loncom/auth/lonlogin.pm - view

File: [LON-CAPA] / loncom / auth / lonlogin.pm
Revision 1.68: download - view: text, annotated - select for diffs
Tue Aug 30 21:14:20 2005 UTC (18 years, 9 months ago) by albertel
Branches: MAIN
CVS tags: version_2_0_X, version_2_0_2, version_2_0_1, HEAD

i- include the multidomain url -> default domain code in the default line

1: # The LearningOnline Network 2: # Login Screen 3: # 4: # $Id: lonlogin.pm,v 1.68 2005/08/30 21:14:20 albertel 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 CGI::Cookie(); 34: use Apache::File (); 35: use Apache::lonnet; 36: use Apache::loncommon(); 37: use Apache::lonauth(); 38: use Apache::lonlocal; 39: 40: sub handler { 41: my $r = shift; 42: &Apache::loncommon::no_cache($r); 43: &Apache::lonlocal::get_language_handle($r); 44: &Apache::loncommon::content_type($r,'text/html'); 45: $r->send_http_header; 46: return OK if $r->header_only; 47: 48: 49: # Are we re-routing? 50: if (-e '/home/httpd/html/lon-status/reroute.txt') { 51: &Apache::lonauth::reroute($r); 52: return OK; 53: } 54: 55: # -------------------------------- Prevent users from attempting to login twice 56: my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); 57: my $lonid=$cookies{'lonID'}; 58: my $cookie; 59: if ($lonid) { 60: my $handle=$lonid->value; 61: $handle=~s/\W//g; 62: my $lonidsdir=$r->dir_config('lonIDsDir'); 63: if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { 64: # Indeed, a valid token is found 65: my $bodytag=&Apache::loncommon::bodytag('Already logged in'); 66: $r->print(<<ENDFAILED); 67: <html> 68: <head> 69: <title>Already logged in</title> 70: </head> 71: $bodytag 72: <h1>You are already logged in</h1> 73: <p>Please either <a href="/adm/roles">continue the current session</a> or 74: <a href="/adm/logout">logout</a>.</p> 75: <p> 76: <a href="/adm/loginproblems.html">Problems?</a></p> 77: </body> 78: </html> 79: ENDFAILED 80: return OK; 81: } 82: } 83: 84: # ---------------------------------------------------- No valid token, continue 85: 86: &Apache::loncommon::get_unprocessed_cgi 87: ($ENV{'QUERY_STRING'}.'&'.$env{'request.querystring'}, 88: ['interface','username','domain','firsturl','localpath','localres']); 89: 90: 91: # ----------------------------------------------------------- Process Interface 92: $env{'form.interface'}=~s/\W//g; 93: 94: my $textbrowsers=$r->dir_config('lonTextBrowsers'); 95: my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; 96: 97: foreach (split(/\:/,$textbrowsers)) { 98: if ($httpbrowser=~/$_/i) { 99: $env{'form.interface'}='textual'; 100: } 101: } 102: 103: my $fullgraph=($env{'form.interface'} ne 'textual'); 104: my $port_to_use=$r->dir_config('lonhttpdPort'); 105: if (!defined($port_to_use)) { 106: $port_to_use='8080'; 107: } 108: my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use. 109: $r->dir_config('lonIconsURL'); 110: my $domain = $r->dir_config('lonDefDomain'); 111: my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0]; 112: foreach my $posdom (&Apache::lonnet::current_machine_domains()) { 113: if ($posdom eq $testdomain) { $domain=$testdomain; } 114: } 115: if (($env{'form.domain'}) && 116: ($Apache::lonnet::domaindescription{$env{'form.domain'}})) { 117: $domain=$env{'form.domain'}; 118: } 119: my $role = $r->dir_config('lonRole'); 120: my $loadlim = $r->dir_config('lonLoadLim'); 121: my $servadm = $r->dir_config('lonAdmEMail'); 122: my $sysadm = $r->dir_config('lonSysEMail'); 123: my $lonhost = $r->dir_config('lonHostID'); 124: my $tabdir = $r->dir_config('lonTabDir'); 125: my $include = $r->dir_config('lonIncludes'); 126: my $expire = $r->dir_config('lonExpire'); 127: my $version = $r->dir_config('lonVersion'); 128: 129: # --------------------------------------------- Default values for login fields 130: 131: my $authusername=($env{'form.username'}?$env{'form.username'}:''); 132: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain); 133: 134: # ---------------------------------------------------------- Determine own load 135: my $loadavg; 136: { 137: my $loadfile=Apache::File->new('/proc/loadavg'); 138: $loadavg=<$loadfile>; 139: } 140: $loadavg =~ s/\s.