Return to lonmsg.pm CVS log

Up to [LON-CAPA] / loncom / interface

Hard line wraps.

    1: # The LearningOnline Network with CAPA
    2: #
    3: # Routines for messaging
    4: #
    5: # (Routines to control the menu
    6: #
    7: # (TeX Conversion Module
    8: #
    9: # 05/29/00,05/30 Gerd Kortemeyer)
   10: #
   11: # 10/05 Gerd Kortemeyer)
   12: #
   13: # 10/19,10/20,10/30,
   14: # 02/06/01 Gerd Kortemeyer
   15: # 07/27 Guy Albertelli
   16: # 07/27,07/28,07/30,08/03,08/06,08/08,08/09,08/10,8/13,8/15,
   17: # 10/1 Gerd Kortemeyer
   18: 
   19: package Apache::lonmsg;
   20: 
   21: use strict;
   22: use Apache::lonnet();
   23: use vars qw($msgcount);
   24: use HTML::TokeParser;
   25: use Apache::Constants qw(:common);
   26: 
   27: # ===================================================================== Package
   28: 
   29: sub packagemsg {
   30:     my ($subject,$message,$citation)=@_;
   31:     $message=~s/\</\&lt\;/g;
   32:     $message=~s/\>/\&gt\;/g;
   33:     $citation=~s/\</\&lt\;/g;
   34:     $citation=~s/\>/\&gt\;/g;
   35:     $subject=~s/\</\&lt\;/g;
   36:     $subject=~s/\>/\&gt\;/g;
   37:     my $now=time;
   38:     $msgcount++;
   39:     my $partsubj=$subject;
   40:     $partsubj=&Apache::lonnet::escape($partsubj);
   41:     $partsubj=substr($partsubj,0,50);
   42:     my $msgid=&Apache::lonnet::escape(
   43:            $now.':'.$partsubj.':'.$ENV{'user.name'}.':'.
   44:            $ENV{'user.domain'}.':'.$msgcount.':'.$$);
   45:     return $msgid,
   46:            '<sendername>'.$ENV{'user.name'}.'</sendername>'.
   47:            '<senderdomain>'.$ENV{'user.domain'}.'</senderdomain>'.
   48:            '<subject>'.$subject.'</subject>'.
   49: 	   '<time>'.localtime($now).'</time>'.
   50: 	   '<servername>'.$ENV{'SERVER_NAME'}.'</servername>'.
   51:            '<host>'.$ENV{'HTTP_HOST'}.'</host>'.
   52: 	   '<client>'.$ENV{'REMOTE_ADDR'}.'</client>'.
   53: 	   '<browsertype>'.$ENV{'browser.type'}.'</browsertype>'.
   54: 	   '<browseros>'.$ENV{'browser.os'}.'</browseros>'.
   55: 	   '<browserversion>'.$ENV{'browser.version'}.'</browserversion>'.
   56:            '<browsermathml>'.$ENV{'browser.mathml'}.'</browsermathml>'.
   57: 	   '<browserraw>'.$ENV{'HTTP_USER_AGENT'}.'</browserraw>'.
   58: 	   '<courseid>'.$ENV{'request.course.id'}.'</courseid>'.
   59: 	   '<role>'.$ENV{'request.role'}.'</role>'.
   60: 	   '<resource>'.$ENV{'request.filename'}.'</resource>'.
   61:            '<msgid>'.$msgid.'</msgid>'.
   62: 	   '<message>'.$message.'</message>'.
