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+<?php
+/**
+ * @author Bart Visscher <bartv@thisnet.nl>
+ * @author Brice Maron <brice@bmaron.net>
+ * @author Jakob Sack <mail@jakobsack.de>
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ * @author Klaas Freitag <freitag@owncloud.com>
+ * @author Martin Mattel <martin.mattel@diemattels.at>
+ * @author Michael Gapczynski <GapczynskiM@gmail.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Robin Appelman <icewind@owncloud.com>
+ * @author Sjors van der Pluijm <sjors@desjors.nl>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
+ * @author Vincent Petry <pvince81@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, 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 Local extends \OC\Files\Storage\Common {
+ protected $datadir;
+
+ public function __construct($arguments) {
+ $this->datadir = $arguments['datadir'];
+ if (substr($this->datadir, -1) !== '/') {
+ $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());
+ }
+ $it->next();
+ }
+ return rmdir($this->getSourcePath($path));
+ } catch (\UnexpectedValueException $e) {
+ return false;
+ }
+ }
+
+ public function opendir($path) {
+ return opendir($this->getSourcePath($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) {
+ // file_get_contents() has a memory leak: https://bugs.php.net/bug.php?id=61961
+ $fileName = $this->getSourcePath($path);
+
+ $fileSize = filesize($fileName);
+ if ($fileSize === 0) {
+ return '';
+ }
+
+ $handle = fopen($fileName,'rb');
+ $content = fread($handle, $fileSize);
+ fclose($handle);
+ return $content;
+ }
+
+ public function file_put_contents($path, $data) {
+ return file_put_contents($this->getSourcePath($path), $data);
+ }
+
+ public function unlink($path) {
+ if ($this->is_dir($path)) {
+ return $this->rmdir($path);
+ } else if ($this->is_file($path)) {
+ return unlink($this->getSourcePath($path));
+ } else {
+ return false;
+ }
+
+ }
+
+ public function rename($path1, $path2) {
+ $srcParent = dirname($path1);
+ $dstParent = dirname($path2);
+
+ if (!$this->isUpdatable($srcParent)) {
+ \OCP\Util::writeLog('core', 'unable to rename, source directory is not writable : ' . $srcParent, \OCP\Util::ERROR);
+ return false;
+ }
+
+ if (!$this->isUpdatable($dstParent)) {
+ \OCP\Util::writeLog('core', 'unable to rename, destination directory is not writable : ' . $dstParent, \OCP\Util::ERROR);
+ return false;
+ }
+
+ if (!$this->file_exists($path1)) {
+ \OCP\Util::writeLog('core', 'unable to rename, file does not exists : ' . $path1, \OCP\Util::ERROR);
+ return false;
+ }
+
+ if ($this->is_dir($path2)) {
+ $this->rmdir($path2);
+ } else if ($this->is_file($path2)) {
+ $this->unlink($path2);
+ }
+
+ if ($this->is_dir($path1)) {
+ // we can't move folders across devices, use copy instead
+ $stat1 = stat(dirname($this->getSourcePath($path1)));
+ $stat2 = stat(dirname($this->getSourcePath($path2)));
+ if ($stat1['dev'] !== $stat2['dev']) {
+ $result = $this->copy($path1, $path2);
+ if ($result) {
+ $result &= $this->rmdir($path1);
+ }
+ return $result;
+ }
+ }
+
+ return rename($this->getSourcePath($path1), $this->getSourcePath($path2));
+ }
+
+ public function copy($path1, $path2) {
+ if ($this->is_dir($path1)) {
+ return parent::copy($path1, $path2);
+ } else {
+ return copy($this->getSourcePath($path1), $this->getSourcePath($path2));
+ }
+ }
+
+ public function fopen($path, $mode) {
+ return fopen($this->getSourcePath($path), $mode);
+ }
+
+ public function hash($type, $path, $raw = false) {
+ return hash_file($type, $this->getSourcePath($path), $raw);
+ }
+
+ public function free_space($path) {
+ $sourcePath = $this->getSourcePath($path);
+ // using !is_dir because $sourcePath might be a part file or
+ // non-existing file, so we'd still want to use the parent dir
+ // in such cases
+ if (!is_dir($sourcePath)) {
+ // disk_free_space doesn't work on files
+ $sourcePath = dirname($sourcePath);
+ }
+ $space = @disk_free_space($sourcePath);
+ 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 $item) {
+ if (\OC\Files\Filesystem::isIgnoredDir($item))
+ continue;
+ $physicalItem = $physicalDir . '/' . $item;
+
+ if (strstr(strtolower($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 $path
+ * @return string
+ */
+ public function getSourcePath($path) {
+ $fullPath = $this->datadir . $path;
+ return $fullPath;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function isLocal() {
+ return true;
+ }
+
+ /**
+ * get the ETag for a file or folder
+ *
+ * @param string $path
+ * @return string
+ */
+ public function getETag($path) {
+ if ($this->is_file($path)) {
+ $stat = $this->stat($path);
+ return md5(
+ $stat['mtime'] .
+ $stat['ino'] .
+ $stat['dev'] .
+ $stat['size']
+ );
+ } else {
+ return parent::getETag($path);
+ }
+ }
+
+ /**
+ * @param \OCP\Files\Storage $sourceStorage
+ * @param string $sourceInternalPath
+ * @param string $targetInternalPath
+ * @return bool
+ */
+ public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+ if($sourceStorage->instanceOfStorage('\OC\Files\Storage\Local')){
+ /**
+ * @var \OC\Files\Storage\Local $sourceStorage
+ */
+ $rootStorage = new Local(['datadir' => '/']);
+ return $rootStorage->copy($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
+ } else {
+ return parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+ }
+ }
+
+ /**
+ * @param \OCP\Files\Storage $sourceStorage
+ * @param string $sourceInternalPath
+ * @param string $targetInternalPath
+ * @return bool
+ */
+ public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+ if ($sourceStorage->instanceOfStorage('\OC\Files\Storage\Local')) {
+ /**
+ * @var \OC\Files\Storage\Local $sourceStorage
+ */
+ $rootStorage = new Local(['datadir' => '/']);
+ return $rootStorage->rename($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
+ } else {
+ return parent::moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+ }
+ }
+}
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