322 lines
8.8 KiB
PHP
322 lines
8.8 KiB
PHP
<?php
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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 OC_Filestorage_Local extends OC_Filestorage{
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private $datadir;
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private static $mimetypes=null;
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public function __construct($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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}
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public function mkdir($path){
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if($return=mkdir($this->datadir.$path)){
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$this->clearFolderSizeCache($path);
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}
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return $return;
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}
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public function rmdir($path){
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if($return=rmdir($this->datadir.$path)){
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$this->clearFolderSizeCache($path);
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}
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return $return;
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}
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public function opendir($path){
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return opendir($this->datadir.$path);
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}
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public function is_dir($path){
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return (is_dir($this->datadir.$path) or substr($path,-1)=='/');
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}
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public function is_file($path){
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return is_file($this->datadir.$path);
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}
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public function stat($path){
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return stat($this->datadir.$path);
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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(readlink($this->datadir.$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 $this->getFolderSize($path);
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}else{
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return filesize($this->datadir.$path);
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}
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}
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public function is_readable($path){
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return is_readable($this->datadir.$path);
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}
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public function is_writeable($path){
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return is_writeable($this->datadir.$path);
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}
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public function file_exists($path){
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return file_exists($this->datadir.$path);
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}
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public function readfile($path){
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return readfile($this->datadir.$path);
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}
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public function filectime($path){
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return filectime($this->datadir.$path);
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}
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public function filemtime($path){
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return filemtime($this->datadir.$path);
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}
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public function file_get_contents($path){
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return file_get_contents($this->datadir.$path);
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}
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public function file_put_contents($path,$data){
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if($return=file_put_contents($this->datadir.$path,$data)){
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$this->clearFolderSizeCache($path);
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}
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}
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public function unlink($path){
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$return=$this->delTree($path);
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$this->clearFolderSizeCache($path);
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return $return;
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}
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public function rename($path1,$path2){
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if(! $this->file_exists($path1)){
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OC_Log::write('core','unable to rename, file does not exists : '.$path1,OC_Log::ERROR);
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return false;
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}
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if($return=rename($this->datadir.$path1,$this->datadir.$path2)){
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$this->clearFolderSizeCache($path1);
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$this->clearFolderSizeCache($path2);
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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->datadir.$path1,$this->datadir.$path2)){
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$this->clearFolderSizeCache($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($this->datadir.$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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$this->clearFolderSizeCache($path);
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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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$this->clearFolderSizeCache($path);
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break;
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}
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}
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return $return;
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}
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public function getMimeType($fspath){
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if($this->is_readable($fspath)){
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$mimeType='application/octet-stream';
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if (@is_dir($this->datadir.$fspath)) {
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// directories are easy
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return "httpd/unix-directory";
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}
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if($mimeType=='application/octet-stream' and function_exists('finfo_open') and function_exists('finfo_file') and $finfo=finfo_open(FILEINFO_MIME)){
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$mimeType =strtolower(finfo_file($finfo,$this->datadir.$fspath));
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$mimeType=substr($mimeType,0,strpos($mimeType,';'));
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finfo_close($finfo);
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}
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if ($mimeType=='application/octet-stream' && function_exists("mime_content_type")) {
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// use mime magic extension if available
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$mimeType = mime_content_type($this->datadir.$fspath);
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}
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if ($mimeType=='application/octet-stream' && OC_Helper::canExecute("file")) {
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// it looks like we have a 'file' command,
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// lets see it it does have mime support
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$fspath=str_replace("'","\'",$fspath);
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$fp = popen("file -i -b '{$this->datadir}$fspath' 2>/dev/null", "r");
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$reply = fgets($fp);
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pclose($fp);
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//trim the character set from the end of the response
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$mimeType=substr($reply,0,strrpos($reply,' '));
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}
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if ($mimeType=='application/octet-stream') {
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// Fallback solution: (try to guess the type by the file extension
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if(!self::$mimetypes){
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self::$mimetypes=include('mimetypes.list.php');
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}
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$extention=strtolower(strrchr(basename($fspath), "."));
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$extention=substr($extention,1);//remove leading .