*//g; 141: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim); 142: my $userloadpercent=&Apache::lonnet::userload(); 143: 144: # ------------------------------------------------------- Do the load balancing 145: my $otherserver='http://'.$ENV{'SERVER_NAME'}; 146: my $firsturl= 147: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'}); 148: # ---------------------------------------- Are we access server and overloaded? 149: if (($role eq 'access') && 150: (($userloadpercent>100.0)||($loadpercent>100.0))) { 151: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent); 152: if ($unloaded) { $otherserver=$unloaded; } 153: } 154: 155: # ----------------------------------------------------------- Get announcements 156: my $announcements=&Apache::lonnet::getannounce(); 157: # -------------------------------------------------------- Set login parameters 158: 159: my @hexstr=('0','1','2','3','4','5','6','7', 160: '8','9','a','b','c','d','e','f'); 161: my $lkey=''; 162: for (0..7) { 163: $lkey.=$hexstr[rand(15)]; 164: } 165: 166: my $ukey=''; 167: for (0..7) { 168: $ukey.=$hexstr[rand(15)]; 169: } 170: 171: my $lextkey=hex($lkey); 172: if ($lextkey>2147483647) { $lextkey-=4294967296; } 173: 174: my $uextkey=hex($ukey); 175: if ($uextkey>2147483647) { $uextkey-=4294967296; } 176: 177: # -------------------------------------------------------- Store away log token 178: my $logtoken=Apache::lonnet::reply( 179: 'tmpput:'.$ukey.$lkey.'&'.$firsturl, 180: $lonhost); 181: 182: # ------------------- If we cannot talk to ourselves, we are in serious trouble 183: 184: if ($logtoken eq 'con_lost') { 185: my $spares=''; 186: my $last; 187: foreach my $hostid (sort 188: { 189: $Apache::lonnet::hostname{$a} cmp 190: $Apache::lonnet::hostname{$b}; 191: } 192: keys(%Apache::lonnet::spareid)) { 193: next if ($hostid eq $lonhost); 194: next if ($last eq $Apache::lonnet::hostname{$hostid}); 195: $spares.='<br /><font size="+1"><a href="http://'. 196: $Apache::lonnet::hostname{$hostid}. 197: '/adm/login?domain='.$authdomain.'">'. 198: $Apache::lonnet::hostname{$hostid}.'</a>'. 199: ' (preferred)</font>'.$/; 200: $last=$Apache::lonnet::hostname{$hostid}; 201: } 202: $spares.= '<br />'; 203: foreach my $hostid (sort 204: { 205: $Apache::lonnet::hostname{$a} cmp 206: $Apache::lonnet::hostname{$b}; 207: } 208: keys(%Apache::lonnet::hostname)) { 209: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); 210: next if ($last eq $Apache::lonnet::hostname{$hostid}); 211: $spares.='<br /><a href="http://'. 212: $Apache::lonnet::hostname{$hostid}. 213: '/adm/login?domain='.$authdomain.'">'. 214: $Apache::lonnet::hostname{$hostid}.'</a>'; 215: $last=$Apache::lonnet::hostname{$hostid}; 216: } 217: $r->print(<<ENDTROUBLE); 218: <html> 219: <head><title>The LearningOnline Network with CAPA</title></head> 220: <body bgcolor="#FFFFFF"> 221: <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" /> 222: <h3>This LON-CAPA server is temporarily not available for login</h3> 223: <p>Please attempt to login to one of the following servers:</p>$spares 224: <p>If the problem persists, please contact <tt>$servadm</tt>.</p> 225: </body> 226: </html> 227: ENDTROUBLE 228: return OK; 229: } 230: 231: # ----------------------------------------------- Apparently we are in business 232: 233: my $domainlogo=&Apache::loncommon::domainlogo($domain); 234: $servadm=~s/\,/\<br \/\>/g; 235: $sysadm=~s/\,/\<br \/\>/g; 236: 237: # --------------------------------------------------- Print login screen header 238: $r->print(<<ENDHEADER); 239: <html> 240: <head> 241: <meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" /> 242: <title>The LearningOnline Network with CAPA Login</title> 243: </head> 244: ENDHEADER 245: # ---------------------------------------------------- Serve out DES JavaScript 246: { 247: my $jsh=Apache::File->new($include."