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Convenience links to about-me page, syllabus, and email.

    1: # The LearningOnline Network with CAPA
    2: # Routines for messaging
    3: #
    4: # $Id: lonmsg.pm,v 1.37 2002/08/28 14:11:27 www Exp $
    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: #
   28: #
   29: # (Routines to control the menu
   30: #
   31: # (TeX Conversion Module
   32: #
   33: # 05/29/00,05/30 Gerd Kortemeyer)
   34: #
   35: # 10/05 Gerd Kortemeyer)
   36: #
   37: # 10/19,10/20,10/30,
   38: # 02/06/01 Gerd Kortemeyer
   39: # 07/27 Guy Albertelli
   40: # 07/27,07/28,07/30,08/03,08/06,08/08,08/09,08/10,8/13,8/15,
   41: # 10/1,11/5 Gerd Kortemeyer
   42: # YEAR=2002
   43: # 1/1,3/18 Gerd Kortemeyer
   44: #
   45: package Apache::lonmsg;
   46: 
   47: use strict;
   48: use Apache::lonnet();
   49: use vars qw($msgcount);
   50: use HTML::TokeParser;
   51: use Apache::Constants qw(:common);
   52: use Apache::loncommon;
   53: use Apache::lontexconvert;
   54: 
   55: # ===================================================================== Package
   56: 
   57: sub packagemsg {
   58:     my ($subject,$message,$citation)=@_;
   59:     $message=~s/\</\&lt\;/g;
   60:     $message=~s/\>/\&gt\;/g;
   61:     $citation=~s/\</\&lt\;/g;
   62:     $citation=~s/\>/\&gt\;/g;
   63:     $subject=~s/\</\&lt\;/g;
   64:     $subject=~s/\>/\&gt\;/g;
   65:     my $now=time;
   66:     $msgcount++;
   67:     my $partsubj=$subject;
   68:     $partsubj=&Apache::lonnet::escape($partsubj);
   69:     my $msgid=&Apache::lonnet::escape(
   70:            $now.':'.$partsubj.':'.$ENV{'user.name'}.':'.
   71:            $ENV{'user.domain'}.':'.$msgcount.':'.$$);
   72:     return $msgid,
   73:            '<sendername>'.$ENV{'user.name'}.'</sendername>'.
   74:            '<senderdomain>'.$ENV{'user.domain'}.'</senderdomain>'.
   75:            '<subject>'.$subject.'</subject>'.
   76: 	   '<time>'.localtime($now).'</time>'.
   77: 	   '<servername>'.$ENV{'SERVER_NAME'}.'</servername>'.
   78:            '<host>'.$ENV{'HTTP_HOST'}.'</host>'.
   79: 	   '<client>'.$ENV{'REMOTE_ADDR'}.'</client>'.
   80: 	   '<browsertype>'.$ENV{'browser.type'}.'</browsertype>'.
   81: 	   '<browseros>'.$ENV{'browser.os'}.'</browseros>'.
   82: 	   '<browserversion>'.$ENV{'browser.version'}.'</browserversion>'.
   83:            '<browsermathml>'.$ENV{'browser.mathml'}.'</browsermathml>'.
   84: 	   '<browserraw>'.$ENV{'HTTP_USER_AGENT'}.'</browserraw>'.
   85: 	   '<courseid>'.$ENV{'request.course.id'}.'</courseid>'.
   86: 	   '<role>'.$ENV{'request.role'}.'</role>'.
   87: 	   '<resource>'.$ENV{'request.filename'}.'</resource>'.
   88:            '<msgid>'.$msgid.'</msgid>'.
   89: 	   '<message>'.$message.'</message>'.
