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 Gerd Kortemeyer
17:
18: package Apache::lonmsg;
19:
20: use strict;
21: use Apache::lonnet();
22: use vars qw($msgcount);
23: use HTML::TokeParser;
24: use Apache::Constants qw(:common);
25:
26: # ===================================================================== Package
27:
28: sub packagemsg {
29: my ($subject,$message,$citation)=@_;
30: $message=~s/\</\<\;/g;
31: $message=~s/\>/\>\;/g;
32: $citation=~s/\</\<\;/g;
33: $citation=~s/\>/\>\;/g;
34: $subject=~s/\</\<\;/g;
35: $subject=~s/\>/\>\;/g;
36: my $now=time;
37: $msgcount++;
38: my $partsubj=$subject;
39: $partsubj=&Apache::lonnet::escape($partsubj);
40: $partsubj=substr($partsubj,0,50);
41: my $msgid=&Apache::lonnet::escape(
42: $now.':'.$partsubj.':'.$ENV{'user.name'}.':'.
43: $ENV{'user.domain'}.':'.$msgcount.':'.$$);
44: return $msgid,
45: '<sendername>'.$ENV{'user.name'}.'</sendername>'.
46: '<senderdomain>'.$ENV{'user.domain'}.'</senderdomain>'.
47: '<subject>'.$subject.'</subject>'.
48: '<time>'.localtime($now).'</time>'.
49: '<servername>'.$ENV{'SERVER_NAME'}.'</servername>'.
50: '<host>'.$ENV{'HTTP_HOST'}.'</host>'.
51: '<client>'.$ENV{'REMOTE_ADDR'}.'</client>'.
52: '<browsertype>'.$ENV{'browser.type'}.'</browsertype>'.
53: '<browseros>'.$ENV{'browser.os'}.'</browseros>'.
54: '<browserversion>'.$ENV{'browser.version'}.'</browserversion>'.
55: '<browsermathml>'.$ENV{'browser.mathml'}.'</browsermathml>'.
56: '<browserraw>'.$ENV{'HTTP_USER_AGENT'}.'</browserraw>'.
57: '<courseid>'.$ENV{'request.course.id'}.'</courseid>'.
58: '<role>'.$ENV{'request.role'}.'</role>'.
59: '<resource>'.$ENV{'request.filename'}.'</resource>'.
60: '<msgid>'.$msgid.'</msgid>'.
61: '<message>'.$message.'</message>'.
62: '<citation>'.$citation.'</citation>';
63: }
64:
65: # ================================================== Unpack message into a hash
66:
67: sub unpackagemsg {
68: my $message=shift;
69: my %content=();
70: my $parser=HTML::TokeParser->new(\$message);
71: my $token;
72: while ($token=$parser->get_token) {
73: if ($token->[0] eq 'S') {
74: my $entry=$token->[1];
75: my $value=$parser->get_text('/'.$entry);
76: $content{$entry}=$value;
77: }
78: }
79: return %content;
80: }
81:
82: # ======================================================= Get info out of msgid
83:
84: sub unpackmsgid {
85: my $msgid=&Apache::lonnet::unescape(shift);
86: my ($sendtime,$shortsubj,$fromname,$fromdomain)=split(/\:/,
87: &Apache::lonnet::unescape($msgid));
88: my %status=&Apache::lonnet::get('email_status',[$msgid]);
89: if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
90: unless ($status{$msgid}) { $status{$msgid}='new'; }
91: return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid});
92: }
93:
94: # =============================== Automated message to the author of a resource
95:
96: sub author_res_msg {
97: my ($filename,$message)=@_;
98: unless ($message) { return 'empty'; }
99: $filename=&Apache::lonnet::declutter($filename);
100: my ($domain,$author,@dummy)=split(/\//,$filename);
101: my $homeserver=&Apache::lonnet::homeserver($author,$domain);
102: if ($homeserver ne 'no_host') {
103: my $id=unpack("%32C*",$message);
104: my $msgid;
105: ($msgid,$message)=&packagemsg($filename,$message);
106: return &Apache::lonnet::reply('put:'.$domain.':'.$author.
