loncom/interface/lonpreferences.pm - view

File: [LON-CAPA] / loncom / interface / lonpreferences.pm
Revision 1.33: download - view: text, annotated - select for diffs
Sat Nov 8 01:45:26 2003 UTC (20 years, 7 months ago) by www
Branches: MAIN
CVS tags: version_1_1_X, version_1_1_3, version_1_1_2, version_1_1_1, version_1_1_0, version_1_0_99_3, version_1_0_99_2, version_1_0_99_1, version_1_0_99, HEAD

Pulldown menu to select language preference.

1: # The LearningOnline Network 2: # Preferences 3: # 4: # $Id: lonpreferences.pm,v 1.33 2003/11/08 01:45:26 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: # (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: # 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: 45: package Apache::lonpreferences; 46: 47: use strict; 48: use Apache::Constants qw(:common); 49: use Apache::File; 50: use Crypt::DES; 51: use DynaLoader; # for Crypt::DES version 52: use Apache::loncommon(); 53: use Apache::lonhtmlcommon(); 54: use Apache::lonlocal; 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 { 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. 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)))); 96: $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) ); 97: return $plaintext; 98: } 99: 100: ################################################################ 101: # Handler subroutines # 102: ################################################################ 103: 104: ################################################################ 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 112: ('environment',['languages']); 113: my $language=$userenv{'languages'}; 114: 115: my $bodytag=&Apache::loncommon::bodytag( 116: 'Change Your Language Preferences'); 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); 127: $r->print(<<ENDLSCREEN); 128: <html> 129: $bodytag 130: 131: <form name="server" action="/adm/preferences" method="post"> 132: <input type="hidden" name="action" value="verify_and_change_languages" /> 133: <br />$pref: $selectionbox 134: ENDLSCREEN 135: $r->print('<br /><input type="submit" value="'.&mt('Change').'" /></form></body></html>'); 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) { 148: &Apache::lonnet::put('environment',{'languages' => $newlanguage}); 149: &Apache::lonnet::appenv('environment.languages' => $newlanguage); 150: $message='Set new preferred languages to '.$newlanguage; 151: } else { 152: &Apache::lonnet::del('environment',['languages']); 153: &Apache::lonnet::delenv('environment\.languages'); 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: ################################################################ 169: # Anonymous Discussion Name Change Subroutines # 170: ################################################################ 171: sub screennamechanger { 172: my $r = shift; 173: my $user = $ENV{'user.name'}; 174: my $domain = $ENV{'user.domain'}; 175: my %userenv = &Apache::lonnet::get 176: ('environment',['screenname','nickname']); 177: my $screenname=$userenv{'screenname'}; 178: my $nickname=$userenv{'nickname'}; 179: my $bodytag=&Apache::loncommon::bodytag( 180: 'Change Your Nickname and Anonymous Screen Name'); 181: $r->print(<<ENDSCREEN); 182: <html> 183: $bodytag 184: 185: <form name="server" action="/adm/preferences" method="post"> 186: <input type="hidden" name="action" value="verify_and_change_screenname" /> 187: <br />New screenname (shown if you post anonymously): 188: <input type="text" size="20" value="$screenname" name="screenname" /> 189: <br />New nickname (shown if you post non-anonymously): 190: <input type="text" size="20" value="$nickname" name="nickname" /> 191: <input type="submit" value="Change" /> 192: </form> 193: </body> 194: </html> 195: ENDSCREEN 196: } 197: 198: sub verify_and_change_screenname { 199: my $r = shift; 200: my $user = $ENV{'user.name'}; 201: my $domain = $ENV{'user.domain'}; 202: # Screenname 203: my $newscreen = $ENV{'form.screenname'}; 204: $newscreen=~s/[^ \w]//g; 205: my $message=''; 206: if ($newscreen) { 207: &Apache::lonnet::put('environment',{'screenname' => $newscreen}); 208: &Apache::lonnet::appenv('environment.screenname' => $newscreen); 209: $message='Set new screenname to '.