File:  [LON-CAPA] / loncom / interface / lonmsg.pm
Revision 1.10: download - view: text, annotated - select for diffs
Fri Jul 27 20:17:14 2001 UTC (22 years, 10 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- changed the put() and cput() calls
- updated all locations that used them
- changed lonnet::modifyuser() to use new get and put.

    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: 
   16: package Apache::lonmsg;
   17: 
   18: use strict;
   19: use Apache::lonnet();
   20: use vars qw($msgcount);
   21: use HTML::TokeParser;
   22: use Apache::Constants qw(:common);
   23: 
   24: # ===================================================================== Package
   25: 
   26: sub packagemsg {
   27:     my ($subject,$message,$citation)=@_;
   28:     $message=~s/\</\&lt\;/g;
   29:     $message=~s/\>/\&gt\;/g;
   30:     $citation=~s/\</\&lt\;/g;
   31:     $citation=~s/\>/\&gt\;/g;
   32:     $subject=~s/\</\&lt\;/g;
   33:     $subject=~s/\>/\&gt\;/g;
   34:     my $now=time;
   35:     $msgcount++;
   36:     my $partsubj=$subject;
   37:     $partsubj=&Apache::lonnet::escape($partsubj);
   38:     $partsubj=substr($partsubj,0,50);
   39:     my $msgid=&Apache::lonnet::escape(
   40:            $now.':'.$partsubj.':'.$ENV{'user.name'}.':'.
   41:            $ENV{'user.domain'}.':'.$msgcount.':'.$$);
   42:     return $msgid,
   43:            '<sendername>'.$ENV{'user.name'}.'</sendername>'.
   44:            '<senderdomain>'.$ENV{'user.domain'}.'</senderdomain>'.
   45:            '<subject>'.$subject.'</subject>'.
   46: 	   '<time>'.localtime($now).'</time>'.
   47: 	   '<servername>'.$ENV{'SERVER_NAME'}.'</servername>'.
   48:            '<host>'.$ENV{'HTTP_HOST'}.'</host>'.
   49: 	   '<client>'.$ENV{'REMOTE_ADDR'}.'</client>'.
   50: 	   '<browsertype>'.$ENV{'browser.type'}.'</browsertype>'.
   51: 	   '<browseros>'.$ENV{'browser.os'}.'</browseros>'.
   52: 	   '<browserversion>'.$ENV{'browser.version'}.'</browserversion>'.
   53:            '<browsermathml>'.$ENV{'browser.mathml'}.'</browsermathml>'.
   54: 	   '<browserraw>'.$ENV{'HTTP_USER_AGENT'}.'</browserraw>'.
   55: 	   '<courseid>'.$ENV{'request.course.id'}.'</courseid>'.
   56: 	   '<role>'.$ENV{'request.role'}.'</role>'.
   57: 	   '<resource>'.$ENV{'request.filename'}.'</resource>'.
   58:            '<msgid>'.$msgid.'</msgid>'.
   59: 	   '<message>'.$message.'</message>'.
   60: 	   '<citation>'.$citation.'</citation>';
   61: }
   62: 
   63: # ================================================== Unpack message into a hash
   64: 
   65: sub unpackagemsg {
   66:     my $message=shift;
   67:     my %content=();
   68:     my $parser=HTML::TokeParser->new(\$message);
   69:     my $token;
   70:     while ($token=$parser->get_token) {
   71:        if ($token->[0] eq 'S') {
   72: 	   my $entry=$token->[1];
   73:            my $value=$parser->get_text('/'.$entry);
   74:            $content{$entry}=$value;
   75:        }
   76:     }
   77:     return %content;
   78: }
   79: 
   80: # ======================================================= Get info out of msgid
   81: 
   82: sub unpackmsgid {
   83:     my $msgid=&Apache::lonnet::unescape(shift);
   84:     my ($sendtime,$shortsubj,$fromname,$fromdomain)=split(/\:/,
   85:                           &Apache::lonnet::unescape($msgid));
   86:     my %status=&Apache::lonnet::get('email_status',[$msgid]);
   87:     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
   88:     unless ($status{$msgid}) { $status{$msgid}='new'; }
   89:     return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid});
   90: } 
   91: 
   92: # =============================== Automated message to the author of a resource
   93: 
   94: sub author_res_msg {
   95:     my ($filename,$message)=@_;
   96:     unless ($message) { return 'empty'; }
   97:     $filename=&Apache::lonnet::declutter($filename);
   98:     my ($domain,$author,@dummy)=split(/\//,$filename);
   99:     my $homeserver=&Apache::lonnet::homeserver($author,$domain);
  100:     if ($homeserver ne 'no_host') {
  101:        my $id=unpack("%32C*",$message);
  102:        my $msgid;
  103:        ($msgid,$message)=&packagemsg($filename,$message);
  104:        return &Apache::lonnet::reply('put:'.$domain.':'.$author.