107: ':nohist_res_msgs:'.
108: &Apache::lonnet::escape($filename.'_'.$id).'='.
109: &Apache::lonnet::escape($message),$homeserver);
110: }
111: return 'no_host';
112: }
113:
114: # ================================================== Critical message to a user
115:
116: sub user_crit_msg {
117: my ($user,$domain,$subject,$message)=@_;
118: # Check if allowed missing
119: my $status='';
120: my $msgid='undefined';
121: unless (($message)&&($user)&&($domain)) { $status='empty'; };
122: my $homeserver=&Apache::lonnet::homeserver($user,$domain);
123: if ($homeserver ne 'no_host') {
124: my $msgid;
125: ($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: my $msgid;
179: ($msgid,$message)=&packagemsg($subject,$message,$citation);
180: $status=&Apache::lonnet::critical(
181: 'put:'.$domain.':'.$user.':nohist_email:'.
182: &Apache::lonnet::escape($msgid).'='.
183: &Apache::lonnet::escape($message),$homeserver);
184: } else {
185: $status='no_host';
186: }
187: &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
188: $ENV{'user.home'},
189: 'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);
190: return $status;
191: }
192:
193: # =============================================================== Status Change
194:
195: sub statuschange {
196: my ($msgid,$newstatus)=@_;
197: my %status=&Apache::lonnet::get('email_status',[$msgid]);
198: if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
199: unless ($status{$msgid}) { $status{$msgid}='new'; }
200: unless (($status{$msgid} eq 'replied') ||
201: ($status{$msgid} eq 'forwarded')) {
202: &Apache::lonnet::put('email_status',{$msgid => $newstatus});
203: }
204: if (($newstatus eq 'deleted') || ($newstatus eq 'new')) {
205: &Apache::lonnet::put('email_status',{$msgid => $newstatus});
206: }
207: }
208:
209: # ======================================================= Display a course list
210:
211: sub discourse {
212: my $r=shift;
213: my %courselist=&Apache::lonnet::dump(
214: 'classlist',
215: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
216: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
217: my $now=time;
218: $r->print(<<ENDDISHEADER);
219: <input type=hidden name=sendmode value=group>
220: <script>
221: function checkall() {
222: for (i=0; i<document.forms.compemail.elements.length; i++) {
223: if
224: (document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
225: document.forms.compemail.elements[i].checked=true;
226: }
227: }
228: }
229:
230: function uncheckall() {
231: for (i=0; i<document.forms.compemail.elements.length; i++) {
232: if
233: (document.forms.compemail.elements[i].name.indexOf('send_to_')==0) {
234: document.forms.compemail.elements[i].checked=false;
235: }
236: }
237: }
238: </script>
239: <input type=button onClick="checkall()" value="Check for All">
240: <input type=button onClick="uncheckall()" value="Check for None">
241: <p>
242: ENDDISHEADER
243: map {
244: my ($end,$start)=split(/\:/,$courselist{$_});
245: my $active=1;
246: if (($end) && ($now>$end)) { $active=0; }
247: if ($active) {
248: my ($sname,$sdom)=split(/\:/,$_);
249: my %reply=&Apache::lonnet::get('environment',
250: ['firstname','middlename','lastname','generation'],
251: $sdom,$sname);
252: $r->print('<br><input type=checkbox name="send_to_'.$_.'"> '.
253: $reply{'firstname'}.' '.
254: $reply{'middlename'}.' '.
255: $reply{'lastname'}.' '.
256: $reply{'generation'}.
257: ' ('.$_.')');
258: }
259: } sort keys %courselist;
260: }
261:
262: # ==================================================== Display Critical Message
263:
264: sub discrit {
265: my $r=shift;
266: $r->print('<h1><font color=red>Critical Messages</font></h1>'.
267: '<form action=/adm/email method=post>'.
