loncom/auth/lonlogin.pm - view

File: [LON-CAPA] / loncom / auth / lonlogin.pm
Revision 1.156: download - view: text, annotated - select for diffs
Fri Sep 13 21:28:18 2013 UTC (10 years, 8 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

- Bug 6673.
Do not autocapitalize or autocorrect text entered in username or domain fields
in log-in page, if user agent string implies client browser is for a mobile
device.

(Note: autocapitalize & autocorrect attributes are not compliant for
XHTML 1.0 Transitional)

1: # The LearningOnline Network 2: # Login Screen 3: # 4: # $Id: lonlogin.pm,v 1.156 2013/09/13 21:28:18 raeburn 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: 29: package Apache::lonlogin; 30: 31: use strict; 32: use Apache::Constants qw(:common); 33: use Apache::File (); 34: use Apache::lonnet; 35: use Apache::loncommon(); 36: use Apache::lonauth(); 37: use Apache::lonlocal; 38: use Apache::migrateuser(); 39: use lib '/home/httpd/lib/perl/'; 40: use LONCAPA; 41: 42: sub handler { 43: my $r = shift; 44: 45: &Apache::loncommon::get_unprocessed_cgi 46: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'}, 47: $ENV{'REDIRECT_QUERY_STRING'}), 48: ['interface','username','domain','firsturl','localpath','localres', 49: 'token','role','symb']); 50: if (!defined($env{'form.firsturl'})) { 51: &Apache::lonacc::get_posted_cgi($r,['firsturl']); 52: } 53: 54: # -- check if they are a migrating user 55: if (defined($env{'form.token'})) { 56: return &Apache::migrateuser::handler($r); 57: } 58: 59: &Apache::loncommon::no_cache($r); 60: &Apache::lonlocal::get_language_handle($r); 61: &Apache::loncommon::content_type($r,'text/html'); 62: $r->send_http_header; 63: return OK if $r->header_only; 64: 65: 66: # Are we re-routing? 67: my $londocroot = $r->dir_config('lonDocRoot'); 68: if (-e "$londocroot/lon-status/reroute.txt") { 69: &Apache::lonauth::reroute($r); 70: return OK; 71: } 72: 73: $env{'form.firsturl'} =~ s/(`)/'/g; 74: 75: # -------------------------------- Prevent users from attempting to login twice 76: my $handle = &Apache::lonnet::check_for_valid_session($r); 77: if ($handle ne '') { 78: my $lonidsdir=$r->dir_config('lonIDsDir'); 79: if ($handle=~/^publicuser\_/) { 80: # For "public user" - remove it, we apparently really want to login 81: unlink($r->dir_config('lonIDsDir')."/$handle.id"); 82: } else { 83: # Indeed, a valid token is found 84: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); 85: my $start_page = 86: &Apache::loncommon::start_page('Already logged in'); 87: my $end_page = 88: &Apache::loncommon::end_page(); 89: my $dest = '/adm/roles'; 90: if ($env{'form.firsturl'} ne '') { 91: $dest = $env{'form.firsturl'}; 92: } 93: $r->print( 94: $start_page 95: .'<p class="LC_warning">'.&mt('You are already logged in!').'</p>' 96: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].', 97: '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>' 98: .$end_page 99: ); 100: return OK; 101: } 102: } 103: 104: # ---------------------------------------------------- No valid token, continue 105: 106: # ---------------------------- Not possible to really login to domain "public" 107: if ($env{'form.domain'} eq 'public') { 108: $env{'form.domain'}=''; 109: $env{'form.username'}=''; 110: } 111: # ----------------------------------------------------------- Process Interface 112: $env{'form.interface'}=~s/\W//g; 113: 114: (undef,undef,undef,undef,undef,undef,my $clientmobile) = 115: &Apache::loncommon::decode_user_agent(); 116: 117: my $iconpath= 118: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL')); 119: 120: my $lonhost = $r->dir_config('lonHostID'); 121: my $domain = &Apache::lonnet::default_login_domain(); 