[FEATURE][INSTALL] Automatically create INSTALL_TOOL_ENABLE file

The INSTALL_TOOL_ENABLE file is automatically created, if a backend
administrator opens the Install Tool from the backend.

Change-Id: I10ccf35f787ffdfec7becfd182b13e986258fe4a
Resolves: #28621
Reviewed-on: http://review.typo3.org/3959
Reviewed-by: Chris Zepernick
Reviewed-by: Ingo Pfennigstorf
Tested-by: Ingo Pfennigstorf
Reviewed-by: Susanne Moog
Tested-by: Susanne Moog

typo3/sysext/install/ext_autoload.php

@@ -6,6 +6,7 @@
 $extPath = t3lib_extMgm::extPath('install');
 return array(
 	'tx_install_report_installstatus' => $extPath . 'report/class.tx_install_report_installstatus.php',
+	'tx_install_service_basicservice' => $extPath . 'Classes/Service/BasicService.php',
 	'tx_install_updates_base' => $extPath . 'Classes/Updates/Base.php'
 );
 

typo3/sysext/install/ext_tables.php

 <?php
 if (!defined ('TYPO3_MODE')) 	die ('Access denied.');
 
-if (TYPO3_MODE=='BE') {
+if (TYPO3_MODE === 'BE') {
+	t3lib_extMgm::addModulePath('tools_install',t3lib_extMgm::extPath ($_EXTKEY) . 'mod/');
 	t3lib_extMgm::addModule('tools', 'install', '', t3lib_extMgm::extPath($_EXTKEY) . 'mod/');
 
 	$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['reports']['tx_reports']['status']['providers']['typo3'][] = 'tx_install_report_InstallStatus';

typo3/sysext/install/mod/conf.php

@@ -5,8 +5,9 @@ $BACK_PATH='../../../';
 $MLANG['default']['tabs_images']['tab'] = 'install.gif';
 $MLANG['default']['ll_ref']='LLL:EXT:install/mod/locallang_mod.xml';
 
-$MCONF['script']=$BACK_PATH.'install/index.php';
-$MCONF['access']='admin';
 $MCONF['name']='tools_install';
+$MCONF['script']='_DISPATCH';
+
+$MCONF['access']='admin';
 $MCONF['workspaces']='online';
 ?>
\ No newline at end of file

typo3/sysext/install/mod/index.php

+<?php
+/***************************************************************
+*  Copyright notice
+*
+*  (c) 2011 Steffen Gebert <steffen.gebert@typo3.org>
+*  All rights reserved
+*
+*  This script is part of the TYPO3 project. The TYPO3 project is
+*  free software; you can redistribute it and/or modify
+*  it under the terms of the GNU General Public License as published by
+*  the Free Software Foundation; either version 2 of the License, or
+*  (at your option) any later version.
+*
+*  The GNU General Public License can be found at
+*  http://www.gnu.org/copyleft/gpl.html.
+*
+*  This script 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 General Public License for more details.
+*
+*  This copyright notice MUST APPEAR in all copies of the script!
+***************************************************************/
+
+	// This checks permissions and exits if the users has no permission for entry.
+$BE_USER->modAccess($MCONF, 1);
+
+
+/**
+ * Backend module of the 'install' extension, which automatically enables the
+ * Install Tool, if it's accessed by an authenticated Backend user.
+ *
+ * @author Steffen Gebert <steffen.gebert@typo3.org>
+ * @package TYPO3
+ * @subpackage install
+ */
+class tx_install_mod1 extends t3lib_SCbase {
+
+	/**
+	 * Entry point for the backend module
+	 *
+	 * @throws t3lib_error_Exception
+	 * @return void
+	 */
+	public function main() {
+		if (!$GLOBALS['BE_USER']->user['admin']) {
+			throw new t3lib_error_Exception('Access denied', 1306866845);
+		}
+
+		if (!Tx_Install_Service_BasicService::checkInstallToolEnableFile()) {
+			Tx_Install_Service_BasicService::createInstallToolEnableFile();
+		}
+		t3lib_utility_Http::redirect('install/');
+	}
+}
+
+
+if (defined('TYPO3_MODE') && isset($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/install/mod/index.php'])) {
+	include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/install/mod/index.php']);
+}
+
+/** @var $SOBE tx_install_mod1 */
+$SOBE = t3lib_div::makeInstance('tx_install_mod1');
+$SOBE->init();
+
+$SOBE->main();
+
+?>
\ No newline at end of file