Annotation of loncom/interface/lonpreferences.pm, revision 1.33
1.1 www 1: # The LearningOnline Network
2: # Preferences
3: #
1.33 ! www 4: # $Id: lonpreferences.pm,v 1.32 2003/11/07 23:22:21 www Exp $
1.2 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: #
1.1 www 28: # (Internal Server Error Handler
29: #
30: # (Login Screen
31: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
32: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
33: #
34: # 3/1/1 Gerd Kortemeyer)
35: #
36: # 3/1 Gerd Kortemeyer
37: #
1.3 matthew 38: # 2/13/02 2/14 2/15 Matthew Hall
39: #
40: # This package uses the "londes.js" javascript code.
41: #
42: # TODOs that have to be completed:
43: # interface with lonnet to change the password
44:
1.1 www 45: package Apache::lonpreferences;
46:
47: use strict;
48: use Apache::Constants qw(:common);
1.3 matthew 49: use Apache::File;
50: use Crypt::DES;
51: use DynaLoader; # for Crypt::DES version
1.4 matthew 52: use Apache::loncommon();
1.23 matthew 53: use Apache::lonhtmlcommon();
1.32 www 54: use Apache::lonlocal;
1.3 matthew 55:
56: #
57: # Write lonnet::passwd to do the call below.
58: # Use:
59: # my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver);
60: #
61: ##################################################
62: # password associated functions #
63: ##################################################
64: sub des_keys {
1.4 matthew 65: # Make a new key for DES encryption.
66: # Each key has two parts which are returned seperately.
67: # Please note: Each key must be passed through the &hex function
68: # before it is output to the web browser. The hex versions cannot
69: # be used to decrypt.
1.3 matthew 70: my @hexstr=('0','1','2','3','4','5','6','7',
71: '8','9','a','b','c','d','e','f');
72: my $lkey='';
73: for (0..7) {
74: $lkey.=$hexstr[rand(15)];
75: }
76: my $ukey='';
77: for (0..7) {
78: $ukey.=$hexstr[rand(15)];
79: }
80: return ($lkey,$ukey);
81: }
82:
83: sub des_decrypt {
84: my ($key,$cyphertext) = @_;
85: my $keybin=pack("H16",$key);
86: my $cypher;
87: if ($Crypt::DES::VERSION>=2.03) {
88: $cypher=new Crypt::DES $keybin;
89: } else {
90: $cypher=new DES $keybin;
91: }
92: my $plaintext=
93: $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16))));
94: $plaintext.=
95: $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16))));
1.4 matthew 96: $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) );
1.3 matthew 97: return $plaintext;
98: }
99:
1.4 matthew 100: ################################################################
101: # Handler subroutines #
102: ################################################################
1.9 matthew 103:
104: ################################################################
1.28 www 105: # Language Change Subroutines #
106: ################################################################
107: sub languagechanger {
108: my $r = shift;
109: my $user = $ENV{'user.name'};
110: my $domain = $ENV{'user.domain'};
111: my %userenv = &Apache::lonnet::get
1.32 www 112: ('environment',['languages']);
1.29 www 113: my $language=$userenv{'languages'};
1.32 www 114:
1.28 www 115: my $bodytag=&Apache::loncommon::bodytag(
116: 'Change Your Language Preferences');
1.33 ! www 117: my $pref=&mt('Preferred language');
! 118: my %langchoices=('' => 'No language preference');
! 119: foreach (&Apache::loncommon::languageids()) {
! 120: if (&Apache::loncommon::supportedlanguagecode($_)) {
! 121: $langchoices{&Apache::loncommon::supportedlanguagecode($_)}
! 122: = &Apache::loncommon::plainlanguagedescription($_);
! 123: }
! 124: }
! 125: my $selectionbox=&Apache::loncommon::select_form($language,'language',
! 126: %langchoices);
1.28 www 127: $r->print(<<ENDLSCREEN);
128: <html>
129: $bodytag
130:
131: <form name="server" action="/adm/preferences" method="post">
132: <input type="hidden" name="action" value="verify_and_change_languages" />
1.33 ! www 133: <br />$pref: $selectionbox
1.28 www 134: ENDLSCREEN
1.32 www 135: $r->print('<br /><input type="submit" value="'.&mt('Change').'" /></form></body></html>');
1.28 www 136: }
137:
138:
139: sub verify_and_change_languages {
140: my $r = shift;
141: my $user = $ENV{'user.name'};
142: my $domain = $ENV{'user.domain'};
143: # Screenname
144: my $newlanguage = $ENV{'form.language'};