/londes.js"); 248: $r->print(<$jsh>); 249: } 250: 251: # ----------------------------------------------------------- Front page design 252: my $pgbg= 253: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF'); 254: my $font= 255: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000'); 256: my $link= 257: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF'); 258: my $vlink= 259: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF'); 260: my $alink=&Apache::loncommon::designparm('login.alink',$domain); 261: my $mainbg= 262: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF'); 263: my $sidebg= 264: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF'); 265: my $logo=&Apache::loncommon::designparm('login.logo',$domain); 266: my $img=&Apache::loncommon::designparm('login.img',$domain); 267: 268: # ----------------------------------------------------------------------- Texts 269: 270: my %lt=&Apache::lonlocal::texthash( 271: 'un' => 'Username', 272: 'pw' => 'Password', 273: 'dom' => 'Domain', 274: 'perc' => 'percent', 275: 'load' => 'Load', 276: 'userload' => 'User Load', 277: 'about' => 'aboutlon.gif', 278: 'access' => 'accessbutton.gif', 279: 'auth' => 'userauthentication.gif', 280: 'log' => 'Log in', 281: 'help' => 'Help', 282: 'serv' => 'Server', 283: 'servadm' => 'Server Administration', 284: 'sysadm' => 'System Administration', 285: 'helpdesk' => 'Contact Helpdesk'); 286: # -------------------------------------------------- Change password field name 287: my $now=time; 288: # ---------------------------------------------------------- Serve rest of page 289: $r->print(<<ENDSCRIPT); 290: 291: <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink" 292: topmargin=0 leftmargin=0 marginwidth=0 marginheight=0> 293: 294: <script language="JavaScript"> 295: function send() 296: { 297: this.document.server.elements.uname.value 298: =this.document.client.elements.uname.value; 299: 300: this.document.server.elements.udom.value 301: =this.document.client.elements.udom.value; 302: 303: this.document.server.elements.imagesuppress.value 304: =this.document.client.elements.imagesuppress.checked; 305: 306: this.document.server.elements.embedsuppress.value 307: =this.document.client.elements.embedsuppress.checked; 308: 309: this.document.server.elements.appletsuppress.value 310: =this.document.client.elements.appletsuppress.checked; 311: 312: this.document.server.elements.fontenhance.value 313: =this.document.client.elements.fontenhance.checked; 314: 315: this.document.server.elements.blackwhite.value 316: =this.document.client.elements.blackwhite.checked; 317: 318: this.document.server.elements.remember.value 319: =this.document.client.elements.remember.checked; 320: 321: uextkey=this.document.client.elements.uextkey.value; 322: lextkey=this.document.client.elements.lextkey.value; 323: initkeys(); 324: 325: this.document.server.elements.upass0.value 326: =crypted(this.document.client.elements.upass$now.value.substr(0,15)); 327: this.document.server.elements.upass1.value 328: =crypted(this.document.client.elements.upass$now.value.substr(15,15)); 329: this.document.server.elements.upass2.value 330: =crypted(this.document.client.elements.upass$now.value.substr(30,15)); 331: 332: this.document.client.elements.uname.value=''; 333: this.document.client.elements.upass$now.value=''; 334: 335: this.document.server.submit(); 336: return false; 337: } 338: </script> 339: ENDSCRIPT 340: 341: if ($fullgraph) { 342: $r->print( 343: '<table width="100%" cellpadding=0 cellspacing=0 border=0>'); 344: } 345: 346: $r->print(<<ENDSERVERFORM); 347: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top"> 348: <input type="hidden" name="logtoken" value="$logtoken" /> 349: <input type="hidden" name="serverid" value="$lonhost" /> 350: <input type="hidden" name="interface" value="$env{'form.interface'}" /> 351: <input type="hidden" name="uname" value="" /> 352: <input type="hidden" name="upass0" value="" /> 353: <input type="hidden" name="upass1" value="" /> 