version 1.187, 2001/12/07 20:05:36
|
version 1.191, 2001/12/18 20:59:38
|
Line 62
|
Line 62
|
# 11/17,11/20,11/22,11/29 Gerd Kortemeyer |
# 11/17,11/20,11/22,11/29 Gerd Kortemeyer |
# 12/5 Matthew Hall |
# 12/5 Matthew Hall |
# 12/5 Guy Albertelli |
# 12/5 Guy Albertelli |
# 12/6,12/7 Gerd Kortemeyer |
# 12/6,12/7,12/12 Gerd Kortemeyer |
# |
# 12/18 Scott Harrison |
# $Id$ |
|
# |
# |
### |
### |
|
|
# Functions for use by content handlers: |
|
# |
|
# metadata_query(sql-query-string,custom-metadata-regex) : |
|
# returns file handle of where sql and |
|
# regex results will be stored for query |
|
# plaintext(short) : plain text explanation of short term |
|
# fileembstyle(ext) : embed style in page for file extension |
|
# filedescription(ext) : descriptor text for file extension |
|
# allowed(short,url) : 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 |
|
# definerole(rolename,sys,dom,cou) : define a custom role rolename |
|
# set privileges in format of lonTabs/roles.tab for |
|
# system, domain and course level, |
|
# assignrole(udom,uname,url,role,end,start) : 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") |
|
# assigncustomrole (udom,uname,url,rdom,rnam,rolename,end,start) : give a |
|
# custom role to a user for the level given by url. |
|
# Specify name and domain of role author, and role name |
|
# revokerole (udom,uname,url,role) : Revoke a role for url |
|
# revokecustomrole (udom,uname,url,rdom,rnam,rolename) : Revoke a custom role |
|
# appenv(hash) : adds hash to session environment |
|
# delenv(varname) : deletes all environment entries starting with varname |
|
# store(hashref,symb,courseid,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 |
|
# cstore(hashref,symb,courseid,udom,uname) |
|
# : same as store but uses the critical interface to |
|
# guarentee a store |
|
# restore(symb,courseid,udom,uname) |
|
# : returns hash for this symb, all args are optional |
|
# if they aren't given they will be derived from the |
|
# current enviroment |
|
# |
|
# |
|
# for the next 6 functions udom and uname are optional |
|
# if supplied they use udom as the domain and uname |
|
# as the username for the function (supply a courseid |
|
# for the uname if you want a course database) |
|
# if not supplied it uses %ENV and looks at |
|
# user. attribute for the values |
|
# |
|
# eget(namesp,arrayref,udom,uname) |
|
# : returns hash with keys from array reference filled |
|
# in from namesp (encrypts the return communication) |
|
# get(namesp,arrayref,udom,uname) |
|
# : returns hash with keys from array reference filled |
|
# in from namesp |
|
# dump(namesp,udom,uname) : dumps the complete namespace into a hash |
|
# del(namesp,array,udom,uname) : deletes keys out of array from namesp |
|
# put(namesp,hash,udom,uname) : stores hash in namesp |
|
# cput(namesp,hash,udom,uname) : critical put |
|
# |
|
# |
|
# ssi(url,hash) : does a complete request cycle on url to localhost, posts |
|
# hash |
|
# coursedescription(id) : returns and caches course description for id |
|
# repcopy(filename) : replicate file |
|
# dirlist(url) : gets a directory listing |
|
# directcondval(index) : reading condition value of single condition from |
|
# state string |
|
# condval(index) : value of condition index based on state |
|
# EXT(name) : value of a variable |
|
# symblist(map,hash) : Updates symbolic storage links |
|
# symbread([filename]) : returns the data handle (filename optional) |
|
# rndseed([symb,courseid,domain,uname]) |
|
# : returns a random seed, all arguments are optional, |
|
# if they aren't sent it use 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 it's return |
|
# receipt() : returns a receipt to be given out to users |
|
# getfile(filename) : returns the contents of filename, or a -1 if it can't |
|
# be found, replicates and subscribes to the file |
|
# filelocation(dir,file) : returns a fairly clean absolute reference to file |
|
# from the directory dir |
|
# hreflocation(dir,file) : same as filelocation, but for hrefs |
|
# log(domain,user,home,msg) : write to permanent log for user |
|
# usection(domain,user,courseid) : output of section name/number or '' for |
|
# "not in course" and '-1' for "no section" |
|
# userenvironment(domain,user,what) : puts out any environment parameter |
|
# for a user |
|
# idput(domain,hash) : writes IDs for users from hash (name=>id,name=>id) |
|
# idget(domain,array): returns hash with usernames (id=>name,id=>name) for |
|
# an array of IDs |
|
# idrget(domain,array): returns hash with IDs for usernames (name=>id,...) for |
|
# an array of names |
|
# metadata(file,entry): returns the metadata entry for a file. entry='keys' |
|
# returns a comma separated list of keys |
|
# |
|
|
|
package Apache::lonnet; |
package Apache::lonnet; |
