Files
oberstufe-alt/typo3conf/ext/realurl/class.tx_realurl_tcemain.php
2018-04-02 08:07:38 +02:00

376 lines
11 KiB
PHP

<?php
/***************************************************************
* Copyright notice
*
* (c) 2010 Dmitry Dulepov (dmitry@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!
***************************************************************/
/**
* $Id$
*/
/**
* TCEmain hook to update various caches when data is modified in TYPO3 Backend
*
* @author Dmitry Dulepov <dmitry@typo3.org>
*/
class tx_realurl_tcemain {
/** @var tx_realurl_apiwrapper */
protected $apiWrapper;
/**
* RealURL configuration for the current host
*
* @var array
*/
protected $config;
public function __construct() {
$this->apiWrapper = tx_realurl_apiwrapper::getInstance();
}
/**
* Removes autoconfiguration file if table name is sys_domain
*
* @param string $tableName
* @return void
*/
protected function clearAutoConfiguration($tableName) {
if ($tableName == 'sys_domain') {
@unlink(PATH_site . TX_REALURL_AUTOCONF_FILE);
}
}
/**
* Clears RealURL caches if necessary
*
* @param string $command
* @param string $tableName
* @param int $recordId
* @return void
*/
protected function clearCaches($command, $tableName, $recordId) {
if ($this->isTableForCache($tableName)) {
if ($command == 'delete' || $command == 'move') {
list($pageId, ) = $this->getPageData($tableName, $recordId);
$this->fetchRealURLConfiguration($pageId);
if ($command == 'delete') {
$this->clearPathCache($pageId);
}
else {
$this->expirePathCacheForAllLanguages($pageId);
}
$this->clearOtherCaches($pageId);
}
}
}
/**
* Clears URL decode and encode caches for the given page
*
* @param $pageId
* @return void
*/
protected function clearOtherCaches($pageId) {
/** @noinspection PhpUndefinedMethodInspection */
$GLOBALS['TYPO3_DB']->exec_DELETEquery('tx_realurl_urldecodecache',
'page_id=' . intval($pageId));
/** @noinspection PhpUndefinedMethodInspection */
$GLOBALS['TYPO3_DB']->exec_DELETEquery('tx_realurl_urlencodecache',
'page_id=' . intval($pageId));
}
/**
* Clears path cache for the given page id
*
* @param int $pageId
* @return void
*/
protected function clearPathCache($pageId) {
/** @noinspection PhpUndefinedMethodInspection */
$GLOBALS['TYPO3_DB']->exec_DELETEquery('tx_realurl_pathcache',
'page_id=' . intval($pageId));
}
/**
* Removes unique alias in case if the record is deleted from the table
*
* @param string $command
* @param string $tableName
* @param mixed $recordId
* @return void
*/
protected function clearUniqueAlias($command, $tableName, $recordId) {
if ($command == 'delete') {
/** @noinspection PhpUndefinedMethodInspection */
$GLOBALS['TYPO3_DB']->exec_DELETEquery('tx_realurl_uniqalias',
'tablename=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($tableName, 'tx_realurl_uniqalias') .
' AND value_id=' . intval($recordId));
}
}
/**
* Expires record in the path cache
*
* @param int $pageId
* @param int $languageId
* @return void
*/
protected function expirePathCache($pageId, $languageId) {
$expirationTime = $this->getExpirationTime();
$pageIds = $this->getChildPages($pageId);
$pageIds[] = intval($pageId);
/** @noinspection PhpUndefinedMethodInspection */
$GLOBALS['TYPO3_DB']->exec_UPDATEquery('tx_realurl_pathcache',
'page_id IN (' . implode(',', $pageIds) . ') AND language_id=' . intval($languageId) . ' AND expire=0',
array(
'expire' => $expirationTime
));
}
/**
* Expires record in the path cache
*
* @param int $pageId
* @return void
*/
protected function expirePathCacheForAllLanguages($pageId) {
$expirationTime = $this->getExpirationTime();
$pageIds = $this->getChildPages($pageId);
$pageIds[] = intval($pageId);
/** @noinspection PhpUndefinedMethodInspection */
$GLOBALS['TYPO3_DB']->exec_UPDATEquery('tx_realurl_pathcache',
'page_id IN (' . implode(',', $pageIds) . ') AND expire=0',
array(
'expire' => $expirationTime
));
}
/**
* Fetches RealURl configuration for the given page
*
* @param int $pageId
* @return void
*/
protected function fetchRealURLConfiguration($pageId) {
$rootLine = $this->apiWrapper->BEgetRootLine($pageId);
$rootPageId = $rootLine[1]['uid'];
$this->config = array();
if (isset($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['realurl'])) {
foreach ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['realurl'] as $config) {
if (is_array($config) && $config['pagePath']['rootpage_id'] == $rootPageId) {
$this->config = $config;
return;
}
}
if (is_array($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['realurl']['_DEFAULT'])) {
$this->config = $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['realurl']['_DEFAULT'];
}
}
else {
$this->apiWrapper->sysLog('RealURL is not configured! Please, configure it or uninstall.', 'RealURL', 3);
}
}
/**
* Returns the IDs of all child pages of a given $pageID.
