$courselevel}; } |
|
|
|
} else { |
my $userreply=&resdata($uname,$udom,'user', |
if ($resourcedata{$courselevelr}!~/No such file/) { |
([$courselevelr,'resource'], |
&logthis("<font color=blue>WARNING:". |
[$courselevelm,'map' ], |
" Trying to get resource data for ".$ENV{'user.name'}." at " |
[$courselevel, 'course' ])); |
.$ENV{'user.domain'}.": ".$resourcedata{$courselevelr}. |
if (defined($userreply)) { return &get_reply($userreply); } |
"</font>"); |
|
} |
# ------------------------------------------------ second, check some of course |
} |
my $coursereply; |
|
if (@groups > 0) { |
|
$coursereply = &check_group_parms($courseid,\@groups,$symbparm, |
|
$mapparm,$spacequalifierrest); |
|
if (defined($coursereply)) { return &get_reply($coursereply); } |
|
} |
|
|
# -------------------------------------------------------- second, check course |
$coursereply=&resdata($env{'course.'.$courseid.'.num'}, |
|
$env{'course.'.$courseid.'.domain'}, |
|
'course', |
|
([$seclevelr, 'resource'], |
|
[$seclevelm, 'map' ], |
|
[$seclevel, 'course' ], |
|
[$courselevelr,'resource'])); |
|
if (defined($coursereply)) { return &get_reply($coursereply); } |
|
|
my $reply=&reply('get:'. |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'. |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.num'}. |
|
':resourcedata:'. |
|
&escape($seclevelr).'&'.&escape($seclevelm).'&'.&escape($seclevel).'&'. |
|
&escape($courselevelr).'&'.&escape($courselevelm).'&'.&escape($courselevel), |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}); |
|
if ($reply!~/^error\:/) { |
|
map { |
|
if ($_) { return &unescape($_); } |
|
} split(/\&/,$reply); |
|
} |
|
if (($reply=~/^con_lost/) || ($reply=~/^error\:/)) { |
|
&logthis("<font color=blue>WARNING:". |
|
" Getting ".$reply." asking for ".$varname." for ". |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.num'}. |
|
' at '. |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}. |
|
' from '. |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}. |
|
"</font>"); |
|
} |
|
# ------------------------------------------------------ third, check map parms |
# ------------------------------------------------------ third, check map parms |
my %parmhash=(); |
my %parmhash=(); |
my $thisparm=''; |
my $thisparm=''; |
if (tie(%parmhash,'GDBM_File', |
if (tie(%parmhash,'GDBM_File', |
$ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640)) { |
$env{'request.course.fn'}.'_parms.db', |
$thisparm=$parmhash{$symbparm}; |
&GDBM_READER(),0640)) { |
untie(%parmhash); |
$thisparm=$parmhash{$symbparm}; |
} |
untie(%parmhash); |
if ($thisparm) { return $thisparm; } |
} |
} |
if ($thisparm) { return &get_reply([$thisparm,'resource']); } |
|
} |
# --------------------------------------------- last, look in resource metadata |
# ------------------------------------------ fourth, look in resource metadata |
|
|
$spacequalifierrest=~s/\./\_/; |
|
my $metadata=&metadata($ENV{'request.filename'},$spacequalifierrest); |
|
if ($metadata) { return $metadata; } |
|
$metadata=&metadata($ENV{'request.filename'}, |
|
'parameter_'.$spacequalifierrest); |
|
if ($metadata) { return $metadata; } |
|
|
|
|
$spacequalifierrest=~s/\./\_/; |
|
my $filename; |
|
if (!$symbparm) { $symbparm=&symbread(); } |
|
if ($symbparm) { |
|
$filename=(&decode_symb($symbparm))[2]; |
|
} else { |
|
$filename=$env{'request.filename'}; |
|
} |
|
my $metadata=&metadata($filename,$spacequalifierrest); |
|
if (defined($metadata)) { return &get_reply([$metadata,'resource']); } |
|
$metadata=&metadata($filename,'parameter_'.$spacequalifierrest); |
|
if (defined($metadata)) { return &get_reply([$metadata,'resource']); } |
|
|
|
# ---------------------------------------------- fourth, look in rest of course |
|
if ($symbparm && defined($courseid) && |
|
$courseid eq $env{'request.course.id'}) { |
|
my $coursereply=&resdata($env{'course.'.$courseid.'.num'}, |
|
$env{'course.'.$courseid.'.domain'}, |
|
'course', |
|
([$courselevelm,'map' ], |
|
[$courselevel, 'course'])); |
|
if (defined($coursereply)) { return &get_reply($coursereply); } |
|
} |
|
# ------------------------------------------------------------------ Cascade up |
|
unless ($space eq '0') { |
|
my @parts=split(/_/,$space); |
|
my $id=pop(@parts); |
|
my $part=join('_',@parts); |
|
if ($part eq '') { $part='0'; } |
|
my @partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest, |
|
$symbparm,$udom,$uname,$section,1); |
|
if (@partgeneral) { return &get_reply(\@partgeneral); } |
|
} |
|
if ($recurse) { return undef; } |
|
my $pack_def=&packages_tab_default($filename,$varname); |
|
if (defined($pack_def)) { return &get_reply([$pack_def,'resource']); } |
# ---------------------------------------------------- Any other user namespace |
# ---------------------------------------------------- Any other user namespace |
} elsif ($realm eq 'environment') { |
} elsif ($realm eq 'environment') { |
# ----------------------------------------------------------------- environment |
# ----------------------------------------------------------------- environment |
return $ENV{'environment.'.$spacequalifierrest}; |
if (($uname eq $env{'user.name'})&&($udom eq $env{'user.domain'})) { |
|
return $env{'environment.'.$spacequalifierrest}; |
|
} else { |
|
if ($uname eq 'anonymous' && $udom eq '') { |
|
return ''; |
|
} |
|
my %returnhash=&userenvironment($udom,$uname, |
|
$spacequalifierrest); |
|
return $returnhash{$spacequalifierrest}; |
|
} |
} elsif ($realm eq 'system') { |
} elsif ($realm eq 'system') { |
# ----------------------------------------------------------------- system.time |
# ----------------------------------------------------------------- system.time |
if ($space eq 'time') { |
if ($space eq 'time') { |
return time; |
return time; |
} |
} |
|
} elsif ($realm eq 'server') { |
|
# ----------------------------------------------------------------- system.time |
|
if ($space eq 'name') { |
|
return $ENV{'SERVER_NAME'}; |
|
} |
} |
} |
return ''; |
return ''; |
} |
} |
|
|
|
sub get_reply { |
|
my ($reply_value) = @_; |
|
if (wantarray) { |
|
return @$reply_value; |
|
} |
|
return $reply_value->[0]; |
|
} |
|
|
|
sub check_group_parms { |
|
my ($courseid,$groups,$symbparm,$mapparm,$what) = @_; |
|
my @groupitems = (); |
|
my $resultitem; |
|
my @levels = ([$symbparm,'resource'],[$mapparm,'map'],[$what,'course']); |
|
foreach my $group (@{$groups}) { |
|
foreach my $level (@levels) { |
|
my $item = $courseid.'.['.$group.'].'.$level->[0]; |
|
push(@groupitems,[$item,$level->[1]]); |
|
} |
|
} |
|
my $coursereply = &resdata($env{'course.'.$courseid.'.num'}, |
|
$env{'course.'.$courseid.'.domain'}, |
|
'course',@groupitems); |
|
return $coursereply; |
|
} |
|
|
|
sub sort_course_groups { # Sort groups based on defined rankings. Default is sort(). |
|
my ($courseid,@groups) = @_; |
|
@groups = sort(@groups); |
|
return @groups; |
|
} |
|
|
|
sub packages_tab_default { |
|
my ($uri,$varname)=@_; |
|
my (undef,$part,$name)=split(/\./,$varname); |
|
|
|
my (@extension,@specifics,$do_default); |
|
foreach my $package (split(/,/,&metadata($uri,'packages'))) { |
|
my ($pack_type,$pack_part)=split(/_/,$package,2); |
|
if ($pack_type eq 'default') { |
|
$do_default=1; |
|
} elsif ($pack_type eq 'extension') { |
|
push(@extension,[$package,$pack_type,$pack_part]); |
|
} elsif ($pack_part eq $part || $pack_type eq 'part') { |
|
# only look at packages defaults for packages that this id is |
|
push(@specifics,[$package,$pack_type,$pack_part]); |
|
} |
|
} |
|
# first look for a package that matches the requested part id |
|
foreach my $package (@specifics) { |
|
my (undef,$pack_type,$pack_part)=@{$package}; |
|
next if ($pack_part ne $part); |
|
if (defined($packagetab{"$pack_type&$name&default"})) { |
|
return $packagetab{"$pack_type&$name&default"}; |
|
} |
|
} |
|
# look for any possible matching non extension_ package |
|
foreach my $package (@specifics) { |
|
my (undef,$pack_type,$pack_part)=@{$package}; |
|
if (defined($packagetab{"$pack_type&$name&default"})) { |
|
return $packagetab{"$pack_type&$name&default"}; |
|
} |
|
if ($pack_type eq 'part') { $pack_part='0'; } |
|
if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) { |
|
return $packagetab{$pack_type."_".$pack_part."&$name&default"}; |
|
} |
|
} |
|
# look for any posible extension_ match |
|
foreach my $package (@extension) { |
|
my ($package,$pack_type)=@{$package}; |
|
if (defined($packagetab{"$pack_type&$name&default"})) { |
|
return $packagetab{"$pack_type&$name&default"}; |
|
} |
|
if (defined($packagetab{$package."&$name&default"})) { |
|
return $packagetab{$package."&$name&default"}; |
|
} |
|
} |
|
# look for a global default setting |
|
if ($do_default && defined($packagetab{"default&$name&default"})) { |
|
return $packagetab{"default&$name&default"}; |
|
} |
|
return undef; |
|
} |
|
|
|
sub add_prefix_and_part { |
|
my ($prefix,$part)=@_; |
|
my $keyroot; |
|
if (defined($prefix) && $prefix !~ /^__/) { |
|
# prefix that has a part already |
|
$keyroot=$prefix; |
|
} elsif (defined($prefix)) { |
|
# prefix that is missing a part |
|
if (defined($part)) { $keyroot='_'.$part.substr($prefix,1); } |
|
} else { |
|
# no prefix at all |
|
if (defined($part)) { $keyroot='_'.$part; } |
|
} |
|
return $keyroot; |
|
} |
|
|
# ---------------------------------------------------------------- Get metadata |
# ---------------------------------------------------------------- Get metadata |
|
|
|
my %metaentry; |
sub metadata { |
sub metadata { |
my ($uri,$what)=@_; |
my ($uri,$what,$liburi,$prefix,$depthcount)=@_; |
|
|
$uri=&declutter($uri); |
$uri=&declutter($uri); |
|
# if it is a non metadata possible uri return quickly |
|
if (($uri eq '') || |
|
(($uri =~ m|^/*adm/|) && |
|
($uri !~ m|^adm/includes|) && ($uri !~ m|/bulletinboard$|)) || |
|
($uri =~ m|/$|) || ($uri =~ m|/.meta$|) ) { |
|
return undef; |
|
} |
|
if (($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) |
|
&& &Apache::lonxml::get_state('target') =~ /^(|meta)$/) { |
|
return undef; |
|
} |
my $filename=$uri; |
my $filename=$uri; |
$uri=~s/\.meta$//; |
$uri=~s/\.meta$//; |
unless ($metacache{$uri.':keys'}) { |
# |
|
# Is the metadata already cached? |
|
# Look at timestamp of caching |
|
# Everything is cached by the main uri, libraries are never directly cached |
|
# |
|
if (!defined($liburi)) { |
|
my ($result,$cached)=&is_cached_new('meta',$uri); |
|
if (defined($cached)) { return $result->{':'.$what}; } |
|
} |
|
{ |
|
# |
|
# Is this a recursive call for a library? |
|
# |
|
# if (! exists($metacache{$uri})) { |
|
# $metacache{$uri}={}; |
|
# } |
|
my $cachetime = 60*60; |
|
if ($liburi) { |
|
$liburi=&declutter($liburi); |
|
$filename=$liburi; |
|
} else { |
|
&devalidate_cache_new('meta',$uri); |
|
undef(%metaentry); |
|
} |
|
my %metathesekeys=(); |
unless ($filename=~/\.meta$/) { $filename.='.meta'; } |
unless ($filename=~/\.meta$/) { $filename.='.meta'; } |
my $metastring=&getfile($perlvar{'lonDocRoot'}.'/res/'.$filename); |
my $metastring; |
my $parser=HTML::TokeParser->new(\$metastring); |
if ($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) { |
|
my $which = &hreflocation('','/'.($liburi || $uri)); |
|
$metastring = |
|
&Apache::lonnet::ssi_body($which, |
|
('grade_target' => 'meta')); |
|
$cachetime = 1; # only want this cached in the child not long term |
|
} elsif ($uri !~ m -^(editupload)/-) { |
|
my $file=&filelocation('',&clutter($filename)); |
|
#push(@{$metaentry{$uri.'.file'}},$file); |
|
$metastring=&getfile($file); |
|
} |
|
my $parser=HTML::LCParser->new(\$metastring); |
my $token; |
my $token; |
|
undef %metathesekeys; |
while ($token=$parser->get_token) { |
while ($token=$parser->get_token) { |
if ($token->[0] eq 'S') { |
if ($token->[0] eq 'S') { |
my $entry=$token->[1]; |
if (defined($token->[2]->{'package'})) { |
my $unikey=$entry; |
# |
if (defined($token->[2]->{'part'})) { |
# This is a package - get package info |
$unikey.='_'.$token->[2]->{'part'}; |
# |
} |
my $package=$token->[2]->{'package'}; |
if (defined($token->[2]->{'name'})) { |
my $keyroot=&add_prefix_and_part($prefix,$token->[2]->{'part'}); |
$unikey.='_'.$token->[2]->{'name'}; |
if (defined($token->[2]->{'id'})) { |
} |
$keyroot.='_'.$token->[2]->{'id'}; |
if ($metacache{$uri.':keys'}) { |
} |
$metacache{$uri.':keys'}.=','.$unikey; |
if ($metaentry{':packages'}) { |
} else { |
$metaentry{':packages'}.=','.$package.$keyroot; |
$metacache{$uri.':keys'}=$unikey; |
} else { |
} |
$metaentry{':packages'}=$package.$keyroot; |
map { |
} |
$metacache{$uri.':'.$unikey.'.'.$_}=$token->[2]->{$_}; |
foreach my $pack_entry (keys(%packagetab)) { |
} @{$token->[3]}; |
my $part=$keyroot; |
unless ( |
$part=~s/^\_//; |
$metacache{$uri.':'.$unikey}=$parser->get_text('/'.$entry) |
if ($pack_entry=~/^\Q$package\E\&/ || |
) { $metacache{$uri.':'.$unikey}= |
