Annotation of loncom/auth/lonauth.pm, revision 1.39
1.1 albertel 1: # The LearningOnline Network
2: # User Authentication Module
1.27 www 3: #
1.39 ! www 4: # $Id: lonauth.pm,v 1.38 2003/02/18 19:12:38 www Exp $
1.27 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: # 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15
1.4 www 29: # 16/11,12/16,
1.9 www 30: # 1/14,2/24,2/28,2/29,3/7,5/29,5/30,5/31,6/1,6/5,6/29,
1.19 www 31: # 7/1,7/10,10/2,10/5,10/9,10/26,10/30,11/10,
32: # 05/28,05/29 Gerd Kortemeyer
1.22 www 33: # 07/28,08/03 Gerd Kortemeyer
1.24 www 34: # 8/20 Gerd Kortemeyer
1.1 albertel 35:
36: package Apache::lonauth;
37:
1.18 albertel 38: use strict;
1.1 albertel 39: use Apache::Constants qw(:common);
40: use Apache::File;
41: use CGI qw(:standard);
42: use CGI::Cookie();
1.26 harris41 43: use DynaLoader; # for Crypt::DES version
1.8 www 44: use Crypt::DES;
1.1 albertel 45: use Apache::lonnet();
1.12 www 46: use Apache::lonmenu();
1.18 albertel 47: use Fcntl qw(:flock);
1.37 www 48:
49: my %FORM;
50:
1.1 albertel 51: # ------------------------------------------------------------ Successful login
52:
53: sub success {
1.6 www 54: my ($r, $username, $domain, $authhost,$lowerurl) = @_;
1.1 albertel 55: my $lonids=$r->dir_config('lonIDsDir');
1.4 www 56:
57: # See if old ID present, if so, remove
1.17 www 58:
59: my $filename;
60: opendir(DIR,$lonids);
61: while ($filename=readdir(DIR)) {
62: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
63: unlink($lonids.'/'.$filename);
64: }
1.4 www 65: }
1.17 www 66: closedir(DIR);
1.4 www 67:
68: # Give them a new cookie
69:
1.17 www 70: my $cookie;
1.5 www 71: my $now=time;
72: $cookie="$username\_$now\_$domain\_$authhost";
73:
74: # Initialize roles
75:
76: my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost);
77:
1.7 www 78: # ------------------------------------ Check browser type and MathML capability
1.6 www 79:
80: my @browsertype=split(/\&/,$r->dir_config("lonBrowsDet"));
81: my %mathcap=split(/\&/,$r->dir_config("lonMathML"));
82: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
83: my $i;
84: my $clientbrowser='unknown';
85: my $clientversion='0';
86: my $clientmathml='';
1.33 albertel 87: my $clientunicode='0';
1.6 www 88: for ($i=0;$i<=$#browsertype;$i++) {
1.33 albertel 89: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1.6 www 90: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
91: $clientbrowser=$bname;
92: $httpbrowser=~/$vreg/i;
93: $clientversion=$1;
94: $clientmathml=($clientversion>=$minv);
1.33 albertel 95: $clientunicode=($clientversion>=$univ);
96: }
1.6 www 97: }
98: my $clientos='unknown';
99: if (($httpbrowser=~/linux/i) ||
100: ($httpbrowser=~/unix/i) ||
101: ($httpbrowser=~/ux/i) ||
102: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
103: if (($httpbrowser=~/vax/i) ||
104: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
105: if ($httpbrowser=~/next/i) { $clientos='next'; }
106: if (($httpbrowser=~/mac/i) ||
107: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1.10 www 108: if ($httpbrowser=~/win/i) { $clientos='win'; }
1.31 www 109: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1.6 www 110:
1.11 www 111: # ------------------------------------------------------------- Get environment
112:
1.32 albertel 113: my $userenv;
114: my %userenv=Apache::lonnet::dump('environment',$domain,$username);
115: my ($tmp) = keys(%userenv);
116: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
117: foreach my $key (keys(%userenv)) {
118: $userenv.="environment.$key=$userenv{$key}\n";
119: }