145: $newlanguage=~s/[^\-\w]//g;
146: my $message='';
147: if ($newlanguage) {
1.29 www 148: &Apache::lonnet::put('environment',{'languages' => $newlanguage});
149: &Apache::lonnet::appenv('environment.languages' => $newlanguage);
150: $message='Set new preferred languages to '.$newlanguage;
1.28 www 151: } else {
1.29 www 152: &Apache::lonnet::del('environment',['languages']);
153: &Apache::lonnet::delenv('environment\.languages');
1.28 www 154: $message='Reset preferred language';
155: }
156: my $bodytag=&Apache::loncommon::bodytag(
157: 'Change Your Language Preferences');
158: $r->print(<<ENDVCSCREEN);
159: <html>
160: $bodytag
161: </p>
162: $message
163: </body></html>
164: ENDVCSCREEN
165: }
166:
167:
168: ################################################################
1.9 matthew 169: # Anonymous Discussion Name Change Subroutines #
170: ################################################################
1.5 www 171: sub screennamechanger {
172: my $r = shift;
173: my $user = $ENV{'user.name'};
174: my $domain = $ENV{'user.domain'};
1.14 www 175: my %userenv = &Apache::lonnet::get
176: ('environment',['screenname','nickname']);
1.6 www 177: my $screenname=$userenv{'screenname'};
1.14 www 178: my $nickname=$userenv{'nickname'};
1.10 www 179: my $bodytag=&Apache::loncommon::bodytag(
1.14 www 180: 'Change Your Nickname and Anonymous Screen Name');
1.5 www 181: $r->print(<<ENDSCREEN);
182: <html>
1.10 www 183: $bodytag
184:
1.6 www 185: <form name="server" action="/adm/preferences" method="post">
186: <input type="hidden" name="action" value="verify_and_change_screenname" />
1.14 www 187: <br />New screenname (shown if you post anonymously):
1.6 www 188: <input type="text" size="20" value="$screenname" name="screenname" />
1.14 www 189: <br />New nickname (shown if you post non-anonymously):
190: <input type="text" size="20" value="$nickname" name="nickname" />
1.6 www 191: <input type="submit" value="Change" />
192: </form>
1.5 www 193: </body>
194: </html>
195: ENDSCREEN
196: }
1.6 www 197:
198: sub verify_and_change_screenname {
199: my $r = shift;
200: my $user = $ENV{'user.name'};
201: my $domain = $ENV{'user.domain'};
1.14 www 202: # Screenname
1.6 www 203: my $newscreen = $ENV{'form.screenname'};
1.14 www 204: $newscreen=~s/[^ \w]//g;
1.6 www 205: my $message='';
206: if ($newscreen) {
1.7 www 207: &Apache::lonnet::put('environment',{'screenname' => $newscreen});
208: &Apache::lonnet::appenv('environment.screenname' => $newscreen);
1.6 www 209: $message='Set new screenname to '.$newscreen;
210: } else {
211: &Apache::lonnet::del('environment',['screenname']);
1.7 www 212: &Apache::lonnet::delenv('environment\.screenname');
1.6 www 213: $message='Reset screenname';
214: }
1.14 www 215: # Nickname
216: $message.='<br />';
1.17 matthew 217: $newscreen = $ENV{'form.nickname'};
1.14 www 218: $newscreen=~s/[^ \w]//g;
219: if ($newscreen) {
220: &Apache::lonnet::put('environment',{'nickname' => $newscreen});
221: &Apache::lonnet::appenv('environment.nickname' => $newscreen);
222: $message.='Set new nickname to '.$newscreen;
223: } else {
224: &Apache::lonnet::del('environment',['nickname']);
225: &Apache::lonnet::delenv('environment\.nickname');
226: $message.='Reset nickname';
227: }
228:
1.10 www 229: my $bodytag=&Apache::loncommon::bodytag(
1.14 www 230: 'Change Your Nickname and Anonymous Screen Name');
1.6 www 231: $r->print(<<ENDVCSCREEN);
232: <html>
1.10 www 233: $bodytag
1.6 www 234: </p>
235: $message
236: </body></html>
237: ENDVCSCREEN
1.20 www 238: }
239:
240: ################################################################
241: # Message Forward #
242: ################################################################
243:
244: sub msgforwardchanger {
245: my $r = shift;
246: my $user = $ENV{'user.name'};
247: my $domain = $ENV{'user.domain'};
1.26 www 248: my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']);
1.20 www 249: my $msgforward=$userenv{'msgforward'};
250: my $notification=$userenv{'notification'};
251: my $critnotification=$userenv{'critnotification'};
252: my $bodytag=&Apache::loncommon::bodytag(
253: 'Change Your Message Forwarding and Notification');
1.25 bowersj2 254: my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding",
255: "What are forwarding ".
