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version 1.190, 2001/12/12 23:34:14
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version 1.231, 2002/05/22 13:56:43
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Line 63
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Line 63
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| # 12/5 Matthew Hall |
# 12/5 Matthew Hall |
| # 12/5 Guy Albertelli |
# 12/5 Guy Albertelli |
| # 12/6,12/7,12/12 Gerd Kortemeyer |
# 12/6,12/7,12/12 Gerd Kortemeyer |
| |
# 12/18 Scott Harrison |
| |
# 12/21,12/22,12/27,12/28 Gerd Kortemeyer |
| |
# YEAR=2002 |
| |
# 1/4,2/4,2/7 Gerd Kortemeyer |
| # |
# |
| ### |
### |
| |
|
| # 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 170 use Apache::File;
|
Line 77 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 |
qw(%perlvar %hostname %homecache %badServerCache %hostip %spareid %hostdom |
| %libserv %pr %prp %fe %fd %metacache %packagetab |
%libserv %pr %prp %metacache %packagetab |
| %courselogs %accesshash $processmarker $dumpcount |
%courselogs %accesshash $processmarker $dumpcount |
| %coursedombuf %coursehombuf); |
%coursedombuf %coursehombuf %courseresdatacache); |
| use IO::Socket; |
use IO::Socket; |
| use GDBM_File; |
use GDBM_File; |
| use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
| use HTML::TokeParser; |
use HTML::LCParser; |
| use Fcntl qw(:flock); |
use Fcntl qw(:flock); |
| |
my $readit; |
| |
|
| # --------------------------------------------------------------------- Logging |
# --------------------------------------------------------------------- Logging |
| |
|
|
Line 229 sub subreply {
|
Line 137 sub subreply {
|
| |
|
| sub reply { |
sub reply { |
| my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
| |
unless (defined($hostname{$server})) { return 'no_such_host'; } |
| my $answer=subreply($cmd,$server); |
my $answer=subreply($cmd,$server); |
| if ($answer eq 'con_lost') { $answer=subreply($cmd,$server); } |
if ($answer eq 'con_lost') { |
| |
sleep 5; |
| |
$answer=subreply($cmd,$server); |
| |
if ($answer eq 'con_lost') { |
| |
&logthis("Second attempt con_lost on $server"); |
| |
my $peerfile="$perlvar{'lonSockDir'}/$server"; |
| |
my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", |
| |
Type => SOCK_STREAM, |
| |
Timeout => 10) |
| |
or return "con_lost"; |
| |
&logthis("Killing socket"); |
| |
print $client "close_connection_exit\n"; |
| |
sleep 5; |
| |
$answer=subreply($cmd,$server); |
| |
} |
| |
} |
| if (($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 $answer</font>"); |
|
Line 325 sub critical {
|
Line 249 sub critical {
|
| |
|
| sub appenv { |
sub appenv { |
| my %newenv=@_; |
my %newenv=@_; |
| map { |
foreach (keys %newenv) { |
| if (($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 334 sub appenv {
|
Line 258 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 416 sub delenv {
|
Line 340 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 440 sub spareserver {
|
Line 364 sub spareserver {
|
| return $spareserver; |
return $spareserver; |
| } |
} |
| |
|
| |
# --------------------------------------------- Try to change a user's password |
| |
|
| |
sub changepass { |
| |
my ($uname,$udom,$currentpass,$newpass,$server)=@_; |
| |
$currentpass = &escape($currentpass); |
| |
$newpass = &escape($newpass); |
| |
my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass", |
| |
$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 $answer; |
| |
} |
| |
|
| # ----------------------- Try to determine user's current authentication scheme |
# ----------------------- Try to determine user's current authentication scheme |
| |
|
| sub queryauthenticate { |
sub queryauthenticate { |
|
Line 483 sub queryauthenticate {
|
Line 442 sub queryauthenticate {
|
| sub authenticate { |
sub authenticate { |
| my ($uname,$upass,$udom)=@_; |
my ($uname,$upass,$udom)=@_; |
| $upass=escape($upass); |
$upass=escape($upass); |
| |
$uname=~s/\W//g; |
| if (($perlvar{'lonRole'} eq 'library') && |
if (($perlvar{'lonRole'} eq 'library') && |
| ($udom eq $perlvar{'lonDefDomain'})) { |
($udom eq $perlvar{'lonDefDomain'})) { |
| my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'}); |
my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'}); |
|
Line 521 sub authenticate {
|
Line 481 sub authenticate {
|
| # ---------------------- Find the homebase for a user from domain's lib servers |
# ---------------------- Find the homebase for a user from domain's lib servers |
| |
|
| sub homeserver { |
sub homeserver { |
| my ($uname,$udom)=@_; |
my ($uname,$udom,$ignoreBadCache)=@_; |
| |
|
| my $index="$uname:$udom"; |
my $index="$uname:$udom"; |
| if ($homecache{$index}) { return "$homecache{$index}"; } |
if ($homecache{$index}) { |
| |
return "$homecache{$index}"; |
| |
} |
| my $tryserver; |
my $tryserver; |
| foreach $tryserver (keys %libserv) { |
foreach $tryserver (keys %libserv) { |
| |
next if ($ignoreBadCache ne 'true' && |
| |
exists($badServerCache{$tryserver})); |
| if ($hostdom{$tryserver} eq $udom) { |
if ($hostdom{$tryserver} eq $udom) { |
| my $answer=reply("home:$udom:$uname",$tryserver); |
my $answer=reply("home:$udom:$uname",$tryserver); |
| if ($answer eq 'found') { |
if ($answer eq 'found') { |
| $homecache{$index}=$tryserver; |
$homecache{$index}=$tryserver; |
| return $tryserver; |
return $tryserver; |
| } |
} elsif ($answer eq 'no_host') { |
| |
$badServerCache{$tryserver}=1; |
| |
} |
| } |
} |
| } |
} |
| return 'no_host'; |
return 'no_host'; |
|
Line 571 sub idget {
|
Line 535 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 582 sub idrget {
|
Line 546 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{$_}); |
|
Line 595 sub idput {
|
Line 559 sub idput {
|
| } |
} |
| &critical('put:'.$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.':'.$servers{$_},$_); |
| } keys %servers; |
} |
| } |
} |
| |
|
| # ------------------------------------- Find the section of student in a course |
# ------------------------------------- Find the section of student in a course |
|
Line 607 sub usection {
|
Line 571 sub usection {
|
| my ($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 624 sub usection {
|
Line 589 sub usection {
|
| } |
} |
| unless ($notactive) { return $section; } |
unless ($notactive) { return $section; } |
| } |
} |
| } split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', |
} |
| &homeserver($unam,$udom))); |
|
| return '-1'; |
return '-1'; |
| } |
} |
| |
|
|
Line 667 sub subscribe {
|
Line 631 sub subscribe {