$newscreen; 210: } else { 211: &Apache::lonnet::del('environment',['screenname']); 212: &Apache::lonnet::delenv('environment\.screenname'); 213: $message='Reset screenname'; 214: } 215: # Nickname 216: $message.='<br />'; 217: $newscreen = $ENV{'form.nickname'}; 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: 229: my $bodytag=&Apache::loncommon::bodytag( 230: 'Change Your Nickname and Anonymous Screen Name'); 231: $r->print(<<ENDVCSCREEN); 232: <html> 233: $bodytag 234: </p> 235: $message 236: </body></html> 237: ENDVCSCREEN 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'}; 248: my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']); 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'); 254: my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding", 255: "What are forwarding ". 256: "and notification ". 257: "addresses"); 258: my $criticalMessageHelp = Apache::loncommon::help_open_topic("Course_Critical_Message", 259: "What are critical messages"); 260: 261: $r->print(<<ENDMSG); 262: <html> 263: $bodytag 264: $forwardingHelp <br /> 265: <form name="server" action="/adm/preferences" method="post"> 266: <input type="hidden" name="action" value="verify_and_change_msgforward" /> 267: New Forwarding Address(es) (<tt>user:domain,user:domain,...</tt>): 268: <input type="text" size="40" value="$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="$notification" name="notification" /><hr /> 271: New Critical Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>): 272: <input type="text" size="40" value="$critnotification" name="critnotification" />$criticalMessageHelp<hr /> 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 339: } 340: 341: ################################################################ 342: # Colors # 343: ################################################################ 344: 345: sub colorschanger { 346: my $r = shift; 347: my $bodytag=&Apache::loncommon::bodytag( 348: 'Change Color Scheme for Current Role Type','', 349: 'onUnload="pclose();"'); 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=''; 371: foreach my $item (sort(keys(%colortypes))) { 372: my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain); 373: $chtable.='<tr><td>'.$colortypes{$item}.'</td><td bgcolor="'.$curcol. 374: '">      </td><td><input name="'.$item. 375: '" size="10" value="'.$curcol. 376: '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}. 377: "','".$curcol."','" 378: .$item."','parmform.pres','psub'".');">Select</a></td></tr>'; 379: } 380: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition(); 381: $r->print(<<ENDCOL); 382: <html> 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: 391: $pjump_def 392: 393: function psub() { 394: pclose(); 395: if (document.parmform.pres_marker.value!='') { 396: if (document.parmform.pres_type.value!='') { 397: eval('document.server.'+ 398: document.parmform.pres_marker.value+ 399: '.value=document.parmform.pres_value.value;'); 400: } 401: } else { 402: document.parmform.pres_value.value=''; 403: document.parmform.pres_marker.value=''; 404: } 405: } 406: 407: 408: </script> 409: $bodytag 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> 415: <form name="server" action="/adm/preferences" method="post"> 416: <input type="hidden" name="action" value="verify_and_change_colors" /> 417: <table border="2"> 418: $chtable 419: </table> 420: <input type="submit" value="Change Custom Colors" /> 421: <input type="submit" name="resetall" value="Reset All Colors to Default" /> 422: </form> 423: </body> 424: </html> 425: ENDCOL 426: } 427: 428: sub verify_and_change_colors { 429: my $r = shift; 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: 451: my $message=''; 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: } 465: my $bodytag=&Apache::loncommon::bodytag( 466: 'Change Color Scheme for Current Role Type'); 467: $r->print(<<ENDVCCOL); 468: <html> 469: $bodytag 470: </p> 471: $message 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> 