|
|
use strict; |
use strict; |
Line 172 use Apache::File;
|
Line 74 use Apache::File;
|
use LWP::UserAgent(); |
use LWP::UserAgent(); |
use HTTP::Headers; |
use HTTP::Headers; |
use vars |
use vars |
qw(%perlvar %hostname %homecache %hostip %spareid %hostdom %libserv %pr %prp %fe %fd %metacache %packagetab %courselogs %accesshash $processmarker $dumpcount); |
qw(%perlvar %hostname %homecache %hostip %spareid %hostdom |
|
%libserv %pr %prp %fe %fd %metacache %packagetab |
|
%courselogs %accesshash $processmarker $dumpcount |
|
%coursedombuf %coursehombuf); |
use IO::Socket; |
use IO::Socket; |
use GDBM_File; |
use GDBM_File; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
Line 324 sub critical {
|
Line 229 sub critical {
|
|
|
sub appenv { |
sub appenv { |
my %newenv=@_; |
my %newenv=@_; |
map { |
foreach (keys %newenv) { |
if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { |
if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { |
&logthis("<font color=blue>WARNING: ". |
&logthis("<font color=blue>WARNING: ". |
"Attempt to modify environment ".$_." to ".$newenv{$_} |
"Attempt to modify environment ".$_." to ".$newenv{$_} |
Line 333 sub appenv {
|
Line 238 sub appenv {
|
} else { |
} else { |
$ENV{$_}=$newenv{$_}; |
$ENV{$_}=$newenv{$_}; |
} |
} |
} keys %newenv; |
} |
|
|
my $lockfh; |
my $lockfh; |
unless ($lockfh=Apache::File->new("$ENV{'user.environment'}")) { |
unless ($lockfh=Apache::File->new("$ENV{'user.environment'}")) { |
Line 415 sub delenv {
|
Line 320 sub delenv {
|
$fh->close(); |
$fh->close(); |
return 'error: '.$!; |
return 'error: '.$!; |
} |
} |
map { |
foreach (@oldenv) { |
unless ($_=~/^$delthis/) { print $fh $_; } |
unless ($_=~/^$delthis/) { print $fh $_; } |
} @oldenv; |
} |
$fh->close(); |
$fh->close(); |
} |
} |
return 'ok'; |
return 'ok'; |
Line 570 sub idget {
|
Line 475 sub idget {
|
sub idrget { |
sub idrget { |
my ($udom,@unames)=@_; |
my ($udom,@unames)=@_; |
my %returnhash=(); |
my %returnhash=(); |
map { |
foreach (@unames) { |
$returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; |
$returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; |
} @unames; |
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
Line 581 sub idrget {
|
Line 486 sub idrget {
|
sub idput { |
sub idput { |
my ($udom,%ids)=@_; |
my ($udom,%ids)=@_; |
my %servers=(); |
my %servers=(); |
map { |
foreach (keys %ids) { |
my $uhom=&homeserver($_,$udom); |
my $uhom=&homeserver($_,$udom); |
if ($uhom ne 'no_host') { |
if ($uhom ne 'no_host') { |
my $id=&escape($ids{$_}); |
my $id=&escape($ids{$_}); |
Line 594 sub idput {
|
Line 499 sub idput {
|
} |
} |
&critical('put:'.$udom.':'.$unam.':environment:id='.$id,$uhom); |
&critical('put:'.$udom.':'.$unam.':environment:id='.$id,$uhom); |
} |
} |
} keys %ids; |
} |
map { |
foreach (keys %servers) { |
&critical('idput:'.$udom.':'.$servers{$_},$_); |
&critical('idput:'.$udom.':'.$servers{$_},$_); |
} keys %servers; |
} |
} |
} |
|
|
# ------------------------------------- Find the section of student in a course |
# ------------------------------------- Find the section of student in a course |
Line 606 sub usection {
|
Line 511 sub usection {
|
my ($udom,$unam,$courseid)=@_; |
my ($udom,$unam,$courseid)=@_; |
$courseid=~s/\_/\//g; |
$courseid=~s/\_/\//g; |
$courseid=~s/^(\w)/\/$1/; |
$courseid=~s/^(\w)/\/$1/; |
map { |
foreach (split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', |
|
&homeserver($unam,$udom)))) { |
my ($key,$value)=split(/\=/,$_); |
my ($key,$value)=split(/\=/,$_); |
$key=&unescape($key); |
$key=&unescape($key); |
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
Line 623 sub usection {
|
Line 529 sub usection {
|
} |
} |
unless ($notactive) { return $section; } |
unless ($notactive) { return $section; } |
} |
} |
} split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', |
} |
&homeserver($unam,$udom))); |
|
return '-1'; |
return '-1'; |
} |
} |
|
|
Line 753 sub log {
|
Line 658 sub log {
|
|
|
sub flushcourselogs { |
sub flushcourselogs { |
&logthis('Flushing course log buffers'); |
&logthis('Flushing course log buffers'); |
map { |
foreach (keys %courselogs) { |
my $crsid=$_; |
my $crsid=$_; |
if (&reply('log:'.$ENV{'course.'.$crsid.'.domain'}.':'. |
if (&reply('log:'.$coursedombuf{$crsid}.':'. |
$ENV{'course.'.$crsid.'.num'}.':'. |
&escape($courselogs{$crsid}), |
&escape($courselogs{$crsid}), |
$coursehombuf{$crsid}) eq 'ok') { |
$ENV{'course.'.$crsid.'.home'}) eq 'ok') { |
|
delete $courselogs{$crsid}; |
delete $courselogs{$crsid}; |
} else { |
} else { |
&logthis('Failed to flush log buffer for '.$crsid); |
&logthis('Failed to flush log buffer for '.$crsid); |
Line 768 sub flushcourselogs {
|
Line 672 sub flushcourselogs {
|
delete $courselogs{$crsid}; |
delete $courselogs{$crsid}; |
} |
} |
} |
} |
