From 99ce7ba1df52334f11c6b97c3f24d0ed31c8f6d0 Mon Sep 17 00:00:00 2001
From: Bart Visscher <bartv@thisnet.nl>
Date: Mon, 6 Aug 2012 22:16:45 +0200
Subject: Move serverHost and serverProtocol functions to OC_Request

---
 lib/request.php | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

(limited to 'lib/request.php')

diff --git a/lib/request.php b/lib/request.php
index 0b5aaf8ef30..cb93a088172 100644
--- a/lib/request.php
+++ b/lib/request.php
@@ -7,6 +7,51 @@
  */
 
 class OC_Request {
+	/**
+	 * @brief Returns the server host
+	 * @returns the server host
+	 *
+	 * Returns the server host, even if the website uses one or more
+	 * reverse proxies
+	 */
+	public static function serverHost() {
+		if(OC::$CLI){
+			return 'localhost';
+		}
+		if (isset($_SERVER['HTTP_X_FORWARDED_HOST'])) {
+			if (strpos($_SERVER['HTTP_X_FORWARDED_HOST'], ",") !== false) {
+				$host = trim(array_pop(explode(",", $_SERVER['HTTP_X_FORWARDED_HOST'])));
+			}
+			else{
+				$host=$_SERVER['HTTP_X_FORWARDED_HOST'];
+			}
+		}
+		else{
+			$host = $_SERVER['HTTP_HOST'];
+		}
+		return $host;
+	}
+
+
+	/**
+	* @brief Returns the server protocol
+	* @returns the server protocol
+	*
+	* Returns the server protocol. It respects reverse proxy servers and load balancers
+	*/
+	public static function serverProtocol() {
+		if (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
+			$proto = strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']);
+		}else{
+			if(isset($_SERVER['HTTPS']) and !empty($_SERVER['HTTPS']) and ($_SERVER['HTTPS']!='off')) {
+				$proto = 'https';
+			}else{
+				$proto = 'http';
+			}
+		}
+		return($proto);
+	}
+
 	static public function isNoCache() {
 		if (!isset($_SERVER['HTTP_CACHE_CONTROL'])) {
 			return false;
-- 
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