Annotation of loncom/auth/loncacc.pm, revision 1.19
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)
1.4 www 4: # 6/15,16/11,22/11,
1.15 www 5: # 01/06,01/11,6/1,9/25,9/28,11/22,12/25,12/26,
1.16 www 6: # 01/06/01,05/04,05/05,05/09 Gerd Kortemeyer
1.1 albertel 7:
8: package Apache::loncacc;
9:
10: use strict;
1.8 www 11: use Apache::Constants qw(:common :http :methods);
1.7 www 12: use Apache::File;
1.1 albertel 13: use CGI::Cookie();
1.14 www 14: use Fcntl qw(:flock);
1.1 albertel 15:
1.15 www 16: sub constructaccess {
17: my ($url,$ownerdomain)=@_;
1.16 www 18: my ($ownername)=($url=~/\/(?:\~|priv\/|home\/)(\w+)/);
1.15 www 19: unless (($ownername) && ($ownerdomain)) { return ''; }
20:
21: if (($ownername eq $ENV{'user.name'}) &&
22: ($ownerdomain eq $ENV{'user.domain'})) {
23: return ($ownername,$ownerdomain);
24: }
25:
26: my $capriv='user.priv.ca./'.
27: $ownerdomain.'/'.$ownername.'./'.
28: $ownerdomain.'/'.$ownername;
1.19 ! www 29: map {
1.15 www 30: if ($_ eq $capriv) {
31: return ($ownername,$ownerdomain);
32: }
1.19 ! www 33: } keys %ENV;
1.15 www 34:
35: return '';
36: }
37:
1.1 albertel 38: sub handler {
39: my $r = shift;
40: my $requrl=$r->uri;
41: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
42: my $lonid=$cookies{'lonID'};
43: my $cookie;
44: if ($lonid) {
45: my $handle=$lonid->value;
46: $handle=~s/\W//g;
47: my $lonidsdir=$r->dir_config('lonIDsDir');
48: if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
1.2 www 49: my @profile;
50: {
51: my $idf=Apache::File->new("$lonidsdir/$handle.id");
1.14 www 52: flock($idf,LOCK_SH);
1.2 www 53: @profile=<$idf>;
1.14 www 54: $idf->close();
1.2 www 55: }
56: my $envi;
57: for ($envi=0;$envi<=$#profile;$envi++) {
58: chomp($profile[$envi]);
59: my ($envname,$envvalue)=split(/=/,$profile[$envi]);
1.9 www 60: $ENV{$envname} = $envvalue;
1.2 www 61: }
1.9 www 62: $ENV{'user.environment'} = "$lonidsdir/$handle.id";
63: $ENV{'request.state'} = "construct";
64: $ENV{'request.filename'} = $r->filename;
1.15 www 65:
66: unless (&constructaccess($requrl,$r->dir_config('lonDefDomain'))) {
67: $r->log_reason("Unauthorized $requrl", $r->filename);
68: return HTTP_NOT_ACCEPTABLE;
69: }
1.9 www 70:
71: # -------------------------------------------------------- Load POST parameters
72:
73:
1.12 www 74: my $buffer;
1.8 www 75:
1.12 www 76: $r->read($buffer,$r->header_in('Content-length'));
77:
78: unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) {
1.5 www 79: my @pairs=split(/&/,$buffer);
1.9 www 80: my $pair;
1.5 www 81: foreach $pair (@pairs) {
1.9 www 82: my ($name,$value) = split(/=/,$pair);
1.6 www 83: $value =~ tr/+/ /;
84: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.10 www 85: $name =~ tr/+/ /;
86: $name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.9 www 87: $ENV{"form.$name"}=$value;
1.5 www 88: }
1.12 www 89: } else {
90: my $contentsep=$1;
91: my @lines = split (/\n/,$buffer);
92: my $name='';
93: my $value='';
94: my $fname='';
95: my $fmime='';
96: my $i;
97: for ($i=0;$i<=$#lines;$i++) {
98: if ($lines[$i]=~/^$contentsep/) {
99: if ($name) {
100: chomp($value);
101: if ($fname) {
102: $ENV{"form.$name.filename"}=$fname;
103: $ENV{"form.$name.mimetype"}=$fmime;
1.13 www 104: } else {
105: $value=~s/\s+$//s;
1.12 www 106: }
1.13 www 107: $ENV{"form.$name"}=$value;
1.12 www 108: }
109: if ($i<$#lines) {
110: $i++;
111: $lines[$i]=~
112: /Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i;
113: $name=$1;
114: $value='';
115: if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) {
116: $fname=$1;
117: if
118: ($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) {
119: $fmime=$1;
120: $i++;
121: } else {
122: $fmime='';
123: }
124: } else {
125: $fname='';
126: $fmime='';
127: }
128: $i++;
129: }
130: } else {
131: $value.=$lines[$i]."\n";
132: }
133: }
134: }
1.19 ! www 135: $ENV{'request.method'}=$ENV{'REQUEST_METHOD'};
1.8 www 136: $r->method_number(M_GET);
137: $r->method('GET');
138: $r->headers_in->unset('Content-length');
139:
1.1 albertel 140: return OK;
141: } else {
142: $r->log_reason("Cookie $handle not valid", $r->filename)
143: };
144: }
1.6 www 145:
146: # ----------------------------------------------- Store where they wanted to go
147:
148: $ENV{'request.firsturl'}=$requrl;
1.1 albertel 149: return FORBIDDEN;
150: }
151:
152: 1;
153: __END__
154:
155:
156:
157:
158:
159:
160:
161:
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