} keys %courselogs; |
} |
&logthis('Flushing access logs'); |
&logthis('Flushing access logs'); |
map { |
foreach (keys %accesshash) { |
my $entry=$_; |
my $entry=$_; |
$entry=~/\_\_\_(\w+)\/(\w+)\/(.*)\_\_\_(\w+)$/; |
$entry=~/\_\_\_(\w+)\/(\w+)\/(.*)\_\_\_(\w+)$/; |
my %temphash=($entry => $accesshash{$entry}); |
my %temphash=($entry => $accesshash{$entry}); |
if (&Apache::lonnet::put('resevaldata',\%temphash,$1,$2) eq 'ok') { |
if (&Apache::lonnet::put('resevaldata',\%temphash,$1,$2) eq 'ok') { |
delete $accesshash{$entry}; |
delete $accesshash{$entry}; |
} |
} |
} keys %accesshash; |
} |
$dumpcount++; |
$dumpcount++; |
} |
} |
|
|
Line 785 sub courselog {
|
Line 689 sub courselog {
|
my $what=shift; |
my $what=shift; |
$what=time.':'.$what; |
$what=time.':'.$what; |
unless ($ENV{'request.course.id'}) { return ''; } |
unless ($ENV{'request.course.id'}) { return ''; } |
|
$coursedombuf{$ENV{'request.course.id'}}= |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'. |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; |
|
$coursehombuf{$ENV{'request.course.id'}}= |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
if (defined $courselogs{$ENV{'request.course.id'}}) { |
if (defined $courselogs{$ENV{'request.course.id'}}) { |
$courselogs{$ENV{'request.course.id'}}.='&'.$what; |
$courselogs{$ENV{'request.course.id'}}.='&'.$what; |
} else { |
} else { |
Line 801 sub courseacclog {
|
Line 710 sub courseacclog {
|
my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; |
my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; |
if ($what=~/(problem|exam|quiz|assess|survey|form)$/) { |
if ($what=~/(problem|exam|quiz|assess|survey|form)$/) { |
$what.=':POST'; |
$what.=':POST'; |
map { |
foreach (keys %ENV) { |
if ($_=~/^form\.(.*)/) { |
if ($_=~/^form\.(.*)/) { |
$what.=':'.$1.'='.$ENV{$_}; |
$what.=':'.$1.'='.$ENV{$_}; |
} |
} |
} keys %ENV; |
} |
} |
} |
&courselog($what); |
&courselog($what); |
} |
} |
Line 951 sub devalidate {
|
Line 860 sub devalidate {
|
sub hash2str { |
sub hash2str { |
my (%hash)=@_; |
my (%hash)=@_; |
my $result=''; |
my $result=''; |
map { $result.=escape($_).'='.escape($hash{$_}).'&'; } keys %hash; |
foreach (keys %hash) { $result.=escape($_).'='.escape($hash{$_}).'&'; } |
$result=~s/\&$//; |
$result=~s/\&$//; |
return $result; |
return $result; |
} |
} |
Line 959 sub hash2str {
|
Line 868 sub hash2str {
|
sub str2hash { |
sub str2hash { |
my ($string) = @_; |
my ($string) = @_; |
my %returnhash; |
my %returnhash; |
map { |
foreach (split(/\&/,$string)) { |
my ($name,$value)=split(/\=/,$_); |
my ($name,$value)=split(/\=/,$_); |
$returnhash{&unescape($name)}=&unescape($value); |
$returnhash{&unescape($name)}=&unescape($value); |
} split(/\&/,$string); |
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
Line 1112 sub store {
|
Line 1021 sub store {
|
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 $namevalue=''; |
my $namevalue=''; |
map { |
foreach (keys %$storehash) { |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
} keys %$storehash; |
} |
$namevalue=~s/\&$//; |
$namevalue=~s/\&$//; |
&courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); |
&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 1143 sub cstore {
|
Line 1052 sub cstore {
|
if (!$home) { $home=$ENV{'user.home'}; } |
if (!$home) { $home=$ENV{'user.home'}; } |
|
|
my $namevalue=''; |
my $namevalue=''; |
map { |
foreach (keys %$storehash) { |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
} keys %$storehash; |
} |
$namevalue=~s/\&$//; |
$namevalue=~s/\&$//; |
&courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); |
&courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); |
return critical("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
return critical |
|
("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
} |
} |
|
|
# --------------------------------------------------------------------- Restore |
# --------------------------------------------------------------------- Restore |
Line 1164 sub restore {
|
Line 1074 sub restore {
|
} else { |
} else { |
$symb=&escape($symb); |
$symb=&escape($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 (split(/\&/,$answer)) { |
my ($name,$value)=split(/\=/,$_); |
my ($name,$value)=split(/\=/,$_); |
$returnhash{&unescape($name)}=&unescape($value); |
$returnhash{&unescape($name)}=&unescape($value); |
} split(/\&/,$answer); |
} |
my $version; |
my $version; |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
map { |
foreach (split(/\:/,$returnhash{$version.':keys'})) { |
$returnhash{$_}=$returnhash{$version.':'.$_}; |
$returnhash{$_}=$returnhash{$version.':'.$_}; |
} split(/\:/,$returnhash{$version.':keys'}); |
} |
} |
} |
return %returnhash; |
return %returnhash; |
} |
} |
Line 1230 sub rolesinit {
|
Line 1144 sub rolesinit {