256: "and notification ".
257: "addresses");
1.27 bowersj2 258: my $criticalMessageHelp = Apache::loncommon::help_open_topic("Course_Critical_Message",
259: "What are critical messages");
260:
1.20 www 261: $r->print(<<ENDMSG);
262: <html>
263: $bodytag
1.25 bowersj2 264: $forwardingHelp <br />
1.20 www 265: <form name="server" action="/adm/preferences" method="post">
266: <input type="hidden" name="action" value="verify_and_change_msgforward" />
267: New Forwarding Address(es) (<tt>user:domain,user:domain,...</tt>):
268: <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />
269: New Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):
270: <input type="text" size="40" value="$notification" name="notification" /><hr />
271: New Critical Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):
1.27 bowersj2 272: <input type="text" size="40" value="$critnotification" name="critnotification" />$criticalMessageHelp<hr />
1.20 www 273: <input type="submit" value="Change" />
274: </form>
275: </body>
276: </html>
277: ENDMSG
278: }
279:
280: sub verify_and_change_msgforward {
281: my $r = shift;
282: my $user = $ENV{'user.name'};
283: my $domain = $ENV{'user.domain'};
284: my $newscreen = '';
285: my $message='';
286: foreach (split(/\,/,$ENV{'form.msgforward'})) {
287: my ($msuser,$msdomain)=split(/[\@\:]/,$_);
288: $msuser=~s/\W//g;
289: $msdomain=~s/\W//g;
290: if (($msuser) && ($msdomain)) {
291: if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {
292: $newscreen.=$msuser.':'.$msdomain.',';
293: } else {
294: $message.='No such user: '.$msuser.':'.$msdomain.'<br>';
295: }
296: }
297: }
298: $newscreen=~s/\,$//;
299: if ($newscreen) {
300: &Apache::lonnet::put('environment',{'msgforward' => $newscreen});
301: &Apache::lonnet::appenv('environment.msgforward' => $newscreen);
302: $message.='Set new message forwarding to '.$newscreen.'<br />';
303: } else {
304: &Apache::lonnet::del('environment',['msgforward']);
305: &Apache::lonnet::delenv('environment\.msgforward');
306: $message.='Reset message forwarding<br />';
307: }
308: my $notification=$ENV{'form.notification'};
309: $notification=~s/\s//gs;
310: if ($notification) {
311: &Apache::lonnet::put('environment',{'notification' => $notification});
312: &Apache::lonnet::appenv('environment.notification' => $notification);
313: $message.='Set message notification address to '.$notification.'<br />';
314: } else {
315: &Apache::lonnet::del('environment',['notification']);
316: &Apache::lonnet::delenv('environment\.notification');
317: $message.='Reset message notification<br />';
318: }
319: my $critnotification=$ENV{'form.critnotification'};
320: $critnotification=~s/\s//gs;
321: if ($critnotification) {
322: &Apache::lonnet::put('environment',{'critnotification' => $critnotification});
323: &Apache::lonnet::appenv('environment.critnotification' => $critnotification);
324: $message.='Set critical message notification address to '.$critnotification;
325: } else {
326: &Apache::lonnet::del('environment',['critnotification']);
327: &Apache::lonnet::delenv('environment\.critnotification');
328: $message.='Reset critical message notification<br />';
329: }
330: my $bodytag=&Apache::loncommon::bodytag(
331: 'Change Your Message Forwarding and Notifications');
332: $r->print(<<ENDVCMSG);
333: <html>
334: $bodytag
335: </p>
336: $message
337: </body></html>
338: ENDVCMSG
1.6 www 339: }
340:
1.12 www 341: ################################################################
1.19 www 342: # Colors #
1.12 www 343: ################################################################
344:
1.19 www 345: sub colorschanger {
