From 8e44f0f3c5b6b76aaa521a0fb80b27b1b6c9f7c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Steffen=20Schro=CC=88der?= <schteffens@gmail.com>
Date: Fri, 27 Jun 2014 00:38:56 +0200
Subject: [PATCH] web reader for synchronous web requests

---
 application/core/Files/WebReader.php | 79 ++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 application/core/Files/WebReader.php

diff --git a/application/core/Files/WebReader.php b/application/core/Files/WebReader.php
new file mode 100644
index 00000000..e0821bb6
--- /dev/null
+++ b/application/core/Files/WebReader.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace ManiaControl\Files;
+
+use cURL\Request;
+use cURL\Response;
+use ManiaControl\ManiaControl;
+
+/**
+ * Reader Utility Class for efficient Web Requests
+ *
+ * @author    ManiaControl Team <mail@maniacontrol.com>
+ * @copyright 2014 ManiaControl Team
+ * @license   http://www.gnu.org/licenses/ GNU General Public License, Version 3
+ */
+abstract class WebReader {
+
+	/**
+	 * Load a URL via GET
+	 *
+	 * @param string   $url
+	 * @param callable $function
+	 * @return Response
+	 */
+	public static function loadUrl($url, callable $function = null) {
+		$request  = static::newRequest($url);
+		$response = $request->send();
+		if (!is_null($function)) {
+			$content = $response->getContent();
+			$error   = $response->getError()
+			                    ->getMessage();
+			call_user_func($function, $content, $error);
+		}
+		return $response;
+	}
+
+	/**
+	 * Create a new cURL Request for the given URL
+	 *
+	 * @param string $url
+	 * @return Request
+	 */
+	protected static function newRequest($url) {
+		$request = new Request($url);
+		$request->getOptions()
+		        ->set(CURLOPT_TIMEOUT, 10)
+		        ->set(CURLOPT_HEADER, false) // don't display response header
+		        ->set(CURLOPT_CRLF, true) // linux line feed
+		        ->set(CURLOPT_ENCODING, '') // accept encoding
+		        ->set(CURLOPT_USERAGENT, 'ManiaControl v' . ManiaControl::VERSION) // user-agent
+		        ->set(CURLOPT_RETURNTRANSFER, true) // return instead of output content
+		        ->set(CURLOPT_AUTOREFERER, true); // follow redirects
+		return $request;
+	}
+
+	/**
+	 * Load a URL via POST
+	 *
+	 * @param string   $url
+	 * @param string   $content
+	 * @param callable $function
+	 * @return Response
+	 */
+	public static function postUrl($url, $content = null, callable $function = null) {
+		$request = static::newRequest($url)
+		                 ->set(CURLOPT_POST, true); // post method
+		if ($content) {
+			$request->set(CURLOPT_POSTFIELDS, $content); // post content field
+		}
+		$response = $request->send();
+		if (!is_null($function)) {
+			$content = $response->getContent();
+			$error   = $response->getError()
+			                    ->getMessage();
+			call_user_func($function, $content, $error);
+		}
+		return $response;
+	}
+}