   90: 	   '<citation>'.$citation.'</citation>';
   91: }
   92: 
   93: # ================================================== Unpack message into a hash
   94: 
   95: sub unpackagemsg {
   96:     my $message=shift;
   97:     my %content=();
   98:     my $parser=HTML::TokeParser->new(\$message);
   99:     my $token;
  100:     while ($token=$parser->get_token) {
  101:        if ($token->[0] eq 'S') {
  102: 	   my $entry=$token->[1];
  103:            my $value=$parser->get_text('/'.$entry);
  104:            $content{$entry}=$value;
  105:        }
  106:     }
  107:     return %content;
  108: }
  109: 
  110: # ======================================================= Get info out of msgid
  111: 
  112: sub unpackmsgid {
  113:     my $msgid=&Apache::lonnet::unescape(shift);
  114:     my ($sendtime,$shortsubj,$fromname,$fromdomain)=split(/\:/,
  115:                           &Apache::lonnet::unescape($msgid));
  116:     my %status=&Apache::lonnet::get('email_status',[$msgid]);
  117:     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
  118:     unless ($status{$msgid}) { $status{$msgid}='new'; }
  119:     return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid});
  120: } 
  121: 
  122: # =============================== Automated message to the author of a resource
  123: 
  124: sub author_res_msg {
  125:     my ($filename,$message)=@_;
  126:     unless ($message) { return 'empty'; }
  127:     $filename=&Apache::lonnet::declutter($filename);
  128:     my ($domain,$author,@dummy)=split(/\//,$filename);
  129:     my $homeserver=&Apache::lonnet::homeserver($author,$domain);
  130:     if ($homeserver ne 'no_host') {
  131:        my $id=unpack("%32C*",$message);
  132:        my $msgid;
  133:        ($msgid,$message)=&packagemsg($filename,$message);
  134:        return &Apache::lonnet::reply('put:'.$domain.':'.$author.
  135:          ':nohist_res_msgs:'.
  136:           &Apache::lonnet::escape($filename.'_'.$id).'='.
  137:           &Apache::lonnet::escape($message),$homeserver);
  138:     }
  139:     return 'no_host';
  140: }
  141: 
  142: # ================================================== Critical message to a user
  143: 
  144: sub user_crit_msg {
  145:     my ($user,$domain,$subject,$message,$sendback)=@_;
  146: # Check if allowed missing
  147:     my $status='';
  148:     my $msgid='undefined';
  149:     unless (($message)&&($user)&&($domain)) { $status='empty'; };
  150:     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
  151:     if ($homeserver ne 'no_host') {
  152:        ($msgid,$message)=&packagemsg($subject,$message);
  153:        if ($sendback) { $message.='<sendback>true</sendback>'; }
  154:        $status=&Apache::lonnet::critical(
  155:            'put:'.$domain.':'.$user.':critical:'.
  156:            &Apache::lonnet::escape($msgid).'='.
  157:            &Apache::lonnet::escape($message),$homeserver);
  158:     } else {
  159:        $status='no_host';
  160:     }
  161:     &Apache::lonnet::logthis(
  162:       'Sending critical email '.$msgid.
  163:       ', log status: '.
  164:       &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  165:                          $ENV{'user.home'},
  166:       'Sending critical '.$msgid.' to '.$user.' at '.$domain.' with status: '
  167:       .$status));
  168:     return $status;
  169: }
  170: 
  171: # =================================================== Critical message received
  172: 
  173: sub user_crit_received {
  174:     my $msgid=shift;
  175:     my %message=&Apache::lonnet::get('critical',[$msgid]);
  176:     my %contents=&unpackagemsg($message{$msgid});
  177:     my $status='rec: '.($contents{'sendback'}?
  178:      &user_normal_msg($contents{'sendername'},$contents{'senderdomain'},
  179:                      'Receipt: '.$ENV{'user.name'}.' at '.$ENV{'user.domain'},
  180:                      'User '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  181:                      ' acknowledged receipt of message "'.
  182:                      $contents{'subject'}.'" dated '.$contents{'time'}.".\n\n"
  183:                      .'Message ID: '.$contents{'msgid'}):'no msg req');
  184:     $status.=' trans: '.