$pack_entry=~/^\Q$package\E_0\&/) { |
$metacache{$uri.':'.$unikey.'.default'}; |
my ($pack,$name,$subp)=split(/\&/,$pack_entry); |
} |
# ignore package.tab specified default values |
} |
# here &package_tab_default() will fetch those |
} |
if ($subp eq 'default') { next; } |
|
my $value=$packagetab{$pack_entry}; |
|
my $unikey; |
|
if ($pack =~ /_0$/) { |
|
$unikey='parameter_0_'.$name; |
|
$part=0; |
|
} else { |
|
$unikey='parameter'.$keyroot.'_'.$name; |
|
} |
|
if ($subp eq 'display') { |
|
$value.=' [Part: '.$part.']'; |
|
} |
|
$metaentry{':'.$unikey.'.part'}=$part; |
|
$metathesekeys{$unikey}=1; |
|
unless (defined($metaentry{':'.$unikey.'.'.$subp})) { |
|
$metaentry{':'.$unikey.'.'.$subp}=$value; |
|
} |
|
if (defined($metaentry{':'.$unikey.'.default'})) { |
|
$metaentry{':'.$unikey}= |
|
$metaentry{':'.$unikey.'.default'}; |
|
} |
|
} |
|
} |
|
} else { |
|
# |
|
# This is not a package - some other kind of start tag |
|
# |
|
my $entry=$token->[1]; |
|
my $unikey; |
|
if ($entry eq 'import') { |
|
$unikey=''; |
|
} else { |
|
$unikey=$entry; |
|
} |
|
$unikey.=&add_prefix_and_part($prefix,$token->[2]->{'part'}); |
|
|
|
if (defined($token->[2]->{'id'})) { |
|
$unikey.='_'.$token->[2]->{'id'}; |
|
} |
|
|
|
if ($entry eq 'import') { |
|
# |
|
# Importing a library here |
|
# |
|
if ($depthcount<20) { |
|
my $location=$parser->get_text('/import'); |
|
my $dir=$filename; |
|
$dir=~s|[^/]*$||; |
|
$location=&filelocation($dir,$location); |
|
my $metadata = |
|
&metadata($uri,'keys', $location,$unikey, |
|
$depthcount+1); |
|
foreach my $meta (split(',',$metadata)) { |
|
$metaentry{':'.$meta}=$metaentry{':'.$meta}; |
|
$metathesekeys{$meta}=1; |
|
} |
|
} |
|
} else { |
|
|
|
if (defined($token->[2]->{'name'})) { |
|
$unikey.='_'.$token->[2]->{'name'}; |
|
} |
|
$metathesekeys{$unikey}=1; |
|
foreach my $param (@{$token->[3]}) { |
|
$metaentry{':'.$unikey.'.'.$param} = |
|
$token->[2]->{$param}; |
|
} |
|
my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry)); |
|
my $default=$metaentry{':'.$unikey.'.default'}; |
|
if ( $internaltext =~ /^\s*$/ && $default !~ /^\s*$/) { |
|
# only ws inside the tag, and not in default, so use default |
|
# as value |
|
$metaentry{':'.$unikey}=$default; |
|
} elsif ( $internaltext =~ /\S/ ) { |
|
# something interesting inside the tag |
|
$metaentry{':'.$unikey}=$internaltext; |
|
} else { |
|
# no interesting values, don't set a default |
|
} |
|
# end of not-a-package not-a-library import |
|
} |
|
# end of not-a-package start tag |
|
} |
|
# the next is the end of "start tag" |
|
} |
|
} |
|
my ($extension) = ($uri =~ /\.(\w+)$/); |
|
$extension = lc($extension); |
|
if ($extension eq 'htm') { $extension='html'; } |
|
|
|
foreach my $key (keys(%packagetab)) { |
|
#no specific packages #how's our extension |
|
if ($key!~/^extension_\Q$extension\E&/) { next; } |
|
&metadata_create_package_def($uri,$key,'extension_'.$extension, |
|
\%metathesekeys); |
|
} |
|
|
|
if (!exists($metaentry{':packages'}) |
|
|| $packagetab{"import_defaults&extension_$extension"}) { |
|
foreach my $key (keys(%packagetab)) { |
|
#no specific packages well let's get default then |
|
if ($key!~/^default&/) { next; } |
|
&metadata_create_package_def($uri,$key,'default', |
|
\%metathesekeys); |
|
} |
|
} |
|
# are there custom rights to evaluate |
|
if ($metaentry{':copyright'} eq 'custom') { |
|
|
|
# |
|
# Importing a rights file here |
|
# |
|
unless ($depthcount) { |
|
my $location=$metaentry{':customdistributionfile'}; |
|
my $dir=$filename; |
|
$dir=~s|[^/]*$||; |
|
$location=&filelocation($dir,$location); |
|
my $rights_metadata = |
|
&metadata($uri,'keys',$location,'_rights', |
|
$depthcount+1); |
|
foreach my $rights (split(',',$rights_metadata)) { |
|
#$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights}; |
|
$metathesekeys{$rights}=1; |
|
} |
|
} |
|
} |
|
# uniqifiy package listing |
|
my %seen; |
|
my @uniq_packages = |
|
grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'})); |
|
$metaentry{':packages'} = join(',',@uniq_packages); |
|
|
|
$metaentry{':keys'} = join(',',keys(%metathesekeys)); |
|
&metadata_generate_part0(\%metathesekeys,\%metaentry,$uri); |
|
$metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys); |
|
&do_cache_new('meta',$uri,\%metaentry,$cachetime); |
|
# this is the end of "was not already recently cached |
|
} |
|
return $metaentry{':'.$what}; |
|
} |
|
|
|
sub metadata_create_package_def { |
|
my ($uri,$key,$package,$metathesekeys)=@_; |
|
my ($pack,$name,$subp)=split(/\&/,$key); |
|
if ($subp eq 'default') { next; } |
|
|
|
if (defined($metaentry{':packages'})) { |
|
$metaentry{':packages'}.=','.$package; |
|
} else { |
|
$metaentry{':packages'}=$package; |
|
} |
|
my $value=$packagetab{$key}; |
|
my $unikey; |
|
$unikey='parameter_0_'.$name; |
|
$metaentry{':'.$unikey.'.part'}=0; |
|
$$metathesekeys{$unikey}=1; |
|
unless (defined($metaentry{':'.$unikey.'.'.$subp})) { |
|
$metaentry{':'.$unikey.'.'.$subp}=$value; |
|
} |
|
if (defined($metaentry{':'.$unikey.'.default'})) { |
|
$metaentry{':'.$unikey}= |
|
$metaentry{':'.$unikey.'.default'}; |
|
} |
|
} |
|
|
|
sub metadata_generate_part0 { |
|
my ($metadata,$metacache,$uri) = @_; |
|
my %allnames; |
|
foreach my $metakey (keys(%$metadata)) { |
|
if ($metakey=~/^parameter\_(.*)/) { |
|
my $part=$$metacache{':'.$metakey.'.part'}; |
|
my $name=$$metacache{':'.$metakey.'.name'}; |
|
if (! exists($$metadata{'parameter_0_'.$name.'.name'})) { |
|
$allnames{$name}=$part; |
|
} |
|
} |
|
} |
|
foreach my $name (keys(%allnames)) { |
|
$$metadata{"parameter_0_$name"}=1; |
|
my $key=":parameter_0_$name"; |
|
$$metacache{"$key.part"}='0'; |
|
$$metacache{"$key.name"}=$name; |
|
$$metacache{"$key.type"}=$$metacache{':parameter_'. |
|
$allnames{$name}.'_'.$name. |
|
'.type'}; |
|
my $olddis=$$metacache{':parameter_'.$allnames{$name}.'_'.$name. |
|
'.display'}; |
|
my $expr='[Part: '.$allnames{$name}.']'; |
|
$olddis=~s/\Q$expr\E/\[Part: 0\]/; |
|
$$metacache{"$key.display"}=$olddis; |
} |
} |
return $metacache{$uri.':'.$what}; |
|
} |
} |
|
|
|
# ------------------------------------------------------ Devalidate title cache |
|
|
|
sub devalidate_title_cache { |
|
my ($url)=@_; |
|
if (!$env{'request.course.id'}) { return; } |
|
my $symb=&symbread($url); |
|
if (!$symb) { return; } |
|
my $key=$env{'request.course.id'}."\0".$symb; |
|
&devalidate_cache_new('title',$key); |
|
} |
|
|
|
# ------------------------------------------------- Get the title of a resource |
|
|
|
sub gettitle { |
|
my $urlsymb=shift; |
|
my $symb=&symbread($urlsymb); |
|
if ($symb) { |
|
my $key=$env{'request.course.id'}."\0".$symb; |
|
my ($result,$cached)=&is_cached_new('title',$key); |
|
if (defined($cached)) { |
|
return $result; |
|
} |
|
my ($map,$resid,$url)=&decode_symb($symb); |
|
my $title=''; |
|
if (!$map && $resid == 0 && $url =~/default\.sequence$/) { |
|
$title = $env{'course.'.$env{'request.course.id'}.'.description'}; |
|
} else { |
|
if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db', |
|
&GDBM_READER(),0640)) { |
|
my $mapid=$bighash{'map_pc_'.&clutter($map)}; |
|
$title=$bighash{'title_'.$mapid.'.'.$resid}; |
|
untie(%bighash); |
|
} |
|
} |
|
$title=~s/\&colon\;/\:/gs; |
|
if ($title) { |
|
return &do_cache_new('title',$key,$title,600); |
|
} |
|
$urlsymb=$url; |
|
} |
|
my $title=&metadata($urlsymb,'title'); |
|
if (!$title) { $title=(split('/',$urlsymb))[-1]; } |
|
return $title; |
|
} |
|
|
|
sub get_slot { |
|
my ($which,$cnum,$cdom)=@_; |
|
if (!$cnum || !$cdom) { |
|
(undef,my $courseid)=&whichuser(); |
|
$cdom=$env{'course.'.$courseid.'.domain'}; |
|
$cnum=$env{'course.'.$courseid.'.num'}; |
|
} |
|
my $key=join("\0",'slots',$cdom,$cnum,$which); |
|
my %slotinfo; |
|
if (exists($remembered{$key})) { |
|
$slotinfo{$which} = $remembered{$key}; |
|
} else { |
|
%slotinfo=&get('slots',[$which],$cdom,$cnum); |
|
&Apache::lonhomework::showhash(%slotinfo); |
|
my ($tmp)=keys(%slotinfo); |
|
if ($tmp=~/^error:/) { return (); } |
|
$remembered{$key} = $slotinfo{$which}; |
|
} |
|
if (ref($slotinfo{$which}) eq 'HASH') { |
|
return %{$slotinfo{$which}}; |
|
} |
|
return $slotinfo{$which}; |
|
} |
# ------------------------------------------------- Update symbolic store links |
# ------------------------------------------------- Update symbolic store links |
|
|
sub symblist { |
sub symblist { |
my ($mapname,%newhash)=@_; |
my ($mapname,%newhash)=@_; |
$mapname=declutter($mapname); |
$mapname=&deversion(&declutter($mapname)); |
my %hash; |
my %hash; |
if (($ENV{'request.course.fn'}) && (%newhash)) { |
if (($env{'request.course.fn'}) && (%newhash)) { |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
&GDBM_WRCREAT,0640)) { |
&GDBM_WRCREAT(),0640)) { |
map { |
foreach my $url (keys %newhash) { |
$hash{declutter($_)}=$mapname.'___'.$newhash{$_}; |
next if ($url eq 'last_known' |
} keys %newhash; |
&& $env{'form.no_update_last_known'}); |
|
$hash{declutter($url)}=&encode_symb($mapname, |
|
$newhash{$url}->[1], |
|
$newhash{$url}->[0]); |
|
} |
if (untie(%hash)) { |
if (untie(%hash)) { |
return 'ok'; |
return 'ok'; |
} |
} |
Line 1902 sub symblist {
|
Line 7190 sub symblist {
|
return 'error'; |
return 'error'; |
} |
} |
|
|
|
# --------------------------------------------------------------- Verify a symb |
|
|
|
sub symbverify { |
|
my ($symb,$thisurl)=@_; |
|
my $thisfn=$thisurl; |
|
$thisfn=&declutter($thisfn); |
|
# direct jump to resource in page or to a sequence - will construct own symbs |
|
if ($thisfn=~/\.(page|sequence)$/) { return 1; } |
|
# check URL part |
|
my ($map,$resid,$url)=&decode_symb($symb); |
|
|
|
unless ($url eq $thisfn) { return 0; } |
|
|
|
$symb=&symbclean($symb); |
|
$thisurl=&deversion($thisurl); |
|
$thisfn=&deversion($thisfn); |
|
|
|
my %bighash; |
|
my $okay=0; |
|
|
|
if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', |
|
&GDBM_READER(),0640)) { |
|
my $ids=$bighash{'ids_'.&clutter($thisurl)}; |
|
unless ($ids) { |
|
$ids=$bighash{'ids_/'.$thisurl}; |
|
} |
|
if ($ids) { |
|
# ------------------------------------------------------------------- Has ID(s) |
|
foreach my $id (split(/\,/,$ids)) { |
|
my ($mapid,$resid)=split(/\./,$id); |
|
if ( |
|
&symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) |
|
eq $symb) { |
|
if (($env{'request.role.adv'}) || |
|
$bighash{'encrypted_'.$id} eq $env{'request.enc'}) { |
|
$okay=1; |
|
} |
|
} |
|
} |
|
} |
|
untie(%bighash); |
|
} |
|
return $okay; |
|
} |
|
|
|
# --------------------------------------------------------------- Clean-up symb |
|
|
|
sub symbclean { |
|
my $symb=shift; |
|
if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } |
|
# remove version from map |
|
$symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/; |
|
|
|
# remove version from URL |
|
$symb=~s/\.(\d+)\.(\w+)$/\.$2/; |
|
|
|
# remove wrapper |
|
|
|
$symb=~s/(\_\_\_\d+\_\_\_)adm\/wrapper\/(res\/)*/$1/; |
|
$symb=~s/(\_\_\_\d+\_\_\_)adm\/coursedocs\/showdoc\/(res\/)*/$1/; |
|
return $symb; |
|
} |
|
|
|
# ---------------------------------------------- Split symb to find map and url |
|
|
|
sub encode_symb { |
|
my ($map,$resid,$url)=@_; |
|
return &symbclean(&declutter($map).'___'.$resid.'___'.&declutter($url)); |
|
} |
|
|
|
sub decode_symb { |
|
my $symb=shift; |
|
if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } |
|
my ($map,$resid,$url)=split(/___/,$symb); |
|
return (&fixversion($map),$resid,&fixversion($url)); |
|
} |
|
|
|
sub fixversion { |
|
my $fn=shift; |
|
if ($fn=~/^(adm|uploaded|editupload|public)/) { return $fn; } |
|
my %bighash; |
|
my $uri=&clutter($fn); |
|
my $key=$env{'request.course.id'}.'_'.$uri; |
|
# is this cached? |
|
my ($result,$cached)=&is_cached_new('courseresversion',$key); |
|
if (defined($cached)) { return $result; } |
|
# unfortunately not cached, or expired |
|
if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', |
|
&GDBM_READER(),0640)) { |
|
if ($bighash{'version_'.$uri}) { |
|
my $version=$bighash{'version_'.$uri}; |
|
unless (($version eq 'mostrecent') || |
|
($version==&getversion($uri))) { |
|
$uri=~s/\.(\w+)$/\.$version\.$1/; |
|
} |
|
} |
|
untie %bighash; |
|
} |
|
return &do_cache_new('courseresversion',$key,&declutter($uri),600); |
|
} |
|
|
|
sub deversion { |
|
my $url=shift; |
|
$url=~s/\.\d+\.(\w+)$/\.$1/; |
|
return $url; |
|
} |
|
|
# ------------------------------------------------------ Return symb list entry |
# ------------------------------------------------------ Return symb list entry |
|
|
sub symbread { |
sub symbread { |
my $thisfn=shift; |
my ($thisfn,$donotrecurse)=@_; |
|
my $cache_str='request.symbread.cached.'.$thisfn; |
|
if (defined($env{$cache_str})) { return $env{$cache_str}; } |
|
# no filename provided? try from environment |
unless ($thisfn) { |
unless ($thisfn) { |
$thisfn=$ENV{'request.filename'}; |
if ($env{'request.symb'}) { |
|