|
my $thesestr; |
my $thesestr; |
|
|
if ($rolesdump ne '') { |
if ($rolesdump ne '') { |
map { |
foreach (split(/&/,$rolesdump)) { |
if ($_!~/^rolesdef\&/) { |
if ($_!~/^rolesdef\&/) { |
my ($area,$role)=split(/=/,$_); |
my ($area,$role)=split(/=/,$_); |
$area=~s/\_\w\w$//; |
$area=~s/\_\w\w$//; |
Line 1286 sub rolesinit {
|
Line 1200 sub rolesinit {
|
} |
} |
} |
} |
} |
} |
} split(/&/,$rolesdump); |
} |
my $adv=0; |
my $adv=0; |
my $author=0; |
my $author=0; |
map { |
foreach (keys %allroles) { |
%thesepriv=(); |
%thesepriv=(); |
if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } |
if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } |
if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } |
if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } |
map { |
foreach (split(/:/,$allroles{$_})) { |
if ($_ ne '') { |
if ($_ ne '') { |
my ($privilege,$restrictions)=split(/&/,$_); |
my ($privilege,$restrictions)=split(/&/,$_); |
if ($restrictions eq '') { |
if ($restrictions eq '') { |
Line 1304 sub rolesinit {
|
Line 1218 sub rolesinit {
|
} |
} |
} |
} |
} |
} |
} split(/:/,$allroles{$_}); |
} |
$thesestr=''; |
$thesestr=''; |
map { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } keys %thesepriv; |
foreach (keys %thesepriv) { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } |
$userroles.='user.priv.'.$_.'='.$thesestr."\n"; |
$userroles.='user.priv.'.$_.'='.$thesestr."\n"; |
} keys %allroles; |
} |
$userroles.='user.adv='.$adv."\n". |
$userroles.='user.adv='.$adv."\n". |
'user.author='.$author."\n"; |
'user.author='.$author."\n"; |
$ENV{'user.adv'}=$adv; |
$ENV{'user.adv'}=$adv; |
Line 1321 sub rolesinit {
|
Line 1235 sub rolesinit {
|
sub get { |
sub get { |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my $items=''; |
my $items=''; |
map { |
foreach (@$storearr) { |
$items.=escape($_).'&'; |
$items.=escape($_).'&'; |
} @$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'}; } |
Line 1333 sub get {
|
Line 1247 sub get {
|
my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
my %returnhash=(); |
my %returnhash=(); |
my $i=0; |
my $i=0; |
map { |
foreach (@$storearr) { |
$returnhash{$_}=unescape($pairs[$i]); |
$returnhash{$_}=unescape($pairs[$i]); |
$i++; |
$i++; |
} @$storearr; |
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
Line 1345 sub get {
|
Line 1259 sub get {
|
sub del { |
sub del { |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my $items=''; |
my $items=''; |
map { |
foreach (@$storearr) { |
$items.=escape($_).'&'; |
$items.=escape($_).'&'; |
} @$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'}; } |
Line 1366 sub dump {
|
Line 1280 sub dump {
|
my $rep=reply("dump:$udomain:$uname:$namespace",$uhome); |
my $rep=reply("dump:$udomain:$uname:$namespace",$uhome); |
my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
my %returnhash=(); |
my %returnhash=(); |
map { |
foreach (@pairs) { |
my ($key,$value)=split(/=/,$_); |
my ($key,$value)=split(/=/,$_); |
$returnhash{unescape($key)}=unescape($value); |
$returnhash{unescape($key)}=unescape($value); |
} @pairs; |
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
Line 1381 sub put {
|
Line 1295 sub put {
|
if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
my $items=''; |
my $items=''; |
map { |
foreach (keys %$storehash) { |
$items.=&escape($_).'='.&escape($$storehash{$_}).'&'; |
$items.=&escape($_).'='.&escape($$storehash{$_}).'&'; |
} keys %$storehash; |
} |
$items=~s/\&$//; |
$items=~s/\&$//; |
return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
} |
} |
Line 1396 sub cput {
|
Line 1310 sub cput {
|
if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
my $items=''; |
my $items=''; |
map { |
foreach (keys %$storehash) { |
$items.=escape($_).'='.escape($$storehash{$_}).'&'; |
$items.=escape($_).'='.escape($$storehash{$_}).'&'; |
} keys %$storehash; |
} |
$items=~s/\&$//; |
$items=~s/\&$//; |
return &critical("put:$udomain:$uname:$namespace:$items",$uhome); |
return &critical("put:$udomain:$uname:$namespace:$items",$uhome); |
} |
} |
Line 1408 sub cput {
|
Line 1322 sub cput {
|
sub eget { |
sub eget { |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
my $items=''; |
my $items=''; |
map { |
foreach (@$storearr) { |
$items.=escape($_).'&'; |
$items.=escape($_).'&'; |
} @$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'}; } |
Line 1419 sub eget {
|
Line 1333 sub eget {
|
my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
my %returnhash=(); |
my %returnhash=(); |
my $i=0; |
my $i=0; |
map { |
foreach (@$storearr) { |
$returnhash{$_}=unescape($pairs[$i]); |
$returnhash{$_}=unescape($pairs[$i]); |
$i++; |
$i++; |
} @$storearr; |
} |
return %returnhash; |
return %returnhash; |
} |
} |
|
|
Line 1515 sub allowed {
|
Line 1429 sub allowed {
|
my $refuri=$ENV{'httpref.'.$orguri}; |