   63: 	   '<citation>'.$citation.'</citation>';
   64: }
   65: 
   66: # ================================================== Unpack message into a hash
   67: 
   68: sub unpackagemsg {
   69:     my $message=shift;
   70:     my %content=();
   71:     my $parser=HTML::TokeParser->new(\$message);
   72:     my $token;
   73:     while ($token=$parser->get_token) {
   74:        if ($token->[0] eq 'S') {
   75: 	   my $entry=$token->[1];
   76:            my $value=$parser->get_text('/'.$entry);
   77:            $content{$entry}=$value;
   78:        }
   79:     }
   80:     return %content;
   81: }
   82: 
   83: # ======================================================= Get info out of msgid
   84: 
   85: sub unpackmsgid {
   86:     my $msgid=&Apache::lonnet::unescape(shift);
   87:     my ($sendtime,$shortsubj,$fromname,$fromdomain)=split(/\:/,
   88:                           &Apache::lonnet::unescape($msgid));
   89:     my %status=&Apache::lonnet::get('email_status',[$msgid]);
   90:     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
   91:     unless ($status{$msgid}) { $status{$msgid}='new'; }
   92:     return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid});
   93: } 
   94: 
   95: # =============================== Automated message to the author of a resource
   96: 
   97: sub author_res_msg {
   98:     my ($filename,$message)=@_;
   99:     unless ($message) { return 'empty'; }
  100:     $filename=&Apache::lonnet::declutter($filename);
  101:     my ($domain,$author,@dummy)=split(/\//,$filename);
  102:     my $homeserver=&Apache::lonnet::homeserver($author,$domain);
  103:     if ($homeserver ne 'no_host') {
  104:        my $id=unpack("%32C*",$message);
  105:        my $msgid;
  106:        ($msgid,$message)=&packagemsg($filename,$message);
  107:        return &Apache::lonnet::reply('put:'.$domain.':'.$author.
  108:          ':nohist_res_msgs:'.
  109:           &Apache::lonnet::escape($filename.'_'.$id).'='.
  110:           &Apache::lonnet::escape($message),$homeserver);
  111:     }
  112:     return 'no_host';
  113: }
  114: 
  115: # ================================================== Critical message to a user
  116: 
  117: sub user_crit_msg {
  118:     my ($user,$domain,$subject,$message)=@_;
  119: # Check if allowed missing
  120:     my $status='';
  121:     my $msgid='undefined';
  122:     unless (($message)&&($user)&&($domain)) { $status='empty'; };
  123:     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
  124:     if ($homeserver ne 'no_host') {
  125:        ($msgid,$message)=&packagemsg($subject,$message);
  126:        $status=&Apache::lonnet::critical(
  127:            'put:'.$domain.':'.$user.':critical:'.
  128:            &Apache::lonnet::escape($msgid).'='.
  129:            &Apache::lonnet::escape($message),$homeserver);
  130:     } else {
  131:        $status='no_host';
  132:     }
  133:     &Apache::lonnet::logthis(
  134:       'Sending critical email '.$msgid.
  135:       ', log status: '.
  136:       &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  137:                          $ENV{'user.home'},
  138:       'Sending critical '.$msgid.' to '.$user.' at '.$domain.' with status: '
  139:       .$status));
  140:     return $status;
  141: }
  142: 
  143: # =================================================== Critical message received
  144: 
  145: sub user_crit_received {
  146:     my $msgid=shift;
  147:     my %message=&Apache::lonnet::get('critical',[$msgid]);
  148:     my %contents=&unpackagemsg($message{$msgid});
  149:     my $status='rec: '.
  150:      &user_normal_msg($contents{'sendername'},$contents{'senderdomain'},
  151:                      'Receipt: '.$ENV{'user.name'}.' at '.$ENV{'user.domain'},
  152:                      'User '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  153:                      ' acknowledged receipt of message "'.
  154:                      $contents{'subject'}.'" dated '.$contents{'time'}.".\n\n"
  155:                      .'Message ID: '.$contents{'msgid'});
  156:     $status.=' trans: '.
  157:      &Apache::lonnet::put(
  158:      'nohist_email',{$contents{'msgid'} => $message{$msgid}});
  159:     $status.=' del: '.
  160:      &Apache::lonnet::del('critical',[$contents{'msgid'}]);
  161:     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  162:                          $ENV{'user.home'},'Received critical message '.
  163:                          $contents{'msgid'}.
