nextcloud/lib/files/storage/local.php

248 lines
6.3 KiB
PHP

<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
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)!=='/') {
$this->datadir.='/';
}
}
public function getId(){
return 'local::'.$this->datadir;
}
public function mkdir($path) {
return @mkdir($this->datadir.$path);
}
public function rmdir($path) {
return @rmdir($this->datadir.$path);
}
public function opendir($path) {
return opendir($this->datadir.$path);
}
public function is_dir($path) {
if(substr($path,-1)=='/') {
$path=substr($path, 0, -1);
}
return is_dir($this->datadir.$path);
}
public function is_file($path) {
return is_file($this->datadir.$path);
}
public function stat($path) {
$fullPath = $this->datadir . $path;
$statResult = stat($fullPath);
if ($statResult['size'] < 0) {
$size = self::getFileSizeFromOS($fullPath);
$statResult['size'] = $size;
$statResult[7] = $size;
}
return $statResult;
}
public function filetype($path) {
$filetype=filetype($this->datadir.$path);
if($filetype=='link') {
$filetype=filetype(realpath($this->datadir.$path));
}
return $filetype;
}
public function filesize($path) {
if($this->is_dir($path)) {
return 0;
}else{
$fullPath = $this->datadir . $path;
$fileSize = filesize($fullPath);
if ($fileSize < 0) {
return self::getFileSizeFromOS($fullPath);
}
return $fileSize;
}
}
public function isReadable($path) {
return is_readable($this->datadir.$path);
}
public function isUpdatable($path) {
return is_writable($this->datadir.$path);
}
public function file_exists($path) {
return file_exists($this->datadir.$path);
}
public function filemtime($path) {
return filemtime($this->datadir.$path);
}
public function touch($path, $mtime=null) {
// sets the modification time of the file to the given value.
// If mtime is nil the current time is set.
// note that the access time of the file always changes to the current time.
if(!is_null($mtime)) {
$result=touch( $this->datadir.$path, $mtime );
}else{
$result=touch( $this->datadir.$path);
}
if( $result ) {
clearstatcache( true, $this->datadir.$path );
}
return $result;
}
public function file_get_contents($path) {
return file_get_contents($this->datadir.$path);
}
public function file_put_contents($path, $data) {//trigger_error("$path = ".var_export($path, 1));
return file_put_contents($this->datadir.$path, $data);
}
public function unlink($path) {
return $this->delTree($path);
}
public function rename($path1, $path2) {
if (!$this->isUpdatable($path1)) {
\OC_Log::write('core','unable to rename, file is not writable : '.$path1,\OC_Log::ERROR);
return false;
}
if(! $this->file_exists($path1)) {
\OC_Log::write('core','unable to rename, file does not exists : '.$path1,\OC_Log::ERROR);
return false;
}
if($return=rename($this->datadir.$path1, $this->datadir.$path2)) {
}
return $return;
}
public function copy($path1, $path2) {
if($this->is_dir($path2)) {
if(!$this->file_exists($path2)) {
$this->mkdir($path2);
}
$source=substr($path1, strrpos($path1, '/')+1);
$path2.=$source;
}
return copy($this->datadir.$path1, $this->datadir.$path2);
}
public function fopen($path, $mode) {
if($return=fopen($this->datadir.$path, $mode)) {
switch($mode) {
case 'r':
break;
case 'r+':
case 'w+':
case 'x+':
case 'a+':
break;
case 'w':
case 'x':
case 'a':
break;
}
}
return $return;
}
public function getMimeType($path) {
if($this->isReadable($path)) {
return \OC_Helper::getMimeType($this->datadir . $path);
}else{
return false;
}
}
private function delTree($dir) {
$dirRelative=$dir;
$dir=$this->datadir.$dir;
if (!file_exists($dir)) return true;
if (!is_dir($dir) || is_link($dir)) return unlink($dir);
foreach (scandir($dir) as $item) {
if ($item == '.' || $item == '..') continue;
if(is_file($dir.'/'.$item)) {
if(unlink($dir.'/'.$item)) {
}
}elseif(is_dir($dir.'/'.$item)) {
if (!$this->delTree($dirRelative. "/" . $item)) {
return false;
};
}
}
if($return=rmdir($dir)) {
}
return $return;
}
private static function getFileSizeFromOS($fullPath) {
$name = strtolower(php_uname('s'));
// Windows OS: we use COM to access the filesystem
if (strpos($name, 'win') !== false) {
if (class_exists('COM')) {
$fsobj = new COM("Scripting.FileSystemObject");
$f = $fsobj->GetFile($fullPath);
return $f->Size;
}
} else if (strpos($name, 'bsd') !== false) {
if (\OC_Helper::is_function_enabled('exec')) {
return (float)exec('stat -f %z ' . escapeshellarg($fullPath));
}
} else if (strpos($name, 'linux') !== false) {
if (\OC_Helper::is_function_enabled('exec')) {
return (float)exec('stat -c %s ' . escapeshellarg($fullPath));
}
} else {
OC_Log::write('core', 'Unable to determine file size of "'.$fullPath.'". Unknown OS: '.$name, OC_Log::ERROR);
}
return 0;
}
public function hash($path, $type, $raw=false) {
return hash_file($type, $this->datadir.$path, $raw);
}
public function free_space($path) {
return @disk_free_space($this->datadir.$path);
}
public function search($query) {
return $this->searchInDir($query);
}
public function getLocalFile($path) {
return $this->datadir.$path;
}
public function getLocalFolder($path) {
return $this->datadir.$path;
}
protected function searchInDir($query, $dir='') {
$files=array();
foreach (scandir($this->datadir.$dir) as $item) {
if ($item == '.' || $item == '..') continue;
if(strstr(strtolower($item), strtolower($query))!==false) {
$files[]=$dir.'/'.$item;
}
if(is_dir($this->datadir.$dir.'/'.$item)) {
$files=array_merge($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) {
return $this->filemtime($path)>$time;
}
}