86 lines
2.3 KiB
PHP
86 lines
2.3 KiB
PHP
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<?php
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/**
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code 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, version 3,
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* as published by the Free Software Foundation.
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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, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\Files\Storage;
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use OC\Files\Cache\Cache;
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use OC\Files\Cache\Scanner;
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use OC\Files\Filesystem;
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use OC\Files\Cache\Watcher;
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use OCP\Files\FileNameTooLongException;
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use OCP\Files\InvalidCharacterInPathException;
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use OCP\Files\InvalidPathException;
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use OCP\Files\ReservedWordException;
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/**
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* Storage backend class for providing common filesystem operation methods
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* which are not storage-backend specific.
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*
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* \OC\Files\Storage\Common is never used directly; it is extended by all other
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* storage backends, where its methods may be overridden, and additional
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* (backend-specific) methods are defined.
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*
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* Some \OC\Files\Storage\Common methods call functions which are first defined
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* in classes which extend it, e.g. $this->stat() .
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*/
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trait LocalTempFileTrait {
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/**
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* @var string[]
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*/
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protected $cachedFiles = array();
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/**
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* @param string $path
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*/
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protected function getCachedFile($path) {
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if (!isset($this->cachedFiles[$path])) {
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$this->cachedFiles[$path] = $this->toTmpFile($path);
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}
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return $this->cachedFiles[$path];
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}
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protected function removeCachedFile($path) {
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unset($this->cachedFiles[$path]);
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}
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/**
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* @param string $path
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* @return string
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*/
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protected function toTmpFile($path) { //no longer in the storage api, still useful here
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$source = $this->fopen($path, 'r');
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if (!$source) {
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return false;
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}
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if ($pos = strrpos($path, '.')) {
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$extension = substr($path, $pos);
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} else {
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$extension = '';
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}
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$tmpFile = \OC_Helper::tmpFile($extension);
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$target = fopen($tmpFile, 'w');
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\OC_Helper::streamCopy($source, $target);
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fclose($target);
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return $tmpFile;
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}
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}
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