1.12 www 346: my $r = shift;
347: my $bodytag=&Apache::loncommon::bodytag(
1.21 www 348: 'Change Color Scheme for Current Role Type','',
349: 'onUnload="pclose();"');
1.19 www 350: # figure out colors
351: my $function='student';
352: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
353: $function='coordinator';
354: }
355: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
356: $function='admin';
357: }
358: if (($ENV{'request.role'}=~/^(au|ca)/) ||
359: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
360: $function='author';
361: }
362: my $domain=&Apache::loncommon::determinedomain();
363: my %colortypes=('pgbg' => 'Page Background',
364: 'tabbg' => 'Header Background',
365: 'sidebg'=> 'Header Border',
366: 'font' => 'Font',
367: 'link' => 'Un-Visited Link',
368: 'vlink' => 'Visited Link',
369: 'alink' => 'Active Link');
370: my $chtable='';
1.22 matthew 371: foreach my $item (sort(keys(%colortypes))) {
1.19 www 372: my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);
373: $chtable.='<tr><td>'.$colortypes{$item}.'</td><td bgcolor="'.$curcol.
374: '"> </td><td><input name="'.$item.
1.21 www 375: '" size="10" value="'.$curcol.
376: '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.
1.19 www 377: "','".$curcol."','"
1.21 www 378: .$item."','parmform.pres','psub'".');">Select</a></td></tr>';
1.19 www 379: }
1.23 matthew 380: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
1.19 www 381: $r->print(<<ENDCOL);
1.12 www 382: <html>
1.19 www 383: <script>
384:
385: function pclose() {
386: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
387: "height=350,width=350,scrollbars=no,menubar=no");
388: parmwin.close();
389: }
390:
1.23 matthew 391: $pjump_def
1.19 www 392:
393: function psub() {
394: pclose();
395: if (document.parmform.pres_marker.value!='') {
1.21 www 396: if (document.parmform.pres_type.value!='') {
397: eval('document.server.'+
398: document.parmform.pres_marker.value+
1.19 www 399: '.value=document.parmform.pres_value.value;');
1.21 www 400: }
1.19 www 401: } else {
402: document.parmform.pres_value.value='';
403: document.parmform.pres_marker.value='';
404: }
405: }
406:
407:
408: </script>
1.12 www 409: $bodytag
1.21 www 410: <form name="parmform">
411: <input type="hidden" name="pres_marker" />
412: <input type="hidden" name="pres_type" />
413: <input type="hidden" name="pres_value" />
414: </form>
1.12 www 415: <form name="server" action="/adm/preferences" method="post">
1.19 www 416: <input type="hidden" name="action" value="verify_and_change_colors" />
417: <table border="2">
418: $chtable
419: </table>
1.21 www 420: <input type="submit" value="Change Custom Colors" />
421: <input type="submit" name="resetall" value="Reset All Colors to Default" />
1.12 www 422: </form>
423: </body>
424: </html>
1.19 www 425: ENDCOL
1.12 www 426: }
427:
1.19 www 428: sub verify_and_change_colors {
1.12 www 429: my $r = shift;
1.19 www 430: # figure out colors
431: my $function='student';
432: if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
433: $function='coordinator';
434: }
435: if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {
436: $function='admin';
437: }
438: if (($ENV{'request.role'}=~/^(au|ca)/) ||
439: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
440: $function='author';
441: }
442: my $domain=&Apache::loncommon::determinedomain();
443: my %colortypes=('pgbg' => 'Page Background',
444: 'tabbg' => 'Header Background',
445: 'sidebg'=> 'Header Border',
446: 'font' => 'Font',
447: 'link' => 'Un-Visited Link',
448: 'vlink' => 'Visited Link',
449: 'alink' => 'Active Link');
450:
1.12 www 451: my $message='';