  105:          ':nohist_res_msgs:'.
  106:           &Apache::lonnet::escape($filename.'_'.$id).'='.
  107:           &Apache::lonnet::escape($message),$homeserver);
  108:     }
  109:     return 'no_host';
  110: }
  111: 
  112: # ================================================== Critical message to a user
  113: 
  114: sub user_crit_msg {
  115:     my ($user,$domain,$subject,$message)=@_;
  116: # Check if allowed missing
  117:     my $status='';
  118:     my $msgid='undefined';
  119:     unless (($message)&&($user)&&($domain)) { $status='empty'; };
  120:     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
  121:     if ($homeserver ne 'no_host') {
  122:        my $msgid;
  123:        ($msgid,$message)=&packagemsg($subject,$message);
  124:        $status=&Apache::lonnet::critical(
  125:            'put:'.$domain.':'.$user.':critical:'.
  126:            &Apache::lonnet::escape($msgid).'='.
  127:            &Apache::lonnet::escape($message),$homeserver);
  128:     } else {
  129:        $status='no_host';
  130:     }
  131:     &Apache::lonnet::logthis(
  132:       'Sending critical email '.$msgid.
  133:       ', log status: '.
  134:       &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  135:                          $ENV{'user.home'},
  136:       'Sending critical '.$msgid.' to '.$user.' at '.$domain.' with status: '
  137:       .$status));
  138:     return $status;
  139: }
  140: 
  141: # =================================================== Critical message received
  142: 
  143: sub user_crit_received {
  144:     my $message=shift;
  145:     my %contents=&unpackagemsg($message);
  146:     my $status='rec: '.
  147:      &user_normal_msg($contents{'sendername'},$contents{'senderdomain'},
  148:                      'Receipt: '.$ENV{'user.name'}.' at '.$ENV{'user.domain'},
  149:                      'User '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  150:                      ' acknowledged receipt of message "'.
  151:                      $contents{'subject'}.'" dated '.$contents{'time'}.".\n\n"
  152:                      .'Message ID: '.$contents{'msgid'});
  153:     $status.=' trans: '.
  154:      &Apache::lonnet::put('nohist_email',{$contents{'msgid'} => $message});
  155:     $status.=' del: '.
  156:      &Apache::lonnet::del('critical',[$contents{'msgid'}]);
  157:     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  158:                          $ENV{'user.home'},'Received critical message '.
  159:                          $contents{'msgid'}.
  160:                          ', '.$status);
  161: }
  162: 
  163: # ======================================================== Normal communication
  164: 
  165: sub user_normal_msg {
  166:     my ($user,$domain,$subject,$message,$citation)=@_;
  167: # Check if allowed missing
  168:     my $status='';
  169:     my $msgid='undefined';
  170:     unless (($message)&&($user)&&($domain)) { $status='empty'; };
  171:     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
  172:     if ($homeserver ne 'no_host') {
  173:        my $msgid;
  174:        ($msgid,$message)=&packagemsg($subject,$message,$citation);
  175:        $status=&Apache::lonnet::critical(
  176:            'put:'.$domain.':'.$user.':nohist_email:'.
  177:            &Apache::lonnet::escape($msgid).'='.
  178:            &Apache::lonnet::escape($message),$homeserver);
  179:     } else {
  180:        $status='no_host';
  181:     }
  182:     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
  183:                          $ENV{'user.home'},
  184:       'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);
  185:     return $status;
  186: }
  187: 
  188: # =============================================================== Status Change
  189: 
  190: sub statuschange {
  191:     my ($msgid,$newstatus)=@_;
  192:     my %status=&Apache::lonnet::get('email_status',[$msgid]);
  193:     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
  194:     unless ($status{$msgid}) { $status{$msgid}='new'; }
  195:     unless (($status{$msgid} eq 'replied') || 
  196:             ($status{$msgid} eq 'forwarded')) {
  197: 	&Apache::lonnet::put('email_status',{$msgid => $newstatus});
  198:     }
  199: }
  200: # ===================================================================== Handler
  201: 
  202: sub handler {
  203:     my $r=shift;
  204: 
  205: # ----------------------------------------------------------- Set document type
  206: 
  207:   $r->content_type('text/html');
  208:   $r->send_http_header;
  209: 
  210:   return OK if $r->header_only;
  211: 
  212: # --------------------------- Get query string for limited number of parameters
  213: 
  214:     map {
  215:        my ($name, $value) = split(/=/,$_);
  216:        $value =~ tr/+/ /;
  217:        $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
  218:        if (($name eq 'display') || ($name eq 'replyto') || 
  219:            ($name eq 'forward') || ($name eq 'mark') ||
  220:            ($name eq 'sendreply')) {
  221:            unless ($ENV{'form.'.$name}) {
  222:               $ENV{'form.'.$name}=$value;
  223: 	   }
  224:        }
  225:     } (split(/&/,$ENV{'QUERY_STRING'}));
  226: 
  227: # --------------------------------------------------------------- Render Output
  228:   
  229:   $r->print('<html><head><title>EMail and Messaging</title></head>');
  230:   $r->print(
  231:    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
  232:   $r->print('<h1>EMail</h1>');
  233:   if ($ENV{'form.display'}) {
  234:       my $msgid=$ENV{'form.display'};
  235:       &statuschange($msgid,'read');
  236:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  237:       my %content=&unpackagemsg($message{$msgid});
  238:       $r->print('<b>Subject:</b> '.$content{'subject'}.
