Annotation of loncom/auth/lonauth.pm, revision 1.40
1.1 albertel 1: # The LearningOnline Network
2: # User Authentication Module
1.27 www 3: #
1.40 ! www 4: # $Id: lonauth.pm,v 1.39 2003/02/18 21:11:17 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) { $clientos='pda'; }
1.6 www 110:
1.40 ! www 111: # -------------------------------------- Any accessibility options to remember?
! 112: if (($FORM{'interface'}) && ($FORM{'remember'} eq 'true')) {
! 113: foreach ('imagesuppress','appletsuppress',
! 114: 'embedsuppress','fontenhance','blackwhite') {
! 115: if ($FORM{$_} eq 'true') {
! 116: &Apache::lonnet::put('environment',{$_ => 'on'},$domain,$username);
! 117: } else {
! 118: &Apache::lonnet::del('environment',[$_],$domain,$username);
! 119: }
! 120: }
! 121: }
1.11 www 122: # ------------------------------------------------------------- Get environment
123:
1.32 albertel 124: my $userenv;
125: my %userenv=Apache::lonnet::dump('environment',$domain,$username);
126: my ($tmp) = keys(%userenv);
127: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
128: foreach my $key (keys(%userenv)) {
129: $userenv.="environment.$key=$userenv{$key}\n";
130: }
1.11 www 131: }
1.38 www 132: if (($userenv{'interface'}) && (!$FORM{'interface'})) {
133: $FORM{'interface'}=$userenv{'interface'};
134: }
1.7 www 135: # --------------------------------------------------------- Write first profile
1.5 www 136:
137: {
1.1 albertel 138: my $idf=Apache::File->new(">$lonids/$cookie.id");
1.18 albertel 139: unless (flock($idf,LOCK_EX)) {
140: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
1.19 www 141: 'Could not obtain exclusive lock in lonauth: '.$!);
1.18 albertel 142: $idf->close();
143: return 'error: '.$!;
144: }
1.11 www 145: if ($userenv ne '') { print $idf "$userenv\n"; }
1.4 www 146: print $idf "user.name=$username\n";
147: print $idf "user.domain=$domain\n";
148: print $idf "user.home=$authhost\n";
1.6 www 149: print $idf "browser.type=$clientbrowser\n";
150: print $idf "browser.version=$clientversion\n";
151: print $idf "browser.mathml=$clientmathml\n";
1.33 albertel 152: print $idf "browser.unicode=$clientunicode\n";
1.6 www 153: print $idf "browser.os=$clientos\n";
1.15 www 154: print $idf "request.course.fn=\n";
155: print $idf "request.course.uri=\n";
156: print $idf "request.course.sec=\n";
1.16 www 157: print $idf "request.role=cm\n";
1.37 www 158: print $idf "request.host=$ENV{'HTTP_HOST'}\n";
159: if ($FORM{'interface'}) {
1.40 ! www 160: $FORM{'interface'}=~s/\W//gs;
! 161: print $idf "browser.interface=$FORM{'interface'}\n";
! 162: $ENV{'browser.interface'}=$FORM{'interface'};
! 163: foreach
! 164: ('imagesuppress','appletsuppress',
! 165: 'embedsuppress','fontenhance','blackwhite') {
! 166: if (($FORM{$_} eq 'true') ||
! 167: ($userenv{$_} eq 'on')) {
! 168: print $idf "browser.$_=on\n";
! 169: }
! 170:
! 171: }
! 172: }
1.11 www 173: if ($userroles ne '') { print $idf "$userroles"; }
1.18 albertel 174: $idf->close();
1.1 albertel 175: }
1.19 www 176: $ENV{'request.role'}='cm';
1.28 www 177: $ENV{'browser.type'}=$clientbrowser;
1.7 www 178: # -------------------------------------------------------------------- Log this
179:
180: &Apache::lonnet::log($domain,$username,$authhost,
181: "Login $ENV{'REMOTE_ADDR'}");
1.4 www 182:
1.14 www 183: # ------------------------------------------------- Check for critical messages
184:
1.21 www 185: my @what=&Apache::lonnet::dump('critical',$domain,$username);
1.14 www 186: if ($what[0]) {
1.22 www 187: if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
1.21 www 188: $lowerurl='/adm/email?critical=display';
1.14 www 189: }
190: }
191:
1.5 www 192: # ------------------------------------------------------------ Get cookie ready
193:
1.1 albertel 194: $cookie="lonID=$cookie; path=/";
1.12 www 195: # -------------------------------------------------------- Menu script and info
1.31 www 196: my $windowinfo=&Apache::lonmenu::open($clientos);
1.35 www 197: my $startupremote=&Apache::lonmenu::startupremote($lowerurl);
198: my $setflags=&Apache::lonmenu::setflags();
199: my $maincall=&Apache::lonmenu::maincall();
1.5 www 200: # ------------------------------------------------- Output for successful login
201:
1.1 albertel 202: $r->send_cgi_header(<<ENDHEADER);
203: Content-type: text/html
204: Set-cookie: $cookie
205:
206: ENDHEADER
207: $r->print(<<ENDSUCCESS);
208: <html>
209: <head>
1.4 www 210: <title>Successful Login to the LearningOnline Network with CAPA</title>
1.35 www 211: $startupremote
1.1 albertel 212: </head>
1.20 harris41 213: <body bgcolor="#FFFFFF">
1.35 www 214: $setflags
1.19 www 215: $windowinfo
1.6 www 216: <h1>Welcome!</h1>
1.34 www 217: Welcome to the Learning<i>Online</i> Network with CAPA.