1.21 www 452: foreach my $item (keys %colortypes) {
453: my $color=$ENV{'form.'.$item};
454: my $entry='color.'.$function.'.'.$item;
455: if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$ENV{'form.resetall'})) {
456: &Apache::lonnet::put('environment',{$entry => $color});
457: &Apache::lonnet::appenv('environment.'.$entry => $color);
458: $message.='Set '.$colortypes{$item}.' to '.$color.'<br />';
459: } else {
460: &Apache::lonnet::del('environment',[$entry]);
461: &Apache::lonnet::delenv('environment\.'.$entry);
462: $message.='Reset '.$colortypes{$item}.'<br />';
463: }
464: }
1.12 www 465: my $bodytag=&Apache::loncommon::bodytag(
1.19 www 466: 'Change Color Scheme for Current Role Type');
467: $r->print(<<ENDVCCOL);
1.12 www 468: <html>
469: $bodytag
470: </p>
471: $message
1.21 www 472: <form name="client" action="/adm/preferences" method="post">
473: <input type="hidden" name="action" value="changecolors" />
474: <input type="submit" value="Revise color scheme again" />
475: </form>
1.12 www 476: </body></html>
1.19 www 477: ENDVCCOL
1.12 www 478: }
479:
1.4 matthew 480: ######################################################
481: # password handler subroutines #
482: ######################################################
1.3 matthew 483: sub passwordchanger {
1.4 matthew 484: # This function is a bit of a mess....
1.3 matthew 485: # Passwords are encrypted using londes.js (DES encryption)
486: my $r = shift;
1.4 matthew 487: my $errormessage = shift;
488: $errormessage = ($errormessage || '');
1.3 matthew 489: my $user = $ENV{'user.name'};
490: my $domain = $ENV{'user.domain'};
491: my $homeserver = $ENV{'user.home'};
492: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
493: # Check for authentication types that allow changing of the password.
494: return if ($currentauth !~ /^(unix|internal):/);
495: #
496: # Generate keys
497: my ($lkey_cpass ,$ukey_cpass ) = &des_keys();
498: my ($lkey_npass1,$ukey_npass1) = &des_keys();
499: my ($lkey_npass2,$ukey_npass2) = &des_keys();
1.4 matthew 500: # Store the keys in the log files
1.3 matthew 501: my $lonhost = $r->dir_config('lonHostID');
502: my $logtoken=Apache::lonnet::reply('tmpput:'
503: .$ukey_cpass . $lkey_cpass .'&'
504: .$ukey_npass1 . $lkey_npass1.'&'
505: .$ukey_npass2 . $lkey_npass2,
506: $lonhost);
1.4 matthew 507: # Hexify the keys for output as javascript variables
1.3 matthew 508: $ukey_cpass = hex($ukey_cpass);
509: $lkey_cpass = hex($lkey_cpass);
510: $ukey_npass1= hex($ukey_npass1);
511: $lkey_npass1= hex($lkey_npass1);
512: $ukey_npass2= hex($ukey_npass2);
513: $lkey_npass2= hex($lkey_npass2);
514: # Output javascript to deal with passwords
1.4 matthew 515: # Output DES javascript
1.9 matthew 516: $r->print("<html><head>");
1.3 matthew 517: {
518: my $include = $r->dir_config('lonIncludes');
519: my $jsh=Apache::File->new($include."/londes.js");
520: $r->print(<$jsh>);
521: }
1.10 www 522: my $bodytag=&Apache::loncommon::bodytag('Change Password','',
523: 'onLoad="init();"');
1.3 matthew 524: $r->print(<<ENDFORM);
1.9 matthew 525: </head>
1.10 www 526: $bodytag
1.1 www 527:
1.3 matthew 528: <script language="JavaScript">
529:
530: function send() {
531: uextkey=this.document.client.elements.ukey_cpass.value;
532: lextkey=this.document.client.elements.lkey_cpass.value;
533: initkeys();
534:
535: this.document.server.elements.currentpass.value
536: =crypted(this.document.client.elements.currentpass.value);
537:
538: uextkey=this.document.client.elements.ukey_npass1.value;
539: lextkey=this.document.client.elements.lkey_npass1.value;
540: initkeys();