return $env{$cache_str}=&symbclean($env{'request.symb'}); |
|
} |
|
$thisfn=$env{'request.filename'}; |
|
} |
|
if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } |
|
# is that filename actually a symb? Verify, clean, and return |
|
if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) { |
|
if (&symbverify($thisfn,$1)) { |
|
return $env{$cache_str}=&symbclean($thisfn); |
|
} |
} |
} |
$thisfn=declutter($thisfn); |
$thisfn=declutter($thisfn); |
my %hash; |
my %hash; |
my %bighash; |
my %bighash; |
my $syval=''; |
my $syval=''; |
if (($ENV{'request.course.fn'}) && ($thisfn)) { |
if (($env{'request.course.fn'}) && ($thisfn)) { |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
my $targetfn = $thisfn; |
&GDBM_READER,0640)) { |
if ( ($thisfn =~ m/^(uploaded|editupload)\//) && ($thisfn !~ m/\.(page|sequence)$/) ) { |
$syval=$hash{$thisfn}; |
$targetfn = 'adm/wrapper/'.$thisfn; |
|
} |
|
if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) { |
|
$targetfn=$1; |
|
} |
|
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', |
|
&GDBM_READER(),0640)) { |
|
$syval=$hash{$targetfn}; |
untie(%hash); |
untie(%hash); |
} |
} |
# ---------------------------------------------------------- There was an entry |
# ---------------------------------------------------------- There was an entry |
if ($syval) { |
if ($syval) { |
unless ($syval=~/\_\d+$/) { |
#unless ($syval=~/\_\d+$/) { |
unless ($ENV{'form.request.prefix'}=~/\.(\d+)\_$/) { |
#unless ($env{'form.request.prefix'}=~/\.(\d+)\_$/) { |
&appenv('request.ambiguous' => $thisfn); |
#&appenv('request.ambiguous' => $thisfn); |
return ''; |
#return $env{$cache_str}=''; |
} |
#} |
$syval.=$1; |
#$syval.=$1; |
} |
#} |
} else { |
} else { |
# ------------------------------------------------------- Was not in symb table |
# ------------------------------------------------------- Was not in symb table |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', |
&GDBM_READER,0640)) { |
&GDBM_READER(),0640)) { |
# ---------------------------------------------- Get ID(s) for current resource |
# ---------------------------------------------- Get ID(s) for current resource |
my $ids=$bighash{'ids_/res/'.$thisfn}; |
my $ids=$bighash{'ids_'.&clutter($thisfn)}; |
unless ($ids) { |
unless ($ids) { |
$ids=$bighash{'ids_/'.$thisfn}; |
$ids=$bighash{'ids_/'.$thisfn}; |
} |
} |
|
unless ($ids) { |
|
# alias? |
|
$ids=$bighash{'mapalias_'.$thisfn}; |
|
} |
if ($ids) { |
if ($ids) { |
# ------------------------------------------------------------------- Has ID(s) |
# ------------------------------------------------------------------- Has ID(s) |
my @possibilities=split(/\,/,$ids); |
my @possibilities=split(/\,/,$ids); |
if ($#possibilities==0) { |
if ($#possibilities==0) { |
# ----------------------------------------------- There is only one possibility |
# ----------------------------------------------- There is only one possibility |
my ($mapid,$resid)=split(/\./,$ids); |
my ($mapid,$resid)=split(/\./,$ids); |
$syval=declutter($bighash{'map_id_'.$mapid}).'___'.$resid; |
$syval=&encode_symb($bighash{'map_id_'.$mapid}, |
} else { |
$resid,$thisfn); |
|
} elsif (!$donotrecurse) { |
# ------------------------------------------ There is more than one possibility |
# ------------------------------------------ There is more than one possibility |
my $realpossible=0; |
my $realpossible=0; |
map { |
foreach my $id (@possibilities) { |
my $file=$bighash{'src_'.$_}; |
my $file=$bighash{'src_'.$id}; |
if (&allowed('bre',$file)) { |
if (&allowed('bre',$file)) { |
my ($mapid,$resid)=split(/\./,$_); |
my ($mapid,$resid)=split(/\./,$id); |
if ($bighash{'map_type_'.$mapid} ne 'page') { |
if ($bighash{'map_type_'.$mapid} ne 'page') { |
$realpossible++; |
$realpossible++; |
$syval=declutter($bighash{'map_id_'.$mapid}). |
$syval=&encode_symb($bighash{'map_id_'.$mapid}, |
'___'.$resid; |
$resid,$thisfn); |
} |
} |
} |
} |
} @possibilities; |
} |
if ($realpossible!=1) { $syval=''; } |
if ($realpossible!=1) { $syval=''; } |
|
} else { |
|
$syval=''; |
} |
} |
} |
} |
untie(%bighash) |
untie(%bighash) |
} |
} |
} |
} |
if ($syval) { |
if ($syval) { |
return $syval.'___'.$thisfn; |
return $env{$cache_str}=$syval; |
} |
} |
} |
} |
&appenv('request.ambiguous' => $thisfn); |
&appenv('request.ambiguous' => $thisfn); |
return ''; |
return $env{$cache_str}=''; |
} |
} |
|
|
# ---------------------------------------------------------- Return random seed |
# ---------------------------------------------------------- Return random seed |
Line 1983 sub numval {
|
Line 7405 sub numval {
|
$txt=~tr/U-Z/0-5/; |
$txt=~tr/U-Z/0-5/; |
$txt=~tr/u-z/0-5/; |
$txt=~tr/u-z/0-5/; |
$txt=~s/\D//g; |
$txt=~s/\D//g; |
|
if ($_64bit) { if ($txt > 2**32) { return -1; } } |
return int($txt); |
return int($txt); |
} |
} |
|
|
|
sub numval2 { |
|
my $txt=shift; |
|
$txt=~tr/A-J/0-9/; |
|
$txt=~tr/a-j/0-9/; |
|
$txt=~tr/K-T/0-9/; |
|
$txt=~tr/k-t/0-9/; |
|
$txt=~tr/U-Z/0-5/; |
|
$txt=~tr/u-z/0-5/; |
|
$txt=~s/\D//g; |
|
my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); |
|
my $total; |
|
foreach my $val (@txts) { $total+=$val; } |
|
if ($_64bit) { if ($total > 2**32) { return -1; } } |
|
return int($total); |
|
} |
|
|
|
sub numval3 { |
|
use integer; |
|
my $txt=shift; |
|
$txt=~tr/A-J/0-9/; |
|
$txt=~tr/a-j/0-9/; |
|
$txt=~tr/K-T/0-9/; |
|
$txt=~tr/k-t/0-9/; |
|
$txt=~tr/U-Z/0-5/; |
|
$txt=~tr/u-z/0-5/; |
|
$txt=~s/\D//g; |
|
my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); |
|
my $total; |
|
foreach my $val (@txts) { $total+=$val; } |
|
if ($_64bit) { $total=(($total<<32)>>32); } |
|
return $total; |
|
} |
|
|
|
sub digest { |
|
my ($data)=@_; |
|
my $digest=&Digest::MD5::md5($data); |
|
my ($a,$b,$c,$d)=unpack("iiii",$digest); |
|
my ($e,$f); |
|
{ |
|
use integer; |
|
$e=($a+$b); |
|
$f=($c+$d); |
|
if ($_64bit) { |
|
$e=(($e<<32)>>32); |
|
$f=(($f<<32)>>32); |
|
} |
|
} |
|
if (wantarray) { |
|
return ($e,$f); |
|
} else { |
|
my $g; |
|
{ |
|
use integer; |
|
$g=($e+$f); |
|
if ($_64bit) { |
|
$g=(($g<<32)>>32); |
|
} |
|
} |
|
return $g; |
|
} |
|
} |
|
|
|
sub latest_rnd_algorithm_id { |
|
return '64bit5'; |
|
} |
|
|
|
sub get_rand_alg { |
|
my ($courseid)=@_; |
|
if (!$courseid) { $courseid=(&whichuser())[1]; } |
|
if ($courseid) { |
|
return $env{"course.$courseid.rndseed"}; |
|
} |
|
return &latest_rnd_algorithm_id(); |
|
} |
|
|
|
sub validCODE { |
|
my ($CODE)=@_; |
|
if (defined($CODE) && $CODE ne '' && $CODE =~ /^\w+$/) { return 1; } |
|
return 0; |
|
} |
|
|
|
sub getCODE { |
|
if (&validCODE($env{'form.CODE'})) { return $env{'form.CODE'}; } |
|
if ( (defined($Apache::lonhomework::parsing_a_problem) || |
|
defined($Apache::lonhomework::parsing_a_task) ) && |
|
&validCODE($Apache::lonhomework::history{'resource.CODE'})) { |
|
return $Apache::lonhomework::history{'resource.CODE'}; |
|
} |
|
return undef; |
|
} |
|
|
sub rndseed { |
sub rndseed { |
my $symb; |
my ($symb,$courseid,$domain,$username)=@_; |
unless ($symb=&symbread()) { return time; } |
my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser(); |
{ |
if (!defined($symb)) { |
use integer; |
unless ($symb=$wsymb) { return time; } |
my $symbchck=unpack("%32C*",$symb) << 27; |
} |
my $symbseed=numval($symb) << 22; |
if (!$courseid) { $courseid=$wcourseid; } |
my $namechck=unpack("%32C*",$ENV{'user.name'}) << 17; |
if (!$domain) { $domain=$wdomain; } |
my $nameseed=numval($ENV{'user.name'}) << 12; |
if (!$username) { $username=$wusername } |
my $domainseed=unpack("%32C*",$ENV{'user.domain'}) << 7; |
my $which=&get_rand_alg(); |
my $courseseed=unpack("%32C*",$ENV{'request.course.id'}); |
|
my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck; |
if (defined(&getCODE())) { |
#uncommenting these lines can break things! |
if ($which eq '64bit5') { |
#&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username); |
#&Apache::lonxml::debug("rndseed :$num:$symb"); |
} elsif ($which eq '64bit4') { |
return $num; |
return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username); |
|
} else { |
|
return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); |
|
} |
|
} elsif ($which eq '64bit5') { |
|
return &rndseed_64bit5($symb,$courseid,$domain,$username); |
|
} elsif ($which eq '64bit4') { |
|
return &rndseed_64bit4($symb,$courseid,$domain,$username); |
|
} elsif ($which eq '64bit3') { |
|
return &rndseed_64bit3($symb,$courseid,$domain,$username); |
|
} elsif ($which eq '64bit2') { |
|
return &rndseed_64bit2($symb,$courseid,$domain,$username); |
|
} elsif ($which eq '64bit') { |
|
return &rndseed_64bit($symb,$courseid,$domain,$username); |
|
} |
|
return &rndseed_32bit($symb,$courseid,$domain,$username); |
|
} |
|
|
|
sub rndseed_32bit { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
{ |
|
use integer; |
|
my $symbchck=unpack("%32C*",$symb) << 27; |
|
my $symbseed=numval($symb) << 22; |
|
my $namechck=unpack("%32C*",$username) << 17; |
|
my $nameseed=numval($username) << 12; |
|
my $domainseed=unpack("%32C*",$domain) << 7; |
|
my $courseseed=unpack("%32C*",$courseid); |
|
my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck; |
|
#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
|
#&logthis("rndseed :$num:$symb"); |
|
if ($_64bit) { $num=(($num<<32)>>32); } |
|
return $num; |
|
} |
|
} |
|
|
|
sub rndseed_64bit { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
{ |
|
use integer; |
|
my $symbchck=unpack("%32S*",$symb) << 21; |
|
my $symbseed=numval($symb) << 10; |
|
my $namechck=unpack("%32S*",$username); |
|
|
|
my $nameseed=numval($username) << 21; |
|
my $domainseed=unpack("%32S*",$domain) << 10; |
|
my $courseseed=unpack("%32S*",$courseid); |
|
|
|
my $num1=$symbchck+$symbseed+$namechck; |
|
my $num2=$nameseed+$domainseed+$courseseed; |
|
#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
|
#&logthis("rndseed :$num:$symb"); |
|
if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } |
|
return "$num1,$num2"; |
|
} |
|
} |
|
|
|
sub rndseed_64bit2 { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
{ |
|
use integer; |
|
# strings need to be an even # of cahracters long, it it is odd the |
|
# last characters gets thrown away |
|
my $symbchck=unpack("%32S*",$symb.' ') << 21; |
|
my $symbseed=numval($symb) << 10; |
|
my $namechck=unpack("%32S*",$username.' '); |
|
|
|
my $nameseed=numval($username) << 21; |
|
my $domainseed=unpack("%32S*",$domain.' ') << 10; |
|
my $courseseed=unpack("%32S*",$courseid.' '); |
|
|
|
my $num1=$symbchck+$symbseed+$namechck; |
|
my $num2=$nameseed+$domainseed+$courseseed; |
|
#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
|
#&logthis("rndseed :$num:$symb"); |
|
if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } |
|
return "$num1,$num2"; |
|
} |
|
} |
|
|
|
sub rndseed_64bit3 { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
{ |
|
use integer; |
|
# strings need to be an even # of cahracters long, it it is odd the |
|
# last characters gets thrown away |
|
my $symbchck=unpack("%32S*",$symb.' ') << 21; |
|
my $symbseed=numval2($symb) << 10; |
|
my $namechck=unpack("%32S*",$username.' '); |
|
|
|
my $nameseed=numval2($username) << 21; |
|
my $domainseed=unpack("%32S*",$domain.' ') << 10; |
|
my $courseseed=unpack("%32S*",$courseid.' '); |
|
|
|
my $num1=$symbchck+$symbseed+$namechck; |
|
my $num2=$nameseed+$domainseed+$courseseed; |
|
#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
|
#&logthis("rndseed :$num1:$num2:$_64bit"); |
|
if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } |
|
|
|
return "$num1:$num2"; |
|
} |
|
} |
|
|
|
sub rndseed_64bit4 { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
{ |
|
use integer; |
|
# strings need to be an even # of cahracters long, it it is odd the |
|
# last characters gets thrown away |
|
my $symbchck=unpack("%32S*",$symb.' ') << 21; |
|
my $symbseed=numval3($symb) << 10; |
|
my $namechck=unpack("%32S*",$username.' '); |
|
|
|
my $nameseed=numval3($username) << 21; |
|
my $domainseed=unpack("%32S*",$domain.' ') << 10; |
|
my $courseseed=unpack("%32S*",$courseid.' '); |
|
|
|
my $num1=$symbchck+$symbseed+$namechck; |
|
my $num2=$nameseed+$domainseed+$courseseed; |
|
#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
|
#&logthis("rndseed :$num1:$num2:$_64bit"); |
|
if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } |
|
|
|
return "$num1:$num2"; |
} |
} |
} |
} |
|
|
|
sub rndseed_64bit5 { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
my ($num1,$num2)=&digest("$symb,$courseid,$domain,$username"); |
|
return "$num1:$num2"; |
|
} |
|
|
|
sub rndseed_CODE_64bit { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
{ |
|
use integer; |
|
my $symbchck=unpack("%32S*",$symb.' ') << 16; |
|
my $symbseed=numval2($symb); |
|
my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; |
|
my $CODEseed=numval(&getCODE()); |
|
my $courseseed=unpack("%32S*",$courseid.' '); |
|