my $refuri=$ENV{'httpref.'.$orguri}; |
|
|
unless ($refuri) { |
unless ($refuri) { |
map { |
foreach (keys %ENV) { |
if ($_=~/^httpref\..*\*/) { |
if ($_=~/^httpref\..*\*/) { |
my $pattern=$_; |
my $pattern=$_; |
$pattern=~s/^httpref\.\/res\///; |
$pattern=~s/^httpref\.\/res\///; |
Line 1525 sub allowed {
|
Line 1439 sub allowed {
|
$refuri=$ENV{$_}; |
$refuri=$ENV{$_}; |
} |
} |
} |
} |
} keys %ENV; |
} |
} |
} |
if ($refuri) { |
if ($refuri) { |
$refuri=&declutter($refuri); |
$refuri=&declutter($refuri); |
Line 1681 sub allowed {
|
Line 1595 sub allowed {
|
sub definerole { |
sub definerole { |
if (allowed('mcr','/')) { |
if (allowed('mcr','/')) { |
my ($rolename,$sysrole,$domrole,$courole)=@_; |
my ($rolename,$sysrole,$domrole,$courole)=@_; |
map { |
foreach (split('/',$sysrole)) { |
my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
if ($pr{'cr:s'}!~/$crole/) { return "refused:s:$crole"; } |
if ($pr{'cr:s'}!~/$crole/) { return "refused:s:$crole"; } |
if ($pr{'cr:s'}=~/$crole\&/) { |
if ($pr{'cr:s'}=~/$crole\&/) { |
Line 1689 sub definerole {
|
Line 1603 sub definerole {
|
return "refused:s:$crole&$cqual"; |
return "refused:s:$crole&$cqual"; |
} |
} |
} |
} |
} split('/',$sysrole); |
} |
map { |
foreach (split('/',$domrole)) { |
my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
if ($pr{'cr:d'}!~/$crole/) { return "refused:d:$crole"; } |
if ($pr{'cr:d'}!~/$crole/) { return "refused:d:$crole"; } |
if ($pr{'cr:d'}=~/$crole\&/) { |
if ($pr{'cr:d'}=~/$crole\&/) { |
Line 1698 sub definerole {
|
Line 1612 sub definerole {
|
return "refused:d:$crole&$cqual"; |
return "refused:d:$crole&$cqual"; |
} |
} |
} |
} |
} split('/',$domrole); |
} |
map { |
foreach (split('/',$courole)) { |
my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
if ($pr{'cr:c'}!~/$crole/) { return "refused:c:$crole"; } |
if ($pr{'cr:c'}!~/$crole/) { return "refused:c:$crole"; } |
if ($pr{'cr:c'}=~/$crole\&/) { |
if ($pr{'cr:c'}=~/$crole\&/) { |
Line 1707 sub definerole {
|
Line 1621 sub definerole {
|
return "refused:c:$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=". |
Line 1745 sub plaintext {
|
Line 1659 sub plaintext {
|
return $prp{$short}; |
return $prp{$short}; |
} |
} |
|
|
# ------------------------------------------------------------------ Plain Text |
|
|
|
sub fileembstyle { |
|
my $ending=lc(shift); |
|
return $fe{$ending}; |
|
} |
|
|
|
# ------------------------------------------------------------ Description Text |
|
|
|
sub filedescription { |
|
my $ending=lc(shift); |
|
return $fd{$ending}; |
|
} |
|
|
|
# ----------------------------------------------------------------- Assign Role |
# ----------------------------------------------------------------- Assign Role |
|
|
sub assignrole { |
sub assignrole { |
Line 1927 sub writecoursepref {
|
Line 1827 sub writecoursepref {
|
return 'error: no such course'; |
return 'error: no such course'; |
} |
} |
my $cstring=''; |
my $cstring=''; |
map { |
foreach (keys %prefs) { |
$cstring.=escape($_).'='.escape($prefs{$_}).'&'; |
$cstring.=escape($_).'='.escape($prefs{$_}).'&'; |
} keys %prefs; |
} |
$cstring=~s/\&$//; |
$cstring=~s/\&$//; |
return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); |
return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); |
} |
} |
Line 2018 sub dirlist {
|
Line 1918 sub dirlist {
|
$tryserver); |
$tryserver); |
if (($listing ne 'no_such_dir') && ($listing ne 'empty') |
if (($listing ne 'no_such_dir') && ($listing ne 'empty') |
&& ($listing ne 'con_lost')) { |
&& ($listing ne 'con_lost')) { |
map { |
foreach (split(/:/,$listing)) { |
my ($entry,@stat)=split(/&/,$_); |
my ($entry,@stat)=split(/&/,$_); |
$allusers{$entry}=1; |
$allusers{$entry}=1; |
} split(/:/,$listing); |
} |
} |
} |
} |
} |
} |
} |
my $alluserstr=''; |
my $alluserstr=''; |
map { |
foreach (sort keys %allusers) { |
$alluserstr.=$_.'&user:'; |
$alluserstr.=$_.'&user:'; |
} sort keys %allusers; |
} |
$alluserstr=~s/:$//; |
$alluserstr=~s/:$//; |
return split(/:/,$alluserstr); |
return split(/:/,$alluserstr); |
} |
} |
Line 2039 sub dirlist {
|
Line 1939 sub dirlist {
|
$alldom{$hostdom{$tryserver}}=1; |
$alldom{$hostdom{$tryserver}}=1; |
} |
} |
my $alldomstr=''; |
my $alldomstr=''; |
map { |
foreach (sort keys %alldom) { |
$alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'&domain:'; |
$alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'&domain:'; |
} sort keys %alldom; |
} |
$alldomstr=~s/:$//; |
$alldomstr=~s/:$//; |
return split(/:/,$alldomstr); |
return split(/:/,$alldomstr); |
} |
} |
Line 2062 sub condval {
|
Line 1962 sub condval {
|
my $condidx=shift; |
my $condidx=shift; |
my $result=0; |
my $result=0; |
my $allpathcond=''; |
my $allpathcond=''; |
map { |
foreach (split(/\|/,$condidx)) { |
if (defined($ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_})) { |
