Revert "Save state"

This reverts commit 545165e312a4391d36f6075edfe9fc4f43f55fac.

diff --git a/wcfsetup/install/files/lib/action/ImageProxyAction.class.php b/wcfsetup/install/files/lib/action/ImageProxyAction.class.php
deleted file mode 100644 (file)
index f2d5e0a..0000000
--- a/wcfsetup/install/files/lib/action/ImageProxyAction.class.php
+++ /dev/null
@@ -1,90 +0,0 @@
-<?php
-namespace wcf\action;
-use wcf\system\exception\IllegalLinkException;
-use wcf\system\exception\SystemException;
-use wcf\util\FileUtil;
-use wcf\util\HTTPRequest;
-use wcf\util\StringUtil;
-
-/**
- * Caches external images locally.
- * 
- * @author     Matthias Schmidt
- * @copyright  2001-2015 WoltLab GmbH
- * @license    GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package    com.woltlab.wcf
- * @subpackage action
- * @category   Community Framework
- */
-class ImageProxyAction extends AbstractAction {
-       /**
-        * hashed image proxy secret and image url
-        * @var string
-        */
-       public $hash = '';
-       
-       /**
-        * url-encoded image url
-        * @var string
-        */
-       public $url = '';
-       
-       /**
-        * @see \wcf\action\IAction::readParameters()
-        */
-       public function readParameters() {
-               parent::readParameters();
-               
-               if (isset($_REQUEST['url'])) $this->url = StringUtil::trim($_REQUEST['url']);
-               if (isset($_REQUEST['hash'])) $this->hash = StringUtil::trim($_REQUEST['hash']);
-       }
-       
-       /**
-        * @see \wcf\action\IAction::execute()
-        */
-       public function execute() {
-               parent::execute();
-               
-               $url = urldecode($this->url);
-               $hash = sha1(IMAGE_PROXY_SECRET.$url);
-               if ($this->hash != $hash) {
-                       throw new IllegalLinkException();
-               }
-               
-               try {
-                       $request = new HTTPRequest($url);
-                       $request->execute();
-                       $reply = $request->getReply();
-                       
-                       $fileExtension = '';
-                       if (($position = mb_strrpos($url, '.')) !== false) {
-                               $fileExtension = mb_strtolower(mb_substr($url, $position + 1));
-                       }
-                       
-                       // check if requested content is image
-                       if (!isset($reply['headers']['Content-Type']) || !StringUtil::startsWith($reply['headers']['Content-Type'], 'image/')) {
-                               throw new IllegalLinkException();
-                       }
-                       
-                       // save image
-                       $fileLocation = WCF_DIR.'images/proxy/'.substr($hash, 0, 2).'/'.$hash.($fileExtension ? '.'.$fileExtension : '');
-                       $dir = dirname($fileLocation);
-                       if (!@file_exists($dir)) {
-                               FileUtil::makePath($dir, 0777);
-                       }
-                       file_put_contents($fileLocation, $reply['body']);
-                       
-                       // update mtime for correct expiration calculation
-                       @touch($fileLocation);
-                       
-                       $this->executed();
-                       
-                       @header('Content-Type: '.$reply['headers']['Content-Type']);
-                       @readfile($fileLocation);
-                       exit;
-               }
-               catch (SystemException $e) {
-                       throw new IllegalLinkException();
-               }
-       }
-}