  185:      &Apache::lonnet::put(
  186:      'nohist_email',{$contents{'msgid'} => $message{$msgid}});
  187:     $status.=' del: '.
  188:      &Apache::lonnet::del('critical',[$contents{'msgid'}]);
  189:     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  190:                          $ENV{'user.home'},'Received critical message '.
  191:                          $contents{'msgid'}.
  192:                          ', '.$status);
  193:     return $status;
  194: }
  195: 
  196: # ======================================================== Normal communication
  197: 
  198: sub user_normal_msg {
  199:     my ($user,$domain,$subject,$message,$citation)=@_;
  200: # Check if allowed missing
  201:     my $status='';
  202:     my $msgid='undefined';
  203:     unless (($message)&&($user)&&($domain)) { $status='empty'; };
  204:     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
  205:     if ($homeserver ne 'no_host') {
  206:        ($msgid,$message)=&packagemsg($subject,$message,$citation);
  207:        $status=&Apache::lonnet::critical(
  208:            'put:'.$domain.':'.$user.':nohist_email:'.
  209:            &Apache::lonnet::escape($msgid).'='.
  210:            &Apache::lonnet::escape($message),$homeserver);
  211:     } else {
  212:        $status='no_host';
  213:     }
  214:     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  215:                          $ENV{'user.home'},
  216:       'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);
  217:     return $status;
  218: }
  219: 
  220: # =============================================================== Status Change
  221: 
  222: sub statuschange {
  223:     my ($msgid,$newstatus)=@_;
  224:     my %status=&Apache::lonnet::get('email_status',[$msgid]);
  225:     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
  226:     unless ($status{$msgid}) { $status{$msgid}='new'; }
  227:     unless (($status{$msgid} eq 'replied') || 
  228:             ($status{$msgid} eq 'forwarded')) {
  229: 	&Apache::lonnet::put('email_status',{$msgid => $newstatus});
  230:     }
  231:     if (($newstatus eq 'deleted') || ($newstatus eq 'new')) {
  232: 	&Apache::lonnet::put('email_status',{$msgid => $newstatus});
  233:     }
  234: }
  235: 
  236: # ======================================================= Display a course list
  237: 
  238: sub discourse {
  239:     my $r=shift;
  240:     my %courselist=&Apache::lonnet::dump(
  241:                    'classlist',
  242: 		   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
  243: 		   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
  244:     my $now=time;
  245:     $r->print(<<ENDDISHEADER);
  246: <input type=hidden name=sendmode value=group>
  247: <script>
  248:     function checkall() {
  249: 	for (i=0; i<document.forms.compemail.elements.length; i++) {
  250:             if 
  251:           (document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
  252: 	      document.forms.compemail.elements[i].checked=true;
  253:             }
  254:         }
  255:     }
  256: 
  257:     function checksec() {
  258: 	for (i=0; i<document.forms.compemail.elements.length; i++) {
  259:             if 
  260:           (document.forms.compemail.elements[i].name.indexOf
  261:            ('send_to_&&&'+document.forms.compemail.chksec.value)==0) {
  262: 	      document.forms.compemail.elements[i].checked=true;
  263:             }
  264:         }
  265:     }
  266: 
  267:     function uncheckall() {
  268: 	for (i=0; i<document.forms.compemail.elements.length; i++) {
  269:             if 
  270:           (document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
  271: 	      document.forms.compemail.elements[i].checked=false;
  272:             }
  273:         }
  274:     }
  275: </script>
  276: <input type=button onClick="checkall()" value="Check for All">&nbsp;
  277: <input type=button onClick="checksec()" value="Check for Section/Group">
  278: <input type=text size=5 name=chksec>&nbsp;
  279: <input type=button onClick="uncheckall()" value="Check for None">
  280: <p>
  281: ENDDISHEADER
  282:     foreach (sort keys %courselist) {
  283:         my ($end,$start)=split(/\:/,$courselist{$_});
  284:         my $active=1;
  285:         if (($end) && ($now>$end)) { $active=0; }
  286:         if ($active) {
  287:            my ($sname,$sdom)=split(/\:/,$_);
  288:            my %reply=&Apache::lonnet::get('environment',
  289:               ['firstname','middlename','lastname','generation'],
  290:               $sdom,$sname);
  291:            my $section=&Apache::lonnet::usection
  292: 	       ($sdom,$sname,$ENV{'request.course.id'});
  293:            $r->print(
  294:         '<br><input type=checkbox name="send_to_&&&'.$section.'&&&_'.$_.'"> '.