476: </body></html> 477: ENDVCCOL 478: } 479: 480: ###################################################### 481: # password handler subroutines # 482: ###################################################### 483: sub passwordchanger { 484: # This function is a bit of a mess.... 485: # Passwords are encrypted using londes.js (DES encryption) 486: my $r = shift; 487: my $errormessage = shift; 488: $errormessage = ($errormessage || ''); 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(); 500: # Store the keys in the log files 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); 507: # Hexify the keys for output as javascript variables 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 515: # Output DES javascript 516: $r->print("<html><head>"); 517: { 518: my $include = $r->dir_config('lonIncludes'); 519: my $jsh=Apache::File->new($include."/londes.js"); 520: $r->print(<$jsh>); 521: } 522: my $bodytag=&Apache::loncommon::bodytag('Change Password','', 523: 'onLoad="init();"'); 524: $r->print(<<ENDFORM); 525: </head> 526: $bodytag 527: 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> 554: $errormessage 555: 556: <p> 557:  560: 561: <form name="server" action="/adm/preferences" method="post"> 562: <input type="hidden" name="logtoken" value="$logtoken" /> 563: <input type="hidden" name="action" value="verify_and_change_pass" /> 564: <input type="hidden" name="currentpass" value="" /> 565: <input type="hidden" name="newpass_1" value="" /> 566: <input type="hidden" name="newpass_2" value="" /> 567: </form> 568: 569: <form name="client" > 570: <table> 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> 577: <tr><td colspan="2" align="center"> 578: <input type="button" value="Change Password" onClick="send();"> 579: </table> 580: <input type="hidden" name="ukey_cpass" value="$ukey_cpass" /> 581: <input type="hidden" name="lkey_cpass" value="$lkey_cpass" /> 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,$domain); 599: # Check for authentication types that allow changing of the password. 600: return if ($currentauth !~ /^(unix|internal):/); 601: # 602: $r->print(<<ENDHEADER); 603: <html> 604: <head> 605: <title>LON-CAPA Preferences: Change password for $user</title> 606: </head> 607: ENDHEADER 608: # 609: my $currentpass = $ENV{'form.currentpass'}; 610: my $newpass1 = $ENV{'form.newpass_1'}; 611: my $newpass2 = $ENV{'form.newpass_2'}; 612: my $logtoken = $ENV{'form.logtoken'}; 613: # Check for empty data 614: unless (defined($currentpass) && 615: defined($newpass1) && 616: defined($newpass2) ){ 617: &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>". 618: "Password data was blank.\n</p>"); 619: return; 620: } 621: # Get the keys 622: my $lonhost = $r->dir_config('lonHostID'); 623: my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost); 624: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) { 625: # I do not a have a better idea about how to handle this 626: $r->print(<<ENDERROR); 627: <p> 628: <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for 629: password decryption. Please log out and try again. 630: </p> 631: ENDERROR 632: # Probably should log an error here 633: return; 634: } 635: my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo); 636: # 637: $currentpass = &des_decrypt($ckey ,$currentpass); 638: $newpass1 = &des_decrypt($n1key,$newpass1); 639: $newpass2 = &des_decrypt($n2key,$newpass2); 640: # 641: if ($newpass1 ne $newpass2) { 642: &passwordchanger($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.'); 653: return; 654: } 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"); 680: <h2>The password for $user was successfully changed</h2> 681: ENDTEXT 682: } else { 683: # error error: run in circles, scream and shout 684: $r->print(<<ENDERROR); 685: <h2><font color="#ff0000">The password for $user was not changed</font></h2> 686: Please make sure your old password was entered correctly. 