Annotation of loncom/auth/lonauth.pm, revision 1.37
1.1 albertel 1: # The LearningOnline Network
2: # User Authentication Module
1.27 www 3: #
1.37 ! www 4: # $Id: lonauth.pm,v 1.36 2003/02/03 18:03:52 harris41 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: }
1.7 www 121: # --------------------------------------------------------- Write first profile
1.5 www 122:
123: {
1.1 albertel 124: my $idf=Apache::File->new(">$lonids/$cookie.id");
1.18 albertel 125: unless (flock($idf,LOCK_EX)) {
126: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
1.19 www 127: 'Could not obtain exclusive lock in lonauth: '.$!);
1.18 albertel 128: $idf->close();
129: return 'error: '.$!;
130: }
1.11 www 131: if ($userenv ne '') { print $idf "$userenv\n"; }
1.4 www 132: print $idf "user.name=$username\n";
133: print $idf "user.domain=$domain\n";
134: print $idf "user.home=$authhost\n";
1.6 www 135: print $idf "browser.type=$clientbrowser\n";
136: print $idf "browser.version=$clientversion\n";
137: print $idf "browser.mathml=$clientmathml\n";
1.33 albertel 138: print $idf "browser.unicode=$clientunicode\n";
1.6 www 139: print $idf "browser.os=$clientos\n";
1.15 www 140: print $idf "request.course.fn=\n";
141: print $idf "request.course.uri=\n";
142: print $idf "request.course.sec=\n";
1.16 www 143: print $idf "request.role=cm\n";
1.37 ! www 144: print $idf "request.host=$ENV{'HTTP_HOST'}\n";
! 145: if ($FORM{'interface'}) {
! 146: $FORM{'interface'}=~s/\W//gs;
! 147: print $idf "browser.interface=$FORM{'interface'}\n";
! 148: $ENV{'browser.interface'}=$FORM{'interface'};
! 149: }
1.11 www 150: if ($userroles ne '') { print $idf "$userroles"; }
1.18 albertel 151: $idf->close();
1.1 albertel 152: }
1.19 www 153: $ENV{'request.role'}='cm';
1.28 www 154: $ENV{'browser.type'}=$clientbrowser;
1.7 www 155: # -------------------------------------------------------------------- Log this
156:
157: &Apache::lonnet::log($domain,$username,$authhost,
158: "Login $ENV{'REMOTE_ADDR'}");
1.4 www 159:
1.14 www 160: # ------------------------------------------------- Check for critical messages
161:
1.21 www 162: my @what=&Apache::lonnet::dump('critical',$domain,$username);
1.14 www 163: if ($what[0]) {
1.22 www 164: if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
1.21 www 165: $lowerurl='/adm/email?critical=display';
1.14 www 166: }
167: }
168:
1.5 www 169: # ------------------------------------------------------------ Get cookie ready
170:
1.1 albertel 171: $cookie="lonID=$cookie; path=/";
1.12 www 172: # -------------------------------------------------------- Menu script and info
1.31 www 173: my $windowinfo=&Apache::lonmenu::open($clientos);
1.35 www 174: my $startupremote=&Apache::lonmenu::startupremote($lowerurl);
175: my $setflags=&Apache::lonmenu::setflags();
176: my $maincall=&Apache::lonmenu::maincall();
1.5 www 177: # ------------------------------------------------- Output for successful login
178:
1.1 albertel 179: $r->send_cgi_header(<<ENDHEADER);
180: Content-type: text/html
181: Set-cookie: $cookie
182:
183: ENDHEADER
184: $r->print(<<ENDSUCCESS);
185: <html>
186: <head>
1.4 www 187: <title>Successful Login to the LearningOnline Network with CAPA</title>
1.35 www 188: $startupremote
1.1 albertel 189: </head>
1.20 harris41 190: <body bgcolor="#FFFFFF">
1.35 www 191: $setflags
1.19 www 192: $windowinfo
1.6 www 193: <h1>Welcome!</h1>
1.34 www 194: Welcome to the Learning<i>Online</i> Network with CAPA.