  295: 		      $reply{'firstname'}.' '. 
  296:                       $reply{'middlename'}.' '.
  297:                       $reply{'lastname'}.' '.
  298:                       $reply{'generation'}.
  299:                       ' ('.$_.') '.$section);
  300:         } 
  301:     }
  302: }
  303: 
  304: # ==================================================== Display Critical Message
  305: 
  306: sub discrit {
  307:     my $r=shift;
  308:     my $header = '<h1><font color=red>Critical Messages</font></h1>'.
  309:         '<form action=/adm/email method=post>'.
  310:         '<input type=hidden name=confirm value=true>';
  311:     my %what=&Apache::lonnet::dump('critical');
  312:     my $result = '';
  313:     foreach (sort keys %what) {
  314:         my %content=&unpackagemsg($what{$_});
  315:         next if ($content{'senderdomain'} eq '');
  316:         $content{'message'}=~s/\n/\<br\>/g;
  317:         $result.='<hr>From: <b>'.
  318: &Apache::loncommon::aboutmewrapper(
  319:  &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
  320: $content{'sendername'}.'@'.
  321:             $content{'senderdomain'}.') '.$content{'time'}.
  322:             '<br>Subject: '.$content{'subject'}.
  323:             '<br><blockquote>'.
  324:               &Apache::lontexconvert::msgtexconverted($content{'message'}).
  325:             '</blockquote>'.
  326:             '<input type=submit name="rec_'.$_.'" value="Confirm Receipt">'.
  327:             '<input type=submit name="reprec_'.$_.'" '.
  328:                   'value="Confirm Receipt and Reply">';
  329:     }
  330:     # Check to see if there were any messages.
  331:     if ($result eq '') {
  332:         $result = "<h2>You have no critical messages.</h2>";
  333:     } else {
  334:         $r->print($header);
  335:     }
  336:     $r->print($result);
  337:     $r->print('<input type=hidden name="displayedcrit" value="true"></form>');
  338: }
  339: 
  340: # =============================================================== Compose reply
  341: 
  342: sub comprep {
  343:     my ($r,$msgid)=@_;
  344:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  345:       my %content=&unpackagemsg($message{$msgid});
  346:       my $quotemsg='> '.$content{'message'};
  347:       $quotemsg=~s/\r/\n/g;
  348:       $quotemsg=~s/\f/\n/g;
  349:       $quotemsg=~s/\n+/\n\> /g;
  350:       my $subject='Re: '.$content{'subject'};
  351:       my $dispcrit='';
  352:       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
  353: 	 my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");
  354:          $dispcrit=
  355:  '<input type=checkbox name=critmsg> Send as critical message ' . $crithelp . 
  356:  '<br>'.
  357:  '<input type=checkbox name=sendbck> Send as critical message ' .