|
| sub repcopy { |
sub repcopy { |
| my $filename=shift; |
my $filename=shift; |
| $filename=~s/\/+/\//g; |
$filename=~s/\/+/\//g; |
| |
if ($filename=~/^\/home\/httpd\/html\/adm\//) { return OK; } |
| my $transname="$filename.in.transfer"; |
my $transname="$filename.in.transfer"; |
| if ((-e $filename) || (-e $transname)) { return OK; } |
if ((-e $filename) || (-e $transname)) { return OK; } |
| my $remoteurl=subscribe($filename); |
my $remoteurl=subscribe($filename); |
|
Line 732 sub ssi {
|
Line 697 sub ssi {
|
| |
|
| if (%form) { |
if (%form) { |
| $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn); |
$request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$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); |
$request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn); |
| } |
} |
|
Line 754 sub log {
|
Line 719 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:'.$coursedombuf{$crsid}.':'. |
if (&reply('log:'.$coursedombuf{$crsid}.':'. |
| &escape($courselogs{$crsid}), |
&escape($courselogs{$crsid}), |
|
Line 768 sub flushcourselogs {
|
Line 733 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 804 sub courseacclog {
|
Line 769 sub courseacclog {
|
| my $fnsymb=shift; |
my $fnsymb=shift; |
| unless ($ENV{'request.course.id'}) { return ''; } |
unless ($ENV{'request.course.id'}) { return ''; } |
| 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 ($fnsymb=~/(problem|exam|quiz|assess|survey|form)$/) { |
| $what.=':POST'; |
$what.=':POST'; |
| map { |
foreach (keys %ENV) { |
| if ($_=~/^form\.(.*)/) { |
if ($_=~/^form\.(.*)/) { |
| $what.=':'.$1.'='.$ENV{$_}; |
$what.=':'.$1.'='.$ENV{$_}; |
| } |
} |
| } keys %ENV; |
} |
| } |
} |
| &courselog($what); |
&courselog($what); |
| } |
} |
|
Line 953 sub devalidate {
|
Line 918 sub devalidate {
|
| } |
} |
| } |
} |
| |
|
| |
sub arrayref2str { |
| |
my ($arrayref) = @_; |
| |
my $result='_ARRAY_REF__'; |
| |
foreach my $elem (@$arrayref) { |
| |
if (ref($elem) eq 'ARRAY') { |
| |
$result.=&escape(&arrayref2str($elem)).'&'; |
| |
} elsif (ref($elem) eq 'HASH') { |
| |
$result.=&escape(&hashref2str($elem)).'&'; |
| |
} elsif (ref($elem)) { |
| |
&logthis("Got a ref of ".(ref($elem))." skipping."); |
| |
} else { |
| |
$result.=&escape($elem).'&'; |
| |
} |
| |
} |
| |
$result=~s/\&$//; |
| |
return $result; |
| |
} |
| |
|
| sub hash2str { |
sub hash2str { |
| my (%hash)=@_; |
my (%hash) = @_; |
| my $result=''; |
my $result=&hashref2str(\%hash); |
| map { $result.=escape($_).'='.escape($hash{$_}).'&'; } keys %hash; |
$result=~s/^_HASH_REF__//; |
| |
return $result; |
| |
} |
| |
|
| |
sub hashref2str { |
| |
my ($hashref)=@_; |
| |
my $result='_HASH_REF__'; |
| |
foreach (keys(%$hashref)) { |
| |
if (ref($_) eq 'ARRAY') { |
| |
$result.=&escape(&arrayref2str($_)).'='; |
| |
} elsif (ref($_) eq 'HASH') { |
| |
$result.=&escape(&hashref2str($_)).'='; |
| |
} elsif (ref($_)) { |
| |
&logthis("Got a ref of ".(ref($_))." skipping."); |
| |
} else { |
| |
$result.=&escape($_).'='; |
| |
} |
| |
|
| |
if (ref($$hashref{$_}) eq 'ARRAY') { |
| |
$result.=&escape(&arrayref2str($$hashref{$_})).'&'; |
| |
} elsif (ref($$hashref{$_}) eq 'HASH') { |
| |
$result.=&escape(&hashref2str($$hashref{$_})).'&'; |
| |
} elsif (ref($$hashref{$_})) { |
| |
&logthis("Got a ref of ".(ref($$hashref{$_}))." skipping."); |
| |
} else { |
| |
$result.=&escape($$hashref{$_}).'&'; |
| |
} |
| |
} |
| $result=~s/\&$//; |
$result=~s/\&$//; |
| return $result; |
return $result; |
| } |
} |
|
Line 964 sub hash2str {
|
Line 974 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); |
$name=&unescape($name); |
| } split(/\&/,$string); |
$value=&unescape($value); |
| return %returnhash; |
if ($value =~ /^_HASH_REF__/) { |
| |
$value =~ s/^_HASH_REF__//; |
| |
my %hash=&str2hash($value); |
| |
$value=\%hash; |
| |
} elsif ($value =~ /^_ARRAY_REF__/) { |
| |
$value =~ s/^_ARRAY_REF__//; |
| |
my @array=&str2array($value); |
| |
$value=\@array; |
| |
} |
| |
$returnhash{$name}=$value; |
| |
} |
| |
return (%returnhash); |
| |
} |
| |
|
| |
sub str2array { |
| |
my ($string) = @_; |
| |
my @returnarray; |
| |
foreach my $value (split(/\&/,$string)) { |
| |
$value=&unescape($value); |
| |
if ($value =~ /^_HASH_REF__/) { |
| |
$value =~ s/^_HASH_REF__//; |
| |
my %hash=&str2hash($value); |
| |
$value=\%hash; |
| |
} elsif ($value =~ /^_ARRAY_REF__/) { |
| |
$value =~ s/^_ARRAY_REF__//; |
| |
my @array=&str2array($value); |
| |
$value=\@array; |
| |
} |
| |
push(@returnarray,$value); |
| |
} |
| |
return (@returnarray); |
| } |
} |
| |
|
| # -------------------------------------------------------------------Temp Store |
# -------------------------------------------------------------------Temp Store |
|
Line 1103 sub store {
|
Line 1143 sub store {
|
| |
|
| if ($stuname) { $home=&homeserver($stuname,$domain); } |
if ($stuname) { $home=&homeserver($stuname,$domain); } |
| |
|
| |
$symb=&symbclean($symb); |
| if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
| |
|
| &devalidate($symb); |
&devalidate($symb); |
|
Line 1117 sub store {
|
Line 1158 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($$storehash{$_}).'&'; |
| } keys %$storehash; |
} |
| $namevalue=~s/\&$//; |
$namevalue=~s/\&$//; |
| &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); |
&courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); |
| return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
|
Line 1133 sub cstore {
|
Line 1174 sub cstore {
|
| |
|
| if ($stuname) { $home=&homeserver($stuname,$domain); } |
if ($stuname) { $home=&homeserver($stuname,$domain); } |
| |
|
| |
$symb=&symbclean($symb); |
| if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
| |
|
| &devalidate($symb); |
&devalidate($symb); |
|
Line 1148 sub cstore {
|
Line 1190 sub cstore {
|
| if (!$home) { $home=$ENV{'user.home'}; } |
if (!$home) { $home=$ENV{'user.home'}; } |
| |
|
| my $namevalue=''; |
my $namevalue=''; |
| map { |
foreach (keys %$storehash) { |
| $namevalue.=escape($_).'='.escape($$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 |
return critical |
|
Line 1168 sub restore {
|
Line 1210 sub restore {
|
| 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) { |
if (!$namespace) { |
| unless ($namespace=$ENV{'request.course.id'}) { |
unless ($namespace=$ENV{'request.course.id'}) { |
|
Line 1181 sub restore {
|
Line 1223 sub restore {
|
| 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 1240 sub rolesinit {
|
Line 1282 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 1296 sub rolesinit {
