/typo3/mod/tools/em/class.em_index.php

<?php
/***************************************************************
*  Copyright notice
*
*  (c) 1999-2010 Kasper Skaarhoj (kasperYYYY@typo3.com)
*  (c) 2005-2010 Karsten Dambekalns <karsten@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.
*  A copy is found in the textfile GPL.txt and important notices to the license
*  from the author is found in LICENSE.txt distributed with these scripts.
*
*
*  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!
***************************************************************/
/**
 * Module: Extension manager
 *
 * $Id: class.em_index.php 8429 2010-07-28 09:19:00Z ohader $
 *
 * @author	Kasper Skaarhoj <kasperYYYY@typo3.com>
 * @author	Karsten Dambekalns <karsten@typo3.org>
 */
/**
 * [CLASS/FUNCTION INDEX of SCRIPT]
 *
 *
 *
 *  194: class SC_mod_tools_em_index extends t3lib_SCbase
 *
 *              SECTION: Standard module initialization
 *  337:     function init()
 *  417:     function handleExternalFunctionValue($MM_key='function', $MS_value=NULL)
 *  431:     function menuConfig()
 *  508:     function main()
 *  584:     function printContent()
 *
 *              SECTION: Function Menu Applications
 *  609:     function extensionList_loaded()
 *  664:     function extensionList_installed()
 *  736:     function extensionList_import()
 *  903:     function alterSettings()
 *
 *              SECTION: Command Applications (triggered by GET var)
 * 1005:     function importExtInfo($extKey, $version='')
 * 1062:     function fetchMetaData($metaType)
 * 1125:     function getMirrorURL()
 * 1158:     function installExtension($extKey, $version=null, $mode=EM_INSTALL_VERSION_MIN)
 * 1279:     function importExtFromRep($extKey,$version,$loc,$uploadFlag=0,$dontDelete=0,$directInput='')
 * 1425:     function showExtDetails($extKey)
 *
 *              SECTION: Application Sub-functions (HTML parts)
 * 1737:     function updatesForm($extKey,$extInfo,$notSilent=0,$script='',$addFields='')
 * 1768:     function extDumpTables($extKey,$extInfo)
 * 1835:     function getFileListOfExtension($extKey,$conf)
 * 1889:     function extDelete($extKey,$extInfo)
 * 1920:     function extUpdateEMCONF($extKey,$extInfo)
 * 1940:     function extBackup($extKey,$extInfo)
 * 1987:     function extBackup_dumpDataTablesLine($tablesArray,$extKey)
 * 2015:     function extInformationArray($extKey,$extInfo,$remote=0)
 * 2097:     function extInformationArray_dbReq($techInfo,$tableHeader=0)
 * 2110:     function extInformationArray_dbInst($dbInst,$current)
 * 2129:     function getRepositoryUploadForm($extKey,$extInfo)
 *
 *              SECTION: Extension list rendering
 * 2190:     function extensionListRowHeader($trAttrib,$cells,$import=0)
 * 2251:     function extensionListRow($extKey,$extInfo,$cells,$bgColorClass='',$inst_list=array(),$import=0,$altLinkUrl='')
 *
 *              SECTION: Output helper functions
 * 2367:     function wrapEmail($str,$email)
 * 2380:     function helpCol($key)
 * 2396:     function labelInfo($str)
 * 2408:     function extensionTitleIconHeader($extKey,$extInfo,$align='top')
 * 2423:     function removeButton()
 * 2432:     function installButton()
 * 2441:     function noImportMsg()
 * 2454:     function depToString($dep,$type='depends')
 * 2473:     function stringToDep($dep)
 *
 *              SECTION: Read information about all available extensions
 * 2503:     function getInstalledExtensions()
 * 2530:     function getInstExtList($path,&$list,&$cat,$type)
 * 2561:     function fixEMCONF($emConf)
 * 2600:     function splitVersionRange($ver)
 * 2616:     function prepareImportExtList()
 * 2660:     function setCat(&$cat,$listArrayPart,$extKey)
 *
 *              SECTION: Extension analyzing (detailed information)
 * 2710:     function makeDetailedExtensionAnalysis($extKey,$extInfo,$validity=0)
 * 2892:     function getClassIndexLocallangFiles($absPath,$table_class_prefix,$extKey)
 * 2962:     function modConfFileAnalysis($confFilePath)
 * 2990:     function serverExtensionMD5Array($extKey,$conf)
 * 3015:     function findMD5ArrayDiff($current,$past)
 *
 *              SECTION: File system operations
 * 3047:     function createDirsInPath($dirs,$extDirPath)
 * 3065:     function removeExtDirectory($removePath,$removeContentOnly=0)
 * 3128:     function clearAndMakeExtensionDir($importedData,$type,$dontDelete=0)
 * 3182:     function removeCacheFiles()
 * 3192:     function extractDirsFromFileList($files)
 * 3218:     function getExtPath($extKey,$type)
 *
 *              SECTION: Writing to "conf.php" and "localconf.php" files
 * 3252:     function writeTYPO3_MOD_PATH($confFilePath,$type,$mP)
 * 3289:     function writeNewExtensionList($newExtList)
 * 3312:     function writeTsStyleConfig($extKey,$arr)
 * 3334:     function updateLocalEM_CONF($extKey,$extInfo)
 *
 *              SECTION: Compiling upload information, emconf-file etc.
 * 3376:     function construct_ext_emconf_file($extKey,$EM_CONF)
 * 3407:     function arrayToCode($array, $level=0)
 * 3433:     function makeUploadArray($extKey,$conf)
 * 3502:     function getSerializedLocalLang($file,$content)
 *
 *              SECTION: Managing dependencies, conflicts, priorities, load order of extension keys
 * 3538:     function addExtToList($extKey,$instExtInfo)
 * 3569:     function checkDependencies($extKey, $conf, $instExtInfo)
 * 3709:     function removeExtFromList($extKey,$instExtInfo)
 * 3746:     function removeRequiredExtFromListArr($listArr)
 * 3761:     function managesPriorities($listArr,$instExtInfo)
 *
 *              SECTION: System Update functions (based on extension requirements)
 * 3813:     function checkClearCache($extInfo)
 * 3840:     function checkUploadFolder($extKey,$extInfo)
 * 3925:     function checkDBupdates($extKey,$extInfo,$infoOnly=0)
 * 4022:     function forceDBupdates($extKey, $extInfo)
 * 4080:     function tsStyleConfigForm($extKey,$extInfo,$output=0,$script='',$addFields='')
 *
 *              SECTION: Dumping database (MySQL compliant)
 * 4175:     function dumpTableAndFieldStructure($arr)
 * 4200:     function dumpStaticTables($tableList)
 * 4229:     function dumpHeader()
 * 4246:     function dumpTableHeader($table,$fieldKeyInfo,$dropTableIfExists=0)
 * 4288:     function dumpTableContent($table,$fieldStructure)
 * 4323:     function getTableAndFieldStructure($parts)
 *
 *              SECTION: TER Communication functions
 * 4373:     function uploadExtensionToTER($em)
 *
 *              SECTION: Various helper functions
 * 4411:     function listOrderTitle($listOrder,$key)
 * 4436:     function makeVersion($v,$mode)
 * 4448:     function renderVersion($v,$raise='')
 * 4485:     function ulFolder($extKey)
 * 4494:     function importAtAll()
 * 4505:     function importAsType($type,$lockType='')
 * 4527:     function deleteAsType($type)
 * 4548:     function versionDifference($v1,$v2,$div=1)
 * 4560:     function first_in_array($str,$array,$caseInsensitive=FALSE)
 * 4578:     function includeEMCONF($path,$_EXTKEY)
 * 4593:     function searchExtension($extKey,$row)
 *
 * TOTAL FUNCTIONS: 90
 * (This index is automatically created/updated by the extension "extdeveval")
 *
 */

	// Include classes needed:
require_once('class.em_xmlhandler.php');
require_once('class.em_terconnection.php');
require_once('class.em_unzip.php');

$GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_mod_tools_em.xml');

	// from tx_ter by Robert Lemke
define('TX_TER_RESULT_EXTENSIONSUCCESSFULLYUPLOADED', '10504');

define('EM_INSTALL_VERSION_MIN', 1);
define('EM_INSTALL_VERSION_MAX', 2);
define('EM_INSTALL_VERSION_STRICT', 3);

/**
 * Module: Extension manager
 *
 * @author	Kasper Skaarhoj <kasperYYYY@typo3.com>
 * @author	Karsten Dambekalns <karsten@typo3.org>
 * @package TYPO3
 * @subpackage core
 */
class SC_mod_tools_em_index extends t3lib_SCbase {

		// Internal, static:
	var $versionDiffFactor = 1;		// This means that version difference testing for import is detected for sub-versions only, not dev-versions. Default: 1000
	var $systemInstall = 0;				// If "1" then installs in the sysext directory is allowed. Default: 0
	var $requiredExt = '';				// List of required extension (from TYPO3_CONF_VARS)
	var $maxUploadSize = 31457280;		// Max size in bytes of extension upload to repository
	var $kbMax = 500;					// Max size in kilobytes for files to be edited.
	var $doPrintContent = true;			// If set (default), the function printContent() will echo the content which was collected in $this->content. You can set this to FALSE in order to echo content from elsewhere, fx. when using outbut buffering
	var $listingLimit = 500;		// List that many extension maximally at one time (fixing memory problems)
	var $listingLimitAuthor = 250;		// List that many extension maximally at one time (fixing memory problems)

	/**
	 * Internal variable loaded with extension categories (for display/listing). Should reflect $categories above
	 * Dynamic var.
	 */
	var $defaultCategories = Array(
		'cat' => Array (
			'be' => array(),
			'module' => array(),
			'fe' => array(),
			'plugin' => array(),
			'misc' => array(),
			'services' => array(),
			'templates' => array(),
			'example' => array(),
			'doc' => array()
		)
	);

	var $categories = array();			// Extension Categories (static var); see init()

	var $states = array();				// Extension States; see init()

	/**
	 * Colors for extension states
	 */
	var $stateColors = Array (
		'alpha' => '#d12438',
		'beta' => '#97b17e',
		'stable' => '#3bb65c',
		'experimental' => '#007eba',
		'test' => '#979797',
		'obsolete' => '#000000',
		'excludeFromUpdates' => '#cf7307'
	);

	/**
	 * "TYPE" information; labels, paths, description etc. See init()
	 */
	var $typeLabels = array();
	var $typeDescr = array();
	var $typePaths = Array();			// Also static, set in init()
	var $typeBackPaths = Array();		// Also static, set in init()

	var $typeRelPaths = Array (
		'S' => 'sysext/',
		'G' => 'ext/',
		'L' => '../typo3conf/ext/',
	);

	var $detailCols = Array (
		0 => 2,
		1 => 5,
		2 => 6,
		3 => 6,
		4 => 4,
		5 => 1
	);

	var $fe_user = array(
		'username' => '',
		'password' => '',
	);

	var $privacyNotice;					// Set in init()
	var $securityHint;					// Set in init()
	var $editTextExtensions = 'html,htm,txt,css,tmpl,inc,php,sql,conf,cnf,pl,pm,sh,xml,ChangeLog';
	var $nameSpaceExceptions = 'beuser_tracking,design_components,impexp,static_file_edit,cms,freesite,quickhelp,classic_welcome,indexed_search,sys_action,sys_workflows,sys_todos,sys_messages,direct_mail,sys_stat,tt_address,tt_board,tt_calender,tt_guest,tt_links,tt_news,tt_poll,tt_rating,tt_products,setup,taskcenter,tsconfig_help,context_help,sys_note,tstemplate,lowlevel,install,belog,beuser,phpmyadmin,aboutmodules,imagelist,setup,taskcenter,sys_notepad,viewpage,adodb';





		// Default variables for backend modules
	var $MCONF = array();				// Module configuration
	var $MOD_MENU = array();			// Module menu items
	var $MOD_SETTINGS = array();		// Module session settings
	/**
	 * Document Template Object
	 *
	 * @var noDoc
	 */
	var $doc;
	var $content;						// Accumulated content

	var $inst_keys = array();			// Storage of installed extensions
	var $gzcompress = 0;				// Is set true, if system support compression.

	/**
	 * instance of TER connection handler
	 *
	 * @var SC_mod_tools_em_terconnection
	 */
	var $terConnection;

	/**
	 * XML handling class for the TYPO3 Extension Manager
	 *
	 * @var SC_mod_tools_em_xmlhandler
	 */
	var $xmlhandler;
	var $JScode;						// JavaScript code to be forwared to $this->doc->JScode

		// GPvars:
	var $CMD = array();					// CMD array
	var $listRemote;					// If set, connects to remote repository
	var $lookUpStr;						// Search string when listing local extensions




	/*********************************
	*
	* Standard module initialization
	*
	*********************************/

	/**
	 * Standard init function of a module.
	 *
	 * @return	void
	 */
	function init()	{
		global $BE_USER,$LANG,$BACK_PATH,$TYPO3_CONF_VARS;

		/**
	 	 * Extension Categories (static var)
	 	 * Content must be redundant with the same internal variable as in class.tx_extrep.php!
	 	 */
		$this->categories = array(
			'be' => $GLOBALS['LANG']->getLL('category_BE'),
			'module' => $GLOBALS['LANG']->getLL('category_BE_modules'),
			'fe' => $GLOBALS['LANG']->getLL('category_FE'),
			'plugin' => $GLOBALS['LANG']->getLL('category_FE_plugins'),
			'misc' => $GLOBALS['LANG']->getLL('category_miscellanous'),
			'services' => $GLOBALS['LANG']->getLL('category_services'),
			'templates' => $GLOBALS['LANG']->getLL('category_templates'),
			'example' => $GLOBALS['LANG']->getLL('category_examples'),
			'doc' => $GLOBALS['LANG']->getLL('category_documentation')
		);

		/**
	 	 * Extension States
	 	 * Content must be redundant with the same internal variable as in class.tx_extrep.php!
	 	 */
		$this->states = array(
			'alpha' => $GLOBALS['LANG']->getLL('state_alpha'),
			'beta' => $GLOBALS['LANG']->getLL('state_beta'),
			'stable' => $GLOBALS['LANG']->getLL('state_stable'),
			'experimental' => $GLOBALS['LANG']->getLL('state_experimental'),
			'test' => $GLOBALS['LANG']->getLL('state_test'),
			'obsolete' => $GLOBALS['LANG']->getLL('state_obsolete'),
			'excludeFromUpdates' => $GLOBALS['LANG']->getLL('state_exclude_from_updates')
		);

		/**
		 * "TYPE" information; labels, paths, description etc.
		 */
		$this->typeLabels = array(
			'S' => $GLOBALS['LANG']->getLL('type_system'),
			'G' => $GLOBALS['LANG']->getLL('type_global'),
			'L' => $GLOBALS['LANG']->getLL('type_local'),
		);
		$this->typeDescr = array(
			'S' => $GLOBALS['LANG']->getLL('descr_system'),
			'G' => $GLOBALS['LANG']->getLL('descr_global'),
			'L' => $GLOBALS['LANG']->getLL('descr_local'),
		);

			// Setting paths of install scopes:
		$this->typePaths = Array (
			'S' => TYPO3_mainDir.'sysext/',
			'G' => TYPO3_mainDir.'ext/',
			'L' => 'typo3conf/ext/'
		);
		$this->typeBackPaths = Array (
			'S' => '../../../',
			'G' => '../../../',
			'L' => '../../../../'.TYPO3_mainDir
		);

		$this->privacyNotice = $GLOBALS['LANG']->getLL('privacy_notice');
		$securityMessage = $GLOBALS['LANG']->getLL('security_warning_extensions') .
			'<br /><br />' . sprintf($GLOBALS['LANG']->getLL('security_descr'),
				'<a href="http://typo3.org/teams/security/" target="_blank">', '</a>'
			);
		$flashMessage = t3lib_div::makeInstance(
			't3lib_FlashMessage',
			$securityMessage,
			$GLOBALS['LANG']->getLL('security_header'),
			t3lib_FlashMessage::INFO
		);
		$this->securityHint = $flashMessage->render();

		$this->excludeForPackaging = $GLOBALS['TYPO3_CONF_VARS']['EXT']['excludeForPackaging'];

			// Setting module configuration:
		$this->MCONF = $GLOBALS['MCONF'];

			// Setting GPvars:
		$this->CMD = is_array(t3lib_div::_GP('CMD')) ? t3lib_div::_GP('CMD') : array();
		$this->lookUpStr = trim(t3lib_div::_GP('lookUp'));
		$this->listRemote = t3lib_div::_GP('ter_connect');
		$this->listRemote_search = trim(t3lib_div::_GP('ter_search'));


			// Configure menu
		$this->menuConfig();

			// Setting internal static:
		if ($TYPO3_CONF_VARS['EXT']['allowSystemInstall'])	$this->systemInstall = 1;
		$this->requiredExt = t3lib_div::trimExplode(',',$TYPO3_CONF_VARS['EXT']['requiredExt'],1);


			// Initialize helper object
		$this->terConnection = t3lib_div::makeInstance('SC_mod_tools_em_terconnection');
		$this->terConnection->emObj = $this;
		$this->terConnection->wsdlURL = $TYPO3_CONF_VARS['EXT']['em_wsdlURL'];
		$this->xmlhandler = t3lib_div::makeInstance('SC_mod_tools_em_xmlhandler');
		$this->xmlhandler->emObj = $this;
		$this->xmlhandler->useObsolete = $this->MOD_SETTINGS['display_obsolete'];

			// Initialize Document Template object:
		$this->doc = t3lib_div::makeInstance('template');
		$this->doc->backPath = $BACK_PATH;
		$this->doc->setModuleTemplate('templates/em_index.html');

			// JavaScript
		$this->doc->JScode = $this->doc->wrapScriptTags('
			script_ended = 0;
			function jumpToUrl(URL)	{	//
				window.location.href = URL;
			}
		');

			// Reload left frame menu
		if ($this->CMD['refreshMenu']) {
			$this->doc->JScode .= $this->doc->wrapScriptTags('
				if(top.refreshMenu) {
					top.refreshMenu();
				} else {
					top.TYPO3ModuleMenu.refreshMenu();
				}
			');
		}


			// Descriptions:
		$this->descrTable = '_MOD_'.$this->MCONF['name'];
		if ($BE_USER->uc['edit_showFieldHelp'])	{
			$LANG->loadSingleTableDescription($this->descrTable);
		}

			// Setting username/password etc. for upload-user:
		$this->fe_user['username'] = $this->MOD_SETTINGS['fe_u'];
		$this->fe_user['password'] = $this->MOD_SETTINGS['fe_p'];
		parent::init();
		$this->handleExternalFunctionValue('singleDetails');
	}

	/**
	 * This function is a copy of the same function in t3lib_SCbase with one modification:
	 * In contrast to t3lib_SCbase::handleExternalFunctionValue() this function merges the $this->extClassConf array
	 * instead of overwriting it. That was necessary for including the Kickstarter as a submodule into the 'singleDetails'
	 * selectorbox as well as in the main 'function' selectorbox.
	 *
	 * @param	string		Mod-setting array key
	 * @param	string		Mod setting value, overriding the one in the key
	 * @return	void
	 * @see t3lib_SCbase::handleExternalFunctionValue()
	 */
	function handleExternalFunctionValue($MM_key='function', $MS_value=NULL)	{
		$MS_value = is_null($MS_value) ? $this->MOD_SETTINGS[$MM_key] : $MS_value;
		$externalItems = $this->getExternalItemConfig($this->MCONF['name'],$MM_key,$MS_value);
		if (is_array($externalItems))	$this->extClassConf = array_merge($externalItems,is_array($this->extClassConf)?$this->extClassConf:array());
		if (is_array($this->extClassConf) && $this->extClassConf['path'])	{
			$this->include_once[]=$this->extClassConf['path'];
		}
	}

	/**
	 * Configuration of which mod-menu items can be used
	 *
	 * @return	void
	 */
	function menuConfig()	{
		global $BE_USER, $TYPO3_CONF_VARS;

		// MENU-ITEMS:
		$this->MOD_MENU = array(
			'function' => array(
				0 => $GLOBALS['LANG']->getLL('menu_loaded_extensions'),
				1 => $GLOBALS['LANG']->getLL('menu_install_extensions'),
				2 => $GLOBALS['LANG']->getLL('menu_import_extensions'),
				4 => $GLOBALS['LANG']->getLL('menu_translation_handling'),
				3 => $GLOBALS['LANG']->getLL('menu_settings'),
				5 => $GLOBALS['LANG']->getLL('menu_extension_updates'),
			),
			'listOrder' => array(
				'cat' => $GLOBALS['LANG']->getLL('list_order_category'),
				'author_company' => $GLOBALS['LANG']->getLL('list_order_author'),
				'state' => $GLOBALS['LANG']->getLL('list_order_state'),
				'type' => $GLOBALS['LANG']->getLL('list_order_type'),
			),
			'display_details' => array(
				1 => $GLOBALS['LANG']->getLL('show_details'),
				0 => $GLOBALS['LANG']->getLL('show_description'),
				2 => $GLOBALS['LANG']->getLL('show_more_details'),

				3 => $GLOBALS['LANG']->getLL('show_technical'),
				4 => $GLOBALS['LANG']->getLL('show_validating'),
				5 => $GLOBALS['LANG']->getLL('show_changed'),
			),
			'display_shy' => '',
			'display_own' => '',
			'display_obsolete' => '',
			'display_installed' => '',
			'display_files' => '',


			'singleDetails' => array(
				'info' => $GLOBALS['LANG']->getLL('details_info'),
				'edit' => $GLOBALS['LANG']->getLL('details_edit'),
				'backup' => $GLOBALS['LANG']->getLL('details_backup_delete'),
				'dump' => $GLOBALS['LANG']->getLL('details_dump_db'),
				'upload' => $GLOBALS['LANG']->getLL('details_upload'),
				'updateModule' => $GLOBALS['LANG']->getLL('details_update'),
			),
			'fe_u' => '',
			'fe_p' => '',

			'mirrorListURL' => '',
			'rep_url' => '',
			'extMirrors' => '',
			'selectedMirror' => '',

			'selectedLanguages' => ''
		);

		$this->MOD_MENU['singleDetails'] = $this->mergeExternalItems($this->MCONF['name'],'singleDetails',$this->MOD_MENU['singleDetails']);

		// page/be_user TSconfig settings and blinding of menu-items
		if (!$BE_USER->getTSConfigVal('mod.'.$this->MCONF['name'].'.allowTVlisting'))	{
			unset($this->MOD_MENU['display_details'][3]);
			unset($this->MOD_MENU['display_details'][4]);
			unset($this->MOD_MENU['display_details'][5]);
		}

		// CLEANSE SETTINGS
		$this->MOD_SETTINGS = t3lib_BEfunc::getModuleData($this->MOD_MENU, t3lib_div::_GP('SET'), $this->MCONF['name']);

		if ($this->MOD_SETTINGS['function']==2)	{
			// If listing from online repository, certain items are removed though:
			unset($this->MOD_MENU['listOrder']['type']);
			unset($this->MOD_MENU['display_details'][2]);
			unset($this->MOD_MENU['display_details'][3]);
			unset($this->MOD_MENU['display_details'][4]);
			unset($this->MOD_MENU['display_details'][5]);
			$this->MOD_SETTINGS = t3lib_BEfunc::getModuleData($this->MOD_MENU, t3lib_div::_GP('SET'), $this->MCONF['name']);
		}
		parent::menuConfig();
	}

	/**
	 * Main function for Extension Manager module.
	 *
	 * @return	void
	 */
	function main()	{
		global $BE_USER,$LANG,$TYPO3_CONF_VARS;

		if (empty($this->MOD_SETTINGS['mirrorListURL'])) $this->MOD_SETTINGS['mirrorListURL'] = $TYPO3_CONF_VARS['EXT']['em_mirrorListURL'];

		// Starting page:
		$this->content.=$this->doc->header($GLOBALS['LANG']->getLL('header'));
		$this->content.=$this->doc->spacer(5);

		// Command given which is executed regardless of main menu setting:
		if ($this->CMD['showExt'])	{	// Show details for a single extension
			$this->showExtDetails($this->CMD['showExt']);
		} elseif ($this->CMD['requestInstallExtensions'])	{	// Show details for a single extension
				$this->requestInstallExtensions($this->CMD['requestInstallExtensions']);
		} elseif ($this->CMD['importExt'] || $this->CMD['uploadExt'])	{	// Imports an extension from online rep.
			$err = $this->importExtFromRep($this->CMD['importExt'],$this->CMD['extVersion'],$this->CMD['loc'],$this->CMD['uploadExt']);
			if ($err)	{
				$this->content.=$this->doc->section('',$GLOBALS['TBE_TEMPLATE']->rfw($err));
			}
			if(!$err && $this->CMD['importExt']) {
				$this->installTranslationsForExtension($this->CMD['importExt'], $this->getMirrorURL());
			}
		} elseif ($this->CMD['importExtInfo'])	{	// Gets detailed information of an extension from online rep.
			$this->importExtInfo($this->CMD['importExtInfo'],$this->CMD['extVersion']);
		} else {	// No command - we show what the menu setting tells us:
			if (t3lib_div::inList('0,1,2',$this->MOD_SETTINGS['function']))	{
				$menu .= '&nbsp;' . $GLOBALS['LANG']->getLL('group_by') . '&nbsp;' . t3lib_BEfunc::getFuncMenu(0, 'SET[listOrder]', $this->MOD_SETTINGS['listOrder'], $this->MOD_MENU['listOrder']) .
				'&nbsp;&nbsp;' . $GLOBALS['LANG']->getLL('show') . '&nbsp;' . t3lib_BEfunc::getFuncMenu(0, 'SET[display_details]', $this->MOD_SETTINGS['display_details'], $this->MOD_MENU['display_details']) . '<br />';
			}
			if (t3lib_div::inList('0,1,5',$this->MOD_SETTINGS['function']))	{
				$menu.='<label for="checkDisplayShy">' . $GLOBALS['LANG']->getLL('display_shy') . '</label>&nbsp;&nbsp;' . t3lib_BEfunc::getFuncCheck(0, 'SET[display_shy]', $this->MOD_SETTINGS['display_shy'], '', '', 'id="checkDisplayShy"');
			}
			if (t3lib_div::inList('2',$this->MOD_SETTINGS['function']) && strlen($this->fe_user['username']))	{
				$menu.='<label for="checkDisplayOwn">' . $GLOBALS['LANG']->getLL('only_my_ext') . '</label>&nbsp;&nbsp;' . t3lib_BEfunc::getFuncCheck(0, 'SET[display_own]', $this->MOD_SETTINGS['display_own'], '', '', 'id="checkDisplayOwn"');
			}
			if (t3lib_div::inList('0,1,2',$this->MOD_SETTINGS['function']))	{
				$menu.='&nbsp;&nbsp;<label for="checkDisplayObsolete">' . $GLOBALS['LANG']->getLL('show_obsolete') . '</label>&nbsp;&nbsp;' . t3lib_BEfunc::getFuncCheck(0, 'SET[display_obsolete]', $this->MOD_SETTINGS['display_obsolete'], '', '', 'id="checkDisplayObsolete"');
			}

			$this->content.=$this->doc->section('','<form action="index.php" method="post" name="pageform"><span class="nobr">' . ($menu ? $menu : '&nbsp;') . '</span></form>');
			$this->content.=$this->doc->spacer(10);

			switch((string)$this->MOD_SETTINGS['function'])	{
				case '0':
					// Lists loaded (installed) extensions
					$this->extensionList_loaded();
					break;
				case '1':
					// Lists the installed (available) extensions
					$this->extensionList_installed();
					break;
				case '2':
					// Lists the extensions available from online rep.
					$this->extensionList_import();
					break;
				case '3':
					// Shows the settings screen
					$this->alterSettings();
					break;
				case '4':
					// Allows to set the translation preferences and check the status
					$this->translationHandling();
					break;
				case '5':
					// Shows a list of extensions with updates in TER
					$this->checkForUpdates();
					break;
				default:
					$this->extObjContent();
					break;
			}
		}

		// closing any form?
		$formTags = substr_count($this->content, '<form') + substr_count($this->content, '</form');
		if ($formTags % 2 > 0) {
			$this->content .= '</form>';
		}

			// Setting up the buttons and markers for docheader
		$docHeaderButtons = $this->getButtons();
		$markers = array(
			'CSH' => $docHeaderButtons['csh'],
			'FUNC_MENU' => $this->getFuncMenu(),
			'CONTENT' => $this->content
		);

			// Build the <body> for the module
		$this->content = $this->doc->startPage('Extension Manager');
		$this->content.= $this->doc->moduleBody($this->pageinfo, $docHeaderButtons, $markers);
		$this->content.= $this->doc->endPage();
		$this->content = $this->doc->insertStylesAndJS($this->content);
	}

	/**
	 * Print module content. Called as last thing in the global scope.
	 *
	 * @return	void
	 */
	function printContent()	{
		if ($this->doPrintContent) {
			echo $this->content;
		}
	}

	/**
	 * Create the function menu
	 *
	 * @return	string	HTML of the function menu
	 */
	protected function getFuncMenu() {
		$funcMenu = '';
		if(!$this->CMD['showExt'] && !$this->CMD['requestInstallExtensions'] && !$this->CMD['importExt'] && !$this->CMD['uploadExt'] && !$this->CMD['importExtInfo']) {
			$funcMenu = t3lib_BEfunc::getFuncMenu(0, 'SET[function]', $this->MOD_SETTINGS['function'], $this->MOD_MENU['function']);
		} elseif($this->CMD['showExt'] && (!$this->CMD['standAlone'] && !t3lib_div::_GP('standAlone'))) {
			$funcMenu = t3lib_BEfunc::getFuncMenu(0, 'SET[singleDetails]', $this->MOD_SETTINGS['singleDetails'], $this->MOD_MENU['singleDetails'], '', '&CMD[showExt]=' . $this->CMD['showExt']);
		}
		return $funcMenu;
	}

	/**
	 * Create the panel of buttons for submitting the form or otherwise perform operations.
	 *
	 * @return	array	all available buttons as an assoc. array
	 */
	protected function getButtons()	{

		$buttons = array(
			'csh' => '',
			'back' => '',
			'shortcut' => ''
		);
			// CSH
		//$buttons['csh'] = t3lib_BEfunc::cshItem('_MOD_web_func', '', $GLOBALS['BACK_PATH']);

			// Shortcut
		if ($GLOBALS['BE_USER']->mayMakeShortcut())	{
			$buttons['shortcut'] = $this->doc->makeShortcutIcon('CMD','function',$this->MCONF['name']);
		}
			// Back
		if(($this->CMD['showExt'] && (!$this->CMD['standAlone'] && !t3lib_div::_GP('standAlone'))) || ($this->CMD['importExt'] || $this->CMD['uploadExt'] && (!$this->CMD['standAlone'])) || $this->CMD['importExtInfo']) {
			$buttons['back'] = '<a href="index.php" class="typo3-goBack" title="' . $GLOBALS['LANG']->getLL('go_back') . '">' .
				t3lib_iconWorks::getSpriteIcon('actions-view-go-back') .
			'</a>';
		}

		return $buttons;
	}








	/*********************************
	*
	* Function Menu Applications
	*
	*********************************/

	/**
	 * Listing of loaded (installed) extensions
	 *
	 * @return	void
	 */
	function extensionList_loaded()	{
		global $TYPO3_LOADED_EXT;

		list($list,$cat) = $this->getInstalledExtensions();

		// Loaded extensions
		$content = '';
		$lines = array();

		// Available extensions
		if (is_array($cat[$this->MOD_SETTINGS['listOrder']]))	{
			$content='';
			$lines=array();
			$lines[] = $this->extensionListRowHeader(' class="t3-row-header"',array('<td><img src="clear.gif" width="1" height="1" alt="" /></td>'));

			foreach($cat[$this->MOD_SETTINGS['listOrder']] as $catName => $extEkeys)	{
				natcasesort($extEkeys);
				$extensions = array();
				foreach ($extEkeys as $extKey => $value) {
					if (array_key_exists($extKey,$TYPO3_LOADED_EXT) && ($this->MOD_SETTINGS['display_shy'] || !$list[$extKey]['EM_CONF']['shy']) && $this->searchExtension($extKey,$list[$extKey]))	{
						if (in_array($extKey, $this->requiredExt))	{
							$loadUnloadLink = '<strong>' . $GLOBALS['TBE_TEMPLATE']->rfw($GLOBALS['LANG']->getLL('extension_required_short')) . '</strong>';
						} else {
							$loadUnloadLink = '<a href="'.htmlspecialchars('index.php?CMD[showExt]='.$extKey.'&CMD[remove]=1').'">'.$this->removeButton().'</a>';
						}

						$extensions[] = $this->extensionListRow($extKey,$list[$extKey],array('<td class="bgColor">'.$loadUnloadLink.'</td>'));
					}
				}
				if(count($extensions)) {
					$lines[]='<tr><td colspan="'.(3+$this->detailCols[$this->MOD_SETTINGS['display_details']]).'"><br /></td></tr>';
					$lines[]='<tr><td colspan="'.(3+$this->detailCols[$this->MOD_SETTINGS['display_details']]).'">' . t3lib_iconWorks::getSpriteIcon('apps-filetree-folder-default') . '<strong>'.htmlspecialchars($this->listOrderTitle($this->MOD_SETTINGS['listOrder'],$catName)).'</strong></td></tr>';
					$lines[] = implode(LF,$extensions);
				}
			}
		}

		$content.= t3lib_BEfunc::cshItem('_MOD_tools_em', 'loaded', $GLOBALS['BACK_PATH'],'');
		$content.= '<form action="index.php" method="post" name="lookupform">';
		$content.= '<label for="lookUp">' . $GLOBALS['LANG']->getLL('look_up') . '</label> <input type="text" id="lookUp" name="lookUp" value="' . htmlspecialchars($this->lookUpStr) . '" /><input type="submit" value="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:search') . '" /><br /><br />';

		$content.= '</form>

			<!-- Loaded Extensions List -->
			<table border="0" cellpadding="2" cellspacing="1">'.implode('',$lines).'</table>';

		$this->content.=$this->doc->section($GLOBALS['LANG']->getLL('loaded_exts'),$content,0,1);
	}

	/**
	 * Listing of available (installed) extensions
	 *
	 * @return	void
	 */
	function extensionList_installed()	{
		global $TYPO3_LOADED_EXT;

		list($list,$cat)=$this->getInstalledExtensions();

		// Available extensions
		if (is_array($cat[$this->MOD_SETTINGS['listOrder']]))	{
			$content='';
			$lines=array();
			$lines[]=$this->extensionListRowHeader(' class="t3-row-header"',array('<td><img src="clear.gif" width="18" height="1" alt="" /></td>'));

			$allKeys=array();
			foreach($cat[$this->MOD_SETTINGS['listOrder']] as $catName => $extEkeys)	{
				if(!$this->MOD_SETTINGS['display_obsolete'] && $catName=='obsolete') continue;

				$allKeys[]='';
				$allKeys[]='TYPE: '.$catName;

				natcasesort($extEkeys);
				$extensions = array();
				foreach ($extEkeys as $extKey => $value) {
					$allKeys[]=$extKey;
					if ((!$list[$extKey]['EM_CONF']['shy'] || $this->MOD_SETTINGS['display_shy']) &&
							($list[$extKey]['EM_CONF']['state']!='obsolete' || $this->MOD_SETTINGS['display_obsolete'])
					 && $this->searchExtension($extKey,$list[$extKey]))	{
						$loadUnloadLink = t3lib_extMgm::isLoaded($extKey)?
						'<a href="'.htmlspecialchars('index.php?CMD[showExt]='.$extKey.'&CMD[remove]=1&CMD[clrCmd]=1&SET[singleDetails]=info').'">'.$this->removeButton().'</a>':
						'<a href="'.htmlspecialchars('index.php?CMD[showExt]='.$extKey.'&CMD[load]=1&CMD[clrCmd]=1&SET[singleDetails]=info').'">'.$this->installButton().'</a>';
						if (in_array($extKey,$this->requiredExt))	{
							$loadUnloadLink = '<strong>' . $GLOBALS['TBE_TEMPLATE']->rfw($GLOBALS['LANG']->getLL('extension_required_short')) . '</strong>';
						}
						$theRowClass = t3lib_extMgm::isLoaded($extKey)? 'em-listbg1' : 'em-listbg2';
						$extensions[]=$this->extensionListRow($extKey,$list[$extKey],array('<td class="bgColor">'.$loadUnloadLink.'</td>'),$theRowClass);
					}
				}
				if(count($extensions)) {
					$lines[]='<tr><td colspan="'.(3+$this->detailCols[$this->MOD_SETTINGS['display_details']]).'"><br /></td></tr>';
					$lines[]='<tr><td colspan="' . (3+$this->detailCols[$this->MOD_SETTINGS['display_details']]) . '">' . t3lib_iconWorks::getSpriteIcon('apps-filetree-folder-default') . '<strong>'. htmlspecialchars($this->listOrderTitle($this->MOD_SETTINGS['listOrder'],$catName)).'</strong></td></tr>';
					$lines[] = implode(LF,$extensions);
				}
			}

			$content.='


<!--
EXTENSION KEYS:

'.trim(implode(LF,$allKeys)).'