  358:  ' and return receipt' . $crithelp . '<p>';
  359:       }
  360:       $r->print(<<"ENDREPLY");
  361: <form action="/adm/email" method=post>
  362: <input type=hidden name=sendreply value="$msgid">
  363: Subject: <input type=text size=50 name=subject value="$subject"><p>
  364: <textarea name=message cols=84 rows=10 wrap=hard>
  365: $quotemsg
  366: </textarea><p>
  367: $dispcrit
  368: <input type=submit value="Send Reply">
  369: </form>
  370: ENDREPLY
  371: }
  372: 
  373: # ======================================================== Display all messages
  374: 
  375: sub disall {
  376:     my $r=shift;
  377:      $r->print(<<ENDDISHEADER);
  378: <script>
  379:     function checkall() {
  380: 	for (i=0; i<document.forms.disall.elements.length; i++) {
  381:             if 
  382:           (document.forms.disall.elements[i].name.indexOf('delmark_')==0) {
  383: 	      document.forms.disall.elements[i].checked=true;
  384:             }
  385:         }
  386:     }
  387: 
  388:     function uncheckall() {
  389: 	for (i=0; i<document.forms.disall.elements.length; i++) {
  390:             if 
  391:           (document.forms.disall.elements[i].name.indexOf('delmark_')==0) {
  392: 	      document.forms.disall.elements[i].checked=false;
  393:             }
  394:         }
  395:     }
  396: </script>
  397: ENDDISHEADER
  398:    $r->print(
  399:  '<h1>Display All Messages</h1><form method=post name=disall '.
  400:  'action="/adm/email">'.
  401:      '<table border=2><tr><th colspan=2>&nbsp</th><th>Date</th>'.
  402:      '<th>Username</th><th>Domain</th><th>Subject</th><th>Status</th></tr>');
  403:     foreach (sort split(/\&/,&Apache::lonnet::reply('keys:'.
  404: 					$ENV{'user.domain'}.':'.
  405:                                         $ENV{'user.name'}.':nohist_email',
  406:                                         $ENV{'user.home'}))) {
  407:         my ($sendtime,$shortsubj,$fromname,$fromdomain,$status)=
  408: 	    &Apache::lonmsg::unpackmsgid($_);
  409:        unless (($status eq 'deleted') || ($sendtime=~/error/)) {
  410:         if ($status eq 'new') {
  411: 	    $r->print('<tr bgcolor="#FFBB77">');
  412:         } elsif ($status eq 'read') {
  413: 	    $r->print('<tr bgcolor="#BBBB77">');
  414:         } elsif ($status eq 'replied') {
  415: 	    $r->print('<tr bgcolor="#AAAA88">');
  416: 	} else {
  417: 	    $r->print('<tr bgcolor="#99BBBB">');
  418:         }
  419:         $r->print('<td><a href="/adm/email?display='.$_.
  420:                   '">Open</a></td><td><a href="/adm/email?markdel='.$_.
  421:                 '">Delete</a><input type=checkbox name="delmark_'.$_.'"></td>'.
  422:                   '<td>'.localtime($sendtime).'</td><td>'.
  423:                   $fromname.'</td><td>'.$fromdomain.'</td><td>'.
  424: 		      &Apache::lonnet::unescape($shortsubj).'</td><td>'.
  425:                       $status.'</td></tr>');
  426:        }
  427:     }
  428:     $r->print('</table><p>'.
  429:               '<a href="javascript:checkall()">Check All</a>&nbsp;'.
  430:               '<a href="javascript:uncheckall()">Uncheck All</a><p>'.
  431:               '<input type=submit name="markeddel" value="Delete Checked">'.
  432:               '</form></body></html>');
  433: }
  434: 
  435: # ============================================================== Compose output
  436: 
  437: sub compout {
  438:     my ($r,$forwarding,$broadcast)=@_;
  439:       my $dispcrit='';
  440:     my $dissub='';
  441:     my $dismsg='';
  442:     my $func='Send New';
  443:       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
  444: 	 my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");
  445:          $dispcrit=
  446:  '<input type=checkbox name=critmsg> Send as critical message ' . $crithelp . 
  447:  '<br>'.
  448:  '<input type=checkbox name=sendbck> Send as critical message ' .