1.11 www 120: }
1.38 www 121: if (($userenv{'interface'}) && (!$FORM{'interface'})) {
122: $FORM{'interface'}=$userenv{'interface'};
123: }
1.7 www 124: # --------------------------------------------------------- Write first profile
1.5 www 125:
126: {
1.1 albertel 127: my $idf=Apache::File->new(">$lonids/$cookie.id");
1.18 albertel 128: unless (flock($idf,LOCK_EX)) {
129: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
1.19 www 130: 'Could not obtain exclusive lock in lonauth: '.$!);
1.18 albertel 131: $idf->close();
132: return 'error: '.$!;
133: }
1.11 www 134: if ($userenv ne '') { print $idf "$userenv\n"; }
1.4 www 135: print $idf "user.name=$username\n";
136: print $idf "user.domain=$domain\n";
137: print $idf "user.home=$authhost\n";
1.6 www 138: print $idf "browser.type=$clientbrowser\n";
139: print $idf "browser.version=$clientversion\n";
140: print $idf "browser.mathml=$clientmathml\n";
1.33 albertel 141: print $idf "browser.unicode=$clientunicode\n";
1.6 www 142: print $idf "browser.os=$clientos\n";
1.15 www 143: print $idf "request.course.fn=\n";
144: print $idf "request.course.uri=\n";
145: print $idf "request.course.sec=\n";
1.16 www 146: print $idf "request.role=cm\n";
1.37 www 147: print $idf "request.host=$ENV{'HTTP_HOST'}\n";
148: if ($FORM{'interface'}) {
149: $FORM{'interface'}=~s/\W//gs;
150: print $idf "browser.interface=$FORM{'interface'}\n";
151: $ENV{'browser.interface'}=$FORM{'interface'};
1.38 www 152: }
153: foreach
1.39 ! www 154: ('imagesuppress','appletsuppress',
! 155: 'embedsuppress','fontenhance','blackwhite') {
1.38 www 156: if (($FORM{$_} eq 'on') ||
157: ($userenv{$_} eq 'on')) {
158: print $idf "browser.$_=on\n";
159: }
1.37 www 160: }
1.11 www 161: if ($userroles ne '') { print $idf "$userroles"; }
1.18 albertel 162: $idf->close();
1.1 albertel 163: }
1.19 www 164: $ENV{'request.role'}='cm';
1.28 www 165: $ENV{'browser.type'}=$clientbrowser;
1.7 www 166: # -------------------------------------------------------------------- Log this
167:
168: &Apache::lonnet::log($domain,$username,$authhost,
169: "Login $ENV{'REMOTE_ADDR'}");
1.4 www 170:
1.14 www 171: # ------------------------------------------------- Check for critical messages
172:
1.21 www 173: my @what=&Apache::lonnet::dump('critical',$domain,$username);
1.14 www 174: if ($what[0]) {
1.22 www 175: if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
1.21 www 176: $lowerurl='/adm/email?critical=display';
1.14 www 177: }
178: }
179:
1.5 www 180: # ------------------------------------------------------------ Get cookie ready
181:
1.1 albertel 182: $cookie="lonID=$cookie; path=/";
1.12 www 183: # -------------------------------------------------------- Menu script and info
1.31 www 184: my $windowinfo=&Apache::lonmenu::open($clientos);
1.35 www 185: my $startupremote=&Apache::lonmenu::startupremote($lowerurl);
186: my $setflags=&Apache::lonmenu::setflags();
187: my $maincall=&Apache::lonmenu::maincall();
1.5 www 188: # ------------------------------------------------- Output for successful login
189:
1.1 albertel 190: $r->send_cgi_header(<<ENDHEADER);
191: Content-type: text/html
192: Set-cookie: $cookie
193:
194: ENDHEADER
195: $r->print(<<ENDSUCCESS);
196: <html>
197: <head>
1.4 www 198: <title>Successful Login to the LearningOnline Network with CAPA</title>
1.35 www 199: $startupremote
1.1 albertel 200: </head>
1.20 harris41 201: <body bgcolor="#FFFFFF">
1.35 www 202: $setflags
1.19 www 203: $windowinfo
1.6 www 204: <h1>Welcome!</h1>
1.34 www 205: Welcome to the Learning<i>Online</i> Network with CAPA.