|
Line 1338 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 1314 sub rolesinit {
|
Line 1356 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 1331 sub rolesinit {
|
Line 1373 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 1343 sub get {
|
Line 1385 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 1355 sub get {
|
Line 1397 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 1369 sub del {
|
Line 1411 sub del {
|
| # -------------------------------------------------------------- dump interface |
# -------------------------------------------------------------- dump interface |
| |
|
| sub dump { |
sub dump { |
| my ($namespace,$udomain,$uname)=@_; |
my ($namespace,$udomain,$uname,$regexp)=@_; |
| 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("dump:$udomain:$uname:$namespace",$uhome); |
if ($regexp) { |
| |
$regexp=&escape($regexp); |
| |
} else { |
| |
$regexp='.'; |
| |
} |
| |
my $rep=reply("dump:$udomain:$uname:$namespace:$regexp",$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 1391 sub put {
|
Line 1438 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($$storehash{$_}).'&'; |
| } keys %$storehash; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
| } |
} |
|
Line 1406 sub cput {
|
Line 1453 sub cput {
|
| if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
| my $items=''; |
my $items=''; |
| map { |
foreach (keys %$storehash) { |
| $items.=escape($_).'='.escape($$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 1418 sub cput {
|
Line 1465 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 1429 sub eget {
|
Line 1476 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 1525 sub allowed {
|
Line 1572 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 1535 sub allowed {
|
Line 1582 sub allowed {
|
| $refuri=$ENV{$_}; |
$refuri=$ENV{$_}; |
| } |
} |
| } |
} |
| } keys %ENV; |
} |
| } |
} |
| if ($refuri) { |
if ($refuri) { |
| $refuri=&declutter($refuri); |
$refuri=&declutter($refuri); |
|
Line 1644 sub allowed {
|
Line 1691 sub allowed {
|
| 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'} |
if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.roles.denied'} |
| =~/\,$rolecode\,/) { |
=~/$rolecode/) { |
| &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, |
&log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, |
| 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. |
'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. |
| $ENV{'request.course.id'}); |
$ENV{'request.course.id'}); |
|
Line 1691 sub allowed {
|
Line 1738 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 1699 sub definerole {
|
Line 1746 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 1708 sub definerole {
|
Line 1755 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 1717 sub definerole {
|
Line 1764 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 1755 sub plaintext {
|
Line 1802 sub plaintext {
|
| return $prp{$short}; |
return $prp{$short}; |
| } |
} |
| |
|
| # ------------------------------------------------------------- Embedding Style |
|
| |
|
| 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 1807 sub assignrole {
|
Line 1840 sub assignrole {
|
| } |
} |
| |
|
| # -------------------------------------------------- Modify user authentication |
# -------------------------------------------------- Modify user authentication |
| |
# Overrides without validation |
| |
|
| sub modifyuserauth { |
sub modifyuserauth { |
| my ($udom,$uname,$umode,$upass)=@_; |
my ($udom,$uname,$umode,$upass)=@_; |
| my $uhome=&homeserver($uname,$udom); |
my $uhome=&homeserver($uname,$udom); |
| &logthis('Call to modify user authentication'.$udom.', '.$uname.', '. |
unless (&allowed('mau',$udom)) { return 'refused'; } |
| |
&logthis('Call to modify user authentication '.$udom.', '.$uname.', '. |
| $umode.' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
$umode.' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
| my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'. |
my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'. |
| &escape($upass),$uhome); |
&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') { |
unless ($reply eq 'ok') { |
| |
&logthis('Authentication mode error: '.$reply); |
| return 'error: '.$reply; |
return 'error: '.$reply; |
| } |
} |
| return 'ok'; |
return 'ok'; |
|
Line 1822 sub modifyuserauth {
|
Line 1866 sub modifyuserauth {
|
| |
|
| # --------------------------------------------------------------- Modify a user |
# --------------------------------------------------------------- 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)=@_; |
| |
$udom=~s/\W//g; |
| |
$uname=~s/\W//g; |
| &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'}); |
| |
my $uhome=&homeserver($uname,$udom,'true'); |
| # ----------------------------------------------------------------- Create User |
# ----------------------------------------------------------------- Create User |
| if (($uhome eq 'no_host') && ($umode) && ($upass)) { |
if (($uhome eq 'no_host') && ($umode) && ($upass)) { |
| my $unhome=''; |
my $unhome=''; |
| if ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $udom) { |
if (defined($desiredhome) && $hostdom{$desiredhome} eq $udom) { |
| |
$unhome = $desiredhome; |
| |
} elsif($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $udom) { |
| $unhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
$unhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
| } else { |
} else { # load balancing routine for determining $unhome |
| my $tryserver; |
my $tryserver; |
| my $loadm=10000000; |
my $loadm=10000000; |
| foreach $tryserver (keys %libserv) { |
foreach $tryserver (keys %libserv) { |
|
Line 1849 sub modifyuser {
|
Line 1901 sub modifyuser {
|
| } |
} |
| } |
} |
| 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: verify home'; |
| } |
} |
| } |
} # 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: mismatch '.$uidhash{$uname}.' versus '.$uid; |
| } |
} |
|
Line 1877 sub modifyuser {
|
Line 1931 sub modifyuser {
|
| my %names=&get('environment', |
my %names=&get('environment', |
| ['firstname','middlename','lastname','generation'], |
['firstname','middlename','lastname','generation'], |
| $udom,$uname); |
$udom,$uname); |
| |
if ($names{'firstname'} =~ m/^error:.*/) { %names=(); } |
| if ($first) { $names{'firstname'} = $first; } |
if ($first) { $names{'firstname'} = $first; } |
| if ($middle) { $names{'middlename'} = $middle; } |
if ($middle) { $names{'middlename'} = $middle; } |
