version 1.4, 2000/01/06 15:35:58
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version 1.19, 2001/08/11 21:05:42
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# The LearningOnline Network |
# The LearningOnline Network |
# Cookie Based Access Handler |
# Cookie Based Access Handler |
# 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11, |
# 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11, |
# 01/06 Gerd Kortemeyer |
# 01/06,01/13,05/31,06/01,09/06,09/25,09/28,10/30,11/6, |
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# 12/25,12/26, |
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# 01/06/01,05/28,8/11 Gerd Kortemeyer |
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package Apache::lonacc; |
package Apache::lonacc; |
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use strict; |
use strict; |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common :http :methods); |
use Apache::File; |
use Apache::File; |
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use Apache::lonnet; |
use CGI::Cookie(); |
use CGI::Cookie(); |
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use Fcntl qw(:flock); |
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
Line 21 sub handler {
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Line 25 sub handler {
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$handle=~s/\W//g; |
$handle=~s/\W//g; |
my $lonidsdir=$r->dir_config('lonIDsDir'); |
my $lonidsdir=$r->dir_config('lonIDsDir'); |
if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { |
if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { |
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# ------------------------------------------- Transfer profile into environment |
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my @profile; |
my @profile; |
{ |
{ |
my $idf=Apache::File->new("$lonidsdir/$handle.id"); |
my $idf=Apache::File->new("$lonidsdir/$handle.id"); |
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flock($idf,LOCK_SH); |
@profile=<$idf>; |
@profile=<$idf>; |
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$idf->close(); |
} |
} |
my $envi; |
my $envi; |
for ($envi=0;$envi<=$#profile;$envi++) { |
for ($envi=0;$envi<=$#profile;$envi++) { |
chomp($profile[$envi]); |
chomp($profile[$envi]); |
my ($envname,$envvalue)=split(/=/,$profile[$envi]); |
my ($envname,$envvalue)=split(/=/,$profile[$envi]); |
$r->subprocess_env("$envname" => "$envvalue"); |
$ENV{$envname} = $envvalue; |
} |
} |
$r->subprocess_env("user.environment" => "$lonidsdir/$handle.id", |
$ENV{'user.environment'} = "$lonidsdir/$handle.id"; |
"request.state" => "published", |
if ($requrl=~/^\/res\//) { |
"request.filename" => $r->filename); |
$ENV{'request.state'} = "published"; |
return OK; |
} else { |
} else { |
$ENV{'request.state'} = 'unknown'; |
$r->log_reason("Cookie $handle not valid", $r->filename) |
} |
}; |
$ENV{'request.filename'} = $r->filename; |
} |
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$cookie=CGI::Cookie->new(-name => 'lonURL', |
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-value => $requrl, |
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-path => '/'); |
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$r->err_headers_out->add('Set-Cookie' => $cookie); |
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return FORBIDDEN; |
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} |
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1; |
# --------------------- Figure out referer, first from HTTP_REFERER, then cache |
__END__ |
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my $referer=''; |
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if ($referer=$r->header_in('Referer')) { |
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$ENV{'HTTP_REFERER'}=$referer; |
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} else { |
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$ENV{'HTTP_REFERER'}=$ENV{'httpref.'.$requrl}; |
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} |
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# ------------------------------------------- Still no referer? Check wildcards |
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unless ($ENV{'HTTP_REFERER'}) { |
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map { |
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if ($_=~/^httpref\..*\*/) { |
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my $pattern=$_; |
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$pattern=~s/\*/\[\^\/\]\+/g; |
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$pattern=~s/\//\\\//g; |
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if ($requrl=~/$pattern/) { |
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$ENV{'HTTP_REFERER'}=$ENV{$_}; |
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} |
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} |
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} keys %ENV; |
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} |
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# -------------------------------------------------------- Load POST parameters |
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my $buffer; |
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$r->read($buffer,$r->header_in('Content-length')); |
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unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) { |
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my @pairs=split(/&/,$buffer); |
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my $pair; |
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foreach $pair (@pairs) { |
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my ($name,$value) = split(/=/,$pair); |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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$name =~ tr/+/ /; |
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$name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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$ENV{"form.$name"}=$value; |
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} |
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} else { |
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my $contentsep=$1; |
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my @lines = split (/\n/,$buffer); |
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my $name=''; |
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my $value=''; |
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my $fname=''; |
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my $fmime=''; |
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my $i; |
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for ($i=0;$i<=$#lines;$i++) { |
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if ($lines[$i]=~/^$contentsep/) { |
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if ($name) { |
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chomp($value); |
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if ($fname) { |
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$ENV{"form.$name.filename"}=$fname; |
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$ENV{"form.$name.mimetype"}=$fmime; |
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} else { |
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$value=~s/\s+$//s; |
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} |
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$ENV{"form.$name"}=$value; |
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} |
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if ($i<$#lines) { |
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$i++; |
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$lines[$i]=~ |
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/Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i; |
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$name=$1; |
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$value=''; |
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if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) { |
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$fname=$1; |
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if |
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($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) { |
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$fmime=$1; |
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$i++; |
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} else { |
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$fmime=''; |
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} |
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} else { |
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$fname=''; |
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$fmime=''; |
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} |
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$i++; |
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} |
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} else { |
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$value.=$lines[$i]."\n"; |
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} |
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} |
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} |
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$r->method_number(M_GET); |
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$r->method('GET'); |
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$r->headers_in->unset('Content-length'); |
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# ---------------------------------------------------------------- Check access |
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if ($requrl!~/^\/adm\//) { |
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my $access=&Apache::lonnet::allowed('bre',$requrl); |
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if ($access eq '1') { |
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$ENV{'user.error.msg'}="$requrl:bre:0:0:Choose Course"; |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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if (($access ne '2') && ($access ne 'F')) { |
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$ENV{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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} |
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return OK; |
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} else { |
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$r->log_reason("Cookie $handle not valid", $r->filename) |
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}; |
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} |
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# ----------------------------------------------- Store where they wanted to go |
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$ENV{'request.firsturl'}=$requrl; |
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return FORBIDDEN; |
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} |
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1; |
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__END__ |