-->

';

			$content.= t3lib_BEfunc::cshItem('_MOD_tools_em', 'avail', $GLOBALS['BACK_PATH'], '|<br />');
			$content.= sprintf($GLOBALS['LANG']->getLL('how_to_install'), $this->installButton()) . ' <br />' .
						sprintf($GLOBALS['LANG']->getLL('how_to_uninstall'), $this->removeButton()). ' <br /><br />';
			$content .= '<form action="index.php" method="post" name="lookupform">';
			$content .= '<label for="lookUp">' . $GLOBALS['LANG']->getLL('look_up') . '</label> <input type="text" id="lookUp" name="lookUp" value="' . htmlspecialchars($this->lookUpStr) . '" /><input type="submit" value="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:search') . '" /></form><br /><br />';
			$content.= $this->securityHint.'<br /><br />';

			$content.= '<table border="0" cellpadding="2" cellspacing="1">'.implode('',$lines).'</table>';

			$this->content.=$this->doc->section(sprintf($GLOBALS['LANG']->getLL('available_extensions'), $this->MOD_MENU['listOrder'][$this->MOD_SETTINGS['listOrder']]),$content,0,1);
		}
	}

	/**
	 * Listing remote extensions from online repository
	 *
	 * @return	void
	 */
	function extensionList_import()	{
		global $TYPO3_LOADED_EXT;
		$content='';

			// Listing from online repository:
		if ($this->listRemote)	{
			list($inst_list,) = $this->getInstalledExtensions();
			$this->inst_keys = array_flip(array_keys($inst_list));

			$this->detailCols[1]+=6;

				// see if we have an extensionlist at all
			$this->extensionCount = $this->xmlhandler->countExtensions();
			if (!$this->extensionCount)	{
				$content .= $this->fetchMetaData('extensions');
			}

			if($this->MOD_SETTINGS['listOrder']=='author_company') {
				$this->listingLimit = $this->listingLimitAuthor;
			}

			$this->pointer = intval(t3lib_div::_GP('pointer'));
			$offset = $this->listingLimit*$this->pointer;

			if($this->MOD_SETTINGS['display_own'] && strlen($this->fe_user['username'])) {
				$this->xmlhandler->searchExtensionsXML($this->listRemote_search, $this->fe_user['username'], $this->MOD_SETTINGS['listOrder'], TRUE);
			} else {
				$this->xmlhandler->searchExtensionsXML($this->listRemote_search, '', $this->MOD_SETTINGS['listOrder'], TRUE, FALSE, $offset, $this->listingLimit);
			}
			if (count($this->xmlhandler->extensionsXML))	{
				list($list,$cat) = $this->prepareImportExtList(true);

					// Available extensions
				if (is_array($cat[$this->MOD_SETTINGS['listOrder']]))	{
					$lines=array();
					$lines[]=$this->extensionListRowHeader(' class="t3-row-header"',array('<td><img src="clear.gif" width="18" height="1" alt="" /></td>'),1);

					foreach($cat[$this->MOD_SETTINGS['listOrder']] as $catName => $extEkeys)	{
						if (count($extEkeys))	{
							$lines[]='<tr><td colspan="'.(3+$this->detailCols[$this->MOD_SETTINGS['display_details']]).'"><br /></td></tr>';
							$lines[]='<tr><td colspan="'.(3+$this->detailCols[$this->MOD_SETTINGS['display_details']]).'">' . t3lib_iconWorks::getSpriteIcon('apps-filetree-folder-default') . '<strong>'.htmlspecialchars($this->listOrderTitle($this->MOD_SETTINGS['listOrder'],$catName)).'</strong></td></tr>';

							natcasesort($extEkeys);
							foreach ($extEkeys as $extKey => $value) {
								$version = array_keys($list[$extKey]['versions']);
								$version = end($version);
								$ext = $list[$extKey]['versions'][$version];
								$ext['downloadcounter_all'] = $list[$extKey]['downloadcounter'];
								$ext['_ICON'] = $list[$extKey]['_ICON'];
								$loadUnloadLink='';
								if ($inst_list[$extKey]['type']!='S' && (!isset($inst_list[$extKey]) || $this->versionDifference($version,$inst_list[$extKey]['EM_CONF']['version'],$this->versionDiffFactor)))	{
									if (isset($inst_list[$extKey]))	{
											// update
										if ($inst_list[$extKey]['EM_CONF']['state'] != 'excludeFromUpdates') {
											$loc= ($inst_list[$extKey]['type']=='G'?'G':'L');
											$aUrl = 'index.php?CMD[importExt]='.$extKey.'&CMD[extVersion]='.$version.'&CMD[loc]='.$loc;
											$loadUnloadLink .= '<a href="' . htmlspecialchars($aUrl) . '" title="' . sprintf($GLOBALS['LANG']->getLL('do_update'), ($loc == 'G' ? $GLOBALS['LANG']->getLL('global') : $GLOBALS['LANG']->getLL('local'))) . '">' .
												t3lib_iconWorks::getSpriteIcon('actions-system-extension-update') .
											'</a>';
										} else {
												// extension is marked as "excludeFromUpdates"
											$loadUnloadLink .= t3lib_iconWorks::getSpriteIcon('status-dialog-warning', $GLOBALS['LANG']->getLL('excluded_from_updates') );
										}
									} else {
											// import
										$aUrl = 'index.php?CMD[importExt]='.$extKey.'&CMD[extVersion]='.$version.'&CMD[loc]=L';
										$loadUnloadLink .= '<a href="' . htmlspecialchars($aUrl) . '" title="' . $GLOBALS['LANG']->getLL('import_to_local_dir') . '">' . t3lib_iconWorks::getSpriteIcon('actions-system-extension-import') . '</a>';
									}
								} else {
									$loadUnloadLink = '&nbsp;';
								}

								if (isset($inst_list[$extKey]))	{
									$theRowClass = t3lib_extMgm::isLoaded($extKey) ? 'em-listbg1' : 'em-listbg2';
								} else {
									$theRowClass = 'em-listbg3';
								}

								$lines[]=$this->extensionListRow($extKey,$ext,array('<td class="bgColor">'.$loadUnloadLink.'</td>'),$theRowClass,$inst_list,1,'index.php?CMD[importExtInfo]='.rawurlencode($extKey));
								unset($list[$extKey]);
							}
						}
					}
					unset($list);

						// CSH:
					$content .= t3lib_BEfunc::cshItem('_MOD_tools_em', 'import_ter', $GLOBALS['BACK_PATH'], '|<br />');
					$onsubmit = "window.location.href='index.php?ter_connect=1&ter_search='+escape(this.elements['lookUp'].value);return false;";
					$content .= '<form action="index.php" method="post" onsubmit="' . htmlspecialchars($onsubmit) .
							'"><label for="lookUp">' . $GLOBALS['LANG']->getLL('list_or_look_up_extensions') . '</label><br />
							<input type="text" id="lookUp" name="lookUp" value="' . htmlspecialchars($this->listRemote_search) .
							'" /> <input type="submit" value="' . $GLOBALS['LANG']->getLL('look_up_button') . '" /></form><br /><br />';

 					$content .= $this->browseLinks();

					$content.= '

					<!-- TER Extensions list -->
					<table border="0" cellpadding="2" cellspacing="1">'.implode(LF,$lines).'</table>';
 					$content .= '<br />'.$this->browseLinks();
					$content.= '<br /><br />'.$this->securityHint;
					$content .= '<br /><br /><strong>' . $GLOBALS['LANG']->getLL('privacy_notice_header') .
						'</strong><br /> ' . $this->privacyNotice;

					$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('extensions_repository_group_by') . ' ' .
						$this->MOD_MENU['listOrder'][$this->MOD_SETTINGS['listOrder']], $content, 0, 1);

						// Plugins which are NOT uploaded to repository but present on this server.
					$content='';
					$lines=array();
					if (count($this->inst_keys))	{
						foreach ($this->inst_keys as $extKey => $value) {
 							$this->xmlhandler->searchExtensionsXMLExact($extKey, '', '', true);
							if((strlen($this->listRemote_search) && !stristr($extKey,$this->listRemote_search)) || isset($this->xmlhandler->extensionsXML[$extKey])) continue;

							$loadUnloadLink = t3lib_extMgm::isLoaded($extKey)?
							'<a href="'.htmlspecialchars('index.php?CMD[showExt]='.$extKey.'&CMD[remove]=1&CMD[clrCmd]=1&SET[singleDetails]=info').'">'.$this->removeButton().'</a>':
							'<a href="'.htmlspecialchars('index.php?CMD[showExt]='.$extKey.'&CMD[load]=1&CMD[clrCmd]=1&SET[singleDetails]=info').'">'.$this->installButton().'</a>';
							if (in_array($extKey,$this->requiredExt)) {
								$loadUnloadLink = '<strong>' .$GLOBALS['TBE_TEMPLATE']->rfw($GLOBALS['LANG']->getLL('extension_required_short')) . '</strong>';
							}
							$lines[]=$this->extensionListRow($extKey,$inst_list[$extKey],array('<td class="bgColor">'.$loadUnloadLink.'</td>'),t3lib_extMgm::isLoaded($extKey)?'em-listbg1':'em-listbg2');
						}
					}
					if(count($lines)) {
						$content .= $GLOBALS['LANG']->getLL('list_of_local_extensions') .
							'<br />' . $GLOBALS['LANG']->getLL('might_be_user_defined') . '<br /><br />';
						$content.= '<table border="0" cellpadding="2" cellspacing="1">'.
							$this->extensionListRowHeader(' class="t3-row-header"',array('<td><img src="clear.gif" width="18" height="1" alt="" /></td>')).
							implode('',$lines).'</table>';
						$this->content.=$this->doc->spacer(20);
						$this->content.=$this->doc->section($GLOBALS['LANG']->getLL('only_on_this_server'), $content, 0, 1);
					}
				}
			} else {
				$content .= t3lib_BEfunc::cshItem('_MOD_tools_em', 'import_ter', $GLOBALS['BACK_PATH'], '|<br />');
				$onsubmit = "window.location.href='index.php?ter_connect=1&ter_search='+escape(this.elements['lookUp'].value);return false;";
				$content .= '<form action="index.php" method="post" onsubmit="' . htmlspecialchars($onsubmit) .
					'"><label for="lookUp">' .
					$GLOBALS['LANG']->getLL('list_or_look_up_extensions') . '</label><br />
					<input type="text" id="lookUp" name="lookUp" value="' . htmlspecialchars($this->listRemote_search) .
					'" /> <input type="submit" value="' . $GLOBALS['LANG']->getLL('look_up_button') . '" /></form><br /><br />';

				$content .= '<p><strong>' . $GLOBALS['LANG']->getLL('no_matching_extensions') . '</strong></p>';

				$content .= '<br /><br /><strong>' . $GLOBALS['LANG']->getLL('privacy_notice_header') .
					'</strong><br /> ' . $this->privacyNotice;
				$this->content.=$this->doc->section($GLOBALS['LANG']->getLL('extensions_repository_group_by') . ' ' .
					$this->MOD_MENU['listOrder'][$this->MOD_SETTINGS['listOrder']], $content, 0, 1);
			}
		} else {
				// CSH
			$content .= t3lib_BEfunc::cshItem('_MOD_tools_em', 'import', $GLOBALS['BACK_PATH'], '|<br />');

			$onsubmit = "window.location.href='index.php?ter_connect=1&ter_search='+escape(this.elements['lookUp'].value);return false;";
			$content .= '<form action="index.php" method="post" onsubmit="' . htmlspecialchars($onsubmit) .
				'"><label for="lookUp">' .
				$GLOBALS['LANG']->getLL('list_or_look_up_extensions') . '</label><br />
				<input type="text" id="lookUp" name="lookUp" value="" /> <input type="submit" value="' .
				$GLOBALS['LANG']->getLL('look_up_button') . '" /><br /><br />';

			if ($this->CMD['fetchMetaData'])	{	// fetches mirror/extension data from online rep.
				$content .= $this->fetchMetaData($this->CMD['fetchMetaData']);
			} else {
				$onCLick = "window.location.href='index.php?CMD[fetchMetaData]=extensions';return false;";
				$content .= $GLOBALS['LANG']->getLL('connect_to_ter') . '<br />
					<input type="submit" value="' . $GLOBALS['LANG']->getLL('retrieve_update') .
					'" onclick="' . htmlspecialchars($onCLick) . '" />';
				if (is_file(PATH_site.'typo3temp/extensions.xml.gz'))	{
					$dateFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'];
					$timeFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'];
					$content .= ' ' . sprintf($GLOBALS['LANG']->getLL('ext_list_last_updated') . ' ',
						date(
							$dateFormat . ', ' . $timeFormat,
							filemtime(PATH_site . 'typo3temp/extensions.xml.gz')
						)
					);
				}
			}
			$content.= '</form><br /><br />'.$this->securityHint;
			$content .= '<br /><br /><strong>' . $GLOBALS['LANG']->getLL('privacy_notice_header') .
				'</strong><br />' . $this->privacyNotice;

			$this->content.=$this->doc->section($GLOBALS['LANG']->getLL('in_repository'), $content, 0, 1);
		}

			// Upload:
		if ($this->importAtAll())	{
			$content= '<form action="index.php" enctype="'.$GLOBALS['TYPO3_CONF_VARS']['SYS']['form_enctype'].'" method="post">
			<label for="upload_ext_file">' . $GLOBALS['LANG']->getLL('upload_t3x') . '</label><br />
				<input type="file" size="60" id="upload_ext_file" name="upload_ext_file" /><br />' .
				$GLOBALS['LANG']->getLL('upload_to_location') . '<br />
				<select name="CMD[loc]">';
			if ($this->importAsType('L'))	$content .= '<option value="L">' . $GLOBALS['LANG']->getLL('local_folder') . '</option>';
			if ($this->importAsType('G'))	$content .= '<option value="G">' . $GLOBALS['LANG']->getLL('global_folder') . '</option>';
			if ($this->importAsType('S'))	$content .= '<option value="S">' . $GLOBALS['LANG']->getLL('system_folder') . '</option>';
			$content.='</select><br />
	<input type="checkbox" value="1" name="CMD[uploadOverwrite]" id="checkUploadOverwrite" /> <label for="checkUploadOverwrite">' .
			$GLOBALS['LANG']->getLL('overwrite_ext') . '</label><br />
	<input type="submit" name="CMD[uploadExt]" value="' . $GLOBALS['LANG']->getLL('upload_ext_file') . '" /></form><br />
			';
		} else $content=$this->noImportMsg();

		$this->content.=$this->doc->spacer(20);
		$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('upload_ext_directly'), $content, 0, 1);
	}

	/**
	 * Generates a link to the next page of extensions
	 *
	 * @return	void
	 */
	function browseLinks()	{
		$content = '';
		if ($this->pointer)	{
			$content .= '<a href="' . t3lib_div::linkThisScript(array('pointer' => $this->pointer-1)) .
				'" class="typo3-prevPage"><img' . t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],
					'gfx/pilleft_n.gif', 'width="14" height="14"') .
				' alt="' . $GLOBALS['LANG']->getLL('previous_page') . '" /> ' .
				$GLOBALS['LANG']->getLL('previous_page') . '</a>';
		}
		if ($content) $content .= '&nbsp;&nbsp;&nbsp;';
		if (intval($this->xmlhandler->matchingCount/$this->listingLimit)>$this->pointer)	{
			$content .= '<a href="' . t3lib_div::linkThisScript(array('pointer' => $this->pointer+1)) .
				'" class="typo3-nextPage"><img' . t3lib_iconWorks::skinImg($GLOBALS['BACK_PATH'],
					'gfx/pilright_n.gif', 'width="14" height="14"') .
				' alt="' . $GLOBALS['LANG']->getLL('next_page') . '" /> ' .
				$GLOBALS['LANG']->getLL('next_page') . '</a>';
		}
		$upper = (($this->pointer+1)*$this->listingLimit);
		if ($upper>$this->xmlhandler->matchingCount)	{
			$upper = $this->xmlhandler->matchingCount;
		}
		if ($content) $content .= '<br /><br />' .
			sprintf($GLOBALS['LANG']->getLL('showing_extensions_from_to'),
				'<strong>' . ($this->pointer*$this->listingLimit+1) . '</strong>',
				'<strong>' . $upper . '</strong>'
			);
		if ($content) $content .= '<br /><br />';
		return $content;
	}

	/**
	 * Allows changing of settings
	 *
	 * @return	void
	 */
	function alterSettings()	{

			// Prepare the HTML output:
		$content.= '
			' . t3lib_BEfunc::cshItem('_MOD_tools_em', 'settings', $GLOBALS['BACK_PATH'], '|<br />') . '
			<form action="index.php" method="post" name="altersettings">
			<fieldset><legend>' . $GLOBALS['LANG']->getLL('user_settings') . '</legend>
			<table border="0" cellpadding="2" cellspacing="2">
				<tr class="bgColor4">
					<td><label for="set_fe_u">' . $GLOBALS['LANG']->getLL('enter_repository_username') . '</label></td>
					<td><input type="text" id="set_fe_u" name="SET[fe_u]" value="'.htmlspecialchars($this->MOD_SETTINGS['fe_u']).'" /></td>
				</tr>
				<tr class="bgColor4">
					<td><label for="set_fe_p">' . $GLOBALS['LANG']->getLL('enter_repository_password') . '</label></td>
					<td><input type="password" id="set_fe_p" name="SET[fe_p]" value="'.htmlspecialchars($this->MOD_SETTINGS['fe_p']).'" /></td>
				</tr>
			</table>
			<strong>' . $GLOBALS['LANG']->getLL('notice') . '</strong> ' .
				$GLOBALS['LANG']->getLL('repository_password_info') . '
			</fieldset>
			<br />
			<br />
			<fieldset><legend>' . $GLOBALS['LANG']->getLL('mirror_selection') . '</legend>
			<table border="0" cellpadding="2" cellspacing="2">
				<tr class="bgColor4">
					<td><label for="set_mirror_list_url">' . $GLOBALS['LANG']->getLL('mirror_list_url') . '</label></td>
					<td><input type="text" size="50" id="set_mirror_list_url" name="SET[mirrorListURL]" value="'.htmlspecialchars($this->MOD_SETTINGS['mirrorListURL']).'" /></td>
				</tr>
			</table>
			</fieldset>
			<br />
			<p>' . $GLOBALS['LANG']->getLL('mirror_select') . '<br /><br /></p>
			<fieldset><legend>' . $GLOBALS['LANG']->getLL('mirror_list') . '</legend>';
		if(!empty($this->MOD_SETTINGS['mirrorListURL'])) {
			if ($this->CMD['fetchMetaData'])	{	// fetches mirror/extension data from online rep.
				$content .= $this->fetchMetaData($this->CMD['fetchMetaData']);
			} else {
				$content .= '<a href="index.php?CMD[fetchMetaData]=mirrors">' . $GLOBALS['LANG']->getLL('mirror_list_reload') . '</a>';
			}
		}
		$content .= '<br />
			<table cellspacing="4" style="text-align:left; vertical-alignment:top;">
			<tr>
				<td>' . $GLOBALS['LANG']->getLL('mirror_use') . '</td>
				<td>' . $GLOBALS['LANG']->getLL('mirror_name') . '</td>
				<td>' . $GLOBALS['LANG']->getLL('mirror_url') . '</td>
				<td>' . $GLOBALS['LANG']->getLL('mirror_country') . '</td>
				<td>' . $GLOBALS['LANG']->getLL('mirror_sponsored_by') . '</td>
			</tr>
		';

		if (!strlen($this->MOD_SETTINGS['extMirrors'])) $this->fetchMetaData('mirrors');
		$extMirrors = unserialize($this->MOD_SETTINGS['extMirrors']);
		$extMirrors[''] = array('title'=>$GLOBALS['LANG']->getLL('mirror_use_random'));
		ksort($extMirrors);
		if(is_array($extMirrors)) {
			foreach($extMirrors as $k => $v) {
				if(isset($v['sponsor'])) {
					$sponsor = '<a href="'.htmlspecialchars($v['sponsor']['link']).'" target="_blank"><img src="'.$v['sponsor']['logo'].'" title="'.htmlspecialchars($v['sponsor']['name']).'" alt="'.htmlspecialchars($v['sponsor']['name']).'" /></a>';
				}
				$selected = ($this->MOD_SETTINGS['selectedMirror']==$k) ? 'checked="checked"' : '';
				$content.='<tr class="bgColor4">
			<td><input type="radio" name="SET[selectedMirror]" id="selectedMirror'.$k.'" value="'.$k.'" '.$selected.'/></td><td><label for="selectedMirror'.$k.'">'.htmlspecialchars($v['title']).'</label></td><td>'.htmlspecialchars($v['host'].$v['path']).'</td><td>'.$v['country'].'</td><td>'.$sponsor.'</td></tr>';
			}
		}
		$content.= '
			</table>
			</fieldset>
			<fieldset>
			<br />
			<table border="0" cellpadding="2" cellspacing="2">
				<tr class="bgColor4">
					<td><label for="set_rep_url">' . $GLOBALS['LANG']->getLL('enter_repository_url') . '</label></td>
					<td><input type="text" size="50" id="set_rep_url" name="SET[rep_url]" value="'.htmlspecialchars($this->MOD_SETTINGS['rep_url']).'" /></td>
				</tr>
			</table>

			' . $GLOBALS['LANG']->getLL('repository_url_hint') . '<br />
			</fieldset>
			<br />
			<input type="submit" value="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_tsfe.xml:update') . '" />
			</form>
		';

		$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('repository_settings'), $content, 0, 1);
	}

	/**
	 * Allows to set the translation preferences and check the status
	 *
	 * @return	void
	 */
	function translationHandling()	{
		global $LANG, $TYPO3_LOADED_EXT;
		$LANG->includeLLFile('EXT:setup/mod/locallang.xml');

		//prepare docheader
		$docHeaderButtons = $this->getButtons();
		$markers = array(
			'CSH' => $docHeaderButtons['csh'],
			'FUNC_MENU' => $this->getFuncMenu(),
		);


		$incoming = t3lib_div::_POST('SET');
		if(isset($incoming['selectedLanguages']) && is_array($incoming['selectedLanguages'])) {
			t3lib_BEfunc::getModuleData($this->MOD_MENU, array('selectedLanguages' => serialize($incoming['selectedLanguages'])), $this->MCONF['name'], '', 'selectedLanguages');
			$this->MOD_SETTINGS['selectedLanguages'] = serialize($incoming['selectedLanguages']);
		}

		$selectedLanguages = unserialize($this->MOD_SETTINGS['selectedLanguages']);
		if(count($selectedLanguages)==1 && empty($selectedLanguages[0])) $selectedLanguages = array();
		$theLanguages = t3lib_div::trimExplode('|',TYPO3_languages);
		foreach($theLanguages as $val)  {
			if ($val!='default')    {
				$localLabel = '  -  ['.htmlspecialchars($GLOBALS['LOCAL_LANG']['default']['lang_'.$val]).']';
				$selected = (is_array($selectedLanguages) && in_array($val, $selectedLanguages)) ? ' selected="selected"' : '';
				$opt[$GLOBALS['LANG']->getLL('lang_' . $val, 1) . '--' . $val] = '
			 <option value="'.$val.'"'.$selected.'>'.$LANG->getLL('lang_'.$val,1).$localLabel.'</option>';
			}
		}
		ksort($opt);

			// Prepare the HTML output:
		$content.= '
			' . t3lib_BEfunc::cshItem('_MOD_tools_em', 'translation', $GLOBALS['BACK_PATH'], '|<br />') . '
			<form action="index.php" method="post" name="translationform">
			<fieldset><legend>' . $GLOBALS['LANG']->getLL('translation_settings') . '</legend>
			<table border="0" cellpadding="2" cellspacing="2">
				<tr class="bgColor4">
					<td>' . $GLOBALS['LANG']->getLL('languages_to_fetch') . '</td>
					<td>
					  <select name="SET[selectedLanguages][]" multiple="multiple" size="10">
					  <option>&nbsp;</option>'.
			implode('',$opt).'
			</select>
		  </td>
				</tr>
			</table>
			<br />
			<p>' . $GLOBALS['LANG']->getLL('translation_info') . '<br />
			<br />' . $GLOBALS['LANG']->getLL('translation_loaded_exts') . '</p>
			</fieldset>
			<br />
			<input type="submit" value="' . $GLOBALS['LANG']->getLL('translation_save_selection') . '" />
			<br />
			</form>';

		$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('translation_settings'), $content, 0, 1);

		if(count($selectedLanguages)>0) {
			$mirrorURL = $this->getMirrorURL();
			$content = '<input type="button" value="' . $GLOBALS['LANG']->getLL('translation_check_status_button') .
				'" onclick="document.location.href=\'' . htmlspecialchars(t3lib_div::linkThisScript(array('l10n'=>'check'))) .
				'\'" />&nbsp;<input type="button" value="' . $GLOBALS['LANG']->getLL('translation_update_button') .
				'" onclick="document.location.href=\'' . htmlspecialchars(t3lib_div::linkThisScript(array('l10n'=>'update'))) .
				'\'" />';

				// as this page loads dynamically, quit output buffering caused by ob_gzhandler
			t3lib_div::cleanOutputBuffers();

			if(t3lib_div::_GET('l10n') == 'check') {
				$loadedExtensions = array_keys($TYPO3_LOADED_EXT);
				$loadedExtensions = array_diff($loadedExtensions,array('_CACHEFILE'));

					// Override content output - we now do that ourselves:
				$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('translation_status'), $content, 0, 1);
					// Setting up the buttons and markers for docheader
				$content = $this->doc->startPage('Extension Manager');
				$content.= $this->doc->moduleBody($this->pageinfo, $docHeaderButtons, $markers);
				$contentParts=explode('###CONTENT###',$content);

				echo $contentParts[0].$this->content;

				$this->doPrintContent = FALSE;
				flush();

				echo '
				<br />
				<br />
				<p id="progress-message">
					' . $GLOBALS['LANG']->getLL('translation_check_status') . '
				</p>
				<br />
				<div style="width:100%; height:20px; border: 1px solid black;">
					<div id="progress-bar" style="float: left; width: 0%; height: 20px; background-color:green;">&nbsp;</div>
					<div id="transparent-bar" style="float: left; width: 100%; height: 20px; background-color:'.$this->doc->bgColor2.';">&nbsp;</div>
				</div>
				<br />
				<br /><p>' . $GLOBALS['LANG']->getLL('translation_table_check') . '</p><br />
				<table border="0" cellpadding="2" cellspacing="2">
					<tr class="t3-row-header"><td>' . $GLOBALS['LANG']->getLL('translation_extension_key') . '</td>
				';

				foreach($selectedLanguages as $lang) {
					echo ('<td>'.$LANG->getLL('lang_'.$lang,1).'</td>');
				}
				echo ('</tr>');

				$counter = 1;
				foreach($loadedExtensions as $extKey) {

					$percentDone = intval (($counter / count($loadedExtensions)) * 100);
					echo ('
					<script type="text/javascript">
						document.getElementById("progress-bar").style.width = "'.$percentDone.'%";
						document.getElementById("transparent-bar").style.width = "'.(100-$percentDone).'%";
						document.getElementById("progress-message").firstChild.data="' .
							sprintf($GLOBALS['LANG']->getLL('translation_checking_extension'), $extKey) . '";
					</script>
					');

					flush();
					$translationStatusArr = $this->terConnection->fetchTranslationStatus($extKey,$mirrorURL);

					echo ('<tr class="bgColor4"><td>'.$extKey.'</td>');
					foreach($selectedLanguages as $lang) {
						// remote unknown -> no l10n available
						if(!isset($translationStatusArr[$lang])) {
							echo ('<td title="' . $GLOBALS['LANG']->getLL('translation_no_translation') . '">' .
								$GLOBALS['LANG']->getLL('translation_n_a') . '</td>');
							continue;
						}
							// determine local md5 from zip
						if(is_file(PATH_site.'typo3temp/'.$extKey.'-l10n-'.$lang.'.zip')) {
							$localmd5 = md5_file(PATH_site.'typo3temp/'.$extKey.'-l10n-'.$lang.'.zip');
						} else {
							echo ('<td title="' . $GLOBALS['LANG']->getLL('translation_not_installed') .
								'" style="background-color:#ff0">' . $GLOBALS['LANG']->getLL('translation_status_unknown') .
								'</td>');
							continue;
						}
							// local!=remote -> needs update
						if($localmd5 != $translationStatusArr[$lang]['md5']) {
							echo ('<td title="' . $GLOBALS['LANG']->getLL('translation_needs_update') .
								'" style="background-color:#ff0">' . $GLOBALS['LANG']->getLL('translation_status_update') .
								'</td>');
							continue;
						}
						echo ('<td title="' . $GLOBALS['LANG']->getLL('translation_is_ok') .
							'" style="background-color:#69a550">' . $GLOBALS['LANG']->getLL('translation_status_ok') .
							'</td>');
					}
					echo ('</tr>');

					$counter ++;
				}
				echo '</table>
					<script type="text/javascript">
						document.getElementById("progress-message").firstChild.data="' .
							$GLOBALS['LANG']->getLL('translation_check_done') . '";
					</script>
				';
				echo $contentParts[1] . $this->doc->endPage();
				exit;

			} elseif(t3lib_div::_GET('l10n') == 'update') {
				$loadedExtensions = array_keys($TYPO3_LOADED_EXT);
				$loadedExtensions = array_diff($loadedExtensions,array('_CACHEFILE'));

					// Override content output - we now do that ourselves:
				$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('translation_status'), $content, 0, 1);
					// Setting up the buttons and markers for docheader
				$content = $this->doc->startPage('Extension Manager');
				$content.= $this->doc->moduleBody($this->pageinfo, $docHeaderButtons, $markers);
				$contentParts=explode('###CONTENT###',$content);

				echo $contentParts[0].$this->content;

				$this->doPrintContent = FALSE;
				flush();

				echo ('
				<br />
				<br />
				<p id="progress-message">
					' . $GLOBALS['LANG']->getLL('translation_update_status') . '
				</p>
				<br />
				<div style="width:100%; height:20px; border: 1px solid black;">
					<div id="progress-bar" style="float: left; width: 0%; height: 20px; background-color:green;">&nbsp;</div>
					<div id="transparent-bar" style="float: left; width: 100%; height: 20px; background-color:'.$this->doc->bgColor2.';">&nbsp;</div>
				</div>
				<br />
				<br /><p>' . $GLOBALS['LANG']->getLL('translation_table_update') . '<br />
				<em>' . $GLOBALS['LANG']->getLL('translation_full_check_update') . '</em></p><br />
				<table border="0" cellpadding="2" cellspacing="2">
					<tr class="t3-row-header"><td>' . $GLOBALS['LANG']->getLL('translation_extension_key') . '</td>
				');

				foreach($selectedLanguages as $lang) {
					echo '<td>'.$LANG->getLL('lang_'.$lang,1).'</td>';
				}
				echo '</tr>';

				$counter = 1;
				foreach($loadedExtensions as $extKey) {
					$percentDone = intval (($counter / count($loadedExtensions)) * 100);
					echo ('
					<script type="text/javascript">
						document.getElementById("progress-bar").style.width = "'.$percentDone.'%";
						document.getElementById("transparent-bar").style.width = "'.(100-$percentDone).'%";
						document.getElementById("progress-message").firstChild.data="' .
							sprintf($GLOBALS['LANG']->getLL('translation_updating_extension'), $extKey) . '";
					</script>
					');

					flush();
					$translationStatusArr = $this->terConnection->fetchTranslationStatus($extKey,$mirrorURL);

					echo ('<tr class="bgColor4"><td>'.$extKey.'</td>');
					if(is_array($translationStatusArr)) {
						foreach($selectedLanguages as $lang) {
								// remote unknown -> no l10n available
							if(!isset($translationStatusArr[$lang])) {
								echo ('<td title="' . $GLOBALS['LANG']->getLL('translation_no_translation') .
									'">' . $GLOBALS['LANG']->getLL('translation_n_a') . '</td>');
								continue;
							}
								// determine local md5 from zip
							if(is_file(PATH_site.'typo3temp/'.$extKey.'-l10n-'.$lang.'.zip')) {
								$localmd5 = md5_file(PATH_site.'typo3temp/'.$extKey.'-l10n-'.$lang.'.zip');
							} else {
								$localmd5 = 'zzz';
							}
								// local!=remote or not installed -> needs update
							if($localmd5 != $translationStatusArr[$lang]['md5']) {
								$ret = $this->updateTranslation($extKey, $lang, $mirrorURL);
								if($ret === true) {
									echo ('<td title="' . $GLOBALS['LANG']->getLL('translation_has_been_updated') .
										'" style="background-color:#69a550">' . $GLOBALS['LANG']->getLL('translation_status_update') .
										'</td>');
								} else {
									echo ('<td title="' . htmlspecialchars($ret) .
										'" style="background-color:#cb3352">' . $GLOBALS['LANG']->getLL('translation_status_error') .
										'</td>');
								}
								continue;
							}
							echo ('<td title="' . $GLOBALS['LANG']->getLL('translation_is_ok') .
								'" style="background-color:#69a550">' . $GLOBALS['LANG']->getLL('translation_status_ok') . '</td>');
						}
					} else {
						echo ('<td colspan="' . count($selectedLanguages) .
							'" title="' . $GLOBALS['LANG']->getLL('translation_problems') .
							'">' . $GLOBALS['LANG']->getLL('translation_status_could_not_fetch') . '</td>');
					}
					echo ('</tr>');
					$counter++;
				}
				echo '</table>
					<script type="text/javascript">
						document.getElementById("progress-message").firstChild.data="' .
							$GLOBALS['LANG']->getLL('translation_update_done') . '";
					</script>
				';

					// Fix permissions on unzipped language xml files in the entire l10n folder and all subfolders
				t3lib_div::fixPermissions(PATH_typo3conf . 'l10n', TRUE);

				echo $contentParts[1] . $this->doc->endPage();
				exit;
			}

			$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('translation_status'), $content, 0, 1);
		}
	}

	/**
	 * Install translations for all selected languages for an extension
	 *
	 * @param string $extKey		The extension key to install the translations for
	 * @param string $lang		Language code of translation to fetch
	 * @param string $mirrorURL		Mirror URL to fetch data from
	 * @return mixed	true on success, error string on fauilure
	 */
	function updateTranslation($extKey, $lang, $mirrorURL) {
		$l10n = $this->terConnection->fetchTranslation($extKey, $lang, $mirrorURL);
		if(is_array($l10n)) {
			$file = PATH_site.'typo3temp/'.$extKey.'-l10n-'.$lang.'.zip';
			$path = 'l10n/'.$lang.'/';
			if(!is_dir(PATH_typo3conf.$path)) t3lib_div::mkdir_deep(PATH_typo3conf,$path);
			t3lib_div::writeFile($file, $l10n[0]);
			if($this->unzip($file, PATH_typo3conf.$path)) {
				return true;
			} else {
				return $GLOBALS['LANG']->getLL('translation_unpacking_failed');
			}
		} else {
			return $l10n;
		}
	}

	/**
	 * Install translations for all selected languages for an extension
	 *
	 * @param string $extKey		The extension key to install the translations for
	 * @param string $mirrorURL		Mirror URL to fetch data from
	 * @return mixed	true on success, error string on fauilure
	 */
	function installTranslationsForExtension($extKey, $mirrorURL) {
		$selectedLanguages = unserialize($this->MOD_SETTINGS['selectedLanguages']);
		if(!is_array($selectedLanguages)) $selectedLanguages = array();
		foreach($selectedLanguages as $lang) {
			$l10n = $this->terConnection->fetchTranslation($extKey, $lang, $mirrorURL);
			if(is_array($l10n)) {
				$file = PATH_typo3conf.'l10n/'.$extKey.'-l10n-'.$lang.'.zip';
				$path = 'l10n/'.$lang.'/'.$extKey;
				t3lib_div::writeFile($file, $l10n[0]);
				if(!is_dir(PATH_typo3conf.$path)) t3lib_div::mkdir_deep(PATH_typo3conf,$path);
				if($this->unzip($file, PATH_typo3conf.$path)) {
					return true;
				} else {
					return $GLOBALS['LANG']->getLL('translation_unpacking_failed');
				}
			} else {
				return $l10n;
			}
		}
	}

	/**
	 * Unzips a zip file in the given path.
	 *
	 * Uses unzip binary if available, otherwise a pure PHP unzip is used.
	 *
	 * @param string $file		Full path to zip file
	 * @param string $path		Path to change to before extracting
	 * @return boolean	True on success, false in failure
	 */
	function unzip($file, $path) {
		if(strlen($GLOBALS['TYPO3_CONF_VARS']['BE']['unzip_path'])) {
			chdir($path);
			$cmd = $GLOBALS['TYPO3_CONF_VARS']['BE']['unzip_path'].' -o '.escapeshellarg($file);
			exec($cmd, $list, $ret);
			return ($ret === 0);
		} else {
				// we use a pure PHP unzip
			$unzip = new em_unzip($file);
			$ret = $unzip->extract(array('add_path'=>$path));
			return (is_array($ret));
		}
	}



	/*********************************
	*
	* Command Applications (triggered by GET var)
	*
	*********************************/

	/**
	 * Returns detailed info about an extension in the online repository
	 *
	 * @param	string		Extension repository uid + optional "private key": [uid]-[key].
	 * @param	[type]		$version: ...
	 * @return	void
	 */
	function importExtInfo($extKey, $version='')	{

		$content = '<form action="index.php" method="post" name="pageform">';

			// Fetch remote data:
		$this->xmlhandler->searchExtensionsXMLExact($extKey, '', '', true, true);
		list($fetchData,) = $this->prepareImportExtList(true);

		$versions = array_keys($fetchData[$extKey]['versions']);
		natsort($versions);
		$version = ($version == '') ? end($versions) : $version;

		$opt = array();
		foreach($versions as $ver) {
			$opt[]='<option value="'.$ver.'"'.(($version == $ver) ? ' selected="selected"' : '').'>'.$ver.'</option>';
		}

			// "Select version" box:
		$onClick = 'window.location.href=\'index.php?CMD[importExtInfo]='.$extKey.'&CMD[extVersion]=\'+document.pageform.extVersion.options[document.pageform.extVersion.selectedIndex].value; return false;';
		$select = '<select name="extVersion">' . implode('', $opt) .
			'</select> <input type="submit" value="' . $GLOBALS['LANG']->getLL('ext_load_details_button') .
			'" onclick="' . htmlspecialchars($onClick) . '" />';

		if ($this->importAtAll())	{
			// Check for write-protected extension
			list($inst_list,) = $this->getInstalledExtensions();
			if ($inst_list[$extKey]['EM_CONF']['state'] != 'excludeFromUpdates') {
				$onClick = '
						window.location.href=\'index.php?CMD[importExt]='.$extKey.'\'
							+\'&CMD[extVersion]=\'+document.pageform.extVersion.options[document.pageform.extVersion.selectedIndex].value
							+\'&CMD[loc]=\'+document.pageform.loc.options[document.pageform.loc.selectedIndex].value;
							return false;';
				$select .= ' ' . $GLOBALS['LANG']->getLL('ext_or') . '<br /><br />
					<input type="submit" value="' . $GLOBALS['LANG']->getLL('ext_import_update_button') .
					'" onclick="' . htmlspecialchars($onClick) . '" /> ' . $GLOBALS['LANG']->getLL('ext_import_update_to') . '
					<select name="loc">'.
					($this->importAsType('G', $fetchData['emconf_lockType']) ?
						'<option value="G">' . $GLOBALS['LANG']->getLL('ext_import_global') . ' ' . $this->typePaths['G'] . $extKey . '/' .
						(@is_dir(PATH_site . $this->typePaths['G'] . $extKey) ?
							' ' . $GLOBALS['LANG']->getLL('ext_import_overwrite') :
							' ' . $GLOBALS['LANG']->getLL('ext_import_folder_empty')
						) . '</option>' : ''
					) .
					($this->importAsType('L', $fetchData['emconf_lockType']) ?
						'<option value="L">' . $GLOBALS['LANG']->getLL('ext_import_local') . ' ' . $this->typePaths['L'] . $extKey . '/' .
						(@is_dir(PATH_site . $this->typePaths['L'] . $extKey) ?
							' ' . $GLOBALS['LANG']->getLL('ext_import_overwrite') :
							' ' . $GLOBALS['LANG']->getLL('ext_import_folder_empty')
						) . '</option>' : ''
					) .
					($this->importAsType('S', $fetchData['emconf_lockType']) ?
						'<option value="S">' . $GLOBALS['LANG']->getLL('ext_import_system') . ' ' . $this->typePaths['S'] . $extKey . '/' .
						(@is_dir(PATH_site . $this->typePaths['S'] . $extKey) ?
							' ' . $GLOBALS['LANG']->getLL('ext_import_overwrite') :
							' ' . $GLOBALS['LANG']->getLL('ext_import_folder_empty')
						) . '</option>' : ''
					) .
					'</select>
					</form>';
			} else {
				$select .= '<br /><br />' . $GLOBALS['LANG']->getLL('ext_import_excluded_from_updates');
			}
		} else {
			$select .= '<br /><br />' . $this->noImportMsg();
		}
		$content.= $select;
		$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('ext_import_select_command'), $content, 0, 1);

			// Details:
		$eInfo = $fetchData[$extKey]['versions'][$version];
		$content='<strong>'.$fetchData[$extKey]['_ICON'].' &nbsp;'.$eInfo['EM_CONF']['title'].' ('.$extKey.', '.$version.')</strong><br /><br />';
		$content.=$this->extInformationArray($extKey,$eInfo,1);
		$this->content.=$this->doc->spacer(10);
		$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('ext_import_remote_ext_details'), $content, 0, 1);
	}

	/**
	 * Fetches metadata and stores it to the corresponding place. This includes the mirror list,
	 * extension XML files.
	 *
	 * @param	string		Type of data to fetch: (mirrors)
	 * @param	boolean		If true the method doesn't produce any output
	 * @return	void
	 */
	function fetchMetaData($metaType)	{
		global $TYPO3_CONF_VARS;

		switch($metaType) {
			case 'mirrors':
				$mfile = t3lib_div::tempnam('mirrors');
				$mirrorsFile = t3lib_div::getURL($this->MOD_SETTINGS['mirrorListURL'], 0, array(TYPO3_user_agent));
				if($mirrorsFile===false) {
					t3lib_div::unlink_tempfile($mfile);
					$content = '<p>' .
						sprintf($GLOBALS['LANG']->getLL('ext_import_list_not_updated'),
							$this->MOD_SETTINGS['mirrorListURL']
						) . ' ' .
						$GLOBALS['LANG']->getLL('translation_problems') . '</p>';
				} else {
					t3lib_div::writeFile($mfile, $mirrorsFile);
					$mirrors = implode('',gzfile($mfile));
					t3lib_div::unlink_tempfile($mfile);

					$mirrors = $this->xmlhandler->parseMirrorsXML($mirrors);
					if(is_array($mirrors) && count($mirrors)) {
						t3lib_BEfunc::getModuleData($this->MOD_MENU, array('extMirrors' => serialize($mirrors)), $this->MCONF['name'], '', 'extMirrors');
						$this->MOD_SETTINGS['extMirrors'] = serialize($mirrors);
						$content = '<p>' .
							sprintf($GLOBALS['LANG']->getLL('ext_import_list_updated'),
								count($mirrors)
							) . '</p>';
					}
					else {
						$content = '<p>' . $mirrors . '<br />' . $GLOBALS['LANG']->getLL('ext_import_list_empty') . '</p>';
					}
				}
				break;
			case 'extensions':
				$this->fetchMetaData('mirrors'); // if we fetch the extensions anyway, we can as well keep this up-to-date

				$mirror = $this->getMirrorURL();
				$extfile = $mirror.'extensions.xml.gz';
				$extmd5 = t3lib_div::getURL($mirror.'extensions.md5', 0, array(TYPO3_user_agent));
				if (is_file(PATH_site.'typo3temp/extensions.xml.gz')) {
					$localmd5 = md5_file(PATH_site.'typo3temp/extensions.xml.gz');
				}

					// count cached extensions. If cache is empty re-fill it
				$cacheCount = $GLOBALS['TYPO3_DB']->exec_SELECTcountRows('extkey', 'cache_extensions');

				if($extmd5 === false) {
					$content .= '<p>' .
						sprintf($GLOBALS['LANG']->getLL('ext_import_md5_not_updated'),
							$mirror . 'extensions.md5'
						) .
						$GLOBALS['LANG']->getLL('translation_problems') . '</p>';
				} elseif($extmd5 == $localmd5 && $cacheCount) {
					$flashMessage = t3lib_div::makeInstance(
						't3lib_FlashMessage',
						$GLOBALS['LANG']->getLL('ext_import_list_unchanged'),
						$GLOBALS['LANG']->getLL('ext_import_list_unchanged_header'),
						t3lib_FlashMessage::INFO
					);
					$content .= $flashMessage->render();
				} else {
					$extXML = t3lib_div::getURL($extfile, 0, array(TYPO3_user_agent));
					if($extXML === false) {
						$content .= '<p>' .
							sprintf($GLOBALS['LANG']->getLL('ext_import_list_unchanged'),
								$extfile
							) . ' ' .
							$GLOBALS['LANG']->getLL('translation_problems') . '</p>';
					} else {
						t3lib_div::writeFile(PATH_site.'typo3temp/extensions.xml.gz', $extXML);
						$content .= $this->xmlhandler->parseExtensionsXML(PATH_site.'typo3temp/extensions.xml.gz');
					}
				}
				break;
		}

		return $content;
	}

	/**
	 * Returns the base URL for the slected or a random mirror.
	 *
	 * @return	string		The URL for the selected or a random mirror
	 */
	function getMirrorURL() {
		if(strlen($this->MOD_SETTINGS['rep_url'])) return $this->MOD_SETTINGS['rep_url'];

		$mirrors = unserialize($this->MOD_SETTINGS['extMirrors']);
		if(!is_array($mirrors)) {
			$this->fetchMetaData('mirrors');
			$mirrors = unserialize($this->MOD_SETTINGS['extMirrors']);
			if(!is_array($mirrors)) return false;
		}
		if($this->MOD_SETTINGS['selectedMirror']=='') {
			$rand = array_rand($mirrors);
			$url = 'http://'.$mirrors[$rand]['host'].$mirrors[$rand]['path'];
		}
		else {
			$url = 'http://'.$mirrors[$this->MOD_SETTINGS['selectedMirror']]['host'].$mirrors[$this->MOD_SETTINGS['selectedMirror']]['path'];
		}

		return $url;
	}



	/**
	 * Installs (activates) an extension
	 *
	 * For $mode use the three constants EM_INSTALL_VERSION_MIN, EM_INSTALL_VERSION_MAX, EM_INSTALL_VERSION_STRICT
	 *
	 * If an extension is loaded or imported already and the version requirement is matched, it will not be
	 * fetched from the repository. This means, if you use EM_INSTALL_VERSION_MIN, you will not always get the latest
	 * version of an extension!
	 *
	 * @param	string		$extKey	The extension key to install
	 * @param	string		$version	A version number that should be installed
	 * @param	int		$mode	If a version is requested, this determines if it is the min, max or strict version requested
	 * @return	[type]		...
	 * @todo Make the method able to handle needed interaction somehow (unmatched dependencies)
	 */
	function installExtension($extKey, $version=null, $mode=EM_INSTALL_VERSION_MIN) {
		list($inst_list,) = $this->getInstalledExtensions();

			// check if it is already installed and loaded with sufficient version
		if(isset($inst_list[$extKey])) {
			$currentVersion = $inst_list[$extKey]['EM_CONF']['version'];

			if(t3lib_extMgm::isLoaded($extKey)) {
				if($version===null) {
					return array(true, $GLOBALS['LANG']->getLL('ext_import_ext_already_installed_loaded'));
				} else {
					switch($mode) {
						case EM_INSTALL_VERSION_STRICT:
							if ($currentVersion == $version)	{
								return array(true, $GLOBALS['LANG']->getLL('ext_import_ext_already_installed_loaded'));
							}
							break;
						case EM_INSTALL_VERSION_MIN:
							if (version_compare($currentVersion, $version, '>='))	{
								return array(true, $GLOBALS['LANG']->getLL('ext_import_ext_already_installed_loaded'));
							}
							break;
						case EM_INSTALL_VERSION_MAX:
							if (version_compare($currentVersion, $version, '<='))	{
								return array(true, $GLOBALS['LANG']->getLL('ext_import_ext_already_installed_loaded'));
							}
							break;
					}
				}
			} else {
				if (!t3lib_extMgm::isLocalconfWritable())	{
					return array(false, $GLOBALS['LANG']->getLL('ext_import_p_localconf'));
				}
				$newExtList = -1;
				switch($mode) {
					case EM_INSTALL_VERSION_STRICT:
						if ($currentVersion == $version)	{
							$newExtList = $this->addExtToList($extKey, $inst_list);
						}
						break;
					case EM_INSTALL_VERSION_MIN:
						if (version_compare($currentVersion, $version, '>='))	{
							$newExtList = $this->addExtToList($extKey, $inst_list);
						}
						break;
					case EM_INSTALL_VERSION_MAX:
						if (version_compare($currentVersion, $version, '<='))	{
							$newExtList = $this->addExtToList($extKey, $inst_list);
						}
						break;
				}
				if ($newExtList!=-1)	{
					$this->writeNewExtensionList($newExtList);
					$this->refreshGlobalExtList();
					$this->forceDBupdates($extKey, $inst_list[$extKey]);
					return array(true, $GLOBALS['LANG']->getLL('ext_import_ext_loaded'));
				}
			}
		}

			// at this point we know we need to import (a matching version of) the extension from TER2

			// see if we have an extension list at all
		if (!$this->xmlhandler->countExtensions())	{
			$this->fetchMetaData('extensions');
		}
		$this->xmlhandler->searchExtensionsXMLExact($extKey, '', '', TRUE, TRUE);

			// check if extension can be fetched
		if(isset($this->xmlhandler->extensionsXML[$extKey])) {
			$versions = array_keys($this->xmlhandler->extensionsXML[$extKey]['versions']);
			$latestVersion = end($versions);
			switch($mode) {
				case EM_INSTALL_VERSION_STRICT:
					if(!isset($this->xmlhandler->extensionsXML[$extKey]['versions'][$version])) {
						return array(false, $GLOBALS['LANG']->getLL('ext_import_ext_n_a'));
					}
					break;
				case EM_INSTALL_VERSION_MIN:
					if (version_compare($latestVersion, $version, '>='))	{
						$version = $latestVersion;
					} else {
						return array(false, $GLOBALS['LANG']->getLL('ext_import_ext_n_a'));
					}
					break;
				case EM_INSTALL_VERSION_MAX:
					while (($v = array_pop($versions)) && version_compare($v, $version, '>='))	{
						// Loop until a version is found
					}

					if ($v !== null && version_compare($v, $version, '<='))	{
						$version = $v;
					} else {
						return array(false, $GLOBALS['LANG']->getLL('ext_import_ext_n_a'));
					}
					break;
			}
			$this->importExtFromRep($extKey, $version, 'L');
			$newExtList = $this->addExtToList($extKey, $inst_list);
			if ($newExtList!=-1)	{
				$this->writeNewExtensionList($newExtList);
				$this->refreshGlobalExtList();
				$this->forceDBupdates($extKey, $inst_list[$extKey]);
				$this->installTranslationsForExtension($extKey, $this->getMirrorURL());
				return array(true, $GLOBALS['LANG']->getLL('ext_import_ext_imported'));
			} else {
				return array(false, $GLOBALS['LANG']->getLL('ext_import_ext_not_loaded'));
			}
		} else {
			return array(false, $GLOBALS['LANG']->getLL('ext_import_ext_n_a_rep'));
		}
	}

	function refreshGlobalExtList() {
		global $TYPO3_LOADED_EXT;

		$TYPO3_LOADED_EXT = t3lib_extMgm::typo3_loadExtensions();
		if ($TYPO3_LOADED_EXT['_CACHEFILE'])    {
			require(PATH_typo3conf.$TYPO3_LOADED_EXT['_CACHEFILE'].'_ext_localconf.php');
		}
		return;

		$GLOBALS['TYPO3_LOADED_EXT'] = t3lib_extMgm::typo3_loadExtensions();
		if ($TYPO3_LOADED_EXT['_CACHEFILE'])    {
			require(PATH_typo3conf.$TYPO3_LOADED_EXT['_CACHEFILE'].'_ext_localconf.php');
		} else {
			$temp_TYPO3_LOADED_EXT = $TYPO3_LOADED_EXT;
			foreach ($temp_TYPO3_LOADED_EXT as $_EXTKEY => $temp_lEDat) {
				if (is_array($temp_lEDat) && $temp_lEDat['ext_localconf.php'])  {
					$_EXTCONF = $TYPO3_CONF_VARS['EXT']['extConf'][$_EXTKEY];
					require($temp_lEDat['ext_localconf.php']);
				}
			}
		}
	}


	/**
	 * Imports an extensions from the online repository
	 * NOTICE: in version 4.0 this changed from "importExtFromRep_old($extRepUid,$loc,$uploadFlag=0,$directInput='',$recentTranslations=0,$incManual=0,$dontDelete=0)"
	 *
	 * @param	string		Extension key
	 * @param	string		Version
	 * @param	string		Install scope: "L" or "G" or "S"
	 * @param	boolean		If true, extension is uploaded as file
	 * @param	boolean		If true, extension directory+files will not be deleted before writing the new ones. That way custom files stored in the extension folder will be kept.
	 * @param	array		Direct input array (like from kickstarter)
	 * @return	string		Return false on success, returns error message if error.
	 */
	function importExtFromRep($extKey,$version,$loc,$uploadFlag=0,$dontDelete=0,$directInput='')	{

		$uploadSucceed = false;
		$uploadedTempFile = '';
		if (is_array($directInput))	{
			$fetchData = array($directInput,'');
			$loc = ($loc==='G'||$loc==='S') ? $loc : 'L';
		} elseif ($uploadFlag)	{
			if (($uploadedTempFile = $this->CMD['alreadyUploaded']) || $_FILES['upload_ext_file']['tmp_name'])	{

					// Read uploaded file:
				if (!$uploadedTempFile)	{
					if (!is_uploaded_file($_FILES['upload_ext_file']['tmp_name'])) {
 						t3lib_div::sysLog('Possible file upload attack: '.$_FILES['upload_ext_file']['tmp_name'], 'Extension Manager', 3);

						return $GLOBALS['LANG']->getLL('ext_import_file_not_uploaded');
					}

					$uploadedTempFile = t3lib_div::upload_to_tempfile($_FILES['upload_ext_file']['tmp_name']);
				}
				$fileContent = t3lib_div::getUrl($uploadedTempFile);

				if (!$fileContent)	return $GLOBALS['LANG']->getLL('ext_import_file_empty');

					// Decode file data:
				$fetchData = $this->terConnection->decodeExchangeData($fileContent);

				if (is_array($fetchData))	{
					$extKey = $fetchData[0]['extKey'];
					if ($extKey)	{
						if (!$this->CMD['uploadOverwrite'])	{
							$loc = ($loc==='G'||$loc==='S') ? $loc : 'L';
							$comingExtPath = PATH_site.$this->typePaths[$loc].$extKey.'/';
							if (@is_dir($comingExtPath))	{
								$flashMessage = t3lib_div::makeInstance(
									't3lib_FlashMessage',
									sprintf($GLOBALS['LANG']->getLL('ext_import_ext_present_no_overwrite'), $comingExtPath) .
										'<br />' . $GLOBALS['LANG']->getLL('ext_import_ext_present_nothing_done'),
									'',
									t3lib_FlashMessage::ERROR
								);
								return $flashMessage->render();
							}	// ... else go on, install...
						}	// ... else go on, install...
					} else return $GLOBALS['LANG']->getLL('ext_import_no_key');
				} else return sprintf($GLOBALS['LANG']->getLL('ext_import_wrong_file_format'), $fetchData);
			} else return $GLOBALS['LANG']->getLL('ext_import_no_file');
		} else {
			$this->xmlhandler->searchExtensionsXMLExact($extKey, '', '', true, true);

				// Fetch extension from TER:
			if(!strlen($version)) {
				$versions = array_keys($this->xmlhandler->extensionsXML[$extKey]['versions']);
				$version = end($versions);
			}
			$fetchData = $this->terConnection->fetchExtension($extKey, $version, $this->xmlhandler->extensionsXML[$extKey]['versions'][$version]['t3xfilemd5'], $this->getMirrorURL());
		}

		// At this point the extension data should be present; so we want to write it to disc:
		if ($this->importAsType($loc))	{
			if (is_array($fetchData))	{	// There was some data successfully transferred
				if ($fetchData[0]['extKey'] && is_array($fetchData[0]['FILES']))	{
					$extKey = $fetchData[0]['extKey'];
					if(!isset($fetchData[0]['EM_CONF']['constraints'])) $fetchData[0]['EM_CONF']['constraints'] = $this->xmlhandler->extensionsXML[$extKey]['versions'][$version]['dependencies'];
					$EM_CONF = $this->fixEMCONF($fetchData[0]['EM_CONF']);
					if (!$EM_CONF['lockType'] || !strcmp($EM_CONF['lockType'],$loc))	{
							// check dependencies, act accordingly if ext is loaded
						list($instExtInfo,)=$this->getInstalledExtensions();
						$depStatus = $this->checkDependencies($extKey, $EM_CONF, $instExtInfo);
						if(t3lib_extMgm::isLoaded($extKey) && !$depStatus['returnCode']) {
							$this->content .= $depStatus['html'];
							if ($uploadedTempFile)	{
								$this->content .= '<input type="hidden" name="CMD[alreadyUploaded]" value="'.$uploadedTempFile.'" />';
							}
						} else {
							$res = $this->clearAndMakeExtensionDir($fetchData[0],$loc,$dontDelete);
							if (is_array($res))	{
								$extDirPath = trim($res[0]);
								if ($extDirPath && @is_dir($extDirPath) && substr($extDirPath,-1)=='/')	{

									$emConfFile = $this->construct_ext_emconf_file($extKey,$EM_CONF);
									$dirs = $this->extractDirsFromFileList(array_keys($fetchData[0]['FILES']));

									$res = $this->createDirsInPath($dirs,$extDirPath);
									if (!$res)	{
										$writeFiles = $fetchData[0]['FILES'];
										$writeFiles['ext_emconf.php']['content'] = $emConfFile;
										$writeFiles['ext_emconf.php']['content_md5'] = md5($emConfFile);

											// Write files:
										foreach($writeFiles as $theFile => $fileData)	{
											t3lib_div::writeFile($extDirPath.$theFile,$fileData['content']);
											if (!@is_file($extDirPath.$theFile))	{
												$content .= sprintf($GLOBALS['LANG']->getLL('ext_import_file_not_created'),
													$extDirPath . $theFile) . '<br />';
											} elseif (md5(t3lib_div::getUrl($extDirPath.$theFile)) != $fileData['content_md5']) {
												$content .= sprintf($GLOBALS['LANG']->getLL('ext_import_file_corrupted'),
													$extDirPath . $theFile) . '<br />';
											}
										}

										t3lib_div::fixPermissions($extDirPath, TRUE);

											// No content, no errors. Create success output here:
										if (!$content)	{
											$messageContent = sprintf($GLOBALS['LANG']->getLL('ext_import_success_folder'), $extDirPath) . '<br />';

											$uploadSucceed = true;

												// Fix TYPO3_MOD_PATH for backend modules in extension:
											$modules = t3lib_div::trimExplode(',', $EM_CONF['module'], 1);
											if (count($modules))	{
												foreach($modules as $mD)	{
													$confFileName = $extDirPath . $mD . '/conf.php';
													if (@is_file($confFileName)) {
														$messageContent .= $this->writeTYPO3_MOD_PATH($confFileName, $loc, $extKey . '/' . $mD . '/') . '<br />';
													} else {
														$messageContent .= sprintf($GLOBALS['LANG']->getLL('ext_import_no_conf_file'),
														$confFileName) . '<br />';
													}
												}
											}
												// NOTICE: I used two hours trying to find out why a script, ext_emconf.php, written twice and in between included by PHP did not update correct the second time. Probably something with PHP-A cache and mtime-stamps.
												// But this order of the code works.... (using the empty Array with type, EMCONF and files hereunder).

												// Writing to ext_emconf.php:
											$sEMD5A = $this->serverExtensionMD5Array($extKey,array('type' => $loc, 'EM_CONF' => array(), 'files' => array()));
											$EM_CONF['_md5_values_when_last_written'] = serialize($sEMD5A);
											$emConfFile = $this->construct_ext_emconf_file($extKey, $EM_CONF);
											t3lib_div::writeFile($extDirPath . 'ext_emconf.php', $emConfFile);

											$messageContent .= 'ext_emconf.php: ' . $extDirPath . 'ext_emconf.php<br />';
											$messageContent .= $GLOBALS['LANG']->getLL('ext_import_ext_type') . ' ';
											$messageContent .= $this->typeLabels[$loc] . '<br />';
											$messageContent .= '<br />';

												// Remove cache files:
											$updateContent = '';
											if (t3lib_extMgm::isLoaded($extKey)) {
												if ($this->removeCacheFiles()) {
													$messageContent .= $GLOBALS['LANG']->getLL('ext_import_cache_files_removed') . '<br />';
												}

												list($new_list) = $this->getInstalledExtensions();
												$updateContent = $this->updatesForm($extKey, $new_list[$extKey], 1, 'index.php?CMD[showExt]=' . $extKey . '&SET[singleDetails]=info');
											}

											$flashMessage = t3lib_div::makeInstance(
												't3lib_FlashMessage',
												$messageContent,
												$GLOBALS['LANG']->getLL('ext_import_success')
												);
											$content = $flashMessage->render() . $updateContent;


												// Install / Uninstall:
											if(!$this->CMD['standAlone']) {
												$content .= '<h3>' . $GLOBALS['LANG']->getLL('ext_import_install_uninstall') . '</h3>';
												$content.= $new_list[$extKey] ?
													'<a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $extKey .
													'&CMD[remove]=1&CMD[clrCmd]=1&SET[singleDetails]=info') . '">' .
													$this->removeButton() . ' ' . $GLOBALS['LANG']->getLL('ext_import_uninstall') . '</a>' :
													'<a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $extKey .
													'&CMD[load]=1&CMD[clrCmd]=1&SET[singleDetails]=info') . '">' .
													$this->installButton() . ' ' . $GLOBALS['LANG']->getLL('ext_import_install') . '</a>';
											} else {
												$content = $GLOBALS['LANG']->getLL('ext_import_imported') .
													'<br /><br /><a href="javascript:opener.top.content.document.forms[0].submit();window.close();">' .
													$GLOBALS['LANG']->getLL('ext_import_close_check') . '</a>';
											}
										}
									} else $content = $res;
								} else $content = sprintf($GLOBALS['LANG']->getLL('ext_import_ext_path_different'), $extDirPath);
							} else $content = $res;
						}
					} else $content = sprintf($GLOBALS['LANG']->getLL('ext_import_ext_only_here'),
						$this->typePaths[$EM_CONF['lockType']], $EM_CONF['lockType']);
				} else $content = $GLOBALS['LANG']->getLL('ext_import_no_ext_key_files');
			}  else $content = sprintf($GLOBALS['LANG']->getLL('ext_import_data_transfer'), $fetchData);
		}  else $content = sprintf($GLOBALS['LANG']->getLL('ext_import_no_install_here'), $this->typePaths[$loc]);

		$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('ext_import_results'), $content, 0, 1);

		if ($uploadSucceed && $uploadedTempFile)	{
			t3lib_div::unlink_tempfile($uploadedTempFile);
		}

		return false;
	}

	/**
	 * Display extensions details.
	 *
	 * @param	string		Extension key
	 * @return	void		Writes content to $this->content
	 */
	function showExtDetails($extKey)	{
		global $TYPO3_LOADED_EXT;

		list($list,)=$this->getInstalledExtensions();
		$absPath = $this->getExtPath($extKey,$list[$extKey]['type']);

		// Check updateModule:
		if (isset($list[$extKey]) && @is_file($absPath.'class.ext_update.php'))	{
			require_once($absPath.'class.ext_update.php');
			$updateObj = new ext_update;
			if (!$updateObj->access())	{
				unset($this->MOD_MENU['singleDetails']['updateModule']);
			}
		} else {
			unset($this->MOD_MENU['singleDetails']['updateModule']);
		}

		if($this->CMD['doDelete']) {
			$this->MOD_MENU['singleDetails'] = array();
		}

			// Function menu here:
		if(!$this->CMD['standAlone'] && !t3lib_div::_GP('standAlone')) {
			$content = $GLOBALS['LANG']->getLL('ext_details_ext') . '&nbsp;<strong>' .
				$this->extensionTitleIconHeader($extKey, $list[$extKey]) . '</strong> (' . htmlspecialchars($extKey) . ')';
			$this->content.= $this->doc->section('', $content);
		}

			// Show extension details:
		if ($list[$extKey])	{

				// Checking if a command for install/uninstall is executed:
			if (($this->CMD['remove'] || $this->CMD['load']) && !in_array($extKey,$this->requiredExt))	{

					// Install / Uninstall extension here:
				if (t3lib_extMgm::isLocalconfWritable())	{
						// Check dependencies:
					$depStatus = $this->checkDependencies($extKey, $list[$extKey]['EM_CONF'], $list);
					if(!$this->CMD['remove'] && !$depStatus['returnCode']) {
						$this->content .= $depStatus['html'];
						$newExtList = -1;
					} elseif ($this->CMD['remove'])	{
						$newExtList = $this->removeExtFromList($extKey,$list);
					} else {
						$newExtList = $this->addExtToList($extKey,$list);
					}

					// Successful installation:
					if ($newExtList!=-1)	{
						$updates = '';
						if ($this->CMD['load'])	{
							if($_SERVER['REQUEST_METHOD'] == 'POST') {
								$script = t3lib_div::linkThisScript(array('CMD[showExt]' => $extKey, 'CMD[load]' => 1, 'CMD[clrCmd]' => $this->CMD['clrCmd'], 'SET[singleDetails]' => 'info'));
							} else {
								$script = '';
							}
							if($this->CMD['standAlone']) {
								$standaloneUpdates = '<input type="hidden" name="standAlone" value="1" />';
							}
							$depsolver = t3lib_div::_POST('depsolver');
							if(is_array($depsolver['ignore'])) {
								foreach($depsolver['ignore'] as $depK => $depV)	{
									$dependencyUpdates .= '<input type="hidden" name="depsolver[ignore]['.$depK.']" value="1" />';
								}
							}
							$updatesForm = $this->updatesForm($extKey,$list[$extKey],1,$script, $dependencyUpdates.$standaloneUpdates.'<input type="hidden" name="_do_install" value="1" /><input type="hidden" name="_clrCmd" value="'.$this->CMD['clrCmd'].'" />', TRUE);
							if ($updatesForm) {
								$updates = $GLOBALS['LANG']->getLL('ext_details_new_tables_fields') . '<br />' .
									$GLOBALS['LANG']->getLL('ext_details_new_tables_fields_select') . $updatesForm;
								$labelDBUpdate = $GLOBALS['LANG']->csConvObj->conv_case(
									$GLOBALS['LANG']->charSet,
									$GLOBALS['LANG']->getLL('ext_details_db_needs_update'),
									'toUpper'
								);
								$this->content .= $this->doc->section(
									sprintf($GLOBALS['LANG']->getLL('ext_details_installing') . ' ',
										$this->extensionTitleIconHeader($extKey, $list[$extKey])
									) . ' ' .
									$labelDBUpdate,
									$updates, 1, 1, 1, 1
								);
							}
						} elseif ($this->CMD['remove']) {
							$updates.= $this->checkClearCache($list[$extKey]);
							if ($updates)	{
								$updates = '
								<form action="'.t3lib_div::linkThisScript().'" method="post">'.$updates.'
								<br /><input type="submit" name="write" value="' .
									$GLOBALS['LANG']->getLL('ext_details_remove_ext') . '" />
								<input type="hidden" name="_do_install" value="1" />
								<input type="hidden" name="_clrCmd" value="'.$this->CMD['clrCmd'].'" />
								<input type="hidden" name="standAlone" value="'.$this->CMD['standAlone'].'" />
								</form>';
								$labelDBUpdate = $GLOBALS['LANG']->csConvObj->conv_case(
									$GLOBALS['LANG']->charSet,
									$GLOBALS['LANG']->getLL('ext_details_db_needs_update'),
									'toUpper'
								);
								$this->content .= $this->doc->section(
									sprintf($GLOBALS['LANG']->getLL('ext_details_removing') . ' ',
										$this->extensionTitleIconHeader($extKey, $list[$extKey])
									) . ' ' .
									$labelDBUpdate,
									$updates, 1, 1, 1, 1
								);
							}
						}
						if (!$updates || t3lib_div::_GP('_do_install')) {
							$this->writeNewExtensionList($newExtList);
							$action = $this->CMD['load'] ? 'installed' : 'removed';
							$GLOBALS['BE_USER']->writelog(5, 1, 0, 0, 'Extension list has been changed, extension %s has been %s', array($extKey, $action));

							$messageLabel = 'ext_details_ext_' . $action . '_with_key';
							$flashMessage = t3lib_div::makeInstance(
								't3lib_FlashMessage',
								sprintf($GLOBALS['LANG']->getLL($messageLabel), $extKey),
								'',
								t3lib_FlashMessage::OK,
								TRUE
							);
							t3lib_FlashMessageQueue::addMessage($flashMessage);

							if ($this->CMD['clrCmd'] || t3lib_div::_GP('_clrCmd'))	{
								if ($this->CMD['load'] && @is_file($absPath.'ext_conf_template.txt')) {
									$vA = array('CMD'=>Array('showExt'=>$extKey));
								} else {
									$vA = array('CMD'=>'');
								}
							} else {
								$vA = array('CMD'=>Array('showExt'=>$extKey));
							}
							if($this->CMD['standAlone'] || t3lib_div::_GP('standAlone')) {
								$this->content .= sprintf($GLOBALS['LANG']->getLL('ext_details_ext_installed_removed'),
										($this->CMD['load'] ?
											$GLOBALS['LANG']->getLL('ext_details_installed') :
											$GLOBALS['LANG']->getLL('ext_details_removed')
										)
									) .
									'<br /><br /><a href="javascript:opener.top.content.document.forms[0].submit();window.close();">' .
									$GLOBALS['LANG']->getLL('ext_import_close_check') . '</a>';
							} else {
									// Determine if new modules were installed:
								$techInfo = $this->makeDetailedExtensionAnalysis($extKey, $list[$extKey]);
								if (($this->CMD['load'] || $this->CMD['remove']) && is_array($techInfo['flags']) && in_array('Module', $techInfo['flags'], true)) {
									$vA['CMD']['refreshMenu'] = 1;
								}
								t3lib_utility_Http::redirect(t3lib_div::linkThisScript($vA));
							}
						}
					}
				} else {
					$writeAccessError = $GLOBALS['LANG']->csConvObj->conv_case(
						$GLOBALS['LANG']->charSet,
						$GLOBALS['LANG']->getLL('ext_details_write_access_error'),
						'toUpper'
					);
					$this->content .= $this->doc->section(
						sprintf($GLOBALS['LANG']->getLL('ext_details_installing') . ' ',
							$this->extensionTitleIconHeader($extKey, $list[$extKey])
						) . ' ' .
						$writeAccessError,
						$GLOBALS['LANG']->getLL('ext_details_write_error_localconf'),
						1, 1, 2, 1
					);
				}

			} elseif ($this->CMD['downloadFile'] && !in_array($extKey,$this->requiredExt))	{

				// Link for downloading extension has been clicked - deliver content stream:
				$dlFile = $this->CMD['downloadFile'];
				if (t3lib_div::isFirstPartOfStr($dlFile,PATH_site) && t3lib_div::isFirstPartOfStr($dlFile,$absPath) && @is_file($dlFile))	{
					$mimeType = 'application/octet-stream';
					Header('Content-Type: '.$mimeType);
					Header('Content-Disposition: attachment; filename='.basename($dlFile));
					echo t3lib_div::getUrl($dlFile);
					exit;
				} else {
					throw new RuntimeException(
						'TYPO3 Fatal Error: ' . $GLOBALS['LANG']->getLL('ext_details_error_downloading'),
						1270853980
					);
				}

			} elseif ($this->CMD['editFile'] && !in_array($extKey,$this->requiredExt))	{

				// Editing extension file:
				$editFile = $this->CMD['editFile'];
				if (t3lib_div::isAllowedAbsPath($editFile) && t3lib_div::isFirstPartOfStr($editFile, $absPath)) {

					$fI = t3lib_div::split_fileref($editFile);
					if (@is_file($editFile) && t3lib_div::inList($this->editTextExtensions,($fI['fileext']?$fI['fileext']:$fI['filebody'])))	{
						if (filesize($editFile)<($this->kbMax*1024))	{
							$outCode = '<form action="index.php" method="post" name="editfileform">';
							$info = '';
							$submittedContent = t3lib_div::_POST('edit');
							$saveFlag = 0;

							if(isset($submittedContent['file']) && !$GLOBALS['TYPO3_CONF_VARS']['EXT']['noEdit'])	{		// Check referer here?
								$oldFileContent = t3lib_div::getUrl($editFile);
								if($oldFileContent != $submittedContent['file']) {
									$oldMD5 = md5(str_replace(CR,'',$oldFileContent));
									$info .= sprintf(
										$GLOBALS['LANG']->getLL('ext_details_md5_previous'),
										'<strong>' . $oldMD5 . '</strong>'
									) . '<br />';
									t3lib_div::writeFile($editFile,$submittedContent['file']);
									$saveFlag = 1;
								} else {
									$info .= $GLOBALS['LANG']->getLL('ext_details_no_changes') . '<br />';
								}
							}

							$fileContent = t3lib_div::getUrl($editFile);

							$outCode.= sprintf(
								$GLOBALS['LANG']->getLL('ext_details_file'),
								'<strong>' . substr($editFile, strlen($absPath)) . '</strong> (' .
									t3lib_div::formatSize(filesize($editFile)) . ')<br />'
							);
							$fileMD5 = md5(str_replace(CR,'',$fileContent));
							$info .= sprintf(
								$GLOBALS['LANG']->getLL('ext_details_md5_current'),
								'<strong>' . $fileMD5 . '</strong>'
							) . '<br />';
							if($saveFlag)	{
								$saveMD5 = md5(str_replace(CR,'',$submittedContent['file']));
								$info .= sprintf(
									$GLOBALS['LANG']->getLL('ext_details_md5_submitted'),
									'<strong>' . $saveMD5 . '</strong>'
								) . '<br />';
								if ($fileMD5!=$saveMD5) {
									$info .= $GLOBALS['TBE_TEMPLATE']->rfw(
										'<br /><strong>' . $GLOBALS['LANG']->getLL('ext_details_saving_failed_changes_lost') . '</strong>'
									) . '<br />';
								}
								else {
									$info .= $GLOBALS['TBE_TEMPLATE']->rfw(
										'<br /><strong>' . $GLOBALS['LANG']->getLL('ext_details_file_saved') . '</strong>'
									) . '<br />';
								}
							}

							$outCode.= '<textarea name="edit[file]" rows="35" wrap="off"'.$this->doc->formWidthText(48,'width:98%;height:70%','off').' class="fixed-font enable-tab">'.t3lib_div::formatForTextarea($fileContent).'</textarea>';
							$outCode.= '<input type="hidden" name="edit[filename]" value="'.$editFile.'" />';
							$outCode.= '<input type="hidden" name="CMD[editFile]" value="'.htmlspecialchars($editFile).'" />';
							$outCode.= '<input type="hidden" name="CMD[showExt]" value="'.$extKey.'" />';
							$outCode.= $info;

							if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['noEdit'])	{
								$outCode .= '<br /><input type="submit" name="save_file" value="' .
									$GLOBALS['LANG']->getLL('ext_details_file_save_button') . '" />';
							}
							else {
								$outCode .= $GLOBALS['TBE_TEMPLATE']->rfw(
										'<br />' . $GLOBALS['LANG']->getLL('ext_details_saving_disabled') . ' '
								);
							}

							$onClick = 'window.location.href=\'index.php?CMD[showExt]='.$extKey.'\';return false;';
							$outCode .= '<input type="submit" name="cancel" value="' .
									$GLOBALS['LANG']->getLL('ext_details_cancel_button') . '" onclick="' .
									htmlspecialchars($onClick) . '" /></form>';

							$theOutput.=$this->doc->spacer(15);
							$theOutput .= $this->doc->section($GLOBALS['LANG']->getLL('ext_details_edit_file'), '', 0, 1);
							$theOutput.=$this->doc->sectionEnd().$outCode;
							$this->content.=$theOutput;
						} else {
							$theOutput.=$this->doc->spacer(15);
							$theOutput .= $this->doc->section(
								sprintf(
									$GLOBALS['LANG']->getLL('ext_details_filesize_exceeded_kb'),
									$this->kbMax
								),
								sprintf(
									$GLOBALS['LANG']->getLL('ext_details_file_too_large'),
									$this->kbMax
								)
							);
						}
					}
				} else {
					die (sprintf($GLOBALS['LANG']->getLL('ext_details_fatal_edit_error'),
							htmlspecialchars($editFile)
						)
					);
				}
			} else {

				// MAIN:
				switch((string)$this->MOD_SETTINGS['singleDetails'])	{
					case 'info':
						// Loaded / Not loaded:
						if (!in_array($extKey,$this->requiredExt))	{
							if ($TYPO3_LOADED_EXT[$extKey])	{
								$content = '<strong>' . $GLOBALS['LANG']->getLL('ext_details_loaded_and_running') . '</strong><br />' .
									'<a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $extKey . '&CMD[remove]=1') .
									'">' . $GLOBALS['LANG']->getLL('ext_details_remove_button') . ' ' . $this->removeButton() . '</a>';
							} else {
								$content = $GLOBALS['LANG']->getLL('ext_details_not_loaded') . '<br />'.
									'<a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $extKey . '&CMD[load]=1') .
									'">' . $GLOBALS['LANG']->getLL('ext_details_install_button') . ' ' . $this->installButton() . '</a>';
							}
						} else {
							$content = $GLOBALS['LANG']->getLL('ext_details_always_loaded');
						}
						$this->content.=$this->doc->spacer(10);
						$this->content .= $this->doc->section(
							$GLOBALS['LANG']->getLL('ext_details_current_status'), $content, 0, 1
						);

						if (t3lib_extMgm::isLoaded($extKey))	{
							$updates=$this->updatesForm($extKey,$list[$extKey]);
							if ($updates)	{
								$this->content.=$this->doc->spacer(10);
								$this->content .= $this->doc->section(
									$GLOBALS['LANG']->getLL('ext_details_update_needed'),
									$updates . '<br /><br />' . $GLOBALS['LANG']->getLL('ext_details_notice_static_data'),
									0, 1
								);
							}
						}

						// Config:
						if (@is_file($absPath.'ext_conf_template.txt'))	{
							$this->content.=$this->doc->spacer(10);
							$this->content .= $this->doc->section(
								$GLOBALS['LANG']->getLL('ext_details_configuration'),
								$GLOBALS['LANG']->getLL('ext_details_notice_clear_cache') . '<br /><br />',
								0, 1
							);

							$this->tsStyleConfigForm($extKey, $list[$extKey]);
						}

						// Show details:
						$content = t3lib_BEfunc::cshItem('_MOD_tools_em', 'info', $GLOBALS['BACK_PATH'], '|<br />');
						$content.= $this->extInformationArray($extKey,$list[$extKey]);

						$this->content.=$this->doc->spacer(10);
						$this->content .= $this->doc->section(
							$GLOBALS['LANG']->getLL('ext_details_details'), $content, 0, 1
						);
						break;
					case 'upload':
						$em = t3lib_div::_POST('em');
						if($em['action'] == 'doUpload') {
							$em['extKey'] = $extKey;
							$em['extInfo'] = $list[$extKey];
							$content = $this->uploadExtensionToTER($em);
							$content .= $this->doc->spacer(10);
								// Must reload this, because EM_CONF information has been updated!
							list($list,)=$this->getInstalledExtensions();
						} else {
								// CSH:
							$content = t3lib_BEfunc::cshItem('_MOD_tools_em', 'upload', $GLOBALS['BACK_PATH'], '|<br />');

								// Upload:
							if (substr($extKey,0,5)!='user_')	{
								$content.= $this->getRepositoryUploadForm($extKey,$list[$extKey]);
								$eC=0;
							} else {
								$content .= $GLOBALS['LANG']->getLL('ext_details_no_unique_ext');
								$eC=2;
							}
							if (!$this->fe_user['username'])	{
								$flashMessage = t3lib_div::makeInstance(
									't3lib_FlashMessage',
									sprintf($GLOBALS['LANG']->getLL('ext_details_no_username'),
										'<a href="index.php?SET[function]=3">', '</a>'
									),
									'',
									t3lib_FlashMessage::INFO
								);
								$content .= '<br />' . $flashMessage->render();

							}
						}
						$this->content .= $this->doc->section(
							$GLOBALS['LANG']->getLL('ext_details_upload_to_ter'),
							$content, 0, 1, $eC
						);
						break;
					case 'backup':
						if($this->CMD['doDelete']) {
							$content = $this->extDelete($extKey,$list[$extKey]);
							$this->content .= $this->doc->section(
								$GLOBALS['LANG']->getLL('ext_details_delete'),
								$content, 0, 1
							);
						} else {
							$csh = t3lib_BEfunc::cshItem('_MOD_tools_em', 'backup_delete', $GLOBALS['BACK_PATH'], '|<br />');
							$content = $this->extBackup($extKey, $list[$extKey]);
							$this->content .= $this->doc->section(
								$GLOBALS['LANG']->getLL('ext_details_backup') . '&nbsp;' . $csh,
								$content, 0, 1, 0, 1
							);

							$content = $this->extDelete($extKey,$list[$extKey]);
							$this->content .= $this->doc->section(
								$GLOBALS['LANG']->getLL('ext_details_delete'),
								$content, 0, 1
							);

							$content = $this->extUpdateEMCONF($extKey,$list[$extKey]);
							$this->content .= $this->doc->section(
								$GLOBALS['LANG']->getLL('ext_details_update_em_conf'),
								$content, 0, 1
							);
						}
						break;
					case 'dump':
						$this->extDumpTables($extKey,$list[$extKey]);
						break;
					case 'edit':
						$content = t3lib_BEfunc::cshItem('_MOD_tools_em', 'editfiles', $GLOBALS['BACK_PATH'], '|<br />');
						$content.= $this->getFileListOfExtension($extKey,$list[$extKey]);

						$this->content.=$this->doc->section(
							$GLOBALS['LANG']->getLL('ext_details_ext_files'),
							$content, 0, 1
						);
						break;
					case 'updateModule':
						$this->content .= $this->doc->section(
							$GLOBALS['LANG']->getLL('ext_details_update'),
							is_object($updateObj) ?
								$updateObj->main() :
								$GLOBALS['LANG']->getLL('ext_details_no_update_object'),
							0, 1
						);
						break;
					default:
						$this->extObjContent();
						break;
				}
			}
		}
	}

	/**
	 * Outputs a screen from where you can install multiple extensions in one go
	 * This can be called from external modules with "...index.php?CMD[requestInstallExtensions]=
	 *
	 * @param	string		Comma list of extension keys to install. Renders a screen with checkboxes for all extensions not already imported or installed
	 * @return	void
	 */
	function requestInstallExtensions($extList)	{

			// Return URL:
		$returnUrl = t3lib_div::sanitizeLocalUrl(t3lib_div::_GP('returnUrl'));
		$installOrImportExtension = t3lib_div::_POST('installOrImportExtension');

			// Extension List:
		$extArray = explode(',',$extList);
		$outputRow = array();
		$outputRow[] = '
			<tr class="t3-row-header tableheader">
				<td>' . $GLOBALS['LANG']->getLL('reqInstExt_install_import') . '</td>
				<td>' . $GLOBALS['LANG']->getLL('reqInstExt_ext_key') . '</td>
			</tr>
		';

		foreach($extArray as $extKey)	{

				// Check for the request:
			if ($installOrImportExtension[$extKey])	{
				$this->installExtension($extKey);
			}

				// Display:
			if (!t3lib_extMgm::isLoaded($extKey))	{
				$outputRow[] = '
				<tr class="bgColor4">
					<td><input type="checkbox" name="'.htmlspecialchars('installOrImportExtension['.$extKey.']').'" value="1" checked="checked" id="check_'.$extKey.'" /></td>
					<td><label for="check_'.$extKey.'">'.htmlspecialchars($extKey).'</label></td>
				</tr>
				';
			}
		}

		if (count($outputRow)>1 || !$returnUrl)	{
			$content = '
				<!-- ending page form ... -->
			<form action="'.htmlspecialchars(t3lib_div::getIndpEnv('REQUEST_URI')).'" method="post">
				<table border="0" cellpadding="1" cellspacing="1">'.implode('',$outputRow).'</table>
			<input type="submit" name="_" value="' . $GLOBALS['LANG']->getLL('reqInstExt_import_install_selected') . '" />
			</form>';

			if ($returnUrl)	{
				$content.= '
				<br />
				<br />
				<a href="' . htmlspecialchars($returnUrl) . '">' . $GLOBALS['LANG']->getLL('reqInstExt_return') . '</a>
				';
			}

			$this->content.= $this->doc->section(
				$GLOBALS['LANG']->getLL('reqInstExt_imp_inst_ext'), $content, 0, 1
			);
		} else {
			t3lib_utility_Http::redirect($returnUrl);
		}
	}








	/***********************************
	*
	* Application Sub-functions (HTML parts)
	*
	**********************************/

	/**
	 * Creates a form for an extension which contains all options for configuration, updates of database, clearing of cache etc.
	 * This form is shown when
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @param	boolean		If set, the form will ONLY show if fields/tables should be updated (suppressing forms like general configuration and cache clearing).
	 * @param	string		Alternative action=""-script
	 * @param	string		HTML: Additional form fields
	 * @return	string		HTML
	 */
	function updatesForm($extKey,$extInfo,$notSilent=0,$script='',$addFields='')	{
		$script = $script ? $script : t3lib_div::linkThisScript();
		$updates.= $this->checkDBupdates($extKey,$extInfo);
		$uCache = $this->checkClearCache($extInfo);
		if ($notSilent)	$updates.= $uCache;
		$updates.= $this->checkUploadFolder($extKey,$extInfo);

		$absPath = $this->getExtPath($extKey, $extInfo['type']);
		if ($notSilent && @is_file($absPath.'ext_conf_template.txt')) {
			$configForm = $this->tsStyleConfigForm($extKey, $extInfo, 1, $script, $updates.$addFields.'<br />');
		}

		if ($updates || $configForm) {
			if ($configForm) {
				$updates = '</form>'.$configForm.'<form action="'.htmlspecialchars($script).'">';
			} else {
				$updates = '</form><form action="'.htmlspecialchars($script).'" method="post">'.$updates.$addFields.'
					<br /><input type="submit" name="write" value="' . $GLOBALS['LANG']->getLL('updatesForm_make_updates') . '" />
				';
			}
		}

		return $updates;
	}

	/**
	 * Creates view for dumping static tables and table/fields structures...
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	void
	 */
	function extDumpTables($extKey,$extInfo)	{

		// Get dbInfo which holds the structure known from the tables.sql file
		$techInfo = $this->makeDetailedExtensionAnalysis($extKey,$extInfo);
		$absPath = $this->getExtPath($extKey,$extInfo['type']);

		// Static tables:
		if (is_array($techInfo['static']))	{
			if ($this->CMD['writeSTATICdump'])	{	// Writing static dump:
				$writeFile = $absPath.'ext_tables_static+adt.sql';
				if (@is_file($writeFile))	{
					$dump_static = $this->dumpStaticTables(implode(',',$techInfo['static']));
					t3lib_div::writeFile($writeFile,$dump_static);
					$this->content .= $this->doc->section(
						$GLOBALS['LANG']->getLL('extDumpTables_tables_fields'),
						sprintf($GLOBALS['LANG']->getLL('extDumpTables_bytes_written_to'),
							t3lib_div::formatSize(strlen($dump_static)),
							substr($writeFile, strlen(PATH_site))
						),
						0, 1
					);
				}
			} else {	// Showing info about what tables to dump - and giving the link to execute it.
				$msg = $GLOBALS['LANG']->getLL('extDumpTables_dumping_content') . '<br />';
				$msg.= '<br />'.implode('<br />',$techInfo['static']).'<br />';

				// ... then feed that to this function which will make new CREATE statements of the same fields but based on the current database content.
				$this->content .= $this->doc->section(
					$GLOBALS['LANG']->getLL('extDumpTables_static_tables'),
					$msg . '<hr /><strong><a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $extKey .
					'&CMD[writeSTATICdump]=1') . '">' . $GLOBALS['LANG']->getLL('extDumpTables_write_static') . '</a></strong>',
					0, 1
				);
				$this->content.=$this->doc->spacer(20);
			}
		}

		// Table and field definitions:
		if (is_array($techInfo['dump_tf']))	{
			$dump_tf_array = $this->getTableAndFieldStructure($techInfo['dump_tf']);
			$dump_tf = $this->dumpTableAndFieldStructure($dump_tf_array);
			if ($this->CMD['writeTFdump'])	{
				$writeFile = $absPath.'ext_tables.sql';
				if (@is_file($writeFile))	{
					t3lib_div::writeFile($writeFile,$dump_tf);
					$this->content .= $this->doc->section(
						$GLOBALS['LANG']->getLL('extDumpTables_tables_fields'),
						sprintf($GLOBALS['LANG']->getLL('extDumpTables_bytes_written_to'),
							t3lib_div::formatSize(strlen($dump_tf)),
							substr($writeFile, strlen(PATH_site))
						),
						0, 1
					);
				}
			} else {
				$msg = $GLOBALS['LANG']->getLL('extDumpTables_dumping_db_structure') . '<br />';
				if (is_array($techInfo['tables']))	{
					$msg .= '<br /><strong>' . $GLOBALS['LANG']->getLL('extDumpTables_tables') . '</strong><br />' .
						implode('<br />', $techInfo['tables']) . '<br />';
				}
				if (is_array($techInfo['fields']))	{
					$msg .= '<br /><strong>' . $GLOBALS['LANG']->getLL('extDumpTables_solo_fields') . '</strong><br />' .
						implode('<br />', $techInfo['fields']) . '<br />';
				}

				// ... then feed that to this function which will make new CREATE statements of the same fields but based on the current database content.
				$this->content.=$this->doc->section(
					$GLOBALS['LANG']->getLL('extDumpTables_tables_fields'),
					$msg . '<hr /><strong><a href="' . htmlspecialchars('index.php?CMD[showExt]=' .
						$extKey . '&CMD[writeTFdump]=1') .
						'">' . $GLOBALS['LANG']->getLL('extDumpTables_write_dump') . '</a></strong><hr />
						<pre>' . htmlspecialchars($dump_tf) . '</pre>',
					0, 1
				);


				$details = '							' . $GLOBALS['LANG']->getLL('extDumpTables_based_on') . '<br />
				<ul>
				<li>' . $GLOBALS['LANG']->getLL('extDumpTables_based_on_one') . '</li>
				<li>' . $GLOBALS['LANG']->getLL('extDumpTables_based_on_two') . '</li>
				</ul>
				' . $GLOBALS['LANG']->getLL('extDumpTables_bottomline') . '<br />';
				$this->content.=$this->doc->section('',$details);
			}
		}
	}

	/**
	 * Returns file-listing of an extension
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	string		HTML table.
	 */
	function getFileListOfExtension($extKey,$conf)	{
		$content = '';
		$extPath = $this->getExtPath($extKey,$conf['type']);

		if ($extPath)	{
			// Read files:
			$fileArr = array();
			$fileArr = t3lib_div::getAllFilesAndFoldersInPath($fileArr,$extPath,'',0,99,$this->excludeForPackaging);

			// Start table:
			$lines = array();
			$totalSize = 0;

			// Header:
			$lines[] = '
				<tr class="t3-row-header">
					<td>' . $GLOBALS['LANG']->getLL('extFileList_file') . '</td>
					<td>' . $GLOBALS['LANG']->getLL('extFileList_size') . '</td>
					<td>' . $GLOBALS['LANG']->getLL('extFileList_edit') . '</td>
				</tr>';

			foreach($fileArr as $file)	{
				$fI = t3lib_div::split_fileref($file);
				$lines[] = '
				<tr class="bgColor4">
					<td><a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $extKey .
						'&CMD[downloadFile]=' . rawurlencode($file)) .
						'" title="' . $GLOBALS['LANG']->getLL('extFileList_download') . '">' .
						substr($file, strlen($extPath)) . '</a></td>
					<td>'.t3lib_div::formatSize(filesize($file)).'</td>
					<td>' . (!in_array($extKey, $this->requiredExt) &&
								t3lib_div::inList($this->editTextExtensions,
									($fI['fileext'] ? $fI['fileext'] : $fI['filebody'])) ?
										'<a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $extKey .
										'&CMD[editFile]=' . rawurlencode($file)) . '">' .
										$GLOBALS['LANG']->getLL('extFileList_edit_file') . '</a>' : ''
							) . '</td>
				</tr>';
				$totalSize+=filesize($file);
			}

			$lines[] = '
				<tr class="bgColor6">
					<td><strong>' . $GLOBALS['LANG']->getLL('extFileList_total') . '</strong></td>
					<td><strong>'.t3lib_div::formatSize($totalSize).'</strong></td>
					<td>&nbsp;</td>
				</tr>';

			$content = '
			Path: '.$extPath.'<br /><br />
			<table border="0" cellpadding="1" cellspacing="2">'.implode('',$lines).'</table>';
		}

		return $content;
	}

	/**
	 * Delete extension from the file system
	 *
	 * @param	string		Extension key
	 * @param	array		Extension info array
	 * @return	string		Returns message string about the status of the operation
	 */
	function extDelete($extKey,$extInfo)	{
		$absPath = $this->getExtPath($extKey,$extInfo['type']);
		if (t3lib_extMgm::isLoaded($extKey))	{
			return $GLOBALS['LANG']->getLL('extDelete_ext_active');
		} elseif (!$this->deleteAsType($extInfo['type'])) {
			return sprintf($GLOBALS['LANG']->getLL('extDelete_wrong_scope'),
				$this->typeLabels[$extInfo['type']]
			);
		} elseif (t3lib_div::inList('G,L',$extInfo['type'])) {
			if ($this->CMD['doDelete'] && !strcmp($absPath,$this->CMD['absPath'])) {
				$res = $this->removeExtDirectory($absPath);
				if ($res) {
					$flashMessage = t3lib_div::makeInstance(
						't3lib_FlashMessage',
						nl2br($res),
						sprintf($GLOBALS['LANG']->getLL('extDelete_remove_dir_failed'), $absPath),
						t3lib_FlashMessage::ERROR
					);
					return $flashMessage->render();
				} else {
					$flashMessage = t3lib_div::makeInstance(
						't3lib_FlashMessage',
						sprintf($GLOBALS['LANG']->getLL('extDelete_removed'), $absPath),
						$GLOBALS['LANG']->getLL('extDelete_removed_header'),
						t3lib_FlashMessage::OK
					);
					return $flashMessage->render();
				}
			} else {
				$areYouSure = $GLOBALS['LANG']->getLL('extDelete_sure');
				$deleteFromServer = $GLOBALS['LANG']->getLL('extDelete_from_server');
				$onClick = "if (confirm('$areYouSure')) {window.location.href='index.php?CMD[showExt]=" .
					$extKey . '&CMD[doDelete]=1&CMD[absPath]=' . rawurlencode($absPath) . "';}";
				$content .= '<a class="t3-link" href="#" onclick="' . htmlspecialchars($onClick) .
					' return false;"><strong>' . $deleteFromServer . '</strong> ' .
					sprintf($GLOBALS['LANG']->getLL('extDelete_from_location'),
						$this->typeLabels[$extInfo['type']],
						substr($absPath,strlen(PATH_site))
					) . '</a>';
				$content .= '<br /><br />' . $GLOBALS['LANG']->getLL('extDelete_backup');
				return $content;
			}
		} else return $GLOBALS['LANG']->getLL('extDelete_neither_global_nor_local');
	}

	/**
	 * Update extension EM_CONF...
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	string		HTML content.
	 */
	function extUpdateEMCONF($extKey,$extInfo)	{
		$absPath = $this->getExtPath($extKey,$extInfo['type']);
		if ($this->CMD['doUpdateEMCONF']) {
			return $this->updateLocalEM_CONF($extKey,$extInfo);
		} else {
			$sure = $GLOBALS['LANG']->getLL('extUpdateEMCONF_sure');
			$updateEMConf = $GLOBALS['LANG']->getLL('extUpdateEMCONF_file');
			$onClick = "if (confirm('$sure')) {window.location.href='index.php?CMD[showExt]=" .
				$extKey . "&CMD[doUpdateEMCONF]=1';}";
			$content .= '<a class="t3-link" href="#" onclick="' . htmlspecialchars($onClick) .
				' return false;"><strong>' . $updateEMConf . '</strong> ' .
				sprintf($GLOBALS['LANG']->getLL('extDelete_from_location'),
					$this->typeLabels[$extInfo['type']],
					substr($absPath, strlen(PATH_site))
				) . '</a>';
			$content .= '<br /><br />' . $GLOBALS['LANG']->getLL('extUpdateEMCONF_info_changes') . '<br />
						' . $GLOBALS['LANG']->getLL('extUpdateEMCONF_info_reset');
			return $content;
		}
	}

	/**
	 * Download extension as file / make backup
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	string		HTML content
	 */
	function extBackup($extKey,$extInfo)	{
		$uArr = $this->makeUploadArray($extKey,$extInfo);
		if (is_array($uArr))	{
			$backUpData = $this->terConnection->makeUploadDataFromArray($uArr);
			$filename = 'T3X_'.$extKey.'-'.str_replace('.','_',$extInfo['EM_CONF']['version']).'-z-'.date('YmdHi').'.t3x';
			if (intval($this->CMD['doBackup'])==1)	{
				header('Content-Type: application/octet-stream');
				header('Content-Disposition: attachment; filename='.$filename);
				echo $backUpData;
				exit;
			} elseif ($this->CMD['dumpTables'])	{
				$filename='T3X_'.$extKey;
				$cTables = count(explode(',',$this->CMD['dumpTables']));
				if ($cTables>1)	{
					$filename.='-'.$cTables.'tables';
				} else {
					$filename.='-'.$this->CMD['dumpTables'];
				}
				$filename.='+adt.sql';

				header('Content-Type: application/octet-stream');
				header('Content-Disposition: attachment; filename='.$filename);
				echo $this->dumpStaticTables($this->CMD['dumpTables']);
				exit;
			} else {
				$techInfo = $this->makeDetailedExtensionAnalysis($extKey,$extInfo);
				$lines=array();
				$lines[] = '<tr class="t3-row-header"><td colspan="2">' .
					$GLOBALS['LANG']->getLL('extBackup_select') . '</td></tr>';
				$lines[]='<tr class="bgColor4"><td><strong>' .
					$GLOBALS['LANG']->getLL('extBackup_files') . '</strong></td><td>' .
					'<a class="t3-link" href="' . htmlspecialchars('index.php?CMD[doBackup]=1&CMD[showExt]=' . $extKey) .
					'">' . sprintf($GLOBALS['LANG']->getLL('extBackup_download'),
						$extKey
					) . '</a><br />
					(' . $filename . ', <br />' .
					 t3lib_div::formatSize(strlen($backUpData)) . ', <br />' .
					 $GLOBALS['LANG']->getLL('extBackup_md5') . ' ' . md5($backUpData) . ')
					<br /></td></tr>';

				if (is_array($techInfo['tables'])) {
					$lines[] = '<tr class="bgColor4"><td><strong>' . $GLOBALS['LANG']->getLL('extBackup_data_tables') .
						'</strong></td><td>' . $this->extBackup_dumpDataTablesLine($techInfo['tables'], $extKey) . '</td></tr>';
				}
				if (is_array($techInfo['static'])) {
					$lines[] = '<tr class="bgColor4"><td><strong>' . $GLOBALS['LANG']->getLL('extBackup_static_tables') .
						'</strong></td><td>' . $this->extBackup_dumpDataTablesLine($techInfo['static'], $extKey) . '</td></tr>';
				}

				$content = '<table border="0" cellpadding="2" cellspacing="2">'.implode('',$lines).'</table>';
				return $content;
			}
		} else {
			throw new RuntimeException(
				'TYPO3 Fatal Error: ' . $GLOBALS['LANG']->getLL('extBackup_unexpected_error'),
				1270853981
			);
	}
	}

	/**
	 * Link to dump of database tables
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	string		HTML
	 */
	function extBackup_dumpDataTablesLine($tablesArray,$extKey)	{
		$tables = array();
		$tablesNA = array();
		$allTables = array_keys($GLOBALS['TYPO3_DB']->admin_get_tables());

		foreach($tablesArray as $tN)	{
			if (in_array($tN, $allTables))	{
				$count = $GLOBALS['TYPO3_DB']->exec_SELECTcountRows('*', $tN);
				$tables[$tN] = '<tr><td>&nbsp;</td><td>
					<a class="t3-link" href="' . htmlspecialchars('index.php?CMD[dumpTables]=' . rawurlencode($tN) .
					 '&CMD[showExt]=' . $extKey) .
					 '" title="' .
					 sprintf($GLOBALS['LANG']->getLL('extBackup_dump_table'),
					 	$tN) .
					'">' . $tN . '</a></td><td>&nbsp;&nbsp;&nbsp;</td><td>' .
					sprintf($GLOBALS['LANG']->getLL('extBackup_number_of_records'),
						$count) . '</td></tr>';
			} else {
				$tablesNA[$tN] = '<tr><td>&nbsp;</td><td>' . $tN . '</td><td>&nbsp;</td><td>' .
					$GLOBALS['LANG']->getLL('extBackup_table_not_there') . '</td></tr>';
			}
		}
		$label = '<table border="0" cellpadding="0" cellspacing="0">'.implode('',array_merge($tables,$tablesNA)).'</table>';// Candidate for t3lib_div::array_merge() if integer-keys will some day make trouble...
		if (count($tables))	{
			$label = '<a class="t3-link" href="' . htmlspecialchars('index.php?CMD[dumpTables]=' .
				rawurlencode(implode(',', array_keys($tables))) . '&CMD[showExt]=' . $extKey) .
				'" title="' . $GLOBALS['LANG']->getLL('extBackup_dump_all_tables') . '">' .
				$GLOBALS['LANG']->getLL('extBackup_download_all_data') . '</a><br /><br />' . $label;
		}
		else {
			$label = $GLOBALS['LANG']->getLL('extBackup_nothing_to_dump') .  '<br /><br />' . $label;
		}
		return $label;
	}

	/**
	 * Prints a table with extension information in it.
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @param	boolean		If set, the information array shows information for a remote extension in TER, not a local one.
	 * @return	string		HTML content.
	 */
	function extInformationArray($extKey,$extInfo,$remote=0)	{
		$lines=array();
		$lines[] = '<tr class="t3-row-header"><td colspan="2"><strong>' . $GLOBALS['LANG']->getLL('extInfoArray_general_info') . '</strong></td>' .
				$this->helpCol('') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_title') . '</td>
				<td>' . $extInfo['EM_CONF']['_icon'] . $extInfo['EM_CONF']['title'] . '</td>' .
				$this->helpCol('title') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_description') . '</td>
				<td>' . nl2br(htmlspecialchars($extInfo['EM_CONF']['description'])) . '</td>' .
				$this->helpCol('description') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_author') . '</td>
				<td>' . $this->wrapEmail($extInfo['EM_CONF']['author'] .
					($extInfo['EM_CONF']['author_email'] ?
						' <' . $extInfo['EM_CONF']['author_email'] . '>' : ''),
					$extInfo['EM_CONF']['author_email']) .
					($extInfo['EM_CONF']['author_company'] ?
						', ' . $extInfo['EM_CONF']['author_company'] : '') . '</td>' .
				$this->helpCol('author') . '</tr>';


		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_version') . '</td>
				<td>' . $extInfo['EM_CONF']['version'] . '</td>' .
				$this->helpCol('version') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_category') . '</td>
				<td>' . $this->categories[$extInfo['EM_CONF']['category']] . '</td>' .
				$this->helpCol('category') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_state') . '</td>
				<td>' . $this->states[$extInfo['EM_CONF']['state']] . '</td>' .
				$this->helpCol('state') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_shy') . '</td>
				<td>' . ($extInfo['EM_CONF']['shy'] ?
					$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes')
					: $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:no')) . '</td>' .
				$this->helpCol('shy') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_internal') . '</td>
				<td>' . ($extInfo['EM_CONF']['internal'] ?
					$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes')
					: $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:no')) . '</td>' .
				$this->helpCol('internal') . '</tr>';


		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_depends_on') . '</td>
				<td>' . $this->depToString($extInfo['EM_CONF']['constraints']) . '</td>' .
				$this->helpCol('dependencies') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_conflicts_with') . '</td>
				<td>' . $this->depToString($extInfo['EM_CONF']['constraints'], 'conflicts') . '</td>' .
				$this->helpCol('conflicts') . '</tr>';
		$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_suggests') . '</td>
				<td>' . $this->depToString($extInfo['EM_CONF']['constraints'], 'suggests') . '</td>' .
				$this->helpCol('suggests') . '</tr>';
		if (!$remote)	{
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_priority') . '</td>
					<td>' . $extInfo['EM_CONF']['priority'] . '</td>' .
					$this->helpCol('priority') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_clear_cache') . '</td>
					<td>' . ($extInfo['EM_CONF']['clearCacheOnLoad'] ?
						$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes')
						: $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:no')) . '</td>' .
					$this->helpCol('clearCacheOnLoad') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_incl_modules') . '</td>
					<td>' . $extInfo['EM_CONF']['module'] . '</td>' .
					$this->helpCol('module') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_lock_type') . '</td>
					<td>' . ($extInfo['EM_CONF']['lockType'] ?
						$extInfo['EM_CONF']['lockType'] : '') . '</td>' .
					$this->helpCol('lockType') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_load_in_frontend') . '</td>
					<td>' . ($extInfo['EM_CONF']['doNotLoadInFE'] ?
						$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:no')
						: $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes')) . '</td>' .
					$this->helpCol('doNotLoadInFE') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_modifies_tables') . '</td>
					<td>' . $extInfo['EM_CONF']['modify_tables'] . '</td>' .
					$this->helpCol('modify_tables') . '</tr>';


			// Installation status:
			$techInfo = $this->makeDetailedExtensionAnalysis($extKey,$extInfo,1);
			$lines[] = '<tr><td>&nbsp;</td><td></td>'.$this->helpCol('').'</tr>';
			$lines[] = '<tr class="t3-row-header"><td colspan="2"><strong>' . $GLOBALS['LANG']->getLL('extInfoArray_inst_status') . '</strong></td>' .
					$this->helpCol('') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_inst_type') . '</td>
					<td>' . $this->typeLabels[$extInfo['type']] . ' - <em>' . $this->typeDescr[$extInfo['type']] . '</em></td>' .
					$this->helpCol('type') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_inst_twice') . '</td>
					<td>' . $this->extInformationArray_dbInst($extInfo['doubleInstall'], $extInfo['type']) . '</td>' .
					$this->helpCol('doubleInstall') . '</tr>';
			if (is_array($extInfo['files']))	{
				sort($extInfo['files']);
				$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_root_files') . '</td>
						<td>' . implode('<br />', $extInfo['files']) . '</td>' .
						$this->helpCol('rootfiles') . '</tr>';
			}

			if ($techInfo['tables']||$techInfo['static']||$techInfo['fields'])	{
				if (!$remote && t3lib_extMgm::isLoaded($extKey))	{
					$tableStatus = $GLOBALS['TBE_TEMPLATE']->rfw(($techInfo['tables_error'] ?
							'<strong>' . $GLOBALS['LANG']->getLL('extInfoArray_table_error') . '</strong><br />' .
							$GLOBALS['LANG']->getLL('extInfoArray_missing_fields') : '') .
					($techInfo['static_error'] ?
							'<strong>' . $GLOBALS['LANG']->getLL('extInfoArray_static_table_error') . '</strong><br />' .
							$GLOBALS['LANG']->getLL('extInfoArray_static_tables_missing_empty') : ''));
				} else {
					$tableStatus = $techInfo['tables_error']||$techInfo['static_error'] ?
							$GLOBALS['LANG']->getLL('extInfoArray_db_update_needed') : $GLOBALS['LANG']->getLL('extInfoArray_tables_ok');
				}
			}

			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_db_requirements') . '</td>
					<td>' . $this->extInformationArray_dbReq($techInfo, 1) . '</td>' .
					$this->helpCol('dbReq') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_db_status') . '</td>
					<td>' . $tableStatus . '</td>' .
					$this->helpCol('dbStatus') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_flags') . '</td>
					<td>' . (is_array($techInfo['flags']) ?
						implode('<br />', $techInfo['flags']) : '') . '</td>' .
					$this->helpCol('flags') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_config_template') . '</td>
					<td>' . ($techInfo['conf'] ?
						$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes') : '') . '</td>' .
					$this->helpCol('conf') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_typoscript_files') . '</td>
					<td>' . (is_array($techInfo['TSfiles']) ?
						implode('<br />', $techInfo['TSfiles']) : '') . '</td>' .
					$this->helpCol('TSfiles') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_language_files') . '</td>
					<td>' . (is_array($techInfo['locallang']) ?
						implode('<br />', $techInfo['locallang']) : '') . '</td>' .
					$this->helpCol('locallang') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_upload_folder') . '</td>
					<td>' . ($techInfo['uploadfolder'] ?
						$techInfo['uploadfolder'] : '') . '</td>' .
					$this->helpCol('uploadfolder') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_create_directories') . '</td>
					<td>' . (is_array($techInfo['createDirs']) ?
						implode('<br />', $techInfo['createDirs']) : '') . '</td>' .
					$this->helpCol('createDirs') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_module_names') . '</td>
					<td>' . (is_array($techInfo['moduleNames']) ?
						implode('<br />', $techInfo['moduleNames']) : '') . '</td>' .
					$this->helpCol('moduleNames') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_class_names') . '</td>
					<td>' . (is_array($techInfo['classes']) ?
						implode('<br />', $techInfo['classes']) : '') . '</td>' .
					$this->helpCol('classNames') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_code_warnings') . '<br />' .
						$GLOBALS['LANG']->getLL('extInfoArray_dev_relevant') . '</td>
					<td>' . (is_array($techInfo['errors']) ?
						$GLOBALS['TBE_TEMPLATE']->rfw(implode('<br />', $techInfo['errors'])) : '') . '</td>' .
					$this->helpCol('errors') . '</tr>';
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_annoyances') . '<br />' .
						$GLOBALS['LANG']->getLL('extInfoArray_dev_relevant') . '</td>
					<td>' . (is_array($techInfo['NSerrors']) ?
						(!t3lib_div::inList($this->nameSpaceExceptions, $extKey) ?
							t3lib_div::view_array($techInfo['NSerrors']) :
							$GLOBALS['TBE_TEMPLATE']->dfw($GLOBALS['LANG']->getLL('extInfoArray_exception'))) : '') . '</td>' .
					$this->helpCol('NSerrors') . '</tr>';

			$currentMd5Array = $this->serverExtensionMD5Array($extKey,$extInfo);
			$affectedFiles='';

			$msgLines=array();
			if (strcmp($extInfo['EM_CONF']['_md5_values_when_last_written'],serialize($currentMd5Array)))	{
				$msgLines[] = $GLOBALS['TBE_TEMPLATE']->rfw('<br /><strong>' . $GLOBALS['LANG']->getLL('extInfoArray_difference_detected') . '</strong>');
				$affectedFiles = $this->findMD5ArrayDiff($currentMd5Array,unserialize($extInfo['EM_CONF']['_md5_values_when_last_written']));
				if (count($affectedFiles)) {
					$msgLines[] = '<br /><strong>' . $GLOBALS['LANG']->getLL('extInfoArray_modified_files') . '</strong><br />' .
						$GLOBALS['TBE_TEMPLATE']->rfw(implode('<br />', $affectedFiles));
				}
			}
			$lines[] = '<tr class="bgColor4"><td>' . $GLOBALS['LANG']->getLL('extInfoArray_files_changed') . '</td>
					<td>' . implode('<br />', $msgLines) . '</td>' .
					$this->helpCol('filesChanged') . '</tr>';
		}

		return '<table border="0" cellpadding="1" cellspacing="2">
					'.implode('
					',$lines).'
				</table>';
	}

	/**
	 * Returns HTML with information about database requirements
	 *
	 * @param	array		Technical information array
	 * @param	boolean		Table header displayed
	 * @return	string		HTML content.
	 */
	function extInformationArray_dbReq($techInfo,$tableHeader=0)	{
		return nl2br(trim((is_array($techInfo['tables']) ?
			($tableHeader ?
				"\n\n<strong>" . $GLOBALS['LANG']->getLL('extDumpTables_tables') . "</strong>\n" : '') .
			implode(LF, $techInfo['tables']) : '') .
		(is_array($techInfo['static']) ?
			"\n\n<strong>" . $GLOBALS['LANG']->getLL('extBackup_static_tables') . "</strong>\n" .
			implode(LF, $techInfo['static']) : '').
		(is_array($techInfo['fields']) ?
			"\n\n<strong>" . $GLOBALS['LANG']->getLL('extInfoArray_additional_fields') . "</strong>\n" .
			implode('<hr />', $techInfo['fields']) : '')));
	}

	/**
	 * Double install warning.
	 *
	 * @param	string		Double-install string, eg. "LG" etc.
	 * @param	string		Current scope, eg. "L" or "G" or "S"
	 * @return	string		Message
	 */
	function extInformationArray_dbInst($dbInst,$current)	{
		if (strlen($dbInst)>1)	{
			$others = array();
			for($a=0;$a<strlen($dbInst);$a++)	{
				if (substr($dbInst,$a,1)!=$current)	{
					$others[]='"'.$this->typeLabels[substr($dbInst,$a,1)].'"';
				}
			}
			return $GLOBALS['TBE_TEMPLATE']->rfw(
				sprintf($GLOBALS['LANG']->getLL('extInfoArray_double_installation_infotext'),
					implode(' ' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:and') . ' ', $others),
					$this->typeLabels[$current]
				)
			);
		} else return '';
	}

	/**
	 * Prints the upload form for extensions
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	string		HTML content.
	 */
	function getRepositoryUploadForm($extKey,$extInfo)	{
		$content = '<form action="index.php" method="post" name="repuploadform">
			<input type="hidden" name="CMD[showExt]" value="'.$extKey.'" />
			<input type="hidden" name="em[action]" value="doUpload" />
			<table border="0" cellpadding="2" cellspacing="1">
				<tr class="bgColor4">
					<td>' . $GLOBALS['LANG']->getLL('repositoryUploadForm_username') . '</td>
					<td><input'.$this->doc->formWidth(20).' type="text" name="em[user][fe_u]" value="'.$this->fe_user['username'].'" /></td>
				</tr>
				<tr class="bgColor4">
					<td>' . $GLOBALS['LANG']->getLL('repositoryUploadForm_password') . '</td>
					<td><input'.$this->doc->formWidth(20).' type="password" name="em[user][fe_p]" value="'.$this->fe_user['password'].'" /></td>
				</tr>
				<tr class="bgColor4">
					<td>' . $GLOBALS['LANG']->getLL('repositoryUploadForm_changelog') . '</td>
					<td><textarea'.$this->doc->formWidth(30,1).' rows="5" name="em[upload][comment]"></textarea></td>
				</tr>
				<tr class="bgColor4">
					<td>' . $GLOBALS['LANG']->getLL('repositoryUploadForm_command') . '</td>
					<td nowrap="nowrap">
						<input type="radio" name="em[upload][mode]" id="new_dev" value="new_dev" checked="checked" />
							<label for="new_dev">' . sprintf($GLOBALS['LANG']->getLL('repositoryUploadForm_new_bugfix'),
								'x.x.<strong>' . $GLOBALS['TBE_TEMPLATE']->rfw('x+1') . '</strong>'
							) . '</label><br />
						<input type="radio" name="em[upload][mode]" id="new_sub" value="new_sub" />
							<label for="new_sub">' . sprintf($GLOBALS['LANG']->getLL('repositoryUploadForm_new_sub_version'),
								'x.<strong>' . $GLOBALS['TBE_TEMPLATE']->rfw('x+1') . '</strong>.0'
							) . '</label><br />
						<input type="radio" name="em[upload][mode]" id="new_main" value="new_main" />
							<label for="new_main">' . sprintf($GLOBALS['LANG']->getLL('repositoryUploadForm_new_main_version'),
								'<strong>' . $GLOBALS['TBE_TEMPLATE']->rfw('x+1') . '</strong>.0.0'
							) . '</label><br />
					</td>
				</tr>
				<tr class="bgColor4">
					<td>&nbsp;</td>
					<td><input type="submit" name="submit" value="' . $GLOBALS['LANG']->getLL('repositoryUploadForm_upload') . '" />
					</td>
				</tr>
			</table>
			</form>';

		return $content;
	}










	/***********************************
	*
	* Extension list rendering
	*
	**********************************/

	/**
	 * Prints the header row for the various listings
	 *
	 * @param	string		Attributes for the <tr> tag
	 * @param	array		Preset cells in the beginning of the row. Typically a blank cell with a clear-gif
	 * @param	boolean		If set, the list is coming from remote server.
	 * @return	string		HTML <tr> table row
	 */
	function extensionListRowHeader($trAttrib,$cells,$import=0)	{
		$cells[] = '<td></td>';
		$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_title') . '</td>';

		if (!$this->MOD_SETTINGS['display_details'])	{
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_description') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_author') . '</td>';
		} elseif ($this->MOD_SETTINGS['display_details']==2)	{
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_priority') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_modifies_tables_short') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_modules') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_clear_cache_short') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_internal') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_shy') . '</td>';
		} elseif ($this->MOD_SETTINGS['display_details']==3)	{
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_tables_fields') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_ts_files') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_affects') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_modules') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_config') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_code_warnings') . '</td>';
		} elseif ($this->MOD_SETTINGS['display_details']==4)	{
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_locallang') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_classes') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_code_warnings') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_annoyances') . '</td>';
		} elseif ($this->MOD_SETTINGS['display_details']==5)	{
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_changed_files') . '</td>';
		} else {
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_ext_key') . '</td>';
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_version') . '</td>';
			if (!$import) {
				$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_download_short') . '</td>';
				$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_documentation_short') . '</td>';
				$cells[] = '<td>' . $GLOBALS['LANG']->getLL('listRowHeader_type') . '</td>';
			} else {
				$cells[] = '<td' . $this->labelInfo($GLOBALS['LANG']->getLL('listRowHeader_title_upload_date')) . '>' .
							$GLOBALS['LANG']->getLL('listRowHeader_upload_date') . '</td>';
				$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_author') . '</td>';
				$cells[] = '<td' . $this->labelInfo($GLOBALS['LANG']->getLL('listRowHeader_title_current_version')) . '>' .
							$GLOBALS['LANG']->getLL('listRowHeader_current_version') . '</td>';
				$cells[] = '<td' . $this->labelInfo($GLOBALS['LANG']->getLL('listRowHeader_title_current_type')) . '>' .
							$GLOBALS['LANG']->getLL('listRowHeader_current_type') . '</td>';
				$cells[] = '<td' . $this->labelInfo($GLOBALS['LANG']->getLL('listRowHeader_title_number_of_downloads')) . '>' .
							$GLOBALS['LANG']->getLL('listRowHeader_download_short') . '</td>';
			}
			$cells[] = '<td>' . $GLOBALS['LANG']->getLL('extInfoArray_state') . '</td>';
		}
		return '
			<tr'.$trAttrib.'>
				'.implode('
				',$cells).'
			</tr>';
	}

	/**
	 * Prints a row with data for the various extension listings
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @param	array		Preset table cells, eg. install/uninstall icons.
	 * @param	string		<tr> tag class
	 * @param	array		Array with installed extension keys (as keys)
	 * @param	boolean		If set, the list is coming from remote server.
	 * @param	string		Alternative link URL
	 * @return	string		HTML <tr> content
	 */
	function extensionListRow($extKey,$extInfo,$cells,$bgColorClass='',$inst_list=array(),$import=0,$altLinkUrl='')	{

			// Icon:
		$imgInfo = @getImageSize($this->getExtPath($extKey,$extInfo['type']).'/ext_icon.gif');
		if (is_array($imgInfo))	{
			$cells[] = '<td><img src="'.$GLOBALS['BACK_PATH'].$this->typeRelPaths[$extInfo['type']].$extKey.'/ext_icon.gif'.'" '.$imgInfo[3].' alt="" /></td>';
		} elseif ($extInfo['_ICON']) {
			$cells[] = '<td>'.$extInfo['_ICON'].'</td>';
		} else {
			$cells[] = '<td><img src="clear.gif" width="1" height="1" alt="" /></td>';
		}

			// Extension title:
		$cells[] = '<td nowrap="nowrap"><a href="' . htmlspecialchars($altLinkUrl ? $altLinkUrl : 'index.php?CMD[showExt]=' . $extKey . '&SET[singleDetails]=info') . '" title="' . htmlspecialchars($extInfo['EM_CONF']['description']) . '">' . t3lib_div::fixed_lgd_cs($extInfo['EM_CONF']['title'] ? htmlspecialchars($extInfo['EM_CONF']['title']) : '<em>' . $extKey . '</em>', 40) . '</a></td>';

			// Based on the display mode you will see more or less details:
		if (!$this->MOD_SETTINGS['display_details'])	{
			$cells[] = '<td>'.htmlspecialchars(t3lib_div::fixed_lgd_cs($extInfo['EM_CONF']['description'],400)).'<br /><img src="clear.gif" width="300" height="1" alt="" /></td>';
			$cells[] = '<td nowrap="nowrap">'.($extInfo['EM_CONF']['author_email'] ? '<a href="mailto:'.htmlspecialchars($extInfo['EM_CONF']['author_email']).'">' : '').htmlspecialchars($extInfo['EM_CONF']['author']).(htmlspecialchars($extInfo['EM_CONF']['author_email']) ? '</a>' : '').($extInfo['EM_CONF']['author_company'] ? '<br />'.htmlspecialchars($extInfo['EM_CONF']['author_company']) : '').'</td>';
		} elseif ($this->MOD_SETTINGS['display_details']==2)	{
			$cells[] = '<td nowrap="nowrap">'.$extInfo['EM_CONF']['priority'].'</td>';
			$cells[] = '<td nowrap="nowrap">'.implode('<br />',t3lib_div::trimExplode(',',$extInfo['EM_CONF']['modify_tables'],1)).'</td>';
			$cells[] = '<td nowrap="nowrap">'.$extInfo['EM_CONF']['module'].'</td>';
			$cells[] = '<td nowrap="nowrap">'.($extInfo['EM_CONF']['clearCacheOnLoad'] ? $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes') : '').'</td>';
			$cells[] = '<td nowrap="nowrap">'.($extInfo['EM_CONF']['internal'] ? $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes') : '').'</td>';
			$cells[] = '<td nowrap="nowrap">'.($extInfo['EM_CONF']['shy'] ? $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes') : '').'</td>';
		} elseif ($this->MOD_SETTINGS['display_details']==3)	{
			$techInfo = $this->makeDetailedExtensionAnalysis($extKey,$extInfo);

			$cells[] = '<td>'.$this->extInformationArray_dbReq($techInfo).
			'</td>';
			$cells[] = '<td nowrap="nowrap">'.(is_array($techInfo['TSfiles']) ? implode('<br />',$techInfo['TSfiles']) : '').'</td>';
			$cells[] = '<td nowrap="nowrap">'.(is_array($techInfo['flags']) ? implode('<br />',$techInfo['flags']) : '').'</td>';
			$cells[] = '<td nowrap="nowrap">'.(is_array($techInfo['moduleNames']) ? implode('<br />',$techInfo['moduleNames']) : '').'</td>';
			$cells[] = '<td nowrap="nowrap">'.($techInfo['conf'] ? $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:yes') : '').'</td>';
			$cells[] = '<td>'.
			$GLOBALS['TBE_TEMPLATE']->rfw((t3lib_extMgm::isLoaded($extKey) && $techInfo['tables_error'] ?
				'<strong>' . $GLOBALS['LANG']->getLL('extInfoArray_table_error') . '</strong><br />' .
				$GLOBALS['LANG']->getLL('extInfoArray_missing_fields') : '') .
			(t3lib_extMgm::isLoaded($extKey) && $techInfo['static_error'] ?
				'<strong>' . $GLOBALS['LANG']->getLL('extInfoArray_static_table_error') . '</strong><br />' .
				$GLOBALS['LANG']->getLL('extInfoArray_static_tables_missing_empty') : '')) .
			'</td>';
		} elseif ($this->MOD_SETTINGS['display_details']==4)	{
			$techInfo=$this->makeDetailedExtensionAnalysis($extKey,$extInfo,1);

			$cells[] = '<td>'.(is_array($techInfo['locallang']) ? implode('<br />',$techInfo['locallang']) : '').'</td>';
			$cells[] = '<td>'.(is_array($techInfo['classes']) ? implode('<br />',$techInfo['classes']) : '').'</td>';
			$cells[] = '<td>'.(is_array($techInfo['errors']) ? $GLOBALS['TBE_TEMPLATE']->rfw(implode('<hr />',$techInfo['errors'])) : '').'</td>';
			$cells[] = '<td>'.(is_array($techInfo['NSerrors']) ?
						(!t3lib_div::inList($this->nameSpaceExceptions, $extKey) ?
							t3lib_div::view_array($techInfo['NSerrors']) :
							$GLOBALS['TBE_TEMPLATE']->dfw($GLOBALS['LANG']->getLL('extInfoArray_exception'))) : '') . '</td>';
		} elseif ($this->MOD_SETTINGS['display_details']==5)	{
			$currentMd5Array = $this->serverExtensionMD5Array($extKey,$extInfo);
			$affectedFiles = '';
			$msgLines = array();
			$msgLines[] = $GLOBALS['LANG']->getLL('listRow_files') . ' ' . count($currentMd5Array);
			if (strcmp($extInfo['EM_CONF']['_md5_values_when_last_written'],serialize($currentMd5Array)))	{
				$msgLines[] = $GLOBALS['TBE_TEMPLATE']->rfw('<br /><strong>' . $GLOBALS['LANG']->getLL('extInfoArray_difference_detected') . '</strong>');
				$affectedFiles = $this->findMD5ArrayDiff($currentMd5Array,unserialize($extInfo['EM_CONF']['_md5_values_when_last_written']));
				if (count($affectedFiles)) {
					$msgLines[] = '<br /><strong>' . $GLOBALS['LANG']->getLL('extInfoArray_modified_files') . '</strong><br />' .
								$GLOBALS['TBE_TEMPLATE']->rfw(implode('<br />', $affectedFiles));
				}
			}
			$cells[] = '<td>'.implode('<br />',$msgLines).'</td>';
		} else {
				// Default view:
			$verDiff = $inst_list[$extKey] && $this->versionDifference($extInfo['EM_CONF']['version'],$inst_list[$extKey]['EM_CONF']['version'],$this->versionDiffFactor);

			$cells[] = '<td nowrap="nowrap"><em>'.$extKey.'</em></td>';
			$cells[] = '<td nowrap="nowrap">'.($verDiff ? '<strong>'.$GLOBALS['TBE_TEMPLATE']->rfw(htmlspecialchars($extInfo['EM_CONF']['version'])).'</strong>' : $extInfo['EM_CONF']['version']).'</td>';
			if (!$import) {		// Listing extension on LOCAL server:
					// Extension Download:
				$cells[] = '<td nowrap="nowrap"><a href="' . htmlspecialchars('index.php?CMD[doBackup]=1&SET[singleDetails]=backup&CMD[showExt]=' . $extKey) . '" title="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:download') . '">' .
						t3lib_iconWorks::getSpriteIcon('actions-system-extension-download') .
					'</a></td>';

					// Manual download
				$fileP = PATH_site.$this->typePaths[$extInfo['type']].$extKey.'/doc/manual.sxw';
				$cells[] = '<td nowrap="nowrap">'.
				($this->typePaths[$extInfo['type']] && @is_file($fileP) ?
					'<a href="' . htmlspecialchars(t3lib_div::resolveBackPath($this->doc->backPath . '../' . $this->typePaths[$extInfo['type']] . $extKey . '/doc/manual.sxw')).'" target="_blank" title="' . $GLOBALS['LANG']->getLL('listRow_local_manual') . '">' .
					t3lib_iconWorks::getSpriteIcon('actions-system-extension-documentation') . '</a>' : '') .
				'</td>';

					// Double installation (inclusion of an extension in more than one of system, global or local scopes)
				$doubleInstall = '';
				if (strlen($extInfo['doubleInstall']) > 1) {
						// Separate the "SL" et al. string into an array and replace L by Local, G by Global etc.
					$doubleInstallations = str_replace(
						array('S', 'G', 'L'),
						array(
							$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:sysext'),
							$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:globalext'),
							$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:localext')
						),
						str_split($extInfo['doubleInstall'])
					);
						// Last extension is the one actually used
					$usedExtension = array_pop($doubleInstallations);
						// Next extension is overridden
					$overriddenExtensions = array_pop($doubleInstallations);
						// If the array is not yet empty, the extension is actually installed 3 times (SGL)
					if (count($doubleInstallations) > 0) {
						$lastExtension = array_pop($doubleInstallations);
						$overriddenExtensions .= ' ' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:and') . ' ' . $lastExtension;
					}
					$doubleInstallTitle = sprintf(
						$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:double_inclusion'),
						$usedExtension,
						$overriddenExtensions
					);
					$doubleInstall = ' <strong><abbr title="' . $doubleInstallTitle .'">' . $GLOBALS['TBE_TEMPLATE']->rfw($extInfo['doubleInstall']) . '</abbr></strong>';
				}
				$cells[] = '<td nowrap="nowrap">' . $this->typeLabels[$extInfo['type']] . $doubleInstall . '</td>';
			} else {	// Listing extensions from REMOTE repository:
				$inst_curVer = $inst_list[$extKey]['EM_CONF']['version'];
				if (isset($inst_list[$extKey]))	{
					if ($verDiff)	$inst_curVer = '<strong>'.$GLOBALS['TBE_TEMPLATE']->rfw($inst_curVer).'</strong>';
				}
				$cells[] = '<td nowrap="nowrap">' . t3lib_befunc::date($extInfo['EM_CONF']['lastuploaddate']) . '</td>';
				$cells[] = '<td nowrap="nowrap">' . htmlspecialchars(t3lib_div::fixed_lgd_cs($extInfo['EM_CONF']['author'], $GLOBALS['BE_USER']->uc[titleLen])) . '</td>';
				$cells[] = '<td nowrap="nowrap">'.$inst_curVer.'</td>';
				$cells[] = '<td nowrap="nowrap">'.$this->typeLabels[$inst_list[$extKey]['type']].(strlen($inst_list[$extKey]['doubleInstall'])>1?'<strong> '.$GLOBALS['TBE_TEMPLATE']->rfw($inst_list[$extKey]['doubleInstall']).'</strong>':'').'</td>';
				$cells[] = '<td nowrap="nowrap">'.($extInfo['downloadcounter_all']?$extInfo['downloadcounter_all']:'&nbsp;&nbsp;').'/'.($extInfo['downloadcounter']?$extInfo['downloadcounter']:'&nbsp;').'</td>';
			}
			$cells[] = '<td nowrap="nowrap" class="extstate" style="background-color:'.$this->stateColors[$extInfo['EM_CONF']['state']].';">'.$this->states[$extInfo['EM_CONF']['state']].'</td>';
		}

			// show a different background through a different class for insecure (-1) extensions,
			// for unreviewed (0) an reviewed extensions (1), just use the regular class
		if ($this->xmlhandler->getReviewState($extKey,$extInfo['EM_CONF']['version']) < 0) {
			$bgclass = ' class="unsupported-ext"';
		} else {
			$bgclass = ' class="' . ($bgColorClass ? $bgColorClass : 'em-listbg1') . '"';
		}

		return '
			<tr'.$bgclass.'>
				'.implode('
				',$cells).'
			</tr>';
	}






	/************************************
	*
	* Output helper functions
	*
	************************************/