if (defined($ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_})) { |
$allpathcond.= |
$allpathcond.= |
'('.$ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_}.')|'; |
'('.$ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_}.')|'; |
} |
} |
} split(/\|/,$condidx); |
} |
$allpathcond=~s/\|$//; |
$allpathcond=~s/\|$//; |
if ($ENV{'request.course.id'}) { |
if ($ENV{'request.course.id'}) { |
if ($allpathcond) { |
if ($allpathcond) { |
my $operand='|'; |
my $operand='|'; |
my @stack; |
my @stack; |
map { |
foreach ($allpathcond=~/(\d+|\(|\)|\&|\|)/g) { |
if ($_ eq '(') { |
if ($_ eq '(') { |
push @stack,($operand,$result) |
push @stack,($operand,$result) |
} elsif ($_ eq ')') { |
} elsif ($_ eq ')') { |
Line 2091 sub condval {
|
Line 1991 sub condval {
|
$result=$result>$new?$new:$result; |
$result=$result>$new?$new:$result; |
} else { |
} else { |
$result=$result>$new?$result:$new; |
$result=$result>$new?$result:$new; |
} |
} |
} |
} |
} ($allpathcond=~/(\d+|\(|\)|\&|\|)/g); |
} |
} |
} |
} |
} |
return $result; |
return $result; |
Line 2227 sub EXT {
|
Line 2127 sub EXT {
|
&escape($courselevelr).'&'.&escape($courselevelm).'&'.&escape($courselevel), |
&escape($courselevelr).'&'.&escape($courselevelm).'&'.&escape($courselevel), |
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}); |
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}); |
if ($reply!~/^error\:/) { |
if ($reply!~/^error\:/) { |
map { |
foreach (split(/\&/,$reply)) { |
if ($_) { return &unescape($_); } |
if ($_) { return &unescape($_); } |
} split(/\&/,$reply); |
} |
} |
} |
if (($reply=~/^con_lost/) || ($reply=~/^error\:/)) { |
if (($reply=~/^con_lost/) || ($reply=~/^error\:/)) { |
&logthis("<font color=blue>WARNING:". |
&logthis("<font color=blue>WARNING:". |
Line 2339 sub metadata {
|
Line 2239 sub metadata {
|
} else { |
} else { |
$metacache{$uri.':packages'}=$package.$keyroot; |
$metacache{$uri.':packages'}=$package.$keyroot; |
} |
} |
map { |
foreach (keys %packagetab) { |
if ($_=~/^$package\&/) { |
if ($_=~/^$package\&/) { |
my ($pack,$name,$subp)=split(/\&/,$_); |
my ($pack,$name,$subp)=split(/\&/,$_); |
my $value=$packagetab{$_}; |
my $value=$packagetab{$_}; |
Line 2356 sub metadata {
|
Line 2256 sub metadata {
|
$metacache{$uri.':'.$unikey.'.'.$subp}=$value; |
$metacache{$uri.':'.$unikey.'.'.$subp}=$value; |
} |
} |
} |
} |
} keys %packagetab; |
} |
} else { |
} else { |
# |
# |
# This is not a package - some other kind of start tag |
# This is not a package - some other kind of start tag |
Line 2386 sub metadata {
|
Line 2286 sub metadata {
|
if (defined($depthcount)) { $depthcount++; } else |
if (defined($depthcount)) { $depthcount++; } else |
{ $depthcount=0; } |
{ $depthcount=0; } |
if ($depthcount<20) { |
if ($depthcount<20) { |
map { |
foreach (split(/\,/,&metadata($uri,'keys', |
$metathesekeys{$_}=1; |
|
} split(/\,/,&metadata($uri,'keys', |
|
$parser->get_text('/import'),$unikey, |
$parser->get_text('/import'),$unikey, |
$depthcount)); |
$depthcount))) { |
|
$metathesekeys{$_}=1; |
|
} |
} |
} |
} else { |
} else { |
|
|
Line 2398 sub metadata {
|
Line 2298 sub metadata {
|
$unikey.='_'.$token->[2]->{'name'}; |
$unikey.='_'.$token->[2]->{'name'}; |
} |
} |
$metathesekeys{$unikey}=1; |
$metathesekeys{$unikey}=1; |
map { |
foreach (@{$token->[3]}) { |
$metacache{$uri.':'.$unikey.'.'.$_}=$token->[2]->{$_}; |
$metacache{$uri.':'.$unikey.'.'.$_}=$token->[2]->{$_}; |
} @{$token->[3]}; |
} |
unless ( |
unless ( |
$metacache{$uri.':'.$unikey}=$parser->get_text('/'.$entry) |
$metacache{$uri.':'.$unikey}=$parser->get_text('/'.$entry) |
) { $metacache{$uri.':'.$unikey}= |
) { $metacache{$uri.':'.$unikey}= |
Line 2429 sub symblist {
|
Line 2329 sub symblist {
|
if (($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 (keys %newhash) { |
$hash{declutter($_)}=$mapname.'___'.$newhash{$_}; |
$hash{declutter($_)}=$mapname.'___'.$newhash{$_}; |
} keys %newhash; |
} |
if (untie(%hash)) { |
if (untie(%hash)) { |
return 'ok'; |
return 'ok'; |
} |
} |
Line 2486 sub symbread {
|
Line 2386 sub symbread {
|
} else { |
} else { |
# ------------------------------------------ There is more than one possibility |
# ------------------------------------------ There is more than one possibility |
my $realpossible=0; |
my $realpossible=0; |
map { |
foreach (@possibilities) { |
my $file=$bighash{'src_'.$_}; |
my $file=$bighash{'src_'.$_}; |
if (&allowed('bre',$file)) { |
if (&allowed('bre',$file)) { |
my ($mapid,$resid)=split(/\./,$_); |
my ($mapid,$resid)=split(/\./,$_); |
Line 2496 sub symbread {
|
Line 2396 sub symbread {
|
'___'.$resid; |
'___'.$resid; |
} |
} |
} |
} |
} @possibilities; |
} |
if ($realpossible!=1) { $syval=''; } |
if ($realpossible!=1) { $syval=''; } |
} |
} |
} |
} |