my $num1=$symbseed+$CODEchck; |
|
my $num2=$CODEseed+$courseseed+$symbchck; |
|
#&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); |
|
#&logthis("rndseed :$num1:$num2:$symb"); |
|
if ($_64bit) { $num1=(($num1<<32)>>32); } |
|
if ($_64bit) { $num2=(($num2<<32)>>32); } |
|
return "$num1:$num2"; |
|
} |
|
} |
|
|
|
sub rndseed_CODE_64bit4 { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
{ |
|
use integer; |
|
my $symbchck=unpack("%32S*",$symb.' ') << 16; |
|
my $symbseed=numval3($symb); |
|
my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; |
|
my $CODEseed=numval3(&getCODE()); |
|
my $courseseed=unpack("%32S*",$courseid.' '); |
|
my $num1=$symbseed+$CODEchck; |
|
my $num2=$CODEseed+$courseseed+$symbchck; |
|
#&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); |
|
#&logthis("rndseed :$num1:$num2:$symb"); |
|
if ($_64bit) { $num1=(($num1<<32)>>32); } |
|
if ($_64bit) { $num2=(($num2<<32)>>32); } |
|
return "$num1:$num2"; |
|
} |
|
} |
|
|
|
sub rndseed_CODE_64bit5 { |
|
my ($symb,$courseid,$domain,$username)=@_; |
|
my $code = &getCODE(); |
|
my ($num1,$num2)=&digest("$symb,$courseid,$code"); |
|
return "$num1:$num2"; |
|
} |
|
|
|
sub setup_random_from_rndseed { |
|
my ($rndseed)=@_; |
|
if ($rndseed =~/([,:])/) { |
|
my ($num1,$num2)=split(/[,:]/,$rndseed); |
|
&Math::Random::random_set_seed(abs($num1),abs($num2)); |
|
} else { |
|
&Math::Random::random_set_seed_from_phrase($rndseed); |
|
} |
|
} |
|
|
|
sub latest_receipt_algorithm_id { |
|
return 'receipt3'; |
|
} |
|
|
|
sub recunique { |
|
my $fucourseid=shift; |
|
my $unique; |
|
if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2' || |
|
$env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) { |
|
$unique=$env{"course.$fucourseid.internal.encseed"}; |
|
} else { |
|
$unique=$perlvar{'lonReceipt'}; |
|
} |
|
return unpack("%32C*",$unique); |
|
} |
|
|
|
sub recprefix { |
|
my $fucourseid=shift; |
|
my $prefix; |
|
if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2'|| |
|
$env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) { |
|
$prefix=$env{"course.$fucourseid.internal.encpref"}; |
|
} else { |
|
$prefix=$perlvar{'lonHostID'}; |
|
} |
|
return unpack("%32C*",$prefix); |
|
} |
|
|
sub ireceipt { |
sub ireceipt { |
my ($funame,$fudom,$fucourseid,$fusymb)=@_; |
my ($funame,$fudom,$fucourseid,$fusymb,$part)=@_; |
|
|
|
my $return =&recprefix($fucourseid).'-'; |
|
|
|
if ($env{"course.$fucourseid.receiptalg"} eq 'receipt3' || |
|
$env{'request.state'} eq 'construct') { |
|
$return .= (&digest("$funame,$fudom,$fucourseid,$fusymb,$part")%10000); |
|
return $return; |
|
} |
|
|
my $cuname=unpack("%32C*",$funame); |
my $cuname=unpack("%32C*",$funame); |
my $cudom=unpack("%32C*",$fudom); |
my $cudom=unpack("%32C*",$fudom); |
my $cucourseid=unpack("%32C*",$fucourseid); |
my $cucourseid=unpack("%32C*",$fucourseid); |
my $cusymb=unpack("%32C*",$fusymb); |
my $cusymb=unpack("%32C*",$fusymb); |
my $cunique=unpack("%32C*",$perlvar{'lonReceipt'}); |
my $cunique=&recunique($fucourseid); |
return unpack("%32C*",$perlvar{'lonHostID'}).'-'. |
my $cpart=unpack("%32S*",$part); |
($cunique%$cuname+ |
if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2') { |
$cunique%$cudom+ |
|
$cusymb%$cuname+ |
#&logthis("doing receipt2 using parts $cpart, uname $cuname and udom $cudom gets ".($cpart%$cuname)." and ".($cpart%$cudom)); |
$cusymb%$cudom+ |
|
$cucourseid%$cuname+ |
$return.= ($cunique%$cuname+ |
$cucourseid%$cudom); |
$cunique%$cudom+ |
|
$cusymb%$cuname+ |
|
$cusymb%$cudom+ |
|
$cucourseid%$cuname+ |
|
$cucourseid%$cudom+ |
|
$cpart%$cuname+ |
|
$cpart%$cudom); |
|
} else { |
|
$return.= ($cunique%$cuname+ |
|
$cunique%$cudom+ |
|
$cusymb%$cuname+ |
|
$cusymb%$cudom+ |
|
$cucourseid%$cuname+ |
|
$cucourseid%$cudom); |
|
} |
|
return $return; |
} |
} |
|
|
sub receipt { |
sub receipt { |
return &ireceipt($ENV{'user.name'},$ENV{'user.domain'}, |
my ($part)=@_; |
$ENV{'request.course.id'},&symbread()); |
my ($symb,$courseid,$domain,$name) = &whichuser(); |
|
return &ireceipt($name,$domain,$courseid,$symb,$part); |
|
} |
|
|
|
sub whichuser { |
|
my ($passedsymb)=@_; |
|
my ($symb,$courseid,$domain,$name,$publicuser); |
|
if (defined($env{'form.grade_symb'})) { |
|
my ($tmp_courseid)=&get_env_multiple('form.grade_courseid'); |
|
my $allowed=&allowed('vgr',$tmp_courseid); |
|
if (!$allowed && |
|
exists($env{'request.course.sec'}) && |
|
$env{'request.course.sec'} !~ /^\s*$/) { |
|
$allowed=&allowed('vgr',$tmp_courseid. |
|
'/'.$env{'request.course.sec'}); |
|
} |
|
if ($allowed) { |
|
($symb)=&get_env_multiple('form.grade_symb'); |
|
$courseid=$tmp_courseid; |
|
($domain)=&get_env_multiple('form.grade_domain'); |
|
($name)=&get_env_multiple('form.grade_username'); |
|
return ($symb,$courseid,$domain,$name,$publicuser); |
|
} |
|
} |
|
if (!$passedsymb) { |
|
$symb=&symbread(); |
|
} else { |
|
$symb=$passedsymb; |
|
} |
|
$courseid=$env{'request.course.id'}; |
|
$domain=$env{'user.domain'}; |
|
$name=$env{'user.name'}; |
|
if ($name eq 'public' && $domain eq 'public') { |
|
if (!defined($env{'form.username'})) { |
|
$env{'form.username'}.=time.rand(10000000); |
|
} |
|
$name.=$env{'form.username'}; |
|
} |
|
return ($symb,$courseid,$domain,$name,$publicuser); |
|
|
} |
} |
|
|
# ------------------------------------------------------------ Serves up a file |
# ------------------------------------------------------------ Serves up a file |
# returns either the contents of the file or a -1 |
# returns either the contents of the file or |
|
# -1 if the file doesn't exist |
|
# |
|
# if the target is a file that was uploaded via DOCS, |
|
# a check will be made to see if a current copy exists on the local server, |
|
# if it does this will be served, otherwise a copy will be retrieved from |
|
# the home server for the course and stored in /home/httpd/html/userfiles on |
|
# the local server. |
|
|
sub getfile { |
sub getfile { |
my $file=shift; |
my ($file) = @_; |
&repcopy($file); |
if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); } |
if (! -e $file ) { return -1; }; |
&repcopy($file); |
my $fh=Apache::File->new($file); |
return &readfile($file); |
my $a=''; |
} |
while (<$fh>) { $a .=$_; } |
|
return $a |
sub repcopy_userfile { |
|
my ($file)=@_; |
|
if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); } |
|
if ($file =~ m|^/home/httpd/html/lonUsers/|) { return 'ok'; } |
|
my ($cdom,$cnum,$filename) = |
|
($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+($match_domain)/+($match_name)/+(.*)|); |
|
my $uri="/uploaded/$cdom/$cnum/$filename"; |
|
if (-e "$file") { |
|
# we already have a local copy, check it out |
|
my @fileinfo = stat($file); |
|
my $rtncode; |
|
my $info; |
|
my $lwpresp = &getuploaded('HEAD',$uri,$cdom,$cnum,\$info,\$rtncode); |
|
if ($lwpresp ne 'ok') { |
|
# there is no such file anymore, even though we had a local copy |
|
if ($rtncode eq '404') { |
|
unlink($file); |
|
} |
|
return -1; |
|
} |
|
if ($info < $fileinfo[9]) { |
|
# nice, the file we have is up-to-date, just say okay |
|
return 'ok'; |
|
} else { |
|
# the file is outdated, get rid of it |
|
unlink($file); |
|
} |
|
} |
|
# one way or the other, at this point, we don't have the file |
|
# construct the correct path for the file |
|
my @parts = ($cdom,$cnum); |
|
if ($filename =~ m|^(.+)/[^/]+$|) { |
|
push @parts, split(/\//,$1); |
|
} |
|
my $path = $perlvar{'lonDocRoot'}.'/userfiles'; |
|
foreach my $part (@parts) { |
|
$path .= '/'.$part; |
|
if (!-e $path) { |
|
mkdir($path,0770); |
|
} |
|
} |
|
# now the path exists for sure |
|
# get a user agent |
|
my $ua=new LWP::UserAgent; |
|
my $transferfile=$file.'.in.transfer'; |
|
# FIXME: this should flock |
|
if (-e $transferfile) { return 'ok'; } |
|
my $request; |
|
$uri=~s/^\///; |
|
$request=new HTTP::Request('GET','http://'.&hostname(&homeserver($cnum,$cdom)).'/raw/'.$uri); |
|
my $response=$ua->request($request,$transferfile); |
|
# did it work? |
|
if ($response->is_error()) { |
|
unlink($transferfile); |
|
&logthis("Userfile repcopy failed for $uri"); |
|
return -1; |
|
} |
|
# worked, rename the transfer file |
|
rename($transferfile,$file); |
|
return 'ok'; |
|
} |
|
|
|
sub tokenwrapper { |
|
my $uri=shift; |
|
$uri=~s|^http\://([^/]+)||; |
|
$uri=~s|^/||; |
|
$env{'user.environment'}=~/\/([^\/]+)\.id/; |
|
my $token=$1; |
|
my (undef,$udom,$uname,$file)=split('/',$uri,4); |
|
if ($udom && $uname && $file) { |
|
$file=~s|(\?\.*)*$||; |
|
&appenv("userfile.$udom/$uname/$file" => $env{'request.course.id'}); |
|
return 'http://'.&hostname(&homeserver($uname,$udom)).'/'.$uri. |
|
(($uri=~/\?/)?'&':'?').'token='.$token. |
|
'&tokenissued='.$perlvar{'lonHostID'}; |
|
} else { |
|
return '/adm/notfound.html'; |
|
} |
|
} |
|
|
|
# call with reqtype HEAD: get last modification time |
|
# call with reqtype GET: get the file contents |
|
# Do not call this with reqtype GET for large files! It loads everything into memory |
|
# |
|
sub getuploaded { |
|
my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_; |
|
$uri=~s/^\///; |
|
$uri = 'http://'.&hostname(&homeserver($cnum,$cdom)).'/raw/'.$uri; |
|
my $ua=new LWP::UserAgent; |
|
my $request=new HTTP::Request($reqtype,$uri); |
|
my $response=$ua->request($request); |
|
$$rtncode = $response->code; |
|
if (! $response->is_success()) { |
|
return 'failed'; |
|
} |
|
if ($reqtype eq 'HEAD') { |
|
$$info = &HTTP::Date::str2time( $response->header('Last-modified') ); |
|
} elsif ($reqtype eq 'GET') { |
|
$$info = $response->content; |
|
} |
|
return 'ok'; |
|
} |
|
|
|
sub readfile { |
|
my $file = shift; |
|
if ( (! -e $file ) || ($file eq '') ) { return -1; }; |
|
my $fh; |
|
open($fh,"<$file"); |
|
my $a=''; |
|
while (my $line = <$fh>) { $a .= $line; } |
|
return $a; |
} |
} |
|
|
sub filelocation { |
sub filelocation { |
my ($dir,$file) = @_; |
my ($dir,$file) = @_; |
my $location; |
my $location; |
$file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces |
$file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces |
if ($file=~m:^/~:) { # is a contruction space reference |
|
$location = $file; |
if ($file =~ m-^/adm/-) { |
$location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; |
$file=~s-^/adm/wrapper/-/-; |
} else { |
$file=~s-^/adm/coursedocs/showdoc/-/-; |
$file=~s/^$perlvar{'lonDocRoot'}//; |
} |
$file=~s:^/*res::; |
|
if ( !( $file =~ m:^/:) ) { |
if ($file=~m:^/~:) { # is a contruction space reference |
$location = $dir. '/'.$file; |
$location = $file; |
|
$location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; |
|
} elsif ($file=~m{^/home/$match_username/public_html/}) { |
|
# is a correct contruction space reference |
|
$location = $file; |
|
} elsif ($file=~/^\/*(uploaded|editupload)/) { # is an uploaded file |
|
my ($udom,$uname,$filename)= |
|
($file=~m -^/+(?:uploaded|editupload)/+($match_domain)/+($match_name)/+(.*)$-); |
|
my $home=&homeserver($uname,$udom); |
|
my $is_me=0; |
|
my @ids=¤t_machine_ids(); |
|
foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } } |
|
if ($is_me) { |
|
$location=&propath($udom,$uname). |
|
'/userfiles/'.$filename; |
|
} else { |
|
$location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. |
|
$udom.'/'.$uname.'/'.$filename; |
|
} |
|
} elsif ($file =~ m-^/adm/-) { |
|
$location = $perlvar{'lonDocRoot'}.'/'.$file; |
} else { |
} else { |
$location = '/home/httpd/html/res'.$file; |
$file=~s/^\Q$perlvar{'lonDocRoot'}\E//; |
|
$file=~s:^/res/:/:; |
|
if ( !( $file =~ m:^/:) ) { |
|
$location = $dir. '/'.$file; |
|
} else { |
|
$location = '/home/httpd/html/res'.$file; |
|
} |
} |
} |
} |
$location=~s://+:/:g; # remove duplicate / |
$location=~s://+:/:g; # remove duplicate / |
while ($location=~m{/\.\./}) { |
while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/.. |
if ($location =~ m{/[^/]+/\.\./}) { |
return $location; |
$location=~ s{/[^/]+/\.\./}{/}g; |
|
} else { |
|
$location=~ s{/\.\./}{/}g; |
|
} |
|
} #remove dir/.. |
|
while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./ |
|
return $location; |
} |
} |
|
|
sub hreflocation { |
sub hreflocation { |
my ($dir,$file)=@_; |
my ($dir,$file)=@_; |
unless (($_=~/^http:\/\//i) || ($_=~/^\//)) { |
unless (($file=~m-^http://-i) || ($file=~m-^/-)) { |
my $finalpath=filelocation($dir,$file); |
$file=filelocation($dir,$file); |
$finalpath=~s/^\/home\/httpd\/html//; |
} elsif ($file=~m-^/adm/-) { |
return $finalpath; |
$file=~s-^/adm/wrapper/-/-; |
} else { |
$file=~s-^/adm/coursedocs/showdoc/-/-; |
return $file; |
} |
|
if ($file=~m-^\Q$perlvar{'lonDocRoot'}\E-) { |
|
$file=~s-^\Q$perlvar{'lonDocRoot'}\E--; |
|
} elsif ($file=~m-/home/($match_username)/public_html/-) { |
|
$file=~s-^/home/($match_username)/public_html/-/~$1/-; |
|
} elsif ($file=~m-^\Q$perlvar{'lonUsersDir'}\E-) { |
|
$file=~s-^/home/httpd/lonUsers/($match_domain)/./././($match_name)/userfiles/ |
|
-/uploaded/$1/$2/-x; |