	/**
	 * Wrapping input string in a link tag with link to email address
	 *
	 * @param	string		Input string, being wrapped in <a> tags
	 * @param	string		Email address for use in link.
	 * @return	string		Output
	 */
	function wrapEmail($str,$email)	{
		if ($email)	{
			$str = '<a href="mailto:'.htmlspecialchars($email).'">'.htmlspecialchars($str).'</a>';
		}
		return $str;
	}

	/**
	 * Returns help text if applicable.
	 *
	 * @param	string		Help text key
	 * @return	string		HTML table cell
	 */
	function helpCol($key)	{
		global $BE_USER;
		if ($BE_USER->uc['edit_showFieldHelp'])	{
			if (empty($key)) {
				return '<td>&nbsp;</td>';
			}
			else {
				return t3lib_BEfunc::cshItem($this->descrTable, 'emconf_'.$key, $GLOBALS['BACK_PATH'], '<td>|</td>');
			}
		}
		else {
			return '';
		}
	}

	/**
	 * Returns title and style attribute for mouseover help text.
	 *
	 * @param	string		Help text.
	 * @return	string		title="" attribute prepended with a single space
	 */
	function labelInfo($str)	{
		return ' title="'.htmlspecialchars($str).'" style="cursor:help;"';
	}

	/**
	 * Returns a header for an extensions including icon if any
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @param	string		align-attribute value (for <img> tag)
	 * @return	string		HTML; Extension title and image.
	 */
	function extensionTitleIconHeader($extKey,$extInfo,$align='top')	{
		$imgInfo = @getImageSize($this->getExtPath($extKey,$extInfo['type']).'/ext_icon.gif');
		$out = '';
		if (is_array($imgInfo))	{
			$out.= '<img src="'.$GLOBALS['BACK_PATH'].$this->typeRelPaths[$extInfo['type']].$extKey.'/ext_icon.gif" '.$imgInfo[3].' align="'.$align.'" alt="" />';
		}
		$out.= $extInfo['EM_CONF']['title'] ? htmlspecialchars(t3lib_div::fixed_lgd_cs($extInfo['EM_CONF']['title'],40)) : '<em>' . htmlspecialchars($extKey) . '</em>';
		return $out;
	}

	/**
	 * Returns image tag for "uninstall"
	 *
	 * @return	string		<img> tag
	 */
	function removeButton()	{
		return t3lib_iconWorks::getSpriteIcon('actions-system-extension-uninstall', array('title' => $GLOBALS['LANG']->getLL('ext_details_remove_ext')));
	}

	/**
	 * Returns image for "install"
	 *
	 * @return	string		<img> tag
	 */
	function installButton()	{
		return t3lib_iconWorks::getSpriteIcon('actions-system-extension-install', array('title' => $GLOBALS['LANG']->getLL('helperFunction_install_extension')));
	}

	/**
	 * Warning (<img> + text string) message about the impossibility to import extensions (both local and global locations are disabled...)
	 *
	 * @return	string		<img> + text string.
	 */
	function noImportMsg()	{
		return t3lib_iconWorks::getSpriteIcon('status-dialog-warning') .
			'<strong>' . $GLOBALS['LANG']->getLL('helperFunction_import_not_possible') . '</strong>';
	}

	/**
	 * Checks whether the passed dependency is TER2-style (array) and returns a single string for displaying the dependencies.
	 *
	 * It leaves out all version numbers and the "php" and "typo3" dependencies, as they are implicit and of no interest without the version number.
	 *
	 * @param	mixed		$dep Either a string or an array listing dependencies.
	 * @param	string		$type The dependency type to list if $dep is an array
	 * @return	string		A simple dependency list for display
	 */
	function depToString($dep,$type='depends') {
		if(is_array($dep)) {
			unset($dep[$type]['php']);
			unset($dep[$type]['typo3']);
			$s = (count($dep[$type])) ? implode(',', array_keys($dep[$type])) : '';
			return $s;
		}
		return '';
	}

	/**
	 * Checks whether the passed dependency is TER-style (string) or TER2-style (array) and returns a single string for displaying the dependencies.
	 *
	 * It leaves out all version numbers and the "php" and "typo3" dependencies, as they are implicit and of no interest without the version number.
	 *
	 * @param	mixed		$dep Either a string or an array listing dependencies.
	 * @param	string		$type The dependency type to list if $dep is an array
	 * @return	string		A simple dependency list for display
	 */
	function stringToDep($dep) {
		$constraint = array();
		if(is_string($dep) && strlen($dep)) {
			$dep = explode(',',$dep);
			foreach($dep as $v) {
				$constraint[$v] = '';
			}
		}
		return $constraint;
	}








	/********************************
	*
	* Read information about all available extensions
	*
	*******************************/

	/**
	 * Returns the list of available (installed) extensions
	 *
	 * @return	array		Array with two arrays, list array (all extensions with info) and category index
	 * @see getInstExtList()
	 */
	function getInstalledExtensions()	{
		$list = array();
		$cat = $this->defaultCategories;

		$path = PATH_typo3.'sysext/';
		$this->getInstExtList($path,$list,$cat,'S');

		$path = PATH_typo3.'ext/';
		$this->getInstExtList($path,$list,$cat,'G');

		$path = PATH_typo3conf.'ext/';
		$this->getInstExtList($path,$list,$cat,'L');

		return array($list,$cat);
	}

	/**
	 * Gathers all extensions in $path
	 *
	 * @param	string		Absolute path to local, global or system extensions
	 * @param	array		Array with information for each extension key found. Notice: passed by reference
	 * @param	array		Categories index: Contains extension titles grouped by various criteria.
	 * @param	string		Path-type: L, G or S
	 * @return	void		"Returns" content by reference
	 * @access private
	 * @see getInstalledExtensions()
	 */
	function getInstExtList($path,&$list,&$cat,$type)	{

		if (@is_dir($path))	{
			$extList = t3lib_div::get_dirs($path);
			if (is_array($extList))	{
				foreach($extList as $extKey)	{
					if (@is_file($path.$extKey.'/ext_emconf.php'))	{
						$emConf = $this->includeEMCONF($path.$extKey.'/ext_emconf.php', $extKey);
						if (is_array($emConf))	{
							if (is_array($list[$extKey]))	{
								$list[$extKey]=array('doubleInstall'=>$list[$extKey]['doubleInstall']);
							}
							$list[$extKey]['doubleInstall'].= $type;
							$list[$extKey]['type'] = $type;
							$list[$extKey]['EM_CONF'] = $emConf;
							$list[$extKey]['files'] = t3lib_div::getFilesInDir($path.$extKey, '', 0, '', $this->excludeForPackaging);

							$this->setCat($cat,$list[$extKey], $extKey);
						}
					}
				}
			}
		}
	}

	/**
	 * Fixes an old style ext_emconf.php array by adding constraints if needed and removing deprecated keys
	 *
	 * @param	array		$emConf
	 * @return	array
	 */
	function fixEMCONF($emConf) {
		if(!isset($emConf['constraints']) || !isset($emConf['constraints']['depends']) || !isset($emConf['constraints']['conflicts']) || !isset($emConf['constraints']['suggests'])) {
			if(!isset($emConf['constraints']) || !isset($emConf['constraints']['depends'])) {
				$emConf['constraints']['depends'] = $this->stringToDep($emConf['dependencies']);
				if(strlen($emConf['PHP_version'])) {
					$versionRange = $this->splitVersionRange($emConf['PHP_version']);
					if (version_compare($versionRange[0],'3.0.0','<')) $versionRange[0] = '3.0.0';
					if (version_compare($versionRange[1],'3.0.0','<')) $versionRange[1] = '0.0.0';
					$emConf['constraints']['depends']['php'] = implode('-',$versionRange);
				}
				if(strlen($emConf['TYPO3_version'])) {
					$versionRange = $this->splitVersionRange($emConf['TYPO3_version']);
					if (version_compare($versionRange[0],'3.5.0','<')) $versionRange[0] = '3.5.0';
					if (version_compare($versionRange[1],'3.5.0','<')) $versionRange[1] = '0.0.0';
					$emConf['constraints']['depends']['typo3'] = implode('-',$versionRange);
				}
			}
			if(!isset($emConf['constraints']) || !isset($emConf['constraints']['conflicts'])) {
				$emConf['constraints']['conflicts'] = $this->stringToDep($emConf['conflicts']);
			}
			if(!isset($emConf['constraints']) || !isset($emConf['constraints']['suggests'])) {
				$emConf['constraints']['suggests'] = array();
			}
		} elseif (isset($emConf['constraints']) && isset($emConf['dependencies'])) {
			$emConf['suggests'] = isset($emConf['suggests']) ? $emConf['suggests'] : array();
			$emConf['dependencies'] = $this->depToString($emConf['constraints']);
			$emConf['conflicts'] = $this->depToString($emConf['constraints'], 'conflicts');
		}

			// sanity check for version numbers, intentionally only checks php and typo3
		if(isset($emConf['constraints']['depends']) && isset($emConf['constraints']['depends']['php'])) {
			$versionRange = $this->splitVersionRange($emConf['constraints']['depends']['php']);
			if (version_compare($versionRange[0],'3.0.0','<')) $versionRange[0] = '3.0.0';
			if (version_compare($versionRange[1],'3.0.0','<')) $versionRange[1] = '0.0.0';
			$emConf['constraints']['depends']['php'] = implode('-',$versionRange);
		}
		if(isset($emConf['constraints']['depends']) && isset($emConf['constraints']['depends']['typo3'])) {
			$versionRange = $this->splitVersionRange($emConf['constraints']['depends']['typo3']);
			if (version_compare($versionRange[0],'3.5.0','<')) $versionRange[0] = '3.5.0';
			if (version_compare($versionRange[1],'3.5.0','<')) $versionRange[1] = '0.0.0';
			$emConf['constraints']['depends']['typo3'] = implode('-',$versionRange);
		}

		unset($emConf['private']);
		unset($emConf['download_password']);
		unset($emConf['TYPO3_version']);
		unset($emConf['PHP_version']);

		return $emConf;
	}

	/**
	 * Splits a version range into an array.
	 *
	 * If a single version number is given, it is considered a minimum value.
	 * If a dash is found, the numbers left and right are considered as minimum and maximum. Empty values are allowed.
	 *
	 * @param	string		$ver A string with a version range.
	 * @return	array
	 */
	function splitVersionRange($ver)	{
		$versionRange = array();
		if (strstr($ver, '-'))	{
			$versionRange = explode('-', $ver, 2);
		} else {
			$versionRange[0] = $ver;
			$versionRange[1] = '';
		}

		if (!$versionRange[0])	{ $versionRange[0] = '0.0.0'; }
		if (!$versionRange[1])	{ $versionRange[1] = '0.0.0'; }

		return $versionRange;
	}

	/**
	 * Maps remote extensions information into $cat/$list arrays for listing
	 *
	 * @param	boolean		If set the info in the internal extensionsXML array will be unset before returning the result.
	 * @return	array		List array and category index as key 0 / 1 in an array.
	 */
	function prepareImportExtList($unsetProc = false)	{
		$list = array();
		$cat = $this->defaultCategories;
		$filepath = $this->getMirrorURL();

		foreach ($this->xmlhandler->extensionsXML as $extKey => $data) {
			$GLOBALS['LANG']->csConvObj->convArray($data,'utf-8',$GLOBALS['LANG']->charSet); // is there a better place for conversion?
			$list[$extKey]['type'] = '_';
			$version = array_keys($data['versions']);
			$extPath = t3lib_div::strtolower($extKey);
			$list[$extKey]['_ICON'] = '<img alt="" src="' . $filepath . $extPath{0} . '/' . $extPath{1} . '/' . $extPath . '_' . end($version) . '.gif" />';
			$list[$extKey]['downloadcounter'] = $data['downloadcounter'];

			foreach(array_keys($data['versions']) as $version) {
				$list[$extKey]['versions'][$version]['downloadcounter'] = $data['versions'][$version]['downloadcounter'];

				$list[$extKey]['versions'][$version]['EM_CONF'] = array(
				'version' => $version,
				'title' => $data['versions'][$version]['title'],
				'description' => $data['versions'][$version]['description'],
				'category' => $data['versions'][$version]['category'],
				'constraints' => $data['versions'][$version]['dependencies'],
				'state' => $data['versions'][$version]['state'],
				'reviewstate' => $data['versions'][$version]['reviewstate'],
				'lastuploaddate' => $data['versions'][$version]['lastuploaddate'],
				'author' => $data['versions'][$version]['authorname'],
				'author_email' => $data['versions'][$version]['authoremail'],
				'author_company' => $data['versions'][$version]['authorcompany'],
				);
			}
			$this->setCat($cat, $list[$extKey]['versions'][$version], $extKey);
			if ($unsetProc)	{
				unset($this->xmlhandler->extensionsXML[$extKey]);
			}
		}

		return array($list,$cat);
	}

	/**
	 * Set category array entries for extension
	 *
	 * @param	array		Category index array
	 * @param	array		Part of list array for extension.
	 * @param	string		Extension key
	 * @return	array		Modified category index array
	 */
	function setCat(&$cat,$listArrayPart,$extKey)	{

		// Getting extension title:
		$extTitle = $listArrayPart['EM_CONF']['title'];

		// Category index:
		$index = $listArrayPart['EM_CONF']['category'];
		$cat['cat'][$index][$extKey] = $extTitle;

		// Author index:
		$index = $listArrayPart['EM_CONF']['author'].($listArrayPart['EM_CONF']['author_company']?', '.$listArrayPart['EM_CONF']['author_company']:'');
		$cat['author_company'][$index][$extKey] = $extTitle;

		// State index:
		$index = $listArrayPart['EM_CONF']['state'];
		$cat['state'][$index][$extKey] = $extTitle;

		// Type index:
		$index = $listArrayPart['type'];
		$cat['type'][$index][$extKey] = $extTitle;

		// Return categories:
		return $cat;
	}










	/*******************************
	*
	* Extension analyzing (detailed information)
	*
	******************************/

	/**
	 * Perform a detailed, technical analysis of the available extension on server!
	 * Includes all kinds of verifications
	 * Takes some time to process, therfore use with care, in particular in listings.
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information
	 * @param	boolean		If set, checks for validity of classes etc.
	 * @return	array		Information in an array.
	 */
	function makeDetailedExtensionAnalysis($extKey,$extInfo,$validity=0)	{

		// Get absolute path of the extension
		$absPath = $this->getExtPath($extKey,$extInfo['type']);

		$infoArray = array();

		$table_class_prefix = substr($extKey,0,5)=='user_' ? 'user_' : 'tx_'.str_replace('_','',$extKey).'_';
		$module_prefix = substr($extKey,0,5)=='user_' ? 'u' : 'tx'.str_replace('_','',$extKey);

		// Database status:
		$dbInfo = $this->checkDBupdates($extKey,$extInfo,1);

		// Database structure required:
		if (is_array($dbInfo['structure']['tables_fields']))	{
			$modify_tables = t3lib_div::trimExplode(',',$extInfo['EM_CONF']['modify_tables'],1);
			$infoArray['dump_tf'] = array();

			foreach($dbInfo['structure']['tables_fields'] as $tN => $d)	{
				if (in_array($tN,$modify_tables))	{
					$infoArray['fields'][] = $tN.': <i>'.
					(is_array($d['fields']) ? implode(', ',array_keys($d['fields'])) : '').
					(is_array($d['keys']) ?
						' + ' . count($d['keys']) . ' ' . $GLOBALS['LANG']->getLL('detailedExtAnalysis_keys') : '') .
					'</i>';
					if (is_array($d['fields']))	{
						foreach ($d['fields'] as $fN => $value) {
							$infoArray['dump_tf'][] = $tN.'.'.$fN;
							if (!t3lib_div::isFirstPartOfStr($fN,$table_class_prefix))	{
								$infoArray['NSerrors']['fields'][$fN] = $fN;
							} else {
								$infoArray['NSok']['fields'][$fN] = $fN;
							}
						}
					}
					if (is_array($d['keys']))	{
						foreach ($d['keys'] as $fN => $value) {
							$infoArray['dump_tf'][] = $tN.'.KEY:'.$fN;
						}
					}
				} else {
					$infoArray['dump_tf'][] = $tN;
					$infoArray['tables'][] = $tN;
					if (!t3lib_div::isFirstPartOfStr($tN,$table_class_prefix))	{
						$infoArray['NSerrors']['tables'][$tN] = $tN;
					} else $infoArray['NSok']['tables'][$tN] = $tN;
				}
			}
			if (count($dbInfo['structure']['diff']['diff']) || count($dbInfo['structure']['diff']['extra']))	{
				$msg = array();
				if (count($dbInfo['structure']['diff']['diff'])) {
					$msg[] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_tables_are_missing');
				}
				if (count($dbInfo['structure']['diff']['extra'])) {
					$msg[] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_tables_are_of_wrong_type');
				}
				$infoArray['tables_error'] = 1;
				if (t3lib_extMgm::isLoaded($extKey)) {
					$infoArray['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_tables_are'),
						implode(' ' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:and') . ' ', $msg)
					);
				}
			}
		}

		// Static tables?
		if (is_array($dbInfo['static']))	{
			$infoArray['static'] = array_keys($dbInfo['static']);

			foreach($dbInfo['static'] as $tN => $d)	{
				if (!$d['exists'])	{
					$infoArray['static_error'] = 1;
					if (t3lib_extMgm::isLoaded($extKey)) {
						$infoArray['errors'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_static_tables_missing');
					}
					if (!t3lib_div::isFirstPartOfStr($tN,$table_class_prefix))	{
						$infoArray['NSerrors']['tables'][$tN] = $tN;
					} else $infoArray['NSok']['tables'][$tN] = $tN;
				}
			}
		}

		// Backend Module-check:
		$knownModuleList = t3lib_div::trimExplode(',',$extInfo['EM_CONF']['module'],1);
		foreach($knownModuleList as $mod)	{
			if (@is_dir($absPath.$mod))	{
				if (@is_file($absPath.$mod.'/conf.php'))	{
					$confFileInfo = $this->modConfFileAnalysis($absPath.$mod.'/conf.php');
					if (is_array($confFileInfo['TYPO3_MOD_PATH']))	{
						$shouldBePath = $this->typeRelPaths[$extInfo['type']].$extKey.'/'.$mod.'/';
						if (strcmp($confFileInfo['TYPO3_MOD_PATH'][1][1],$shouldBePath))	{
							$infoArray['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_wrong_mod_path'),
								$confFileInfo['TYPO3_MOD_PATH'][1][1],
								$shouldBePath
							);
						}
					} else {
						// It seems like TYPO3_MOD_PATH and therefore also this warning is no longer needed.
						// $infoArray['errors'][] = 'No definition of TYPO3_MOD_PATH constant found inside!';
					}
					if (is_array($confFileInfo['MCONF_name']))	{
						$mName = $confFileInfo['MCONF_name'][1][1];
						$mNameParts = explode('_',$mName);
						$infoArray['moduleNames'][] = $mName;
						if (!t3lib_div::isFirstPartOfStr($mNameParts[0],$module_prefix) &&
						(!$mNameParts[1] || !t3lib_div::isFirstPartOfStr($mNameParts[1],$module_prefix)))	{
							$infoArray['NSerrors']['modname'][] = $mName;
						} else $infoArray['NSok']['modname'][] = $mName;
					} else $infoArray['errors'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_mconf_missing');
				} else  $infoArray['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_be_module_conf_missing'),
					$mod . '/conf.php'
				);
			} else $infoArray['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_module_folder_missing'),
				$mod . '/'
			);
		}
		$dirs = t3lib_div::get_dirs($absPath);
		if (is_array($dirs))	{
			reset($dirs);
			while(list(,$mod) = each($dirs))	{
				if (!in_array($mod,$knownModuleList) && @is_file($absPath.$mod.'/conf.php'))	{
					$confFileInfo = $this->modConfFileAnalysis($absPath.$mod.'/conf.php');
					if (is_array($confFileInfo))	{
						$infoArray['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_unconfigured_module'),
							$mod . '/conf.php'
						);
					}
				}
			}
		}

		// ext_tables.php:
		if (@is_file($absPath.'ext_tables.php'))	{
			$content = t3lib_div::getUrl($absPath.'ext_tables.php');
			if (stristr($content, 't3lib_extMgm::addModule'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_module');
			if (stristr($content, 't3lib_extMgm::insertModuleFunction'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_module_and_more');
			if (stristr($content, 't3lib_div::loadTCA'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_loadTCA');
			if (stristr($content, '$TCA['))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_TCA');
			if (stristr($content, 't3lib_extMgm::addPlugin'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_plugin');
		}

		// ext_localconf.php:
		if (@is_file($absPath.'ext_localconf.php'))	{
			$content = t3lib_div::getUrl($absPath.'ext_localconf.php');
			if (stristr($content, 't3lib_extMgm::addPItoST43'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_plugin_st43');
			if (stristr($content, 't3lib_extMgm::addPageTSConfig'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_page_ts');
			if (stristr($content, 't3lib_extMgm::addUserTSConfig'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_user_ts');
			if (stristr($content, 't3lib_extMgm::addTypoScriptSetup'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_ts_setup');
			if (stristr($content, 't3lib_extMgm::addTypoScriptConstants'))	$infoArray['flags'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_ts_constants');
		}

		if (@is_file($absPath.'ext_typoscript_constants.txt'))	{
			$infoArray['TSfiles'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_constants');
		}
		if (@is_file($absPath.'ext_typoscript_setup.txt'))	{
			$infoArray['TSfiles'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_setup');
		}
		if (@is_file($absPath.'ext_conf_template.txt'))	{
			$infoArray['conf'] = 1;
		}

		// Classes:
		if ($validity)	{
			$filesInside = $this->getClassIndexLocallangFiles($absPath,$table_class_prefix,$extKey);
			if (is_array($filesInside['errors']))	$infoArray['errors'] = array_merge((array)$infoArray['errors'],$filesInside['errors']);
			if (is_array($filesInside['NSerrors']))	$infoArray['NSerrors'] = array_merge((array)$infoArray['NSerrors'],$filesInside['NSerrors']);
			if (is_array($filesInside['NSok']))	$infoArray['NSok'] = array_merge((array)$infoArray['NSok'],$filesInside['NSok']);
			$infoArray['locallang'] = $filesInside['locallang'];
			$infoArray['classes'] = $filesInside['classes'];
		}

		// Upload folders
		if ($extInfo['EM_CONF']['uploadfolder'])	{
			$infoArray['uploadfolder'] = $this->ulFolder($extKey);
			if (!@is_dir(PATH_site.$infoArray['uploadfolder']))	{
				$infoArray['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_no_upload_folder'),
					$infoArray['uploadfolder']
				);
				$infoArray['uploadfolder'] = '';
			}
		}

		// Create directories:
		if ($extInfo['EM_CONF']['createDirs'])	{
			$infoArray['createDirs'] = array_unique(t3lib_div::trimExplode(',',$extInfo['EM_CONF']['createDirs'],1));
			foreach($infoArray['createDirs'] as $crDir)	{
				if (!@is_dir(PATH_site.$crDir))	{
					$infoArray['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_no_upload_folder'),
						$crDir
					);
				}
			}
		}

		// Return result array:
		return $infoArray;
	}

	/**
	 * Analyses the php-scripts of an available extension on server
	 *
	 * @param	string		Absolute path to extension
	 * @param	string		Prefix for tables/classes.
	 * @param	string		Extension key
	 * @return	array		Information array.
	 * @see makeDetailedExtensionAnalysis()
	 */
	function getClassIndexLocallangFiles($absPath,$table_class_prefix,$extKey)	{
		$filesInside = t3lib_div::removePrefixPathFromList(t3lib_div::getAllFilesAndFoldersInPath(array(),$absPath,'php,inc',0,99,$this->excludeForPackaging),$absPath);
		$out = array();
		$reg = array();

		foreach($filesInside as $fileName)	{
			if (substr($fileName,0,4)!='ext_' && substr($fileName,0,6)!='tests/')	{	// ignore supposed-to-be unit tests as well
				$baseName = basename($fileName);
				if (substr($baseName,0,9)=='locallang' && substr($baseName,-4)=='.php')	{
					$out['locallang'][] = $fileName;
				} elseif ($baseName!='conf.php')	{
					if (filesize($absPath.$fileName)<500*1024)	{
						$fContent = t3lib_div::getUrl($absPath.$fileName);
						unset($reg);
						if (preg_match('/\n[[:space:]]*class[[:space:]]*([[:alnum:]_]+)([[:alnum:][:space:]_]*)/',$fContent,$reg))	{

							// Find classes:
							$lines = explode(LF,$fContent);
							foreach($lines as $l)	{
								$line = trim($l);
								unset($reg);
								if (preg_match('/^class[[:space:]]*([[:alnum:]_]+)([[:alnum:][:space:]_]*)/',$line,$reg))	{
									$out['classes'][] = $reg[1];
									$out['files'][$fileName]['classes'][] = $reg[1];
									if ($reg[1]!=='ext_update' && substr($reg[1],0,3)!='ux_' && !t3lib_div::isFirstPartOfStr($reg[1],$table_class_prefix) && strcmp(substr($table_class_prefix,0,-1),$reg[1]))	{
										$out['NSerrors']['classname'][] = $reg[1];
									} else $out['NSok']['classname'][] = $reg[1];
								}
							}
							// If class file prefixed 'class.'....
							if (substr($baseName,0,6)=='class.')	{
								$fI = pathinfo($baseName);
								$testName=substr($baseName,6,-(1+strlen($fI['extension'])));
								if ($testName!=='ext_update' && substr($testName,0,3)!='ux_' && !t3lib_div::isFirstPartOfStr($testName,$table_class_prefix) && strcmp(substr($table_class_prefix,0,-1),$testName))	{
									$out['NSerrors']['classfilename'][] = $baseName;
								} else {
									$out['NSok']['classfilename'][] = $baseName;
									if (is_array($out['files'][$fileName]['classes']) && $this->first_in_array($testName,$out['files'][$fileName]['classes'],1))	{
										$out['msg'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_class_ok'),
											$fileName, $testName
										);
									} else $out['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_class_not_ok'),
										$fileName, $testName
									);
								}
							}

								// Check for proper XCLASS definition
								// Match $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS'] with single or doublequotes
							$XclassSearch = '\$TYPO3_CONF_VARS\[TYPO3_MODE\]\[[\'"]XCLASS[\'"]\]';
							$XclassParts = preg_split('/if \(defined\([\'"]TYPO3_MODE[\'"]\) && ' . $XclassSearch . '/', $fContent, 2);
							if (count($XclassParts) !== 2) {
									// Match $GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS'] with single or doublequotes
								$XclassSearch = '\$GLOBALS\[[\'"]TYPO3_CONF_VARS[\'"]\]\[TYPO3_MODE\]\[[\'"]XCLASS[\'"]\]';
								$XclassParts = preg_split('/if \(defined\([\'"]TYPO3_MODE[\'"]\) && ' . $XclassSearch . '/', $fContent, 2);
							}
							if (count($XclassParts)==2)	{
								unset($reg);
								preg_match('/^\[[\'"]([[:alnum:]_\/\.]*)[\'"]\]/',$XclassParts[1],$reg);
								if ($reg[1]) {
									$cmpF = 'ext/'.$extKey.'/'.$fileName;
									if (!strcmp($reg[1],$cmpF))	{
										if (preg_match('/_once[[:space:]]*\(' . $XclassSearch . '\[[\'"]' . preg_quote($cmpF, '/') . '[\'"]\]\);/', $XclassParts[1])) {
											$out['msg'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_xclass_ok'), $fileName);
										} else $out['errors'][] = $GLOBALS['LANG']->getLL('detailedExtAnalysis_xclass_no_include');
									} else $out['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_xclass_incorrect'),
										$reg[1], $cmpF
									);
								} else $out['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_no_xclass_filename'), $fileName);
							} elseif (!$this->first_in_array('ux_', $out['files'][$fileName]['classes'])) {
									// No Xclass definition required if classname starts with 'ux_'
								$out['errors'][] = sprintf($GLOBALS['LANG']->getLL('detailedExtAnalysis_no_xclass_found'), $fileName);
							}
						}
					}
				}
			}
		}
		return $out;
	}

	/**
	 * Reads $confFilePath (a module $conf-file) and returns information on the existence of TYPO3_MOD_PATH definition and MCONF_name
	 *
	 * @param	string		Absolute path to a "conf.php" file of a module which we are analysing.
	 * @return	array		Information found.
	 * @see writeTYPO3_MOD_PATH()
	 */
	function modConfFileAnalysis($confFilePath)	{
		$lines = explode(LF,t3lib_div::getUrl($confFilePath));
		$confFileInfo = array();
		$confFileInfo['lines'] = $lines;
		$reg = array();

		foreach($lines as $k => $l)	{
			$line = trim($l);

			unset($reg);
			if (preg_match('/^define[[:space:]]*\([[:space:]]*["\']TYPO3_MOD_PATH["\'][[:space:]]*,[[:space:]]*["\']([[:alnum:]_\/\.]+)["\'][[:space:]]*\)[[:space:]]*;/',$line,$reg))	{
				$confFileInfo['TYPO3_MOD_PATH'] = array($k,$reg);
			}

			unset($reg);
			if (preg_match('/^\$MCONF\[["\']?name["\']?\][[:space:]]*=[[:space:]]*["\']([[:alnum:]_]+)["\'];/',$line,$reg))	{
				$confFileInfo['MCONF_name'] = array($k,$reg);
			}
		}
		return $confFileInfo;
	}

	/**
	 * Creates a MD5-hash array over the current files in the extension
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	array		MD5-keys
	 */
	function serverExtensionMD5Array($extKey,$conf)	{

		// Creates upload-array - including filelist.
		$mUA = $this->makeUploadArray($extKey,$conf);

		$md5Array = array();
		if (is_array($mUA['FILES']))	{

			// Traverse files.
			foreach($mUA['FILES'] as $fN => $d)	{
				if ($fN!='ext_emconf.php')	{
					$md5Array[$fN] = substr($d['content_md5'],0,4);
				}
			}
		} else debug($mUA);
		return $md5Array;
	}

	/**
	 * Compares two arrays with MD5-hash values for analysis of which files has changed.
	 *
	 * @param	array		Current values
	 * @param	array		Past values
	 * @return	array		Affected files
	 */
	function findMD5ArrayDiff($current,$past)	{
		if (!is_array($current))	$current = array();
		if (!is_array($past))		$past = array();
		$filesInCommon = array_intersect($current,$past);
		$diff1 =  array_keys(array_diff($past,$filesInCommon));
		$diff2 =  array_keys(array_diff($current,$filesInCommon));
		$affectedFiles = array_unique(array_merge($diff1,$diff2));
		return $affectedFiles;
	}










	/***********************************
	*
	* File system operations
	*
	**********************************/

	/**
	 * Creates directories in $extDirPath
	 *
	 * @param	array		Array of directories to create relative to extDirPath, eg. "blabla", "blabla/blabla" etc...
	 * @param	string		Absolute path to directory.
	 * @return	mixed		Returns false on success or an error string
	 */
	function createDirsInPath($dirs,$extDirPath)	{
		if (is_array($dirs))	{
			foreach($dirs as $dir)	{
				$error = t3lib_div::mkdir_deep($extDirPath,$dir);
				if ($error)	return $error;
			}
		}

		return false;
	}

	/**
	 * Removes the extension directory (including content)
	 *
	 * @param	string		Extension directory to remove (with trailing slash)
	 * @param	boolean		If set, will leave the extension directory
	 * @return	boolean		False on success, otherwise error string.
	 */
	function removeExtDirectory($removePath,$removeContentOnly=0)	{
		$errors = array();
		if (@is_dir($removePath) && substr($removePath,-1)=='/' && (
		t3lib_div::isFirstPartOfStr($removePath,PATH_site.$this->typePaths['G']) ||
		t3lib_div::isFirstPartOfStr($removePath,PATH_site.$this->typePaths['L']) ||
		(t3lib_div::isFirstPartOfStr($removePath,PATH_site.$this->typePaths['S']) && $this->systemInstall) ||
		t3lib_div::isFirstPartOfStr($removePath, PATH_site . $GLOBALS['TYPO3_CONF_VARS']['BE']['fileadminDir'] . '_temp_/'))		// Playing-around directory...
		) {

			// All files in extension directory:
			$fileArr = t3lib_div::getAllFilesAndFoldersInPath(array(),$removePath,'',1);
			if (is_array($fileArr))	{

				// Remove files in dirs:
				foreach($fileArr as $removeFile)	{
					if (!@is_dir($removeFile))	{
						if (@is_file($removeFile) && t3lib_div::isFirstPartOfStr($removeFile,$removePath) && strcmp($removeFile,$removePath))	{	// ... we are very paranoid, so we check what cannot go wrong: that the file is in fact within the prefix path!
							@unlink($removeFile);
							clearstatcache();
							if (@is_file($removeFile))	{
								$errors[] = sprintf($GLOBALS['LANG']->getLL('rmExtDir_could_not_be_deleted'),
									$removeFile
								);
							}
						} else $errors[] = sprintf($GLOBALS['LANG']->getLL('rmExtDir_error_file'),
							$removeFile, $removePath
						);
					}
				}

				// Remove directories:
				$remDirs = $this->extractDirsFromFileList(t3lib_div::removePrefixPathFromList($fileArr,$removePath));
				$remDirs = array_reverse($remDirs);	// Must delete outer directories first...
				foreach($remDirs as $removeRelDir)	{
					$removeDir = $removePath.$removeRelDir;
					if (@is_dir($removeDir))	{
						@rmdir($removeDir);
						clearstatcache();
						if (@is_dir($removeDir))	{
							$errors[] = sprintf($GLOBALS['LANG']->getLL('rmExtDir_error_files_left'),
								$removeDir
							);
						}
					} else $errors[] = sprintf($GLOBALS['LANG']->getLL('rmExtDir_error_no_dir'),
						$removeDir
					);
				}

				// If extension dir should also be removed:
				if (!$removeContentOnly)	{
					@rmdir($removePath);
					clearstatcache();
					if (@is_dir($removePath))	{
						$errors[] = sprintf($GLOBALS['LANG']->getLL('rmExtDir_error_folders_left'),
							$removePath
						);
					}
				}
			} else $errors[] = $GLOBALS['LANG']->getLL('rmExtDir_error') . ' ' . $fileArr;
		} else $errors[] = $GLOBALS['LANG']->getLL('rmExtDir_error_unallowed_path') . ' ' . $removePath;