  239:              '<br><b>From:</b> '.$content{'sendername'}.' at '.
  240:                                  $content{'senderdomain'}.
  241:              '<br><b>Time:</b> '.$content{'time'}.'<hr>Functions: '.
  242:              '<a href="/adm/email?replyto='.&Apache::lonnet::escape($msgid).
  243:              '"><b>Reply</b></a><hr><pre>'.
  244:              $content{'message'}.'</pre><hr>'.$content{'citation'});
  245:   } elsif ($ENV{'form.replyto'}) {
  246:       my $msgid=$ENV{'form.replyto'};
  247:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  248:       my %content=&unpackagemsg($message{$msgid});
  249:       my $quotemsg='> '.$content{'message'};
  250:       $quotemsg=~s/\r/\n/g;
  251:       $quotemsg=~s/\f/\n/g;
  252:       $quotemsg=~s/\n+/\n\> /g;
  253:       my $subject='Re: '.$content{'subject'};
  254:       $r->print(<<"ENDREPLY");
  255: <form action="/adm/email" method=post>
  256: <input type=hidden name=sendreply value="$msgid">
  257: Subject: <input type=text size=50 name=subject value="$subject"><p>
  258: <textarea name=message cols=60 rows=10>
  259: $quotemsg
  260: </textarea><p>
  261: <input type=submit value="Send Reply">
  262: </form>
  263: ENDREPLY
  264:   } elsif ($ENV{'form.sendreply'}) {
  265:       my $msgid=$ENV{'form.sendreply'};
  266:       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
  267:       my %content=&unpackagemsg($message{$msgid});
  268:       &statuschange($msgid,'replied');
  269:       $r->print('Sending: '.&user_normal_msg($content{'sendername'},
  270:                                  $content{'senderdomain'},
  271:                                  $ENV{'form.subject'},
  272:                                  $ENV{'form.message'}));
  273:   } elsif ($ENV{'form.forward'}) {
  274:   } elsif ($ENV{'form.mark'}) {
  275:   } else {
  276:     $r->print('<table border=2><tr><th>&nbsp</th><th>Date</th>'.
  277:      '<th>Username</th><th>Domain</th><th>Subject</th><th>Status</th></tr>');
  278:     map {
  279:         my ($sendtime,$shortsubj,$fromname,$fromdomain,$status)=
  280: 	    &Apache::lonmsg::unpackmsgid($_);
  281:         if ($status eq 'new') {
  282: 	    $r->print('<tr bgcolor="#FFBB77">');
  283:         } elsif ($status eq 'read') {
  284: 	    $r->print('<tr bgcolor="#BBBB77">');
  285:         } elsif ($status eq 'replied') {
  286: 	    $r->print('<tr bgcolor="#AAAA88">');
  287: 	} else {
  288: 	    $r->print('<tr bgcolor="#99BBBB">');
  289:         }
  290:         $r->print('<td><a href="/adm/email?display='.$_.
  291:                   '">Open</a></td><td>'.localtime($sendtime).'</td><td>'.
  292:                   $fromname.'</td><td>'.$fromdomain.'</td><td>'.
  293: 		      &Apache::lonnet::unescape($shortsubj).'</td><td>'.
  294:                       $status.'</td></tr>');
  295:     } sort split(/\&/,&Apache::lonnet::reply('keys:'.
  296: 					$ENV{'user.domain'}.':'.
  297:                                         $ENV{'user.name'}.':nohist_email',
  298:                                         $ENV{'user.home'}));
  299:     $r->print('</table></body></html>');
  300: 
  301:   }
  302:   $r->print('</body></html>');
  303:   return OK;
  304: 
  305: }
  306: # ================================================= Main program, reset counter
  307: 
  308: sub BEGIN {
  309:     $msgcount=0;
  310: }
  311: 
  312: 1;
  313: __END__
  314: 
  315: 
  316: 
  317: 
  318: 
  319: 
  320: 

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