Annotation of loncom/auth/lonlogin.pm, revision 1.12

1.1       albertel    1: # The LearningOnline Network
                      2: # Login Screen
1.11      www         3: #
1.12    ! albertel    4: # $Id: lonlogin.pm,v 1.11 2001/11/29 19:12:44 www 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: #
1.2       www        28: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
1.10      www        29: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9,
                     30: # 1/17/01 Gerd Kortemeyer
1.1       albertel   31: #
                     32: package Apache::lonlogin;
                     33: 
                     34: use strict;
                     35: use Apache::Constants qw(:common);
                     36: use Apache::File ();
                     37: use Apache::lonnet();
1.12    ! albertel   38: use Apache::loncommon();
1.1       albertel   39: 
                     40: sub handler {
                     41:     my $r = shift;
                     42:     $r->content_type('text/html');
1.12    ! albertel   43:     &Apache::loncommon::no_cache($r);
1.1       albertel   44:     $r->send_http_header;
                     45:     return OK if $r->header_only;
                     46: 
                     47:     my $iconpath= $r->dir_config('lonIconsURL');
                     48:     my $domain  = $r->dir_config('lonDefDomain');
                     49:     my $role    = $r->dir_config('lonRole');
                     50:     my $loadlim = $r->dir_config('lonLoadLim');
                     51:     my $servadm = $r->dir_config('lonAdmEMail');
                     52:     my $sysadm  = $r->dir_config('lonSysEMail');
                     53:     my $lonhost = $r->dir_config('lonHostID');
                     54:     my $tabdir  = $r->dir_config('lonTabDir');
1.6       www        55:     my $include = $r->dir_config('lonIncludes');
1.1       albertel   56: 
                     57:     my $loadavg;
                     58:    {
                     59:        my $loadfile=Apache::File->new('/proc/loadavg');
                     60:        $loadavg=<$loadfile>;
                     61:    }
                     62:     $loadavg =~ s/\s.*//g;
                     63:     my $loadpercent=100*$loadavg/$loadlim;
                     64: 
1.10      www        65:     my $otherserver='http://'.$ENV{'SERVER_NAME'};
1.5       www        66:     my $firsturl=$ENV{'request.firsturl'};
1.1       albertel   67: # ---------------------------------------- Are we access server and overloaded?
                     68:     if (($role eq 'access') && ($loadpercent>100.0)) {
                     69:         $otherserver=Apache::lonnet::spareserver();
                     70:     }
1.6       www        71: 
                     72: # -------------------------------------------------------- Set login parameters
                     73: 
                     74:     my @hexstr=('0','1','2','3','4','5','6','7',
                     75:                 '8','9','a','b','c','d','e','f');
                     76:     my $lkey='';
                     77:     for (0..7) {
                     78:         $lkey.=$hexstr[rand(15)];
                     79:     }
                     80: 
                     81:     my $ukey='';
                     82:     for (0..7) {
                     83:         $ukey.=$hexstr[rand(15)];
                     84:     }
                     85: 
                     86:     my $lextkey=hex($lkey);
                     87:     my $uextkey=hex($ukey);
                     88:     my $logtoken=Apache::lonnet::reply(
1.7       www        89:        'tmpput:'.$ukey.$lkey.'&'.$firsturl,
1.6       www        90:        $lonhost);
                     91: 
                     92: # --------------------------------------------------- Print login screen header
                     93:     $r->print(<<ENDHEADER);
1.1       albertel   94: <html>
                     95: <head>
1.2       www        96: <title>The LearningOnline Network with CAPA Login</title>
1.1       albertel   97: </head>
1.6       www        98: ENDHEADER
                     99: # ---------------------------------------------------- Serve out DES JavaScript
                    100:     {
                    101: 	my $jsh=Apache::File->new($include."/londes.js");
                    102:         $r->print(<$jsh>);
                    103:     }
                    104: # ---------------------------------------------------------- Serve rest of page
                    105:     $r->print(<<ENDDOCUMENT);
                    106: 
1.8       www       107: <body bgcolor="#FFFFFF" text="#000000" link="#999999" vlink="#999999"