| if ($last) { $names{'lastname'} = $last; } |
if ($last) { $names{'lastname'} = $last; } |
|
Line 1894 sub modifyuser {
|
Line 1949 sub modifyuser {
|
| |
|
| 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)=@_; |
| my $cid=''; |
my $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); |
| unless ($reply eq 'ok') { return $reply; } |
unless ($reply eq 'ok') { return $reply; } |
| my $uhome=&homeserver($uname,$udom); |
my $uhome=&homeserver($uname,$udom); |
| if (($uhome eq '') || ($uhome eq 'no_host')) { |
if (($uhome eq '') || ($uhome eq 'no_host')) { |
|
Line 1937 sub writecoursepref {
|
Line 1993 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 1960 sub createcourse {
|
Line 2016 sub createcourse {
|
| my $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). |
my $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). |
| unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; |
unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; |
| # ----------------------------------------------- Make sure that does not exist |
# ----------------------------------------------- Make sure that does not exist |
| my $uhome=&homeserver($uname,$udom); |
my $uhome=&homeserver($uname,$udom,'true'); |
| unless (($uhome eq '') || ($uhome eq 'no_host')) { |
unless (($uhome eq '') || ($uhome eq 'no_host')) { |
| $uname=substr($$.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'; |
| } |
} |
|
Line 1973 sub createcourse {
|
Line 2029 sub createcourse {
|
| my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::', |
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::', |
| $ENV{'user.home'}); |
$ENV{'user.home'}); |
| unless ($reply eq 'ok') { return 'error: '.$reply; } |
unless ($reply eq 'ok') { return 'error: '.$reply; } |
| $uhome=&homeserver($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'; |
| } |
} |
|
Line 2028 sub dirlist {
|
Line 2084 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 2049 sub dirlist {
|
Line 2105 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 2072 sub condval {
|
Line 2128 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 2101 sub condval {
|
Line 2157 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 $result; |
| } |
} |
| |
|
| |
# --------------------------------------------------- Course Resourcedata Query |
| |
|
| |
sub courseresdata { |
| |
my ($coursenum,$coursedomain,@which)=@_; |
| |
my $coursehom=&homeserver($coursenum,$coursedomain); |
| |
my $hashid=$coursenum.':'.$coursedomain; |
| |
unless (defined($courseresdatacache{$hashid.'.time'})) { |
| |
unless (time-$courseresdatacache{$hashid.'.time'}<300) { |
| |
my $coursehom=&homeserver($coursenum,$coursedomain); |
| |
if ($coursehom) { |
| |
my $dumpreply=&reply('dump:'.$coursedomain.':'.$coursenum. |
| |
':resourcedata:.',$coursehom); |
| |
unless ($dumpreply=~/^error\:/) { |
| |
$courseresdatacache{$hashid.'.time'}=time; |
| |
$courseresdatacache{$hashid}=$dumpreply; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
my @pairs=split(/\&/,$courseresdatacache{$hashid}); |
| |
my %returnhash=(); |
| |
foreach (@pairs) { |
| |
my ($key,$value)=split(/=/,$_); |
| |
$returnhash{unescape($key)}=unescape($value); |
| |
} |
| |
my $item; |
| |
foreach $item (@which) { |
| |
if ($returnhash{$item}) { return $returnhash{$item}; } |
| |
} |
| |
return ''; |
| |
} |
| |
|
| # --------------------------------------------------------- Value of a Variable |
# --------------------------------------------------------- Value of a Variable |
| |
|
| sub EXT { |
sub EXT { |
| my ($varname,$symbparm)=@_; |
my ($varname,$symbparm,$udom,$uname)=@_; |
| |
|
| unless ($varname) { return ''; } |
unless ($varname) { return ''; } |
| |
|
| |
#get real user name/domain, courseid and symb |
| |
my $courseid; |
| |
if (!($uname && $udom)) { |
| |
(my $cursymb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser(); |
| |
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 ($therest[0]) { |
|
Line 2128 sub EXT {
|
Line 2227 sub EXT {
|
| if ($realm eq 'user') { |
if ($realm eq 'user') { |
| # --------------------------------------------------------------- user.resource |
# --------------------------------------------------------------- user.resource |
| if ($space eq 'resource') { |
if ($space eq 'resource') { |
| my %restored=&restore(); |
my %restored=&restore(undef,undef,$udom,$uname); |
| return $restored{$qualifierrest}; |
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=&userenvironment($udom,$uname,$qualifierrest); |
| |
return $returnhash{$qualifierrest}; |
| |
} |
| # ----------------------------------------------------------------- user.course |
# ----------------------------------------------------------------- user.course |
| } elsif ($space eq 'course') { |
} elsif ($space eq 'course') { |
| |
# FIXME - not supporting calls for a specific user |
| return $ENV{join('.',('request.course',$qualifier))}; |
return $ENV{join('.',('request.course',$qualifier))}; |
| # ------------------------------------------------------------------- user.role |
# ------------------------------------------------------------------- user.role |
| } elsif ($space eq 'role') { |
} elsif ($space eq 'role') { |
| |
# FIXME - not supporting calls for a specific user |
| my ($role,$where)=split(/\./,$ENV{'request.role'}); |
my ($role,$where)=split(/\./,$ENV{'request.role'}); |
| if ($qualifier eq 'value') { |
if ($qualifier eq 'value') { |
| return $role; |
return $role; |
|
Line 2149 sub EXT {
|
Line 2257 sub EXT {
|
| } |
} |
| # ----------------------------------------------------------------- user.domain |
# ----------------------------------------------------------------- user.domain |
| } elsif ($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 $item=($rest)?$qualifier.'.'.$rest:$qualifier; |
|
Line 2169 sub EXT {
|
Line 2277 sub EXT {
|
| } |
} |
| } elsif ($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'}) { |
|
| |
|
| # print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest; |
if ($courseid eq $ENV{'request.course.id'}) { |
| |
|
| |
#print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest; |
| |
|
| # ----------------------------------------------------- Cascading lookup scheme |
# ----------------------------------------------------- Cascading lookup scheme |
| my $symbp; |
if (!$symbparm) { $symbparm=&symbread(); } |
| if ($symbparm) { |
my $symbp=$symbparm; |
| $symbp=$symbparm; |
my $mapp=(split(/\_\_\_/,$symbp))[0]; |
| } else { |
|
| $symbp=&symbread(); |