122: if ($lonhost ne '') { 123: my $redirect = &check_loginvia($domain,$lonhost); 124: if ($redirect) { 125: $r->print($redirect); 126: return OK; 127: } 128: } 129: 130: if (($env{'form.domain'}) && 131: (&Apache::lonnet::domain($env{'form.domain'},'description'))) { 132: $domain=$env{'form.domain'}; 133: } 134: my $role = $r->dir_config('lonRole'); 135: my $loadlim = $r->dir_config('lonLoadLim'); 136: my $uloadlim= $r->dir_config('lonUserLoadLim'); 137: my $servadm = $r->dir_config('lonAdmEMail'); 138: my $tabdir = $r->dir_config('lonTabDir'); 139: my $include = $r->dir_config('lonIncludes'); 140: my $expire = $r->dir_config('lonExpire'); 141: my $version = $r->dir_config('lonVersion'); 142: my $host_name = &Apache::lonnet::hostname($lonhost); 143: 144: # --------------------------------------------- Default values for login fields 145: 146: my $authusername=($env{'form.username'}?$env{'form.username'}:''); 147: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain); 148: 149: # ---------------------------------------------------------- Determine own load 150: my $loadavg; 151: { 152: my $loadfile=Apache::File->new('/proc/loadavg'); 153: $loadavg=<$loadfile>; 154: } 155: $loadavg =~ s/\s.*//g; 156: 157: my ($loadpercent,$userloadpercent); 158: if ($loadlim) { 159: $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim); 160: } 161: if ($uloadlim) { 162: $userloadpercent=&Apache::lonnet::userload(); 163: } 164: 165: my $firsturl= 166: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'}); 167: 168: # ----------------------------------------------------------- Get announcements 169: my $announcements=&Apache::lonnet::getannounce(); 170: # -------------------------------------------------------- Set login parameters 171: 172: my @hexstr=('0','1','2','3','4','5','6','7', 173: '8','9','a','b','c','d','e','f'); 174: my $lkey=''; 175: for (0..7) { 176: $lkey.=$hexstr[rand(15)]; 177: } 178: 179: my $ukey=''; 180: for (0..7) { 181: $ukey.=$hexstr[rand(15)]; 182: } 183: 184: my $lextkey=hex($lkey); 185: if ($lextkey>2147483647) { $lextkey-=4294967296; } 186: 187: my $uextkey=hex($ukey); 188: if ($uextkey>2147483647) { $uextkey-=4294967296; } 189: 190: # -------------------------------------------------------- Store away log token 191: my $tokenextras; 192: if ($env{'form.role'}) { 193: $tokenextras = '&role='.&escape($env{'form.role'}); 194: } 195: if ($env{'form.symb'}) { 196: if (!$tokenextras) { 197: $tokenextras = '&'; 198: } 199: $tokenextras .= '&symb='.&escape($env{'form.symb'}); 200: } 201: my $logtoken=Apache::lonnet::reply( 202: 'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras, 203: $lonhost); 204: 205: # -- If we cannot talk to ourselves, or hostID does not map to a hostname 206: # we are in serious trouble 207: 208: if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) { 209: if ($logtoken eq 'no_such_host') { 210: &Apache::lonnet::logthis('No valid logtoken for log-in page -- unable to determine hostname for hostID: '.$lonhost.'. Check entry in hosts.tab'); 211: } 212: my $spares=''; 213: my $last; 214: foreach my $hostid (sort 215: { 216: &Apache::lonnet::hostname($a) cmp 217: &Apache::lonnet::hostname($b); 218: } 219: keys(%Apache::lonnet::spareid)) { 220: next if ($hostid eq $lonhost); 221: my $hostname = &Apache::lonnet::hostname($hostid); 222: next if (($last eq $hostname) || ($hostname eq '')); 223: $spares.='<br /><font size="+1"><a href="http://'. 224: $hostname. 225: '/adm/login?domain='.$authdomain.'">'. 226: $hostname.'</a>'. 227: ' '.&mt('(preferred)').'</font>'.$/; 228: $last=$hostname; 229: } 230: if ($spares) { 231: $spares.