		// Return errors if any:
		return implode(LF,$errors);
	}

	/**
	 * Removes the current extension of $type and creates the base folder for the new one (which is going to be imported)
	 *
	 * @param	array		Data for imported extension
	 * @param	string		Extension installation scope (L,G,S)
	 * @param	boolean		If set, nothing will be deleted (neither directory nor files)
	 * @return	mixed		Returns array on success (with extension directory), otherwise an error string.
	 */
	function clearAndMakeExtensionDir($importedData,$type,$dontDelete=0)	{
		if (!$importedData['extKey'])	return $GLOBALS['LANG']->getLL('clearMakeExtDir_no_ext_key');

		// Setting install path (L, G, S or fileadmin/_temp_/)
		$path = '';
		switch((string)$type)	{
			case 'G':
			case 'L':
				$path = PATH_site.$this->typePaths[$type];
				$suffix = '';

				// Creates the typo3conf/ext/ directory if it does NOT already exist:
				if ((string)$type=='L' && !@is_dir($path))	{
					t3lib_div::mkdir($path);
				}
				break;
			default:
				if ($this->systemInstall && (string)$type=='S')	{
					$path = PATH_site.$this->typePaths[$type];
					$suffix = '';
				} else {
					$path = PATH_site . $GLOBALS['TYPO3_CONF_VARS']['BE']['fileadminDir'] . '_temp_/';
					$suffix = '_'.date('dmy-His');
				}
				break;
		}

		// If the install path is OK...
		if ($path && @is_dir($path))	{

			// Set extension directory:
			$extDirPath = $path.$importedData['extKey'].$suffix.'/';

			// Install dir was found, remove it then:
			if (@is_dir($extDirPath))	{
				if($dontDelete) return array($extDirPath);
				$res = $this->removeExtDirectory($extDirPath);
				if ($res) {
					$flashMessage = t3lib_div::makeInstance(
						't3lib_FlashMessage',
						nl2br($res),
						sprintf($GLOBALS['LANG']->getLL('clearMakeExtDir_could_not_remove_dir'), $extDirPath),
						t3lib_FlashMessage::ERROR
					);
					return $flashMessage->render();
				}
			}

			// We go create...
			t3lib_div::mkdir($extDirPath);
			if (!is_dir($extDirPath)) {
				return sprintf($GLOBALS['LANG']->getLL('clearMakeExtDir_could_not_create_dir'),
					$extDirPath);
			}
			return array($extDirPath);
		} else return sprintf($GLOBALS['LANG']->getLL('clearMakeExtDir_no_dir'),
			$path);
	}

	/**
	 * Unlink (delete) cache files
	 *
	 * @return	integer		Number of deleted files.
	 */
	function removeCacheFiles()	{
		return t3lib_extMgm::removeCacheFiles();
	}

	/**
	 * Extracts the directories in the $files array
	 *
	 * @param	array		Array of files / directories
	 * @return	array		Array of directories from the input array.
	 */
	function extractDirsFromFileList($files)	{
		$dirs = array();

		if (is_array($files))	{
			// Traverse files / directories array:
			foreach($files as $file)	{
				if (substr($file,-1)=='/')	{
					$dirs[$file] = $file;
				} else {
					$pI = pathinfo($file);
					if (strcmp($pI['dirname'],'') && strcmp($pI['dirname'],'.'))	{
						$dirs[$pI['dirname'].'/'] = $pI['dirname'].'/';
					}
				}
			}
		}
		return $dirs;
	}

	/**
	 * Returns the absolute path where the extension $extKey is installed (based on 'type' (SGL))
	 *
	 * @param	string		Extension key
	 * @param	string		Install scope type: L, G, S
	 * @return	string		Returns the absolute path to the install scope given by input $type variable. It is checked if the path is a directory. Slash is appended.
	 */
	function getExtPath($extKey,$type)	{
		$typeP = $this->typePaths[$type];
		if ($typeP)	{
			$path = PATH_site.$typeP.$extKey.'/';
			return @is_dir($path) ? $path : '';
		} else {
			return '';
		}
	}










	/*******************************
	*
	* Writing to "conf.php" and "localconf.php" files
	*
	******************************/

	/**
	 * Write new TYPO3_MOD_PATH to "conf.php" file.
	 *
	 * @param	string		Absolute path to a "conf.php" file of the backend module which we want to write back to.
	 * @param	string		Install scope type: L, G, S
	 * @param	string		Relative path for the module folder in extenson
	 * @return	string		Returns message about the status.
	 * @see modConfFileAnalysis()
	 */
	function writeTYPO3_MOD_PATH($confFilePath,$type,$mP)	{
		$lines = explode(LF,t3lib_div::getUrl($confFilePath));
		$confFileInfo = array();
		$confFileInfo['lines'] = $lines;
		$reg = array();

		$flag_M = 0;
		$flag_B = 0;
		$flag_Dispatch = 0;

		foreach($lines as $k => $l)	{
			$line = trim($l);

			unset($reg);
			if (preg_match('/^define[[:space:]]*\([[:space:]]*["\']TYPO3_MOD_PATH["\'][[:space:]]*,[[:space:]]*["\']([[:alnum:]_\/\.]+)["\'][[:space:]]*\)[[:space:]]*;/',$line,$reg))	{
				$lines[$k] = str_replace($reg[0], 'define(\'TYPO3_MOD_PATH\', \''.$this->typeRelPaths[$type].$mP.'\');', $lines[$k]);
				$flag_M = $k+1;
			}

			unset($reg);
			if (preg_match('/^\$BACK_PATH[[:space:]]*=[[:space:]]*["\']([[:alnum:]_\/\.]+)["\'][[:space:]]*;/', $line, $reg)) {
				$lines[$k] = str_replace($reg[0], '$BACK_PATH=\'' . $this->typeBackPaths[$type] . '\';', $lines[$k]);
				$flag_B = $k + 1;
			}

				// Check if this module uses new API (see http://bugs.typo3.org/view.php?id=5278)
				// where TYPO3_MOD_PATH and BACK_PATH are not required
			unset($reg);
			if (preg_match('/^\$MCONF\[["\']script["\']\][[:space:]]*=[[:space:]]*["\']_DISPATCH["\'][[:space:]]*;/', $line, $reg)) {
				$flag_Dispatch = $k+1;
			}

		}

		if ($flag_B && $flag_M)	{
			t3lib_div::writeFile($confFilePath,implode(LF,$lines));
			return sprintf($GLOBALS['LANG']->getLL('writeModPath_ok'),
				substr($confFilePath, strlen(PATH_site)));
		} elseif ($flag_Dispatch){
			return sprintf(
				$GLOBALS['LANG']->getLL('writeModPath_notRequired'),
				substr($confFilePath, strlen(PATH_site))
			);
		} else return $GLOBALS["TBE_TEMPLATE"]->rfw(
			sprintf($GLOBALS['LANG']->getLL('writeModPath_error'),
			$confFilePath)
		);
	}

	/**
	 * Writes the extension list to "localconf.php" file
	 * Removes the temp_CACHED* files before return.
	 *
	 * @param	string		List of extensions
	 * @return	void
	 */
	function writeNewExtensionList($newExtList)	{
		global $TYPO3_CONF_VARS;

		$strippedExtensionList = $this->stripNonFrontendExtensions($newExtList);

		// Instance of install tool
		$instObj = new t3lib_install;
		$instObj->allowUpdateLocalConf =1;
		$instObj->updateIdentity = 'TYPO3 Extension Manager';

		// Get lines from localconf file
		$lines = $instObj->writeToLocalconf_control();
		$instObj->setValueInLocalconfFile($lines, '$TYPO3_CONF_VARS[\'EXT\'][\'extList\']', $newExtList);
		$instObj->setValueInLocalconfFile($lines, '$TYPO3_CONF_VARS[\'EXT\'][\'extList_FE\']', $strippedExtensionList);
		$instObj->writeToLocalconf_control($lines);

		$TYPO3_CONF_VARS['EXT']['extList'] = $newExtList;
		$TYPO3_CONF_VARS['EXT']['extList_FE'] = $strippedExtensionList;
		$this->removeCacheFiles();
	}

	/**
	 * Removes unneeded extensions from the frontend based on
	 * EMCONF doNotLoadInFE = 1
	 *
	 * @param string $extList
	 * @return string
	 */
	function stripNonFrontendExtensions($extList) {
		$fullExtList = $this->getInstalledExtensions();
		$extListArray = t3lib_div::trimExplode(',', $extList);
		foreach ($extListArray as $arrayKey => $extKey) {
			if ($fullExtList[0][$extKey]['EM_CONF']['doNotLoadInFE'] == 1) {
				unset($extListArray[$arrayKey]);
			}
		}
		$nonFEList = implode(',', $extListArray);
		return $nonFEList;
	}

	/**
	 * Writes the TSstyleconf values to "localconf.php"
	 * Removes the temp_CACHED* files before return.
	 *
	 * @param	string		Extension key
	 * @param	array		Configuration array to write back
	 * @return	void
	 */
	function writeTsStyleConfig($extKey,$arr)	{

		// Instance of install tool
		$instObj = new t3lib_install;
		$instObj->allowUpdateLocalConf =1;
		$instObj->updateIdentity = 'TYPO3 Extension Manager';

		// Get lines from localconf file
		$lines = $instObj->writeToLocalconf_control();
		$instObj->setValueInLocalconfFile($lines, '$TYPO3_CONF_VARS[\'EXT\'][\'extConf\'][\''.$extKey.'\']', serialize($arr));	// This will be saved only if there are no linebreaks in it !
		$instObj->writeToLocalconf_control($lines);

		$this->removeCacheFiles();
	}

	/**
	 * Forces update of local EM_CONF. This will renew the information of changed files.
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	string		Status message
	 */
	function updateLocalEM_CONF($extKey,$extInfo)	{
		$extInfo['EM_CONF']['_md5_values_when_last_written'] = serialize($this->serverExtensionMD5Array($extKey,$extInfo));
		$emConfFileContent = $this->construct_ext_emconf_file($extKey,$extInfo['EM_CONF']);

		$absPath = $this->getExtPath($extKey,$extInfo['type']);
		$emConfFileName = $absPath.'ext_emconf.php';
		if($emConfFileContent)	{

			if(@is_file($emConfFileName))	{
				if(t3lib_div::writeFile($emConfFileName,$emConfFileContent) === true) {
					return sprintf($GLOBALS['LANG']->getLL('updateLocalEM_CONF_ok'),
						substr($emConfFileName, strlen($absPath)));
				} else {
					return '<strong>' . sprintf($GLOBALS['LANG']->getLL('updateLocalEM_CONF_not_writable'),
						$emConfFileName) . '</strong>';
				}
			} else return('<strong>' . sprintf($GLOBALS['LANG']->getLL('updateLocalEM_CONF_not_found'),
				$emConfFileName) . '</strong>');
		} else {
			return sprintf($GLOBALS['LANG']->getLL('updateLocalEM_CONF_no_content'),
				substr($emConfFileName, strlen($absPath)));
		}
	}










	/*******************************************
	*
	* Compiling upload information, emconf-file etc.
	*
	*******************************************/

	/**
	 * Compiles the ext_emconf.php file
	 *
	 * @param	string		Extension key
	 * @param	array		EM_CONF array
	 * @return	string		PHP file content, ready to write to ext_emconf.php file
	 */
	function construct_ext_emconf_file($extKey,$EM_CONF)	{

			// clean version number:
		$vDat = $this->renderVersion($EM_CONF['version']);
		$EM_CONF['version']=$vDat['version'];

		$code = '<?php

########################################################################
# Extension Manager/Repository config file for ext "'.$extKey.'".
#
# Auto generated '.date('d-m-Y H:i').'
#
# Manual updates:
# Only the data in the array - everything else is removed by next
# writing. "version" and "dependencies" must not be touched!
########################################################################

$EM_CONF[$_EXTKEY] = '.$this->arrayToCode($EM_CONF, 0).';

?>';
		return str_replace(CR, '', $code);
	}

	/**
	 * Enter description here...
	 *
	 * @param	unknown_type		$array
	 * @param	unknown_type		$lines
	 * @param	unknown_type		$level
	 * @return	unknown
	 */
	function arrayToCode($array, $level=0) {
		$lines = 'array('.LF;
		$level++;
		foreach($array as $k => $v)	{
			if(strlen($k) && is_array($v)) {
				$lines .= str_repeat(TAB,$level)."'".$k."' => ".$this->arrayToCode($v, $level);
			} elseif(strlen($k)) {
				$lines .= str_repeat(TAB,$level)."'".$k."' => ".(t3lib_div::testInt($v) ? intval($v) : "'".t3lib_div::slashJS(trim($v),1)."'").','.LF;
			}
		}

		$lines .= str_repeat(TAB,$level-1).')'.($level-1==0 ? '':','.LF);
		return $lines;
	}

	/**
	 * Make upload array out of extension
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	mixed		Returns array with extension upload array on success, otherwise an error string.
	 */
	function makeUploadArray($extKey,$conf)	{
		$extPath = $this->getExtPath($extKey,$conf['type']);

		if ($extPath)	{

			// Get files for extension:
			$fileArr = array();
			$fileArr = t3lib_div::getAllFilesAndFoldersInPath($fileArr,$extPath,'',0,99,$this->excludeForPackaging);

			// Calculate the total size of those files:
			$totalSize = 0;
			foreach($fileArr as $file)	{
				$totalSize+=filesize($file);
			}

			// If the total size is less than the upper limit, proceed:
			if ($totalSize < $this->maxUploadSize)	{

				// Initialize output array:
				$uploadArray = array();
				$uploadArray['extKey'] = $extKey;
				$uploadArray['EM_CONF'] = $conf['EM_CONF'];
				$uploadArray['misc']['codelines'] = 0;
				$uploadArray['misc']['codebytes'] = 0;

				$uploadArray['techInfo'] = $this->makeDetailedExtensionAnalysis($extKey,$conf,1);

				// Read all files:
				foreach($fileArr as $file)	{
					$relFileName = substr($file,strlen($extPath));
					$fI = pathinfo($relFileName);
					if ($relFileName!='ext_emconf.php')	{		// This file should be dynamically written...
						$uploadArray['FILES'][$relFileName] = array(
						'name' => $relFileName,
						'size' => filesize($file),
						'mtime' => filemtime($file),
						'is_executable' => (TYPO3_OS=='WIN' ? 0 : is_executable($file)),
						'content' => t3lib_div::getUrl($file)
						);
						if (t3lib_div::inList('php,inc',strtolower($fI['extension'])))	{
							$uploadArray['FILES'][$relFileName]['codelines']=count(explode(LF,$uploadArray['FILES'][$relFileName]['content']));
							$uploadArray['misc']['codelines']+=$uploadArray['FILES'][$relFileName]['codelines'];
							$uploadArray['misc']['codebytes']+=$uploadArray['FILES'][$relFileName]['size'];

							// locallang*.php files:
							if (substr($fI['basename'],0,9)=='locallang' && strstr($uploadArray['FILES'][$relFileName]['content'],'$LOCAL_LANG'))	{
								$uploadArray['FILES'][$relFileName]['LOCAL_LANG']=$this->getSerializedLocalLang($file,$uploadArray['FILES'][$relFileName]['content']);
							}
						}
						$uploadArray['FILES'][$relFileName]['content_md5'] = md5($uploadArray['FILES'][$relFileName]['content']);
					}
				}

				// Return upload-array:
				return $uploadArray;
			} else return sprintf($GLOBALS['LANG']->getLL('makeUploadArray_error_size'),
				$totalSize, t3lib_div::formatSize($this->maxUploadSize));
		} else {
			return sprintf($GLOBALS['LANG']->getLL('makeUploadArray_error_path'),
				$extKey);
		}
	}

	/**
	 * Include a locallang file and return the $LOCAL_LANG array serialized.
	 *
	 * @param	string		Absolute path to locallang file to include.
	 * @param	string		Old content of a locallang file (keeping the header content)
	 * @return	array		Array with header/content as key 0/1
	 * @see makeUploadArray()
	 */
	function getSerializedLocalLang($file, $content) {
		$LOCAL_LANG = NULL;
		$returnParts = explode('$LOCAL_LANG', $content, 2);

		include($file);
		if (is_array($LOCAL_LANG))	{
			$returnParts[1] = serialize($LOCAL_LANG);
			return $returnParts;
		} else {
			return array();
		}
	}










	/********************************
	*
	* Managing dependencies, conflicts, priorities, load order of extension keys
	*
	*******************************/

	/**
	 * Adds extension to extension list and returns new list. If -1 is returned, an error happend.
	 * Checks dependencies etc.
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array - information about installed extensions
	 * @return	string		New list of installed extensions or -1 if error
	 * @see showExtDetails()
	 */
	function addExtToList($extKey,$instExtInfo)	{
		global $TYPO3_LOADED_EXT;

			// ext_emconf.php information:
		$conf = $instExtInfo[$extKey]['EM_CONF'];

			// Get list of installed extensions and add this one.
		$listArr = array_keys($TYPO3_LOADED_EXT);
		if ($conf['priority']=='top')	{
			array_unshift($listArr,$extKey);
		} else {
			$listArr[]=$extKey;
		}

			// Manage other circumstances:
		$listArr = $this->managesPriorities($listArr,$instExtInfo);
		$listArr = $this->removeRequiredExtFromListArr($listArr);

			// Implode unique list of extensions to load and return:
		$list = implode(',',array_unique($listArr));
		return $list;
	}

	/**
	 * Enter description here...
	 *
	 * @param	string		$extKey
	 * @param	array		$conf
	 * @param	array		$instExtInfo
	 * @return	array
	 */
	function checkDependencies($extKey, $conf, $instExtInfo) {
		$content = '';
		$depError = false;
		$depIgnore = false;
		$msg = array();
		$depsolver = t3lib_div::_POST('depsolver');

		if (isset($conf['constraints']['depends']) && is_array($conf['constraints']['depends'])) {
			foreach($conf['constraints']['depends'] as $depK => $depV)	{
				if($depsolver['ignore'][$depK]) {
					$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_ignored'),
						 $depK) . '
						<input type="hidden" value="1" name="depsolver[ignore]['.$depK.']" />';
					$depIgnore = true;
					continue;
				}
				if($depK == 'php') {
					if(!$depV) continue;
					$versionRange = $this->splitVersionRange($depV);
					$phpv = strstr(PHP_VERSION,'-') ? substr(PHP_VERSION,0,strpos(PHP_VERSION,'-')) : PHP_VERSION; // Linux distributors like to add suffixes, like in 5.1.2-1. Those must be ignored!
					if ($versionRange[0]!='0.0.0' && version_compare($phpv,$versionRange[0],'<'))	{
						$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_php_too_low'),
							$phpv, $versionRange[0]);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $depK . ']" id="checkIgnore_' . $depK . '" />
							<label for="checkIgnore_' . $depK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_requirement') . '</label>';
						$depError = true;
						continue;
					} elseif ($versionRange[1]!='0.0.0' && version_compare($phpv,$versionRange[1],'>'))	{
						$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_php_too_high'),
							$phpv, $versionRange[1]);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $depK . ']" id="checkIgnore_' . $depK . '" />
							<label for="checkIgnore_' . $depK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_requirement') . '</label>';
						$depError = true;
						continue;
					}

				} elseif ($depK == 'typo3')	{
					if (!$depV) continue;

						// if the current TYPO3 version is a development version (like TYPO3 4.4-dev),
						// then it should behave like TYPO3 4.4.0
					$t3version = TYPO3_version;
					if (stripos($t3version, '-dev')
						|| stripos($t3version, '-alpha')
						|| stripos($t3version, '-beta')
						|| stripos($t3version, '-RC')) {
							// find the last occurence of "-" and replace that part with a ".0"
						$t3version = substr($t3version, 0, strrpos($t3version, '-')) . '.0';
					}

					$versionRange = $this->splitVersionRange($depV);
					if ($versionRange[0]!='0.0.0' && version_compare($t3version, $versionRange[0], '<')) {
						$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_typo3_too_low'),
							$t3version, $versionRange[0]);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $depK . ']" id="checkIgnore_' . $depK . '" />
							<label for="checkIgnore_' . $depK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_requirement') . '</label>';
						$depError = true;
						continue;
					} elseif ($versionRange[1]!='0.0.0' && version_compare($t3version, $versionRange[1], '>')) {
						$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_typo3_too_high'),
							$t3version, $versionRange[1]);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $depK . ']" id="checkIgnore_' . $depK . '" />
							<label for="checkIgnore_' . $depK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_requirement') . '</label>';
						$depError = true;
						continue;
					}
				} elseif (strlen($depK) && !t3lib_extMgm::isLoaded($depK))	{	// strlen check for braindead empty dependencies coming from extensions...
					if(!isset($instExtInfo[$depK]))	{
						$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_ext_not_available'),
							$depK);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;' . t3lib_iconWorks::getSpriteIcon('actions-system-extension-import', array('title' => $GLOBALS['LANG']->getLL('checkDependencies_import_ext'))) . '&nbsp;
							<a href="index.php?CMD[importExt]=' . $depK . '&CMD[loc]=L&CMD[standAlone]=1" target="_blank">' . $GLOBALS['LANG']->getLL('checkDependencies_import_now') . '</a>';
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $depK . ']" id="checkIgnore_' . $depK . '" />
							<label for="checkIgnore_' . $depK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_ext_requirement') . '</label>';
					} else {
						$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_ext_not_installed'),
							$depK, $instExtInfo[$depK]['EM_CONF']['title']);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;' . $this->installButton() . '&nbsp;
							<a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $depK . '&CMD[load]=1&CMD[clrCmd]=1&CMD[standAlone]=1&SET[singleDetails]=info') .
							'" target="_blank">' . $GLOBALS['LANG']->getLL('checkDependencies_install_now') . '</a>';
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $depK . ']" id="checkIgnore_' . $depK . '" />
							<label for="checkIgnore_' . $depK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_ext_requirement') . '</label>';
					}
					$depError = true;
				} else {
					$versionRange = $this->splitVersionRange($depV);
					if ($versionRange[0]!='0.0.0' && version_compare($instExtInfo[$depK]['EM_CONF']['version'],$versionRange[0],'<'))	{
						$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_ext_too_low'),
							$depK, $instExtInfo[$depK]['EM_CONF']['version'], $versionRange[0]);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $depK . ']" id="checkIgnore_' . $depK . '" />
							<label for="checkIgnore_' . $depK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_requirement') . '</label>';
						$depError = true;
						continue;
					} elseif ($versionRange[1]!='0.0.0' && version_compare($instExtInfo[$depK]['EM_CONF']['version'],$versionRange[1],'>'))	{
						$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_ext_too_high'),
							$depK, $instExtInfo[$depK]['EM_CONF']['version'], $versionRange[1]);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $depK . ']" id="checkIgnore_' . $depK . '" />
							<label for="checkIgnore_' . $depK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_requirement') . '</label>';
						$depError = true;
						continue;
					}
				}
			}
		}
		if($depError || $depIgnore) {
			$content .= $this->doc->section(
				$GLOBALS['LANG']->getLL('removeExtFromList_dependency_error'),
				implode('<br />', $msg), 0, 1, 2
			);
		}

			// Check conflicts with other extensions:
		$conflictError = false;
		$conflictIgnore = false;
		$msg = array();

		if (isset($conf['constraints']['conflicts']) && is_array($conf['constraints']['conflicts'])) {
			foreach((array)$conf['constraints']['conflicts'] as $conflictK => $conflictV)	{
				if($depsolver['ignore'][$conflictK]) {
					$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_conflict_ignored'),
						$conflictK) . '
						<input type="hidden" value="1" name="depsolver[ignore]['.$conflictK.']" />';
					$conflictIgnore = true;
					continue;
				}
				if (t3lib_extMgm::isLoaded($conflictK))	{
					$versionRange = $this->splitVersionRange($conflictV);
					if ($versionRange[0] != '0.0.0' && version_compare($instExtInfo[$conflictK]['EM_CONF']['version'],$versionRange[0],'<'))	{
						continue;
					}
					elseif ($versionRange[1] != '0.0.0' && version_compare($instExtInfo[$conflictK]['EM_CONF']['version'],$versionRange[1],'>'))	{
						continue;
					}
					$msg[] = sprintf($GLOBALS['LANG']->getLL('checkDependencies_conflict_remove'),
						$extKey, $conflictK, $instExtInfo[$conflictK]['EM_CONF']['title'], $conflictK, $extKey);
					$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;' . $this->removeButton() . '&nbsp;
						<a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $conflictK . '&CMD[remove]=1&CMD[clrCmd]=1&CMD[standAlone]=1&SET[singleDetails]=info') .
						'" target="_blank">' . $GLOBALS['LANG']->getLL('checkDependencies_remove_now') . '</a>';
					$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $conflictK . ']" id="checkIgnore_' . $conflictK . '" />
						<label for="checkIgnore_' . $conflictK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_conflict') . '</label>';
					$conflictError = true;
				}
			}
		}
		if($conflictError || $conflictIgnore) {
			$content .= $this->doc->section(
				$GLOBALS['LANG']->getLL('checkDependencies_conflict_error'), implode('<br />', $msg), 0, 1, 2
			);
		}

			// Check suggests on other extensions:
		if(isset($conf['constraints']['suggests']) && is_array($conf['constraints']['suggests'])) {
			$suggestion = false;
			$suggestionIgnore = false;
			$msg = array();
			foreach($conf['constraints']['suggests'] as $suggestK => $suggestV)	{
				if($depsolver['ignore'][$suggestK]) {
					$msg[] = '<br />' . sprintf($GLOBALS['LANG']->getLL('checkDependencies_suggestion_ignored'),
						$suggestK) . '
				<input type="hidden" value="1" name="depsolver[ignore]['.$suggestK.']" />';
					$suggestionIgnore = true;
					continue;
				}
				if (!t3lib_extMgm::isLoaded($suggestK))	{
					if (!isset($instExtInfo[$suggestK]))	{
						$msg[] = sprintf($GLOBALS['LANG']->getLL('checkDependencies_suggest_import'),
							$suggestK);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;' . t3lib_iconWorks::getSpriteIcon('actions-system-extension-import', array('title' => $GLOBALS['LANG']->getLL('checkDependencies_import_ext'))) . '&nbsp;
							<a href="index.php?CMD[importExt]=' . $suggestK . '&CMD[loc]=L&CMD[standAlone]=1" target="_blank">' . $GLOBALS['LANG']->getLL('checkDependencies_import_now') . '</a>';
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $suggestK . ']" id="checkIgnore_' . $suggestK . '" />
							<label for="checkIgnore_' . $suggestK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_suggestion') . '</label>';
					} else {
						$msg[] = sprintf($GLOBALS['LANG']->getLL('checkDependencies_suggest_installation'),
							$suggestK, $instExtInfo[$suggestK]['EM_CONF']['title']);
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;' . $this->installButton() . '&nbsp;
							<a href="' . htmlspecialchars('index.php?CMD[showExt]=' . $suggestK . '&CMD[load]=1&CMD[clrCmd]=1&CMD[standAlone]=1&SET[singleDetails]=info') .
							'" target="_blank">' . $GLOBALS['LANG']->getLL('checkDependencies_install_now') . '</a>';
						$msg[] = '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" value="1" name="depsolver[ignore][' . $suggestK . ']" id="checkIgnore_' . $suggestK . '" />
							<label for="checkIgnore_' . $suggestK . '">' . $GLOBALS['LANG']->getLL('checkDependencies_ignore_suggestion') . '</label>';
					}
					$suggestion = true;
				}
			}
			if($suggestion || $suggestionIgnore) {
				$content .= $this->doc->section(
					sprintf($GLOBALS['LANG']->getLL('checkDependencies_exts_suggested_by_ext'), $extKey),
					implode('<br />', $msg), 0, 1, 1
				);
			}
		}

		if($depError || $conflictError || $suggestion) {
			foreach($this->CMD as $k => $v) {
				$content .= '<input type="hidden" name="CMD['.$k.']" value="'.$v.'" />';
			}
			$content .= '<br /><br /><input type="submit" value="' . $GLOBALS['LANG']->getLL('checkDependencies_try_again') . '" />';

			return array('returnCode' => false, 'html' => '<form action="index.php" method="post" name="depform">'.$content.'</form>');
		}

		return array('returnCode' => true);
	}

	/**
	 * Remove extension key from the list of currently installed extensions and return list. If -1 is returned, an error happend.
	 * Checks dependencies etc.
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array - information about installed extensions
	 * @return	string		New list of installed extensions or -1 if error
	 * @see showExtDetails()
	 */
	function removeExtFromList($extKey,$instExtInfo)	{
		global $TYPO3_LOADED_EXT;

			// Initialize:
		$depList = array();
		$listArr = array_keys($TYPO3_LOADED_EXT);

			// Traverse all installed extensions to check if any of them have this extension as dependency since if that is the case it will not work out!
		foreach($listArr as $k => $ext)	{
			if ($instExtInfo[$ext]['EM_CONF']['dependencies'])	{
				$dep = t3lib_div::trimExplode(',',$instExtInfo[$ext]['EM_CONF']['dependencies'],1);
				if (in_array($extKey,$dep))	{
					$depList[] = $ext;
				}
			}
			if (!strcmp($ext,$extKey))	unset($listArr[$k]);
		}

			// Returns either error or the new list
		if (count($depList))	{
			$msg = sprintf($GLOBALS['LANG']->getLL('removeExtFromList_dependency'),
				implode(', ', $depList)
			);
			$this->content .= $this->doc->section($GLOBALS['LANG']->getLL('removeExtFromList_dependency_error'), $msg, 0, 1, 2);
			return -1;
		} else {
			$listArr = $this->removeRequiredExtFromListArr($listArr);
			$list = implode(',',array_unique($listArr));
			return $list;
		}
	}

	/**
	 * This removes any required extensions from the $listArr - they should NOT be added to the common extension list, because they are found already in "requiredExt" list
	 *
	 * @param	array		Array of extension keys as values
	 * @return	array		Modified array
	 * @see removeExtFromList(), addExtToList()
	 */
	function removeRequiredExtFromListArr($listArr)	{
		foreach($listArr as $k => $ext)	{
			if (in_array($ext,$this->requiredExt) || !strcmp($ext,'_CACHEFILE'))	unset($listArr[$k]);
		}
		return $listArr;
	}

	/**
	 * Traverse the array of installed extensions keys and arranges extensions in the priority order they should be in
	 *
	 * @param	array		Array of extension keys as values
	 * @param	array		Extension information array
	 * @return	array		Modified array of extention keys as values
	 * @see addExtToList()
	 */
	function managesPriorities($listArr,$instExtInfo)	{

			// Initialize:
		$levels = array(
			'top' => array(),
			'middle' => array(),
			'bottom' => array(),
		);

			// Traverse list of extensions:
		foreach($listArr as $ext)	{
			$prio = trim($instExtInfo[$ext]['EM_CONF']['priority']);
			switch((string)$prio)	{
				case 'top':
				case 'bottom':
					$levels[$prio][] = $ext;
					break;
				default:
					$levels['middle'][] = $ext;
					break;
			}
		}
		return array_merge(
			$levels['top'],
			$levels['middle'],
			$levels['bottom']
		);
	}










	/*******************************
	*
	* System Update functions (based on extension requirements)
	*
	******************************/

	/**
	 * Check if clear-cache should be performed, otherwise show form (for installation of extension)
	 * Shown only if the extension has the clearCacheOnLoad flag set.
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	string		HTML output (if form is shown)
	 */
	function checkClearCache($extInfo)	{
		if ($extInfo['EM_CONF']['clearCacheOnLoad'])	{
			if (t3lib_div::_POST('_clear_all_cache'))	{		// Action: Clearing the cache
				$tce = t3lib_div::makeInstance('t3lib_TCEmain');
				$tce->stripslashes_values = 0;
				$tce->start(Array(),Array());
				$tce->clear_cacheCmd('all');
			} else {	// Show checkbox for clearing cache:
				$content.= '
					<br />
					<h3>' . $GLOBALS['LANG']->getLL('checkUploadFolder_clear_cache') . '</h3>
					<p>' . $GLOBALS['LANG']->getLL('checkUploadFolder_clear_cache_requested') . '<br />
						<label for="check_clear_all_cache">' . $GLOBALS['LANG']->getLL('checkUploadFolder_clear_all_cache') . '</label>
						<input type="checkbox" name="_clear_all_cache" id="check_clear_all_cache" checked="checked" value="1" /><br />
					</p>
				';
			}
		}
		return $content;
	}

	/**
	 * Check if upload folder / "createDir" directories should be created.
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	string		HTML content.
	 */
	function checkUploadFolder($extKey,$extInfo)	{

			// Checking for upload folder:
		$uploadFolder = PATH_site.$this->ulFolder($extKey);
		if ($extInfo['EM_CONF']['uploadfolder'] && !@is_dir($uploadFolder))	{
			if (t3lib_div::_POST('_uploadfolder'))	{	// CREATE dir:
				t3lib_div::mkdir($uploadFolder);
				$indexContent = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
	<TITLE></TITLE>
<META http-equiv=Refresh Content="0; Url=../../">
</HEAD>
</HTML>';
				t3lib_div::writeFile($uploadFolder.'index.html',$indexContent);
			} else {	// Show checkbox / HTML for creation:
				$content.='
					<br /><h3>' . $GLOBALS['LANG']->getLL('checkUploadFolder_create_upload_folder') . '</h3>
					<p>' . sprintf($GLOBALS['LANG']->getLL('checkUploadFolder_upload_folder_needed'),
							$this->ulFolder($extKey)
						) . '<br />
						<label for="check_uploadfolder">' . sprintf($GLOBALS['LANG']->getLL('checkUploadFolder_create_dir'),
							$this->ulFolder($extKey)
						) . '</label>
						<input type="checkbox" name="_uploadfolder" id="check_uploadfolder" checked="checked" value="1" /><br />
					</p>
				';
			}
		}

			// Additional directories that should be created:
		if ($extInfo['EM_CONF']['createDirs'])	{
			$createDirs = array_unique(t3lib_div::trimExplode(',',$extInfo['EM_CONF']['createDirs'],1));

			foreach($createDirs as $crDir)	{
				if (!@is_dir(PATH_site.$crDir))	{
					if (t3lib_div::_POST('_createDir_'.md5($crDir)))	{	// CREATE dir:

							// Initialize:
						$crDirStart = '';
						$dirs_in_path = explode('/',preg_replace('/\/$/','',$crDir));

							// Traverse each part of the dir path and create it one-by-one:
						foreach($dirs_in_path as $dirP)	{
							if (strcmp($dirP,''))	{
								$crDirStart.= $dirP.'/';
								if (!@is_dir(PATH_site.$crDirStart))	{
									t3lib_div::mkdir(PATH_site.$crDirStart);
									$finalDir = PATH_site.$crDirStart;
								}
							} else {
								throw new RuntimeException(
									'TYPO3 Fatal Error: ' . sprintf($GLOBALS['LANG']->getLL('checkUploadFolder_error'), PATH_site . $crDir),
									1270853982
								);
							}
						}
						if ($finalDir)	{
							$indexContent = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
	<TITLE></TITLE>
<META http-equiv=Refresh Content="0; Url=/">
</HEAD>
</HTML>';
							t3lib_div::writeFile($finalDir.'index.html',$indexContent);
						}
					} else {	// Show checkbox / HTML for creation:
						$md5CrDir = md5($crDir);
						$content.='
							<br />
							<h3>' . $GLOBALS['LANG']->getLL('checkUploadFolder_create_folder') . '</h3>
							<p>' . sprintf($GLOBALS['LANG']->getLL('checkUploadFolder_folder_needed'),
									$crDir
								) . '<br />
								<label for="check_createDir_' . $md5CrDir . '">' . sprintf($GLOBALS['LANG']->getLL('checkUploadFolder_create_dir'),
									$crDir
								) . '</label>
								<input type="checkbox" name="_createDir_' . $md5CrDir . '" id="check_createDir_' . $md5CrDir . '" checked="checked" value="1" /><br />
							</p>
						';
					}
				}
			}
		}

		return $content;
	}

	/**
	 * Validates the database according to extension requirements
	 * Prints form for changes if any. If none, returns blank. If an update is ordered, empty is returned as well.
	 * DBAL compliant (based on Install Tool code)
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @param	boolean		If true, returns array with info.
	 * @return	mixed		If $infoOnly, returns array with information. Otherwise performs update.
	 */
	function checkDBupdates($extKey,$extInfo,$infoOnly=0)	{

			// Initializing Install Tool object:
		$instObj = new t3lib_install;
		$instObj->INSTALL = t3lib_div::_GP('TYPO3_INSTALL');
		$dbStatus = array();

			// Updating tables and fields?
		if (is_array($extInfo['files']) && in_array('ext_tables.sql', $extInfo['files'])) {
			$fileContent = t3lib_div::getUrl($this->getExtPath($extKey,$extInfo['type']).'ext_tables.sql');

			$FDfile = $instObj->getFieldDefinitions_fileContent($fileContent);
			if (count($FDfile)) {
				$FDdb = $instObj->getFieldDefinitions_database(TYPO3_db);
				$diff = $instObj->getDatabaseExtra($FDfile, $FDdb);
				$update_statements = $instObj->getUpdateSuggestions($diff);

				$dbStatus['structure']['tables_fields'] = $FDfile;
				$dbStatus['structure']['diff'] = $diff;

					// Updating database...
				if (!$infoOnly && is_array($instObj->INSTALL['database_update']))	{
					$instObj->performUpdateQueries($update_statements['add'],$instObj->INSTALL['database_update']);
					$instObj->performUpdateQueries($update_statements['change'],$instObj->INSTALL['database_update']);
					$instObj->performUpdateQueries($update_statements['create_table'],$instObj->INSTALL['database_update']);
				} else {
					$content .= $instObj->generateUpdateDatabaseForm_checkboxes(
						$update_statements['add'], $GLOBALS['LANG']->getLL('checkDBupdates_add_fields'));
					$content .= $instObj->generateUpdateDatabaseForm_checkboxes(
						$update_statements['change'], $GLOBALS['LANG']->getLL('checkDBupdates_changing_fields'), 1, 0, $update_statements['change_currentValue']);
					$content .= $instObj->generateUpdateDatabaseForm_checkboxes(
						$update_statements['create_table'], $GLOBALS['LANG']->getLL('checkDBupdates_add_tables'));
				}
			}
		}

			// Importing static tables?
		if (is_array($extInfo['files']) && in_array('ext_tables_static+adt.sql',$extInfo['files']))	{
			$fileContent = t3lib_div::getUrl($this->getExtPath($extKey,$extInfo['type']).'ext_tables_static+adt.sql');

			$statements = $instObj->getStatementArray($fileContent,1);
			list($statements_table, $insertCount) = $instObj->getCreateTables($statements,1);

				// Execute import of static table content:
			if (!$infoOnly && is_array($instObj->INSTALL['database_import']))	{

					// Traverse the tables
				foreach($instObj->INSTALL['database_import'] as $table => $md5str)	{
					if ($md5str == md5($statements_table[$table]))	{
						$GLOBALS['TYPO3_DB']->admin_query('DROP TABLE IF EXISTS '.$table);
						$GLOBALS['TYPO3_DB']->admin_query($statements_table[$table]);

						if ($insertCount[$table])	{
							$statements_insert = $instObj->getTableInsertStatements($statements, $table);

							foreach($statements_insert as $v)	{
								$GLOBALS['TYPO3_DB']->admin_query($v);
							}
						}
					}
				}
			} else {
				$whichTables = $instObj->getListOfTables();
				if (count($statements_table))	{
					$out = '';
					foreach($statements_table as $table => $definition)	{
						$exist = isset($whichTables[$table]);

						$dbStatus['static'][$table]['exists'] = $exist;
						$dbStatus['static'][$table]['count'] = $insertCount[$table];

						$out.= '<tr>
							<td><input type="checkbox" name="TYPO3_INSTALL[database_import]['.$table.']" checked="checked" value="'.md5($definition).'" /></td>
							<td><strong>'.$table.'</strong></td>
							<td><img src="clear.gif" width="10" height="1" alt="" /></td>
							<td nowrap="nowrap">' .
								($insertCount[$table] ?
									$GLOBALS['LANG']->getLL('checkDBupdates_rows') . ' ' . $insertCount[$table]
									: '') .
							'</td>
							<td><img src="clear.gif" width="10" height="1" alt="" /></td>
							<td nowrap="nowrap">' .
								($exist ?
									t3lib_iconWorks::getSpriteIcon('status-dialog-warning') .
									$GLOBALS['LANG']->getLL('checkDBupdates_table_exists')
									: '') .
							'</td>
							</tr>';
					}
					$content.= '
						<br />
						<h3>' . $GLOBALS['LANG']->getLL('checkDBupdates_import_static_data') . '</h3>
						<table border="0" cellpadding="0" cellspacing="0">'.$out.'</table>
						';
				}
			}
		}

			// Return array of information if $infoOnly, otherwise content.
		return $infoOnly ? $dbStatus : $content;
	}

	/**
	 * Updates the database according to extension requirements
	 * DBAL compliant (based on Install Tool code)
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @return	void
	 */
	function forceDBupdates($extKey, $extInfo)	{
		$instObj = new t3lib_install;

			// Updating tables and fields?
		if (is_array($extInfo['files']) && in_array('ext_tables.sql',$extInfo['files']))	{
			$fileContent = t3lib_div::getUrl($this->getExtPath($extKey,$extInfo['type']).'ext_tables.sql');

			$FDfile = $instObj->getFieldDefinitions_fileContent($fileContent);
			if (count($FDfile))	{
				$FDdb = $instObj->getFieldDefinitions_database(TYPO3_db);
				$diff = $instObj->getDatabaseExtra($FDfile, $FDdb);
				$update_statements = $instObj->getUpdateSuggestions($diff);

				foreach((array)$update_statements['add'] as $string)	{
					$GLOBALS['TYPO3_DB']->admin_query($string);
				}
				foreach((array)$update_statements['change'] as $string)	{
					$GLOBALS['TYPO3_DB']->admin_query($string);
				}
				foreach((array)$update_statements['create_table'] as $string)	{
					$GLOBALS['TYPO3_DB']->admin_query($string);
				}
			}
		}

			// Importing static tables?
		if (is_array($extInfo['files']) && in_array('ext_tables_static+adt.sql',$extInfo['files']))	{
			$fileContent = t3lib_div::getUrl($this->getExtPath($extKey,$extInfo['type']).'ext_tables_static+adt.sql');

			$statements = $instObj->getStatementArray($fileContent,1);
			list($statements_table, $insertCount) = $instObj->getCreateTables($statements,1);

				// Traverse the tables
			foreach($statements_table as $table => $query)	{
				$GLOBALS['TYPO3_DB']->admin_query('DROP TABLE IF EXISTS '.$table);
				$GLOBALS['TYPO3_DB']->admin_query($query);

				if ($insertCount[$table])	{
					$statements_insert = $instObj->getTableInsertStatements($statements, $table);

					foreach($statements_insert as $v)	{
						$GLOBALS['TYPO3_DB']->admin_query($v);
					}
				}
			}
		}
	}

	/**
	 * Produces the config form for an extension (if any template file, ext_conf_template.txt is found)
	 *
	 * @param	string		Extension key
	 * @param	array		Extension information array
	 * @param	boolean		If true, the form HTML content is returned, otherwise the content is set in $this->content.
	 * @param	string		Submit-to URL (supposedly)
	 * @param	string		Additional form fields to include.
	 * @return	string		Depending on $output. Can return the whole form.
	 */
	function tsStyleConfigForm($extKey,$extInfo,$output=0,$script='',$addFields='')	{
		global $TYPO3_CONF_VARS;

			// Initialize:
		$absPath = $this->getExtPath($extKey,$extInfo['type']);
		$relPath = $this->typeRelPaths[$extInfo['type']].$extKey.'/';

			// Look for template file for form:
		if (t3lib_extMgm::isLoaded($extKey) && @is_file($absPath.'ext_conf_template.txt')) {

				// Load tsStyleConfig class and parse configuration template:
			$tsStyleConfig = t3lib_div::makeInstance('t3lib_tsStyleConfig');
			$tsStyleConfig->doNotSortCategoriesBeforeMakingForm = TRUE;
			$theConstants = $tsStyleConfig->ext_initTSstyleConfig(
				t3lib_div::getUrl($absPath.'ext_conf_template.txt'),
				$relPath,
				$absPath,
				$GLOBALS['BACK_PATH']
			);

				// Load the list of resources.
			$tsStyleConfig->ext_loadResources($absPath.'res/');

				// Load current value:
			$arr = unserialize($TYPO3_CONF_VARS['EXT']['extConf'][$extKey]);
			$arr = is_array($arr) ? $arr : array();

				// Call processing function for constants config and data before write and form rendering:
			if (is_array($TYPO3_CONF_VARS['SC_OPTIONS']['typo3/mod/tools/em/index.php']['tsStyleConfigForm']))	{
				$_params = array('fields' => &$theConstants, 'data' => &$arr, 'extKey' => $extKey);
				foreach($TYPO3_CONF_VARS['SC_OPTIONS']['typo3/mod/tools/em/index.php']['tsStyleConfigForm'] as $_funcRef)	{
					t3lib_div::callUserFunction($_funcRef,$_params,$this);
				}
				unset($_params);
			}

				// If saving operation is done:
			if (t3lib_div::_POST('submit'))	{
				$tsStyleConfig->ext_procesInput(t3lib_div::_POST(),array(),$theConstants,array());
				$arr = $tsStyleConfig->ext_mergeIncomingWithExisting($arr);
				$this->writeTsStyleConfig($extKey,$arr);
			}

				// Setting value array
			$tsStyleConfig->ext_setValueArray($theConstants,$arr);

				// Getting session data:
			$MOD_MENU = array();
			$MOD_MENU['constant_editor_cat'] = $tsStyleConfig->ext_getCategoriesForModMenu();
			$MOD_SETTINGS = t3lib_BEfunc::getModuleData($MOD_MENU, t3lib_div::_GP('SET'), 'xMod_test');

				// Resetting the menu (stop)
			if (count($MOD_MENU['constant_editor_cat']) > 1) {
				$menu = $GLOBALS['LANG']->getLL('extInfoArray_category') . ' ' .
					t3lib_BEfunc::getFuncMenu(0, 'SET[constant_editor_cat]', $MOD_SETTINGS['constant_editor_cat'], $MOD_MENU['constant_editor_cat'], '', '&CMD[showExt]=' . $extKey);
				$this->content.=$this->doc->section('','<span class="nobr">'.$menu.'</span>');
				$this->content.=$this->doc->spacer(10);
			}

				// Category and constant editor config:
			$form = '
				<table border="0" cellpadding="0" cellspacing="0" width="600">
					<tr>
						<td>'.$tsStyleConfig->ext_getForm($MOD_SETTINGS['constant_editor_cat'],$theConstants,$script,$addFields).'</form></td>
					</tr>
				</table>';
		} else {
			$flashMessage = t3lib_div::makeInstance(
				't3lib_FlashMessage',
				$GLOBALS['LANG']->getLL('tsStyleConfigForm_additional_config'),
				'',
				t3lib_FlashMessage::INFO
			);

			$form = '
				<table border="0" cellpadding="0" cellspacing="0" width="600">
					<tr>
						<td>
							<form action="' . htmlspecialchars($script) . '" method="post">' .
								$addFields .
								$flashMessage->render() .
								'<br /><input type="submit" name="write" value="' . $GLOBALS['LANG']->getLL('updatesForm_make_updates') . '" />
							</form>
						</td>
					</tr>
				</table>';
		}

		if ($output) {
			return $form;
		} else {
			$this->content.=$this->doc->section('', $form);
		}

	}










	/*******************************
	*
	* Dumping database (MySQL compliant)
	*
	******************************/

	/**
	 * Makes a dump of the tables/fields definitions for an extension
	 *
	 * @param	array		Array with table => field/key definition arrays in
	 * @return	string		SQL for the table definitions
	 * @see dumpStaticTables()
	 */
	function dumpTableAndFieldStructure($arr)	{
		$tables = array();

		if (count($arr))	{

			// Get file header comment:
			$tables[] = $this->dumpHeader();

			// Traverse tables, write each table/field definition:
			foreach($arr as $table => $fieldKeyInfo)	{
				$tables[] = $this->dumpTableHeader($table,$fieldKeyInfo);
			}
		}

		// Return result:
		return implode(LF.LF.LF,$tables);
	}

	/**
	 * Dump content for static tables
	 *
	 * @param	string		Comma list of tables from which to dump content
	 * @return	string		Returns the content
	 * @see dumpTableAndFieldStructure()
	 */
	function dumpStaticTables($tableList)	{
		$instObj = new t3lib_install;
		$dbFields = $instObj->getFieldDefinitions_database(TYPO3_db);

		$out = '';
		$parts = t3lib_div::trimExplode(',',$tableList,1);

		// Traverse the table list and dump each:
		foreach($parts as $table)	{
			if (is_array($dbFields[$table]['fields']))	{
				$dHeader = $this->dumpHeader();
				$header = $this->dumpTableHeader($table,$dbFields[$table],1);
				$insertStatements = $this->dumpTableContent($table,$dbFields[$table]['fields']);

				$out.= $dHeader.LF.LF.LF.
				$header.LF.LF.LF.
				$insertStatements.LF.LF.LF;
			} else {
				throw new RuntimeException(
					'TYPO3 Fatal Error: ' . $GLOBALS['LANG']->getLL('dumpStaticTables_table_not_found'),
					1270853983
				);
			}
		}
		return $out;
	}

	/**
	 * Header comments of the SQL dump file
	 *
	 * @return	string		Table header
	 */
	function dumpHeader()	{
		return trim('
# TYPO3 Extension Manager dump 1.1
#
# Host: '.TYPO3_db_host.'    Database: '.TYPO3_db.'
#--------------------------------------------------------
');
	}

	/**
	 * Dump CREATE TABLE definition
	 *
	 * @param	string		Table name
	 * @param	array		Field and key information (as provided from Install Tool class!)
	 * @param	boolean		If true, add "DROP TABLE IF EXISTS"
	 * @return	string		Table definition SQL
	 */
	function dumpTableHeader($table,$fieldKeyInfo,$dropTableIfExists=0)	{
		$lines = array();
		$dump = '';

		// Create field definitions
		if (is_array($fieldKeyInfo['fields']))	{
			foreach($fieldKeyInfo['fields'] as $fieldN => $data)	{
				$lines[]='  '.$fieldN.' '.$data;
			}
		}

		// Create index key definitions
		if (is_array($fieldKeyInfo['keys']))	{
			foreach($fieldKeyInfo['keys'] as $fieldN => $data)	{
				$lines[]='  '.$data;
			}
		}

		// Compile final output:
		if (count($lines))	{
			$dump = trim('
#
# Table structure for table "'.$table.'"
#
'.($dropTableIfExists ? 'DROP TABLE IF EXISTS '.$table.';
' : '').'CREATE TABLE '.$table.' (
'.implode(','.LF,$lines).'
);'
);
		}

		return $dump;
	}

	/**
	 * Dump table content
	 * Is DBAL compliant, but the dump format is written as MySQL standard. If the INSERT statements should be imported in a DBMS using other quoting than MySQL they must first be translated. t3lib_sqlengine can parse these queries correctly and translate them somehow.
	 *
	 * @param	string		Table name
	 * @param	array		Field structure
	 * @return	string		SQL Content of dump (INSERT statements)
	 */
	function dumpTableContent($table,$fieldStructure)	{

		// Substitution of certain characters (borrowed from phpMySQL):
		$search = array('\\', '\'', "\x00", "\x0a", "\x0d", "\x1a");
		$replace = array('\\\\', '\\\'', '\0', '\n', '\r', '\Z');

		$lines = array();

		// Select all rows from the table:
		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $table, '');

		// Traverse the selected rows and dump each row as a line in the file:
		while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
			$values = array();
			foreach ($fieldStructure as $field => $dummyValue) {
				$values[] = isset($row[$field]) ? "'".str_replace($search, $replace, $row[$field])."'" : 'NULL';
			}
			$lines[] = 'INSERT INTO '.$table.' VALUES ('.implode(', ',$values).');';
		}

		// Free DB result:
		$GLOBALS['TYPO3_DB']->sql_free_result($result);

		// Implode lines and return:
		return implode(LF,$lines);
	}

	/**
	 * Gets the table and field structure from database.
	 * Which fields and which tables are determined from the ext_tables.sql file
	 *
	 * @param	string		Array with table.field values
	 * @return	array		Array of tables and fields splitted.
	 */
	function getTableAndFieldStructure($parts)	{
		// Instance of install tool
		$instObj = new t3lib_install;
		$dbFields = $instObj->getFieldDefinitions_database(TYPO3_db);


		$outTables = array();
		foreach($parts as $table)	{
			$tP = explode('.',$table);
			if ($tP[0] && isset($dbFields[$tP[0]]))	{
				if ($tP[1])	{
					$kfP = explode('KEY:',$tP[1],2);
					if (count($kfP)==2 && !$kfP[0])	{	// key:
						if (isset($dbFields[$tP[0]]['keys'][$kfP[1]]))	$outTables[$tP[0]]['keys'][$kfP[1]] = $dbFields[$tP[0]]['keys'][$kfP[1]];
					} else {
						if (isset($dbFields[$tP[0]]['fields'][$tP[1]]))	$outTables[$tP[0]]['fields'][$tP[1]] = $dbFields[$tP[0]]['fields'][$tP[1]];
					}
				} else {
					$outTables[$tP[0]] = $dbFields[$tP[0]];
				}
			}
		}

		return $outTables;
	}










	/*******************************
	*
	* TER Communication functions
	*
	******************************/



	/**
	 * Processes return-data from online repository.
	 * Currently only the returned emconf array is written to extension.
	 *
	 * @param	array		Command array returned from TER
	 * @return	string		Message
	 */
	function uploadExtensionToTER($em)	{
		$msg = '';
		$response = $this->terConnection->uploadToTER($em);

		if(!is_array($response)) return $response;

		if($response['resultCode']==TX_TER_RESULT_EXTENSIONSUCCESSFULLYUPLOADED) {
			$em['extInfo']['EM_CONF']['version'] = $response['version'];
			$response['resultMessages'][] = sprintf($GLOBALS['LANG']->getLL('terCommunication_ext_version'),
				$response['version']
			);
			$response['resultMessages'][] = $this->updateLocalEM_CONF($em['extKey'],$em['extInfo']);
		}

		$msg = '<ul><li>'.implode('</li><li>',$response['resultMessages']).'</li></ul>';
		return $msg;
	}










	/************************************
	*
	* Various helper functions
	*
	************************************/

	/**
	 * Returns subtitles for the extension listings
	 *
	 * @param	string		List order type
	 * @param	string		Key value
	 * @return	string		output.
	 */
	function listOrderTitle($listOrder,$key)	{
		switch($listOrder)	{
			case 'cat':
				return isset($this->categories[$key]) ? $this->categories[$key] : '[' . $key . ']';
				break;
			case 'author_company':
				return $key;
				break;
			case 'state':
				return $this->states[$key];
				break;
			case 'type':
				return $this->typeDescr[$key];
				break;
		}
	}

	/**
	 * Returns version information
	 *
	 * @param	string		Version code, x.x.x
	 * @param	string		part: "", "int", "main", "sub", "dev"
	 * @return	string
	 * @see renderVersion()
	 */
	function makeVersion($v,$mode)	{
		$vDat = $this->renderVersion($v);
		return $vDat['version_'.$mode];
	}

	/**
	 * Parses the version number x.x.x and returns an array with the various parts.
	 *
	 * @param	string		Version code, x.x.x
	 * @param	string		Increase version part: "main", "sub", "dev"
	 * @return	string
	 */
	function renderVersion($v,$raise='')	{
		$parts = t3lib_div::intExplode('.',$v.'..');
		$parts[0] = t3lib_div::intInRange($parts[0],0,999);
		$parts[1] = t3lib_div::intInRange($parts[1],0,999);
		$parts[2] = t3lib_div::intInRange($parts[2],0,999);

		switch((string)$raise)	{
			case 'main':
				$parts[0]++;
				$parts[1]=0;
				$parts[2]=0;
				break;
			case 'sub':
				$parts[1]++;
				$parts[2]=0;
				break;
			case 'dev':
				$parts[2]++;
				break;
		}

		$res = array();
		$res['version'] = $parts[0].'.'.$parts[1].'.'.$parts[2];
		$res['version_int'] = intval($parts[0]*1000000+$parts[1]*1000+$parts[2]);
		$res['version_main'] = $parts[0];
		$res['version_sub'] = $parts[1];
		$res['version_dev'] = $parts[2];

		return $res;
	}

	/**
	 * Returns upload folder for extension
	 *
	 * @param	string		Extension key
	 * @return	string		Upload folder for extension
	 */
	function ulFolder($extKey)	{
		return 'uploads/tx_'.str_replace('_','',$extKey).'/';
	}

	/**
	 * Returns true if global OR local installation of extensions is allowed/possible.
	 *
	 * @return	boolean		Returns true if global OR local installation of extensions is allowed/possible.
	 */
	function importAtAll()	{
		return ($GLOBALS['TYPO3_CONF_VARS']['EXT']['allowGlobalInstall'] || $GLOBALS['TYPO3_CONF_VARS']['EXT']['allowLocalInstall']);
	}

	/**
	 * Reports back if installation in a certain scope is possible.
	 *
	 * @param	string		Scope: G, L, S
	 * @param	string		Extension lock-type (eg. "L" or "G")
	 * @return	boolean		True if installation is allowed.
	 */
	function importAsType($type,$lockType='')	{
		switch($type)	{
			case 'G':
				return $GLOBALS['TYPO3_CONF_VARS']['EXT']['allowGlobalInstall'] && (!$lockType || !strcmp($lockType,$type));
				break;
			case 'L':
				return $GLOBALS['TYPO3_CONF_VARS']['EXT']['allowLocalInstall'] && (!$lockType || !strcmp($lockType,$type));
				break;
			case 'S':
				return $this->systemInstall;
				break;
			default:
				return false;
		}
	}

	/**
	 * Returns true if extensions in scope, $type, can be deleted (or installed for that sake)
	 *
	 * @param	string		Scope: "G" or "L"
	 * @return	boolean		True if possible.
	 */
	function deleteAsType($type)	{
		switch($type)	{
			case 'G':
				return $GLOBALS['TYPO3_CONF_VARS']['EXT']['allowGlobalInstall'];
				break;
			case 'L':
				return $GLOBALS['TYPO3_CONF_VARS']['EXT']['allowLocalInstall'];
				break;
			default:
				return false;
		}
	}

	/**
	 * Evaluates differences in version numbers with three parts, x.x.x. Returns true if $v1 is greater than $v2
	 *
	 * @param	string		Version number 1
	 * @param	string		Version number 2
	 * @param	integer		Tolerance factor. For instance, set to 1000 to ignore difference in dev-version (third part)
	 * @return	boolean		True if version 1 is greater than version 2
	 */
	function versionDifference($v1,$v2,$div=1)	{
		return floor($this->makeVersion($v1,'int')/$div) > floor($this->makeVersion($v2,'int')/$div);
	}

	/**
	 * Returns true if the $str is found as the first part of a string in $array
	 *
	 * @param	string		String to test with.
	 * @param	array		Input array
	 * @param	boolean		If set, the test is case insensitive
	 * @return	boolean		True if found.
	 */
	function first_in_array($str,$array,$caseInsensitive=FALSE)	{
		if ($caseInsensitive)	$str = strtolower($str);
		if (is_array($array))	{
			foreach($array as $cl)	{
				if ($caseInsensitive)	$cl = strtolower($cl);
				if (t3lib_div::isFirstPartOfStr($cl,$str))	return true;
			}
		}
		return false;
	}

	/**
	 * Returns the $EM_CONF array from an extensions ext_emconf.php file
	 *
	 * @param	string		Absolute path to EMCONF file.
	 * @param	string		Extension key.
	 * @return	array		EMconf array values.
	 */
	function includeEMCONF($path, $_EXTKEY)	{
		$EM_CONF = NULL;
		@include($path);
		if(is_array($EM_CONF[$_EXTKEY])) {
			return $this->fixEMCONF($EM_CONF[$_EXTKEY]);
		}
		return false;
	}

	/**
	 * Searches for ->lookUpStr in extension and returns true if found (or if no search string is set)
	 *
	 * @param	string		Extension key
	 * @param	array		Extension content
	 * @return	boolean		If true, display extension in list
	 */
	function searchExtension($extKey,$row) {
		if ($this->lookUpStr)	{
			return (
			stristr($extKey,$this->lookUpStr) ||
			stristr($row['EM_CONF']['title'],$this->lookUpStr) ||
			stristr($row['EM_CONF']['description'],$this->lookUpStr) ||
			stristr($row['EM_CONF']['author'],$this->lookUpStr) ||
			stristr($row['EM_CONF']['author_company'],$this->lookUpStr)
			);
		} else return true;
	}



	/**
	 *  Checks if there are newer versions of installed extensions in the TER
	 *  integrated from the extension "ter_update_check" for TYPO3 4.2 by Christian Welzel
	 *
	 * @return	nothing
	 */
	function checkForUpdates() {
		global $LANG;
		$content = '';

		if (is_file(PATH_site.'typo3temp/extensions.xml.gz'))	{
			$content = $this->showExtensionsToUpdate()
			.t3lib_BEfunc::getFuncCheck(0, 'SET[display_installed]', $this->MOD_SETTINGS['display_installed'], '', '', 'id="checkDisplayInstalled"')
			. '&nbsp;<label for="checkDisplayInstalled">' . $LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:display_nle') . '</label><br />'
			.t3lib_BEfunc::getFuncCheck(0, 'SET[display_files]', $this->MOD_SETTINGS['display_files'], '', '', 'id="checkDisplayFiles"')
			.'&nbsp;<label for="checkDisplayFiles">'.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:display_files').'</label>';
			$this->content .= $this->doc->section($LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:header_upd_ext'), $content, 0, 1);

			$dateFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'];
			$timeFormat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'];
			$content = sprintf($GLOBALS['LANG']->getLL('note_last_update_new'),
				date(
					$dateFormat . ', ' . $timeFormat,
					filemtime(PATH_site . 'typo3temp/extensions.xml.gz')
				)
			) . '<br />';
		}

		$content .= sprintf($GLOBALS['LANG']->getLL('note_last_update2_new'),
			'<a href="index.php?SET[function]=2">', '</a>');
		$this->content .= $this->doc->section($LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:header_vers_ret'), $content, 0, 1);
	}


	/**
	 *  Displays a list of extensions where a newer version is available
	 *  in the TER than the one that is installed right now
	 *  integrated from the extension "ter_update_check" for TYPO3 4.2 by Christian Welzel
	 *
	 * @return	nothing
	 */
	function showExtensionsToUpdate() {
		global $LANG;
		$extList = $this->getInstalledExtensions();

		$content = '<table border="0" cellpadding="2" cellspacing="1">'.
		'<tr class="t3-row-header">'.
			'<td></td>'.
			'<td>'.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:tab_mod_name').'</td>'.
			'<td>'.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:tab_mod_key').'</td>'.
			'<td>'.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:tab_mod_loc_ver').'</td>'.
			'<td>'.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:tab_mod_rem_ver').'</td>'.
			'<td>'.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:tab_mod_location').'</td>'.
			'<td>'.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:tab_mod_comment').'</td>'.
		'</tr>';

		foreach ($extList[0] as $name => $data)	{
			$this->xmlhandler->searchExtensionsXMLExact($name, '', '', TRUE, TRUE);
			if (!is_array($this->xmlhandler->extensionsXML[$name]))	{
				continue;
			}

			$v = $this->xmlhandler->extensionsXML[$name]['versions'];
			$versions = array_keys($v);
			natsort($versions);
			$lastversion = end($versions);

			if ((t3lib_extMgm::isLoaded($name) || $this->MOD_SETTINGS['display_installed']) &&
				($data['EM_CONF']['shy'] == 0 || $this->MOD_SETTINGS['display_shy']) &&
				$this->versionDifference($lastversion, $data['EM_CONF']['version'], 1))	{

				$imgInfo = @getImageSize($this->getExtPath($name, $data['type']) . '/ext_icon.gif');
				if (is_array($imgInfo)) {
					$icon = '<img src="'.$GLOBALS['BACK_PATH'].$this->typeRelPaths[$data['type']].$name.'/ext_icon.gif'.'" '.$imgInfo[3].' alt="" />';
				} elseif ($data['_ICON']) { //TODO: see if this can be removed, seems to be wrong in this context
					$icon = $data['_ICON'];
				} else {
					$icon = '<img src="clear.gif" width="1" height="1" alt="" />';
				}
				$comment = '<table cellpadding="0" cellspacing="0" width="100%">';
				foreach ($versions as $vk) {
					$va = & $v[$vk];
					if (t3lib_div::int_from_ver($vk) < t3lib_div::int_from_ver($data['EM_CONF']['version']))	{
						continue;
					}
					$comment .= '<tr><td valign="top" style="padding-right:2px;border-bottom:1px dotted gray">'.$vk.'</td>'.'<td valign="top" style="border-bottom:1px dotted gray">'.nl2br($va[uploadcomment]).'</td></tr>';
				}
				$comment .= '</table>';

				$serverMD5Array = $this->serverExtensionMD5Array($name,$data);
				if (is_array($serverMD5Array))	{
					ksort($serverMD5Array);
				}
				$currentMD5Array = unserialize($data['EM_CONF']['_md5_values_when_last_written']);
				if (is_array($currentMD5Array))	{
					@ksort($currentMD5Array);
				}
				$warn = '';
				if (strcmp(serialize($currentMD5Array), serialize($serverMD5Array)))	{
					$warn = '<tr class="bgColor4" style="color:red"><td colspan="7">'.$GLOBALS['TBE_TEMPLATE']->rfw('<br /><strong>'.$name.': '.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:msg_warn_diff').'</strong>').'</td></tr>'.LF;
					if ($this->MOD_SETTINGS['display_files'] == 1) {
						$affectedFiles = $this->findMD5ArrayDiff($serverMD5Array,$currentMD5Array);
						if (count($affectedFiles)) {
							$warn .= '<tr class="bgColor4"><td colspan="7"><strong>'.$LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:msg_modified').'</strong><br />'.$GLOBALS['TBE_TEMPLATE']->rfw(implode('<br />',$affectedFiles)).'</td></tr>'.LF;
						}
					}
				}
				$content .= '<tr class="bgColor4"><td valign="top">'.$icon.'</td>'.
'<td valign="top">' . ($data['EM_CONF']['state'] == 'excludeFromUpdates' ? '<span style="color:#cf7307">' . $data['EM_CONF']['title'] . ' ' . $LANG->sL('LLL:EXT:lang/locallang_mod_tools_em.xml:write_protected') . '</span>' : '<a href="?CMD[importExtInfo]='.$name.'">'.$data[EM_CONF][title].'</a>') . '</td>'.
'<td valign="top">'.$name.'</td>'.
'<td valign="top" align="right">'.$data[EM_CONF][version].'</td>'.
'<td valign="top" align="right">'.$lastversion.'</td>'.
'<td valign="top" nowrap="nowrap">'.$this->typeLabels[$data['type']].(strlen($data['doubleInstall'])>1?'<strong> '.$GLOBALS['TBE_TEMPLATE']->rfw($extInfo['doubleInstall']).'</strong>':'').'</td>'.
'<td valign="top">'.$comment.'</td></tr>'.LF.
$warn.
'<tr class="bgColor4"><td colspan="7"><hr style="margin:0px" /></td></tr>'.LF;
			}
		}

		return $content . '</table><br />';
	}
}


if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/mod/tools/em/index.php'])	{
	include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['typo3/mod/tools/em/index.php']);
}

?>