Annotation of loncom/auth/lonlogin.pm, revision 1.13
1.1 albertel 1: # The LearningOnline Network
2: # Login Screen
1.11 www 3: #
1.13 ! albertel 4: # $Id: lonlogin.pm,v 1.12 2002/02/19 21:20:48 albertel 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: $r->print(<<ENDDOCUMENT);
106:
1.13 ! albertel 107: <body bgcolor="#FFFFFE" text="#000000" link="#999999" vlink="#999999"
1.8 www 108: onLoad="init();">
1.6 www 109:
110: <script language="JavaScript">
111:
112: function send() {
113: this.document.server.elements.uname.value
114: =this.document.client.elements.uname.value;
115:
116: this.document.server.elements.udom.value
117: =this.document.client.elements.udom.value;
118:
119: uextkey=this.document.client.elements.uextkey.value;
120: lextkey=this.document.client.elements.lextkey.value;
121: initkeys();
122:
123: this.document.server.elements.upass.value
124: =crypted(this.document.client.elements.upass.value);
125:
126: this.document.server.submit();
127: }
128:
129: </script>
130:
1.8 www 131: <a href="/adm/accessibility.html">Accessibility Options</a>
132:
133: <a href="/adm/about.html">About LON-CAPA</a><p>
1.1 albertel 134: <table width=600>
1.8 www 135: <tr><td>
136: <img src="$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 for<br>
178: <b>I</b>nstructional<br>
179: <b>T</b>echnology 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__
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