  164:                          ', '.$status);
  165:     return $status;
  166: }
  167: 
  168: # ======================================================== Normal communication
  169: 
  170: sub user_normal_msg {
  171:     my ($user,$domain,$subject,$message,$citation)=@_;
  172: # Check if allowed missing
  173:     my $status='';
  174:     my $msgid='undefined';
  175:     unless (($message)&&($user)&&($domain)) { $status='empty'; };
  176:     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
  177:     if ($homeserver ne 'no_host') {
  178:        ($msgid,$message)=&packagemsg($subject,$message,$citation);
  179:        $status=&Apache::lonnet::critical(
  180:            'put:'.$domain.':'.$user.':nohist_email:'.
  181:            &Apache::lonnet::escape($msgid).'='.
  182:            &Apache::lonnet::escape($message),$homeserver);
  183:     } else {
  184:        $status='no_host';
  185:     }
  186:     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  187:                          $ENV{'user.home'},
  188:       'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);
  189:     return $status;
  190: }
  191: 
  192: # =============================================================== Status Change
  193: 
  194: sub statuschange {
  195:     my ($msgid,$newstatus)=@_;
  196:     my %status=&Apache::lonnet::get('email_status',[$msgid]);
  197:     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
  198:     unless ($status{$msgid}) { $status{$msgid}='new'; }
  199:     unless (($status{$msgid} eq 'replied') || 
  200:             ($status{$msgid} eq 'forwarded')) {
  201: 	&Apache::lonnet::put('email_status',{$msgid => $newstatus});
  202:     }
  203:     if (($newstatus eq 'deleted') || ($newstatus eq 'new')) {
  204: 	&Apache::lonnet::put('email_status',{$msgid => $newstatus});
  205:     }
  206: }
  207: 
  208: # ======================================================= Display a course list
  209: 
  210: sub discourse {
  211:     my $r=shift;
  212:     my %courselist=&Apache::lonnet::dump(
  213:                    'classlist',
  214: 		   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
  215: 		   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
  216:     my $now=time;
  217:     $r->print(<<ENDDISHEADER);
  218: <input type=hidden name=sendmode value=group>
  219: <script>
  220:     function checkall() {
  221: 	for (i=0; i<document.forms.compemail.elements.length; i++) {
  222:             if 
  223:           (document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
  224: 	      document.forms.compemail.elements[i].checked=true;
  225:             }
  226:         }
  227:     }
  228: 
  229:     function checksec() {
  230: 	for (i=0; i<document.forms.compemail.elements.length; i++) {
  231:             if 
  232:           (document.forms.compemail.elements[i].name.indexOf
  233:            ('send_to_&&&'+document.forms.compemail.chksec.value)==0) {
  234: 	      document.forms.compemail.elements[i].checked=true;
  235:             }
  236:         }
  237:     }
  238: 
  239:     function uncheckall() {
  240: 	for (i=0; i<document.forms.compemail.elements.length; i++) {
  241:             if 
  242:           (document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
  243: 	      document.forms.compemail.elements[i].checked=false;
  244:             }
  245:         }
  246:     }
  247: </script>
  248: <input type=button onClick="checkall()" value="Check for All">&nbsp;
  249: <input type=button onClick="checksec()" value="Check for Section/Group">
  250: <input type=text size=5 name=chksec>&nbsp;
  251: <input type=button onClick="uncheckall()" value="Check for None">
  252: <p>
  253: ENDDISHEADER
  254:     map {
  255:         my ($end,$start)=split(/\:/,$courselist{$_});
  256:         my $active=1;
  257:         if (($end) && ($now>$end)) { $active=0; }
  258:         if ($active) {
  259:            my ($sname,$sdom)=split(/\:/,$_);
  260:            my %reply=&Apache::lonnet::get('environment',
  261:               ['firstname','middlename','lastname','generation'],
  262:               $sdom,$sname);
  263:            my $section=&Apache::lonnet::usection
  264: 	       ($sdom,$sname,$ENV{'request.course.id'});
  265:            $r->print(
  266:         '<br><input type=checkbox name="send_to_&&&'.$section.'&&&_'.$_.'"> '.