= '<br />'; 232: } 233: my %all_hostnames = &Apache::lonnet::all_hostnames(); 234: foreach my $hostid (sort 235: { 236: &Apache::lonnet::hostname($a) cmp 237: &Apache::lonnet::hostname($b); 238: } 239: keys(%all_hostnames)) { 240: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); 241: my $hostname = &Apache::lonnet::hostname($hostid); 242: next if (($last eq $hostname) || ($hostname eq '')); 243: $spares.='<br /><a href="http://'. 244: $hostname. 245: '/adm/login?domain='.$authdomain.'">'. 246: $hostname.'</a>'; 247: $last=$hostname; 248: } 249: $r->print( 250: '<html>' 251: .'<head><title>' 252: .&mt('The LearningOnline Network with CAPA') 253: .'</title></head>' 254: .'<body bgcolor="#FFFFFF">' 255: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>' 256: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />' 257: .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'); 258: if ($spares) { 259: $r->print('<p>'.&mt('Please attempt to login to one of the following servers:') 260: .'</p>' 261: .$spares); 262: } 263: $r->print('</body>' 264: .'</html>' 265: ); 266: return OK; 267: } 268: 269: # ----------------------------------------------- Apparently we are in business 270: $servadm=~s/\,/\<br \/\>/g; 271: 272: # ----------------------------------------------------------- Front page design 273: my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain); 274: my $font=&Apache::loncommon::designparm('login.font',$domain); 275: my $link=&Apache::loncommon::designparm('login.link',$domain); 276: my $vlink=&Apache::loncommon::designparm('login.vlink',$domain); 277: my $alink=&Apache::loncommon::designparm('login.alink',$domain); 278: my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain); 279: my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain); 280: my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain); 281: my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain); 282: my $logo=&Apache::loncommon::designparm('login.logo',$domain); 283: my $img=&Apache::loncommon::designparm('login.img',$domain); 284: my $domainlogo=&Apache::loncommon::domainlogo($domain); 285: my $showbanner = 1; 286: my $showmainlogo = 1; 287: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) { 288: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain); 289: } 290: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) { 291: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain); 292: } 293: my $showadminmail; 294: my @possdoms = &Apache::lonnet::current_machine_domains(); 295: if (grep(/^\Q$domain\E$/,@possdoms)) { 296: $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain); 297: } 298: my $showcoursecat = 299: &Apache::loncommon::designparm('login.coursecatalog',$domain); 300: my $shownewuserlink = 301: &Apache::loncommon::designparm('login.newuser',$domain); 302: my $showhelpdesk = 303: &Apache::loncommon::designparm('login.helpdesk',$domain); 304: my $now=time; 305: my $js = (<<ENDSCRIPT); 306: 307: <script type="text/javascript" language="JavaScript"> 308: // <![CDATA[ 309: function send() 310: { 311: this.document.server.elements.uname.value 312: =this.document.client.elements.uname.value; 313: 314: this.document.server.elements.udom.value 315: =this.document.client.elements.udom.value; 316: 317: uextkey=this.document.client.elements.uextkey.value; 318: lextkey=this.document.client.elements.lextkey.value; 319: initkeys(); 320: 321: this.document.server.elements.upass0.value 322: =crypted(this.document.client.elements.upass$now.value.substr(0,15)); 323: this.document.server.elements.upass1.value 324: =crypted(this.document.client.elements.upass$now.value.substr(15,15)); 325: this.document.server.elements.upass2.value 326: =crypted(this.document.client.elements.upass$now.value.substr(30,15)); 327: 328: this.document.client.elements.uname.value=''; 329: this.document.client.elements.upass$now.value=''; 330: 331: this.document.server.submit(); 332: return false; 333: } 334: 335: function enableInput() { 336: this.document.client.elements.upass$now.removeAttribute("readOnly"); 337: this.document.client.elements.uname.removeAttribute("readOnly"); 338: this.document.client.elements.udom.removeAttribute("readOnly"); 339: return; 340: } 341: 342: // ]]> 343: </script> 344: 345: ENDSCRIPT 346: 347: # --------------------------------------------------- Print login screen header 348: 349: my %add_entries = ( 350: bgcolor => "$mainbg", 351: text => "$font", 352: link => "$link", 353: vlink => "$vlink", 354: alink => "$alink", 355: onload => 'javascript:enableInput();',); 356: 357: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js, 358: { 'redirect' => [$expire,'/adm/roles'], 359: 'add_entries' => \%add_entries, 360: 'only_body' => 1,})); 361: 362: # ----------------------------------------------------------------------- Texts 363: 364: my %lt=&Apache::lonlocal::texthash( 365: 'un' => 'Username', 366: 'pw' => 'Password', 367: 'dom' => 'Domain', 368: 'perc' => 'percent', 369: 'load' => 'Server Load', 370: 'userload' => 'User Load', 371: 'catalog' => 'Course/Community Catalog', 372: 'log' => 'Log in', 373: 'help' => 'Log-in Help', 374: 'serv' => 'Server', 375: 'servadm' => 'Server Administration', 376: 'helpdesk' => 'Contact Helpdesk', 377: 'forgotpw' => 'Forgot password?', 378: 'newuser' => 'New User?', 379: ); 380: # -------------------------------------------------- Change password field name 381: 382: my $forgotpw = &forgotpwdisplay(%lt); 383: $forgotpw .= '<br />' if $forgotpw; 384: my $loginhelp = &Apache::lonauth::loginhelpdisplay($authdomain); 385: if ($loginhelp) { 386: $loginhelp = '<a href="'.$loginhelp.'">'.$lt{'help'}.'</a><br />'; 387: } 388: 389: # ---------------------------------------------------- Serve out DES JavaScript 390: { 391: my $jsh=Apache::File->new($include."/londes.js"); 392: $r->print(<$jsh>); 393: } 394: # ---------------------------------------------------------- Serve rest of page 395: 396: $r->print( 397: '<div class="LC_Box"' 398: .' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">' 399: ); 400: 401: $r->print(<<ENDSERVERFORM); 402: <form name="server" action="/adm/authenticate" method="post" target="_top"> 403: <input type="hidden" name="logtoken" value="$logtoken" /> 404: <input type="hidden" name="serverid" value="$lonhost" /> 405: <input type="hidden" name="uname" value="" /> 406: <input type="hidden" name="upass0" value="" /> 407: <input type="hidden" name="upass1" value="" /> 408: <input type="hidden" name="upass2" value="" /> 409: <input type="hidden" name="udom" value="" /> 410: <input type="hidden" name="localpath" value="$env{'form.localpath'}" /> 411: <input type="hidden" name="localres" value="$env{'form.localres'}" /> 412: </form> 413: ENDSERVERFORM 414: my $coursecatalog; 415: if (($showcoursecat eq '') || ($showcoursecat)) { 416: $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />'; 417: } 418: my $newuserlink; 419: if ($shownewuserlink) { 420: $newuserlink = &newuser_link($lt{'newuser'}).'<br />'; 421: } 422: my $logintitle = 423: '<h2 class="LC_hcell"' 424: .' style="background:'.$loginbox_header_bgcol.';' 425: .' color:'.$loginbox_header_textcol.'">' 426: .$lt{'log'} 427: .'</h2>'; 428: 429: my $noscript_warning='<noscript><span class="LC_warning"><b>' 430: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.') 431: .'