*
* @param $pageId integer Page ID to start searching
* @return int[] Child pages
*/
protected function getChildPages($pageId) {
$children = array();
$tree = $this->apiWrapper->makePageTreeInstance();
/** @noinspection PhpUndefinedMethodInspection */
$tree->init('AND ' . $GLOBALS['BE_USER']->getPagePermsClause(1));
$tree->makeHTML = FALSE;
$tree->getTree($pageId, 99, '');
foreach ($tree->tree as $data) {
$children[] = intval($data['row']['uid']);
}
return $children;
}
/**
* Obtains expiration time for the path cache records
*
* @return int
*/
protected function getExpirationTime() {
$timeOffset = (isset($this->config['pagePath']['expireDays']) ? $this->config['pagePath']['expireDays'] : 60) * 24 * 3600;
$date = getdate(time() + $timeOffset);
return mktime(0, 0, 0, $date['mon'], $date['mday'], $date['year']);
}
/**
* Obtains real page id and language from the table name and passed id of the record in the table.
*
* @param $tableName
* @param $id
* @return array First member is page id, second is language
*/
protected static function getPageData($tableName, $id) {
if ($tableName == 'pages_language_overlay') {
$result = self::getInfoFromOverlayPid($id);
}
else {
$result = array($id, 0);
}
return $result;
}
/**
* Retrieves field list to check for modification
*
* @param string $tableName
* @return array
*/
protected function getFieldList($tableName) {
if ($tableName == 'pages_language_overlay') {
$fieldList = TX_REALURL_SEGTITLEFIELDLIST_PLO;
}
else {
if (isset($this->config['pagePath']['segTitleFieldList'])) {
$fieldList = $this->config['pagePath']['segTitleFieldList'];
}
else {
$fieldList = TX_REALURL_SEGTITLEFIELDLIST_DEFAULT;
}
}
$fieldList .= ',hidden';
return array_unique($this->apiWrapper->trimExplode(',', $fieldList, true));
}
/**
* Retrieves real page id given its overlay id
*
* @param int $pid Page id
* @return array Array with two members: real page uid and sys_language_uid
*/
protected static function getInfoFromOverlayPid($pid) {
/** @noinspection PhpUndefinedMethodInspection */
list($rec) = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows('pid,sys_language_uid',
'pages_language_overlay', 'uid=' . intval($pid));
return array($rec['pid'], $rec['sys_language_uid']);
}
/**
* Checks if the update table can affect cache entries
*
* @param string $tableName
* @return boolean
*/
protected static function isTableForCache($tableName) {
return ($tableName == 'pages' || $tableName == 'pages_language_overlay');
}
/**
* A TCEMain hook to update caches when something happens to a page or
* language overlay.
*
* @param string $command
* @param string $tableName
* @param mixed $recordId
* @return void
*/
public function processCmdmap_postProcess($command, $tableName, $recordId) {
$this->clearCaches($command, $tableName, $recordId);
$this->clearAutoConfiguration($tableName);
$this->clearUniqueAlias($command, $tableName, $recordId);
}
/**
* A TCEmain hook to expire old records and add new ones
*
* @param string $status 'new' (ignoring) or 'update'
* @param string $tableName
* @param int $recordId
* @param array $databaseData
* @param t3lib_TCEmain $pObj
* @return void
* @todo Expire unique alias cache: how to get the proper timeout value easily here?
*/
public function processDatamap_afterDatabaseOperations($status, $tableName, $recordId, array $databaseData, $pObj) {
$this->processContentUpdates($status, $tableName, $recordId, $databaseData, $pObj);
$this->clearAutoConfiguration($tableName);
}
/**
* Processes page and content changes in regard to RealURL caches.
*
* @param string $status
* @param string $tableName
* @param int $recordId
* @param array $databaseData
* @param t3lib_TCEmain $pObj
* @return void
* @todo Handle changes to tx_realurl_exclude recursively
*/
protected function processContentUpdates($status, $tableName, $recordId, array $databaseData, $pObj) {
if ($tableName !== 'pages' || $status == 'update') {
if (!$this->apiWrapper->testInt($recordId)) {
$recordId = intval($pObj->substNEWwithIDs[$recordId]);
}
list($pageId, $languageId) = $this->getPageData($tableName, $recordId);
$this->fetchRealURLConfiguration($pageId);
if ($this->shouldFixCaches($tableName, $databaseData)) {
if (isset($databaseData['alias'])) {
$this->expirePathCacheForAllLanguages($pageId);
}
else {
$this->expirePathCache($pageId, $languageId);
}
$this->clearOtherCaches($pageId);
}
$this->clearOtherCaches($pageId);
}
}
/**
* Checks if we need to fix caches
*
* @param string $tableName
* @param array $databaseData
* @return boolean
*/
protected function shouldFixCaches($tableName, array $databaseData) {
$result = false;
if (self::isTableForCache($tableName)) {
$interestingFields = $this->getFieldList($tableName);
$result = count(array_intersect($interestingFields, array_keys($databaseData))) > 0;
}
return $result;
}
}
if (defined('TYPO3_MODE') && $GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/realurl/class.tx_realurl_tcemain.php']) {
/** @noinspection PhpIncludeInspection */
include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/realurl/class.tx_realurl_tcemain.php']);
}