Annotation of loncom/auth/loncacc.pm, revision 1.17
1.1 albertel 1: # The LearningOnline Network
2: # Cookie Based Access Handler for Construction Area
3: # (lonacc: 5/21/99,5/22,5/29,5/31 Gerd Kortemeyer)
1.17 ! www 4: #
! 5: # $Id: gplheader.pl,v 1.1 2001/11/29 18:19:27 www Exp $
! 6: #
! 7: # Copyright Michigan State University Board of Trustees
! 8: #
! 9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
! 10: #
! 11: # LON-CAPA is free software; you can redistribute it and/or modify
! 12: # it under the terms of the GNU General Public License as published by
! 13: # the Free Software Foundation; either version 2 of the License, or
! 14: # (at your option) any later version.
! 15: #
! 16: # LON-CAPA is distributed in the hope that it will be useful,
! 17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
! 18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 19: # GNU General Public License for more details.
! 20: #
! 21: # You should have received a copy of the GNU General Public License
! 22: # along with LON-CAPA; if not, write to the Free Software
! 23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
! 24: #
! 25: # /home/httpd/html/adm/gpl.txt
! 26: #
! 27: # http://www.lon-capa.org/
! 28: #
1.4 www 29: # 6/15,16/11,22/11,
1.15 www 30: # 01/06,01/11,6/1,9/25,9/28,11/22,12/25,12/26,
1.16 www 31: # 01/06/01,05/04,05/05,05/09 Gerd Kortemeyer
1.1 albertel 32:
33: package Apache::loncacc;
34:
35: use strict;
1.8 www 36: use Apache::Constants qw(:common :http :methods);
1.7 www 37: use Apache::File;
1.1 albertel 38: use CGI::Cookie();
1.14 www 39: use Fcntl qw(:flock);
1.1 albertel 40:
1.15 www 41: sub constructaccess {
42: my ($url,$ownerdomain)=@_;
1.16 www 43: my ($ownername)=($url=~/\/(?:\~|priv\/|home\/)(\w+)/);
1.15 www 44: unless (($ownername) && ($ownerdomain)) { return ''; }
45:
46: if (($ownername eq $ENV{'user.name'}) &&
47: ($ownerdomain eq $ENV{'user.domain'})) {
48: return ($ownername,$ownerdomain);
49: }
50:
51: my $capriv='user.priv.ca./'.
52: $ownerdomain.'/'.$ownername.'./'.
53: $ownerdomain.'/'.$ownername;
54: map {
55: if ($_ eq $capriv) {
56: return ($ownername,$ownerdomain);
57: }
58: } keys %ENV;
59:
60: return '';
61: }
62:
1.1 albertel 63: sub handler {
64: my $r = shift;
65: my $requrl=$r->uri;
66: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
67: my $lonid=$cookies{'lonID'};
68: my $cookie;
69: if ($lonid) {
70: my $handle=$lonid->value;
71: $handle=~s/\W//g;
72: my $lonidsdir=$r->dir_config('lonIDsDir');
73: if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
1.2 www 74: my @profile;
75: {
76: my $idf=Apache::File->new("$lonidsdir/$handle.id");
1.14 www 77: flock($idf,LOCK_SH);
1.2 www 78: @profile=<$idf>;
1.14 www 79: $idf->close();
1.2 www 80: }
81: my $envi;
82: for ($envi=0;$envi<=$#profile;$envi++) {
83: chomp($profile[$envi]);
84: my ($envname,$envvalue)=split(/=/,$profile[$envi]);
1.9 www 85: $ENV{$envname} = $envvalue;
1.2 www 86: }
1.9 www 87: $ENV{'user.environment'} = "$lonidsdir/$handle.id";
88: $ENV{'request.state'} = "construct";
89: $ENV{'request.filename'} = $r->filename;
1.15 www 90:
91: unless (&constructaccess($requrl,$r->dir_config('lonDefDomain'))) {
92: $r->log_reason("Unauthorized $requrl", $r->filename);
93: return HTTP_NOT_ACCEPTABLE;
94: }
1.9 www 95:
96: # -------------------------------------------------------- Load POST parameters
97:
98:
1.12 www 99: my $buffer;
1.8 www 100:
1.12 www 101: $r->read($buffer,$r->header_in('Content-length'));
102:
103: unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) {
1.5 www 104: my @pairs=split(/&/,$buffer);
1.9 www 105: my $pair;
1.5 www 106: foreach $pair (@pairs) {
1.9 www 107: my ($name,$value) = split(/=/,$pair);
1.6 www 108: $value =~ tr/+/ /;
109: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.10 www 110: $name =~ tr/+/ /;
111: $name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.9 www 112: $ENV{"form.$name"}=$value;
1.5 www 113: }
1.12 www 114: } else {
115: my $contentsep=$1;
116: my @lines = split (/\n/,$buffer);
117: my $name='';
118: my $value='';
119: my $fname='';
120: my $fmime='';
121: my $i;
122: for ($i=0;$i<=$#lines;$i++) {
123: if ($lines[$i]=~/^$contentsep/) {
124: if ($name) {
125: chomp($value);
126: if ($fname) {
127: $ENV{"form.$name.filename"}=$fname;
128: $ENV{"form.$name.mimetype"}=$fmime;
1.13 www 129: } else {
130: $value=~s/\s+$//s;
1.12 www 131: }
1.13 www 132: $ENV{"form.$name"}=$value;
1.12 www 133: }
134: if ($i<$#lines) {
135: $i++;
136: $lines[$i]=~
137: /Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i;
138: $name=$1;
139: $value='';
140: if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) {
141: $fname=$1;
142: if
143: ($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) {
144: $fmime=$1;
145: $i++;
146: } else {
147: $fmime='';
148: }
149: } else {
150: $fname='';
151: $fmime='';
152: }
153: $i++;
154: }
155: } else {
156: $value.=$lines[$i]."\n";
157: }
158: }
159: }
1.8 www 160: $r->method_number(M_GET);
161: $r->method('GET');
162: $r->headers_in->unset('Content-length');
163:
1.1 albertel 164: return OK;
165: } else {
166: $r->log_reason("Cookie $handle not valid", $r->filename)
167: };
168: }
1.6 www 169:
170: # ----------------------------------------------- Store where they wanted to go
171:
172: $ENV{'request.firsturl'}=$requrl;
1.1 albertel 173: return FORBIDDEN;
174: }
175:
176: 1;
177: __END__
178:
179:
180:
181:
182:
183:
184:
185:
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