  267: 		      $reply{'firstname'}.' '. 
  268:                       $reply{'middlename'}.' '.
  269:                       $reply{'lastname'}.' '.
  270:                       $reply{'generation'}.
  271:                       ' ('.$_.') '.$section);
  272:         } 
  273:     } sort keys %courselist;
  274: }
  275: 
  276: # ==================================================== Display Critical Message
  277: 
  278: sub discrit {
  279:     my $r=shift;
  280:       $r->print('<h1><font color=red>Critical Messages</font></h1>'.
  281:          '<form action=/adm/email method=post>'.
  282:          '<input type=hidden name=confirm value=true>');
  283:       my %what=&Apache::lonnet::dump('critical');
  284:       map {
  285:           my %content=&unpackagemsg($what{$_});
  286:           $content{'message'}=~s/\n/\<br\>/g;
  287: 	  $r->print('<hr>From: <b>'.$content{'sendername'}.'@'.
  288:                     $content{'senderdomain'}.'</b> ('.$content{'time'}.
  289:                     ')<br><blockquote>'.$content{'message'}.'</blockquote>'.
  290:   '<input type=submit name="rec_'.$_.'" value="Confirm Receipt">'.
  291:  '<input type=submit name="reprec_'.$_.'" value="Confirm Receipt and Reply">');
  292:       } sort keys %what;
  293:       $r->print(
  294:           '<input type=hidden name="displayedcrit" value="true"></form>');
  295: }
  296: 
  297: # =============================================================== Compose reply
  298: 
  299: sub comprep {
  300:     my ($r,$msgid)=@_;
  301:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  302:       my %content=&unpackagemsg($message{$msgid});
  303:       my $quotemsg='> '.$content{'message'};
  304:       $quotemsg=~s/\r/\n/g;
  305:       $quotemsg=~s/\f/\n/g;
  306:       $quotemsg=~s/\n+/\n\> /g;
  307:       my $subject='Re: '.$content{'subject'};
  308:       my $dispcrit='';
  309:       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
  310:          $dispcrit=
  311: 	     '<input type=checkbox name=critmsg> Send as critical message<p>';
  312:       }
  313:       $r->print(<<"ENDREPLY");
  314: <form action="/adm/email" method=post>
  315: <input type=hidden name=sendreply value="$msgid">
  316: Subject: <input type=text size=50 name=subject value="$subject"><p>
  317: <textarea name=message cols=64 rows=10 wrap=hard>
  318: $quotemsg
  319: </textarea><p>
  320: $dispcrit
  321: <input type=submit value="Send Reply">
  322: </form>
  323: ENDREPLY
  324: }
  325: 
  326: # ======================================================== Display all messages
  327: 
  328: sub disall {
  329:     my $r=shift;
  330:     $r->print('<h1>Display All Messages</h1>'.
  331:      '<table border=2><tr><th colspan=2>&nbsp</th><th>Date</th>'.
  332:      '<th>Username</th><th>Domain</th><th>Subject</th><th>Status</th></tr>');
  333:     map {
  334:         my ($sendtime,$shortsubj,$fromname,$fromdomain,$status)=
  335: 	    &Apache::lonmsg::unpackmsgid($_);
  336:        unless ($status eq 'deleted') {
  337:         if ($status eq 'new') {
  338: 	    $r->print('<tr bgcolor="#FFBB77">');
  339:         } elsif ($status eq 'read') {
  340: 	    $r->print('<tr bgcolor="#BBBB77">');
  341:         } elsif ($status eq 'replied') {
  342: 	    $r->print('<tr bgcolor="#AAAA88">');
  343: 	} else {
  344: 	    $r->print('<tr bgcolor="#99BBBB">');
  345:         }
  346:         $r->print('<td><a href="/adm/email?display='.$_.
  347:                   '">Open</a></td><td><a href="/adm/email?markdel='.$_.
  348:                   '">Delete</a></td><td>'.localtime($sendtime).'</td><td>'.
  349:                   $fromname.'</td><td>'.$fromdomain.'</td><td>'.
