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https://github.com/espocrm/espocrm.git
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93 lines
2.8 KiB
PHP
93 lines
2.8 KiB
PHP
<?php
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/************************************************************************
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* This file is part of EspoCRM.
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*
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* EspoCRM – Open Source CRM application.
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* Copyright (C) 2014-2026 EspoCRM, Inc.
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* Website: https://www.espocrm.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero 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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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU Affero General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
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************************************************************************/
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namespace Espo\Core\Utils\File;
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use RuntimeException;
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class ZipArchive
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{
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private Manager $fileManager;
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public function __construct(?Manager $fileManager = null)
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{
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if ($fileManager === null) {
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$fileManager = new Manager();
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}
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$this->fileManager = $fileManager;
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}
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/**
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* Unzip archive.
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*
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* @param string $file A path to a zip file.
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* @param string $destination A destination.
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*/
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public function unzip(string $file, string $destination): bool
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{
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if (!class_exists('\ZipArchive')) {
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throw new RuntimeException("php-zip extension is not installed. Cannot unzip the file.");
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}
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$zip = new \ZipArchive;
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$res = $zip->open($file);
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if ($res !== true) {
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return false;
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}
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$this->fileManager->mkdir($destination);
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for ($i = 0; $i < $zip->numFiles; $i ++) {
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$filename = $zip->getNameIndex($i);
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if ($filename === false) {
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continue;
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}
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if (
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str_contains($filename, '..') ||
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str_starts_with($filename, '/') ||
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str_starts_with($filename, '\\')
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) {
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throw new RuntimeException("No allowed path '$filename'.");
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}
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$zip->extractTo($destination, $filename);
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}
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$zip->close();
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return true;
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}
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}
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