Annotation of loncom/auth/lonauth.pm, revision 1.21
1.1 albertel 1: # The LearningOnline Network
2: # User Authentication Module
1.2 www 3: # 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15
1.4 www 4: # 16/11,12/16,
1.9 www 5: # 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 6: # 7/1,7/10,10/2,10/5,10/9,10/26,10/30,11/10,
7: # 05/28,05/29 Gerd Kortemeyer
1.20 harris41 8: # 07/24 Scott Harrison
1.21 ! www 9: # 07/28 Gerd Kortemeyer
1.1 albertel 10:
11: package Apache::lonauth;
12:
1.18 albertel 13: use strict;
1.1 albertel 14: use Apache::Constants qw(:common);
15: use Apache::File;
16: use CGI qw(:standard);
17: use CGI::Cookie();
1.8 www 18: use Crypt::DES;
1.1 albertel 19: use Apache::lonnet();
1.12 www 20: use Apache::lonmenu();
1.18 albertel 21: use Fcntl qw(:flock);
1.1 albertel 22: # ------------------------------------------------------------ Successful login
23:
24: sub success {
1.6 www 25: my ($r, $username, $domain, $authhost,$lowerurl) = @_;
1.1 albertel 26: my $lonids=$r->dir_config('lonIDsDir');
1.4 www 27:
28: # See if old ID present, if so, remove
1.17 www 29:
30: my $filename;
31: opendir(DIR,$lonids);
32: while ($filename=readdir(DIR)) {
33: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
34: unlink($lonids.'/'.$filename);
35: }
1.4 www 36: }
1.17 www 37: closedir(DIR);
1.4 www 38:
39: # Give them a new cookie
40:
1.17 www 41: my $cookie;
1.5 www 42: my $now=time;
43: $cookie="$username\_$now\_$domain\_$authhost";
44:
45: # Initialize roles
46:
47: my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost);
48:
1.7 www 49: # ------------------------------------ Check browser type and MathML capability
1.6 www 50:
51: my @browsertype=split(/\&/,$r->dir_config("lonBrowsDet"));
52: my %mathcap=split(/\&/,$r->dir_config("lonMathML"));
53: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
54: my $i;
55: my $clientbrowser='unknown';
56: my $clientversion='0';
57: my $clientmathml='';
58: for ($i=0;$i<=$#browsertype;$i++) {
59: my ($bname,$match,$notmatch,$vreg,$minv)=split(/\:/,$browsertype[$i]);
60: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
61: $clientbrowser=$bname;
62: $httpbrowser=~/$vreg/i;
63: $clientversion=$1;
64: $clientmathml=($clientversion>=$minv);
65: }
66: }
67: my $clientos='unknown';
68: if (($httpbrowser=~/linux/i) ||
69: ($httpbrowser=~/unix/i) ||
70: ($httpbrowser=~/ux/i) ||
71: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
72: if (($httpbrowser=~/vax/i) ||
73: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
74: if ($httpbrowser=~/next/i) { $clientos='next'; }
75: if (($httpbrowser=~/mac/i) ||
76: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1.10 www 77: if ($httpbrowser=~/win/i) { $clientos='win'; }
1.6 www 78:
1.11 www 79: # ------------------------------------------------------------- Get environment
80:
81: my $userenv=Apache::lonnet::reply("dump:$domain:$username:environment",
82: $authhost);
83: if (($userenv eq 'con_lost') ||
84: ($userenv =~ /^error\:/)) {
85: $userenv='';
86: }
87: $userenv=~s/\&/\nenvironment\./g;
88: if ($userenv ne '') {
89: $userenv='environment.'.$userenv;
90: }
1.7 www 91: # --------------------------------------------------------- Write first profile
1.5 www 92:
93: {
1.1 albertel 94: my $idf=Apache::File->new(">$lonids/$cookie.id");
1.18 albertel 95: unless (flock($idf,LOCK_EX)) {
96: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
1.19 www 97: 'Could not obtain exclusive lock in lonauth: '.$!);
1.18 albertel 98: $idf->close();
99: return 'error: '.$!;
100: }
1.11 www 101: if ($userenv ne '') { print $idf "$userenv\n"; }
1.4 www 102: print $idf "user.name=$username\n";
103: print $idf "user.domain=$domain\n";
104: print $idf "user.home=$authhost\n";
1.6 www 105: print $idf "browser.type=$clientbrowser\n";
106: print $idf "browser.version=$clientversion\n";
107: print $idf "browser.mathml=$clientmathml\n";
108: print $idf "browser.os=$clientos\n";
1.15 www 109: print $idf "request.course.fn=\n";
110: print $idf "request.course.uri=\n";
111: print $idf "request.course.sec=\n";
1.16 www 112: print $idf "request.role=cm\n";
113: print $idf "request.host=$ENV{'HTTP_HOST'}\n";
1.11 www 114: if ($userroles ne '') { print $idf "$userroles"; }
1.18 albertel 115: $idf->close();
1.1 albertel 116: }
1.19 www 117: $ENV{'request.role'}='cm';
1.7 www 118: # -------------------------------------------------------------------- Log this
119:
120: &Apache::lonnet::log($domain,$username,$authhost,
121: "Login $ENV{'REMOTE_ADDR'}");
1.4 www 122:
1.14 www 123: # ------------------------------------------------- Check for critical messages
124:
1.21 ! www 125: my @what=&Apache::lonnet::dump('critical',$domain,$username);
1.14 www 126: if ($what[0]) {
127: if ($what[0] ne 'con_lost') {
1.21 ! www 128: $lowerurl='/adm/email?critical=display';
1.14 www 129: }
130: }
