Annotation of loncom/interface/lonerrorhandler.pm, revision 1.19

1.1       www         1: # The LearningOnline Network
                      2: # Internal Server Error Handler
                      3: #
1.19    ! jms         4: # $Id: lonerrorhandler.pm,v 1.18 2008/11/17 14:11:24 schafran Exp $
1.3       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.4       www        28: 
1.19    ! jms        29: =pod
        !            30: 
        !            31: =head1 NAME
        !            32: 
        !            33: Apache::lonerrorhandler.pm
        !            34: 
        !            35: =head1 SYNOPSIS
        !            36: 
        !            37: Handles errors.
        !            38: 
        !            39: This is part of the LearningOnline Network with CAPA project
        !            40: described at http://www.lon-capa.org.
        !            41: 
        !            42: =head1 OVERVIEW
        !            43: 
        !            44: None
        !            45: 
        !            46: =cut
        !            47: 
1.1       www        48: package Apache::lonerrorhandler;
                     49: 
                     50: use strict;
                     51: use Apache::Constants qw(:common);
1.11      albertel   52: use Apache::loncommon();
1.7       albertel   53: use Apache::lonnet;
1.11      albertel   54: use Apache::lonmsg();
                     55: use Apache::lonacc();
1.13      raeburn    56: use Apache::lonlocal;
1.1       www        57: 
                     58: sub handler {
                     59:     my $r = shift;
1.6       albertel   60:     &Apache::loncommon::content_type($r,'text/html');
1.1       www        61:     $r->send_http_header;
                     62:     return OK if $r->header_only;
                     63: 
1.11      albertel   64:     &Apache::lonacc::get_posted_cgi($r);
1.17      raeburn    65:     if (!$Apache::lonlocal::lh) {
1.16      raeburn    66:         &Apache::lonlocal::get_language_handle($r);
                     67:     }
1.9       albertel   68:     my $title = $env{'form.sendinfo'} ? 'Sending Error Report'
                     69:                                       : 'Could Not Process Request';
                     70:     $r->print(&Apache::loncommon::start_page($title));
1.8       www        71: 
                     72:     if ($env{'form.sendinfo'}) {
                     73: 	my $repro='no';
                     74: # ------------------------------------------------------------------ Mail stuff
                     75: 	if ($env{'form.reproducible'}) {
                     76: 	    $repro='yes';
                     77: 	}
1.13      raeburn    78:         my %lt = &Apache::lonlocal::texthash (
                     79:                      msg => 'LON-CAPA Error Message',
                     80:                      rep => 'Reproducible',
                     81:                      ver => 'Version',
                     82:                      syl => 'Syllabus',
                     83:                      pri => 'Prior Action',
                     84:                      gue => 'Guesses',
                     85:                      env => 'Environment',
                     86:                  );
1.8       www        87: 	my $message=(<<ENDMESSAGE);
1.13      raeburn    88: $lt{'msg'}
                     89: $lt{'rep'}: $repro
                     90: $lt{'ver'}: $env{'form.version'}
                     91: $lt{'syl'}:
1.8       www        92: $env{'form.syllabus'}
                     93: 
1.13      raeburn    94: $lt{'pri'}:
1.8       www        95: $env{'form.prioraction'}
                     96: 
1.13      raeburn    97: $lt{'gue'}:
1.8       www        98: $env{'form.guesses'}
                     99: 
1.13      raeburn   100: $lt{'env'}:
1.8       www       101: $env{'form.environment'}
                    102: ENDMESSAGE
1.13      raeburn   103:         my $sysmail = $r->dir_config('lonSysEMail');
                    104:         my $defdom = $r->dir_config('lonDefDomain');
1.14      raeburn   105:         my $origmail = $r->dir_config('lonAdmEMail');
                    106:         my $recipients = &Apache::loncommon::build_recipient_list($sysmail,
                    107:                                              'errormail',$defdom,$origmail);
1.13      raeburn   108:         if ($recipients ne '') {
                    109:             &Apache::lonmsg::sendemail($recipients,'ERROR REPORT',$message);
                    110: 	    $r->print('<h2>'.&mt('Report submitted').'</h2>'.&mt('Thank you!'));
                    111:         } else {
                    112:             $r->print('<h2>'.&mt('Warning: Report not submitted').'</h2>'.
