# The LearningOnline Network with CAPA # User Roles Screen # (Directory Indexer # (Login Screen # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer) # 11/23 Gerd Kortemeyer) # 1/14,03/06,06/01,07/22,07/24,07/25, # 09/04,09/06,09/28,09/29,09/30,10/2,10/5,10/26 Gerd Kortemeyer # package Apache::lonroles; use strict; use Apache::lonnet(); use Apache::lonuserstate(); use Apache::Constants qw(:common); use Apache::File(); sub handler { my $r = shift; my $now=time; my $then=$ENV{'user.login.time'}; my $envkey; # ================================================================== Roles Init if ($ENV{'form.selectrole'}) { &Apache::lonnet::appenv("request.course.id" => '', "request.course.fn" => '', "request.course.uri" => '', "request.course.sec" => '', "request.role" => 'cm'); foreach $envkey (keys %ENV) { if ($envkey=~/^user\.role\./) { my ($dum1,$dum2,$role,@pwhere)=split(/\./,$envkey); my $where=join('.',@pwhere); my $trolecode=$role.'.'.$where; if ($ENV{'form.'.$trolecode}) { my ($tstart,$tend)=split(/\./,$ENV{$envkey}); my $tstatus='is'; if ($tstart) { if ($tstart>$then) { $tstatus='future'; } } if ($tend) { if ($tend<$then) { $tstatus='expired'; } if ($tend>$now) { $tstatus='will_not'; } } if ($tstatus eq 'is') { $where=~s/^\///; my ($cdom,$cnum,$csec)=split(/\//,$where); &Apache::lonnet::appenv('request.role' => $trolecode, 'request.course.sec' => $csec); if ($cnum) { &Apache::lonuserstate::readmap($cdom.'/'.$cnum); if ($ENV{'form.orgurl'}) { $r->internal_redirect($ENV{'form.orgurl'}); return OK; } } } } } } } # =============================================================== No Roles Init $r->content_type('text/html'); $r->send_http_header; return OK if $r->header_only; $r->print(< LON-CAPA User Roles ENDHEADER # ------------------------------------------ Get Error Message from Environment my ($fn,$priv,$nochoose,$error,$msg)=split(/:/,$ENV{'user.error.msg'}); if ($ENV{'user.error.msg'}) { $r->log_reason( "$msg for $ENV{'user.name'} domain $ENV{'user.domain'} access $priv",$fn); } # ---------------------------------------------------------------- Who is this? my $advanced=0; foreach $envkey (keys %ENV) { if ($envkey=~/^user\.role\./) { my ($dum1,$dum2,$role,@pwhere)=split(/\./,$envkey); if ($role ne 'st') { $advanced=1; } } } # ---------------------------------------------- Get cached course descriptions my %cdes=Apache::lonnet::dump('nohist_coursedescriptions'); # -------------------------------------------------------- Generate Page Output # --------------------------------------------------------------- Error Header? if ($error) { $r->print("

LON-CAPA Access Control

"); $r->print("
Access  : ".
                  Apache::lonnet::plaintext($priv)."\n");
        $r->print("Resource: $fn\n");
        $r->print("Action  : $msg\n
"); } else { $r->print("

LON-CAPA User Roles

"); } # -------------------------------------------------------- Choice or no choice? if ($nochoose) { if ($advanced) { $r->print("

Assigned User Roles

\n"); } else { $r->print("

Sorry ...

\nThis resource might be part of"); if ($ENV{'request.course.id'}) { $r->print(' another'); } else { $r->print(' a certain'); } $r->print(' course.'); return OK; } } else { if ($advanced) { $r->print("

Select a User Role

\n"); } else { $r->print("

