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<?php
/*
** $Id$
**
** Copyright (C) 1995-2007 by the ITools Authors.
** This file is part of ITools - the Internet Tools Library
**
** ITools 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.
**
** ITools 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 this program. If not, see <http://www.gnu.org/licenses/>.
**
** itjs.php - Delivers /itjs/ files through AliasMatch in httpd.conf
*/
require "itools/itools.lib";
if (EDC('slowjs'))
sleep(20);
$data = "";
$files = itjs::filenames(it::match('/itjs/([a-z0-9_,.-]*)', $_SERVER['PHP_SELF']));
foreach ($files as $file)
{
ob_start(); # Needs to capture inside loop to guarantee file order
if (!(it::match('W3C_CSS_Validator', $_SERVER['HTTP_USER_AGENT']) && it::match('jquery-ui\.css', $file)))
$data .= it::replace(array('^1$' => ""), @include($file));
$data .= ob_get_clean();
}
$checksum = strlen($data) . itjs::checksum($files);
if (it::match('\.gif$', $file))
{
header("Content-Type: image/gif");
}
else if (it::match('\.css', $_SERVER['PHP_SELF']))
{
header("Content-Type: text/css");
ob_start('ob_gzhandler');
$data .= "\n#it_boot_dom { display:none }\n"; # Append magic style for it_boot
if (!it::match('^devel', $GLOBALS['ULTRASERVERTYPE']))
$data = it::replace(array('[ \t]*([{};])[ \t]*' => '$1', '/\*.*?\*/' => ""), $data);
if (it::match('W3C_CSS_Validator', $_SERVER['HTTP_USER_AGENT']))
$data = it::replace(array('background[^;}]*(gradient|rgba)[^;}]*;?' => "", '(filter:\s*progid|text-overflow:|zoom:|-webkit|display:-moz-|-moz-|-o-|cursor:|border-radius:|behavior:|\w+:expression)[^;}]*;?' => "", 'html\.ie6.*' => "", '([^/])\*(\w)' => '$1$2'), $data);
}
else if (!it::match('\.html$', $file))
{
if ($_REQUEST['boot'] && !$_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 (!preg_match('/Opera/', $_SERVER['HTTP_USER_AGENT']))
header("Cache-Control: max-age=900");
$data = itjs::strip($data);
if ($_REQUEST['boot'])
{
$data .= "window.it_boot_init();\n";
if (!$_REQUEST['script'])
$data = sprintf("/*sln:%d*/\n%s/*eln:%d*/", strlen($data), strtr($data, array('%' => "%25", '.' => "%2e", 'e' => "%65", 'i' => "%69")), strlen($data)); # Protect from Firewalls/Proxies altering Javascript source code
}
echo it_untaint($data);
}
else
header("HTTP/1.0 304 Not Modified");
?>
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