354: <input type="hidden" name="upass2" value="" /> 355: <input type="hidden" name="udom" value="" /> 356: <input type="hidden" name="imagesuppress" value="" /> 357: <input type="hidden" name="appletsuppress" value="" /> 358: <input type="hidden" name="embedsuppress" value="" /> 359: <input type="hidden" name="fontenhance" value="" /> 360: <input type="hidden" name="blackwhite" value="" /> 361: <input type="hidden" name="remember" value="" /> 362: <input type="hidden" name="localpath" value="$env{'form.localpath'}" /> 363: <input type="hidden" name="localres" value="$env{'form.localres'}" /> 364: </form> 365: ENDSERVERFORM 366: if ($fullgraph) { $r->print(<<ENDTOP); 367:  368: <tr> 369: 370:  371: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td> 372: </tr> 373: 374:  375: <tr> 376: 377:  378: <td width=182 height=27 bgcolor="$sidebg"> </td> 379: 380:  381: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td> 382: 383:  384: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td> 385: 386:  387: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td> 388: </tr> 389: <tr> 390: 391:  392:  393: <td valign="top" height=60 align="center" bgcolor="$sidebg"> 394: <a href="/adm/login?interface=textual"><img src="$iconpath/$lt{'access'}" border=0 alt="Accessibility Options" /></a> 395: <br /> 396: <a href="/adm/about.html"><img src="$iconpath/$lt{'about'}" border=0 alt="About LON-CAPA" /></a> 397: </td> 398: 399:  400:  401: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td> 402: 403:  404:  405: <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg"> 406: <center> 407: <img src="$logo" alt="" /> 408: </center> 409: </td> 410: 411:  412: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td> 413: </tr> 414: <tr> 415: 416:  417:  418: <td align="center" valign="middle" bgcolor="$sidebg"> 419: ENDTOP 420: } else { 421: $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements); 422: } 423: $r->print('<form name="client" onsubmit="return(send())">'); 424: unless ($fullgraph) { 425: $r->print(<<ENDACCESSOPTIONS); 426: <h3>Select Accessibility Options</h3> 427: <label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br /> 428: <label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br /> 429: <label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br /> 430: <label><input type="checkbox" name="fontenhance" /> Increase font size</label><br /> 431: <label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><br /> 432: <p>If you have accessibility needs that are not addressed by this interface, 433: please 434: contact the system administrator at <tt>$sysadm</tt>.</p><br /> 435: <input type="checkbox" name="remember" /> Remember these settings for next login<hr /> 436: ENDACCESSOPTIONS 437: } else { 438: $r->print(<<ENDNOOPT); 439: <input type="hidden" name="imagesuppress" value="" /> 440: <input type="hidden" name="embedsuppress" value="" /> 441: <input type="hidden" name="appletsuppress" value="" /> 442: <input type="hidden" name="fontenhance" value="" /> 443: <input type="hidden" name="blackwhite" value="" /> 444: <input type="hidden" name="remember" value="" /> 445: ENDNOOPT 446: } 447: $r->print(<<ENDLOGIN); 448: <input type="hidden" name="lextkey" value="$lextkey"> 449: <input type="hidden" name="uextkey" value="$uextkey"> 450: 451:  452: <table border=0 cellspacing=0 cellpadding=0> 453: <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/$lt{'auth'}" alt="User Authentication" /></td></tr> 454: <tr> 455: <td bgcolor="$mainbg"><br /><font size=-1><b>   $lt{'un'}:</b></font></td> 456: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td> 457: </tr> 458: <tr> 459: <td bgcolor="$mainbg"><font size=-1><b>   $lt{'pw'}:</b></font></td> 460: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td> 461: </tr> 462: <tr> 463: <td bgcolor="$mainbg"><font size=-1><b>   $lt{'dom'}:</b></font></td> 464: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td> 465: </tr> 466: <tr> 467: <td bgcolor="$mainbg">   <a