  350: 		      &Apache::lonnet::unescape($shortsubj).'</td><td>'.
  351:                       $status.'</td></tr>');
  352:        }
  353:     } sort split(/\&/,&Apache::lonnet::reply('keys:'.
  354: 					$ENV{'user.domain'}.':'.
  355:                                         $ENV{'user.name'}.':nohist_email',
  356:                                         $ENV{'user.home'}));
  357:     $r->print('</table></body></html>');
  358: }
  359: 
  360: # ============================================================== Compose output
  361: 
  362: sub compout {
  363:     my ($r,$forwarding,$broadcast)=@_;
  364:       my $dispcrit='';
  365:     my $dissub='';
  366:     my $dismsg='';
  367:     my $func='Send New';
  368:       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
  369:          $dispcrit=
  370: 	     '<input type=checkbox name=critmsg> Send as critical message<p>';
  371:       }
  372:     if ($forwarding) {
  373:        $dispcrit.='<input type=hidden name=forwid value="'.
  374: 	   $forwarding.'">';
  375:        $func='Forward';
  376:       my %message=&Apache::lonnet::get('nohist_email',[$forwarding]);
  377:       my %content=&unpackagemsg($message{$forwarding});
  378: 
  379:        $dissub='Forwarding: '.$content{'subject'};
  380:        $dismsg='Forwarded message from '.
  381: 	   $content{'sendername'}.' at '.$content{'senderdomain'};
  382:     }
  383:     my $defdom=$ENV{'user.domain'};
  384:       $r->print(
  385:                 '<form action="/adm/email"  name="compemail" method=post'.
  386:                 ' enctype="multipart/form-data">'.
  387:                 '<input type=hidden name=sendmail value=on><table>');
  388:     unless (($broadcast eq 'group') || ($broadcast eq 'upload')) {
  389:        $r->print(<<"ENDREC");
  390: <table>
  391: <tr><td>Username:</td><td><input type=text size=12 name=recuname></td></tr>
  392: <tr><td>Domain:</td>
  393: <td><input type=text size=12 name=recdomain value="$defdom"></td></tr>
  394: ENDREC
  395:     }
  396:     unless ($broadcast eq 'upload') {
  397:        $r->print(<<"ENDCOMP");
  398: <tr><td>Additional Recipients<br><tt>username\@domain,username\@domain, ...
  399: </tt></td><td>
  400: <input type=text size=50 name=additionalrec></td></tr>
  401: <tr><td>Subject:</td><td><input type=text size=50 name=subject value="$dissub">
  402: </td></tr></table>
  403: <textarea name=message cols=60 rows=10 wrap=hard>$dismsg
  404: </textarea><p>
  405: $dispcrit
  406: <input type=submit value="$func Mail">
  407: ENDCOMP
  408:     }
  409:     if ($broadcast eq 'upload') {
  410: 	$r->print(<<ENDUPLOAD);
  411: <input type=hidden name=sendmode value=upload>
  412: <h3>Generate messages from a file</h3>
  413: Subject: <input type=text size=50 name=subject>
  414: <pre>
  415: username1\@domain1: text
  416: username2\@domain2: text
  417: username1\@domain1: text
  418: </pre>
  419: The messages will be assembled from all lines with the respective 
  420: <tt>username\@domain</tt>, and appended to the general message text.<p>
  421: <input type=file name=upfile size=20><p>
  422: General message text:<p>
  423: <textarea name=message cols=60 rows=10 wrap=hard>$dismsg
  424: </textarea><p>
  425: $dispcrit
  426: <input type=submit value="Upload and send">
  427: ENDUPLOAD
  428:     }
  429:     if ($broadcast eq 'group') {
  430:        &discourse;
  431:     }
  432:     $r->print('</form>');
  433: }
  434: 
  435: # ===================================================================== Handler
  436: 
  437: sub handler {
  438:     my $r=shift;
  439: 
  440: # ----------------------------------------------------------- Set document type
  441: 
  442:   $r->content_type('text/html');
  443:   $r->send_http_header;
  444: 
  445:   return OK if $r->header_only;
  446: 