  449:  ' and return receipt' . $crithelp . '<p>';
  450:       }
  451:     if ($forwarding) {
  452:        $dispcrit.='<input type=hidden name=forwid value="'.
  453: 	   $forwarding.'">';
  454:        $func='Forward';
  455:       my %message=&Apache::lonnet::get('nohist_email',[$forwarding]);
  456:       my %content=&unpackagemsg($message{$forwarding});
  457: 
  458:        $dissub='Forwarding: '.$content{'subject'};
  459:        $dismsg='Forwarded message from '.
  460: 	   $content{'sendername'}.' at '.$content{'senderdomain'};
  461:     }
  462:     my $defdom=$ENV{'user.domain'};
  463:     if ($ENV{'form.recdom'}) { $defdom=$ENV{'form.recdom'}; }
  464:       $r->print(
  465:                 '<form action="/adm/email"  name="compemail" method="post"'.
  466:                 ' enctype="multipart/form-data">'."\n".
  467:                 '<input type="hidden" name="sendmail" value="on">'."\n".
  468:                 '<table>');
  469:     unless (($broadcast eq 'group') || ($broadcast eq 'upload')) {
  470:         my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
  471: 
  472:        $r->print(<<"ENDREC");
  473: <table>
  474: <tr><td>Username:</td><td><input type=text size=12 name=recuname value="$ENV{'form.recname'}"></td></tr>
  475: <tr><td>Domain:</td>
  476: <td>$domform</td></tr>
  477: ENDREC
  478:     }
  479:     if ($broadcast ne 'upload') {
  480:        $r->print(<<"ENDCOMP");
  481: <tr><td>Additional Recipients<br><tt>username\@domain,username\@domain, ...
  482: </tt></td><td>
  483: <input type=text size=50 name=additionalrec></td></tr>
  484: <tr><td>Subject:</td><td><input type=text size=50 name=subject value="$dissub">
  485: </td></tr></table>
  486: <textarea name=message cols=80 rows=10 wrap=hard>$dismsg
  487: </textarea><p>
  488: $dispcrit
  489: <input type=submit value="$func Mail">
  490: ENDCOMP
  491:     } else { # $broadcast is 'upload'
  492: 	$r->print(<<ENDUPLOAD);
  493: <input type=hidden name=sendmode value=upload>
  494: <h3>Generate messages from a file</h3>
  495: <p>
  496: Subject: <input type=text size=50 name=subject>
  497: </p>
  498: <p>General message text<br />
  499: <textarea name=message cols=60 rows=10 wrap=hard>$dismsg
  500: </textarea></p>
  501: <p>
  502: The file format for the uploaded portion of the message is:
  503: <pre>
  504: username1\@domain1: text
  505: username2\@domain2: text
  506: username3\@domain1: text
  507: </pre>
  508: </p>
  509: <p>
  510: The messages will be assembled from all lines with the respective 
  511: <tt>username\@domain</tt>, and appended to the general message text.</p>
  512: <p>
  513: <input type=file name=upfile size=20><p>
  514: $dispcrit
  515: <input type=submit value="Upload and send">
  516: ENDUPLOAD
  517:     }
  518:     if ($broadcast eq 'group') {
  519:        &discourse;
  520:     }
  521:     $r->print('</form>');
  522: }
  523: 
  524: # ===================================================================== Handler
  525: 
  526: sub handler {
  527:     my $r=shift;
  528: 
  529: # ----------------------------------------------------------- Set document type
  530: 
  531:   $r->content_type('text/html');
  532:   $r->send_http_header;
  533: 
  534:   return OK if $r->header_only;
  535: 
  536: # --------------------------- Get query string for limited number of parameters
  537:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  538:         ['display','replyto','forward','markread','markdel','markunread',
  539:          'sendreply','compose','sendmail','critical','recname','recdom']);
  540: 
  541: # --------------------------------------------------------------- Render Output
  542:   
  543:   $r->print('<html><head><title>EMail and Messaging</title></head>'.