1.15      bisitz    113:                       '<span class="LC_error">'
                    114:                      .&mt('The administrators of the domain [_1] have not set'
                    115:                          .' any e-mail addresses for receipt of your error report.'
                    116:                          ,'<tt>'.$defdom.'</tt>')
                    117:                      .'</span>');
1.13      raeburn   118:         }
1.8       www       119:     } else {
                    120: # ------------------------------------------------------------- Get environment
                    121: 	my $envkey;
                    122: 	my $env='';
                    123: 	my $syllabus='';
                    124: 
                    125: 	foreach $envkey (sort(keys(%env))) {
                    126: 	    $env.="$envkey: $env{$envkey}\n";
                    127: 	}
                    128: 	foreach $envkey (sort(keys(%ENV))) {
                    129: 	    $env.="$envkey: $ENV{$envkey}\n";
                    130: 	    if ($envkey=~/REDIRECT\_(REQUEST_URI|SCRIPT|ERROR)/) {
                    131: 		$syllabus.="\n$1:\n$ENV{$envkey}";
                    132: 	    }
                    133: 	}
                    134: 
                    135: 	$env=~s/\"/\'\'/g;
                    136: 
                    137: 	my $version=$r->dir_config('lonVersion');
                    138: 
                    139: # ----------------------------------------------------------- Print error form
1.15      bisitz    140: 	$r->print('<h2 class="LC_error">'
                    141: .&mt('Somewhere something went wrong')
                    142: .'</h2>'
                    143: .'<p>'.&mt('Please help us to find out what.').'</p>'
                    144: .'<p>'.&mt('Please take a moment to fill out the form below.').' '
                    145: .&mt('Your information, together with internal debugging information, '
                    146:     .'will be emailed to the system and server administrators.')
                    147: .'</p>
1.8       www       148: <form action="/adm/errorhandler" method="post">
1.13      raeburn   149: <h3>'.&mt('Please describe what you did just before this screen came up').'</h3>
1.8       www       150: <textarea name="prioraction" cols="50" rows="5">
1.2       www       151: </textarea>
1.13      raeburn   152: <h3>'.&mt('Is this problem reproducible?').'</h3>
1.8       www       153: <label>
1.13      raeburn   154: <input type="checkbox" name="reproducible" value="yes" /> '.&mt('Yes!').'
1.8       www       155: </label>
1.13      raeburn   156: <h3>'.&mt('Do you have any guesses why this might have happened?').'</h3>
1.8       www       157: <textarea name="guesses" cols="50" rows="5">
1.2       www       158: </textarea>
1.13      raeburn   159: <input type="hidden" name="version" value="'.$version.'" />
                    160: <input type="hidden" name="environment" value="'.$env.'" />
                    161: <input type="hidden" name="syllabus" value="'.$syllabus.'" />
1.8       www       162: <input type="hidden" name="sendinfo" value="1" />
                    163: <p>
1.18      schafran  164: <input type="submit" title="Send Information" value="'.&mt('Send').'" />
1.8       www       165: </p>
1.2       www       166: </form>
1.13      raeburn   167: <h1>'.&mt('Thank you for your help!').'</h1>
1.15      bisitz    168: <div><font size="-1">
1.13      raeburn   169: '.&mt('Internal info:').
1.15      bisitz    170: '<pre>'.
1.13      raeburn   171: $syllabus.'
1.8       www       172: </pre>
1.15      bisitz    173: </font></div>
1.13      raeburn   174: ');
1.2       www       175: # -------------------------- Better terminate this in case something was sticky
1.9       albertel  176: 
1.8       www       177:         $r->child_terminate();
                    178:     }
1.10      albertel  179:     $r->print(&Apache::loncommon::end_page());
1.1       www       180:     return OK;
1.13      raeburn   181: }
1.1       www       182: 
                    183: 1;
                    184: __END__

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