nextcloud/lib/filestorage/local.php

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<?php
/**
* for local filestore, we only have to map the paths
*/
class OC_Filestorage_Local extends OC_Filestorage_Common{
protected $datadir;
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public function __construct($arguments) {
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$this->datadir=$arguments['datadir'];
if(substr($this->datadir, -1)!=='/') {
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$this->datadir.='/';
}
}
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public function mkdir($path) {
return @mkdir($this->datadir.$path);
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}
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public function rmdir($path) {
return @rmdir($this->datadir.$path);
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}
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public function opendir($path) {
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return opendir($this->datadir.$path);
}
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public function is_dir($path) {
if(substr($path, -1)=='/') {
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$path=substr($path, 0, -1);
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}
return is_dir($this->datadir.$path);
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}
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public function is_file($path) {
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return is_file($this->datadir.$path);
}
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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;
return $statResult;
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}
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public function filetype($path) {
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$filetype=filetype($this->datadir.$path);
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if($filetype=='link') {
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$filetype=filetype(realpath($this->datadir.$path));
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}
return $filetype;
}
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public function filesize($path) {
if($this->is_dir($path)) {
return 0;
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}else{
$fullPath = $this->datadir . $path;
$fileSize = filesize($fullPath);
if ($fileSize < 0) {
return self::getFileSizeFromOS($fullPath);
}
return $fileSize;
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}
}
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public function isReadable($path) {
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return is_readable($this->datadir.$path);
}
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public function isUpdatable($path) {
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return is_writable($this->datadir.$path);
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}
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public function file_exists($path) {
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return file_exists($this->datadir.$path);
}
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public function filectime($path) {
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return filectime($this->datadir.$path);
}
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public function filemtime($path) {
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return filemtime($this->datadir.$path);
}
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public function touch($path, $mtime=null) {
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// sets the modification time of the file to the given value.
// If mtime is nil the current time is set.
// note that the access time of the file always changes to the current time.
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if(!is_null($mtime)) {
$result=touch( $this->datadir.$path, $mtime );
}else{
$result=touch( $this->datadir.$path);
}
if( $result ) {
clearstatcache( true, $this->datadir.$path );
}
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return $result;
}
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public function file_get_contents($path) {
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return file_get_contents($this->datadir.$path);
}
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public function file_put_contents($path, $data) {
return file_put_contents($this->datadir.$path, $data);
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}
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public function unlink($path) {
return $this->delTree($path);
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}
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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;
}
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if(! $this->file_exists($path1)) {
OC_Log::write('core', 'unable to rename, file does not exists : '.$path1, OC_Log::ERROR);
return false;
}
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if($return=rename($this->datadir.$path1, $this->datadir.$path2)) {
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}
return $return;
}
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public function copy($path1, $path2) {
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if($this->is_dir($path2)) {
if(!$this->file_exists($path2)) {
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$this->mkdir($path2);
}
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$source=substr($path1, strrpos($path1, '/')+1);
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$path2.=$source;
}
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return copy($this->datadir.$path1, $this->datadir.$path2);
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}
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public function fopen($path, $mode) {
if($return=fopen($this->datadir.$path, $mode)) {
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switch($mode) {
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case 'r':
break;
case 'r+':
case 'w+':
case 'x+':
case 'a+':
break;
case 'w':
case 'x':
case 'a':
break;
}
}
return $return;
}
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public function getMimeType($path) {
if($this->isReadable($path)) {
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return OC_Helper::getMimeType($this->datadir.$path);
}else{
return false;
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}
}
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private function delTree($dir) {
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$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 == '.' || $item == '..') continue;
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if(is_file($dir.'/'.$item)) {
if(unlink($dir.'/'.$item)) {
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}
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}elseif(is_dir($dir.'/'.$item)) {
if (!$this->delTree($dirRelative. "/" . $item)) {
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return false;
};
}
}
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if($return=rmdir($dir)) {
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}
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($fullPath));
}
} else {
OC_Log::write('core', 'Unknown OS: '.$name, OC_Log::ERROR);
}
return 0;
}
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public function hash($path, $type, $raw=false) {
return hash_file($type, $this->datadir.$path, $raw);
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}
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public function free_space($path) {
return @disk_free_space($this->datadir.$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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public function getLocalFile($path) {
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return $this->datadir.$path;
}
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public function getLocalFolder($path) {
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return $this->datadir.$path;
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}
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protected function searchInDir($query, $dir='') {
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$files=array();
foreach (scandir($this->datadir.$dir) as $item) {
if ($item == '.' || $item == '..') continue;
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if(strstr(strtolower($item), strtolower($query))!==false) {
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$files[]=$dir.'/'.$item;
}
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if(is_dir($this->datadir.$dir.'/'.$item)) {
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$files=array_merge($files, $this->searchInDir($query, $dir.'/'.$item));
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}
}
return $files;
}
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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 $time
* @return bool
*/
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public function hasUpdated($path, $time) {
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return $this->filemtime($path)>$time;
}
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}