|
} |
|
if ($file=~ m{^/userfiles/}) { |
|
$file =~ s{^/userfiles/}{/uploaded/}; |
|
} |
|
return $file; |
|
} |
|
|
|
sub current_machine_domains { |
|
return &machine_domains(&hostname($perlvar{'lonHostID'})); |
|
} |
|
|
|
sub machine_domains { |
|
my ($hostname) = @_; |
|
my @domains; |
|
my %hostname = &all_hostnames(); |
|
while( my($id, $name) = each(%hostname)) { |
|
# &logthis("-$id-$name-$hostname-"); |
|
if ($hostname eq $name) { |
|
push(@domains,&host_domain($id)); |
|
} |
|
} |
|
return @domains; |
|
} |
|
|
|
sub current_machine_ids { |
|
return &machine_ids(&hostname($perlvar{'lonHostID'})); |
|
} |
|
|
|
sub machine_ids { |
|
my ($hostname) = @_; |
|
$hostname ||= &hostname($perlvar{'lonHostID'}); |
|
my @ids; |
|
my %name_to_host = &all_names(); |
|
if (ref($name_to_host{$hostname}) eq 'ARRAY') { |
|
return @{ $name_to_host{$hostname} }; |
} |
} |
|
return; |
|
} |
|
|
|
sub additional_machine_domains { |
|
my @domains; |
|
open(my $fh,"<$perlvar{'lonTabDir'}/expected_domains.tab"); |
|
while( my $line = <$fh>) { |
|
$line =~ s/\s//g; |
|
push(@domains,$line); |
|
} |
|
return @domains; |
|
} |
|
|
|
sub default_login_domain { |
|
my $domain = $perlvar{'lonDefDomain'}; |
|
my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0]; |
|
foreach my $posdom (¤t_machine_domains(), |
|
&additional_machine_domains()) { |
|
if (lc($posdom) eq lc($testdomain)) { |
|
$domain=$posdom; |
|
last; |
|
} |
|
} |
|
return $domain; |
} |
} |
|
|
# ------------------------------------------------------------- Declutters URLs |
# ------------------------------------------------------------- Declutters URLs |
|
|
sub declutter { |
sub declutter { |
my $thisfn=shift; |
my $thisfn=shift; |
$thisfn=~s/^$perlvar{'lonDocRoot'}//; |
if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } |
|
$thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; |
$thisfn=~s/^\///; |
$thisfn=~s/^\///; |
|
$thisfn=~s|^adm/wrapper/||; |
|
$thisfn=~s|^adm/coursedocs/showdoc/||; |
$thisfn=~s/^res\///; |
$thisfn=~s/^res\///; |
|
$thisfn=~s/\?.+$//; |
return $thisfn; |
return $thisfn; |
} |
} |
|
|
# -------------------------------------------------------- Escape Special Chars |
# ------------------------------------------------------------- Clutter up URLs |
|
|
sub escape { |
sub clutter { |
my $str=shift; |
my $thisfn='/'.&declutter(shift); |
$str =~ s/(\W)/"%".unpack('H2',$1)/eg; |
if ($thisfn !~ m{^/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)/} |
return $str; |
|| $thisfn =~ m{^/adm/(includes|pages)} ) { |
|
$thisfn='/res'.$thisfn; |
|
} |
|
if ($thisfn !~m|/adm|) { |
|
if ($thisfn =~ m|/ext/|) { |
|
$thisfn='/adm/wrapper'.$thisfn; |
|
} else { |
|
my ($ext) = ($thisfn =~ /\.(\w+)$/); |
|
my $embstyle=&Apache::loncommon::fileembstyle($ext); |
|
if ($embstyle eq 'ssi' |
|
|| ($embstyle eq 'hdn') |
|
|| ($embstyle eq 'rat') |
|
|| ($embstyle eq 'prv') |
|
|| ($embstyle eq 'ign')) { |
|
#do nothing with these |
|
} elsif (($embstyle eq 'img') |
|
|| ($embstyle eq 'emb') |
|
|| ($embstyle eq 'wrp')) { |
|
$thisfn='/adm/wrapper'.$thisfn; |
|
} elsif ($embstyle eq 'unk' |
|
&& $thisfn!~/\.(sequence|page)$/) { |
|
$thisfn='/adm/coursedocs/showdoc'.$thisfn; |
|
} else { |
|
# &logthis("Got a blank emb style"); |
|
} |
|
} |
|
} |
|
return $thisfn; |
} |
} |
|
|
# ----------------------------------------------------- Un-Escape Special Chars |
sub clutter_with_no_wrapper { |
|
my $uri = &clutter(shift); |
|
if ($uri =~ m-^/adm/-) { |
|
$uri =~ s-^/adm/wrapper/-/-; |
|
$uri =~ s-^/adm/coursedocs/showdoc/-/-; |
|
} |
|
return $uri; |
|
} |
|
|
sub unescape { |
sub freeze_escape { |
my $str=shift; |
my ($value)=@_; |
$str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
if (ref($value)) { |
return $str; |
$value=&nfreeze($value); |
|
return '__FROZEN__'.&escape($value); |
|
} |
|
return &escape($value); |
|
} |
|
|
|
|
|
sub thaw_unescape { |
|
my ($value)=@_; |
|
if ($value =~ /^__FROZEN__/) { |
|
substr($value,0,10,undef); |
|
$value=&unescape($value); |
|
return &thaw($value); |
|
} |
|
return &unescape($value); |
} |
} |
|
|
|
sub correct_line_ends { |
|
my ($result)=@_; |
|
$$result =~s/\r\n/\n/mg; |
|
$$result =~s/\r/\n/mg; |
|
} |
# ================================================================ Main Program |
# ================================================================ Main Program |
|
|
sub BEGIN { |
sub goodbye { |
if ($readit ne 'done') { |
&logthis("Starting Shut down"); |
# ------------------------------------------------------------ Read access.conf |
#not converted to using infrastruture and probably shouldn't be |
|
&logthis(sprintf("%-20s is %s",'%badServerCache',length(&nfreeze(\%badServerCache)))); |
|
#converted |
|
# &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache))); |
|
&logthis(sprintf("%-20s is %s",'%homecache',length(&nfreeze(\%homecache)))); |
|
# &logthis(sprintf("%-20s is %s",'%titlecache',length(&nfreeze(\%titlecache)))); |
|
# &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&nfreeze(\%courseresdatacache)))); |
|
#1.1 only |
|
# &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&nfreeze(\%userresdatacache)))); |
|
# &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&nfreeze(\%getsectioncache)))); |
|
# &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&nfreeze(\%courseresversioncache)))); |
|
# &logthis(sprintf("%-20s is %s",'%resversioncache',length(&nfreeze(\%resversioncache)))); |
|
&logthis(sprintf("%-20s is %s",'%remembered',length(&nfreeze(\%remembered)))); |
|
&logthis(sprintf("%-20s is %s",'kicks',$kicks)); |
|
&logthis(sprintf("%-20s is %s",'hits',$hits)); |
|
&flushcourselogs(); |
|
&logthis("Shutting down"); |
|
} |
|
|
|
sub get_dns { |
|
my ($url,$func,$ignore_cache) = @_; |
|
if (!$ignore_cache) { |
|
my ($content,$cached)= |
|
&Apache::lonnet::is_cached_new('dns',$url); |
|
if ($cached) { |
|
&$func($content); |
|
return; |
|
} |
|
} |
|
|
|
my %alldns; |
|
open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab"); |
|
foreach my $dns (<$config>) { |
|
next if ($dns !~ /^\^(\S*)/x); |
|
$alldns{$1} = 1; |
|
} |
|
while (%alldns) { |
|
my ($dns) = keys(%alldns); |
|
delete($alldns{$dns}); |
|
my $ua=new LWP::UserAgent; |
|
my $request=new HTTP::Request('GET',"http://$dns$url"); |
|
my $response=$ua->request($request); |
|
next if ($response->is_error()); |
|
my @content = split("\n",$response->content); |
|
&Apache::lonnet::do_cache_new('dns',$url,\@content,30*24*60*60); |
|
&$func(\@content); |
|
return; |
|
} |
|
close($config); |
|
my $which = (split('/',$url))[3]; |
|
&logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n"); |
|
open($config,"<$perlvar{'lonTabDir'}/dns_$which.tab"); |
|
my @content = <$config>; |
|
&$func(\@content); |
|
return; |
|
} |
|
# ------------------------------------------------------------ Read domain file |
{ |
{ |
my $config=Apache::File->new("/etc/httpd/conf/access.conf"); |
my $loaded; |
|
my %domain; |
|
|
while (my $configline=<$config>) { |
sub parse_domain_tab { |
if ($configline =~ /PerlSetVar/) { |
my ($lines) = @_; |
my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
foreach my $line (@$lines) { |
chomp($varvalue); |
next if ($line =~ /^(\#|\s*$ )/x); |
$perlvar{$varname}=$varvalue; |
|
} |
chomp($line); |
|
my ($name,@elements) = split(/:/,$line,9); |
|
my %this_domain; |
|
foreach my $field ('description', 'auth_def', 'auth_arg_def', |
|
'lang_def', 'city', 'longi', 'lati', |
|
'primary') { |
|
$this_domain{$field} = shift(@elements); |
|
} |
|
$domain{$name} = \%this_domain; |
|
} |
|
} |
|
|
|
sub reset_domain_info { |
|
undef($loaded); |
|
undef(%domain); |
|
} |
|
|
|
sub load_domain_tab { |
|
my ($ignore_cache) = @_; |
|
&get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache); |
|
my $fh; |
|
if (open($fh,"<".$perlvar{'lonTabDir'}.'/domain.tab')) { |
|
my @lines = <$fh>; |
|
&parse_domain_tab(\@lines); |
|
} |
|
close($fh); |
|
$loaded = 1; |
|
} |
|
|
|
sub domain { |
|
&load_domain_tab() if (!$loaded); |
|
|
|
my ($name,$what) = @_; |
|
return if ( !exists($domain{$name}) ); |
|
|
|
if (!$what) { |
|
return $domain{$name}{'description'}; |
|
} |
|
return $domain{$name}{$what}; |
} |
} |
} |
} |
|
|
|
|
# ------------------------------------------------------------- Read hosts file |
# ------------------------------------------------------------- Read hosts file |
{ |
{ |
my $config=Apache::File->new("$perlvar{'lonTabDir'}/hosts.tab"); |
my %hostname; |
|
my %hostdom; |
|
my %libserv; |
|
my $loaded; |
|
my %name_to_host; |
|
|
|
sub parse_hosts_tab { |
|
my ($file) = @_; |
|
foreach my $configline (@$file) { |
|
next if ($configline =~ /^(\#|\s*$ )/x); |
|
next if ($configline =~ /^\^/); |
|
chomp($configline); |
|
my ($id,$domain,$role,$name)=split(/:/,$configline); |
|
$name=~s/\s//g; |
|
if ($id && $domain && $role && $name) { |
|
$hostname{$id}=$name; |
|
push(@{$name_to_host{$name}}, $id); |
|
$hostdom{$id}=$domain; |
|
if ($role eq 'library') { $libserv{$id}=$name; } |
|
} |
|
} |
|
} |
|
|
|
sub reset_hosts_info { |
|
&purge_remembered(); |
|
&reset_domain_info(); |
|
&reset_hosts_ip_info(); |
|
undef(%name_to_host); |
|
undef(%hostname); |
|
undef(%hostdom); |
|
undef(%libserv); |
|
undef($loaded); |
|
} |
|
|
while (my $configline=<$config>) { |
sub load_hosts_tab { |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
my ($ignore_cache) = @_; |
$hostname{$id}=$name; |
&get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache); |
$hostdom{$id}=$domain; |
open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab"); |
if ($role eq 'library') { $libserv{$id}=$name; } |
my @config = <$config>; |
|
&parse_hosts_tab(\@config); |
|
close($config); |
|
$loaded=1; |
|
} |
|
|
|
sub hostname { |
|
&load_hosts_tab() if (!$loaded); |
|
|
|
my ($lonid) = @_; |
|
return $hostname{$lonid}; |
|
} |
|
|
|
sub all_hostnames { |
|
&load_hosts_tab() if (!$loaded); |
|
|
|
return %hostname; |
|
} |
|
|
|
sub all_names { |
|
&load_hosts_tab() if (!$loaded); |
|
|
|
return %name_to_host; |
|
} |
|
|
|
sub is_library { |
|
&load_hosts_tab() if (!$loaded); |
|
|
|
return exists($libserv{$_[0]}); |
|
} |
|
|
|
sub all_library { |
|
&load_hosts_tab() if (!$loaded); |
|
|
|
return %libserv; |
|
} |
|
|
|
sub get_servers { |
|
&load_hosts_tab() if (!$loaded); |
|
|
|
my ($domain,$type) = @_; |
|
my %possible_hosts = ($type eq 'library') ? %libserv |
|
: %hostname; |
|
my %result; |
|
if (ref($domain) eq 'ARRAY') { |
|
while ( my ($host,$hostname) = each(%possible_hosts)) { |
|
if (grep(/^\Q$hostdom{$host}\E$/,@$domain)) { |
|
$result{$host} = $hostname; |
|
} |
|
} |
|
} else { |
|
while ( my ($host,$hostname) = each(%possible_hosts)) { |
|
if ($hostdom{$host} eq $domain) { |
|
$result{$host} = $hostname; |
|
} |
|
} |
|
} |
|
return %result; |
|
} |
|
|
|
sub host_domain { |
|
&load_hosts_tab() if (!$loaded); |
|
|
|
my ($lonid) = @_; |
|
return $hostdom{$lonid}; |
|
} |
|
|
|
sub all_domains { |
|
&load_hosts_tab() if (!$loaded); |
|
|
|
my %seen; |
|
my @uniq = grep(!$seen{$_}++, values(%hostdom)); |
|
return @uniq; |
|
} |
|
} |
|
|
|
{ |
|
my %iphost; |
|
my %name_to_ip; |
|
my %lonid_to_ip; |
|
|
|
sub get_hosts_from_ip { |
|
my ($ip) = @_; |
|
my %iphosts = &get_iphost(); |
|
if (ref($iphosts{$ip})) { |
|
return @{$iphosts{$ip}}; |
|
} |
|
return; |
|
} |
|
|
|
sub reset_hosts_ip_info { |
|
undef(%iphost); |
|
undef(%name_to_ip); |
|
undef(%lonid_to_ip); |
|
} |
|
|
|
sub get_host_ip { |
|
my ($lonid) = @_; |
|
if (exists($lonid_to_ip{$lonid})) { |
|
return $lonid_to_ip{$lonid}; |
|
} |
|
my $name=&hostname($lonid); |
|
my $ip = gethostbyname($name); |
|
return if (!$ip || length($ip) ne 4); |
|
$ip=inet_ntoa($ip); |
|
$name_to_ip{$name} = $ip; |
|
$lonid_to_ip{$lonid} = $ip; |
|
return $ip; |
|
} |
|
|
|
sub get_iphost { |
|
my ($ignore_cache) = @_; |
|
|
|
if (!$ignore_cache) { |
|
if (%iphost) { |
|
return %iphost; |
|
} |
|
my ($ip_info,$cached)= |
|
&Apache::lonnet::is_cached_new('iphost','iphost'); |
|
if ($cached) { |
|
%iphost = %{$ip_info->[0]}; |
|
%name_to_ip = %{$ip_info->[1]}; |
|
%lonid_to_ip = %{$ip_info->[2]}; |
|
return %iphost; |
|
} |
|
} |
|
|
|
# get yesterday's info for fallback |
|
my %old_name_to_ip; |
|
my ($ip_info,$cached)= |
|
&Apache::lonnet::is_cached_new('iphost','iphost'); |
|
if ($cached) { |
|
%old_name_to_ip = %{$ip_info->[1]}; |
|
} |
|
|
|
my %name_to_host = &all_names(); |
|
foreach my $name (keys(%name_to_host)) { |
|
my $ip; |
|
if (!exists($name_to_ip{$name})) { |
|
$ip = gethostbyname($name); |
|
if (!$ip || length($ip) ne 4) { |
|
if (defined($old_name_to_ip{$name})) { |
|
$ip = $old_name_to_ip{$name}; |
|
&logthis("Can't find $name defaulting to old $ip"); |
|
} else { |
|
&logthis("Name $name no IP found"); |
|
next; |
|
} |
|
} else { |
|
$ip=inet_ntoa($ip); |
|
} |
|
$name_to_ip{$name} = $ip; |
|
} else { |
|
