modules/gci/lonlogin.pm - view

File: [LON-CAPA] / modules / gci / lonlogin.pm
Revision 1.2: download - view: text, annotated - select for diffs
Wed Sep 23 13:14:19 2009 UTC (14 years, 7 months ago) by gci
Branches: MAIN
CVS tags: HEAD

- Backport 1.115, 1.116, 1.117, 1.123, 1.124.

1: # The LearningOnline Network 2: # Login Screen 3: # 4: # $Id: lonlogin.pm,v 1.2 2009/09/23 13:14:19 gci 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 $r->header_only; 64: 65: 66: # Are we re-routing? 67: if (-e '/home/httpd/html/lon-status/reroute.txt') { 68: &Apache::lonauth::reroute($r); 69: return OK; 70: } 71: 72: 73: # -------------------------------- Prevent users from attempting to login twice 74: my $handle = &Apache::lonnet::check_for_valid_session($r); 75: if ($handle=~/^publicuser\_/) { 76: # For "public user" - remove it, we apparently really want to login 77: unlink($r->dir_config('lonIDsDir')."/$handle.id"); 78: } elsif ($handle ne '') { 79: # Indeed, a valid token is found 80: my $start_page = 81: &Apache::loncommon::start_page('Already logged in'); 82: my $end_page = 83: &Apache::loncommon::end_page(); 84: $r->print( 85: $start_page 86: .'<h1>'.&mt('You are already logged in!').'</h1>' 87: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].', 88: '<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').'</p>' 89: .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>' 90: .$end_page 91: ); 92: return OK; 93: } 94: 95: # ---------------------------------------------------- No valid token, continue 96: 97: # ---------------------------- Not possible to really login to domain "public" 98: if ($env{'form.domain'} eq 'public') { 99: $env{'form.domain'}=''; 100: $env{'form.username'}=''; 101: } 102: # ----------------------------------------------------------- Process Interface 103: $env{'form.interface'}=~s/\W//g; 104: 105: my $textbrowsers=$r->dir_config('lonTextBrowsers'); 106: my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; 107: 108: foreach (split(/\:/,$textbrowsers)) { 109: if ($httpbrowser=~/$_/i) { 110: $env{'form.interface'}='textual'; 111: } 112: } 113: 114: my $fullgraph=($env{'form.interface'} ne 'textual'); 115: 116: my $iconpath= 117: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL')); 118: 119: my $domain = &Apache::lonnet::default_login_domain(); 120: if (($env{'form.domain'}) && 121: (&Apache::lonnet::domain($env{'form.domain'},'description'))) { 122: $domain=$env{'form.domain'}; 123: } 124: my $role = $r->dir_config('lonRole'); 125: my $loadlim = $r->dir_config('lonLoadLim'); 126: my $servadm = $r->dir_config('lonAdmEMail'); 127: my $lonhost = $r->dir_config('lonHostID'); 128: my $tabdir = $r->dir_config('lonTabDir'); 129: my $include = $r->dir_config('lonIncludes'); 130: my $expire = $r->dir_config('lonExpire'); 131: my $version = $r->dir_config('lonVersion'); 132: my $host_name = &Apache::lonnet::hostname($lonhost); 133: 134: # --------------------------------------------- Default values for login fields 135: 136: my $authusername=($env{'form.username'}?$env{'form.username'}:''); 137: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain); 138: 139: # ---------------------------------------------------------- Determine own load 140: my $loadavg; 141: { 142: my $loadfile=Apache::File->new('/proc/loadavg'); 143: $loadavg=<$loadfile>; 144: } 145: $loadavg =~ s/\s.*//g; 146: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim); 147: my $userloadpercent=&Apache::lonnet::userload(); 148: 149: # ------------------------------------------------------- Do the load balancing 150: my $otherserver= &Apache::lonnet::absolute_url($host_name); 151: my $firsturl= 152: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'}); 153: # ---------------------------------------------------------- Are we overloaded? 