376 lines
9.4 KiB
PHP
376 lines
9.4 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Files\Storage;
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/**
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* for local filestore, we only have to map the paths
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*/
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class MappedLocal extends \OC\Files\Storage\Common{
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protected $datadir;
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private $mapper;
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public function __construct($arguments) {
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$this->datadir=$arguments['datadir'];
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if(substr($this->datadir, -1)!=='/') {
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$this->datadir.='/';
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}
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$this->mapper= new \OC\Files\Mapper($this->datadir);
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}
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public function __destruct() {
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if (defined('PHPUNIT_RUN')) {
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$this->mapper->removePath($this->datadir, true, true);
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}
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}
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public function getId(){
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return 'local::'.$this->datadir;
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}
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public function mkdir($path) {
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return @mkdir($this->buildPath($path), 0777, true);
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}
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public function rmdir($path) {
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try {
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$it = new \RecursiveIteratorIterator(
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new \RecursiveDirectoryIterator($this->buildPath($path)),
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\RecursiveIteratorIterator::CHILD_FIRST
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);
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foreach ($it as $file) {
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/**
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* @var \SplFileInfo $file
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*/
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if (in_array($file->getBasename(), array('.', '..'))) {
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continue;
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} elseif ($file->isDir()) {
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rmdir($file->getPathname());
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} elseif ($file->isFile() || $file->isLink()) {
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unlink($file->getPathname());
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}
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}
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if ($result = @rmdir($this->buildPath($path))) {
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$this->cleanMapper($path);
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}
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return $result;
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} catch (\UnexpectedValueException $e) {
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return false;
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}
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}
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public function opendir($path) {
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$files = array('.', '..');
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$physicalPath= $this->buildPath($path);
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$logicalPath = $this->mapper->physicalToLogic($physicalPath);
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$dh = opendir($physicalPath);
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if(is_resource($dh)) {
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while (($file = readdir($dh)) !== false) {
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if ($file === '.' or $file === '..') {
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continue;
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}
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$logicalFilePath = $this->mapper->physicalToLogic($physicalPath.'/'.$file);
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$file= $this->mapper->stripRootFolder($logicalFilePath, $logicalPath);
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$file = $this->stripLeading($file);
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$files[]= $file;
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}
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}
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\OC\Files\Stream\Dir::register('local-win32'.$path, $files);
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return opendir('fakedir://local-win32'.$path);
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}
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public function is_dir($path) {
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if(substr($path, -1)=='/') {
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$path=substr($path, 0, -1);
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}
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return is_dir($this->buildPath($path));
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}
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public function is_file($path) {
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return is_file($this->buildPath($path));
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}
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public function stat($path) {
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$fullPath = $this->buildPath($path);
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$statResult = stat($fullPath);
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if ($statResult['size'] < 0) {
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$size = self::getFileSizeFromOS($fullPath);
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$statResult['size'] = $size;
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$statResult[7] = $size;
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}
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return $statResult;
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}
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public function filetype($path) {
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$filetype=filetype($this->buildPath($path));
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if($filetype=='link') {
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$filetype=filetype(realpath($this->buildPath($path)));
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}
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return $filetype;
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}
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public function filesize($path) {
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if($this->is_dir($path)) {
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return 0;
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}else{
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$fullPath = $this->buildPath($path);
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$fileSize = filesize($fullPath);
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if ($fileSize < 0) {
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return self::getFileSizeFromOS($fullPath);
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}
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return $fileSize;
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}
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}
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public function isReadable($path) {
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return is_readable($this->buildPath($path));
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}
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public function isUpdatable($path) {
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return is_writable($this->buildPath($path));
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}
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public function file_exists($path) {
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return file_exists($this->buildPath($path));
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}
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public function filemtime($path) {
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return filemtime($this->buildPath($path));
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}
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public function touch($path, $mtime=null) {
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// sets the modification time of the file to the given value.
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// If mtime is nil the current time is set.
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// note that the access time of the file always changes to the current time.