my $symbparm=$symbp.'.'.$spacequalifierrest; |
| } |
my $mapparm=$mapp.'___(all).'.$spacequalifierrest; |
| my $mapp=(split(/\_\_\_/,$symbp))[0]; |
|
| |
my $section; |
| my $symbparm=$symbp.'.'.$spacequalifierrest; |
if (($ENV{'user.name'} eq $uname) && |
| my $mapparm=$mapp.'___(all).'.$spacequalifierrest; |
($ENV{'user.domain'} eq $udom)) { |
| |
$section={'request.course.sec'}; |
| my $seclevel= |
} else { |
| $ENV{'request.course.id'}.'.['. |
$section=&usection($udom,$uname,$courseid); |
| $ENV{'request.course.sec'}.'].'.$spacequalifierrest; |
} |
| my $seclevelr= |
|
| $ENV{'request.course.id'}.'.['. |
|
| $ENV{'request.course.sec'}.'].'.$symbparm; |
|
| my $seclevelm= |
|
| $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 |
my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest; |
| my %resourcedata=get('resourcedata', |
my $seclevelr=$courseid.'.['.$section.'].'.$symbparm; |
| [$courselevelr,$courselevelm,$courselevel]); |
my $seclevelm=$courseid.'.['.$section.'].'.$mapparm; |
| if (($resourcedata{$courselevelr}!~/^error\:/) && |
|
| ($resourcedata{$courselevelr}!~/^con_lost/)) { |
my $courselevel=$courseid.'.'.$spacequalifierrest; |
| |
my $courselevelr=$courseid.'.'.$symbparm; |
| if ($resourcedata{$courselevelr}) { |
my $courselevelm=$courseid.'.'.$mapparm; |
| return $resourcedata{$courselevelr}; } |
|
| if ($resourcedata{$courselevelm}) { |
|
| return $resourcedata{$courselevelm}; } |
|
| if ($resourcedata{$courselevel}) { return $resourcedata{$courselevel}; } |
|
| |
|
| } else { |
# ----------------------------------------------------------- first, check user |
| if ($resourcedata{$courselevelr}!~/No such file/) { |
my %resourcedata=&get('resourcedata', |
| &logthis("<font color=blue>WARNING:". |
[$courselevelr,$courselevelm,$courselevel], |
| " Trying to get resource data for ".$ENV{'user.name'}." at " |
$udom,$uname); |
| .$ENV{'user.domain'}.": ".$resourcedata{$courselevelr}. |
if (($resourcedata{$courselevelr}!~/^error\:/) && |
| "</font>"); |
($resourcedata{$courselevelr}!~/^con_lost/)) { |
| } |
|
| } |
if ($resourcedata{$courselevelr}) { |
| |
return $resourcedata{$courselevelr}; } |
| |
if ($resourcedata{$courselevelm}) { |
| |
return $resourcedata{$courselevelm}; } |
| |
if ($resourcedata{$courselevel}) { |
| |
return $resourcedata{$courselevel}; } |
| |
} else { |
| |
if ($resourcedata{$courselevelr}!~/No such file/) { |
| |
&logthis("<font color=blue>WARNING:". |
| |
" Trying to get resource data for ". |
| |
$uname." at ".$udom.": ". |
| |
$resourcedata{$courselevelr}."</font>"); |
| |
} |
| |
} |
| |
|
| # -------------------------------------------------------- second, check course |
# -------------------------------------------------------- second, check course |
| |
|
| my $reply=&reply('get:'. |
my $coursereply=&courseresdata($ENV{'course.'.$courseid.'.num'}, |
| $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'. |
$ENV{'course.'.$courseid.'.domain'}, |
| $ENV{'course.'.$ENV{'request.course.id'}.'.num'}. |
($seclevelr,$seclevelm,$seclevel, |
| ':resourcedata:'. |
$courselevelr,$courselevelm, |
| &escape($seclevelr).'&'.&escape($seclevelm).'&'.&escape($seclevel).'&'. |
$courselevel)); |
| &escape($courselevelr).'&'.&escape($courselevelm).'&'.&escape($courselevel), |
if ($coursereply) { return $coursereply; } |
| $ENV{'course.'.$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 $thisparm; } |
| |
} |
| # --------------------------------------------- last, look in resource metadata |
# --------------------------------------------- last, look in resource metadata |
| |
|
| $spacequalifierrest=~s/\./\_/; |
$spacequalifierrest=~s/\./\_/; |
| my $metadata=&metadata($ENV{'request.filename'},$spacequalifierrest); |
my $metadata=&metadata($ENV{'request.filename'},$spacequalifierrest); |
| if ($metadata) { return $metadata; } |
if ($metadata) { return $metadata; } |
| $metadata=&metadata($ENV{'request.filename'}, |
$metadata=&metadata($ENV{'request.filename'}, |
| 'parameter_'.$spacequalifierrest); |
'parameter_'.$spacequalifierrest); |
| if ($metadata) { return $metadata; } |
if ($metadata) { return $metadata; } |
| |
|
| # ------------------------------------------------------------------ Cascade up |
# ------------------------------------------------------------------ Cascade up |
| |
unless ($space eq '0') { |
| unless ($space eq '0') { |
my ($part,$id)=split(/\_/,$space); |
| my ($part,$id)=split(/\_/,$space); |
if ($id) { |
| if ($id) { |
my $partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest, |
| my $partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest, |
$symbparm,$udom,$uname); |
| $symbparm); |
if ($partgeneral) { return $partgeneral; } |
| if ($partgeneral) { return $partgeneral; } |
} else { |
| } else { |
my $resourcegeneral=&EXT('resource.0.'.$qualifierrest, |
| my $resourcegeneral=&EXT('resource.0.'.$qualifierrest, |
$symbparm,$udom,$uname); |
| $symbparm); |
if ($resourcegeneral) { return $resourcegeneral; } |
| if ($resourcegeneral) { return $resourcegeneral; } |
} |
| } |
} |
| } |
|
| |
|
| # ---------------------------------------------------- Any other user namespace |
# ---------------------------------------------------- Any other user namespace |
| } elsif ($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 { |
| |
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') { |
|
Line 2323 sub metadata {
|
Line 2416 sub metadata {
|
| my %metathesekeys=(); |
my %metathesekeys=(); |
| unless ($filename=~/\.meta$/) { $filename.='.meta'; } |
unless ($filename=~/\.meta$/) { $filename.='.meta'; } |
| my $metastring=&getfile($perlvar{'lonDocRoot'}.'/res/'.$filename); |
my $metastring=&getfile($perlvar{'lonDocRoot'}.'/res/'.$filename); |
| my $parser=HTML::TokeParser->new(\$metastring); |
my $parser=HTML::LCParser->new(\$metastring); |
| my $token; |
my $token; |
| undef %metathesekeys; |
undef %metathesekeys; |
| while ($token=$parser->get_token) { |
while ($token=$parser->get_token) { |
|
Line 2349 sub metadata {
|
Line 2442 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 2366 sub metadata {
|
Line 2459 sub metadata {
|
| $metacache{$uri.':'.$unikey.'.'.$subp}=$value; |
$metacache{$uri.':'.$unikey.'.'.$subp}=$value; |
| } |
} |
| } |
} |
| } keys %packagetab; |
} |
| } else { |
} else { |
| # |
# |
| # This is not a package - some other kind of start tag |
# This is not a package - some other kind of start tag |
|
Line 2396 sub metadata {
|
Line 2489 sub metadata {
|
| if (defined($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 2408 sub metadata {
