# The LearningOnline Network
# Cookie Based Access Handler for Construction Area
# (lonacc: 5/21/99,5/22,5/29,5/31 Gerd Kortemeyer)
# 6/15,16/11,22/11,
# 01/06,01/11,6/1,9/25 Gerd Kortemeyer
package Apache::loncacc;
use strict;
use Apache::Constants qw(:common :http :methods);
use Apache::File;
use CGI::Cookie();
sub handler {
my $r = shift;
my $requrl=$r->uri;
my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
my $lonid=$cookies{'lonID'};
my $cookie;
if ($lonid) {
my $handle=$lonid->value;
$handle=~s/\W//g;
my $lonidsdir=$r->dir_config('lonIDsDir');
if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
my $ownername=$requrl;
$ownername=~s/\/\~(\w+).*/\1/;
my $ownerdomain=$r->dir_config('lonDefDomain');
my @handleparts=split(/\_/,$handle);
my $username=$handleparts[0];
my $domain=$handleparts[2];
if (($username ne $ownername) || ($domain ne $ownerdomain)) {
$r->log_reason
("$username at $domain not authorized", $r->filename);
return HTTP_NOT_ACCEPTABLE;
}
my @profile;
{
my $idf=Apache::File->new("$lonidsdir/$handle.id");
@profile=<$idf>;
}
my $envi;
for ($envi=0;$envi<=$#profile;$envi++) {
chomp($profile[$envi]);
my ($envname,$envvalue)=split(/=/,$profile[$envi]);
$ENV{$envname} = $envvalue;
}
$ENV{'user.environment'} = "$lonidsdir/$handle.id";
$ENV{'request.state'} = "construct";
$ENV{'request.filename'} = $r->filename;
# -------------------------------------------------------- Load POST parameters
my $buffer;
$r->read($buffer,$r->header_in('Content-length'));
my @pairs=split(/&/,$buffer);
my $pair;
foreach $pair (@pairs) {
my ($name,$value) = split(/=/,$pair);
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
$ENV{"form.$name"}=$value;
}
$r->method_number(M_GET);
$r->method('GET');
$r->headers_in->unset('Content-length');
return OK;
} else {
$r->log_reason("Cookie $handle not valid", $r->filename)
};
}
# ----------------------------------------------- Store where they wanted to go
$ENV{'request.firsturl'}=$requrl;
return FORBIDDEN;
}
1;
__END__
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