687: ENDERROR 688: } 689: return; 690: } 691: 692: ###################################################### 693: # other handler subroutines # 694: ###################################################### 695: 696: ################################################################ 697: # Main handler # 698: ################################################################ 699: sub handler { 700: my $r = shift; 701: my $user = $ENV{'user.name'}; 702: my $domain = $ENV{'user.domain'}; 703: &Apache::loncommon::content_type($r,'text/html'); 704: # Some pages contain DES keys and should not be cached. 705: &Apache::loncommon::no_cache($r); 706: $r->send_http_header; 707: return OK if $r->header_only; 708: # 709: if ($ENV{'form.action'} eq 'changepass') { 710: &passwordchanger($r); 711: } elsif ($ENV{'form.action'} eq 'verify_and_change_pass') { 712: &verify_and_change_password($r); 713: } elsif ($ENV{'form.action'} eq 'changescreenname') { 714: &screennamechanger($r); 715: } elsif ($ENV{'form.action'} eq 'verify_and_change_screenname') { 716: &verify_and_change_screenname($r); 717: } elsif ($ENV{'form.action'} eq 'changemsgforward') { 718: &msgforwardchanger($r); 719: } elsif ($ENV{'form.action'} eq 'verify_and_change_msgforward') { 720: &verify_and_change_msgforward($r); 721: } elsif ($ENV{'form.action'} eq 'changecolors') { 722: &colorschanger($r); 723: } elsif ($ENV{'form.action'} eq 'verify_and_change_colors') { 724: &verify_and_change_colors($r); 725: } elsif ($ENV{'form.action'} eq 'changelanguages') { 726: &languagechanger($r); 727: } elsif ($ENV{'form.action'} eq 'verify_and_change_languages') { 728: &verify_and_change_languages($r); 729: } elsif ($ENV{'form.action'} eq 'debugtoggle') { 730: if (($ENV{'user.name'} eq 'albertel' ) || 731: ($ENV{'user.name'} eq 'kortemey' ) || 732: ($ENV{'user.name'} eq 'korte')) { 733: if ($ENV{'user.debug'}) { 734: &Apache::lonnet::delenv('user\.debug'); 735: } else { 736: &Apache::lonnet::appenv('user.debug' => 1); 737: } 738: } 739: } else { 740: $r->print(<<ENDHEADER); 741: <html> 742: <head> 743: <title>LON-CAPA Preferences</title> 744: </head> 745: ENDHEADER 746: $r->print(&Apache::loncommon::bodytag('Change Your Preferences')); 747: # Determine current authentication method 748: my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain); 749: if ($currentauth =~ /^(unix|internal):/) { 750: $r->print(<<ENDPASSWORDFORM); 751: <form name="client" action="/adm/preferences" method="post"> 752: <input type="hidden" name="action" value="changepass" /> 753: <input type="submit" value="Change password" /> 754: </form> 755: ENDPASSWORDFORM 756: } 757: # Change screen name 758: $r->print(<<ENDSCREENNAMEFORM); 759: <form name="client" action="/adm/preferences" method="post"> 760: <input type="hidden" name="action" value="changescreenname" /> 761: <input type="submit" 762: value="Change nickname and anonymous discussion screen name" /> 763: </form> 764: ENDSCREENNAMEFORM 765: $r->print(<<ENDMSGFORWARDFORM); 766: <form name="client" action="/adm/preferences" method="post"> 767: <input type="hidden" name="action" value="changemsgforward" /> 768: <input type="submit" value="Change message forwarding and notification addresses" /> 769: </form> 770: ENDMSGFORWARDFORM 771: # The "about me" page 772: my $aboutmeaction= 773: '/adm/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/aboutme'; 774: $r->print(<<ENDABOUTME); 775: <form name="client" action="$aboutmeaction" method="post"> 776: <input type="hidden" name="action" value="changescreenname" /> 777: <input type="submit" value="Edit the 'About Me' personal information screen" /> 778: </form> 779: ENDABOUTME 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 786: 787: $r->print(<<ENDLANGUAGES); 788: <form name="client" action="/adm/preferences" method="post"> 789: <input type="hidden" name="action" value="changelanguages" /> 790: <input type="submit" value="Change language preferences" /> 791: </form> 792: ENDLANGUAGES 793: 794: if (($ENV{'user.name'} eq 'albertel' ) || 795: ($ENV{'user.name'} eq 'kortemey' ) || 796: ($ENV{'user.name'} eq 'korte')) { 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 806: } 807: $r->print(<<ENDFOOTER); 808: </body> 809: </html> 810: ENDFOOTER 811: return OK; 812: } 813: 814: 1; 815: __END__