|
Line 2501 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.':'.$unikey}=&HTML::Entities::decode($parser->get_text('/'.$entry)) |
| ) { $metacache{$uri.':'.$unikey}= |
) { $metacache{$uri.':'.$unikey}= |
| $metacache{$uri.':'.$unikey.'.default'}; |
$metacache{$uri.':'.$unikey.'.default'}; |
| } |
} |
|
Line 2439 sub symblist {
|
Line 2532 sub symblist {
|
| if (($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{$_}; |
| } keys %newhash; |
} |
| if (untie(%hash)) { |
if (untie(%hash)) { |
| return 'ok'; |
return 'ok'; |
| } |
} |
|
Line 2450 sub symblist {
|
Line 2543 sub symblist {
|
| return 'error'; |
return 'error'; |
| } |
} |
| |
|
| |
# --------------------------------------------------------------- Verify a symb |
| |
|
| |
sub symbverify { |
| |
my ($symb,$thisfn)=@_; |
| |
$thisfn=&declutter($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,$url)=split(/\_\_\_/,$symb); |
| |
unless (&symbclean($url) eq &symbclean($thisfn)) { return 0; } |
| |
|
| |
$symb=&symbclean($symb); |
| |
|
| |
my %bighash; |
| |
my $okay=0; |
| |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
| |
&GDBM_READER,0640)) { |
| |
my $ids=$bighash{'ids_/res/'.$thisfn}; |
| |
unless ($ids) { |
| |
$ids=$bighash{'ids_/'.$thisfn}; |
| |
} |
| |
if ($ids) { |
| |
# ------------------------------------------------------------------- Has ID(s) |
| |
foreach (split(/\,/,$ids)) { |
| |
my ($mapid,$resid)=split(/\./,$_); |
| |
if ( |
| |
&symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) |
| |
eq $symb) { |
| |
$okay=1; |
| |
} |
| |
} |
| |
} |
| |
untie(%bighash); |
| |
} |
| |
return $okay; |
| |
} |
| |
|
| |
# --------------------------------------------------------------- Clean-up symb |
| |
|
| |
sub symbclean { |
| |
my $symb=shift; |
| |
|
| |
# remove version from map |
| |
$symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/; |
| |
|
| |
# remove version from URL |
| |
$symb=~s/\.(\d+)\.(\w+)$/\.$2/; |
| |
|
| |
return $symb; |
| |
} |
| |
|
| # ------------------------------------------------------ Return symb list entry |
# ------------------------------------------------------ Return symb list entry |
| |
|
| sub symbread { |
sub symbread { |
| my $thisfn=shift; |
my $thisfn=shift; |
| unless ($thisfn) { |
unless ($thisfn) { |
| if ($ENV{'request.symb'}) { return $ENV{'request.symb'}; } |
if ($ENV{'request.symb'}) { return &symbclean($ENV{'request.symb'}); } |
| $thisfn=$ENV{'request.filename'}; |
$thisfn=$ENV{'request.filename'}; |
| } |
} |
| $thisfn=declutter($thisfn); |
$thisfn=declutter($thisfn); |
|
Line 2496 sub symbread {
|
Line 2640 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(/\./,$_); |
|
Line 2506 sub symbread {
|
Line 2650 sub symbread {
|
| '___'.$resid; |
'___'.$resid; |
| } |
} |
| } |
} |
| } @possibilities; |
} |
| if ($realpossible!=1) { $syval=''; } |
if ($realpossible!=1) { $syval=''; } |
| } |
} |
| } |
} |
|
Line 2514 sub symbread {
|
Line 2658 sub symbread {
|
| } |
} |
| } |
} |
| if ($syval) { |
if ($syval) { |
| return $syval.'___'.$thisfn; |
return &symbclean($syval.'___'.$thisfn); |
| } |
} |
| } |
} |
| &appenv('request.ambiguous' => $thisfn); |
&appenv('request.ambiguous' => $thisfn); |
|
Line 2615 sub filelocation {
|
Line 2759 sub filelocation {
|
| |
|
| sub hreflocation { |
sub hreflocation { |
| my ($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//; |
| |
$finalpath=~s-/home/(\w+)/public_html/-/~$1/-; |
| return $finalpath; |
return $finalpath; |
| } else { |
} else { |
| return $file; |
return $file; |
|
Line 2653 sub unescape {
|
Line 2798 sub unescape {
|
| # ================================================================ Main Program |
# ================================================================ Main Program |
| |
|
| sub goodbye { |
sub goodbye { |
| |
&logthis("Starting Shut down"); |
| &flushcourselogs(); |
&flushcourselogs(); |
| &logthis("Shutting down"); |
&logthis("Shutting down"); |
| } |
} |
| |
|
| BEGIN { |
BEGIN { |
| # ------------------------------------------------------------ Read access.conf |
# ----------------------------------- Read loncapa.conf and loncapa_apache.conf |
| |
unless ($readit) { |
| { |
{ |
| my $config=Apache::File->new("/etc/httpd/conf/access.conf"); |
my $config=Apache::File->new("/etc/httpd/conf/loncapa.conf"); |
| |
|
| while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
| if ($configline =~ /PerlSetVar/) { |
if ($configline =~ /^[^\#]*PerlSetVar/) { |
| |
my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
| |
chomp($varvalue); |
| |
$perlvar{$varname}=$varvalue; |
| |
} |
| |
} |
| |
} |
| |
{ |
| |
my $config=Apache::File->new("/etc/httpd/conf/loncapa_apache.conf"); |
| |
|
| |
while (my $configline=<$config>) { |
| |
if ($configline =~ /^[^\#]*PerlSetVar/) { |
| my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
| chomp($varvalue); |
chomp($varvalue); |
| $perlvar{$varname}=$varvalue; |
$perlvar{$varname}=$varvalue; |
|
Line 2737 BEGIN {
|
Line 2895 BEGIN {
|
| } |
} |
| } |
} |
| |
|
| # ------------------------------------------------------------- Read file types |
|
| { |
|
| my $config=Apache::File->new("$perlvar{'lonTabDir'}/filetypes.tab"); |
|
| |
|
| while (my $configline=<$config>) { |
|
| next if ($configline =~ /^\#/); |
|
| chomp($configline); |
|
| my ($ending,$emb,@descr)=split(/\s+/,$configline); |
|
| if ($descr[0] ne '') { |
|
| $fe{$ending}=lc($emb); |
|
| $fd{$ending}=join(' ',@descr); |
|
| } |
|
| } |
|
| } |
|
| |
|
| %metacache=(); |
%metacache=(); |
| |
|
| $processmarker=$$.'_'.time.'_'.$perlvar{'lonHostID'}; |
$processmarker=$$.'_'.time.'_'.$perlvar{'lonHostID'}; |
|
Line 2759 $dumpcount=0;
|
Line 2902 $dumpcount=0;
|
| |
|
| &logtouch(); |
&logtouch(); |
| &logthis('<font color=yellow>INFO: Read configuration</font>'); |
&logthis('<font color=yellow>INFO: Read configuration</font>'); |
| |
$readit=1; |
| |
} |
| } |
} |
| |
|
| 1; |
1; |
| |
__END__ |
| |
|
| |
=head1 NAME |
| |
|
| |
Apache::lonnet - TCP networking package |
| |
|
| |
=head1 SYNOPSIS |
| |
|
| |
Invoked by other LON-CAPA modules. |
| |
|
| |
&Apache::lonnet::SUBROUTINENAME(ARGUMENTS); |
| |
|
| |
=head1 INTRODUCTION |
| |
|
| |
This module provides subroutines which interact with the |
| |
lonc/lond (TCP) network layer of LON-CAPA. |
| |
|
| |
This is part of the LearningOnline Network with CAPA project |
| |
described at http://www.lon-capa.org. |
| |
|
| |
=head1 HANDLER SUBROUTINE |
| |
|
| |
There is no handler routine for this module. |
| |
|
