Annotation of loncom/auth/lonlogin.pm, revision 1.22
1.1 albertel 1: # The LearningOnline Network
2: # Login Screen
1.11 www 3: #
1.22 ! matthew 4: # $Id: lonlogin.pm,v 1.21 2002/08/28 19:42:48 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: #
1.14 albertel 32: # 2/7/02,2/8,2/12,2/14,2/15,2/19 Josh Brunskole
1.19 bowersj2 33: #
34: # 7/10/02 Jeremy Bowers
1.14 albertel 35:
1.1 albertel 36: package Apache::lonlogin;
37:
38: use strict;
39: use Apache::Constants qw(:common);
40: use Apache::File ();
41: use Apache::lonnet();
1.12 albertel 42: use Apache::loncommon();
1.1 albertel 43:
44: sub handler {
45: my $r = shift;
46: $r->content_type('text/html');
1.12 albertel 47: &Apache::loncommon::no_cache($r);
1.1 albertel 48: $r->send_http_header;
49: return OK if $r->header_only;
50:
1.16 www 51:
52: &Apache::loncommon::get_unprocessed_cgi
53: ($ENV{'QUERY_STRING'},['interface']);
1.18 www 54:
55: $ENV{'form.interface'}=~s/\W//g;
1.16 www 56:
57: my $fullgraph=($ENV{'form.interface'} ne 'textual');
58:
1.1 albertel 59: my $iconpath= $r->dir_config('lonIconsURL');
60: my $domain = $r->dir_config('lonDefDomain');
61: my $role = $r->dir_config('lonRole');
62: my $loadlim = $r->dir_config('lonLoadLim');
63: my $servadm = $r->dir_config('lonAdmEMail');
64: my $sysadm = $r->dir_config('lonSysEMail');
65: my $lonhost = $r->dir_config('lonHostID');
66: my $tabdir = $r->dir_config('lonTabDir');
1.6 www 67: my $include = $r->dir_config('lonIncludes');
1.1 albertel 68:
69: my $loadavg;
70: {
71: my $loadfile=Apache::File->new('/proc/loadavg');
72: $loadavg=<$loadfile>;
73: }
74: $loadavg =~ s/\s.*//g;
75: my $loadpercent=100*$loadavg/$loadlim;
76:
1.10 www 77: my $otherserver='http://'.$ENV{'SERVER_NAME'};
1.5 www 78: my $firsturl=$ENV{'request.firsturl'};
1.1 albertel 79: # ---------------------------------------- Are we access server and overloaded?
1.22 ! matthew 80: if (($loadpercent>100.0)) {
! 81: $otherserver=Apache::lonnet::spareserver($loadpercent);
1.1 albertel 82: }
1.6 www 83:
84: # -------------------------------------------------------- Set login parameters
85:
86: my @hexstr=('0','1','2','3','4','5','6','7',
87: '8','9','a','b','c','d','e','f');
88: my $lkey='';
89: for (0..7) {
90: $lkey.=$hexstr[rand(15)];
91: }
92:
93: my $ukey='';
94: for (0..7) {
95: $ukey.=$hexstr[rand(15)];
96: }
97:
98: my $lextkey=hex($lkey);
1.15 www 99: if ($lextkey>2147483647) { $lextkey-=4294967296; }
100:
1.6 www 101: my $uextkey=hex($ukey);
1.15 www 102: if ($uextkey>2147483647) { $uextkey-=4294967296; }
103:
1.6 www 104: my $logtoken=Apache::lonnet::reply(
1.7 www 105: 'tmpput:'.$ukey.$lkey.'&'.$firsturl,
1.6 www 106: $lonhost);
1.20 www 107: my $domainlogo=&Apache::loncommon::domainlogo();
1.6 www 108: # --------------------------------------------------- Print login screen header
109: $r->print(<<ENDHEADER);
1.1 albertel 110: <html>
111: <head>
1.2 www 112: <title>The LearningOnline Network with CAPA Login</title>
1.1 albertel 113: </head>
1.6 www 114: ENDHEADER
115: # ---------------------------------------------------- Serve out DES JavaScript
116: {
117: my $jsh=Apache::File->new($include."/londes.js");
118: $r->print(<$jsh>);
119: }
1.21 www 120:
121: # ----------------------------------------------------------- Front page design
122: my $pgbg=&Apache::loncommon::designparm('login.pgbg');
123: my $font=&Apache::loncommon::designparm('login.font');
124: my $link=&Apache::loncommon::designparm('login.link');
125: my $vlink=&Apache::loncommon::designparm('login.vlink');
126: my $alink=&Apache::loncommon::designparm('login.alink');
127: my $mainbg=&Apache::loncommon::designparm('login.mainbg');
128: my $sidebg=&Apache::loncommon::designparm('login.sidebg');
129: my $logo=&Apache::loncommon::designparm('login.logo');
130: my $img=&Apache::loncommon::designparm('login.img');
131:
132:
1.6 www 133: # ---------------------------------------------------------- Serve rest of page
1.16 www 134: $r->print(<<ENDSCRIPT);
1.6 www 135:
1.21 www 136: <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"
1.14 albertel 137: onLoad="init();" topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
1.6 www 138:
1.14 albertel 139: <script language="JavaScript">
140: function send()
141: {
1.6 www 142: this.document.server.elements.uname.value
143: =this.document.client.elements.uname.value;
144:
145: this.document.server.elements.udom.value
146: =this.document.client.elements.udom.value;
147:
148: uextkey=this.document.client.elements.uextkey.value;
149: lextkey=this.document.client.elements.lextkey.value;
150: initkeys();
151:
152: this.document.server.elements.upass.value
153: =crypted(this.document.client.elements.upass.value);
154:
155: this.document.server.submit();
1.19 bowersj2 156: return false;
1.6 www 157: }
1.14 albertel 158: </script>
1.16 www 159: ENDSCRIPT
1.6 www 160:
1.16 www 161: if ($fullgraph) {
162: $r->print(
163: '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
164: }
1.6 www 165:
1.16 www 166: $r->print(<<ENDSERVERFORM);
1.14 albertel 167: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
168: <input type=hidden name=logtoken value="$logtoken">
169: <input type=hidden name=serverid value="$lonhost">
1.17 www 170: <input type=hidden name=interface value="$ENV{'form.interface'}">
1.14 albertel 171: <input type=hidden name=uname value="">
172: <input type=hidden name=upass value="">
173: <input type=hidden name=udom value="">
174: </form>
1.16 www 175: ENDSERVERFORM
176: if ($fullgraph) { $r->print(<<ENDTOP);
1.14 albertel 177: <!-- The LON-CAPA Header -->
178: <tr>
179:
180: <!-- Row 1 Columns 2-4 -->
1.21 www 181: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="#006600"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
1.14 albertel 182: </tr>
183:
184: <!-- The gray bar that starts the two table frames -->
185: <tr>
186:
187: <!-- Row 2 Column 1 -->
1.21 www 188: <td width=182 height=27 bgcolor="$sidebg"> </td>
1.14 albertel 189:
190: <!-- Row 2 Column 2 -->
1.19 bowersj2 191: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
1.14 albertel 192:
193: <!-- Row 2 Column 3 -->
1.19 bowersj2 194: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
1.14 albertel 195:
196: <!-- Row 2 Column 4 -->
1.19 bowersj2 197: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
1.14 albertel 198: </tr>
199: <tr>
200:
201: <!-- A cell that will hold the 'access' and 'about' buttons -->
202: <!-- Row 3 Column 1 -->
1.21 www 203: <td valign="top" height=60 align="center" bgcolor="$sidebg">
1.19 bowersj2 204: <a href="/adm/login?interface=textual"><img src="$iconpath/accessbutton.gif" border=0 alt="Accessibility Options" /></a>
1.14 albertel 205: <br />
1.19 bowersj2 206: <a href="/adm/about.html"><img src="$iconpath/aboutlon.gif" border=0 alt="About LON-CAPA" /></a>
1.14 albertel 207: </td>
208:
209: <!-- The shaded space between the two main columns -->
210: <!-- Row 3 Column 2 -->
1.19 bowersj2 211: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.14 albertel 212:
213: <!-- The right main column holding the large LON-CAPA logo-->
214: <!-- Rows 3-4 Column 3 -->
1.21 www 215: <td align="center" valign="top" width="100%" height="100%" rowspan=2 bgcolor="$mainbg">
1.14 albertel 216: <center>
1.21 www 217: <img src="$logo" alt="" />
1.14 albertel 218: </center>
219: </td>
220:
221: <!-- Row 3 Column 4 -->
1.19 bowersj2 222: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14 albertel 223: </tr>
224: <tr>
225:
226: <!-- The entry form -->
227: <!-- Row 4 Column 1 -->
1.21 www 228: <td align="center" valign="middle" bgcolor="$sidebg">
1.16 www 229: ENDTOP
230: }
231: $r->print(<<ENDLOGIN);
1.19 bowersj2 232: <form name="client" onsubmit="return(send())">
1.14 albertel 233: <input type="hidden" name="lextkey" value="$lextkey">