  544:             &Apache::loncommon::bodytag('EMail and Messages'));
  545:   if ($ENV{'form.display'}) {
  546:       my $msgid=$ENV{'form.display'};
  547:       &statuschange($msgid,'read');
  548:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  549:       my %content=&unpackagemsg($message{$msgid});
  550:       $r->print('<b>Subject:</b> '.$content{'subject'}.
  551:              '<br><b>From:</b> '.
  552: &Apache::loncommon::aboutmewrapper(
  553: &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),
  554: $content{'sendername'},$content{'senderdomain'}).' ('.
  555:                                  $content{'sendername'}.' at '.
  556:                                  $content{'senderdomain'}.') '.
  557:              '<br><b>Time:</b> '.$content{'time'}.'<p>'.
  558:              '<table border=2><tr bgcolor="#FFFFAA"><td>Functions:</td>'.
  559:            '<td><a href="/adm/email?replyto='.&Apache::lonnet::escape($msgid).
  560:              '"><b>Reply</b></a></td>'.
  561:            '<td><a href="/adm/email?forward='.&Apache::lonnet::escape($msgid).
  562:              '"><b>Forward</b></a></td>'.
  563:         '<td><a href="/adm/email?markunread='.&Apache::lonnet::escape($msgid).
  564:              '"><b>Mark Unread</b></a></td>'.
  565:         '<td><a href="/adm/email"><b>Display all Messages</b></a></td>'.
  566:              '</tr></table><p><pre>'.
  567:              &Apache::lontexconvert::msgtexconverted($content{'message'}).
  568:              '</pre><hr>'.$content{'citation'});
  569:   } elsif ($ENV{'form.replyto'}) {
  570:       &comprep($r,$ENV{'form.replyto'});
  571:   } elsif ($ENV{'form.sendreply'}) {
  572:       my $msgid=$ENV{'form.sendreply'};
  573:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  574:       my %content=&unpackagemsg($message{$msgid});
  575:       &statuschange($msgid,'replied');
  576:       if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && 
  577:           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
  578:          $r->print('Sending critical: '.
  579:                 &user_crit_msg($content{'sendername'},
  580:                                  $content{'senderdomain'},
  581:                                  $ENV{'form.subject'},
  582:                                  $ENV{'form.message'},
  583:                                  $ENV{'form.sendbck'}));
  584:       } else {
  585:          $r->print('Sending: '.&user_normal_msg($content{'sendername'},
  586:                                  $content{'senderdomain'},
  587:                                  $ENV{'form.subject'},
  588:                                  $ENV{'form.message'}));
  589:       }
  590:       if ($ENV{'form.displayedcrit'}) {
  591:           &discrit($r);
  592:       } else {
  593: 	  &disall($r);
  594:       }
  595:   } elsif ($ENV{'form.confirm'}) {
  596:       foreach (keys %ENV) {
  597:           if ($_=~/^form\.rec\_(.*)$/) {
  598: 	      $r->print('<b>Confirming Receipt:</b> '.
  599:                         &user_crit_received($1).'<br>');
  600:           }
  601:           if ($_=~/^form\.reprec\_(.*)$/) {
  602:               my $msgid=$1;
  603: 	      $r->print('<b>Confirming Receipt:</b> '.