                    108:  onLoad="init();">
1.6       www       109: 
                    110: <script language="JavaScript">
                    111: 
                    112:     function send() {
                    113: 	this.document.server.elements.uname.value
                    114:        =this.document.client.elements.uname.value;
                    115: 
                    116:         this.document.server.elements.udom.value
                    117:        =this.document.client.elements.udom.value;
                    118: 
                    119:         uextkey=this.document.client.elements.uextkey.value;
                    120:         lextkey=this.document.client.elements.lextkey.value;
                    121:         initkeys();
                    122: 
                    123:         this.document.server.elements.upass.value
                    124: 	    =crypted(this.document.client.elements.upass.value);
                    125: 
                    126:         this.document.server.submit();
                    127:     }
                    128: 
                    129: </script>
                    130: 
1.8       www       131: <a href="/adm/accessibility.html">Accessibility Options</a>
                    132: &nbsp;&nbsp;
                    133: <a href="/adm/about.html">About LON-CAPA</a><p>
1.1       albertel  134: <table width=600>
1.8       www       135: <tr><td>
                    136: <img src="$iconpath/lonlogo.gif"></td>
                    137: <td colspan=2 bgcolor="#DDDDDD">
1.2       www       138: <font size=+1><b>User Authentication</b></font><p>
                    139: 
1.6       www       140:  <form name="server" action="$otherserver/adm/authenticate" 
                    141:   method="post" target="_top">
                    142:   <input type=hidden name=logtoken value="$logtoken">
                    143:   <input type=hidden name=serverid value="$lonhost">
                    144:   <input type=hidden name=uname value="">
                    145:   <input type=hidden name=upass value="">
                    146:   <input type=hidden name=udom value="">
                    147:  </form>
                    148: 
                    149:  <form name="client">
1.1       albertel  150:  <table border=2 bgcolor="#BBBBBB">
                    151:  <tr><td>Username:</td><td><input type=text size=10 name=uname></td></tr>
                    152:  <tr><td>Password:</td><td><input type=password size=10 name=upass></td></tr>
                    153:  <tr><td>Domain:</td><td><input type=text size=10 value=$domain name=udom></td>
                    154:  </tr>
1.6       www       155:  <tr><td colspan=2><input type=button value=Login onClick="send();"></td></tr>
1.1       albertel  156:  </table>
1.6       www       157:  <input type=hidden name=lextkey value="$lextkey">
                    158:  <input type=hidden name=uextkey value="$uextkey">
1.1       albertel  159:  </form>
1.6       www       160: 
1.1       albertel  161: </td>
                    162: </tr><tr><td bgcolor="#DDDDDD">
                    163: <table border=1 bgcolor="#BBBBBB">
1.2       www       164: <tr><td><font size="-1"><b>Domain:</b></font></td>
                    165:     <td><font size="-1"><tt>$domain</tt></font></td>
1.9       www       166:     <td rowspan=3><font size="-1"><b>System Administration:</b><br>
1.1       albertel  167:                   <tt>$sysadm</tt><br>
                    168:                   <b>Server Administration:</b><br>
                    169:                   <tt>$servadm</tt></font></td></tr>
1.2       www       170: <tr><td><font size="-1"><b>Server:</b></font></td>
                    171:     <td><font size="-1"><tt>$lonhost ($role)</tt></font></td></tr>
                    172: <tr><td><font size="-1"><b>Load:</b></font></td>
                    173:     <td><font size="-1"><tt>$loadpercent</tt> percent</font></td></tr>
                    174: </table>
1.1       albertel  175: </td><td>
1.8       www       176: <font size="+1">
1.3       www       177: <b>L</b>aboratory&nbsp;for<br>
                    178: <b>I</b>nstructional<br>
                    179: <b>T</b>echnology&nbsp;in<br>
1.1       albertel  180: <b>E</b>ducation</td><td>
1.8       www       181: <img src="$iconpath/liteani.gif"></font></td></tr></table>
1.1       albertel  182: </body>
                    183: </html>
                    184: ENDDOCUMENT
                    185:     return OK;
                    186: } 
                    187: 
                    188: 1;
                    189: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>