268: '<input type=hidden name=confirm value=true>');
269: my %what=&Apache::lonnet::dump('critical');
270: map {
271: my %content=&unpackagemsg($what{$_});
272: $content{'message'}=~s/\n/\<br\>/g;
273: $r->print('<hr>From: <b>'.$content{'sendername'}.'@'.
274: $content{'senderdomain'}.'</b> ('.$content{'time'}.
275: ')<br><blockquote>'.$content{'message'}.'</blockquote>'.
276: '<input type=submit name="rec_'.$_.'" value="Confirm Receipt">'.
277: '<input type=submit name="reprec_'.$_.'" value="Confirm Receipt and Reply">');
278: } sort keys %what;
279: $r->print(
280: '<input type=hidden name="displayedcrit" value="true"></form>');
281: }
282:
283: # =============================================================== Compose reply
284:
285: sub comprep {
286: my ($r,$msgid)=@_;
287: my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
288: my %content=&unpackagemsg($message{$msgid});
289: my $quotemsg='> '.$content{'message'};
290: $quotemsg=~s/\r/\n/g;
291: $quotemsg=~s/\f/\n/g;
292: $quotemsg=~s/\n+/\n\> /g;
293: my $subject='Re: '.$content{'subject'};
294: my $dispcrit='';
295: if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
296: $dispcrit=
297: '<input type=checkbox name=critmsg> Send as critical message<p>';
298: }
299: $r->print(<<"ENDREPLY");
300: <form action="/adm/email" method=post>
301: <input type=hidden name=sendreply value="$msgid">
302: Subject: <input type=text size=50 name=subject value="$subject"><p>
303: <textarea name=message cols=60 rows=10>
304: $quotemsg
305: </textarea><p>
306: $dispcrit
307: <input type=submit value="Send Reply">
308: </form>
309: ENDREPLY
310: }
311:
312: # ======================================================== Display all messages
313:
314: sub disall {
315: my $r=shift;
316: $r->print('<h1>Display All Messages</h1>'.
317: '<table border=2><tr><th colspan=2> </th><th>Date</th>'.
318: '<th>Username</th><th>Domain</th><th>Subject</th><th>Status</th></tr>');
319: map {
320: my ($sendtime,$shortsubj,$fromname,$fromdomain,$status)=
321: &Apache::lonmsg::unpackmsgid($_);
322: unless ($status eq 'deleted') {
323: if ($status eq 'new') {
324: $r->print('<tr bgcolor="#FFBB77">');
325: } elsif ($status eq 'read') {
326: $r->print('<tr bgcolor="#BBBB77">');
327: } elsif ($status eq 'replied') {
328: $r->print('<tr bgcolor="#AAAA88">');
329: } else {
330: $r->print('<tr bgcolor="#99BBBB">');
331: }
332: $r->print('<td><a href="/adm/email?display='.$_.
333: '">Open</a></td><td><a href="/adm/email?markdel='.$_.
334: '">Delete</a></td><td>'.localtime($sendtime).'</td><td>'.
335: $fromname.'</td><td>'.$fromdomain.'</td><td>'.
336: &Apache::lonnet::unescape($shortsubj).'</td><td>'.
337: $status.'</td></tr>');
338: }
339: } sort split(/\&/,&Apache::lonnet::reply('keys:'.
340: $ENV{'user.domain'}.':'.
341: $ENV{'user.name'}.':nohist_email',
342: $ENV{'user.home'}));
343: $r->print('</table></body></html>');
344: }
345:
346: # ============================================================== Compose output
347:
348: sub compout {
349: my ($r,$forwarding,$broadcast)=@_;
350: my $dispcrit='';
351: my $dissub='';
352: my $dismsg='';
353: my $func='Send New';
354: if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
355: $dispcrit=
356: '<input type=checkbox name=critmsg> Send as critical message<p>';
357: }
358: if ($forwarding) {
359: $dispcrit.='<input type=hidden name=forwid value="'.