154: if ((($userloadpercent>100.0)||($loadpercent>100.0))) { 155: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent); 156: if ($unloaded) { $otherserver=$unloaded; } 157: } 158: 159: # ----------------------------------------------------------- Get announcements 160: my $announcements=&Apache::lonnet::getannounce(); 161: # -------------------------------------------------------- Set login parameters 162: 163: my @hexstr=('0','1','2','3','4','5','6','7', 164: '8','9','a','b','c','d','e','f'); 165: my $lkey=''; 166: for (0..7) { 167: $lkey.=$hexstr[rand(15)]; 168: } 169: 170: my $ukey=''; 171: for (0..7) { 172: $ukey.=$hexstr[rand(15)]; 173: } 174: 175: my $lextkey=hex($lkey); 176: if ($lextkey>2147483647) { $lextkey-=4294967296; } 177: 178: my $uextkey=hex($ukey); 179: if ($uextkey>2147483647) { $uextkey-=4294967296; } 180: 181: # -------------------------------------------------------- Store away log token 182: my $tokenextras; 183: if ($env{'form.role'}) { 184: $tokenextras = '&role='.&escape($env{'form.role'}); 185: } 186: if ($env{'form.symb'}) { 187: if (!$tokenextras) { 188: $tokenextras = '&'; 189: } 190: $tokenextras .= '&symb='.&escape($env{'form.symb'}); 191: } 192: my $logtoken=Apache::lonnet::reply( 193: 'tmpput:'.$ukey.$lkey.'&'.$firsturl, 194: $lonhost); 195: 196: # ------------------- If we cannot talk to ourselves, we are in serious trouble 197: 198: if ($logtoken eq 'con_lost') { 199: my $spares=''; 200: my $last; 201: foreach my $hostid (sort 202: { 203: &Apache::lonnet::hostname($a) cmp 204: &Apache::lonnet::hostname($b); 205: } 206: keys(%Apache::lonnet::spareid)) { 207: next if ($hostid eq $lonhost); 208: my $hostname = &Apache::lonnet::hostname($hostid); 209: next if ($last eq $hostname); 210: $spares.='<br /><font size="+1"><a href="http://'. 211: $hostname. 212: '/adm/login?domain='.$authdomain.'">'. 213: $hostname.'</a>'. 214: ' '.&mt('(preferred)').'</font>'.$/; 215: $last=$hostname; 216: } 217: $spares.= '<br />'; 218: my %all_hostnames = &Apache::lonnet::all_hostnames(); 219: foreach my $hostid (sort 220: { 221: &Apache::lonnet::hostname($a) cmp 222: &Apache::lonnet::hostname($b); 223: } 224: keys(%all_hostnames)) { 225: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); 226: my $hostname = &Apache::lonnet::hostname($hostid); 227: next if ($last eq $hostname); 228: $spares.='<br /><a href="http://'. 229: $hostname. 230: '/adm/login?domain='.$authdomain.'">'. 231: $hostname.'</a>'; 232: $last=$hostname; 233: } 234: $r->print( 235: '<html>' 236: .'<head><title>' 237: .&mt('The LearningOnline Network with CAPA') 238: .'</title></head>' 239: .'<body bgcolor="#FFFFFF">' 240: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>' 241: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />' 242: .'<h3>'.&mt('The GCI WebCenter server is temporarily not available for login.').'</h3>' 243: .'</body>' 244: .'</html>' 245: ); 246: return OK; 247: } 248: 249: # ----------------------------------------------- Apparently we are in business 250: $servadm=~s/\,/\<br \/\>/g; 251: 252: # ----------------------------------------------------------- Front page design 253: my $pgbg= 254: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF'); 255: my $font= 256: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000'); 257: my $link= 258: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF'); 259: my $vlink= 260: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF'); 261: my $alink=&Apache::loncommon::designparm('login.alink',$domain); 262: my $mainbg= 263: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF'); 264: my $sidebg= 265: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF'); 266: my $textcol = 267: ($fullgraph?