Line 2605 sub filelocation {
|
Line 2505 sub filelocation {
|
|
|
sub hreflocation { |
sub hreflocation { |
my ($dir,$file)=@_; |
my ($dir,$file)=@_; |
unless (($_=~/^http:\/\//i) || ($_=~/^\//)) { |
unless (($file=~/^http:\/\//i) || ($file=~/^\//)) { |
my $finalpath=filelocation($dir,$file); |
my $finalpath=filelocation($dir,$file); |
$finalpath=~s/^\/home\/httpd\/html//; |
$finalpath=~s/^\/home\/httpd\/html//; |
return $finalpath; |
return $finalpath; |
Line 2752 $dumpcount=0;
|
Line 2652 $dumpcount=0;
|
} |
} |
|
|
1; |
1; |
|
__END__ |
|
|
|
=head1 NAME |
|
|
|
Apache::lonnet - TCP networking package |
|
|
|
=head1 SYNOPSIS |
|
|
|
Invoked by other LON-CAPA modules. |
|
|
|
&Apache::lonnet::SUBROUTINENAME(ARGUMENTS); |
|
|
|
=head1 INTRODUCTION |
|
|
|
This module provides subroutines which interact with the |
|
lonc/lond (TCP) network layer of LON-CAPA. |
|
|
|
This is part of the LearningOnline Network with CAPA project |
|
described at http://www.lon-capa.org. |
|
|
|
=head1 HANDLER SUBROUTINE |
|
|
|
There is no handler routine for this module. |
|
|
|
=head1 OTHER SUBROUTINES |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
logtouch() : make sure the logfile, lonnet.log, exists |
|
|
|
=item * |
|
|
|
logthis() : append message to lonnet.log |
|
|
|
=item * |
|
|
|
logperm() : append a permanent message to lonnet.perm.log |
|
|
|
=item * |
|
|
|
subreply() : non-critical communication, called by &reply |
|
|
|
=item * |
|
|
|
reply() : makes two attempts to pass message; logs refusals and rejections |
|
|
|
=item * |
|
|
|
reconlonc() : tries to reconnect lonc client processes. |
|
|
|
=item * |
|
|
|
critical() : passes a critical message to another server; if cannot get |
|
through then place message in connection buffer |
|
|
|
=item * |
|
|
|
appenv(%hash) : read in current user environment, append new environment |
|
values to make new user environment |
|
|
|
=item * |
|
|
|
delenv($varname) : read in current user environment, remove all values |
|
beginning with $varname, write new user environment (note: flock is used |
|
to prevent conflicting shared read/writes with file) |
|
|
|
=item * |
|
|
|
spareserver() : find server with least workload from spare.tab |
|
|
|
=item * |
|
|
|
queryauthenticate($uname,$udom) : try to determine user's current |
|
authentication scheme |
|
|
|
=item * |
|
|
|
authenticate($uname,$upass,$udom) : try to authenticate user from domain's lib |
|
servers (first use the current one) |
|
|
|
=item * |
|
|
|
homeserver($uname,$udom) : find the homebase for a user from domain's lib |
|
servers |
|
|
|
=item * |
|
|
|
idget($udom,@ids) : find the usernames behind a list of IDs (returns hash: |
|
id=>name,id=>name) |
|
|
|
=item * |
|
|
|
idrget($udom,@unames) : find the IDs behind a list of usernames (returns hash: |
|
name=>id,name=>id) |
|
|
|
=item * |
|
|
|
idput($udom,%ids) : store away a list of names and associated IDs |
|
|
|
=item * |
|
|
|
usection($domain,$user,$courseid) : output of section name/number or '' for |
|
"not in course" and '-1' for "no section" |
|
|
|
=item * |
|
|
|
userenvironment($domain,$user,$what) : puts out any environment parameter |
|
for a user |
|
|
|
=item * |
|
|
|
subscribe($fname) : subscribe to a resource, return URL if possible |
|
|
|
=item * |
|
|
|
repcopy($filename) : replicate file |
|
|
|
=item * |
|
|
|
ssi($url,%hash) : server side include, does a complete request cycle on url to |
|
localhost, posts hash |
|
|
|
=item * |
|
|
|
log($domain,$name,$home,$message) : write to permanent log for user; use |
|
critical subroutine |
|
|
|
=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 * |
|
|
|
countacc($url) : count the number of accesses to a given URL |
|
|
|
=item * |
|
|
|
sub checkout($symb,$tuname,$tudom,$tcrsid) : check out an item |
|
|
|
=item * |
|
|
|
sub checkin($token) : check in an item |
|
|
|
=item * |
|
|
|
sub expirespread($uname,$udom,$stype,$usymb) : set expire date for spreadsheet |
|
|
|
=item * |
|
|
|
devalidate($symb) : devalidate spreadsheets |
|
|
|
=item * |
|
|
|
hash2str(%hash) : convert a hash into a string complete with escaping and '=' |
|
and '&' separators |
|
|
|
=item * |
|
|
|
str2hash($string) : convert string to hash using unescaping and splitting on |
|
'=' and '&' |
|
|
|
=item * |
|
|
|
tmpreset($symb,$namespace,$domain,$stuname) : temporary storage |
|
|
|
=item * |
|
|
|
tmprestore($symb,$namespace,$domain,$stuname) : temporary restore |
|
|
|
=item * |
|
|
|
store($storehash,$symb,$namespace,$domain,$stuname) : stores hash permanently |
|
for this url; hashref needs to be given and should be a \%hashname; the |
|
remaining args aren't required and if they aren't passed or are '' they will |
|
be derived from the ENV |
|
|
|
=item * |
|
|
|