  447: # --------------------------- Get query string for limited number of parameters
  448: 
  449:     map {
  450:        my ($name, $value) = split(/=/,$_);
  451:        $value =~ tr/+/ /;
  452:        $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
  453:        if (($name eq 'display') || ($name eq 'replyto') || 
  454:            ($name eq 'forward') || ($name eq 'markread') ||
  455:            ($name eq 'markdel') || ($name eq 'markunread') ||
  456:            ($name eq 'sendreply') || ($name eq 'compose') ||
  457:            ($name eq 'sendmail') || ($name eq 'critical')) {
  458:            unless ($ENV{'form.'.$name}) {
  459:               $ENV{'form.'.$name}=$value;
  460: 	   }
  461:        }
  462:     } (split(/&/,$ENV{'QUERY_STRING'}));
  463: 
  464: # --------------------------------------------------------------- Render Output
  465:   
  466:   $r->print('<html><head><title>EMail and Messaging</title></head>');
  467:   $r->print(
  468:    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
  469:   $r->print('<h1>EMail</h1>');
  470:   if ($ENV{'form.display'}) {
  471:       my $msgid=$ENV{'form.display'};
  472:       &statuschange($msgid,'read');
  473:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  474:       my %content=&unpackagemsg($message{$msgid});
  475:       $r->print('<b>Subject:</b> '.$content{'subject'}.
  476:              '<br><b>From:</b> '.$content{'sendername'}.' at '.
  477:                                  $content{'senderdomain'}.
  478:              '<br><b>Time:</b> '.$content{'time'}.'<p>'.
  479:              '<table border=2><tr bgcolor="#FFFFAA"><td>Functions:</td>'.
  480:            '<td><a href="/adm/email?replyto='.&Apache::lonnet::escape($msgid).
  481:              '"><b>Reply</b></a></td>'.
  482:            '<td><a href="/adm/email?forward='.&Apache::lonnet::escape($msgid).
  483:              '"><b>Forward</b></a></td>'.
  484:         '<td><a href="/adm/email?markunread='.&Apache::lonnet::escape($msgid).
  485:              '"><b>Mark Unread</b></a></td>'.
  486:         '<td><a href="/adm/email"><b>Display all Messages</b></a></td>'.
  487:              '</tr></table><p><pre>'.
  488:              $content{'message'}.'</pre><hr>'.$content{'citation'});
  489:   } elsif ($ENV{'form.replyto'}) {
  490:       &comprep($r,$ENV{'form.replyto'});
  491:   } elsif ($ENV{'form.sendreply'}) {
  492:       my $msgid=$ENV{'form.sendreply'};
  493:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  494:       my %content=&unpackagemsg($message{$msgid});
  495:       &statuschange($msgid,'replied');
  496:       if (($ENV{'form.critmsg'}) && 
  497:           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
  498:          $r->print('Sending critical: '.
  499:                 &user_crit_msg($content{'sendername'},
  500:                                  $content{'senderdomain'},
  501:                                  $ENV{'form.subject'},
  502:                                  $ENV{'form.message'}));
  503:       } else {
  504:          $r->print('Sending: '.&user_normal_msg($content{'sendername'},
  505:                                  $content{'senderdomain'},
  506:                                  $ENV{'form.subject'},
  507:                                  $ENV{'form.message'}));
  508:       }
  509:       if ($ENV{'form.displayedcrit'}) {
  510:           &discrit($r);
  511:       } else {
  512: 	  &disall($r);
  513:       }
  514:   } elsif ($ENV{'form.confirm'}) {
  515:       map {
  516:           if ($_=~/^form\.rec\_(.*)$/) {
  517: 	      $r->print('<b>Confirming Receipt:</b> '.
  518:                         &user_crit_received($1).'<br>');
  519:           }
  520:           if ($_=~/^form\.reprec\_(.*)$/) {
  521:               my $msgid=$1;
  522: 	      $r->print('<b>Confirming Receipt:</b> '.