| |
=head1 OTHER SUBROUTINES |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
logtouch() : make sure the logfile, lonnet.log, exists |
| |
|
| |
=item * |
| |
|
| |
logthis() : append message to lonnet.log |
| |
|
| |
=item * |
| |
|
| |
logperm() : append a permanent message to lonnet.perm.log |
| |
|
| |
=item * |
| |
|
| |
subreply() : non-critical communication, called by &reply |
| |
|
| |
=item * |
| |
|
| |
reply() : makes two attempts to pass message; logs refusals and rejections |
| |
|
| |
=item * |
| |
|
| |
reconlonc() : tries to reconnect lonc client processes. |
| |
|
| |
=item * |
| |
|
| |
critical() : passes a critical message to another server; if cannot get |
| |
through then place message in connection buffer |
| |
|
| |
=item * |
| |
|
| |
appenv(%hash) : read in current user environment, append new environment |
| |
values to make new user environment |
| |
|
| |
=item * |
| |
|
| |
delenv($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,$tcrsid) : check out an item |
| |
|
| |
=item * |
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|
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sub checkin($token) : check in an item |
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|
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=item * |
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|
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sub expirespread($uname,$udom,$stype,$usymb) : set expire date for spreadsheet |
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|
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=item * |
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|
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devalidate($symb) : devalidate spreadsheets |
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|
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=item * |
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|
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hash2str(%hash) : convert a hash into a string complete with escaping and '=' |
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and '&' separators, supports elements that are arrayrefs and hashrefs |
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|
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=item * |
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|
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hashref2str($hashref) : convert a hashref into a string complete with |
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escaping and '=' and '&' separators, supports elements that are |
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arrayrefs and hashrefs |
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|
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=item * |
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|
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arrayref2str($arrayref) : convert an arrayref into a string complete |
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with escaping and '&' separators, supports elements that are arrayrefs |
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and hashrefs |
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|
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=item * |
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|
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str2hash($string) : convert string to hash using unescaping and |
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splitting on '=' and '&', supports elements that are arrayrefs and |
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hashrefs |
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|
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=item * |
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|
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str2array($string) : convert string to hash using unescaping and |
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splitting on '&', supports elements that are arrayrefs and hashrefs |
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|
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=item * |
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|
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tmpreset($symb,$namespace,$domain,$stuname) : temporary storage |
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|
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=item * |
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|
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tmprestore($symb,$namespace,$domain,$stuname) : temporary restore |
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|
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=item * |
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|
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store($storehash,$symb,$namespace,$domain,$stuname) : stores hash permanently |
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for this url; hashref needs to be given and should be a \%hashname; the |
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remaining args aren't required and if they aren't passed or are '' they will |
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be derived from the ENV |
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|
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=item * |
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|
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cstore($storehash,$symb,$namespace,$domain,$stuname) : same as store but |
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uses critical subroutine |
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|
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=item * |
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|
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restore($symb,$namespace,$domain,$stuname) : returns hash for this symb; |
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all args are optional |
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|
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=item * |
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|
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coursedescription($courseid) : course description |
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|
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=item * |
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|
