//added methode to write default content in index.php file && added check in translation pack import

classes/Tools.php

@@ -1683,6 +1683,47 @@ FileETag INode MTime Size
 
 		return true;
 	}
+	
+	public static function getDefaultIndexContent()
+	{
+		return '<?php
+/*
+* 2007-'.date('Y').' PrestaShop
+*
+* NOTICE OF LICENSE
+*
+* This source file is subject to the Open Software License (OSL 3.0)
+* that is bundled with this package in the file LICENSE.txt.
+* It is also available through the world-wide-web at this URL:
+* http://opensource.org/licenses/osl-3.0.php
+* If you did not receive a copy of the license and are unable to
+* obtain it through the world-wide-web, please send an email
+* to license@prestashop.com so we can send you a copy immediately.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please refer to http://www.prestashop.com for more information.
+*
+*  @author PrestaShop SA <contact@prestashop.com>
+*  @copyright  2007-'.date('Y').' PrestaShop SA
+*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*/
+
+header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
+header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
+
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+header("Location: ../");
+exit;
+';
+		
+	}
 
 	/**
 	 * jsonDecode convert json string to php array / object

controllers/admin/AdminTranslationsController.php

@@ -647,6 +647,10 @@ class AdminTranslationsControllerCore extends AdminController
 				{
 					foreach ($files_list as $file2check)
 					{
+						//don't validate index.php, will be overwrite when extract in translation directory
+						if (pathinfo($file2check['filename'], PATHINFO_BASENAME) == 'index.php')
+							continue;
+						
 						if (preg_match('@^[0-9a-z-_/\\\\]+\.php$@i', $file2check['filename']))
 						{
 							if (!AdminTranslationsController::checkTranslationFile(file_get_contents($sandbox.$file2check['filename'])))
@@ -655,7 +659,6 @@ class AdminTranslationsControllerCore extends AdminController
 						elseif (!preg_match('@^[0-9a-z-_/\\\\]+\.(html|tpl|txt)$@i', $file2check['filename']))
 							$this->errors[] = sprintf(Tools::displayError('Unidentified file found: %s'), $file2check['filename']);
 					}
-					
 				}
 				Tools::deleteDirectory($sandbox, true);
 				
@@ -664,6 +667,10 @@ class AdminTranslationsControllerCore extends AdminController
 
 				if ($gz->extract(_PS_TRANSLATIONS_DIR_.'../', false))
 				{
+					foreach ($files_list as $file2check)
+						if (pathinfo($file2check['filename'], PATHINFO_BASENAME) == 'index.php' && file_put_contents(_PS_TRANSLATIONS_DIR_.'../'.$file2check['filename'], Tools::getDefaultIndexContent()))
+							continue;
+
 					AdminTranslationsController::checkAndAddMailsFiles($iso_code, $files_list);
 					$this->checkAndAddThemesFiles($files_list, $themes_selected);
 					$tab_errors = AdminTranslationsController::addNewTabs($iso_code, $files_list);