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-rw-r--r--lib/private/files/storage/mappedlocal.php456
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diff --git a/lib/private/files/storage/mappedlocal.php b/lib/private/files/storage/mappedlocal.php
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-<?php
-/**
- * @author Andreas Fischer <bantu@owncloud.com>
- * @author Arthur Schiwon <blizzz@owncloud.com>
- * @author Bart Visscher <bartv@thisnet.nl>
- * @author Clark Tomlinson <fallen013@gmail.com>
- * @author Joas Schilling <nickvergessen@owncloud.com>
- * @author Jörn Friedrich Dreyer <jfd@butonic.de>
- * @author Lukas Reschke <lukas@owncloud.com>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <icewind@owncloud.com>
- * @author Scrutinizer Auto-Fixer <auto-fixer@scrutinizer-ci.com>
- * @author Sjors van der Pluijm <sjors@desjors.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
- *
- * @copyright Copyright (c) 2015, ownCloud, Inc.
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program 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 Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
- */
-namespace OC\Files\Storage;
-
-/**
- * for local filestore, we only have to map the paths
- */
-class MappedLocal extends \OC\Files\Storage\Common {
- protected $datadir;
- private $mapper;
-
- public function __construct($arguments) {
- $this->datadir = $arguments['datadir'];
- if (substr($this->datadir, -1) !== '/') {
- $this->datadir .= '/';
- }
-
- $this->mapper = new \OC\Files\Mapper($this->datadir);
- }
-
- public function __destruct() {
- }
-
- public function getId() {
- return 'local::' . $this->datadir;
- }
-
- public function mkdir($path) {
- return @mkdir($this->getSourcePath($path), 0777, true);
- }
-
- public function rmdir($path) {
- if (!$this->isDeletable($path)) {
- return false;
- }
- try {
- $it = new \RecursiveIteratorIterator(
- new \RecursiveDirectoryIterator($this->getSourcePath($path)),
- \RecursiveIteratorIterator::CHILD_FIRST
- );
- /**
- * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
- * This bug is fixed in PHP 5.5.9 or before
- * See #8376
- */
- $it->rewind();
- while ($it->valid()) {
- /**
- * @var \SplFileInfo $file
- */
- $file = $it->current();
- if (in_array($file->getBasename(), array('.', '..'))) {
- $it->next();
- continue;
- } elseif ($file->isDir()) {
- rmdir($file->getPathname());
- } elseif ($file->isFile() || $file->isLink()) {
- unlink($file->getPathname());
- }
- $it->next();
- }
- if ($result = @rmdir($this->getSourcePath($path))) {
- $this->cleanMapper($path);
- }
- return $result;
- } catch (\UnexpectedValueException $e) {
- return false;
- }
- }
-
- public function opendir($path) {
- $files = array('.', '..');
- $physicalPath = $this->getSourcePath($path);
-
- $logicalPath = $this->mapper->physicalToLogic($physicalPath);
- $dh = opendir($physicalPath);
- if (is_resource($dh)) {
- while (($file = readdir($dh)) !== false) {
- if ($file === '.' or $file === '..') {
- continue;
- }
-
- $logicalFilePath = $this->mapper->physicalToLogic($physicalPath . '/' . $file);
-
- $file = $this->mapper->stripRootFolder($logicalFilePath, $logicalPath);
- $file = $this->stripLeading($file);
- $files[] = $file;
- }
- }
-
- \OC\Files\Stream\Dir::register('local-win32' . $path, $files);
- return opendir('fakedir://local-win32' . $path);
- }
-
- public function is_dir($path) {
- if (substr($path, -1) == '/') {
- $path = substr($path, 0, -1);
- }
- return is_dir($this->getSourcePath($path));
- }
-
- public function is_file($path) {
- return is_file($this->getSourcePath($path));
- }
-
- public function stat($path) {
- clearstatcache();
- $fullPath = $this->getSourcePath($path);
- $statResult = stat($fullPath);
- if (PHP_INT_SIZE === 4 && !$this->is_dir($path)) {
- $filesize = $this->filesize($path);
- $statResult['size'] = $filesize;
- $statResult[7] = $filesize;
- }
- return $statResult;
- }
-
- public function filetype($path) {
- $filetype = filetype($this->getSourcePath($path));
- if ($filetype == 'link') {
- $filetype = filetype(realpath($this->getSourcePath($path)));
- }
- return $filetype;
- }
-
- public function filesize($path) {
- if ($this->is_dir($path)) {
- return 0;
- }
- $fullPath = $this->getSourcePath($path);
- if (PHP_INT_SIZE === 4) {
- $helper = new \OC\LargeFileHelper;
- return $helper->getFilesize($fullPath);
- }
- return filesize($fullPath);
- }
-
- public function isReadable($path) {
- return is_readable($this->getSourcePath($path));
- }
-
- public function isUpdatable($path) {
- return is_writable($this->getSourcePath($path));
- }
-
- public function file_exists($path) {
- return file_exists($this->getSourcePath($path));
- }
-
- public function filemtime($path) {
- clearstatcache($this->getSourcePath($path));
- return filemtime($this->getSourcePath($path));
- }
-
- public function touch($path, $mtime = null) {
- // sets the modification time of the file to the given value.
- // If mtime is nil the current time is set.
- // note that the access time of the file always changes to the current time.
- if ($this->file_exists($path) and !$this->isUpdatable($path)) {
- return false;
- }
- if (!is_null($mtime)) {
- $result = touch($this->getSourcePath($path), $mtime);
- } else {
- $result = touch($this->getSourcePath($path));
- }
- if ($result) {
- clearstatcache(true, $this->getSourcePath($path));
- }
-
- return $result;
- }
-
- public function file_get_contents($path) {
- return file_get_contents($this->getSourcePath($path));
- }
-
- public function file_put_contents($path, $data) {
- return file_put_contents($this->getSourcePath($path), $data);
- }
-
- public function unlink($path) {
- return $this->delTree($path);
- }
-
- public function rename($path1, $path2) {
- $srcParent = $this->dirname($path1);
- $dstParent = $this->dirname($path2);
-
- if (!$this->isUpdatable($srcParent)) {
- \OC_Log::write('core', 'unable to rename, source directory is not writable : ' . $srcParent, \OC_Log::ERROR);
- return false;
- }
-
- if (!$this->isUpdatable($dstParent)) {
- \OC_Log::write('core', 'unable to rename, destination directory is not writable : ' . $dstParent, \OC_Log::ERROR);
- return false;
- }
-
- if (!$this->file_exists($path1)) {
- \OC_Log::write('core', 'unable to rename, file does not exists : ' . $path1, \OC_Log::ERROR);
- return false;
- }
-
- if ($this->is_dir($path2)) {
- $this->rmdir($path2);
- } else if ($this->is_file($path2)) {
- $this->unlink($path2);
- }
-
- $physicPath1 = $this->getSourcePath($path1);
- $physicPath2 = $this->getSourcePath($path2);
- if ($return = rename($physicPath1, $physicPath2)) {
- // mapper needs to create copies or all children
- $this->copyMapping($path1, $path2);
- $this->cleanMapper($physicPath1, false, true);
- }
- return $return;
- }
-
- public function copy($path1, $path2) {
- if ($this->is_dir($path1)) {
- if ($this->is_dir($path2)) {
- $this->rmdir($path2);
- } else if ($this->is_file($path2)) {
- $this->unlink($path2);
- }
- $dir = $this->opendir($path1);
- $this->mkdir($path2);
- while ($file = readdir($dir)) {
- if (!\OC\Files\Filesystem::isIgnoredDir($file)) {
- if (!$this->copy($path1 . '/' . $file, $path2 . '/' . $file)) {
- return false;
- }
- }
- }
- closedir($dir);
- return true;
- } else {
- if ($return = copy($this->getSourcePath($path1), $this->getSourcePath($path2))) {
- $this->copyMapping($path1, $path2);
- }
- return $return;
- }
- }
-
- public function fopen($path, $mode) {
- return fopen($this->getSourcePath($path), $mode);
- }
-
- /**
- * @param string $dir
- * @param bool $isLogicPath
- * @return bool
- */
- private function delTree($dir, $isLogicPath = true) {
- $dirRelative = $dir;
- if ($isLogicPath) {
- $dir = $this->getSourcePath($dir);
- }
- if (!file_exists($dir)) {
- return true;
- }
- if (!is_dir($dir) || is_link($dir)) {
- if ($return = unlink($dir)) {
- $this->cleanMapper($dir, false);
- return $return;
- }
- }
- foreach (scandir($dir) as $item) {
- if ($item == '.' || $item == '..') {
- continue;
- }
- if (is_file($dir . '/' . $item)) {
- if (unlink($dir . '/' . $item)) {
- $this->cleanMapper($dir . '/' . $item, false);
- }
- } elseif (is_dir($dir . '/' . $item)) {
