code beautifications

php/download.php

@@ -1,9 +1,30 @@
 <?php
-
+/**
+ * download.php, zarafa contact to vcf im/exporter
+ *
+ * Author: Christoph Haas <christoph.h@sprinternet.at>
+ * Copyright (C) 2012-2016 Christoph Haas
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
 class DownloadHandler
 {
 
-	public static function doDownload() {
+	public static function doDownload()
+	{
 		if (isset($_GET["token"])) {
 			$token = $_GET["token"];
 		} else {
@@ -23,7 +44,7 @@ class DownloadHandler
 
 		$file = PLUGIN_CONTACTIMPORTER_TMP_UPLOAD . "vcf_" . $token . ".vcf";
 
-		if(!file_exists($file)) { // invalid token
+		if (!file_exists($file)) { // invalid token
 			return false;
 		}