$ip = $name_to_ip{$name}; |
|
} |
|
foreach my $id (@{ $name_to_host{$name} }) { |
|
$lonid_to_ip{$id} = $ip; |
|
} |
|
push(@{$iphost{$ip}},@{$name_to_host{$name}}); |
|
} |
|
&Apache::lonnet::do_cache_new('iphost','iphost', |
|
[\%iphost,\%name_to_ip,\%lonid_to_ip], |
|
48*60*60); |
|
|
|
return %iphost; |
} |
} |
} |
} |
|
|
|
BEGIN { |
|
|
|
# ----------------------------------- Read loncapa.conf and loncapa_apache.conf |
|
unless ($readit) { |
|
{ |
|
my $configvars = LONCAPA::Configuration::read_conf('loncapa.conf'); |
|
%perlvar = (%perlvar,%{$configvars}); |
|
} |
|
|
|
|
# ------------------------------------------------------ Read spare server file |
# ------------------------------------------------------ Read spare server file |
{ |
{ |
my $config=Apache::File->new("$perlvar{'lonTabDir'}/spare.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/spare.tab"); |
|
|
while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
chomp($configline); |
chomp($configline); |
if (($configline) && ($configline ne $perlvar{'lonHostID'})) { |
if ($configline) { |
$spareid{$configline}=1; |
my ($host,$type) = split(':',$configline,2); |
|
if (!defined($type) || $type eq '') { $type = 'default' }; |
|
push(@{ $spareid{$type} }, $host); |
} |
} |
} |
} |
|
close($config); |
} |
} |
# ------------------------------------------------------------ Read permissions |
# ------------------------------------------------------------ Read permissions |
{ |
{ |
my $config=Apache::File->new("$perlvar{'lonTabDir'}/roles.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/roles.tab"); |
|
|
while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
chomp($configline); |
chomp($configline); |
my ($role,$perm)=split(/ /,$configline); |
if ($configline) { |
if ($perm ne '') { $pr{$role}=$perm; } |
my ($role,$perm)=split(/ /,$configline); |
|
if ($perm ne '') { $pr{$role}=$perm; } |
|
} |
} |
} |
|
close($config); |
} |
} |
|
|
# -------------------------------------------- Read plain texts for permissions |
# -------------------------------------------- Read plain texts for permissions |
{ |
{ |
my $config=Apache::File->new("$perlvar{'lonTabDir'}/rolesplain.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/rolesplain.tab"); |
|
|
while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
chomp($configline); |
chomp($configline); |
my ($short,$plain)=split(/:/,$configline); |
if ($configline) { |
if ($plain ne '') { $prp{$short}=$plain; } |
my ($short,@plain)=split(/:/,$configline); |
|
%{$prp{$short}} = (); |
|
if (@plain > 0) { |
|
$prp{$short}{'std'} = $plain[0]; |
|
for (my $i=1; $i<@plain; $i++) { |
|
$prp{$short}{'alt'.$i} = $plain[$i]; |
|
} |
|
} |
|
} |
} |
} |
|
close($config); |
} |
} |
|
|
# ------------------------------------------------------------- Read file types |
# ---------------------------------------------------------- Read package table |
{ |
{ |
my $config=Apache::File->new("$perlvar{'lonTabDir'}/filetypes.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/packages.tab"); |
|
|
while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
chomp($configline); |
if ($configline !~ /\S/ || $configline=~/^#/) { next; } |
my ($ending,$emb,@descr)=split(/\s+/,$configline); |
chomp($configline); |
if ($descr[0] ne '') { |
my ($short,$plain)=split(/:/,$configline); |
$fe{$ending}=$emb; |
my ($pack,$name)=split(/\&/,$short); |
$fd{$ending}=join(' ',@descr); |
if ($plain ne '') { |
} |
$packagetab{$pack.'&'.$name.'&name'}=$name; |
|
$packagetab{$short}=$plain; |
|
} |
} |
} |
|
close($config); |
} |
} |
|
|
%metacache=(); |
# ------------- set up temporary directory |
|
{ |
|
$tmpdir = $perlvar{'lonDaemons'}.'/tmp/'; |
|
|
$readit='done'; |
} |
&logthis('<font color=yellow>INFO: Read configuration</font>'); |
|
|
$memcache=new Cache::Memcached({'servers' => ['127.0.0.1:11211'], |
|
'compress_threshold'=> 20_000, |
|
}); |
|
|
|
$processmarker='_'.time.'_'.$perlvar{'lonHostID'}; |
|
$dumpcount=0; |
|
|
|
&logtouch(); |
|
&logthis('<font color="yellow">INFO: Read configuration</font>'); |
|
$readit=1; |
|
{ |
|
use integer; |
|
my $test=(2**32)+1; |
|
if ($test != 0) { $_64bit=1; } else { $_64bit=0; } |
|
&logthis(" Detected 64bit platform ($_64bit)"); |
|
} |
} |
} |
} |
} |
|
|
1; |
1; |
|
__END__ |
|
|
|
=pod |
|
|
|
=head1 NAME |
|
|
|
Apache::lonnet - Subroutines to ask questions about things in the network. |
|
|
|
=head1 SYNOPSIS |
|
|
|
Invoked by other LON-CAPA modules, when they need to talk to or about objects in the network. |
|
|
|
&Apache::lonnet::SUBROUTINENAME(ARGUMENTS); |
|
|
|
Common parameters: |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
$uname : an internal username (if $cname expecting a course Id specifically) |
|
|
|
=item * |
|
|
|
$udom : a domain (if $cdom expecting a course's domain specifically) |
|
|
|
=item * |
|
|
|
$symb : a resource instance identifier |
|
|
|
=item * |
|
|
|
$namespace : the name of a .db file that contains the data needed or |
|
being set. |
|
|
|
=back |
|
|
|
=head1 OVERVIEW |
|
|
|
lonnet provides subroutines which interact with the |
|
lonc/lond (TCP) network layer of LON-CAPA. They can be used to ask |
|
about classes, users, and resources. |
|
|
|
For many of these objects you can also use this to store data about |
|
them or modify them in various ways. |
|
|
|
=head2 Symbs |
|
|
|
To identify a specific instance of a resource, LON-CAPA uses symbols |
|
or "symbs"X<symb>. These identifiers are built from the URL of the |
|
map, the resource number of the resource in the map, and the URL of |
|
the resource itself. The latter is somewhat redundant, but might help |
|
if maps change. |
|
|
|
An example is |
|
|
|
msu/korte/parts/part1.sequence___19___msu/korte/tests/part12.problem |
|
|
|
The respective map entry is |
|
|
|
<resource id="19" src="/res/msu/korte/tests/part12.problem" |
|
title="Problem 2"> |
|
</resource> |
|
|
|
Symbs are used by the random number generator, as well as to store and |
|
restore data specific to a certain instance of for example a problem. |
|
|
|
=head2 Storing And Retrieving Data |
|
|
|
X<store()>X<cstore()>X<restore()>Three of the most important functions |
|
in C<lonnet.pm> are C<&Apache::lonnet::cstore()>, |
|
C<&Apache::lonnet:restore()>, and C<&Apache::lonnet::store()>, which |
|
is is the non-critical message twin of cstore. These functions are for |
|
handlers to store a perl hash to a user's permanent data space in an |
|
easy manner, and to retrieve it again on another call. It is expected |
|
that a handler would use this once at the beginning to retrieve data, |
|
and then again once at the end to send only the new data back. |
|
|
|
The data is stored in the user's data directory on the user's |
|
homeserver under the ID of the course. |
|
|
|
The hash that is returned by restore will have all of the previous |
|
value for all of the elements of the hash. |
|
|
|
Example: |
|
|
|
#creating a hash |
|
my %hash; |
|
$hash{'foo'}='bar'; |
|
|
|
#storing it |
|
&Apache::lonnet::cstore(\%hash); |
|
|
|
#changing a value |
|
$hash{'foo'}='notbar'; |
|
|
|
#adding a new value |
|
$hash{'bar'}='foo'; |
|
&Apache::lonnet::cstore(\%hash); |
|
|
|
#retrieving the hash |
|
my %history=&Apache::lonnet::restore(); |
|
|
|
#print the hash |
|
foreach my $key (sort(keys(%history))) { |
|
print("\%history{$key} = $history{$key}"); |
|
} |
|
|
|
Will print out: |
|
|
|
%history{1:foo} = bar |
|
%history{1:keys} = foo:timestamp |
|
%history{1:timestamp} = 990455579 |
|
%history{2:bar} = foo |
|
%history{2:foo} = notbar |
|
%history{2:keys} = foo:bar:timestamp |
|
%history{2:timestamp} = 990455580 |
|
%history{bar} = foo |
|
%history{foo} = notbar |
|
%history{timestamp} = 990455580 |
|
%history{version} = 2 |
|
|
|
Note that the special hash entries C<keys>, C<version> and |
|
C<timestamp> were added to the hash. C<version> will be equal to the |
|
total number of versions of the data that have been stored. The |
|
C<timestamp> attribute will be the UNIX time the hash was |
|
stored. C<keys> is available in every historical section to list which |
|
keys were added or changed at a specific historical revision of a |
|
hash. |
|
|
|
B<Warning>: do not store the hash that restore returns directly. This |
|
will cause a mess since it will restore the historical keys as if the |
|
were new keys. I.E. 1:foo will become 1:1:foo etc. |
|
|
|
Calling convention: |
|
|
|
my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname,$home); |
|
&Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$home); |
|
|
|
For more detailed information, see lonnet specific documentation. |
|
|
|
=head1 RETURN MESSAGES |
|
|
|
=over 4 |
|
|
|
=item * B<con_lost>: unable to contact remote host |
|
|
|
=item * B<con_delayed>: unable to contact remote host, message will be delivered |
|
when the connection is brought back up |
|
|
|
=item * B<con_failed>: unable to contact remote host and unable to save message |
|
for later delivery |
|
|
|
=item * B<error:>: an error a occured, a description of the error follows the : |
|
|
|
=item * B<no_such_host>: unable to fund a host associated with the user/domain |
|
that was requested |
|
|
|
=back |
|
|
|
=head1 PUBLIC SUBROUTINES |
|
|
|
=head2 Session Environment Functions |
|
|
|
=over 4 |
|
|
|
=item * |
|
X<appenv()> |
|
B<appenv(%hash)>: the value of %hash is written to |
|
the user envirnoment file, and will be restored for each access this |
|
user makes during this session, also modifies the %env for the current |
|
process |
|
|
|
=item * |
|
X<delenv()> |
|
B<delenv($regexp)>: removes all items from the session |
|
environment file that matches the regular expression in $regexp. The |
|
values are also delted from the current processes %env. |
|
|
|
=item * get_env_multiple($name) |
|
|
|
gets $name from the %env hash, it seemlessly handles the cases where multiple |
|
values may be defined and end up as an array ref. |
|
|
|
returns an array of values |
|
|
|
=back |
|
|
|
=head2 User Information |
|
|
|
=over 4 |
|
|
|
=item * |
|
X<queryauthenticate()> |
|
B<queryauthenticate($uname,$udom)>: try to determine user's current |
|
authentication scheme |
|
|
|
=item * |
|
X<authenticate()> |
|
B<authenticate($uname,$upass,$udom)>: try to |
|
authenticate user from domain's lib servers (first use the current |
|
one). C<$upass> should be the users password. |
|
|
|
=item * |
|
X<homeserver()> |
|
B<homeserver($uname,$udom)>: find the server which has |
|
the user's directory and files (there must be only one), this caches |
|
the answer, and also caches if there is a borken connection. |
|
|
|
=item * |
|
X<idget()> |
|
B<idget($udom,@ids)>: find the usernames behind a list of IDs |
|
(IDs are a unique resource in a domain, there must be only 1 ID per |
|
username, and only 1 username per ID in a specific domain) (returns |
|
hash: id=>name,id=>name) |
|
|
|
=item * |
|
X<idrget()> |
|
B<idrget($udom,@unames)>: find the IDs behind a list of |
|
usernames (returns hash: name=>id,name=>id) |
|
|
|
=item * |
|
X<idput()> |
|
B<idput($udom,%ids)>: store away a list of names and associated IDs |
|
|
|
=item * |
|
X<rolesinit()> |
|
B<rolesinit($udom,$username,$authhost)>: get user privileges |
|
|
|
=item * |
|
X<getsection()> |
|
B<getsection($udom,$uname,$cname)>: finds the section of student in the |
|
course $cname, return section name/number or '' for "not in course" |
|
and '-1' for "no section" |
|
|
|
=item * |
|
X<userenvironment()> |
|
B<userenvironment($udom,$uname,@what)>: gets the values of the keys |
|
passed in @what from the requested user's environment, returns a hash |
|
|
|
=item * |
|
X<userlog_query()> |
|
B<userlog_query($uname,$udom,%filters)>: retrieves data from a user's |
|
activity.log file. %filters defines filters applied when parsing the |
|
log file. These can be start or end timestamps, or the type of action |
|
- log to look for Login or Logout events, check for Checkin or |
|
Checkout, role for role selection. The response is in the form |
|
timestamp1:hostid1:event1×tamp2:hostid2:event2 where events are |
|
escaped strings of the action recorded in the activity.log file. |
|
|
|
=back |
|
|
|
=head2 User Roles |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
allowed($priv,$uri,$symb,$role) : check for a user privilege; returns codes for allowed actions |
|
F: full access |
|
U,I,K: authentication modes (cxx only) |
|
'': forbidden |
|
1: user needs to choose course |
|
2: browse allowed |
|
A: passphrase authentication needed |
|
|
|
=item * |
|
|
|
definerole($rolename,$sysrole,$domrole,$courole) : define role; define a custom |
|
role rolename set privileges in format of lonTabs/roles.tab for system, domain, |
|
and course level |
|
|
|
=item * |
|
|
|
plaintext($short) : return value in %prp hash (rolesplain.tab); plain text |
|