  523:                         &user_crit_received($msgid).'<br>');
  524:               &comprep($r,$msgid);
  525:           }
  526:       } keys %ENV;
  527:       &discrit($r);
  528:   } elsif ($ENV{'form.critical'}) {
  529:       &discrit($r);
  530:   } elsif ($ENV{'form.forward'}) {
  531:       &compout($r,$ENV{'form.forward'});
  532:   } elsif ($ENV{'form.markread'}) {
  533:   } elsif ($ENV{'form.markdel'}) {
  534:       &statuschange($ENV{'form.markdel'},'deleted');
  535:       &disall($r);
  536:   } elsif ($ENV{'form.markunread'}) {
  537:       &statuschange($ENV{'form.markunread'},'new');
  538:       &disall($r);
  539:   } elsif ($ENV{'form.compose'}) {
  540:       &compout($r,'',$ENV{'form.compose'});
  541:   } elsif ($ENV{'form.sendmail'}) {
  542:       my %content=();
  543:       undef %content;
  544:       if ($ENV{'form.forwid'}) {
  545:         my $msgid=$ENV{'form.forwid'};
  546:         my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  547:         %content=&unpackagemsg($message{$msgid});
  548:         &statuschange($msgid,'forwarded');
  549:         $ENV{'form.message'}.="\n\n-- Forwarded message --\n\n".
  550: 	                       $content{'message'};
  551:       }
  552:       my %toaddr=();
  553:       undef %toaddr;
  554:       if ($ENV{'form.sendmode'} eq 'group') {
  555:           map {
  556: 	      if ($_=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
  557: 		  $toaddr{$1}='';
  558:               }
  559:           } keys %ENV;
  560:       } elsif ($ENV{'form.sendmode'} eq 'upload') {
  561:           map {
  562:               my ($rec,$txt)=split(/\s*\:\s*/,$_);
  563:               if ($txt) {
  564: 		  $rec=~s/\@/\:/;
  565:                   $toaddr{$rec}.=$txt."\n";
  566:               }
  567:           } split(/[\n\r\f]+/,$ENV{'form.upfile'});
  568:       } else {
  569: 	  $toaddr{$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}}='';
  570:       }
  571:       if ($ENV{'form.additionalrec'}) {
  572: 	  map {
  573:               my ($auname,$audom)=split(/\@/,$_);
  574:               $toaddr{$auname.':'.$audom}='';
  575:           } split(/\,/,$ENV{'form.additionalrec'});
  576:       }
  577:     map {
  578:       my ($recuname,$recdomain)=split(/\:/,$_);
  579:       my $msgtxt=$ENV{'form.message'};
  580:       if ($toaddr{$_}) { $msgtxt.='<hr>'.$toaddr{$_}; }    
  581:       if (($ENV{'form.critmsg'}) && 
  582:           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
  583:          $r->print('Sending critical: '.
  584:                 &user_crit_msg($recuname,$recdomain,
  585:                                  $ENV{'form.subject'},
  586:                                  $msgtxt,
  587:                                  $content{'citation'}));
  588:       } else {
  589:          $r->print('Sending: '.&user_normal_msg($recuname,$recdomain,
  590:                                  $ENV{'form.subject'},
  591:                                  $msgtxt,
  592:                                  $content{'citation'}));
  593:       }
  594:       $r->print('<br>');
  595:     } keys %toaddr;
  596:       if ($ENV{'form.displayedcrit'}) {
  597:           &discrit($r);
  598:       } else {
  599: 	  &disall($r);
  600:       }
  601:   } else {
  602:       &disall($r);
  603:   }
  604:   $r->print('</body></html>');
  605:   return OK;
  606: 
  607: }
  608: # ================================================= Main program, reset counter
  609: 
  610: sub BEGIN {
  611:     $msgcount=0;
  612: }
  613: 
  614: 1;
  615: __END__
  616: 
  617: 
  618: 
  619: 
  620: 
  621: 
  622: