seperate mimetype guessing from filename

lib/helper.php

@@ -364,19 +364,12 @@ class OC_Helper {
 	}
 
 	/**
-	 * get the mimetype form a local file
-	 * @param string $path
+	 * Try to guess the mimetype based on filename
+	 *
+	 * @param string $name
 	 * @return string
-	 * does NOT work for ownClouds filesystem, use OC_FileSystem::getMimeType instead
 	 */
-	static function getMimeType($path) {
-		$isWrapped=(strpos($path, '://')!==false) and (substr($path, 0, 7)=='file://');
-
-		if (@is_dir($path)) {
-			// directories are easy
-			return "httpd/unix-directory";
-		}
-
+	static public function getFileNameMimeType($name){
 		if(strpos($path, '.')) {
 			//try to guess the type by the file extension
 			if(!self::$mimetypes || self::$mimetypes != include 'mimetypes.list.php') {
@@ -388,6 +381,23 @@ class OC_Helper {
 		}else{
 			$mimeType='application/octet-stream';
 		}
+	}
+
+	/**
+	 * get the mimetype form a local file
+	 * @param string $path
+	 * @return string
+	 * does NOT work for ownClouds filesystem, use OC_FileSystem::getMimeType instead
+	 */
+	static function getMimeType($path) {
+		$isWrapped=(strpos($path, '://')!==false) and (substr($path, 0, 7)=='file://');
+
+		if (@is_dir($path)) {
+			// directories are easy
+			return "httpd/unix-directory";
+		}
+
+		$mimeType = self::getFileNameMimeType($path);
 
 		if($mimeType=='application/octet-stream' and function_exists('finfo_open')
 			and function_exists('finfo_file') and $finfo=finfo_open(FILEINFO_MIME)) {
@@ -609,7 +619,7 @@ class OC_Helper {
 	}
 
 	/**
-	 * remove all files in PHP /oc-noclean temp dir 
+	 * remove all files in PHP /oc-noclean temp dir
 	 */
 	public static function cleanTmpNoClean() {
 		$tmpDirNoCleanFile=get_temp_dir().'/oc-noclean/';