- if (!$this->delTree($dir . "/" . $item, false)) {
- return false;
- };
- }
- }
- if ($return = rmdir($dir)) {
- $this->cleanMapper($dir, false);
- }
- return $return;
- }
-
- public function hash($type, $path, $raw = false) {
- return hash_file($type, $this->getSourcePath($path), $raw);
- }
-
- public function free_space($path) {
- $space = @disk_free_space($this->getSourcePath($path));
- if ($space === false || is_null($space)) {
- return \OCP\Files\FileInfo::SPACE_UNKNOWN;
- }
- return $space;
- }
-
- public function search($query) {
- return $this->searchInDir($query);
- }
-
- public function getLocalFile($path) {
- return $this->getSourcePath($path);
- }
-
- public function getLocalFolder($path) {
- return $this->getSourcePath($path);
- }
-
- /**
- * @param string $query
- * @param string $dir
- * @return array
- */
- protected function searchInDir($query, $dir = '') {
- $files = array();
- $physicalDir = $this->getSourcePath($dir);
- foreach (scandir($physicalDir) as $item) {
- if ($item == '.' || $item == '..')
- continue;
- $physicalItem = $this->mapper->physicalToLogic($physicalDir . '/' . $item);
- $item = substr($physicalItem, strlen($physicalDir) + 1);
-
- if (strstr(strtolower($item), strtolower($query)) !== false) {
- $files[] = $dir . '/' . $item;
- }
- if (is_dir($physicalItem)) {
- $files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
- }
- }
- return $files;
- }
-
- /**
- * check if a file or folder has been updated since $time
- *
- * @param string $path
- * @param int $time
- * @return bool
- */
- public function hasUpdated($path, $time) {
- if ($this->file_exists($path)) {
- return $this->filemtime($path) > $time;
- } else {
- return true;
- }
- }
-
- /**
- * Get the source path (on disk) of a given path
- *
- * @param string $path
- * @return string
- */
- protected function getSourcePath($path) {
- $path = $this->stripLeading($path);
- $fullPath = $this->datadir . $path;
- return $this->mapper->logicToPhysical($fullPath, true);
- }
-
- /**
- * {@inheritdoc}
- */
- public function isLocal() {
- return true;
- }
-
- /**
- * @param string $path
- * @return string
- */
- private function dirName($path) {
- $path = dirname($path);
- if ($path === '.') {
- return '';
- } else {
- return $path;
- }
- }
-
- /**
- * @param string $path
- */
- private function cleanMapper($path, $isLogicPath = true, $recursive = true) {
- $fullPath = $path;
- if ($isLogicPath) {
- $fullPath = $this->datadir . $path;
- }
- $this->mapper->removePath($fullPath, $isLogicPath, $recursive);
- }
-
- /**
- * @param string $path1
- * @param string $path2
- */
- private function copyMapping($path1, $path2) {
- $path1 = $this->stripLeading($path1);
- $path2 = $this->stripLeading($path2);
-
- $fullPath1 = $this->datadir . $path1;
- $fullPath2 = $this->datadir . $path2;
-
- $this->mapper->copy($fullPath1, $fullPath2);
- }
-
- /**
- * @param string $path
- */
- private function stripLeading($path) {
- if (strpos($path, '/') === 0) {
- $path = substr($path, 1);
- }
- if (strpos($path, '\\') === 0) {
- $path = substr($path, 1);
- }
- if ($path === false) {
- return '';
- }
-
- return $path;
- }
-}
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