cstore($storehash,$symb,$namespace,$domain,$stuname) : same as store but |
|
uses critical subroutine |
|
|
|
=item * |
|
|
|
restore($symb,$namespace,$domain,$stuname) : returns hash for this symb; |
|
all args are optional |
|
|
|
=item * |
|
|
|
coursedescription($courseid) : course description |
|
|
|
=item * |
|
|
|
rolesinit($domain,$username,$authhost) : get user privileges |
|
|
|
=item * |
|
|
|
get($namespace,$storearr,$udomain,$uname) : returns hash with keys from array |
|
reference filled in from namesp ($udomain and $uname are optional) |
|
|
|
=item * |
|
|
|
del($namespace,$storearr,$udomain,$uname) : deletes keys out of array from |
|
namesp ($udomain and $uname are optional) |
|
|
|
=item * |
|
|
|
dump($namespace,$udomain,$uname) : dumps the complete namespace into a hash |
|
($udomain and $uname are optional) |
|
|
|
=item * |
|
|
|
put($namespace,$storehash,$udomain,$uname) : stores hash in namesp |
|
($udomain and $uname are optional) |
|
|
|
=item * |
|
|
|
cput($namespace,$storehash,$udomain,$uname) : critical put |
|
($udomain and $uname are optional) |
|
|
|
=item * |
|
|
|
eget($namespace,$storearr,$udomain,$uname) : returns hash with keys from array |
|
reference filled in from namesp (encrypts the return communication) |
|
($udomain and $uname are optional) |
|
|
|
=item * |
|
|
|
allowed($priv,$uri) : check for a user privilege; returns codes for allowed |
|
actions |
|
F: full access |
|
U,I,K: authentication modes (cxx only) |
|
'': forbidden |
|
1: user needs to choose course |
|
2: browse allowed |
|
|
|
=item * |
|
|
|
definerole($rolename,$sysrole,$domrole,$courole) : define role; define a custom |
|
role rolename set privileges in format of lonTabs/roles.tab for system, domain, |
|
and course level |
|
|
|
=item * |
|
|
|
metadata_query($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 * |
|
|
|
plaintext($short) : return value in %prp hash (rolesplain.tab); plain text |
|
explanation of a user role term |
|
|
|
=item * |
|
|
|
assignrole($udom,$uname,$url,$role,$end,$start) : assign role; give a role to a |
|
user for the level given by URL. Optional start and end dates (leave empty |
|
string or zero for "no date") |
|
|
|
=item * |
|
|
|
modifyuserauth($udom,$uname,$umode,$upass) : modify user authentication |
|
|
|
=item * |
|
|
|
modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene) : |
|
modify user |
|
|
|
=item * |
|
|
|
modifystudent($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, |
|
$end,$start) : modify student |
|
|
|
=item * |
|
|
|
writecoursepref($courseid,%prefs) : write preferences for a course |
|
|
|
=item * |
|
|
|
createcourse($udom,$description,$url) : make/modify course |
|
|
|
=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 |
|
|
|
=item * |
|
|
|
dirlist($uri) : return directory list based on URI |
|
|
|
=item * |
|
|
|
directcondval($number) : get current value of a condition; reads from a state |
|
string |
|
|
|
=item * |
|
|
|
condval($condidx) : value of condition index based on state |
|
|
|
=item * |
|
|
|
EXT($varname,$symbparm) : value of a variable |
|
|
|
=item * |
|
|
|
metadata($uri,$what,$liburi,$prefix,$depthcount) : get metadata; returns the |
|
metadata entry for a file; entry='keys', returns a comma separated list of keys |
|
|
|
=item * |
|
|
|
symblist($mapname,%newhash) : update symbolic storage links |
|
|
|
=item * |
|
|
|
symbread($filename) : return symbolic list entry (filename argument optional); |
|
returns the data handle |
|
|
|
=item * |
|
|
|
numval($salt) : return random seed value (addend for rndseed) |
|
|
|
=item * |
|
|
|
rndseed($symb,$courseid,$domain,$username) : create a random sum; returns |
|
a random seed, all arguments are optional, if they aren't sent it uses the |
|
environment to derive them. Note: if symb isn't sent and it can't get one |
|
from &symbread it will use the current time as its return value |
|
|
|
=item * |
|
|
|
ireceipt($funame,$fudom,$fucourseid,$fusymb) : return unique, |
|
unfakeable, receipt |
|
|
|
=item * |
|
|
|
receipt() : API to ireceipt working off of ENV values; given out to users |
|
|
|
=item * |
|
|
|
getfile($file) : serves up a file, returns the contents of a file or -1; |
|
replicates and subscribes to the file |
|
|
|
=item * |
|
|
|
filelocation($dir,$file) : returns file system location of a file based on URI; |
|
meant to be "fairly clean" absolute reference |
|
|
|
=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) |
|
|
|
=item * |
|
|
|
escape() : unpack non-word characters into CGI-compatible hex codes |
|
|
|
=item * |
|
|
|
unescape() : pack CGI-compatible hex codes into actual non-word ASCII character |
|
|
|
=item * |
|
|
|
goodbye() : flush course logs and log shutting down; it is called in srm.conf |
|
as a PerlChildExitHandler |
|
|
|
=back |
|
|
|
=cut |