File:
[LON-CAPA] /
loncom /
cgi /
loncgi.pm
Revision
1.5:
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Wed May 25 22:31:51 2005 UTC (19 years, 3 months ago) by
albertel
Branches:
MAIN
CVS tags:
version_2_1_X,
version_2_1_3,
version_2_1_2,
version_2_1_1,
version_2_1_0,
version_2_0_X,
version_2_0_99_1,
version_2_0_2,
version_2_0_1,
version_2_0_0,
version_1_99_3,
version_1_99_2,
version_1_99_1,
version_1_99_0,
HEAD
- some more $ENV -> $env ceanups
#
# LON-CAPA helpers for cgi-bin scripts
#
# $Id: loncgi.pm,v 1.5 2005/05/25 22:31:51 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
#############################################
#############################################
=pod
=head1 NAME
loncgi
=head1 SYNOPSIS
Provides subroutines for checking a LON-CAPA cookie and loading the users
environment.
=head1 Subroutines
=over 4
=cut
#############################################
#############################################
package LONCAPA::loncgi;
use strict;
use warnings FATAL=>'all';
no warnings 'uninitialized';
use CGI();
use CGI::Cookie();
use Fcntl qw(:flock);
use LONCAPA::Configuration();
my $lonidsdir;
BEGIN {
my $perlvar=LONCAPA::Configuration::read_conf('loncapa.conf');
delete $perlvar->{'lonReceipt'};
$lonidsdir = $perlvar->{'lonIDsDir'};
}
#############################################
#############################################
=pod
=item check_cookie_and_load_env
Inputs: none
Returns: 1 if the user has a LON-CAPA cookie 0 if not.
Loads the users environment into the %env hash if the cookie is correct.
=cut
#############################################
#############################################
sub check_cookie_and_load_env {
my %cookies=fetch CGI::Cookie;
if (exists($cookies{'lonID'}) &&
-e "$lonidsdir/".$cookies{'lonID'}->value.".id") {
# cookie found
&transfer_profile_to_env($cookies{'lonID'}->value);
return 1;
} else {
# No cookie found
return 0;
}
}
#############################################
#############################################
=pod
=item check_cookie
Inputs: none
Returns: 1 if the user has a LON-CAPA cookie and 0 if not.
=cut
#############################################
#############################################
sub check_cookie {
my %cookies=fetch CGI::Cookie;
if (exists($cookies{'lonID'}) &&
-e "$lonidsdir/".$cookies{'lonID'}->value.".id") {
# cookie found
return 1;
} else {
# No cookie found
return 0;
}
}
#############################################
#############################################
=pod
=item transfer_profile_to_env
Load the users environment into the %env hash.
Inputs: $handle, the name of the users LON-CAPA cookie.
Returns: undef
=cut
#############################################
#############################################
sub transfer_profile_to_env {
my ($handle)=@_;
my @profile;
{
open(IDFILE, "<$lonidsdir/$handle.id");
flock(IDFILE,LOCK_SH);
@profile=<IDFILE>;
close(IDFILE);
}
foreach my $envrow (@profile) {
chomp($envrow);
my ($envname,$envvalue)=split(/=/,$envrow);
$Apache::lonnet::env{$envname} = $envvalue;
}
$Apache::lonnet::env{'user.environment'} = "$lonidsdir/$handle.id";
return undef;
}
#############################################
#############################################
=pod
=back
=cut
1;
__END__
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