&Apache::loncommon::designparm('login.textcol',$domain):'#000000'); 268: my $bgcol = 269: ($fullgraph?&Apache::loncommon::designparm('login.bgcol',$domain):'#FFFFFF'); 270: my $logo=&Apache::loncommon::designparm('login.logo',$domain); 271: my $img=&Apache::loncommon::designparm('login.img',$domain); 272: my $domainlogo=&Apache::loncommon::domainlogo($domain); 273: my $login=&Apache::loncommon::designparm('login.login',$domain); 274: if ($login eq '') { 275: $login = $iconpath.'/'.&mt('userauthentication.gif'); 276: } 277: my $showbanner = 1; 278: my $showmainlogo = 1; 279: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) { 280: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain); 281: } 282: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) { 283: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain); 284: } 285: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain); 286: my $showcoursecat = 287: &Apache::loncommon::designparm('login.coursecatalog',$domain); 288: my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain); 289: my $shownewuserlink = 290: &Apache::loncommon::designparm('login.newuser',$domain); 291: my $now=time; 292: my $js = (<<ENDSCRIPT); 293: 294: <script type="text/javascript" language="JavaScript"> 295: // <![CDATA[ 296: function send(caller) 297: { 298: 299: if (caller == "newaccount") { 300: this.document.signup.submit(); 301: return false; 302: } 303: if (document.client.uname.value == "" || !document.client.uname.value) { 304: alert("You must provide a username "); 305: return false; 306: } 307: if (document.client.upass$now.value == "" || !document.client.upass$now.value) { 308: alert("You must provide a password"); 309: return false; 310: } 311: 312: this.document.server.elements.uname.value 313: =this.document.client.elements.uname.value; 314: 315: this.document.server.elements.udom.value 316: =this.document.client.elements.udom.value; 317: 318: this.document.server.elements.imagesuppress.value 319: =this.document.client.elements.imagesuppress.checked; 320: 321: this.document.server.elements.embedsuppress.value 322: =this.document.client.elements.embedsuppress.checked; 323: 324: this.document.server.elements.appletsuppress.value 325: =this.document.client.elements.appletsuppress.checked; 326: 327: this.document.server.elements.fontenhance.value 328: =this.document.client.elements.fontenhance.checked; 329: 330: this.document.server.elements.blackwhite.value 331: =this.document.client.elements.blackwhite.checked; 332: 333: this.document.server.elements.remember.value 334: =this.document.client.elements.remember.checked; 335: 336: uextkey=this.document.client.elements.uextkey.value; 337: lextkey=this.document.client.elements.lextkey.value; 338: initkeys(); 339: 340: this.document.server.elements.upass0.value 341: =crypted(this.document.client.elements.upass$now.value.substr(0,15)); 342: this.document.server.elements.upass1.value 343: =crypted(this.document.client.elements.upass$now.value.substr(15,15)); 344: this.document.server.elements.upass2.value 345: =crypted(this.document.client.elements.upass$now.value.substr(30,15)); 346: 347: this.document.client.elements.uname.value=''; 348: this.document.client.elements.upass$now.value=''; 349: 350: this.document.server.submit(); 351: return false; 352: } 353: </script> 354: // ]]> 355: ENDSCRIPT 356: 357: # --------------------------------------------------- Print login screen header 358: 359: my %add_entries = (topmargin => "0", 360: leftmargin => "0", 361: marginheight => "0", 362: marginwidth => "0", 363: bgcolor => "$pgbg", 364: text => "$font", 365: link => "$link", 366: vlink => "$vlink", 367: alink => "$alink", 368: onload => "if ( document.client.uname ) { document.client.uname.focus(); }", 369: marginheight => "0",); 370: 371: $js .