1: # The LearningOnline Network
2: # User Authentication Module
3: # 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15
4: # 16/11,12/16,
5: # 1/14,2/24,2/28,2/29,3/7,5/29,5/30,5/31,6/1,6/5,6/29,
6: # 7/1,7/10,10/2,10/5,10/9,10/26,10/30,11/10,
7: # 05/28,05/29 Gerd Kortemeyer
8: # 07/24 Scott Harrison
9: # 07/28,08/03 Gerd Kortemeyer
10: # 8/15 Scott Harrison
11:
12: package Apache::lonauth;
13:
14: use strict;
15: use Apache::Constants qw(:common);
16: use Apache::File;
17: use CGI qw(:standard);
18: use CGI::Cookie();
19: use Crypt::DES;
20: use Apache::lonnet();
21: use Apache::lonmenu();
22: use Fcntl qw(:flock);
23: # ------------------------------------------------------------ Successful login
24:
25: sub success {
26: my ($r, $username, $domain, $authhost,$lowerurl) = @_;
27: my $lonids=$r->dir_config('lonIDsDir');
28:
29: # See if old ID present, if so, remove
30:
31: my $filename;
32: opendir(DIR,$lonids);
33: while ($filename=readdir(DIR)) {
34: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
35: unlink($lonids.'/'.$filename);
36: }
37: }
38: closedir(DIR);
39:
40: # Give them a new cookie
41:
42: my $cookie;
43: my $now=time;
44: $cookie="$username\_$now\_$domain\_$authhost";
45:
46: # Initialize roles
47:
48: my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost);
49:
50: # ------------------------------------ Check browser type and MathML capability
51:
52: my @browsertype=split(/\&/,$r->dir_config("lonBrowsDet"));
53: my %mathcap=split(/\&/,$r->dir_config("lonMathML"));
54: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
55: my $i;
56: my $clientbrowser='unknown';
57: my $clientversion='0';
58: my $clientmathml='';
59: for ($i=0;$i<=$#browsertype;$i++) {
60: my ($bname,$match,$notmatch,$vreg,$minv)=split(/\:/,$browsertype[$i]);
61: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
62: $clientbrowser=$bname;
63: $httpbrowser=~/$vreg/i;
64: $clientversion=$1;
65: $clientmathml=($clientversion>=$minv);
66: }
67: }
68: my $clientos='unknown';
69: if (($httpbrowser=~/linux/i) ||
70: ($httpbrowser=~/unix/i) ||
71: ($httpbrowser=~/ux/i) ||
72: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
73: if (($httpbrowser=~/vax/i) ||
74: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
75: if ($httpbrowser=~/next/i) { $clientos='next'; }
76: if (($httpbrowser=~/mac/i) ||
77: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
78: if ($httpbrowser=~/win/i) { $clientos='win'; }
79:
80: # ------------------------------------------------------------- Get environment
81:
82: my $userenv=Apache::lonnet::reply("dump:$domain:$username:environment",
83: $authhost);
84: if (($userenv eq 'con_lost') ||
85: ($userenv =~ /^error\:/)) {
86: $userenv='';
87: }
88: $userenv=~s/\&/\nenvironment\./g;
89: if ($userenv ne '') {
90: $userenv='environment.'.$userenv;
91: }
92: # --------------------------------------------------------- Write first profile
93:
94: {
95: my $idf=Apache::File->new(">$lonids/$cookie.id");
96: unless (flock($idf,LOCK_EX)) {
97: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
98: 'Could not obtain exclusive lock in lonauth: '.$!);
99: $idf->close();
100: return 'error: '.$!;
101: }
102: if ($userenv ne '') { print $idf "$userenv\n"; }
103: print $idf "user.name=$username\n";
104: print $idf "user.domain=$domain\n";
105: print $idf "user.home=$authhost\n";
106: print $idf "browser.type=$clientbrowser\n";
107: print $idf "browser.version=$clientversion\n";
108: print $idf "browser.mathml=$clientmathml\n";
109: print $idf "browser.os=$clientos\n";
110: print $idf "request.course.fn=\n";
111: print $idf "request.course.uri=\n";
112: print $idf "request.course.sec=\n";
113: print $idf "request.role=cm\n";
114: print $idf "request.host=$ENV{'HTTP_HOST'}\n";
115: if ($userroles ne '') { print $idf "$userroles"; }
116: $idf->close();
117: }
118: $ENV{'request.role'}='cm';
119: # -------------------------------------------------------------------- Log this
120:
121: &Apache::lonnet::log($domain,$username,$authhost,
122: "Login $ENV{'REMOTE_ADDR'}");
123:
124: # ------------------------------------------------- Check for critical messages
125:
126: my @what=&Apache::lonnet::dump('critical',$domain,$username);
127: if ($what[0]) {
128: if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
129: $lowerurl='/adm/email?critical=display';
130: }
131: }
132:
133: # ------------------------------------------------------------ Get cookie ready
