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#!/usr/bin/perl
# Copyright 2014 ByWater Solutions
#
# 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 3 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 Modern::Perl;
use CGI qw(header);
use GD::Barcode;
use C4::Auth qw(check_cookie_auth);
=head1 NAME
/cgi-bin/koha/svc/barcode
=head1 SYNOPSIS
This service generates a PNG barcode image for the requested barcode.
=head2 PARAMETERS
=over
=item I<barcode>
I<barcode> is the desired barcode. It should be called like:
=item I<type>
I<type> is the desired barcode type. Possible values are
Code39
UPCE
UPCA
QRcode
NW7
Matrix2of5
ITF
Industrial2of5
IATA2of5
EAN8
EAN13
COOP2of5
If ommited,it defaults to Code39.
=back
=head2 EXAMPLES
=over
=item /cgi-bin/koha/svc/barcode?barcode=123456789
Returns a Code39 barcode image for barcode 123456789
=item /cgi-bin/koha/svc/barcode?barcode=123456789&type=UPCE
Returns a UPCE barcode image for barcode 123456789
=cut
my $input = new CGI;
my ( $auth_status, $sessionID ) = check_cookie_auth( $input->cookie('CGISESSID'), { catalogue => '*' } );
if ( $auth_status ne "ok" ) {
exit 0;
}
binmode(STDOUT);
my $type = $input->param('type') || 'Code39';
my $barcode = $input->param('barcode');
my $image;
eval {
$image = GD::Barcode->new( $type, $barcode )->plot()->png();
};
if ( $@ ) {
# problem creating image
print header( -status => 500 );
} else {
print header('image/png');
print $image;
}
exit 0;
=head1 AUTHOR
Kyle M Hall <kyle@bywatersolutions.com>
=cut