</b></span></noscript>'; 432: my $helpdeskscript; 433: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, 434: $authdomain,\$helpdeskscript, 435: $showhelpdesk,\@possdoms); 436: 437: my $mobileargs; 438: if ($clientmobile) { 439: $mobileargs = 'autocapitalize="off" autocorrect="off"'; 440: } 441: my $loginform=(<<LFORM); 442: <form name="client" action="" onsubmit="return(send())"> 443: <input type="hidden" name="lextkey" value="$lextkey" /> 444: <input type="hidden" name="uextkey" value="$uextkey" /> 445: <b><label for="uname">$lt{'un'}</label>:</b><br /> 446: <input type="text" name="uname" id="uname" size="15" value="$authusername" readonly="readonly" $mobileargs /><br /> 447: <b><label for="upass$now">$lt{'pw'}</label>:</b><br /> 448: <input type="password" name="upass$now" id="upass$now" size="15" readonly="readonly" /><br /> 449: <b><label for="udom">$lt{'dom'}</label>:</b><br /> 450: <input type="text" name="udom" id="udom" size="15" value="$authdomain" readonly="readonly" $mobileargs /><br /> 451: <input type="submit" value="$lt{'log'}" /> 452: </form> 453: LFORM 454: 455: if ($showbanner) { 456: $r->print(<<HEADER); 457:  458: <div style="background:$pgbg;margin:0;width:100%;"> 459: <img src="$img" border="0" alt="The Learning Online Network with CAPA" /> 460: </div> 461: HEADER 462: } 463: $r->print(<<ENDTOP); 464: <div style="float:left;margin-top:0;"> 465: <div class="LC_Box" style="background:$loginbox_bg;"> 466: $logintitle 467: $loginform 468: $noscript_warning 469: </div> 470: 471: <div class="LC_Box" style="padding-top: 10px;"> 472: $loginhelp 473: $forgotpw 474: $contactblock 475: $newuserlink 476: $coursecatalog 477: </div> 478: </div> 479: 480: <div> 481: ENDTOP 482: if ($showmainlogo) { 483: $r->print(' <img src="'.$logo.'" alt="" />'."\n"); 484: } 485: $r->print(<<ENDTOP); 486: $announcements 487: </div> 488: <hr style="clear:both;" /> 489: ENDTOP 490: my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow); 491: $domainrow = <<"END"; 492: <tr> 493: <td align="left" valign="top"> 494: <small><b>$lt{'dom'}: </b></small> 495: </td> 496: <td align="left" valign="top"> 497: <small><tt> $domain</tt></small> 498: </td> 499: </tr> 500: END 501: $serverrow = <<"END"; 502: <tr> 503: <td align="left" valign="top"> 504: <small><b>$lt{'serv'}: </b></small> 505: </td> 506: <td align="left" valign="top"> 507: <small><tt> $lonhost ($role)</tt></small> 508: </td> 509: </tr> 510: END 511: if ($loadlim) { 512: $loadrow = <<"END"; 513: <tr> 514: <td align="left" valign="top"> 515: <small><b>$lt{'load'}: </b></small> 516: </td> 517: <td align="left" valign="top"> 518: <small><tt> $loadpercent $lt{'perc'}</tt></small> 519: </td> 520: </tr> 521: END 522: } 523: if ($uloadlim) { 524: $userloadrow = <<"END"; 525: <tr> 526: <td align="left" valign="top"> 527: <small><b>$lt{'userload'}: </b></small> 528: </td> 529: <td align="left" valign="top"> 530: <small><tt> $userloadpercent $lt{'perc'}</tt></small> 531: </td> 532: </tr> 533: END 534: } 535: if (($version ne '') && ($version ne '')) { 536: $versionrow = <<"END"; 537: <tr> 538: <td colspan="2" align="left"> 539: <small>$version</small> 540: </td> 541: </tr> 542: END 543: } 544: 545: $r->print(<<ENDDOCUMENT); 546: <div style="float: left;"> 547: <table border="0" cellspacing="0" cellpadding="0"> 548: $domainrow 549: $serverrow 550: $loadrow 551: $userloadrow 552: $versionrow 553: </table> 554: </div> 555: <div style="float: right;"> 556: $domainlogo 557: </div> 558: <br style="clear:both;" /> 559: </div> 560: 561: <script type="text/javascript"> 562: // <![CDATA[ 563: // the if prevents the script error if the browser can not handle this 564: if ( document.client.uname ) { document.client.uname.focus(); } 565: // ]]> 566: </script> 567: $helpdeskscript 568: 569: ENDDOCUMENT 570: my %endargs = ( 'noredirectlink' => 1, ); 571: $r->print(&Apache::loncommon::end_page(\%endargs)); 572: return OK; 573: } 574: 575: sub check_loginvia { 576: my ($domain,$lonhost) = @_; 577: if ($domain eq '' || $lonhost eq '') { 578: return; 579: } 580: my %domconfhash = &Apache::loncommon::get_domainconf($domain); 581: my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost}; 582: my $loginvia_exempt = $domconfhash{$domain.'