From fe6ac16498b05d0f0c8ed7fda394273815d3d6da Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 23 May 2014 20:49:02 +0200
Subject: Stuff (WIP)

---
 inc/util.inc.php | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

(limited to 'inc/util.inc.php')

diff --git a/inc/util.inc.php b/inc/util.inc.php
index 4b974f6d..63680023 100644
--- a/inc/util.inc.php
+++ b/inc/util.inc.php
@@ -173,6 +173,49 @@ class Util
 		}
 		return sprintf("%.{$decimals}f ", $bytes / pow(1024, $factor)) . $sz[$factor];
 	}
+	
+	public static function sanitizeFilename($name)
+	{
+		return preg_replace('/[^a-zA-Z0-9_\-]+/', '_', $name);
+	}
+	
+	/**
+	 * Create human readable error description from a $_FILES[<..>]['error'] code
+	 * 
+	 * @param int $code the code to turn into an error description
+	 * @return string the error description
+	 */
+	public static function uploadErrorString($code)
+	{
+		switch ($code) {
+			case UPLOAD_ERR_INI_SIZE:
+				$message = "The uploaded file exceeds the upload_max_filesize directive in php.ini";
+				break;
+			case UPLOAD_ERR_FORM_SIZE:
+				$message = "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form";
+				break;
+			case UPLOAD_ERR_PARTIAL:
+				$message = "The uploaded file was only partially uploaded";
+				break;
+			case UPLOAD_ERR_NO_FILE:
+				$message = "No file was uploaded";
+				break;
+			case UPLOAD_ERR_NO_TMP_DIR:
+				$message = "Missing a temporary folder";
+				break;
+			case UPLOAD_ERR_CANT_WRITE:
+				$message = "Failed to write file to disk";
+				break;
+			case UPLOAD_ERR_EXTENSION:
+				$message = "File upload stopped by extension";
+				break;
+
+			default:
+				$message = "Unknown upload error";
+				break;
+		}
+		return $message;
+	}
 
 }
 
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