131:
1.5 www 132: # ------------------------------------------------------------ Get cookie ready
133:
1.1 albertel 134: $cookie="lonID=$cookie; path=/";
1.12 www 135: # -------------------------------------------------------- Menu script and info
136: my $windowinfo=&Apache::lonmenu::open();
1.19 www 137: # ------------------------------------------------------------- Info for Remote
138: my $configmenu=&Apache::lonmenu::rawconfig();
1.5 www 139: # ------------------------------------------------- Output for successful login
140:
1.1 albertel 141: $r->send_cgi_header(<<ENDHEADER);
142: Content-type: text/html
143: Set-cookie: $cookie
144:
145: ENDHEADER
146: $r->print(<<ENDSUCCESS);
147: <html>
148: <head>
1.4 www 149: <title>Successful Login to the LearningOnline Network with CAPA</title>
1.19 www 150: <script>
151:
152: // --------------------------------------------- Checks if server frame defined
153:
154: function checkdef() {
155: if ((menuloaded==0) && (tim==0)) { setTimeout('checkdef()',100); }
156: }
157:
158: // ---------------------------------------------------------- The wait function
159:
160: function wait() {
161: if ((menuloaded==1) || (tim==1)) {
162: if (tim==0) {
163: clearTimeout(canceltim);
164: $configmenu
165: window.location='$lowerurl';
166: } else {
167: alert("Remote Control Timed Out.");
168: }
169: } else {
170: setTimeout('wait();',100);
171: }
172: }
173:
174: function main() {
175: canceltim=setTimeout('tim=1;',20000);
176: checkdef();
177: wait();
178: }
179:
180: </script>
1.1 albertel 181: </head>
1.20 harris41 182: <body bgcolor="#FFFFFF">
1.19 www 183: <script>
184: menuloaded=0;
185: tim=0;
186: </script>
187: $windowinfo
1.6 www 188: <h1>Welcome!</h1>
1.20 harris41 189: <script>
190: main();
191: </script>
1.6 www 192: </body>
1.1 albertel 193: </html>
194: ENDSUCCESS
195: }
196:
197: # --------------------------------------------------------------- Failed login!
198:
199: sub failed {
200: my ($r,$message) = @_;
201: $r->send_cgi_header(<<ENDFHEADER);
202: Content-type: text/html
203:
204: ENDFHEADER
205: $r->print(<<ENDFAILED);
206: <html>
207: <head>
1.4 www 208: <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>
1.1 albertel 209: </head>
210: <html>
211: <body bgcolor="#FFFFFF">
212: <h1>Sorry ...</h1>
1.4 www 213: <h2>$message to use the Learning<i>Online</i> Network with CAPA</h2>
1.1 albertel 214: </body>
215: </html>
216: ENDFAILED
217: }
218:
219: # ---------------------------------------------------------------- Main handler
220:
221: sub handler {
222: my $r = shift;
223:
224: my $buffer;
225: $r->read($buffer,$r->header_in('Content-length'));
226: my @pairs=split(/&/,$buffer);
227: my $pair; my $name; my $value; my %FORM;
228: foreach $pair (@pairs) {
229: ($name,$value) = split(/=/,$pair);
1.7 www 230: $value =~ tr/+/ /;
231: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.1 albertel 232: $FORM{$name}=$value;
233: }
234:
235: if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {
236: failed($r,'Username, password and domain need to be specified');
237: return OK;
238: }
239: $FORM{'uname'} =~ s/\W//g;
240: $FORM{'udom'} =~ s/\W//g;
241:
242: my $role = $r->dir_config('lonRole');
243: my $domain = $r->dir_config('lonDefDomain');
244: my $prodir = $r->dir_config('lonUsersDir');
245:
1.8 www 246: # ---------------------------------------- Get the information from login token
247:
248: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'},
249: $FORM{'serverid'});
250:
251: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
252: failed($r,'Login token missing, inaccessible or expired');
253: return OK;
254: }
255:
1.9 www 256: my ($key,$firsturl)=split(/&/,$tmpinfo);
1.8 www 257:
258: my $keybin=pack("H16",$key);
259:
260: my $cipher=new DES $keybin;
261:
262: my $upass=$cipher->decrypt(
263: unpack("a8",pack("H16",substr($FORM{'upass'},0,16))));
264:
265: $upass.=$cipher->decrypt(
266: unpack("a8",pack("H16",substr($FORM{'upass'},16,16))));
267:
268: $upass=substr($upass,1,ord(substr($upass,0,1)));
269:
1.1 albertel 270: # ---------------------------------------------------------------- Authenticate
271: my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
1.8 www 272: $upass,
1.1 albertel 273: $FORM{'udom'});
274:
275: # --------------------------------------------------------------------- Failed?
276:
277: if ($authhost eq 'no_host') {
278: failed($r,'Username and/or password could not be authenticated');
279: return OK;
280: }
281:
1.13 www 282: if (($firsturl eq '') || ($firsturl eq '/adm/logout')) {
1.8 www 283: $firsturl='/res/adm/pages/index.html';
1.7 www 284: }
1.1 albertel 285:
1.8 www 286: success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
1.1 albertel 287: return OK;
288: }
289:
290: 1;
291: __END__
1.7 www 292:
293:
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