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<?php |
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/** |
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* Proxy script to load a file from other domain |
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* |
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* PHP versions 4 and 5 |
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* |
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* Copyright (c) 2010-2013 Shinya Muramatsu |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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* |
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* @author Shinya Muramatsu <[email protected]> |
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* @copyright 2010-2013 Shinya Muramatsu |
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* @license http://www.opensource.org/licenses/mit-license.php MIT License |
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* @link http://flashcanvas.net/ |
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* @link http://code.google.com/p/flashcanvas/ |
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*/ |
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function FCgetHostName() { |
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if (isset($_SERVER['HTTP_X_FORWARDED_HOST'])) { |
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return $_SERVER['HTTP_X_FORWARDED_HOST']; |
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} else if (isset($_SERVER['HTTP_HOST'])) { |
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return $_SERVER['HTTP_HOST']; |
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} else { |
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return $_SERVER['SERVER_NAME']; |
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} |
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} |
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// Whether we check referrer or not |
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define('CHECK_REFERRER', true); |
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// If necessary, specify the host where the SWF file is located |
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define('SWF_HOST_NAME', ''); |
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// Check that the request comes from the same host |
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if (CHECK_REFERRER) { |
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if (empty($_SERVER['HTTP_REFERER'])) { |
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exit; |
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} |
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if (SWF_HOST_NAME) { |
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$host = SWF_HOST_NAME; |
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} else { |
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$host = FCgetHostName(); |
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} |
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$pattern = '#^https?://' . str_replace('.', '\.', $host) . '(:\d*)?/#'; |
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if (!preg_match($pattern, $_SERVER['HTTP_REFERER'])) { |
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exit; |
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} |
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} |
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// Check that the request has a valid URL parameter |
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if (empty($_GET['url'])) { |
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exit; |
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} |
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if (!preg_match('#^https?://#', $_GET['url'])) { |
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exit; |
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} |
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// Percent-encode special characters in the URL |
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$search = array( '%', '#', ' '); |
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$replace = array('%25', '%23', '%20'); |
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$url = str_replace($search, $replace, $_GET['url']); |
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// Disable compression |
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header('Content-Encoding: none'); |
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// Load and output the file |
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if (extension_loaded('curl')) { |
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// Use cURL extension |
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$ch = curl_init($url); |
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// curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
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// curl_setopt($ch, CURLOPT_MAXREDIRS, 10); |
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curl_exec($ch); |
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curl_close($ch); |
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} else { |
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// Use the http:// wrapper |
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readfile($url); |
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} |
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BurningFlipside /
CommonCode
