<?php
/*
**	$Id$
**
**	itjs.php - Delivers /itjs/ files through AliasMatch in httpd.conf
**
**	ITools - the Internet Tools Library
**
**	Copyright (C) 1995-2003 by the ITools Authors.
**	This program is free software; you can redistribute it and/or
**	modify it under the terms of either the GNU General Public License
**	or the GNU Lesser General Public License, as published by the Free
**	Software Foundation. See http://www.gnu.org/licenses/ for details.
*/

require "itools/itools.lib";

if (EDC('slowjs'))
	 sleep(20);

$data = "";
$files = itjs::filenames(basename($_SERVER['PHP_SELF']));

foreach ($files as $file)
	$data .= ereg('\.php|\.html$', $file) ? @include($file) : @file_get_contents($file);

$checksum = strlen($data) . itjs::checksum($files);

if (ereg('\.gif$', $file))
	header("Content-Type: image/gif");
else if (!ereg('\.html$', $file))
{
	if (!$_REQUEST['retry'])
		ob_start('ob_gzhandler');

	header("Content-Type: application/x-javascript; charset=iso-8859-1");
}

@header("Etag: $checksum");

if ($checksum != $_SERVER['HTTP_IF_NONE_MATCH'])
{
	if ($_REQUEST['init'])
		$data .= "window.it_boot_init();";

	if ($_REQUEST['boot'])
	{
		$data = itjs::strip($data);
		echo itjs::serialize(array('code' => $data, 'len' => strlen($data)));
	}
	else
		echo itjs::strip($data);
}
else
	header("HTTP/1.0 304 Not Modified");

?>