explanation of a user role term |
|
|
|
=item * |
|
|
|
get_my_roles($uname,$udom,$context,$types,$roles,$roledoms) : |
|
All arguments are optional. Returns a hash of a roles, either for |
|
co-author/assistant author roles for a user's Construction Space |
|
(default), or if $context is 'userroles', roles for the user himself, |
|
In the hash, keys are set to colon-separated $uname,$udom,$role, and |
|
(optionally) if $withsec is true, a fourth colon-separated item - $section. |
|
For each key, value is set to colon-separated start and end times for |
|
the role. If no username and domain are specified, will default to |
|
currnt user/domain. Types, roles, and roledoms are references to arrays |
|
of role statuses (active, future or previous), roles |
|
(e.g., cc,in, st etc.) and domains of the roles which can be used |
|
to restrict the list of roles reported. If no array ref is |
|
provided for types, will default to return only active roles. |
|
|
|
=back |
|
|
|
=head2 User Modification |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
assignrole($udom,$uname,$url,$role,$end,$start) : assign role; give a role to a |
|
user for the level given by URL. Optional start and end dates (leave empty |
|
string or zero for "no date") |
|
|
|
=item * |
|
|
|
changepass($uname,$udom,$currentpass,$newpass,$server) : attempts to |
|
change a users, password, possible return values are: ok, |
|
pwchange_failure, non_authorized, auth_mode_error, unknown_user, |
|
refused |
|
|
|
=item * |
|
|
|
modifyuserauth($udom,$uname,$umode,$upass) : modify user authentication |
|
|
|
=item * |
|
|
|
modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene) : |
|
modify user |
|
|
|
=item * |
|
|
|
modifystudent |
|
|
|
modify a students enrollment and identification information. |
|
The course id is resolved based on the current users environment. |
|
This means the envoking user must be a course coordinator or otherwise |
|
associated with a course. |
|
|
|
This call is essentially a wrapper for lonnet::modifyuser and |
|
lonnet::modify_student_enrollment |
|
|
|
Inputs: |
|
|
|
=over 4 |
|
|
|
=item B<$udom> Students loncapa domain |
|
|
|
=item B<$uname> Students loncapa login name |
|
|
|
=item B<$uid> Students id/student number |
|
|
|
=item B<$umode> Students authentication mode |
|
|
|
=item B<$upass> Students password |
|
|
|
=item B<$first> Students first name |
|
|
|
=item B<$middle> Students middle name |
|
|
|
=item B<$last> Students last name |
|
|
|
=item B<$gene> Students generation |
|
|
|
=item B<$usec> Students section in course |
|
|
|
=item B<$end> Unix time of the roles expiration |
|
|
|
=item B<$start> Unix time of the roles start date |
|
|
|
=item B<$forceid> If defined, allow $uid to be changed |
|
|
|
=item B<$desiredhome> server to use as home server for student |
|
|
|
=back |
|
|
|
=item * |
|
|
|
modify_student_enrollment |
|
|
|
Change a students enrollment status in a class. The environment variable |
|
'role.request.course' must be defined for this function to proceed. |
|
|
|
Inputs: |
|
|
|
=over 4 |
|
|
|
=item $udom, students domain |
|
|
|
=item $uname, students name |
|
|
|
=item $uid, students user id |
|
|
|
=item $first, students first name |
|
|
|
=item $middle |
|
|
|
=item $last |
|
|
|
=item $gene |
|
|
|
=item $usec |
|
|
|
=item $end |
|
|
|
=item $start |
|
|
|
=back |
|
|
|
|
|
=item * |
|
|
|
assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start) : assign |
|
custom role; give a custom role to a user for the level given by URL. Specify |
|
name and domain of role author, and role name |
|
|
|
=item * |
|
|
|
revokerole($udom,$uname,$url,$role) : revoke a role for url |
|
|
|
=item * |
|
|
|
revokecustomrole($udom,$uname,$url,$role) : revoke a custom role |
|
|
|
=back |
|
|
|
=head2 Course Infomation |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
coursedescription($courseid) : returns a hash of information about the |
|
specified course id, including all environment settings for the |
|
course, the description of the course will be in the hash under the |
|
key 'description' |
|
|
|
=item * |
|
|
|
resdata($name,$domain,$type,@which) : request for current parameter |
|
setting for a specific $type, where $type is either 'course' or 'user', |
|
@what should be a list of parameters to ask about. This routine caches |
|
answers for 5 minutes. |
|
|
|
=item * |
|
|
|
get_courseresdata($courseid, $domain) : dump the entire course resource |
|
data base, returning a hash that is keyed by the resource name and has |
|
values that are the resource value. I believe that the timestamps and |
|
versions are also returned. |
|
|
|
|
|
=back |
|
|
|
=head2 Course Modification |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
writecoursepref($courseid,%prefs) : write preferences (environment |
|
database) for a course |
|
|
|
=item * |
|
|
|
createcourse($udom,$description,$url) : make/modify course |
|
|
|
=back |
|
|
|
=head2 Resource Subroutines |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
subscribe($fname) : subscribe to a resource, returns URL if possible (probably should use repcopy instead) |
|
|
|
=item * |
|
|
|
repcopy($filename) : subscribes to the requested file, and attempts to |
|
replicate from the owning library server, Might return |
|
'unavailable', 'not_found', 'forbidden', 'ok', or |
|
'bad_request', also attempts to grab the metadata for the |
|
resource. Expects the local filesystem pathname |
|
(/home/httpd/html/res/....) |
|
|
|
=back |
|
|
|
=head2 Resource Information |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
EXT($varname,$symb,$udom,$uname) : evaluates and returns the value of |
|
a vairety of different possible values, $varname should be a request |
|
string, and the other parameters can be used to specify who and what |
|
one is asking about. |
|
|
|
Possible values for $varname are environment.lastname (or other item |
|
from the envirnment hash), user.name (or someother aspect about the |
|
user), resource.0.maxtries (or some other part and parameter of a |
|
resource) |
|
|
|
=item * |
|
|
|
directcondval($number) : get current value of a condition; reads from a state |
|
string |
|
|
|
=item * |
|
|
|
condval($condidx) : value of condition index based on state |
|
|
|
=item * |
|
|
|
metadata($uri,$what,$liburi,$prefix,$depthcount) : request a |
|
resource's metadata, $what should be either a specific key, or either |
|
'keys' (to get a list of possible keys) or 'packages' to get a list of |
|
packages that this resource currently uses, the last 3 arguments are only used internally for recursive metadata. |
|
|
|
this function automatically caches all requests |
|
|
|
=item * |
|
|
|
metadata_query($query,$custom,$customshow) : make a metadata query against the |
|
network of library servers; returns file handle of where SQL and regex results |
|
will be stored for query |
|
|
|
=item * |
|
|
|
symbread($filename) : return symbolic list entry (filename argument optional); |
|
returns the data handle |
|
|
|
=item * |
|
|
|
symbverify($symb,$thisfn) : verifies that $symb actually exists and is |
|
a possible symb for the URL in $thisfn, and if is an encryypted |
|
resource that the user accessed using /enc/ returns a 1 on success, 0 |
|
on failure, user must be in a course, as it assumes the existance of |
|
the course initial hash, and uses $env('request.course.id'} |
|
|
|
|
|
=item * |
|
|
|
symbclean($symb) : removes versions numbers from a symb, returns the |
|
cleaned symb |
|
|
|
=item * |
|
|
|
is_on_map($uri) : checks if the $uri is somewhere on the current |
|
course map, user must be in a course for it to work. |
|
|
|
=item * |
|
|
|
numval($salt) : return random seed value (addend for rndseed) |
|
|
|
=item * |
|
|
|
rndseed($symb,$courseid,$udom,$uname) : create a random sum; returns |
|
a random seed, all arguments are optional, if they aren't sent it uses the |
|
environment to derive them. Note: if symb isn't sent and it can't get one |
|
from &symbread it will use the current time as its return value |
|
|
|
=item * |
|
|
|
ireceipt($funame,$fudom,$fucourseid,$fusymb) : return unique, |
|
unfakeable, receipt |
|
|
|
=item * |
|
|
|
receipt() : API to ireceipt working off of env values; given out to users |
|
|
|
=item * |
|
|
|
countacc($url) : count the number of accesses to a given URL |
|
|
|
=item * |
|
|
|
checkout($symb,$tuname,$tudom,$tcrsid) : creates a record of a user having looked at an item, most likely printed out or otherwise using a resource |
|
|
|
=item * |
|
|
|
checkin($token) : updates that a resource has beeen returned (a hard copy version for instance) and returns the data that $token was Checkout with ($symb, $tuname, $tudom, and $tcrsid) |
|
|
|
=item * |
|
|
|
expirespread($uname,$udom,$stype,$usymb) : set expire date for spreadsheet |
|
|
|
=item * |
|
|
|
devalidate($symb) : devalidate temporary spreadsheet calculations, |
|
forcing spreadsheet to reevaluate the resource scores next time. |
|
|
|
=back |
|
|
|
=head2 Storing/Retreiving Data |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
store($storehash,$symb,$namespace,$udom,$uname) : stores hash permanently |
|
for this url; hashref needs to be given and should be a \%hashname; the |
|
remaining args aren't required and if they aren't passed or are '' they will |
|
be derived from the env |
|
|
|
=item * |
|
|
|
cstore($storehash,$symb,$namespace,$udom,$uname) : same as store but |
|
uses critical subroutine |
|
|
|
=item * |
|
|
|
restore($symb,$namespace,$udom,$uname) : returns hash for this symb; |
|
all args are optional |
|
|
|
=item * |
|
|
|
dumpstore($namespace,$udom,$uname,$regexp,$range) : |
|
dumps the complete (or key matching regexp) namespace into a hash |
|
($udom, $uname, $regexp, $range are optional) for a namespace that is |
|
normally &store()ed into |
|
|
|
$range should be either an integer '100' (give me the first 100 |
|
matching records) |
|
or be two integers sperated by a - with no spaces |
|
'30-50' (give me the 30th through the 50th matching |
|
records) |
|
|
|
|
|
=item * |
|
|
|
putstore($namespace,$symb,$version,$storehash,$udomain,$uname) : |
|
replaces a &store() version of data with a replacement set of data |
|
for a particular resource in a namespace passed in the $storehash hash |
|
reference |
|
|
|
=item * |
|
|
|
tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that |
|
works very similar to store/cstore, but all data is stored in a |
|
temporary location and can be reset using tmpreset, $storehash should |
|
be a hash reference, returns nothing on success |
|
|
|
=item * |
|
|
|
tmprestore($symb,$namespace,$udom,$uname) : storage that works very |
|
similar to restore, but all data is stored in a temporary location and |
|
can be reset using tmpreset. Returns a hash of values on success, |
|
error string otherwise. |
|
|
|
=item * |
|
|
|
tmpreset($symb,$namespace,$udom,$uname) : temporary storage reset, |
|
deltes all keys for $symb form the temporary storage hash. |
|
|
|
=item * |
|
|
|
get($namespace,$storearr,$udom,$uname) : returns hash with keys from array |
|
reference filled in from namesp ($udom and $uname are optional) |
|
|
|
=item * |
|
|
|
del($namespace,$storearr,$udom,$uname) : deletes keys out of array from |
|
namesp ($udom and $uname are optional) |
|
|
|
=item * |
|
|
|
dump($namespace,$udom,$uname,$regexp,$range) : |
|
dumps the complete (or key matching regexp) namespace into a hash |
|
($udom, $uname, $regexp, $range are optional) |
|
|
|
$range should be either an integer '100' (give me the first 100 |
|
matching records) |
|
or be two integers sperated by a - with no spaces |
|
'30-50' (give me the 30th through the 50th matching |
|
records) |
|
=item * |
|
|
|
inc($namespace,$store,$udom,$uname) : increments $store in $namespace. |
|
$store can be a scalar, an array reference, or if the amount to be |
|
incremented is > 1, a hash reference. |
|
|
|
($udom and $uname are optional) |
|
|
|
=item * |
|
|
|
put($namespace,$storehash,$udom,$uname) : stores hash in namesp |
|
($udom and $uname are optional) |
|
|
|
=item * |
|
|
|
cput($namespace,$storehash,$udom,$uname) : critical put |
|
($udom and $uname are optional) |
|
|
|
=item * |
|
|
|
newput($namespace,$storehash,$udom,$uname) : |
|
|
|
Attempts to store the items in the $storehash, but only if they don't |
|
currently exist, if this succeeds you can be certain that you have |
|
successfully created a new key value pair in the $namespace db. |
|
|
|
|
|
Args: |
|
$namespace: name of database to store values to |
|
$storehash: hashref to store to the db |
|
$udom: (optional) domain of user containing the db |
|
$uname: (optional) name of user caontaining the db |
|
|
|
Returns: |
|
'ok' -> succeeded in storing all keys of $storehash |
|