  604:                         &user_crit_received($msgid).'<br>');
  605:               &comprep($r,$msgid);
  606:           }
  607:       }
  608:       &discrit($r);
  609:   } elsif ($ENV{'form.critical'}) {
  610:       &discrit($r);
  611:   } elsif ($ENV{'form.forward'}) {
  612:       &compout($r,$ENV{'form.forward'});
  613:   } elsif ($ENV{'form.markread'}) {
  614:   } elsif ($ENV{'form.markdel'}) {
  615:       &statuschange($ENV{'form.markdel'},'deleted');
  616:       &disall($r);
  617:   } elsif ($ENV{'form.markeddel'}) {
  618:       my $total=0;
  619:       foreach (keys %ENV) {
  620:           if ($_=~/^form\.delmark_(.*)$/) {
  621: 	      &statuschange(&Apache::lonnet::unescape($1),'deleted');
  622:               $total++;
  623:           }
  624:       }
  625:       $r->print('Deleted '.$total.' message(s)<p>');
  626:       &disall($r);
  627:   } elsif ($ENV{'form.markunread'}) {
  628:       &statuschange($ENV{'form.markunread'},'new');
  629:       &disall($r);
  630:   } elsif ($ENV{'form.compose'}) {
  631:       &compout($r,'',$ENV{'form.compose'});
  632:   } elsif ($ENV{'form.sendmail'}) {
  633:       my %content=();
  634:       undef %content;
  635:       if ($ENV{'form.forwid'}) {
  636:         my $msgid=$ENV{'form.forwid'};
  637:         my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  638:         %content=&unpackagemsg($message{$msgid});
  639:         &statuschange($msgid,'forwarded');
  640:         $ENV{'form.message'}.="\n\n-- Forwarded message --\n\n".
  641: 	                       $content{'message'};
  642:       }
  643:       my %toaddr=();
  644:       undef %toaddr;
  645:       if ($ENV{'form.sendmode'} eq 'group') {
  646:           foreach (keys %ENV) {
  647: 	      if ($_=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
  648: 		  $toaddr{$1}='';
  649:               }
  650:           }
  651:       } elsif ($ENV{'form.sendmode'} eq 'upload') {
  652:           foreach (split(/[\n\r\f]+/,$ENV{'form.upfile'})) {
  653:               my ($rec,$txt)=split(/\s*\:\s*/,$_);
  654:               if ($txt) {
  655: 		  $rec=~s/\@/\:/;
  656:                   $toaddr{$rec}.=$txt."\n";
  657:               }
  658:           }
  659:       } else {
  660: 	  $toaddr{$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}}='';
  661:       }
  662:       if ($ENV{'form.additionalrec'}) {
  663: 	  foreach (split(/\,/,$ENV{'form.additionalrec'})) {
  664:               my ($auname,$audom)=split(/\@/,$_);
  665:               $toaddr{$auname.':'.$audom}='';
  666:           }
  667:       }
  668:     foreach (keys %toaddr) {
  669:       my ($recuname,$recdomain)=split(/\:/,$_);
  670:       my $msgtxt=$ENV{'form.message'};
  671:       if ($toaddr{$_}) { $msgtxt.='<hr>'.$toaddr{$_}; }    
  672:       if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && 
  673:           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
  674:          $r->print('Sending critical: '.
  675:                 &user_crit_msg($recuname,$recdomain,
  676:                                  $ENV{'form.subject'},
  677:                                  $msgtxt,
  678:                                  $ENV{'form.sendbck'}));
  679:       } else {
  680:          $r->print('Sending: '.&user_normal_msg($recuname,$recdomain,
  681:                                  $ENV{'form.subject'},
  682:                                  $msgtxt,
  683:                                  $content{'citation'}));
  684:       }
  685:       $r->print('<br>');
  686:     }
  687:       if ($ENV{'form.displayedcrit'}) {
  688:           &discrit($r);
  689:       } else {
  690: 	  &disall($r);
  691:       }
  692:   } else {
  693:       &disall($r);
  694:   }
  695:   $r->print('</body></html>');
  696:   return OK;
  697: 
  698: }
  699: # ================================================= Main program, reset counter
  700: 
  701: BEGIN {
  702:     $msgcount=0;
  703: }
  704: 
  705: 1;
  706: __END__
  707: 
  708: 
  709: 
  710: 
  711: 
  712: 
  713: