Annotation of loncom/auth/lonlogin.pm, revision 1.143

1.1       albertel    1: # The LearningOnline Network
                      2: # Login Screen
1.11      www         3: #
1.143   ! raeburn     4: # $Id: lonlogin.pm,v 1.142 2010/08/25 22:03:51 raeburn Exp $
1.11      www         5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.14      albertel   28: 
1.1       albertel   29: package Apache::lonlogin;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
                     33: use Apache::File ();
1.63      albertel   34: use Apache::lonnet;
1.12      albertel   35: use Apache::loncommon();
1.49      www        36: use Apache::lonauth();
1.50      www        37: use Apache::lonlocal;
1.71      albertel   38: use Apache::migrateuser();
1.75      www        39: use lib '/home/httpd/lib/perl/';
                     40: use LONCAPA;
                     41:  
1.1       albertel   42: sub handler {
                     43:     my $r = shift;
1.71      albertel   44: 
                     45:     &Apache::loncommon::get_unprocessed_cgi
1.79      albertel   46: 	(join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
                     47: 	      $ENV{'REDIRECT_QUERY_STRING'}),
1.71      albertel   48: 	 ['interface','username','domain','firsturl','localpath','localres',
1.123     raeburn    49: 	  'token','role','symb']);
1.102     raeburn    50:     if (!defined($env{'form.firsturl'})) {
                     51:         &Apache::lonacc::get_posted_cgi($r,['firsturl']);
                     52:     }
1.71      albertel   53: 
                     54: # -- check if they are a migrating user
                     55:     if (defined($env{'form.token'})) {
                     56: 	return &Apache::migrateuser::handler($r);
                     57:     }
                     58: 
1.53      www        59:     &Apache::loncommon::no_cache($r);
                     60:     &Apache::lonlocal::get_language_handle($r);
1.54      www        61:     &Apache::loncommon::content_type($r,'text/html');
1.1       albertel   62:     $r->send_http_header;
                     63:     return OK if $r->header_only;
                     64: 
1.49      www        65: 
                     66: # Are we re-routing?
                     67:     if (-e '/home/httpd/html/lon-status/reroute.txt') {
                     68: 	&Apache::lonauth::reroute($r);
                     69: 	return OK;
                     70:     }
1.55      www        71: 
1.143   ! raeburn    72:     $env{'form.firsturl'} =~ s/(`)/'/g;
1.71      albertel   73: 
1.55      www        74: # -------------------------------- Prevent users from attempting to login twice
1.95      albertel   75:     my $handle = &Apache::lonnet::check_for_valid_session($r);
1.135     raeburn    76:     if ($handle ne '') {
                     77:         my $lonidsdir=$r->dir_config('lonIDsDir');
                     78:         if ($handle=~/^publicuser\_/) {
1.70      www        79: # For "public user" - remove it, we apparently really want to login
1.135     raeburn    80: 	    unlink($r->dir_config('lonIDsDir')."/$handle.id");
                     81:         } else {
1.55      www        82: # Indeed, a valid token is found
1.135     raeburn    83:             &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
                     84: 	    my $start_page = 
                     85: 	        &Apache::loncommon::start_page('Already logged in');
                     86: 	    my $end_page = 
                     87: 	        &Apache::loncommon::end_page();
                     88:             my $dest = '/adm/roles';
                     89:             if ($env{'form.firsturl'} ne '') {
                     90:                 $dest = $env{'form.firsturl'}; 
                     91:             }
                     92: 	    $r->print(
1.100     bisitz     93:                   $start_page
1.103     bisitz     94:                  .'<h1>'.&mt('You are already logged in!').'</h1>'
1.117     hauer      95:                  .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
1.125     raeburn    96:                   '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
1.135     raeburn    97:                  .$end_page
1.100     bisitz     98:                  );
1.135     raeburn    99:             return OK;
                    100:         }
1.55      www       101:     }
                    102: 
                    103: # ---------------------------------------------------- No valid token, continue
1.16      www       104: 
1.70      www       105:  # ---------------------------- Not possible to really login to domain "public"
                    106:     if ($env{'form.domain'} eq 'public') {
                    107: 	$env{'form.domain'}='';
                    108: 	$env{'form.username'}='';
                    109:     }
1.32      www       110: # ----------------------------------------------------------- Process Interface
1.63      albertel  111:     $env{'form.interface'}=~s/\W//g;
1.16      www       112: 
1.32      www       113:     my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.94      albertel  114: 
                    115:     my $iconpath= 
                    116: 	&Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
                    117: 
1.126     raeburn   118:     my $lonhost = $r->dir_config('lonHostID');
1.87      raeburn   119:     my $domain = &Apache::lonnet::default_login_domain();
1.126     raeburn   120:     if ($lonhost ne '') {
1.133     raeburn   121:         my $redirect = &check_loginvia($domain,$lonhost);
                    122:         if ($redirect) {
                    123:             $r->print($redirect);
                    124:             return OK;
                    125:         } 
1.126     raeburn   126:     }
                    127: 
1.63      albertel  128:     if (($env{'form.domain'}) && 
1.89      albertel  129: 	(&Apache::lonnet::domain($env{'form.domain'},'description'))) {
1.63      albertel  130: 	$domain=$env{'form.domain'};
1.46      www       131:     }
1.1       albertel  132:     my $role    = $r->dir_config('lonRole');
                    133:     my $loadlim = $r->dir_config('lonLoadLim');
1.90      raeburn   134:     my $servadm = $r->dir_config('lonAdmEMail');
1.1       albertel  135:     my $tabdir  = $r->dir_config('lonTabDir');
1.6       www       136:     my $include = $r->dir_config('lonIncludes');
1.37      www       137:     my $expire  = $r->dir_config('lonExpire');
1.44      www       138:     my $version = $r->dir_config('lonVersion');
1.88      albertel  139:     my $host_name = &Apache::lonnet::hostname($lonhost);
1.1       albertel  140: 
1.30      www       141: # --------------------------------------------- Default values for login fields
                    142: 
1.63      albertel  143:     my $authusername=($env{'form.username'}?$env{'form.username'}:'');
                    144:     my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
1.30      www       145: 
                    146: # ---------------------------------------------------------- Determine own load
1.1       albertel  147:     my $loadavg;
1.41      albertel  148:     {
                    149: 	my $loadfile=Apache::File->new('/proc/loadavg');
                    150: 	$loadavg=<$loadfile>;
                    151:     }
1.1       albertel  152:     $loadavg =~ s/\s.*//g;
1.57      matthew   153:     my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
1.41      albertel  154:     my $userloadpercent=&Apache::lonnet::userload();
1.1       albertel  155: 
1.31      www       156:     my $firsturl=
1.63      albertel  157:     ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
1.141     raeburn   158: 
1.45      www       159: # ----------------------------------------------------------- Get announcements
                    160:     my $announcements=&Apache::lonnet::getannounce();
1.6       www       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);
1.15      www       176:     if ($lextkey>2147483647) { $lextkey-=4294967296; }
                    177: 
1.6       www       178:     my $uextkey=hex($ukey);
1.15      www       179:     if ($uextkey>2147483647) { $uextkey-=4294967296; }
                    180: 
1.31      www       181: # -------------------------------------------------------- Store away log token
1.123     raeburn   182:     my $tokenextras;
                    183:     if ($env{'form.role'}) {
                    184:         $tokenextras = '&role='.&escape($env{'form.role'});
                    185:     }
                    186:     if ($env{'form.symb'}) {
1.124     raeburn   187:         if (!$tokenextras) {
                    188:             $tokenextras = '&';
                    189:         }
1.123     raeburn   190:         $tokenextras .= '&symb='.&escape($env{'form.symb'});
                    191:     }
1.6       www       192:     my $logtoken=Apache::lonnet::reply(
1.123     raeburn   193:        'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras,
1.6       www       194:        $lonhost);
1.31      www       195: 
                    196: # ------------------- If we cannot talk to ourselves, we are in serious trouble
                    197: 
                    198:     if ($logtoken eq 'con_lost') {
                    199:         my $spares='';
1.64      albertel  200: 	my $last;
                    201:         foreach my $hostid (sort
                    202: 			    {
1.88      albertel  203: 				&Apache::lonnet::hostname($a) cmp
                    204: 				    &Apache::lonnet::hostname($b);
1.64      albertel  205: 			    }
                    206: 			    keys(%Apache::lonnet::spareid)) {
1.58      matthew   207:             next if ($hostid eq $lonhost);
1.88      albertel  208: 	    my $hostname = &Apache::lonnet::hostname($hostid);
                    209: 	    next if ($last eq $hostname);
1.58      matthew   210:             $spares.='<br /><font size="+1"><a href="http://'.
1.88      albertel  211:                 $hostname.
1.58      matthew   212:                 '/adm/login?domain='.$authdomain.'">'.
1.88      albertel  213:                 $hostname.'</a>'.
1.106     bisitz    214:                 ' '.&mt('(preferred)').'</font>'.$/;
1.88      albertel  215: 	    $last=$hostname;
1.58      matthew   216:         }
1.107     tempelho  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: $r->print(
                    235:    '<html>'
                    236:   .'<head><title>'
                    237:   .&mt('The LearningOnline Network with CAPA')
                    238:   .'</title></head>'
                    239:   .'<body bgcolor="#FFFFFF">'
                    240:   .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
                    241:   .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
                    242:   .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'
                    243:   .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>'
                    244:   .$spares
                    245:   .'</body>'
                    246:   .'</html>'
                    247: );
                    248: return OK;
                    249: }
1.31      www       250: 
                    251: # ----------------------------------------------- Apparently we are in business
1.107     tempelho  252: $servadm=~s/\,/\<br \/\>/g;
1.38      www       253: 
1.21      www       254: # ----------------------------------------------------------- Front page design
1.119     tempelho  255: my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
                    256: my $font=&Apache::loncommon::designparm('login.font',$domain);
                    257: my $link=&Apache::loncommon::designparm('login.link',$domain);
                    258: my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
1.107     tempelho  259: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
1.119     tempelho  260: my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
1.137     bisitz    261: my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain);
                    262: my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain);
                    263: my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain);
1.107     tempelho  264: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
                    265: my $img=&Apache::loncommon::designparm('login.img',$domain);
1.141     raeburn   266: my $domainlogo=&Apache::loncommon::domainlogo($domain);
1.109     raeburn   267: my $showbanner = 1;
                    268: my $showmainlogo = 1;
                    269: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
                    270:     $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
                    271: }
                    272: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
                    273:     $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
                    274: }
1.107     tempelho  275: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
                    276: my $showcoursecat =
                    277: &Apache::loncommon::designparm('login.coursecatalog',$domain);
                    278: my $shownewuserlink = 
                    279: &Apache::loncommon::designparm('login.newuser',$domain);
                    280: my $now=time;
                    281: my $js = (<<ENDSCRIPT);
                    282: 
1.116     bisitz    283: <script type="text/javascript" language="JavaScript">
1.122     bisitz    284: // <![CDATA[
1.107     tempelho  285: function send()
                    286: {
                    287: this.document.server.elements.uname.value
                    288: =this.document.client.elements.uname.value;
                    289: 
                    290: this.document.server.elements.udom.value
                    291: =this.document.client.elements.udom.value;
                    292: 
                    293: uextkey=this.document.client.elements.uextkey.value;
                    294: lextkey=this.document.client.elements.lextkey.value;
                    295: initkeys();
                    296: 
                    297: this.document.server.elements.upass0.value
                    298:     =crypted(this.document.client.elements.upass$now.value.substr(0,15));
                    299: this.document.server.elements.upass1.value
                    300:     =crypted(this.document.client.elements.upass$now.value.substr(15,15));
                    301: this.document.server.elements.upass2.value
                    302:     =crypted(this.document.client.elements.upass$now.value.substr(30,15));
1.6       www       303: 
1.107     tempelho  304: this.document.client.elements.uname.value='';
                    305: this.document.client.elements.upass$now.value='';
1.6       www       306: 
1.107     tempelho  307: this.document.server.submit();
                    308: return false;
                    309: }
1.139     raeburn   310: 
                    311: function enableInput() {
                    312:     this.document.client.elements.upass$now.removeAttribute("readonly");
                    313:     this.document.client.elements.uname.removeAttribute("readonly");
                    314:     this.document.client.elements.udom.removeAttribute("readonly");
                    315:     return;
                    316: }
                    317: 
1.122     bisitz    318: // ]]>
1.107     tempelho  319: </script>
1.98      raeburn   320: 
1.16      www       321: ENDSCRIPT
1.6       www       322: 
1.98      raeburn   323: # --------------------------------------------------- Print login screen header
                    324: 
1.118     tempelho  325: my %add_entries = (
1.108     tempelho  326: 	       bgcolor      => "$mainbg",
1.107     tempelho  327: 	       text         => "$font",
                    328: 	       link         => "$link",
                    329: 	       vlink        => "$vlink",
1.139     raeburn   330: 	       alink        => "$alink",
                    331:                onload       => 'javascript:enableInput();',);
1.107     tempelho  332: 
                    333: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
                    334: 			       { 'redirect'       => [$expire,'/adm/roles'], 
                    335: 				 'add_entries' => \%add_entries,
                    336: 				 'only_body'   => 1,}));
1.98      raeburn   337: 
                    338: # ----------------------------------------------------------------------- Texts
                    339: 
                    340: my %lt=&Apache::lonlocal::texthash(
1.129     bisitz    341:           'un'       => 'Username',
                    342:           'pw'       => 'Password',
                    343:           'dom'      => 'Domain',
                    344:           'perc'     => 'percent',
                    345:           'load'     => 'Server Load',
                    346:           'userload' => 'User Load',
                    347:           'catalog'  => 'Course/Community Catalog',
                    348:           'log'      => 'Log in',
                    349:           'help'     => 'Log-in Help',
                    350:           'serv'     => 'Server',
                    351:           'servadm'  => 'Server Administration',
                    352:           'helpdesk' => 'Contact Helpdesk',
                    353:           'forgotpw' => 'Forgot password?',
                    354:           'newuser'  => 'New User?',
                    355:        );
1.98      raeburn   356: # -------------------------------------------------- Change password field name
1.131     jms       357: 
1.107     tempelho  358: my $forgotpw = &forgotpwdisplay(%lt);
1.132     bisitz    359: $forgotpw .= '<br />' if $forgotpw;
1.135     raeburn   360: my $loginhelp = &loginhelpdisplay($authdomain,%lt);
1.132     bisitz    361: $loginhelp .= '<br />' if $loginhelp;
1.98      raeburn   362: 
                    363: # ---------------------------------------------------- Serve out DES JavaScript
1.107     tempelho  364: {
                    365: my $jsh=Apache::File->new($include."/londes.js");
                    366: $r->print(<$jsh>);
                    367: }
1.98      raeburn   368: # ---------------------------------------------------------- Serve rest of page
                    369: 
1.107     tempelho  370: $r->print(
1.137     bisitz    371:     '<div class="LC_Box"'
                    372:    .' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">'
                    373: );
1.6       www       374: 
1.120     foxr      375: #
                    376: #  If the loadbalancing yielded just http:// because perhaps there's no loadbalancing?
                    377: #  then just us a relative link to authenticate:
                    378: #
                    379: 
1.107     tempelho  380: $r->print(<<ENDSERVERFORM);
1.140     raeburn   381: <form name="server" action="/adm/authenticate" method="post" target="_top">
1.33      www       382:    <input type="hidden" name="logtoken" value="$logtoken" />
                    383:    <input type="hidden" name="serverid" value="$lonhost" />
                    384:    <input type="hidden" name="uname" value="" />
1.65      www       385:    <input type="hidden" name="upass0" value="" />
                    386:    <input type="hidden" name="upass1" value="" />
                    387:    <input type="hidden" name="upass2" value="" />
1.33      www       388:    <input type="hidden" name="udom" value="" />
1.63      albertel  389:    <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
                    390:    <input type="hidden" name="localres" value="$env{'form.localres'}" />
1.14      albertel  391:   </form>
1.16      www       392: ENDSERVERFORM
1.108     tempelho  393: my $coursecatalog;
                    394: if (($showcoursecat eq '') || ($showcoursecat)) {
1.132     bisitz    395:     $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />';
1.108     tempelho  396: }
                    397: my $newuserlink;
                    398: if ($shownewuserlink) {
1.132     bisitz    399:     $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
1.108     tempelho  400: }
1.137     bisitz    401: my $logintitle =
                    402:     '<h2 class="LC_hcell"'
                    403:    .' style="background:'.$loginbox_header_bgcol.';'
1.138     bisitz    404:    .' color:'.$loginbox_header_textcol.'">'
                    405:    .$lt{'log'}
                    406:    .'</h2>';
1.108     tempelho  407: 
                    408: my $noscript_warning='<noscript><span class="LC_warning"><b>'
                    409:                      .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
                    410:                     .'</b></span></noscript>';
                    411: my $helpdeskscript;
                    412: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
1.132     bisitz    413:                                    $authdomain,\$helpdeskscript);
1.107     tempelho  414: 
1.108     tempelho  415: my $loginform=(<<LFORM);
1.122     bisitz    416: <form name="client" action="" onsubmit="return(send())">
1.115     bisitz    417:   <input type="hidden" name="lextkey" value="$lextkey" />
                    418:   <input type="hidden" name="uextkey" value="$uextkey" />
1.108     tempelho  419:   <b><label for="uname">$lt{'un'}</label>:</b><br />
1.139     raeburn   420:   <input type="text" name="uname" id="uname" size="15" value="$authusername" readonly="readonly" /><br />
1.108     tempelho  421:   <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
1.139     raeburn   422:   <input type="password" name="upass$now" id="upass$now" size="15" readonly="readonly" /><br />
1.108     tempelho  423:   <b><label for="udom">$lt{'dom'}</label>:</b><br />
1.139     raeburn   424:   <input type="text" name="udom" id="udom" size="15" value="$authdomain" readonly="readonly" /><br />
1.108     tempelho  425:   <input type="submit" value="$lt{'log'}" />
                    426: </form>
                    427: LFORM
                    428: 
1.109     raeburn   429:     if ($showbanner) {
                    430:         $r->print(<<HEADER);
                    431: <!-- The LON-CAPA Header -->
1.132     bisitz    432: <div style="background:$pgbg;margin:0;width:100%;">
                    433:   <img src="$img" border="0" alt="The Learning Online Network with CAPA" />
                    434: </div>
1.109     raeburn   435: HEADER
                    436:     }
                    437:     $r->print(<<ENDTOP);
1.137     bisitz    438: <div style="float:left;">
                    439: <div class="LC_Box" style="background:$loginbox_bg;">
1.112     muellerd  440:   $logintitle
1.137     bisitz    441:   $loginform
                    442:   $noscript_warning
1.108     tempelho  443: </div>
1.107     tempelho  444:   
1.137     bisitz    445: <div class="LC_Box" style="padding-top: 10px;">
1.132     bisitz    446:   $loginhelp
                    447:   $forgotpw
                    448:   $contactblock
                    449:   $newuserlink
1.130     bisitz    450:   $coursecatalog
1.107     tempelho  451: </div>
1.118     tempelho  452: </div>
1.137     bisitz    453: 
                    454: <div>
1.118     tempelho  455: ENDTOP
                    456:     if ($showmainlogo) {
                    457:         $r->print(' <img src="'.$logo.'" alt="" />'."\n");
                    458:     }
                    459: $r->print(<<ENDTOP);
                    460: $announcements
1.137     bisitz    461: </div>
                    462: <hr style="clear:both;" />
1.108     tempelho  463: ENDTOP
                    464: 
                    465: $r->print(<<ENDDOCUMENT);
1.141     raeburn   466:     <div style="float: left;">
1.115     bisitz    467:      <table border="0" cellspacing="0" cellpadding="0">
1.14      albertel  468:       <tr>
1.110     muellerd  469:        <td  align="left" valign="top">
1.132     bisitz    470:         <small><b>$lt{'dom'}:&nbsp;</b></small>
1.14      albertel  471:        </td>
1.110     muellerd  472:        <td  align="left" valign="top">
1.14      albertel  473:         <small><tt>&nbsp;$domain</tt></small>
                    474:        </td>
                    475:       </tr>
                    476:       <tr>
1.110     muellerd  477:        <td  align="left" valign="top">
1.132     bisitz    478:         <small><b>$lt{'serv'}:&nbsp;</b></small>
1.14      albertel  479:        </td>
1.110     muellerd  480:        <td align="left" valign="top">
1.14      albertel  481:         <small><tt>&nbsp;$lonhost ($role)</tt></small>
                    482:        </td>
                    483:       </tr>
                    484:       <tr>
1.110     muellerd  485:        <td align="left" valign="top">
1.132     bisitz    486:         <small><b>$lt{'load'}:&nbsp;</b></small>
1.14      albertel  487:        </td>
1.110     muellerd  488:        <td align="left" valign="top">
1.51      www       489:         <small><tt>&nbsp;$loadpercent $lt{'perc'}</tt></small>
1.42      albertel  490:        </td>
                    491:       </tr>
                    492:       <tr>
1.110     muellerd  493:        <td align="left" valign="top">
1.132     bisitz    494:         <small><b>$lt{'userload'}:&nbsp;</b></small>
1.42      albertel  495:        </td>
1.110     muellerd  496:        <td align="left" valign="top">
1.51      www       497:         <small><tt>&nbsp;$userloadpercent $lt{'perc'}</tt></small>
1.14      albertel  498:        </td>
                    499:       </tr>
1.132     bisitz    500:       <tr>
                    501:        <td colspan="2" align="left">
                    502:         <small>$version</small>
                    503:        </td>
                    504:       </tr>
1.14      albertel  505:      </table>
1.141     raeburn   506:     </div>
                    507:     <div style="float: right;">
                    508:     $domainlogo
                    509:     </div>
                    510:     <br style="clear:both;" />
1.107     tempelho  511:  </div>
1.25      bowersj2  512: 
1.59      albertel  513: <script type="text/javascript">
1.122     bisitz    514: // <![CDATA[
1.59      albertel  515: // the if prevents the script error if the browser can not handle this
1.25      bowersj2  516: if ( document.client.uname ) { document.client.uname.focus(); }
1.122     bisitz    517: // ]]>
1.25      bowersj2  518: </script>
1.62      raeburn   519: $helpdeskscript
1.14      albertel  520: 
1.1       albertel  521: ENDDOCUMENT
1.98      raeburn   522:     my %endargs = ( 'noredirectlink' => 1, );
                    523:     $r->print(&Apache::loncommon::end_page(\%endargs));
1.1       albertel  524:     return OK;
1.60      raeburn   525: }
                    526: 
1.133     raeburn   527: sub check_loginvia {
                    528:     my ($domain,$lonhost) = @_;
                    529:     if ($domain eq '' || $lonhost eq '') {
                    530:         return;
                    531:     }
                    532:     my %domconfhash = &Apache::loncommon::get_domainconf($domain);
                    533:     my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost};
                    534:     my $loginvia_exempt = $domconfhash{$domain.'.login.loginvia_exempt_'.$lonhost};
                    535:     my $output;
                    536:     if ($loginvia ne '') {
                    537:         my $noredirect;
                    538:         my $ip = $ENV{'REMOTE_ADDR'};
                    539:         if ($ip eq '127.0.0.1') {
                    540:             $noredirect = 1;
                    541:         } else {
                    542:             if ($loginvia_exempt ne '') {
                    543:                 my @exempt = split(',',$loginvia_exempt);
                    544:                 if (grep(/^\Q$ip\E$/,@exempt)) {
                    545:                     $noredirect = 1;
                    546:                 }
                    547:             }
                    548:         }
                    549:         unless ($noredirect) {
                    550:             my ($newhost,$path);
                    551:             if ($loginvia =~ /:/) {
                    552:                 ($newhost,$path) = split(':',$loginvia);
                    553:             } else {
                    554:                 $newhost = $loginvia;
                    555:             }
                    556:             if ($newhost ne $lonhost) {
                    557:                 if (&Apache::lonnet::hostname($newhost) ne '') {
                    558:                     $output = &redirect_page($newhost,$path);
                    559:                 }
                    560:             }
                    561:         }
                    562:     }
                    563:     return $output;
                    564: }
                    565: 
1.126     raeburn   566: sub redirect_page {
1.133     raeburn   567:     my ($desthost,$path) = @_;
1.126     raeburn   568:     my $protocol = $Apache::lonnet::protocol{$desthost};
                    569:     $protocol = 'http' if ($protocol ne 'https');
1.133     raeburn   570:     unless ($path =~ m{^/}) {
                    571:         $path = '/'.$path;
                    572:     }
                    573:     my $url = $protocol.'://'.&Apache::lonnet::hostname($desthost).$path;
1.126     raeburn   574:     if ($env{'form.firsturl'} ne '') {
                    575:         $url .='?firsturl='.$env{'form.firsturl'};
                    576:     }
1.136     raeburn   577:     my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,
1.126     raeburn   578:                                                     {'redirect' => [0,$url],});
                    579:     my $end_page   = &Apache::loncommon::end_page();
                    580:     return $start_page.$end_page;
                    581: }
                    582: 
1.60      raeburn   583: sub contactdisplay {
1.132     bisitz    584:     my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript) = @_;
1.60      raeburn   585:     my $contactblock;
1.62      raeburn   586:     my $showhelpdesk = 0;
                    587:     my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
                    588:     if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
                    589:         $showhelpdesk = 1;
                    590:     }
1.90      raeburn   591:     if ($servadm && $showadminmail) {
1.130     bisitz    592:         $contactblock .= $$lt{'servadm'}.':<br />'.
                    593:                          '<tt>'.$servadm.'</tt><br />';
1.90      raeburn   594:     }
1.60      raeburn   595:     if ($showhelpdesk) {
1.114     tempelho  596:         $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
1.75      www       597:         my $thisurl = &escape('/adm/login');
1.62      raeburn   598:         $$helpdeskscript = <<"ENDSCRIPT";
                    599: <script type="text/javascript">
1.122     bisitz    600: // <![CDATA[
1.62      raeburn   601: function helpdesk() {
                    602:     var codedom = document.client.udom.value;
                    603:     if (codedom == '') {
                    604:         codedom = "$authdomain";
                    605:     }
                    606:     var querystr = "origurl=$thisurl&codedom="+codedom;
                    607:     document.location.href = "/adm/helpdesk?"+querystr;
                    608:     return;
                    609: }
1.122     bisitz    610: // ]]>
1.62      raeburn   611: </script>
                    612: ENDSCRIPT
1.60      raeburn   613:     }
                    614:     return $contactblock;
                    615: }
1.83      raeburn   616: 
                    617: sub forgotpwdisplay {
1.84      raeburn   618:     my (%lt) = @_;
1.83      raeburn   619:     my $prompt_for_resetpw = 1; 
                    620:     if ($prompt_for_resetpw) {
1.107     tempelho  621:         return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
1.84      raeburn   622:     }
                    623:     return;
                    624: }
                    625: 
                    626: sub loginhelpdisplay {
1.135     raeburn   627:     my ($authdomain,%lt) = @_;
1.84      raeburn   628:     my $login_help = 1;
                    629:     if ($login_help) {
1.135     raeburn   630:         my $dom = $authdomain;
                    631:         if ($dom eq '') {
                    632:             $dom = &Apache::lonnet::default_login_domain();
                    633:         }
                    634:         my %helpconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$dom);
                    635:         my $loginhelp_url = $helpconfig{'helpsettings'}{'loginhelpurl'};
                    636:         if ($loginhelp_url ne '') {
                    637:             return '<a href="'.$loginhelp_url.'">'.$lt{'help'}.'</a>';
1.131     jms       638:         } else {
1.135     raeburn   639:             return '<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a>';
                    640:         }
1.83      raeburn   641:     }
                    642:     return;
                    643: }
1.1       albertel  644: 
1.90      raeburn   645: sub coursecatalog_link {
                    646:     my ($linkname) = @_;
                    647:     return <<"END";
1.137     bisitz    648:       <a href="/adm/coursecatalog">$linkname</a>
1.90      raeburn   649: END
                    650: }
                    651: 
1.101     raeburn   652: sub newuser_link {
                    653:     my ($linkname) = @_;
1.130     bisitz    654:     return '<a href="/adm/createaccount">'.$linkname.'</a>';
1.101     raeburn   655: }
                    656: 
1.1       albertel  657: 1;
                    658: __END__

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