195: Please wait while your session
196: is being set up.<p>
197: <a href="/adm/loginproblems.html">Problems?</a></p>
1.35 www 198: $maincall
1.6 www 199: </body>
1.1 albertel 200: </html>
201: ENDSUCCESS
202: }
203:
204: # --------------------------------------------------------------- Failed login!
205:
206: sub failed {
207: my ($r,$message) = @_;
208: $r->send_cgi_header(<<ENDFHEADER);
209: Content-type: text/html
210:
211: ENDFHEADER
212: $r->print(<<ENDFAILED);
213: <html>
214: <head>
1.4 www 215: <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>
1.1 albertel 216: </head>
217: <html>
218: <body bgcolor="#FFFFFF">
219: <h1>Sorry ...</h1>
1.4 www 220: <h2>$message to use the Learning<i>Online</i> Network with CAPA</h2>
1.1 albertel 221: </body>
222: </html>
223: ENDFAILED
224: }
225:
226: # ---------------------------------------------------------------- Main handler
227:
228: sub handler {
229: my $r = shift;
230:
231: my $buffer;
232: $r->read($buffer,$r->header_in('Content-length'));
233: my @pairs=split(/&/,$buffer);
1.37 ! www 234: my $pair; my $name; my $value;
! 235: undef %FORM;
! 236: %FORM=();
1.1 albertel 237: foreach $pair (@pairs) {
238: ($name,$value) = split(/=/,$pair);
1.7 www 239: $value =~ tr/+/ /;
240: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.1 albertel 241: $FORM{$name}=$value;
242: }
243:
244: if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {
245: failed($r,'Username, password and domain need to be specified');
246: return OK;
247: }
248: $FORM{'uname'} =~ s/\W//g;
249: $FORM{'udom'} =~ s/\W//g;
250:
251: my $role = $r->dir_config('lonRole');
252: my $domain = $r->dir_config('lonDefDomain');
253: my $prodir = $r->dir_config('lonUsersDir');
254:
1.8 www 255: # ---------------------------------------- Get the information from login token
256:
257: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'},
258: $FORM{'serverid'});
259:
260: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
261: failed($r,'Login token missing, inaccessible or expired');
262: return OK;
263: }
264:
1.9 www 265: my ($key,$firsturl)=split(/&/,$tmpinfo);
1.8 www 266:
267: my $keybin=pack("H16",$key);
268:
1.26 harris41 269: my $cipher;
270: if ($Crypt::DES::VERSION>=2.03) {
271: $cipher=new Crypt::DES $keybin;
272: }
273: else {
274: $cipher=new DES $keybin;
275: }
1.8 www 276:
277: my $upass=$cipher->decrypt(
278: unpack("a8",pack("H16",substr($FORM{'upass'},0,16))));
279:
280: $upass.=$cipher->decrypt(
281: unpack("a8",pack("H16",substr($FORM{'upass'},16,16))));
282:
283: $upass=substr($upass,1,ord(substr($upass,0,1)));
284:
1.1 albertel 285: # ---------------------------------------------------------------- Authenticate
286: my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
1.8 www 287: $upass,
1.1 albertel 288: $FORM{'udom'});
289:
290: # --------------------------------------------------------------------- Failed?
291:
292: if ($authhost eq 'no_host') {
293: failed($r,'Username and/or password could not be authenticated');
294: return OK;
295: }
296:
1.13 www 297: if (($firsturl eq '') || ($firsturl eq '/adm/logout')) {
1.24 www 298: $firsturl='/adm/roles';
1.7 www 299: }
1.1 albertel 300:
1.8 www 301: success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
1.1 albertel 302: return OK;
303: }
304:
305: 1;
306: __END__
1.7 www 307:
308:
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