206: Please wait while your session
207: is being set up.<p>
208: <a href="/adm/loginproblems.html">Problems?</a></p>
1.35 www 209: $maincall
1.6 www 210: </body>
1.1 albertel 211: </html>
212: ENDSUCCESS
213: }
214:
215: # --------------------------------------------------------------- Failed login!
216:
217: sub failed {
218: my ($r,$message) = @_;
219: $r->send_cgi_header(<<ENDFHEADER);
220: Content-type: text/html
221:
222: ENDFHEADER
223: $r->print(<<ENDFAILED);
224: <html>
225: <head>
1.4 www 226: <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>
1.1 albertel 227: </head>
228: <html>
229: <body bgcolor="#FFFFFF">
230: <h1>Sorry ...</h1>
1.4 www 231: <h2>$message to use the Learning<i>Online</i> Network with CAPA</h2>
1.1 albertel 232: </body>
233: </html>
234: ENDFAILED
235: }
236:
237: # ---------------------------------------------------------------- Main handler
238:
239: sub handler {
240: my $r = shift;
241:
242: my $buffer;
243: $r->read($buffer,$r->header_in('Content-length'));
244: my @pairs=split(/&/,$buffer);
1.37 www 245: my $pair; my $name; my $value;
246: undef %FORM;
247: %FORM=();
1.1 albertel 248: foreach $pair (@pairs) {
249: ($name,$value) = split(/=/,$pair);
1.7 www 250: $value =~ tr/+/ /;
251: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.1 albertel 252: $FORM{$name}=$value;
253: }
254:
255: if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {
256: failed($r,'Username, password and domain need to be specified');
257: return OK;
258: }
259: $FORM{'uname'} =~ s/\W//g;
260: $FORM{'udom'} =~ s/\W//g;
261:
262: my $role = $r->dir_config('lonRole');
263: my $domain = $r->dir_config('lonDefDomain');
264: my $prodir = $r->dir_config('lonUsersDir');
265:
1.8 www 266: # ---------------------------------------- Get the information from login token
267:
268: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'},
269: $FORM{'serverid'});
270:
271: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
272: failed($r,'Login token missing, inaccessible or expired');
273: return OK;
274: }
275:
1.9 www 276: my ($key,$firsturl)=split(/&/,$tmpinfo);
1.8 www 277:
278: my $keybin=pack("H16",$key);
279:
1.26 harris41 280: my $cipher;
281: if ($Crypt::DES::VERSION>=2.03) {
282: $cipher=new Crypt::DES $keybin;
283: }
284: else {
285: $cipher=new DES $keybin;
286: }
1.8 www 287:
288: my $upass=$cipher->decrypt(
289: unpack("a8",pack("H16",substr($FORM{'upass'},0,16))));
290:
291: $upass.=$cipher->decrypt(
292: unpack("a8",pack("H16",substr($FORM{'upass'},16,16))));
293:
294: $upass=substr($upass,1,ord(substr($upass,0,1)));
295:
1.1 albertel 296: # ---------------------------------------------------------------- Authenticate
297: my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
1.8 www 298: $upass,
1.1 albertel 299: $FORM{'udom'});
300:
301: # --------------------------------------------------------------------- Failed?
302:
303: if ($authhost eq 'no_host') {
304: failed($r,'Username and/or password could not be authenticated');
305: return OK;
306: }
307:
1.13 www 308: if (($firsturl eq '') || ($firsturl eq '/adm/logout')) {
1.24 www 309: $firsturl='/adm/roles';
1.7 www 310: }
1.1 albertel 311:
1.8 www 312: success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
1.1 albertel 313: return OK;
314: }
315:
316: 1;
317: __END__
1.7 www 318:
319:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonauth.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / auth