= "\n".'<link type="text/css" rel="stylesheet" href="/css/login.css">'."\n"; 372: $r->print(&Apache::loncommon::start_page('GCI WebCenter Login',$js, 373: { 'redirect' => [$expire,'/adm/roles'], 374: 'add_entries' => \%add_entries, 375: 'only_body' => 1,})); 376: 377: # ----------------------------------------------------------------------- Texts 378: 379: my %lt=&Apache::lonlocal::texthash( 380: 'un' => 'Username', 381: 'pw' => 'Password', 382: 'dom' => 'Domain', 383: 'load' => 'Server Load', 384: 'userload' => 'User Load', 385: 'about' => 'About LON-CAPA', 386: 'access' => 'Accessibility Options', 387: 'catalog' => 'Course Catalog', 388: 'log' => 'Log in', 389: 'help' => 'Log-in Help', 390: 'serv' => 'Server', 391: 'servadm' => 'Server Administration', 392: 'helpdesk' => 'Contact Helpdesk', 393: 'forgotpw' => 'Forgot password?', 394: 'newuser' => 'New User?', 395: 'options_headline' => 'Select Accessibility Options', 396: 'sprs_img' => 'Suppress rendering of images', 397: 'sprs_applet' => 'Suppress Java applets', 398: 'sprs_embed' => 'Suppress rendering of embedded multimedia', 399: 'sprs_font' => 'Increase font size', 400: 'sprs_blackwhite' => 'Switch to black and white mode', 401: 'remember' => 'Remember these settings for next login', 402: 'tbli' => 'Text-based Interface Login'); 403: # -------------------------------------------------- Change password field name 404: my $forgotpw = &forgotpwdisplay(%lt); 405: my $loginhelp = &loginhelpdisplay(%lt); 406: 407: # ---------------------------------------------------- Serve out DES JavaScript 408: { 409: my $jsh=Apache::File->new($include."/londes.js"); 410: $r->print(<$jsh>); 411: } 412: # ---------------------------------------------------------- Serve rest of page 413: 414: my $coursecatalog; 415: if (($showcoursecat eq '') || ($showcoursecat)) { 416: $coursecatalog = &coursecatalog_link($lt{'catalog'},$fullgraph); 417: } 418: my $newuserlink; 419: if ($shownewuserlink) { 420: $newuserlink = &newuser_link($lt{'newuser'}); 421: } 422: if ($fullgraph) { 423: $r->print(<<"END_OF_BLOCK2"); 424: <br /> 425: <div align="center"> 426: <table class="LC_loginbox"> 427: <tr> 428: <td align="left" valign="top" width="12"> 429: <img name="login_r1_c1" src="/images/login/lclogin_r1_c1.gif" width="12" height="10" border="0" alt=""> 430: </td> 431: <td width="450" valign="top"> 432: <table class="LC_loginbox_left"> 433: <tr> 434: <td width="411" align="left"><br /><img src="/images/login/gcilogo_smrnd.png" width="411" height="51" align="left"></td> 435: </tr> 436: <tr> 437: <td> 438: <div align="left" style="display:block; margin-top:5px; margin-bottom:5px; margin-left:0px; margin-right:0px; width:440px; height:5px;"> 439: <div style="display:block; background-color:#4C6C84; width:100%; height:5px; color:#000000; margin:0px;"> 440: </div> 441: </div> 442: </td> 443: </tr> 444: </table> 445: <table class="LC_loginbox_left"> 446: <tr> 447: <td height="10" colspan="4"> </td> 448: </tr> 449: <tr> 450: <td width="10"> </td> 451: <td valign="top" class="bodyblue" width="430" align="left"> 452: <span style="font-size: 18px; line-height: 22px; "><font style="font-size: 18px; line-height: 22px;"><br />New to the WebCenter?</font></span><br> 453: <font class="bodyblue">The Geoscience Concept Inventory (GCI) <a href="http://gci.lite.msu.edu/">WebCenter</a> is a place to comment on existing concept questions and submit new ones.<br /><br />The WebCenter runs on <a href="http://loncapa.org/">LON-CAPA</a> - an open source freeware distributed learning content management and assessment system.</font><br /><br /> 454: <font class="bodyblue"><b>Create a GCI WebCenter ID</b>  use your ID to submit comments or new content. If you are already a GCI WebCenter user, please log-in.</font><br /><br /><br /> 455: <form name="signup" method="post" action="/adm/createaccount?courseid=gci_9615072b469884921gcil1"><input type="hidden" name="process" value="signup"/> 456: <table class="LC_signup"> 457: <tr> 458: <td align="left" valign="top" width="10" height="9"><img src="/images/login/lclogin_r2_c4.png" width="11" height="11" border="0" alt=""></td> 459: <td> </td> 460: <td align="right" valign="top" width="9" height="10"><img src="/images/login/lclogin_r2_c6.png" width="11 height="11" border="0" alt=""></td> 461: </tr> 462: <tr> 463: <td align="center" valign="top" colspan="3">New to GCI WebCenter: <a href="javascript:send('newaccount')" style="color: #ffffff">Click here to sign up</a><br /></td> 464: </tr> 465: <tr> 466: <td align="left" valign="bottom" width="10" height="10"><img src="/images/login/lclogin_r8_c4.png" width="11" height="11" border="0" alt=""></td> 467: <td> </td> 468: <td align="right" valign="bottom" width="9" height="10"><img src="/images/login/lclogin_r8_c6.png" width="11" height="11" border="0" alt=""></td> 469: </tr> 470: </table> 471: </form> 472: </td> 473: </tr> 474: </table> 475: </td> 476: <td width="10"> </td> 477: <td valign="top"> 478: <form name="client" method="post" action="" onsubmit="return(send());"> 479: <table class="LC_loginbox_right"> 480: <tr> 481: <td colspan="3" height="23" class="LC_loginbox_strip"> </td> 482: </tr> 483: <tr> 484: <td align="left" valign="top" width="10" height="9"><img src="/images/login/lclogin_r2_c4.png" width="11" height="11" border="0" alt=""></td> 485: <td> </td> 486: <td align="right" valign="top" width="9" height="10"><img src="/images/login/lclogin_r2_c6.png" width="11 height="11" border="0" alt=""></td> 487: </tr> 488: <tr> 489: <td width="10"> </td> 490: <td> 491: <table border="0" cellspacing="0" cellpadding="0"> 492: <tr> 493: <td align="right" class="bodywhite" height=50><br> 494: <span style="font-size: 15px; line-height: 17px; font-weight: bold;"> 495: Existing WebCenter user?</span> 496: <br />Please log-in.<br> 497: <hr size=1 noshade color="#FFFFBB"><br /><br /> 498: </td> 499: </tr> 500: <tr> 501: <td> 502: <table border="0" cellpadding="2" cellspacing="0"> 503: <tr> 504: <td align="right" class="bodywhite"><label for="uname">$lt{'un'}</label>:</td> 505: <td align="right"><input type="text" name="uname" size="17" value="$authusername" /></td> 506: </tr> 507: <tr> 508: <td align="right" class="bodywhite"><label for="upass$now">$lt{'pw'}</label>:</td> 509: <td align="right"><input name="upass$now" size="17" value="" type="password"><input type="hidden" name="udom" value="gci" /></td> 510: </tr> 511: <tr><td> </td></tr> 512: <tr> 513: <td colspan="2" align="right"><input name="signin" type="submit" value="Log-in" class=buttonwhite /></td> 514: </tr> 515: </table> 516: </td> 517: </tr> 518: <tr> 519: <td align="right" valign="top" class="bodywhite"> 520: <br /> 521: <br /><br /> 522: <hr size="1" noshade color="#FFFFBB" /> 523: <br /> 524: <a href="/adm/resetpw" style="color: #ffffff">Forgot your password?