#!/usr/bin/env perl

use warnings;
use LWP 5.64;
use CGI qw/:standard/;

#
# Copyright (c) 2008 Todd Harris (http://toddharris.net/)
# All rights reserved.
#
# This code is derived from software developed by Richard Cameron
# at CiteULike.org
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#        This product includes software developed by
#		 CiteULike <http://www.citeulike.org> and its
#		 contributors.
# 4. Neither the name of CiteULike nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY CITEULIKE.ORG AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.


my $browser = LWP::UserAgent->new;
$url = <>;

my $error = "status\terr\t (2) Could not fetch $url; Try posting the article from the citeulike abstract page at "
    . a({-href=>"http://citeulike.org/posturl"},'http://citeulike.org/posturl') . "\n";

# Add a flag to dynamically generate citeulike friendly output
$url .= ';citeulike=1';
$response = $browser->get($url) or print $error and exit;

if (my $content = $response->content) {
    print $content;
    print "status\tok\n";
} else {
    print $error and exit;
}