541: this.document.server.elements.newpass_1.value
542: =crypted(this.document.client.elements.newpass_1.value);
543:
544: uextkey=this.document.client.elements.ukey_npass2.value;
545: lextkey=this.document.client.elements.lkey_npass2.value;
546: initkeys();
547: this.document.server.elements.newpass_2.value
548: =crypted(this.document.client.elements.newpass_2.value);
549:
550: this.document.server.submit();
551: }
552:
553: </script>
1.4 matthew 554: $errormessage
1.10 www 555:
1.3 matthew 556: <p>
557: <!-- We seperate the forms into 'server' and 'client' in order to
558: ensure that unencrypted passwords will not be sent out by a
559: crappy browser -->
560:
561: <form name="server" action="/adm/preferences" method="post">
562: <input type="hidden" name="logtoken" value="$logtoken" />
563: <input type="hidden" name="action" value="verify_and_change_pass" />
564: <input type="hidden" name="currentpass" value="" />
1.4 matthew 565: <input type="hidden" name="newpass_1" value="" />
566: <input type="hidden" name="newpass_2" value="" />
1.3 matthew 567: </form>
568:
569: <form name="client" >
570: <table>
1.4 matthew 571: <tr><td align="right"> Current password: </td>
572: <td><input type="password" name="currentpass" size="10"/> </td></tr>
573: <tr><td align="right"> New password: </td>
574: <td><input type="password" name="newpass_1" size="10" /> </td></tr>
575: <tr><td align="right"> Confirm password: </td>
576: <td><input type="password" name="newpass_2" size="10" /> </td></tr>
1.3 matthew 577: <tr><td colspan="2" align="center">
578: <input type="button" value="Change Password" onClick="send();">
579: </table>
1.4 matthew 580: <input type="hidden" name="ukey_cpass" value="$ukey_cpass" />
581: <input type="hidden" name="lkey_cpass" value="$lkey_cpass" />
1.3 matthew 582: <input type="hidden" name="ukey_npass1" value="$ukey_npass1" />
583: <input type="hidden" name="lkey_npass1" value="$lkey_npass1" />
584: <input type="hidden" name="ukey_npass2" value="$ukey_npass2" />
585: <input type="hidden" name="lkey_npass2" value="$lkey_npass2" />
586: </form>
587: </p>
588: ENDFORM
589: #
590: return;
591: }
592:
593: sub verify_and_change_password {
594: my $r = shift;
595: my $user = $ENV{'user.name'};
596: my $domain = $ENV{'user.domain'};
597: my $homeserver = $ENV{'user.home'};
598: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
1.4 matthew 599: # Check for authentication types that allow changing of the password.
600: return if ($currentauth !~ /^(unix|internal):/);
1.3 matthew 601: #
1.4 matthew 602: $r->print(<<ENDHEADER);
603: <html>
604: <head>
605: <title>LON-CAPA Preferences: Change password for $user</title>
606: </head>
607: ENDHEADER
1.3 matthew 608: #
609: my $currentpass = $ENV{'form.currentpass'};
610: my $newpass1 = $ENV{'form.newpass_1'};
611: my $newpass2 = $ENV{'form.newpass_2'};
612: my $logtoken = $ENV{'form.logtoken'};
613: # Check for empty data
1.4 matthew 614: unless (defined($currentpass) &&
615: defined($newpass1) &&
616: defined($newpass2) ){
617: &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
618: "Password data was blank.\n</p>");
1.3 matthew 619: return;
620: }
1.16 albertel 621: # Get the keys
622: my $lonhost = $r->dir_config('lonHostID');
1.3 matthew 623: my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
624: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1.4 matthew 625: # I do not a have a better idea about how to handle this
1.3 matthew 626: $r->print(<<ENDERROR);
627: <p>
628: <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for
1.4 matthew 629: password decryption. Please log out and try again.
