68 lines
2.6 KiB
PHP
68 lines
2.6 KiB
PHP
<?php
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/*
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2007 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* Access point for external application in which Gallery is embedded.
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* See modules/core/classes/GalleryEmbed.class and
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* http://codex.gallery2.org/index.php/Gallery2:Embedding for more details.
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*
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* @package Gallery
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* @author Alan Harder <alan.harder@sun.com>
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* @version $Revision: 15513 $
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*/
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/* Define G2_EMBED = 1 to remember to generate correct URLs and return the HTML, etc. */
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require_once(dirname(__FILE__) . '/modules/core/classes/GalleryDataCache.class');
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GalleryDataCache::put('G2_EMBED', 1, true);
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require(dirname(__FILE__) . '/main.php');
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require(dirname(__FILE__) . '/modules/core/classes/GalleryEmbed.class');
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/*
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* Simplify finding the path to embed.php by sending it as a HTTP header
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* Idea:
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* In your integration setup you need to find out
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* - the filesystem path for embed.php
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* - the g2Uri and the embedUri.
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* You can get the embed.php path with your g2Uri by fetching
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* http://example.com/gallery2/embed.php?getEmbedPath=1 via fsockopen.
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*/
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$getEmbedPath = GalleryUtilities::getRequestVariablesNoPrefix('getEmbedPath');
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if (!empty($getEmbedPath)){
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if (!headers_sent()) {
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/*
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* Don't use GalleryUtilities::getRemoteHostAddress()
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* since it checks headers that can be forged easily too
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*/
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$remotehost = GalleryUtilities::getServerVar('REMOTE_ADDR');
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$remotehost = !empty($remotehost) ? gethostbyname($remotehost) : '';
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$localhost = GalleryUtilities::getServerVar('HTTP_HOST');
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$localhost = !empty($localhost) ? gethostbyname($localhost) : '127.0.0.1';
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if (!empty($remotehost) && $remotehost == $localhost) {
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if (defined('GALLERY_CONFIG_DIR')) {
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/* GALLERY_CONFIG_DIR is multisite-aware */
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header('X-G2-EMBED-PATH: ' . GALLERY_CONFIG_DIR . '/embed.php');
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} else {
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/* Fallback if G2 isn't installed yet */
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header('X-G2-EMBED-PATH: ' . __FILE__ );
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}
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}
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}
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}
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?>
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