360: $forwarding.'">';
361: $func='Forward';
362: my %message=&Apache::lonnet::get('nohist_email',[$forwarding]);
363: my %content=&unpackagemsg($message{$forwarding});
364:
365: $dissub='Forwarding: '.$content{'subject'};
366: $dismsg='Forwarded message from '.
367: $content{'sendername'}.' at '.$content{'senderdomain'};
368: }
369: my $defdom=$ENV{'user.domain'};
370: $r->print('<form action="/adm/email" name="compemail" method=post>'.
371: '<input type=hidden name=sendmail value=on><table>');
372: unless ($broadcast eq 'group') {
373: $r->print(<<"ENDREC");
374: <table>
375: <tr><td>Username:</td><td><input type=text size=12 name=recuname></td></tr>
376: <tr><td>Domain:</td>
377: <td><input type=text size=12 name=recdomain value="$defdom"></td></tr>
378: ENDREC
379: }
380: $r->print(<<"ENDCOMP");
381: <tr><td>Subject:</td><td><input type=text size=50 name=subject value="$dissub">
382: </td></tr></table>
383: <textarea name=message cols=60 rows=10>$dismsg
384: </textarea><p>
385: $dispcrit
386: <input type=submit value="$func Mail">
387: ENDCOMP
388: if ($broadcast eq 'group') {
389: &discourse;
390: }
391: $r->print('</form>');
392: }
393:
394: # ===================================================================== Handler
395:
396: sub handler {
397: my $r=shift;
398:
399: # ----------------------------------------------------------- Set document type
400:
401: $r->content_type('text/html');
402: $r->send_http_header;
403:
404: return OK if $r->header_only;
405:
406: # --------------------------- Get query string for limited number of parameters
407:
408: map {
409: my ($name, $value) = split(/=/,$_);
410: $value =~ tr/+/ /;
411: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
412: if (($name eq 'display') || ($name eq 'replyto') ||
413: ($name eq 'forward') || ($name eq 'markread') ||
414: ($name eq 'markdel') || ($name eq 'markunread') ||
415: ($name eq 'sendreply') || ($name eq 'compose') ||
416: ($name eq 'sendmail') || ($name eq 'critical')) {
417: unless ($ENV{'form.'.$name}) {
418: $ENV{'form.'.$name}=$value;
419: }
420: }
421: } (split(/&/,$ENV{'QUERY_STRING'}));
422:
423: # --------------------------------------------------------------- Render Output
424:
425: $r->print('<html><head><title>EMail and Messaging</title></head>');
426: $r->print(
427: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
428: $r->print('<h1>EMail</h1>');
429: if ($ENV{'form.display'}) {
430: my $msgid=$ENV{'form.display'};
431: &statuschange($msgid,'read');
432: my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
433: my %content=&unpackagemsg($message{$msgid});
434: $r->print('<b>Subject:</b> '.$content{'subject'}.
435: '<br><b>From:</b> '.$content{'sendername'}.' at '.
436: $content{'senderdomain'}.
437: '<br><b>Time:</b> '.$content{'time'}.'<p>'.
438: '<table border=2><tr bgcolor="#FFFFAA"><td>Functions:</td>'.
439: '<td><a href="/adm/email?replyto='.&Apache::lonnet::escape($msgid).
440: '"><b>Reply</b></a></td>'.
441: '<td><a href="/adm/email?forward='.&Apache::lonnet::escape($msgid).
442: '"><b>Forward</b></a></td>'.
443: '<td><a href="/adm/email?markunread='.&Apache::lonnet::escape($msgid).
444: '"><b>Mark Unread</b></a></td>'.
445: '<td><a href="/adm/email"><b>Display all Messages</b></a></td>'.
446: '</tr></table><p><pre>'.