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if(!is_null($mtime)) {
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$result=touch( $this->buildPath($path), $mtime );
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}else{
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$result=touch( $this->buildPath($path));
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}
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if( $result ) {
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clearstatcache( true, $this->buildPath($path) );
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}
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return $result;
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}
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public function file_get_contents($path) {
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return file_get_contents($this->buildPath($path));
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}
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public function file_put_contents($path, $data) {
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return file_put_contents($this->buildPath($path), $data);
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}
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public function unlink($path) {
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return $this->delTree($path);
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}
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public function rename($path1, $path2) {
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if (!$this->isUpdatable($path1)) {
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\OC_Log::write('core', 'unable to rename, file is not writable : '.$path1, \OC_Log::ERROR);
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return false;
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}
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if(! $this->file_exists($path1)) {
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\OC_Log::write('core', 'unable to rename, file does not exists : '.$path1, \OC_Log::ERROR);
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return false;
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}
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$physicPath1 = $this->buildPath($path1);
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$physicPath2 = $this->buildPath($path2);
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if($return=rename($physicPath1, $physicPath2)) {
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// mapper needs to create copies or all children
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$this->copyMapping($path1, $path2);
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$this->cleanMapper($physicPath1, false, true);
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}
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return $return;
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}
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public function copy($path1, $path2) {
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if($this->is_dir($path2)) {
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if(!$this->file_exists($path2)) {
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$this->mkdir($path2);
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}
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$source=substr($path1, strrpos($path1, '/')+1);
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$path2.=$source;
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}
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if($return=copy($this->buildPath($path1), $this->buildPath($path2))) {
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// mapper needs to create copies or all children
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$this->copyMapping($path1, $path2);
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}
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return $return;
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}
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public function fopen($path, $mode) {
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if($return=fopen($this->buildPath($path), $mode)) {
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switch($mode) {
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case 'r':
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break;
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case 'r+':
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case 'w+':
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case 'x+':
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case 'a+':
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break;
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case 'w':
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case 'x':
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case 'a':
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break;
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}
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}
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return $return;
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}
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/**
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* @param string $dir
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*/
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private function delTree($dir, $isLogicPath=true) {
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$dirRelative=$dir;
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if ($isLogicPath) {
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$dir=$this->buildPath($dir);
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}
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if (!file_exists($dir)) {
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return true;
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}
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if (!is_dir($dir) || is_link($dir)) {
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if($return=unlink($dir)) {
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$this->cleanMapper($dir, false);
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return $return;
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}
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}
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foreach (scandir($dir) as $item) {
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if ($item == '.' || $item == '..') {
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continue;
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}
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if(is_file($dir.'/'.$item)) {
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if(unlink($dir.'/'.$item)) {
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$this->cleanMapper($dir.'/'.$item, false);
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}
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}elseif(is_dir($dir.'/'.$item)) {
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if (!$this->delTree($dir. "/" . $item, false)) {
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return false;
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};
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}
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}
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if($return=rmdir($dir)) {
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$this->cleanMapper($dir, false);
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}
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return $return;
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}
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/**
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* @param string $fullPath
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*/
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private static function getFileSizeFromOS($fullPath) {
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$name = strtolower(php_uname('s'));
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// Windows OS: we use COM to access the filesystem
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if (strpos($name, 'win') !== false) {
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if (class_exists('COM')) {
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$fsobj = new \COM("Scripting.FileSystemObject");
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$f = $fsobj->GetFile($fullPath);
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return $f->Size;
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}
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} else if (strpos($name, 'bsd') !== false) {
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if (\OC_Helper::is_function_enabled('exec')) {
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return (float)exec('stat -f %z ' . escapeshellarg($fullPath));
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}
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} else if (strpos($name, 'linux') !== false) {
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if (\OC_Helper::is_function_enabled('exec')) {
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return (float)exec('stat -c %s ' . escapeshellarg($fullPath));
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}
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} else {
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\OC_Log::write('core',
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'Unable to determine file size of "'.$fullPath.'". Unknown OS: '.$name,
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\OC_Log::ERROR);
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}
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return 0;
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}
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public function hash($path, $type, $raw=false) {
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return hash_file($type, $this->buildPath($path), $raw);
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}
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public function free_space($path) {
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return @disk_free_space($this->buildPath($path));
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}
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public function search($query) {
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return $this->searchInDir($query);
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}
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public function getLocalFile($path) {
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return $this->buildPath($path);
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}
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public function getLocalFolder($path) {
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return $this->buildPath($path);
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}
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/**
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* @param string $query
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*/
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protected function searchInDir($query, $dir='') {
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$files=array();
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$physicalDir = $this->buildPath($dir);
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foreach (scandir($physicalDir) as $item) {
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if ($item == '.' || $item == '..')
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continue;
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$physicalItem = $this->mapper->physicalToLogic($physicalDir.'/'.$item);
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$item = substr($physicalItem, strlen($physicalDir)+1);
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if(strstr(strtolower($item), strtolower($query)) !== false) {
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$files[]=$dir.'/'.$item;
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}
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if(is_dir($physicalItem)) {
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$files=array_merge($files, $this->searchInDir($query, $dir.'/'.$item));
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}
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}
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return $files;
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}
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/**
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* check if a file or folder has been updated since $time
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* @param string $path
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* @param int $time
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* @return bool
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*/
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public function hasUpdated($path, $time) {
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return $this->filemtime($path)>$time;
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}
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/**
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* @param string $path
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*/
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private function buildPath($path, $create=true) {
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$path = $this->stripLeading($path);
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$fullPath = $this->datadir.$path;
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return $this->mapper->logicToPhysical($fullPath, $create);
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}
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/**
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* @param string $path
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*/
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private function cleanMapper($path, $isLogicPath=true, $recursive=true) {
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$fullPath = $path;
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if ($isLogicPath) {
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$fullPath = $this->datadir.$path;
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}
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$this->mapper->removePath($fullPath, $isLogicPath, $recursive);
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}
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/**
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* @param string $path1
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* @param string $path2
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*/
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private function copyMapping($path1, $path2) {
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$path1 = $this->stripLeading($path1);
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$path2 = $this->stripLeading($path2);
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$fullPath1 = $this->datadir.$path1;
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$fullPath2 = $this->datadir.$path2;
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$this->mapper->copy($fullPath1, $fullPath2);
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}
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private function stripLeading($path) {
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if(strpos($path, '/') === 0) {
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$path = substr($path, 1);
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}
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if(strpos($path, '\\') === 0) {
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$path = substr($path, 1);
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}
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if ($path === false) {
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return '';
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}
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return $path;
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}
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}
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