Enter a Course

\n"); } $r->print('
'); $r->print(''); $r->print(''); } # ----------------------------------------------------------------------- Table $r->print(''); unless ($nochoose) { $r->print(''); } if ($advanced) { $r->print(''. ''."\n"); } else { $r->print(''."\n"); } foreach $envkey (sort keys %ENV) { if ($envkey=~/^user\.role\./) { my ($dum1,$dum2,$role,@pwhere)=split(/\./,$envkey); my $where=join('.',@pwhere); my $trolecode=$role.'.'.$where; my ($tstart,$tend)=split(/\./,$ENV{$envkey}); my $tremark=''; my $tstatus='is'; my $tpstart=' '; my $tpend=' '; if ($tstart) { if ($tstart>$then) { $tstatus='future'; if ($tstart<$now) { $tstatus='will'; } } $tpstart=localtime($tstart); } if ($tend) { if ($tend<$then) { $tstatus='expired'; } if ($tend>$now) { $tstatus='will_not'; } $tpend=localtime($tend); } if ($ENV{'request.role'} eq $trolecode) { $tstatus='selected'; } my $tbg; if ($tstatus eq 'is') { $tbg='#77FF77'; } elsif ($tstatus eq 'future') { $tbg='#FFFF77'; } elsif ($tstatus eq 'will') { $tbg='#FFAA77'; $tremark.='Active at next login. '; } elsif ($tstatus eq 'expired') { $tbg='#FF7777'; } elsif ($tstatus eq 'will_not') { $tbg='#AAFF77'; $tremark.='Expired after logout. '; } elsif ($tstatus eq 'selected') { $tbg='#33FF33'; $tremark.='Currently selected. '; } my $trole; if ($role =~ /^cr\//) { my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role); $tremark.='
Defined by '.$rauthor.' at '.$rdomain.'.'; $trole=$rrole; } else { $trole=Apache::lonnet::plaintext($role); } my $ttype; my $twhere; my ($tdom,$trest,$tsection)= split(/\//,Apache::lonnet::declutter($where)); if ($trest) { $ttype='Course'; if ($tsection) { $ttype.='
Section/Group: '.$tsection; } my $tcourseid=$tdom.'/'.$trest; if ($cdes{$tcourseid}) { $twhere=$cdes{$tcourseid}; } else { my %newhash=Apache::lonnet::coursedescription($tcourseid); if (%newhash) { $twhere=$newhash{'description'}; } else { $twhere='Currently not available'; } $cdes{$tcourseid}=$twhere; } } elsif ($tdom) { $ttype='Domain'; $twhere=$tdom; } else { $ttype='System'; $twhere='system wide'; } $r->print(''); unless ($nochoose) { if ($tstatus eq 'is') { $r->print(''); } else { $r->print(''); } } $r->print(''."\n"); } } my $tremark=''; if ($ENV{'request.role'} eq 'cm') { $r->print(''); $tremark='Currently selected.'; } else { $r->print(''); } unless ($nochoose) { if ($ENV{'request.role'} ne 'cm') { $r->print(''); } else { $r->print(''); } } $r->print(''."\n"); $r->print('
 User RoleExtentStartEndRemark
Course
 '.$trole.''. $ttype.''.$twhere.''.$tpstart. ''.$tpend. ''.$tremark.' 
 No role specified'. ''.$tremark.' 
'); unless ($nochoose) { $r->print("
\n"); } # ------------------------------------------------------------ Priviledges Info if ($advanced) { $r->print('

Priviledges

'); foreach $envkey (sort keys %ENV) { if ($envkey=~/^user\.priv\./) { my ($dum1,$dum2,@pwhere)=split(/\./,$envkey); my $where=join('.',@pwhere); my $ttype; my $twhere; my ($tdom,$trest)= split(/\//,Apache::lonnet::declutter($where)); if ($trest) { $ttype='Course'; $twhere=$cdes{$tdom.'/'.$trest}; } elsif ($tdom) { $ttype='Domain'; $twhere=$tdom; } else { $ttype='System'; $twhere='/'; } $r->print("\n

".$ttype.': '.$twhere.'

'); } } } # -------------------------------------------------------------- Debug - remove $->print("

Debugging

\n"); foreach $envkey (sort keys %ENV) { $r->print("$envkey ---- $ENV{$envkey}
"); } # ------------------------------------------------------------------- End Debug $r->print("\n"); return OK; } 1; __END__ 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.