</a><br> 525: <br /> 526: </td> 527: </tr> 528: </table> 529: </td> 530: <td width="9"> </td> 531: </tr> 532: <tr> 533: <td align="left" valign="bottom" width="10" height="10"><img src="/images/login/lclogin_r8_c4.png" width="11" height="11" border="0" alt=""></td> 534: <td> </td> 535: <td align="right" valign="bottom" width="9" height="10"><img src="/images/login/lclogin_r8_c6.png" width="11" height="11" border="0" alt=""></td> 536: </tr> 537: <tr> 538: <td colspan="3" height="10" class="LC_loginbox_strip"> </td> 539: </tr> 540: </table> 541: </td> 542: <td align="right" valign="top" width="10"><img src="/images/login/lclogin_r1_c7.gif" width="10" height="10" border="0" alt=""></td> 543: </tr> 544: <tr> 545: <td colspan="4"> 546: <table border="0" cellspacing="0" cellpadding="0"> 547: <tr> 548: <td width="10"> </td> 549: <td><font size="-1"> 550: <b>Note</b>:<br> 551: If log-in fails, it may be because your browser is not accepting session cookies, or javascript is disabled. <a href="http://loncapa.msu.edu/student/cookies.html">Learn more</a>. 552: </font> 553: </td> 554: <td width="10"> </td> 555: </tr> 556: </table> 557: </td> 558: </tr> 559: <tr> 560: <td align="left" valign="bottom" width="12"><img src="/images/login/lclogin_r9_c1.gif" width="12" height="10" border="0" alt=""></td> 561: <td colspan="3" width="698"> </td> 562: <td align="right" valign="bottom" width="10"><img src="/images/login/lclogin_r9_c7.gif" width="10" height="10" border="0" alt=""></td> 563: </tr> 564: </table> 565: </div> 566: <p> </p> 567: <noscript><font size='3'>  <b>Please Note:</b> 568: Javascript must be enabled in your web browser in order to use this web site. 569: </font></noscript> 570: <p> </p> 571: <input type="hidden" name="imagesuppress" value="" /> 572: <input type="hidden" name="embedsuppress" value="" /> 573: <input type="hidden" name="appletsuppress" value="" /> 574: <input type="hidden" name="fontenhance" value="" /> 575: <input type="hidden" name="blackwhite" value="" /> 576: <input type="hidden" name="remember" value="" /> 577: END_OF_BLOCK2 578: } else { 579: $r->print(<<ENDACCESSOPTIONS); 580: <h1>The Learning<i>Online</i> Network with CAPA</h1> 581: <h2>$lt{'tbli'}</h2>$announcements 582: <h3>$lt{'options_headline'}</h3> 583: <form name="client" action="" onsubmit="return(send())"> 584: <label><input type="checkbox" name="imagesuppress" /> $lt{'sprs_img'}</label><br /> 585: <label><input type="checkbox" name="appletsuppress" /> $lt{'sprs_applet'}</label><br /> 586: <label><input type="checkbox" name="embedsuppress" /> $lt{'sprs_embed'}</label><br /> 587: <label><input type="checkbox" name="fontenhance" /> $lt{'sprs_font'}</label><br /> 588: <label><input type="checkbox" name="blackwhite" /> $lt{'sprs_blackwhite'}</label><br /> 589: <br /> 590: <input type="checkbox" name="remember" /> $lt{'remember'} 591: ENDACCESSOPTIONS 592: } 593: $r->print(' 594: <input type="hidden" name="lextkey" value="'.$lextkey.'" /> 595: <input type="hidden" name="uextkey" value="'.$uextkey.'" /> 596: '); 597: unless ($fullgraph) { 598: my $logintitle; 599: if ($loginheader eq 'text') { 600: $logintitle = '<td bgcolor="'.$bgcol.'" colspan="2">   <b><font size="+1" color="'.$textcol.'">'.$lt{'log'}.'</font></b></td>'; 601: } else { 602: $logintitle = '<td bgcolor="'.$sidebg.'" colspan="2"><img src="'.$login.'" alt="'. 603: &mt('User Authentication').'" /></td>'; 604: } 605: my $noscript_warning='<td colspan="2" bgcolor="'.$mainbg.'">' 606: .'<noscript><div class="LC_warning"><font size="-1">' 607: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.') 608: .'</font></div></noscript></td>'; 609: $r->print(<<ENDTEXTUAL); 610: <hr /> 611: <table border=0 cellspacing="0" cellpadding="0"> 612: <tr>$logintitle</tr> 613: <tr>$noscript_warning</tr> 614: <tr> 615: <td bgcolor="$mainbg"><br /><font size=-1><b>   <label for="uname">$lt{'un'}</label>:</b></font></td> 616: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td> 617: </tr> 618: <tr> 619: <td bgcolor="$mainbg"><font size=-1><b>   <label for="upass$now">$lt{'pw'}</label>:</b></font></td> 620: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td> 621: </tr> 622: <tr> 623: <td bgcolor="$mainbg"> </td> 624: <td bgcolor="$mainbg" valign="bottom" align="center"> 625: <br /> 626: <input type="submit" value="$lt{'log'}" /> 627: <input type="hidden" name="udom" value="'gci'" /> 628: </td> 629: </tr> 630: <tr> 631: <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2"> 632: $loginhelp 633: $forgotpw 634: $newuserlink 635: $coursecatalog 636: <br /> 637: </td> 638: </tr> 639: </table> 640: ENDTEXTUAL 641: } 642: $r->print(<<"ENDLOGIN"); 643: </form> 644: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top"> 645: <input type="hidden" name="logtoken" value="$logtoken" /> 646: <input type="hidden" name="serverid" value="$lonhost" /> 647: <input type="hidden" name="interface" value="$env{'form.interface'}" /> 648: <input type="hidden" name="uname" value="" /> 649: <input type="hidden" name="upass0" value="" /> 650: <input type="hidden" name="upass1" value="" /> 651: <input type="hidden" name="upass2" value="" /> 652: <input type="hidden" name="udom" value="" /> 653: <input type="hidden" name="imagesuppress" value="" /> 654: <input type="hidden" name="appletsuppress" value="" /> 655: <input type="hidden" name="embedsuppress" value="" /> 656: <input type="hidden" name="fontenhance" value="" /> 657: <input type="hidden" name="blackwhite" value="" /> 658: <input type="hidden" name="remember" value="" /> 659: <input type="hidden" name="localpath" value="$env{'form.localpath'}" /> 660: <input type="hidden" name="localres" value="$env{'form.localres'}" /> 661: </form> 662: ENDLOGIN 663: if ($fullgraph) { 664: my $helpdeskscript; 665: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, 666: $version,$authdomain,\$helpdeskscript); 667: } 668: my %endargs = ( 'noredirectlink' => 1, ); 669: $r->print(&Apache::loncommon::end_page(\%endargs)); 670: return OK; 671: } 672: 673: sub contactdisplay { 674: my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_; 675: my $contactblock; 676: my $showhelpdesk = 0; 677: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; 678: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) { 679: $showhelpdesk = 1; 680: } 681: if ($servadm && $showadminmail) { 682: $contactblock .= '<b>   '.$$lt{'servadm'}.':</b><br />'. 683: '<tt>      '.$servadm.'</tt><br /> <br />'; 684: } 685: if ($showhelpdesk) { 686: $contactblock .= '<b>   <a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />'; 687: my $thisurl = &escape('/adm/login'); 688: $$helpdeskscript = <<"ENDSCRIPT"; 689: <script type="text/javascript"> 690: // <![CDATA[ 691: function helpdesk() { 692: var codedom = document.client.udom.value; 693: if (codedom == '') { 694: codedom = "$authdomain"; 695: } 696: var querystr = "origurl=$thisurl&codedom="+codedom; 697: document.location.href = "/adm/helpdesk?"+querystr; 698: return; 699: } 700: // ]]> 701: </script> 702: ENDSCRIPT 703: } 704: $contactblock .= <<"ENDBLOCK"; 705:    $version 706: ENDBLOCK 707: return $contactblock; 708: } 709: 710: sub forgotpwdisplay { 711: my (%lt) = @_; 712: my $prompt_for_resetpw = 1; 713: if ($prompt_for_resetpw) { 714: return '<br />   <a href="/adm/resetpw"><b>'.$lt{'forgotpw'}.'</b></a><br />'; 715: } 716: return; 717: } 718: 719: sub loginhelpdisplay { 720: my (%lt) = @_; 721: my $login_help = 1; 722: if ($login_help) { 723: return '   <a href="/adm/loginproblems.html"><b>'.$lt{'help'}.'</b></a>'; 724: } 725: return; 726: } 727: 728: sub coursecatalog_link { 729: my ($linkname,$fullgraph) = @_; 730: my $link = '/adm/coursecatalog'; 731: if (!$fullgraph) { 732: $link.= '?interface=textual'; 733: } 734: return '   <a href="/adm/coursecatalog"><b>'.$linkname.'</b></a><br />'; 735: END 736: } 737: 738: sub newuser_link { 739: my ($linkname) = @_; 740: return '   <a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />'; 741: } 742: 743: 1; 744: __END__