Initial commit - Typo3 11.5.41
This commit is contained in:
Matteo Gallo
349
typo3conf/ext/lfeditor/Classes/Utility/SgLib.php
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349
typo3conf/ext/lfeditor/Classes/Utility/SgLib.php
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<?php
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namespace SGalinski\Lfeditor\Utility;
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/***************************************************************
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* Copyright notice
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*
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* (c) sgalinski Internet Services (https://www.sgalinski.de)
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*
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* All rights reserved
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*
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* This script is part of the TYPO3 project. The TYPO3 project is
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* free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* The GNU General Public License can be found at
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* http://www.gnu.org/copyleft/gpl.html.
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*
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* This script is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This copyright notice MUST APPEAR in all copies of the script!
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***************************************************************/
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use Exception;
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use TYPO3\CMS\Core\Localization\Locales;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* personal library with lots of useful methods
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*/
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class SgLib {
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#################################
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######## string functions #######
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#################################
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/**
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* trims some string from an given path
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*
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* @param string $replace string part to delete
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* @param string $path some path
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* @param string $prefix some prefix for the new path
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* @return string new path
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*/
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public static function trimPath($replace, $path, $prefix = '') {
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return trim(str_replace($replace, '', $path), '/') . $prefix;
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}
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#####################################
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######## filesystem functions #######
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#####################################
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/**
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* reads the extension of a given filename
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*
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* @param string $file filename
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* @return string extension of a given filename
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*/
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public static function getFileExtension($file) {
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return substr($file, strrpos($file, '.') + 1);
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}
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/**
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* replaces the file extension in a given filename
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*
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* @param string $type new file extension
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* @param string $file filename
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* @return string new filename
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*/
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public static function setFileExtension($type, $file) {
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return substr($file, 0, strrpos($file, '.') + 1) . $type;
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}
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/**
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* checks write permission of a given file (checks directory permission if file does not exists)
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*
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* @param string $file file path
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* @return boolean true or false
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*/
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public static function checkWritePerms($file) {
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if (!is_file($file)) {
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$file = dirname($file);
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}
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if (!is_writable($file)) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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* deletes given files
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*
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* @param array $files files
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* @return void
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* @throws Exception raised, if some files cant be deleted (thrown after deletion of all)
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*/
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public static function deleteFiles($files) {
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// delete all old files
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$error = [];
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foreach ($files as $file) {
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if (is_file($file)) {
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if (!unlink($file)) {
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$error[] = $file;
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}
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}
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}
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if (count($error)) {
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throw new Exception('following files cant be deleted: "' . implode(', ', $error) . '"');
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}
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}
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/**
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* Creates a full path (all nonexistent directories will be created)
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*
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* @param string $path full path
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* @param string $protectArea protected path (i.e. /var/www -- needed for basedir restrictions)
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* @return void
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* @throws Exception raised if some path token cant be created
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*/
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public static function createDir($path, $protectArea) {
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[$extensionNameFromFile, $extPrefixedPath] = Typo3Lib::getExtNameFromOverrideFile($path);
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if (strpos($extensionNameFromFile, '-') !== FALSE) {
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$path = str_replace(
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$extensionNameFromFile,
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str_replace('-', '_', $extensionNameFromFile),
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$path
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);
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}
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if (!is_dir($path)) {
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$pathAsArray = explode('/', self::trimPath($protectArea, $path));
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$tmp = '';
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foreach ($pathAsArray as $dir) {
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$tmp .= $dir . '/';
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if (is_dir($protectArea . $tmp)) {
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continue;
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}
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$concurrentDirectory = $protectArea . $tmp;
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GeneralUtility::mkdir_deep($concurrentDirectory);
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if (!is_dir($concurrentDirectory)) {
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throw new Exception('path "' . $protectArea . $tmp . '" can\'t be created.');
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}
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}
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}
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}
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/**
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* deletes a directory (all subdirectories and files will be deleted)
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*
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* @param string $path full path
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* @return void
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* @throws Exception raised if a file or directory cant be deleted
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*/
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public static function deleteDir($path) {
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if (!$dh = @opendir($path)) {
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throw new Exception('directory "' . $path . '" cant be readed');
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}
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while ($file = readdir($dh)) {
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$myFile = $path . '/' . $file;
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// ignore links and point directories
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if (preg_match('/\.{1,2}/', $file) || is_link($myFile)) {
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continue;
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}
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if (is_file($myFile)) {
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if (!unlink($myFile)) {
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throw new Exception('file "' . $myFile . '" cant be deleted');
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}
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} elseif (is_dir($myFile)) {
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SgLib::deleteDir($myFile);
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}
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}
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closedir($dh);
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if (!@rmdir($path)) {
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throw new Exception('directory "' . $path . '" cant be deleted');
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}
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}
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/**
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* searches defined files in a given path recursively
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*
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* @param string $path search in this path
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* @param string $searchRegex optional: regular expression for files
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* @param integer $pathDepth optional: current path depth level (max 9)
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* @return array
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* @throws Exception raised if the search directory cant be read
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*/
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public static function searchFiles($path, $searchRegex = '', $pathDepth = 0) {
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// endless recursion protection
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$fileArray = [];
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if ($pathDepth >= 9) {
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return $fileArray;
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}
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// open directory
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if (!$fhd = @opendir($path)) {
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throw new Exception('directory "' . $path . '" cant be read');
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}
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// iterate through the directory entries
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while ($file = readdir($fhd)) {
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$filePath = $path . '/' . $file;
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// ignore links and special directories (. and ..)
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if (preg_match('/^\.{1,2}$/', $file) || is_link($filePath)) {
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continue;
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}
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// if it's a file and not excluded by the search filter, we can add it
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// to the file array
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if (is_file($filePath)) {
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if ($searchRegex == '') {
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$fileArray[] = $filePath;
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} elseif (preg_match($searchRegex, $file)) {
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$fileArray[] = $filePath;
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}
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continue;
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}
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// next dir
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if (is_dir($filePath)) {
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$fileArray = array_merge(
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$fileArray,
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(array) SgLib::searchFiles($filePath, $searchRegex, $pathDepth + 1)
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);
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}
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}
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closedir($fhd);
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return $fileArray;
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}
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/**
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* Returns all available system languages defined in TYPO3
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*
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* @return array
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*/
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public static function getSystemLanguages() {
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/** @var Locales $locales */
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$locales = GeneralUtility::makeInstance(\TYPO3\CMS\Core\Localization\Locales::class);
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$availableLanguageKeys = $locales->getLocales();
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foreach ($availableLanguageKeys as $index => $language) {
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if ($language === 'default') {
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$availableLanguageKeys[$index] = 'default';
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break;
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}
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}
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return $availableLanguageKeys;
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}
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/**
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* Convert special HTML characters to HTML entities, but ignores CDATA section.
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*
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* @param string $value
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* @return string
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*/
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public static function htmlSpecialCharsIgnoringCdata($value) {
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$cdataStart = strpos($value, '<![CDATA[');
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$cdataEnd = strpos($value, ']]>');
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if ($cdataStart !== FALSE && $cdataEnd !== FALSE) {
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$cdataEnd += 3;
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$valueBefore = substr($value, 0, $cdataStart);
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$cdataValue = substr($value, $cdataStart, $cdataEnd - $cdataStart);
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$valueAfter = substr($value, $cdataEnd, strlen($value) - $cdataEnd);
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$value = htmlspecialchars($valueBefore) . '<![CDATA[' . $cdataValue . ']]>'
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. htmlspecialchars($valueAfter);
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} else {
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$value = htmlspecialchars($value);
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}
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return $value;
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}
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/**
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* Checks if CDATA tag exists in string.
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*
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* @param string $value
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* @return bool
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*/
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public static function checkForCdataInString($value) {
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$cdataStart = strpos($value, '<![CDATA[');
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$cdataEnd = strpos($value, ']]>');
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return ($cdataStart !== FALSE && $cdataEnd !== FALSE);
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}
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/**
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* Writes at end of PHP file, just before php closing tag or at the end of file if php closing tag does not exist.
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* If specified file does not exist, it will be crated.
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*
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* @param string $filePath
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* @param string $lineToAdd
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* @return void
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*/
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public static function appendToPHPFile($filePath, $lineToAdd) {
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if (!is_file($filePath)) {
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$emptyPhpFileContent = '<?php' . chr(0x0A) . '?>';
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file_put_contents($filePath, $emptyPhpFileContent);
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}
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$configuration = file_get_contents($filePath);
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if ($configuration === FALSE) {
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return;
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}
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$phpEndTagPosition = strrpos($configuration, '?>');
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if ($phpEndTagPosition) {
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$configuration = substr($configuration, 0, $phpEndTagPosition);
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} else {
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$configuration .= chr(0x0A);
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}
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$configuration .= chr(0x09) . $lineToAdd;
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if ($phpEndTagPosition) {
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$configuration .= chr(0x0A) . '?>';
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}
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file_put_contents($filePath, $configuration);
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}
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/**
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* Compares two strings ignoring \r character and seeing \n as <br /> in first string.
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*
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* @param array|string $string1
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* @param string $string2
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* @return bool
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*/
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public static function strCmpIgnoreCR($string1, $string2) {
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return is_string($string1) && str_replace("\r", '', $string1) === $string2;
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}
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/**
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* Changes meta tag '@attributes' to 'attributes', if it exists.
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*
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* @param array $origMeta
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*/
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public static function fixMetaAttributes(array &$origMeta) {
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if (isset($origMeta['@attributes'])) {
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$origMeta['attributes'] = $origMeta['@attributes'];
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unset($origMeta['@attributes']);
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}
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}
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}
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