From a679750e03de9abaed8a323533b896d8a1f10d2b Mon Sep 17 00:00:00 2001
From: marcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 20 Aug 2008 11:29:08 +0000
Subject: Refs #273: Extra sanity checking on install

git-svn-id: https://code.elgg.org/elgg/trunk@2025 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/input.php | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'engine/lib/input.php')

diff --git a/engine/lib/input.php b/engine/lib/input.php
index 187242f8e..4b36393d8 100644
--- a/engine/lib/input.php
+++ b/engine/lib/input.php
@@ -63,6 +63,25 @@
 			$CONFIG->input = array();
 		$CONFIG->input[trim($variable)] = trim($value);
 			
+	}
+	
+	/**
+	 * Sanitise file paths for input, ensuring that they begin and end with slashes etc.
+	 *
+	 * @param string $path The path
+	 * @return string
+	 */
+	function sanitise_filepath($path)
+	{
+		// Convert to correct UNIX paths
+		$path = str_replace('\\', '/', $path);
+		
+		// Sort trailing slash
+		$path = trim($path);
+		$path = rtrim($path, " /");
+		$path = $path . "/";
+		
+		return $path;
 	}
 	
 	    /**
-- 
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