234: <input type="hidden" name="uextkey" value="$uextkey">
235:
236: <!-- Start the sub-table for text and input alignment -->
237: <table border=0 cellspacing=0 cellpadding=0>
1.21 www 238: <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/userauthentication.gif" alt="User Authentication" /></td></tr>
1.14 albertel 239: <tr>
1.21 www 240: <td bgcolor="$mainbg"><br /><font size=-1><b> User Name:</b></font></td>
241: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" /></td>
1.14 albertel 242: </tr>
243: <tr>
1.21 www 244: <td bgcolor="$mainbg"><font size=-1><b> Password:</b></font></td>
245: <td bgcolor="$mainbg"><input type="password" name="upass" size="10" /></td>
1.14 albertel 246: </tr>
247: <tr>
1.21 www 248: <td bgcolor="$mainbg"><font size=-1><b> Domain:</b></font></td>
249: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value=$domain /></td>
1.14 albertel 250: </tr>
251: <tr>
1.21 www 252: <td bgcolor="$mainbg" valign="bottom" align="center" colspan=2>
1.14 albertel 253: <br />
1.19 bowersj2 254: <input type="submit" value="Log In" />
1.14 albertel 255: </td>
256: </tr>
257: </table>
258: <!-- End sub-table -->
259: </form>
1.16 www 260: ENDLOGIN
261: if ($fullgraph) {
262: $r->print(<<ENDDOCUMENT);
1.14 albertel 263: </td>
264:
265: <!-- Row 4 Column 2 -->
1.19 bowersj2 266: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.14 albertel 267:
268: <!-- Row 4 Column 4 -->
1.19 bowersj2 269: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14 albertel 270: </tr>
271: <tr>
272:
273: <!-- Row 5 Column 1 -->
1.21 www 274: <td bgcolor="$sidebg" valign="middle" align="left">
1.14 albertel 275: <br />
276: <table border=0 cellspacing=0 cellpadding=0>
277: <tr>
1.21 www 278: <td bgcolor="$sidebg" align="left" valign="top">
1.14 albertel 279: <small><b> Domain: </b></small>
280: </td>
1.21 www 281: <td bgcolor="$sidebg" align="left" valign="top">
1.14 albertel 282: <small><tt> $domain</tt></small>
283: </td>
284: </tr>
285: <tr>
1.21 www 286: <td bgcolor="$sidebg" align="left" valign="top">
1.14 albertel 287: <small><b> Server: </b></small>
288: </td>
1.21 www 289: <td bgcolor="$sidebg" align="left" valign="top">
1.14 albertel 290: <small><tt> $lonhost ($role)</tt></small>
291: </td>
292: </tr>
293: <tr>
1.21 www 294: <td bgcolor="$sidebg" align="left" valign="top">
1.14 albertel 295: <small><b> Load: </b></small>
296: </td>
1.21 www 297: <td bgcolor="$sidebg" align="left" valign="top">
1.14 albertel 298: <small><tt> $loadpercent percent</tt></small>
299: </td>
300: </tr>
301: </table>
302: <br />
303: <small>
304: <b> System Administration:</b><br />
305: <tt> $sysadm</tt><br />
306: <b> Server Administration:</b><br />
1.19 bowersj2 307: <tt> $servadm<br /> </tt>
1.14 albertel 308: </small>
309: </td>
310:
311: <!-- Row 5 Column 2 -->
1.19 bowersj2 312: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.14 albertel 313:
314: <!-- Row 5 Column 3 -->
1.21 www 315: <td width="100%" valign="bottom" bgcolor="$mainbg">
1.20 www 316: $domainlogo
317: </td>
1.14 albertel 318:
319: <!-- Row 5 Column 4 -->
1.19 bowersj2 320: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14 albertel 321: </tr>
322: <tr>
323:
324: <!-- Row 6 Column 1 -->
1.21 www 325: <td bgcolor="$sidebg"> </td>
1.14 albertel 326:
327: <!-- Row 6 Column 2 -->
1.19 bowersj2 328: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
1.14 albertel 329:
330: <!-- Row 6 Column 3 -->
1.19 bowersj2 331: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
1.14 albertel 332:
333: <!-- Row 6 Column 4 -->
1.19 bowersj2 334: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
1.14 albertel 335: </tr>
1.1 albertel 336: </table>
1.14 albertel 337:
1.1 albertel 338: ENDDOCUMENT
1.16 www 339: }
340: $r->print('</body></html>');
1.1 albertel 341: return OK;
342: }
343:
344: 1;
345: __END__
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