134:
135: $cookie="lonID=$cookie; path=/";
136: # -------------------------------------------------------- Menu script and info
137: my $windowinfo=&Apache::lonmenu::open();
138: # ------------------------------------------------------------- Info for Remote
139: my $configmenu=&Apache::lonmenu::rawconfig();
140: # ------------------------------------------------- Output for successful login
141:
142: $r->send_cgi_header(<<ENDHEADER);
143: Content-type: text/html
144: Set-cookie: $cookie
145:
146: ENDHEADER
147: $r->print(<<ENDSUCCESS);
148: <html>
149: <head>
150: <title>Successful Login to the LearningOnline Network with CAPA</title>
151: <script>
152:
153: // --------------------------------------------- Checks if server frame defined
154:
155: function checkdef() {
156: if ((menuloaded==0) && (tim==0)) { setTimeout('checkdef()',100); }
157: }
158:
159: // ---------------------------------------------------------- The wait function
160:
161: function wait() {
162: if ((menuloaded==1) || (tim==1)) {
163: if (tim==0) {
164: clearTimeout(canceltim);
165: $configmenu
166: window.location='$lowerurl';
167: } else {
168: alert("Remote Control Timed Out.");
169: }
170: } else {
171: setTimeout('wait();',100);
172: }
173: }
174:
175: function main() {
176: canceltim=setTimeout('tim=1;',80000);
177: checkdef();
178: wait();
179: }
180:
181: </script>
182: </head>
183: <body bgcolor="#FFFFFF">
184: <script>
185: menuloaded=0;
186: tim=0;
187: </script>
188: $windowinfo
189: <h1>Welcome!</h1>
190: <script>
191: main();
192: </script>
193: </body>
194: </html>
195: ENDSUCCESS
196: }
197:
198: # --------------------------------------------------------------- Failed login!
199:
200: sub failed {
201: my ($r,$message) = @_;
202: $r->send_cgi_header(<<ENDFHEADER);
203: Content-type: text/html
204:
205: ENDFHEADER
206: $r->print(<<ENDFAILED);
207: <html>
208: <head>
209: <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>
210: </head>
211: <html>
212: <body bgcolor="#FFFFFF">
213: <h1>Sorry ...</h1>
214: <h2>$message to use the Learning<i>Online</i> Network with CAPA</h2>
215: </body>
216: </html>
217: ENDFAILED
218: }
219:
220: # ---------------------------------------------------------------- Main handler
221:
222: sub handler {
223: my $r = shift;
224:
225: my $buffer;
226: $r->read($buffer,$r->header_in('Content-length'));
227: my @pairs=split(/&/,$buffer);
228: my $pair; my $name; my $value; my %FORM;
229: foreach $pair (@pairs) {
230: ($name,$value) = split(/=/,$pair);
231: $value =~ tr/+/ /;
232: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
233: $FORM{$name}=$value;
234: }
235:
236: if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {
237: failed($r,'Username, password and domain need to be specified');
238: return OK;
239: }
240: $FORM{'uname'} =~ s/\W//g;
241: $FORM{'udom'} =~ s/\W//g;
242:
243: my $role = $r->dir_config('lonRole');
244: my $domain = $r->dir_config('lonDefDomain');
245: my $prodir = $r->dir_config('lonUsersDir');
246:
247: # ---------------------------------------- Get the information from login token
248:
249: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'},
250: $FORM{'serverid'});
251:
252: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
253: failed($r,'Login token missing, inaccessible or expired');
254: return OK;
255: }
256:
257: my ($key,$firsturl)=split(/&/,$tmpinfo);
258:
259: my $keybin=pack("H16",$key);
260:
261: my $cipher=new DES $keybin;
262:
263: my $upass=$cipher->decrypt(
264: unpack("a8",pack("H16",substr($FORM{'upass'},0,16))));
265:
266: $upass.=$cipher->decrypt(
267: unpack("a8",pack("H16",substr($FORM{'upass'},16,16))));
268:
269: $upass=substr($upass,1,ord(substr($upass,0,1)));
270:
271: # ---------------------------------------------------------------- Authenticate
272: my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
273: $upass,
274: $FORM{'udom'});
275:
276: # --------------------------------------------------------------------- Failed?
277:
278: if ($authhost eq 'no_host') {
279: failed($r,'Username and/or password could not be authenticated');
280: return OK;
281: }
282:
283: if (($firsturl eq '') || ($firsturl eq '/adm/logout')) {
284: $firsturl='/res/adm/pages/index.html';
285: }
286:
287: success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
288: return OK;
289: }
290:
291: 1;
292: __END__
293:
294:
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