.login.loginvia_exempt_'.$lonhost}; 583: my $output; 584: if ($loginvia ne '') { 585: my $noredirect; 586: my $ip = $ENV{'REMOTE_ADDR'}; 587: if ($ip eq '127.0.0.1') { 588: $noredirect = 1; 589: } else { 590: if ($loginvia_exempt ne '') { 591: my @exempt = split(',',$loginvia_exempt); 592: if (grep(/^\Q$ip\E$/,@exempt)) { 593: $noredirect = 1; 594: } 595: } 596: } 597: unless ($noredirect) { 598: my ($newhost,$path); 599: if ($loginvia =~ /:/) { 600: ($newhost,$path) = split(':',$loginvia); 601: } else { 602: $newhost = $loginvia; 603: } 604: if ($newhost ne $lonhost) { 605: if (&Apache::lonnet::hostname($newhost) ne '') { 606: $output = &redirect_page($newhost,$path); 607: } 608: } 609: } 610: } 611: return $output; 612: } 613: 614: sub redirect_page { 615: my ($desthost,$path) = @_; 616: my $protocol = $Apache::lonnet::protocol{$desthost}; 617: $protocol = 'http' if ($protocol ne 'https'); 618: unless ($path =~ m{^/}) { 619: $path = '/'.$path; 620: } 621: my $url = $protocol.'://'.&Apache::lonnet::hostname($desthost).$path; 622: if ($env{'form.firsturl'} ne '') { 623: $url .='?firsturl='.$env{'form.firsturl'}; 624: } 625: my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef, 626: {'redirect' => [0,$url],}); 627: my $end_page = &Apache::loncommon::end_page(); 628: return $start_page.$end_page; 629: } 630: 631: sub contactdisplay { 632: my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript,$showhelpdesk, 633: $possdoms) = @_; 634: my $contactblock; 635: my $origmail; 636: if (ref($possdoms) eq 'ARRAY') { 637: if (grep(/^\Q$authdomain\E$/,@{$possdoms})) { 638: $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; 639: } 640: } 641: my $requestmail = 642: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail', 643: $authdomain,$origmail); 644: unless ($showhelpdesk eq '0') { 645: if ($requestmail =~ m/[^\@]+\@[^\@]+/) { 646: $showhelpdesk = 1; 647: } else { 648: $showhelpdesk = 0; 649: } 650: } 651: if ($servadm && $showadminmail) { 652: $contactblock .= $$lt{'servadm'}.':<br />'. 653: '<tt>'.$servadm.'</tt><br />'; 654: } 655: if ($showhelpdesk) { 656: $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />'; 657: my $thisurl = &escape('/adm/login'); 658: $$helpdeskscript = <<"ENDSCRIPT"; 659: <script type="text/javascript"> 660: // <![CDATA[ 661: function helpdesk() { 662: var possdom = document.client.udom.value; 663: var codedom = possdom.replace( new RegExp("[^A-Za-z0-9.\\-]","g"),''); 664: if (codedom == '') { 665: codedom = "$authdomain"; 666: } 667: var querystr = "origurl=$thisurl&codedom="+codedom; 668: document.location.href = "/adm/helpdesk?"+querystr; 669: return; 670: } 671: // ]]> 672: </script> 673: ENDSCRIPT 674: } 675: return $contactblock; 676: } 677: 678: sub forgotpwdisplay { 679: my (%lt) = @_; 680: my $prompt_for_resetpw = 1; 681: if ($prompt_for_resetpw) { 682: return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>'; 683: } 684: return; 685: } 686: 687: sub coursecatalog_link { 688: my ($linkname) = @_; 689: return <<"END"; 690: <a href="/adm/coursecatalog">$linkname</a> 691: END 692: } 693: 694: sub newuser_link { 695: my ($linkname) = @_; 696: return '<a href="/adm/createaccount">'.$linkname.'</a>'; 697: } 698: 699: 1; 700: __END__