1.3 matthew 630: </p>
631: ENDERROR
1.4 matthew 632: # Probably should log an error here
1.3 matthew 633: return;
634: }
635: my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
1.4 matthew 636: #
1.17 matthew 637: $currentpass = &des_decrypt($ckey ,$currentpass);
638: $newpass1 = &des_decrypt($n1key,$newpass1);
639: $newpass2 = &des_decrypt($n2key,$newpass2);
1.4 matthew 640: #
1.3 matthew 641: if ($newpass1 ne $newpass2) {
1.4 matthew 642: &passwordchanger($r,
643: '<font color="#ff0000">ERROR:</font>'.
644: 'The new passwords you entered do not match. '.
645: 'Please try again.');
646: return;
647: }
648: if (length($newpass1) < 7) {
649: &passwordchanger($r,
650: '<font color="#ff0000">ERROR:</font>'.
651: 'Passwords must be a minimum of 7 characters long. '.
652: 'Please try again.');
1.3 matthew 653: return;
654: }
1.4 matthew 655: #
656: # Check for bad characters
657: my $badpassword = 0;
658: foreach (split(//,$newpass1)) {
659: $badpassword = 1 if ((ord($_)<32)||(ord($_)>126));
660: }
661: if ($badpassword) {
662: # I can't figure out how to enter bad characters on my browser.
663: &passwordchanger($r,<<ENDERROR);
664: <font color="#ff0000">ERROR:</font>
665: The password you entered contained illegal characters.<br />
666: Valid characters are: space and <br />
667: <pre>
668: !"\#$%&\'()*+,-./0123456789:;<=>?\@
669: ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
670: </pre>
671: ENDERROR
672: }
673: #
674: # Change the password (finally)
675: my $result = &Apache::lonnet::changepass
676: ($user,$domain,$currentpass,$newpass1,$homeserver);
677: # Inform the user the password has (not?) been changed
678: if ($result =~ /^ok$/) {
679: $r->print(<<"ENDTEXT");
1.9 matthew 680: <h2>The password for $user was successfully changed</h2>
1.4 matthew 681: ENDTEXT
682: } else {
683: # error error: run in circles, scream and shout
684: $r->print(<<ENDERROR);
1.9 matthew 685: <h2><font color="#ff0000">The password for $user was not changed</font></h2>
1.8 matthew 686: Please make sure your old password was entered correctly.
1.4 matthew 687: ENDERROR
688: }
689: return;
1.3 matthew 690: }
691:
1.4 matthew 692: ######################################################
693: # other handler subroutines #
694: ######################################################
695:
1.3 matthew 696: ################################################################
697: # Main handler #
698: ################################################################
1.1 www 699: sub handler {
700: my $r = shift;
1.3 matthew 701: my $user = $ENV{'user.name'};
702: my $domain = $ENV{'user.domain'};
1.31 www 703: &Apache::loncommon::content_type($r,'text/html');
1.4 matthew 704: # Some pages contain DES keys and should not be cached.
705: &Apache::loncommon::no_cache($r);
1.1 www 706: $r->send_http_header;
707: return OK if $r->header_only;
1.9 matthew 708: #
1.3 matthew 709: if ($ENV{'form.action'} eq 'changepass') {
710: &passwordchanger($r);
711: } elsif ($ENV{'form.action'} eq 'verify_and_change_pass') {
712: &verify_and_change_password($r);
1.5 www 713: } elsif ($ENV{'form.action'} eq 'changescreenname') {
714: &screennamechanger($r);
1.6 www 715: } elsif ($ENV{'form.action'} eq 'verify_and_change_screenname') {
716: &verify_and_change_screenname($r);
1.12 www 717: } elsif ($ENV{'form.action'} eq 'changemsgforward') {
718: &msgforwardchanger($r);
719: } elsif ($ENV{'form.action'} eq 'verify_and_change_msgforward') {
720: &verify_and_change_msgforward($r);
1.19 www 721: } elsif ($ENV{'form.action'} eq 'changecolors') {
722: &colorschanger($r);
723: } elsif ($ENV{'form.action'} eq 'verify_and_change_colors') {
724: &verify_and_change_colors($r);
1.28 www 725: } elsif ($ENV{'form.action'} eq 'changelanguages') {
726: &languagechanger($r);
727: } elsif ($ENV{'form.action'} eq 'verify_and_change_languages') {
728: &verify_and_change_languages($r);
1.15 albertel 729: } elsif ($ENV{'form.action'} eq 'debugtoggle') {
1.24 www 730: if (($ENV{'user.name'} eq 'albertel' ) ||
731: ($ENV{'user.name'} eq 'kortemey' ) ||
732: ($ENV{'user.name'} eq 'korte')) {
1.15 albertel 733: if ($ENV{'user.debug'}) {
734: &Apache::lonnet::delenv('user\.debug');
735: } else {
736: &Apache::lonnet::appenv('user.debug' => 1);
737: }
738: }
1.3 matthew 739: } else {
740: $r->print(<<ENDHEADER);
1.1 www 741: <html>
742: <head>
1.4 matthew 743: <title>LON-CAPA Preferences</title>
1.1 www 744: </head>
1.3 matthew 745: ENDHEADER
1.10 www 746: $r->print(&Apache::loncommon::bodytag('Change Your Preferences'));
1.3 matthew 747: # Determine current authentication method
748: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
749: if ($currentauth =~ /^(unix|internal):/) {
1.4 matthew 750: $r->print(<<ENDPASSWORDFORM);
751: <form name="client" action="/adm/preferences" method="post">
1.14 www 752: <input type="hidden" name="action" value="changepass" />
753: <input type="submit" value="Change password" />
1.4 matthew 754: </form>
755: ENDPASSWORDFORM
1.13 www 756: }
1.5 www 757: # Change screen name
758: $r->print(<<ENDSCREENNAMEFORM);
759: <form name="client" action="/adm/preferences" method="post">
1.14 www 760: <input type="hidden" name="action" value="changescreenname" />
761: <input type="submit"
762: value="Change nickname and anonymous discussion screen name" />
1.5 www 763: </form>
764: ENDSCREENNAMEFORM
1.12 www 765: $r->print(<<ENDMSGFORWARDFORM);
766: <form name="client" action="/adm/preferences" method="post">
1.14 www 767: <input type="hidden" name="action" value="changemsgforward" />
1.18 www 768: <input type="submit" value="Change message forwarding and notification addresses" />
1.12 www 769: </form>
770: ENDMSGFORWARDFORM
1.11 www 771: # The "about me" page
1.15 albertel 772: my $aboutmeaction=
773: '/adm/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/aboutme';
774: $r->print(<<ENDABOUTME);
1.11 www 775: <form name="client" action="$aboutmeaction" method="post">
1.14 www 776: <input type="hidden" name="action" value="changescreenname" />
1.19 www 777: <input type="submit" value="Edit the 'About Me' personal information screen" />
1.11 www 778: </form>
779: ENDABOUTME
1.19 www 780: $r->print(<<ENDCOLORFORM);
781: <form name="client" action="/adm/preferences" method="post">
782: <input type="hidden" name="action" value="changecolors" />
783: <input type="submit" value="Change color scheme" />
784: </form>
785: ENDCOLORFORM
1.28 www 786:
787: $r->print(<<ENDLANGUAGES);
788: <form name="client" action="/adm/preferences" method="post">
789: <input type="hidden" name="action" value="changelanguages" />
790: <input type="submit" value="Change language preferences" />
791: </form>
792: ENDLANGUAGES
1.19 www 793:
1.24 www 794: if (($ENV{'user.name'} eq 'albertel' ) ||
795: ($ENV{'user.name'} eq 'kortemey' ) ||
796: ($ENV{'user.name'} eq 'korte')) {
1.15 albertel 797: $r->print(<<ENDDEBUG);
798: <form name="client" action="/adm/preferences" method="post">
799: <input type="hidden" name="action" value="debugtoggle" />
800: <input type="submit" value="Toggle Debug" />
801: Current Debug status is -$ENV{'user.debug'}-.
802: </form>
803: ENDDEBUG
804: }
805: # Other preference setting code should be added here
1.3 matthew 806: }
807: $r->print(<<ENDFOOTER);
1.1 www 808: </body>
809: </html>
1.3 matthew 810: ENDFOOTER
1.1 www 811: return OK;
1.13 www 812: }
1.1 www 813:
814: 1;
815: __END__
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