From 5595e7cc54eb627eae4fd6a189b27fd40ce309da Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Wed, 12 Aug 2015 19:03:47 +0200
Subject: [PATCH] Revert "Save state"

This reverts commit 545165e312a4391d36f6075edfe9fc4f43f55fac.
---
 .../lib/action/ImageProxyAction.class.php     | 90 -------------------
 1 file changed, 90 deletions(-)
 delete mode 100644 wcfsetup/install/files/lib/action/ImageProxyAction.class.php

diff --git a/wcfsetup/install/files/lib/action/ImageProxyAction.class.php b/wcfsetup/install/files/lib/action/ImageProxyAction.class.php
deleted file mode 100644
index f2d5e0a0e6..0000000000
--- 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();
-		}
-	}
-}
-- 
2.20.1