Annotation of loncom/auth/lonauth.pm, revision 1.10
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,
1.10 ! www 6: # 7/1,7/10 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();
16:
17: # ------------------------------------------------------------ Successful login
18:
19: sub success {
1.6 www 20: my ($r, $username, $domain, $authhost,$lowerurl) = @_;
1.1 albertel 21: my $lonids=$r->dir_config('lonIDsDir');
1.4 www 22:
23: # See if old ID present, if so, remove
1.1 albertel 24: my $cookie;
1.4 www 25: while ($cookie=<$lonids/$username\_*\_$domain\_$authhost.id>) {
26: unlink($cookie);
27: }
28:
29: # Give them a new cookie
30:
1.5 www 31: my $now=time;
32: $cookie="$username\_$now\_$domain\_$authhost";
33:
34: # Initialize roles
35:
36: my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost);
37:
1.7 www 38: # ------------------------------------ Check browser type and MathML capability
1.6 www 39:
40: my @browsertype=split(/\&/,$r->dir_config("lonBrowsDet"));
41: my %mathcap=split(/\&/,$r->dir_config("lonMathML"));
42: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
43: my $i;
44: my $clientbrowser='unknown';
45: my $clientversion='0';
46: my $clientmathml='';
47: for ($i=0;$i<=$#browsertype;$i++) {
48: my ($bname,$match,$notmatch,$vreg,$minv)=split(/\:/,$browsertype[$i]);
49: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
50: $clientbrowser=$bname;
51: $httpbrowser=~/$vreg/i;
52: $clientversion=$1;
53: $clientmathml=($clientversion>=$minv);
54: }
55: }
56: my $clientos='unknown';
57: if (($httpbrowser=~/linux/i) ||
58: ($httpbrowser=~/unix/i) ||
59: ($httpbrowser=~/ux/i) ||
60: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
61: if (($httpbrowser=~/vax/i) ||
62: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
63: if ($httpbrowser=~/next/i) { $clientos='next'; }
64: if (($httpbrowser=~/mac/i) ||
65: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1.10 ! www 66: if ($httpbrowser=~/win/i) { $clientos='win'; }
1.6 www 67:
1.7 www 68: # --------------------------------------------------------- Write first profile
1.5 www 69:
70: {
1.1 albertel 71: my $idf=Apache::File->new(">$lonids/$cookie.id");
1.4 www 72: print $idf "user.name=$username\n";
73: print $idf "user.domain=$domain\n";
74: print $idf "user.home=$authhost\n";
1.6 www 75: print $idf "browser.type=$clientbrowser\n";
76: print $idf "browser.version=$clientversion\n";
77: print $idf "browser.mathml=$clientmathml\n";
78: print $idf "browser.os=$clientos\n";
1.4 www 79: if ($userroles ne '') { print $idf "$userroles" };
1.1 albertel 80: }
1.7 www 81: # -------------------------------------------------------------------- Log this
82:
83: &Apache::lonnet::log($domain,$username,$authhost,
84: "Login $ENV{'REMOTE_ADDR'}");
1.4 www 85:
1.5 www 86: # ------------------------------------------------------------ Get cookie ready
87:
1.1 albertel 88: $cookie="lonID=$cookie; path=/";
1.5 www 89:
90: # ------------------------------------------------- Output for successful login
91:
1.1 albertel 92: $r->send_cgi_header(<<ENDHEADER);
93: Content-type: text/html
94: Set-cookie: $cookie
95:
96: ENDHEADER
97: $r->print(<<ENDSUCCESS);
98: <html>
99: <head>
1.4 www 100: <title>Successful Login to the LearningOnline Network with CAPA</title>
1.6 www 101: <meta HTTP-EQUIV="Refresh" CONTENT="1; url=$lowerurl">
1.1 albertel 102: </head>
1.6 www 103: <body bgcolor="#FFFFFF">
1.7 www 104: <script>
105: menu=window.open("/res/adm/pages/menu.html","LONCAPAmenu",
106: "height=350,width=150,scrollbars=no,menubar=no");
107: </script>
1.6 www 108: <h1>Welcome!</h1>
109: </body>
1.1 albertel 110: </html>
111: ENDSUCCESS
112: }
113:
114: # --------------------------------------------------------------- Failed login!
115:
116: sub failed {
117: my ($r,$message) = @_;
118: $r->send_cgi_header(<<ENDFHEADER);
119: Content-type: text/html
120:
121: ENDFHEADER
122: $r->print(<<ENDFAILED);
123: <html>
124: <head>
1.4 www 125: <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>
1.1 albertel 126: </head>
127: <html>
128: <body bgcolor="#FFFFFF">
129: <h1>Sorry ...</h1>
1.4 www 130: <h2>$message to use the Learning<i>Online</i> Network with CAPA</h2>
1.1 albertel 131: </body>
132: </html>
133: ENDFAILED
134: }
135:
136: # ---------------------------------------------------------------- Main handler
137:
138: sub handler {
139: my $r = shift;
140:
141: my $buffer;
142: $r->read($buffer,$r->header_in('Content-length'));
143: my @pairs=split(/&/,$buffer);
144: my $pair; my $name; my $value; my %FORM;
145: foreach $pair (@pairs) {
146: ($name,$value) = split(/=/,$pair);
1.7 www 147: $value =~ tr/+/ /;
148: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.1 albertel 149: $FORM{$name}=$value;
150: }
151:
152: if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {
153: failed($r,'Username, password and domain need to be specified');
154: return OK;
155: }
156: $FORM{'uname'} =~ s/\W//g;
157: $FORM{'udom'} =~ s/\W//g;
158:
159: my $role = $r->dir_config('lonRole');
160: my $domain = $r->dir_config('lonDefDomain');
161: my $prodir = $r->dir_config('lonUsersDir');
162:
1.8 www 163: # ---------------------------------------- Get the information from login token
164:
165: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'},
166: $FORM{'serverid'});
167:
168: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
169: failed($r,'Login token missing, inaccessible or expired');
170: return OK;
171: }
172:
1.9 www 173: my ($key,$firsturl)=split(/&/,$tmpinfo);
1.8 www 174:
175: my $keybin=pack("H16",$key);
176:
177: my $cipher=new DES $keybin;
178:
179: my $upass=$cipher->decrypt(
180: unpack("a8",pack("H16",substr($FORM{'upass'},0,16))));
181:
182: $upass.=$cipher->decrypt(
183: unpack("a8",pack("H16",substr($FORM{'upass'},16,16))));
184:
185: $upass=substr($upass,1,ord(substr($upass,0,1)));
186:
1.1 albertel 187: # ---------------------------------------------------------------- Authenticate
188: my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
1.8 www 189: $upass,
1.1 albertel 190: $FORM{'udom'});
191:
192: # --------------------------------------------------------------------- Failed?
193:
194: if ($authhost eq 'no_host') {
195: failed($r,'Username and/or password could not be authenticated');
196: return OK;
197: }
198:
1.8 www 199: if ($firsturl eq '') {
200: $firsturl='/res/adm/pages/index.html';
1.7 www 201: }
1.1 albertel 202:
1.8 www 203: success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
1.1 albertel 204: return OK;
205: }
206:
207: 1;
208: __END__
1.7 www 209:
210:
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