447: $content{'message'}.'</pre><hr>'.$content{'citation'});
448: } elsif ($ENV{'form.replyto'}) {
449: &comprep($r,$ENV{'form.replyto'});
450: } elsif ($ENV{'form.sendreply'}) {
451: my $msgid=$ENV{'form.sendreply'};
452: my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
453: my %content=&unpackagemsg($message{$msgid});
454: &statuschange($msgid,'replied');
455: if (($ENV{'form.critmsg'}) &&
456: (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
457: $r->print('Sending critical: '.
458: &user_crit_msg($content{'sendername'},
459: $content{'senderdomain'},
460: $ENV{'form.subject'},
461: $ENV{'form.message'}));
462: } else {
463: $r->print('Sending: '.&user_normal_msg($content{'sendername'},
464: $content{'senderdomain'},
465: $ENV{'form.subject'},
466: $ENV{'form.message'}));
467: }
468: if ($ENV{'form.displayedcrit'}) {
469: &discrit($r);
470: } else {
471: &disall($r);
472: }
473: } elsif ($ENV{'form.confirm'}) {
474: map {
475: if ($_=~/^form\.rec\_(.*)$/) {
476: $r->print('<b>Confirming Receipt:</b> '.
477: &user_crit_received($1).'<br>');
478: }
479: if ($_=~/^form\.reprec\_(.*)$/) {
480: my $msgid=$1;
481: $r->print('<b>Confirming Receipt:</b> '.
482: &user_crit_received($msgid).'<br>');
483: &comprep($r,$msgid);
484: }
485: } keys %ENV;
486: &discrit($r);
487: } elsif ($ENV{'form.critical'}) {
488: &discrit($r);
489: } elsif ($ENV{'form.forward'}) {
490: &compout($r,$ENV{'form.forward'});
491: } elsif ($ENV{'form.markread'}) {
492: } elsif ($ENV{'form.markdel'}) {
493: &statuschange($ENV{'form.markdel'},'deleted');
494: &disall($r);
495: } elsif ($ENV{'form.markunread'}) {
496: &statuschange($ENV{'form.markunread'},'new');
497: &disall($r);
498: } elsif ($ENV{'form.compose'}) {
499: &compout($r,'',$ENV{'form.compose'});
500: } elsif ($ENV{'form.sendmail'}) {
501: my %content=();
502: undef %content;
503: if ($ENV{'form.forwid'}) {
504: my $msgid=$ENV{'form.forwid'};
505: my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
506: %content=&unpackagemsg($message{$msgid});
507: &statuschange($msgid,'forwarded');
508: $ENV{'form.message'}.="\n\n-- Forwarded message --\n\n".
509: $content{'message'};
510: }
511: my %toaddr=();
512: undef %toaddr;
513: if ($ENV{'form.sendmode'} eq 'group') {
514: map {
515: if ($_=~/^form\.send\_to\_(.+)$/) {
516: $toaddr{$1}=1;
517: }
518: } keys %ENV;
519: } else {
520: $toaddr{$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}}=1;
521: }
522: map {
523: my ($recuname,$recdomain)=split(/\:/,$_);
524: if (($ENV{'form.critmsg'}) &&
525: (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
526: $r->print('Sending critical: '.
527: &user_crit_msg($recuname,$recdomain,
528: $ENV{'form.subject'},
529: $ENV{'form.message'},
530: $content{'citation'}));
531: } else {
532: $r->print('Sending: '.&user_normal_msg($recuname,$recdomain,
533: $ENV{'form.subject'},
534: $ENV{'form.message'},
535: $content{'citation'}));
536: }
537: $r->print('<br>');
538: } keys %toaddr;
539: if ($ENV{'form.displayedcrit'}) {
540: &discrit($r);
541: } else {
542: &disall($r);
543: }
544: } else {
545: &disall($r);
546: }
547: $r->print('</body></html>');
548: return OK;
549:
550: }
551: # ================================================= Main program, reset counter
552:
553: sub BEGIN {
554: $msgcount=0;
555: }
556:
557: 1;
558: __END__
559:
560:
561:
562:
563:
564:
565:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonmsg.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface