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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2007 Bharat Mediratta
*
* This program 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.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* Access point for external application in which Gallery is embedded.
* See modules/core/classes/GalleryEmbed.class and
* http://codex.gallery2.org/index.php/Gallery2:Embedding for more details.
*
* @package Gallery
* @author Alan Harder <alan.harder@sun.com>
* @version $Revision: 15513 $
*/
/* Define G2_EMBED = 1 to remember to generate correct URLs and return the HTML, etc. */
require_once(dirname(__FILE__) . '/modules/core/classes/GalleryDataCache.class');
GalleryDataCache::put('G2_EMBED', 1, true);
require(dirname(__FILE__) . '/main.php');
require(dirname(__FILE__) . '/modules/core/classes/GalleryEmbed.class');
/*
* Simplify finding the path to embed.php by sending it as a HTTP header
* Idea:
* In your integration setup you need to find out
* - the filesystem path for embed.php
* - the g2Uri and the embedUri.
* You can get the embed.php path with your g2Uri by fetching
* http://example.com/gallery2/embed.php?getEmbedPath=1 via fsockopen.
*/
$getEmbedPath = GalleryUtilities::getRequestVariablesNoPrefix('getEmbedPath');
if (!empty($getEmbedPath)){
if (!headers_sent()) {
/*
* Don't use GalleryUtilities::getRemoteHostAddress()
* since it checks headers that can be forged easily too
*/
$remotehost = GalleryUtilities::getServerVar('REMOTE_ADDR');
$remotehost = !empty($remotehost) ? gethostbyname($remotehost) : '';
$localhost = GalleryUtilities::getServerVar('HTTP_HOST');
$localhost = !empty($localhost) ? gethostbyname($localhost) : '127.0.0.1';
if (!empty($remotehost) && $remotehost == $localhost) {
if (defined('GALLERY_CONFIG_DIR')) {
/* GALLERY_CONFIG_DIR is multisite-aware */
header('X-G2-EMBED-PATH: ' . GALLERY_CONFIG_DIR . '/embed.php');
} else {
/* Fallback if G2 isn't installed yet */
header('X-G2-EMBED-PATH: ' . __FILE__ );
}
}
}
}
?>
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