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rolesinit($domain,$username,$authhost) : get user privileges |
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|
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=item * |
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|
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get($namespace,$storearr,$udomain,$uname) : returns hash with keys from array |
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reference filled in from namesp ($udomain and $uname are optional) |
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|
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=item * |
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|
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del($namespace,$storearr,$udomain,$uname) : deletes keys out of array from |
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namesp ($udomain and $uname are optional) |
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|
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=item * |
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|
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dump($namespace,$udomain,$uname,$regexp) : |
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dumps the complete (or key matching regexp) namespace into a hash |
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($udomain, $uname and $regexp are optional) |
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|
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=item * |
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|
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put($namespace,$storehash,$udomain,$uname) : stores hash in namesp |
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($udomain and $uname are optional) |
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|
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=item * |
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|
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cput($namespace,$storehash,$udomain,$uname) : critical put |
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($udomain and $uname are optional) |
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|
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=item * |
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|
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eget($namespace,$storearr,$udomain,$uname) : returns hash with keys from array |
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reference filled in from namesp (encrypts the return communication) |
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($udomain and $uname are optional) |
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|
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=item * |
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|
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allowed($priv,$uri) : check for a user privilege; returns codes for allowed |
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actions |
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F: full access |
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U,I,K: authentication modes (cxx only) |
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'': forbidden |
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1: user needs to choose course |
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2: browse allowed |
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|
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=item * |
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|
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definerole($rolename,$sysrole,$domrole,$courole) : define role; define a custom |
| |
role rolename set privileges in format of lonTabs/roles.tab for system, domain, |
| |
and course level |
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|
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=item * |
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|
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metadata_query($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 |
| |
|
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=item * |
| |
|
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plaintext($short) : return value in %prp hash (rolesplain.tab); plain text |
| |
explanation of a user role term |
| |
|
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=item * |
| |
|
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assignrole($udom,$uname,$url,$role,$end,$start) : assign role; give a role to a |
| |
user for the level given by URL. Optional start and end dates (leave empty |
| |
string or zero for "no date") |
| |
|
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=item * |
| |
|
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modifyuserauth($udom,$uname,$umode,$upass) : modify user authentication |
| |
|
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=item * |
| |
|
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modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene) : |
| |
modify user |
| |
|
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=item * |
| |
|
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modifystudent($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, |
| |
$end,$start) : modify student |
| |
|
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=item * |
| |
|
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writecoursepref($courseid,%prefs) : write preferences for a course |
| |
|
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=item * |
| |
|
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createcourse($udom,$description,$url) : make/modify course |
| |
|
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=item * |
| |
|
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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 * |
| |
|
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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 * |
| |
|
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condval($condidx) : value of condition index based on state |
| |
|
| |
=item * |
| |
|
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EXT($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, $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) |
| |
|
| |
=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 |
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