href="/adm/loginproblems.html">$lt{'help'}</a></td> 468: <td bgcolor="$mainbg" valign="bottom" align="center"> 469: <br /> 470: <input type="submit" value="$lt{'log'}" /> 471: </td> 472: </tr> 473: </table> 474:  475: </form> 476: ENDLOGIN 477: if ($fullgraph) { 478: my $helpdeskscript; 479: my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version,$authdomain,\$helpdeskscript); 480: $r->print(<<ENDDOCUMENT); 481: </td> 482: 483:  484: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td> 485: 486:  487: <td bgcolor="$mainbg">$announcements</td> 488: 489:  490: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td> 491: </tr> 492: <tr> 493: 494:  495: <td bgcolor="$sidebg" valign="middle" align="left"> 496: <br /> 497: <table border=0 cellspacing=0 cellpadding=0> 498: <tr> 499: <td bgcolor="$sidebg" align="left" valign="top"> 500: <small><b>   $lt{'dom'}: </b></small> 501: </td> 502: <td bgcolor="$sidebg" align="left" valign="top"> 503: <small><tt> $domain</tt></small> 504: </td> 505: </tr> 506: <tr> 507: <td bgcolor="$sidebg" align="left" valign="top"> 508: <small><b>   $lt{'serv'}: </b></small> 509: </td> 510: <td bgcolor="$sidebg" align="left" valign="top"> 511: <small><tt> $lonhost ($role)</tt></small> 512: </td> 513: </tr> 514: <tr> 515: <td bgcolor="$sidebg" align="left" valign="top"> 516: <small><b>   $lt{'load'}: </b></small> 517: </td> 518: <td bgcolor="$sidebg" align="left" valign="top"> 519: <small><tt> $loadpercent $lt{'perc'}</tt></small> 520: </td> 521: </tr> 522: <tr> 523: <td bgcolor="$sidebg" align="left" valign="top"> 524: <small><b>   $lt{'userload'}: </b></small> 525: </td> 526: <td bgcolor="$sidebg" align="left" valign="top"> 527: <small><tt> $userloadpercent $lt{'perc'}</tt></small> 528: </td> 529: </tr> 530: </table> 531: <br /> 532: $contactblock 533: </td> 534: 535:  536: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td> 537: 538:  539: <td width="100%" valign="bottom" bgcolor="$mainbg"> 540: $domainlogo 541: </td> 542: 543:  544: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td> 545: </tr> 546: <tr> 547: 548:  549: <td bgcolor="$sidebg"> </td> 550: 551:  552: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td> 553: 554:  555: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td> 556: 557:  558: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td> 559: </tr> 560: </table> 561: 562: <script type="text/javascript"> 563: // the if prevents the script error if the browser can not handle this 564: if ( document.client.uname ) { document.client.uname.focus(); } 565: </script> 566: $helpdeskscript 567: 568: ENDDOCUMENT 569: } 570: $r->print('</body></html>'); 571: return OK; 572: } 573: 574: sub contactdisplay { 575: my ($lt,$sysadm,$servadm,$version,$authdomain,$helpdeskscript) = @_; 576: my $contactblock; 577: my $showsysadm = 1; 578: my $showservadm = 1; 579: my $showhelpdesk = 0; 580: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; 581: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) { 582: $showhelpdesk = 1; 583: } 584: if ($showsysadm) { 585: $contactblock .= '<b>   '.$$lt{'sysadm'}.':</b><br />'. 586: '<tt>      '.$sysadm.'</tt><br />'; 587: } 588: if ($showservadm) { 589: $contactblock .= '<b>   '.$$lt{'servadm'}.':</b><br />'. 590: '<tt>      '.$servadm.'</tt><br /> <br />'; 591: } 592: if ($showhelpdesk) { 593: $contactblock .= '<b>   <a href="javascript:helpdesk()">'.$$lt{'helpdesk'}.'</a></b><br />'; 594: my $thisurl = &Apache::lonnet::escape('/adm/login'); 595: $$helpdeskscript = <<"ENDSCRIPT"; 596: <script type="text/javascript"> 597: function helpdesk() { 598: var codedom = document.client.udom.value; 599: if (codedom == '') { 600: codedom = "$authdomain"; 601: } 602: var querystr = "origurl=$thisurl&codedom="+codedom; 603: document.location.href = "/adm/helpdesk?"+querystr; 604: return; 605: } 606: </script> 607: ENDSCRIPT 608: } 609: $contactblock .= <<"ENDBLOCK"; 610:    $version 611: ENDBLOCK 612: return $contactblock; 613: } 614: 615: 616: 1; 617: __END__