'key_exists: <key>' -> failed to anything out of $storehash, as at |
|
least <key> already existed in the db (other |
|
requested keys may also already exist) |
|
'error: <msg>' -> unable to tie the DB or other erorr occured |
|
'con_lost' -> unable to contact request server |
|
'refused' -> action was not allowed by remote machine |
|
|
|
|
|
=item * |
|
|
|
eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array |
|
reference filled in from namesp (encrypts the return communication) |
|
($udom and $uname are optional) |
|
|
|
=item * |
|
|
|
log($udom,$name,$home,$message) : write to permanent log for user; use |
|
critical subroutine |
|
|
|
=item * |
|
|
|
get_dom($namespace,$storearr,$udom,$uhome) : returns hash with keys from |
|
array reference filled in from namespace found in domain level on either |
|
specified domain server ($uhome) or primary domain server ($udom and $uhome are optional). |
|
|
|
=item * |
|
|
|
put_dom($namespace,$storehash,$udom,$uhome) : stores hash in namespace at |
|
domain level either on specified domain server ($uhome) or primary domain |
|
server ($udom and $uhome are optional) |
|
|
|
=back |
|
|
|
=head2 Network Status Functions |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
dirlist($uri) : return directory list based on URI |
|
|
|
=item * |
|
|
|
spareserver() : find server with least workload from spare.tab |
|
|
|
=back |
|
|
|
=head2 Apache Request |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
ssi($url,%hash) : server side include, does a complete request cycle on url to |
|
localhost, posts hash |
|
|
|
=back |
|
|
|
=head2 Data to String to Data |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
hash2str(%hash) : convert a hash into a string complete with escaping and '=' |
|
and '&' separators, supports elements that are arrayrefs and hashrefs |
|
|
|
=item * |
|
|
|
hashref2str($hashref) : convert a hashref into a string complete with |
|
escaping and '=' and '&' separators, supports elements that are |
|
arrayrefs and hashrefs |
|
|
|
=item * |
|
|
|
arrayref2str($arrayref) : convert an arrayref into a string complete |
|
with escaping and '&' separators, supports elements that are arrayrefs |
|
and hashrefs |
|
|
|
=item * |
|
|
|
str2hash($string) : convert string to hash using unescaping and |
|
splitting on '=' and '&', supports elements that are arrayrefs and |
|
hashrefs |
|
|
|
=item * |
|
|
|
str2array($string) : convert string to hash using unescaping and |
|
splitting on '&', supports elements that are arrayrefs and hashrefs |
|
|
|
=back |
|
|
|
=head2 Logging Routines |
|
|
|
=over 4 |
|
|
|
These routines allow one to make log messages in the lonnet.log and |
|
lonnet.perm logfiles. |
|
|
|
=item * |
|
|
|
logtouch() : make sure the logfile, lonnet.log, exists |
|
|
|
=item * |
|
|
|
logthis() : append message to the normal lonnet.log file, it gets |
|
preiodically rolled over and deleted. |
|
|
|
=item * |
|
|
|
logperm() : append a permanent message to lonnet.perm.log, this log |
|
file never gets deleted by any automated portion of the system, only |
|
messages of critical importance should go in here. |
|
|
|
=back |
|
|
|
=head2 General File Helper Routines |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
getfile($file,$caller) : two cases - requests for files in /res or in /uploaded. |
|
(a) files in /uploaded |
|
(i) If a local copy of the file exists - |
|
compares modification date of local copy with last-modified date for |
|
definitive version stored on home server for course. If local copy is |
|
stale, requests a new version from the home server and stores it. |
|
If the original has been removed from the home server, then local copy |
|
is unlinked. |
|
(ii) If local copy does not exist - |
|
requests the file from the home server and stores it. |
|
|
|
If $caller is 'uploadrep': |
|
This indicates a call from lonuploadrep.pm (PerlHeaderParserHandler phase) |
|
for request for files originally uploaded via DOCS. |
|
- returns 'ok' if fresh local copy now available, -1 otherwise. |
|
|
|
Otherwise: |
|
This indicates a call from the content generation phase of the request. |
|
- returns the entire contents of the file or -1. |
|
|
|
(b) files in /res |
|
- returns the entire contents of a file or -1; |
|
it properly subscribes to and replicates the file if neccessary. |
|
|
|
|
|
=item * |
|
|
|
stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file |
|
reference |
|
|
|
returns either a stat() list of data about the file or an empty list |
|
if the file doesn't exist or couldn't find out about it (connection |
|
problems or user unknown) |
|
|
|
=item * |
|
|
|
filelocation($dir,$file) : returns file system location of a file |
|
based on URI; meant to be "fairly clean" absolute reference, $dir is a |
|
directory that relative $file lookups are to looked in ($dir of /a/dir |
|
and a file of ../bob will become /a/bob) |
|
|
|
=item * |
|
|
|
hreflocation($dir,$file) : returns file system location or a URL; same as |
|
filelocation except for hrefs |
|
|
|
=item * |
|
|
|
declutter() : declutters URLs (remove docroot, beginning slashes, 'res' etc) |
|
|
|
=back |
|
|
|
=head2 Usererfile file routines (/uploaded*) |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
userfileupload(): main rotine for putting a file in a user or course's |
|
filespace, arguments are, |
|
|
|
formname - required - this is the name of the element in $env where the |
|
filename, and the contents of the file to create/modifed exist |
|
the filename is in $env{'form.'.$formname.'.filename'} and the |
|
contents of the file is located in $env{'form.'.$formname} |
|
coursedoc - if true, store the file in the course of the active role |
|
of the current user |
|
subdir - required - subdirectory to put the file in under ../userfiles/ |
|
if undefined, it will be placed in "unknown" |
|
|
|
(This routine calls clean_filename() to remove any dangerous |
|
characters from the filename, and then calls finuserfileupload() to |
|
complete the transaction) |
|
|
|
returns either the url of the uploaded file (/uploaded/....) if successful |
|
and /adm/notfound.html if unsuccessful |
|
|
|
=item * |
|
|
|
clean_filename(): routine for cleaing a filename up for storage in |
|
userfile space, argument is: |
|
|
|
filename - proposed filename |
|
|
|
returns: the new clean filename |
|
|
|
=item * |
|
|
|
finishuserfileupload(): routine that creaes and sends the file to |
|
userspace, probably shouldn't be called directly |
|
|
|
docuname: username or courseid of destination for the file |
|
docudom: domain of user/course of destination for the file |
|
formname: same as for userfileupload() |
|
fname: filename (inculding subdirectories) for the file |
|
|
|
returns either the url of the uploaded file (/uploaded/....) if successful |
|
and /adm/notfound.html if unsuccessful |
|
|
|
=item * |
|
|
|
renameuserfile(): renames an existing userfile to a new name |
|
|
|
Args: |
|
docuname: username or courseid of destination for the file |
|
docudom: domain of user/course of destination for the file |
|
old: current file name (including any subdirs under userfiles) |
|
new: desired file name (including any subdirs under userfiles) |
|
|
|
=item * |
|
|
|
mkdiruserfile(): creates a directory is a userfiles dir |
|
|
|
Args: |
|
docuname: username or courseid of destination for the file |
|
docudom: domain of user/course of destination for the file |
|
dir: dir to create (including any subdirs under userfiles) |
|
|
|
=item * |
|
|
|
removeuserfile(): removes a file that exists in userfiles |
|
|
|
Args: |
|
docuname: username or courseid of destination for the file |
|
docudom: domain of user/course of destination for the file |
|
fname: filname to delete (including any subdirs under userfiles) |
|
|
|
=item * |
|
|
|
removeuploadedurl(): convience function for removeuserfile() |
|
|
|
Args: |
|
url: a full /uploaded/... url to delete |
|
|
|
=item * |
|
|
|
get_portfile_permissions(): |
|
Args: |
|
domain: domain of user or course contain the portfolio files |
|
user: name of user or num of course contain the portfolio files |
|
Returns: |
|
hashref of a dump of the proper file_permissions.db |
|
|
|
|
|
=item * |
|
|
|
get_access_controls(): |
|
|
|
Args: |
|
current_permissions: the hash ref returned from get_portfile_permissions() |
|
group: (optional) the group you want the files associated with |
|
file: (optional) the file you want access info on |
|
|
|
Returns: |
|
a hash (keys are file names) of hashes containing |
|
keys are: path to file/file_name\0uniqueID:scope_end_start (see below) |
|
values are XML containing access control settings (see below) |
|
|
|
Internal notes: |
|
|
|
access controls are stored in file_permissions.db as key=value pairs. |
|
key -> path to file/file_name\0uniqueID:scope_end_start |
|
where scope -> public,guest,course,group,domains or users. |
|
end -> UNIX time for end of access (0 -> no end date) |
|
start -> UNIX time for start of access |
|
|
|
value -> XML description of access control |
|
<scope type=""> (type =1 of: public,guest,course,group,domains,users"> |
|
<start></start> |
|
<end></end> |
|
|
|
<password></password> for scope type = guest |
|
|
|
<domain></domain> for scope type = course or group |
|
<number></number> |
|
<roles id=""> |
|
<role></role> |
|
<access></access> |
|
<section></section> |
|
<group></group> |
|
</roles> |
|
|
|
<dom></dom> for scope type = domains |
|
|
|
<users> for scope type = users |
|
<user> |
|
<uname></uname> |
|
<udom></udom> |
|
</user> |
|
</users> |
|
</scope> |
|
|
|
Access data is also aggregated for each file in an additional key=value pair: |
|
key -> path to file/file_name\0accesscontrol |
|
value -> reference to hash |
|
hash contains key = value pairs |
|
where key = uniqueID:scope_end_start |
|
value = UNIX time record was last updated |
|
|
|
Used to improve speed of look-ups of access controls for each file. |
|
|
|
Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays. |
|
|
|
modify_access_controls(): |
|
|
|
Modifies access controls for a portfolio file |
|
Args |
|
1. file name |
|
2. reference to hash of required changes, |
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3. domain |
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4. username |
|
where domain,username are the domain of the portfolio owner |
|
(either a user or a course) |
|
|
|
Returns: |
|
1. result of additions or updates ('ok' or 'error', with error message). |
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2. result of deletions ('ok' or 'error', with error message). |
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3. reference to hash of any new or updated access controls. |
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4. reference to hash used to map incoming IDs to uniqueIDs assigned to control. |
|
key = integer (inbound ID) |
|
value = uniqueID |
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|
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=back |
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|
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=head2 HTTP Helper Routines |
|
|
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=over 4 |
|
|
|
=item * |
|
|
|
escape() : unpack non-word characters into CGI-compatible hex codes |
|
|
|
=item * |
|
|
|
unescape() : pack CGI-compatible hex codes into actual non-word ASCII character |
|
|
|
=back |
|
|
|
=head1 PRIVATE SUBROUTINES |
|
|
|
=head2 Underlying communication routines (Shouldn't call) |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
subreply() : tries to pass a message to lonc, returns con_lost if incapable |
|
|
|
=item * |
|
|
|
reply() : uses subreply to send a message to remote machine, logs all failures |
|
|
|
=item * |
|
|
|
critical() : passes a critical message to another server; if cannot |
|
get through then place message in connection buffer directory and |
|
returns con_delayed, if incapable of saving message, returns |
|
con_failed |
|
|
|
=item * |
|
|
|
reconlonc() : tries to reconnect lonc client processes. |
|
|
|
=back |
|
|
|
=head2 Resource Access Logging |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
flushcourselogs() : flush (save) buffer logs and access logs |
|
|
|
=item * |
|
|
|
courselog($what) : save message for course in hash |
|
|
|
=item * |
|
|
|
courseacclog($what) : save message for course using &courselog(). Perform |
|
special processing for specific resource types (problems, exams, quizzes, etc). |
|
|
|
=item * |
|
|
|
goodbye() : flush course logs and log shutting down; it is called in srm.conf |
|
as a PerlChildExitHandler |
|
|
|
=back |
|
|
|
=head2 Other |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
symblist($mapname,%newhash) : update symbolic storage links |
|
|
|
=back |
|
|
|
=cut |
|
|