218: Please wait while your session
219: is being set up.<p>
220: <a href="/adm/loginproblems.html">Problems?</a></p>
1.35 www 221: $maincall
1.6 www 222: </body>
1.1 albertel 223: </html>
224: ENDSUCCESS
225: }
226:
227: # --------------------------------------------------------------- Failed login!
228:
229: sub failed {
230: my ($r,$message) = @_;
231: $r->send_cgi_header(<<ENDFHEADER);
232: Content-type: text/html
233:
234: ENDFHEADER
235: $r->print(<<ENDFAILED);
236: <html>
237: <head>
1.4 www 238: <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>
1.1 albertel 239: </head>
240: <html>
241: <body bgcolor="#FFFFFF">
242: <h1>Sorry ...</h1>
1.4 www 243: <h2>$message to use the Learning<i>Online</i> Network with CAPA</h2>
1.1 albertel 244: </body>
245: </html>
246: ENDFAILED
247: }
248:
249: # ---------------------------------------------------------------- Main handler
250:
251: sub handler {
252: my $r = shift;
253:
254: my $buffer;
255: $r->read($buffer,$r->header_in('Content-length'));
256: my @pairs=split(/&/,$buffer);
1.37 www 257: my $pair; my $name; my $value;
258: undef %FORM;
259: %FORM=();
1.1 albertel 260: foreach $pair (@pairs) {
261: ($name,$value) = split(/=/,$pair);
1.7 www 262: $value =~ tr/+/ /;
263: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.1 albertel 264: $FORM{$name}=$value;
265: }
266:
267: if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {
268: failed($r,'Username, password and domain need to be specified');
269: return OK;
270: }
271: $FORM{'uname'} =~ s/\W//g;
272: $FORM{'udom'} =~ s/\W//g;
273:
274: my $role = $r->dir_config('lonRole');
275: my $domain = $r->dir_config('lonDefDomain');
276: my $prodir = $r->dir_config('lonUsersDir');
277:
1.8 www 278: # ---------------------------------------- Get the information from login token
279:
280: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'},
281: $FORM{'serverid'});
282:
283: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
284: failed($r,'Login token missing, inaccessible or expired');
285: return OK;
286: }
287:
1.9 www 288: my ($key,$firsturl)=split(/&/,$tmpinfo);
1.8 www 289:
290: my $keybin=pack("H16",$key);
291:
1.26 harris41 292: my $cipher;
293: if ($Crypt::DES::VERSION>=2.03) {
294: $cipher=new Crypt::DES $keybin;
295: }
296: else {
297: $cipher=new DES $keybin;
298: }
1.8 www 299:
300: my $upass=$cipher->decrypt(
301: unpack("a8",pack("H16",substr($FORM{'upass'},0,16))));
302:
303: $upass.=$cipher->decrypt(
304: unpack("a8",pack("H16",substr($FORM{'upass'},16,16))));
305:
306: $upass=substr($upass,1,ord(substr($upass,0,1)));
307:
1.1 albertel 308: # ---------------------------------------------------------------- Authenticate
309: my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
1.8 www 310: $upass,
1.1 albertel 311: $FORM{'udom'});
312:
313: # --------------------------------------------------------------------- Failed?
314:
315: if ($authhost eq 'no_host') {
316: failed($r,'Username and/or password could not be authenticated');
317: return OK;
318: }
319:
1.13 www 320: if (($firsturl eq '') || ($firsturl eq '/adm/logout')) {
1.24 www 321: $firsturl='/adm/roles';
1.7 www 322: }
1.1 albertel 323:
1.8 www 324: success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
1.1 albertel 325: return OK;
326: }
327:
328: 1;
329: __END__
1.7 www 330:
331:
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