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