From 15cd2643c04a1441db3476aa5d09ff05e9c0d83f Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Wed, 1 Sep 2010 13:56:20 +0200
Subject: [PATCH] [HttpFoundation] added Request::getClientIp()

---
 .../Component/HttpFoundation/Request.php      | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index 55a8f2fd1a..340a5f815d 100755
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -262,6 +262,26 @@ class Request
         $this->session = $session;
     }
 
+    /**
+     * Returns the client IP address.
+     *
+     * @param  Boolean $proxy Whether the current request has been made behind a proxy or not
+     *
+     * @return string The client IP address
+     */
+    public function getClientIp($proxy = false)
+    {
+        if ($proxy) {
+            if ($this->server->has('HTTP_CLIENT_IP')) {
+                return $this->server->get('HTTP_CLIENT_IP');
+            } elseif ($this->server->has('HTTP_X_FORWARDED_FOR')) {
+                return $this->server->get('HTTP_X_FORWARDED_FOR');
+            }
+        }
+
+        return $this->server->get('REMOTE_ADDR');
+    }
+
     /**
      * Returns current script name.
      *