#!/usr/bin/perl
#
# Copyright 2009 LibLime
# Parts copyright 2012 Athens County Public Libraries
#
# This file is part of Koha.
#
# Koha 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.
#
# Koha 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 Koha; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

use strict;
use warnings;
use C4::Members;
use CGI;
use CGI::Cookie;  # need to check cookies before having CGI parse the POST request
use C4::Auth qw(:DEFAULT check_cookie_auth);

my $query = new CGI;

unless (C4::Context->preference('OPACpatronimages')) {
    print $query->header(status => '403 Forbidden - displaying patron images in the OPAC not enabled');
    exit;
}

my $needed_flags;
my %cookies = fetch CGI::Cookie;
my $sessid = $cookies{'CGISESSID'}->value;
my ($auth_status, $auth_sessid) = check_cookie_auth($sessid, $needed_flags);
my $borrowernumber = C4::Context->userenv->{'number'};
my $cardnumber = C4::Context->userenv->{'cardnumber'};

my ($imagedata, $dberror) = GetPatronImage($cardnumber);

if ($dberror) {
    print $query->header(status => '500 internal error');
}

if ($imagedata) {
    print $query->header(-type => $imagedata->{'mimetype'},
                         -Content_Length => length ($imagedata->{'imagefile'})),
          $imagedata->{'imagefile'};
} else {
    print $query->header(status => '404 patron image not found');
}