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$mimeType=(isset(self::$mimetypes[$extention]))?self::$mimetypes[$extention]:'application/octet-stream';
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}
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return $mimeType;
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}
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}
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public function toTmpFile($path){
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$tmpFolder=get_temp_dir();
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$filename=tempnam($tmpFolder,'OC_TEMP_FILE_'.substr($path,strrpos($path,'.')));
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$fileStats = stat($this->datadir.$path);
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if(copy($this->datadir.$path,$filename)){
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touch($filename, $fileStats['mtime'], $fileStats['atime']);
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return $filename;
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}else{
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return false;
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}
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}
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public function fromTmpFile($tmpFile,$path){
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$fileStats = stat($tmpFile);
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if(rename($tmpFile,$this->datadir.$path)){
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touch($this->datadir.$path, $fileStats['mtime'], $fileStats['atime']);
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$this->clearFolderSizeCache($path);
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return true;
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}else{
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return false;
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}
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}
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private function delTree($dir) {
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$dirRelative=$dir;
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$dir=$this->datadir.$dir;
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if (!file_exists($dir)) return true;
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if (!is_dir($dir) || is_link($dir)) return unlink($dir);
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foreach (scandir($dir) as $item) {
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if ($item == '.' || $item == '..') continue;
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if(is_file($dir.'/'.$item)){
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if(unlink($dir.'/'.$item)){
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$this->clearFolderSizeCache($dir);
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}
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}elseif(is_dir($dir.'/'.$item)){
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if (!$this->delTree($dirRelative. "/" . $item)){
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return false;
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};
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}
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}
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if($return=rmdir($dir)){
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$this->clearFolderSizeCache($dir);
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}
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return $return;
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}
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public function hash($type,$path,$raw){
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return hash_file($type,$this->datadir.$path,$raw);
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}
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public function free_space($path){
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return disk_free_space($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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}
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public function getLocalFile($path){
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return $this->datadir.$path;
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}
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private function searchInDir($query,$dir=''){
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$files=array();
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foreach (scandir($this->datadir.$dir) as $item) {
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if ($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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}
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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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}
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}
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return $files;
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}
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/**
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* @brief get the size of folder and it's content
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* @param string $path file path
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* @return int size of folder and it's content
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*/
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public function getFolderSize($path){
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$path=str_replace('//','/',$path);
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if($this->is_dir($path) and substr($path,-1)!='/'){
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$path.='/';
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}
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$query=OC_DB::prepare("SELECT size FROM *PREFIX*foldersize WHERE path=?");
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$size=$query->execute(array($path))->fetchAll();
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if(count($size)>0){// we already the size, just return it
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return $size[0]['size'];
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}else{//the size of the folder isn't know, calulate it
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return $this->calculateFolderSize($path);
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}
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}
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/**
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* @brief calulate the size of folder and it's content and cache it
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* @param string $path file path
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* @return int size of folder and it's content
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*/
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public function calculateFolderSize($path){
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if($this->is_file($path)){
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$path=dirname($path);
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}
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$path=str_replace('//','/',$path);
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if($this->is_dir($path) and substr($path,-1)!='/'){
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$path.='/';
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}
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$size=0;
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if ($dh = $this->opendir($path)) {
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while (($filename = readdir($dh)) !== false) {
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if($filename!='.' and $filename!='..'){
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$subFile=$path.'/'.$filename;
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if($this->is_file($subFile)){
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$size+=$this->filesize($subFile);
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}else{
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$size+=$this->getFolderSize($subFile);
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}
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}
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}
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if($size>0){
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$query=OC_DB::prepare("INSERT INTO *PREFIX*foldersize VALUES(?,?)");
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$result=$query->execute(array($path,$size));
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}
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}
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return $size;
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}
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/**
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* @brief clear the folder size cache of folders containing a file
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* @param string $path
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*/
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public function clearFolderSizeCache($path){
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if($this->is_file($path)){
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$path=dirname($path);
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}
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$path=str_replace('//','/',$path);
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if($this->is_dir($path) and substr($path,-1)!='/'){
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$path.='/';
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}
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$query=OC_DB::prepare("DELETE FROM *PREFIX*foldersize WHERE path = ?");
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$result=$query->execute(array($path));
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if($path!='/' and $path!=''){
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$parts=explode('/',$path);
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//pop empty part
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$part=array_pop($parts);
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if(empty($part)){
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array_pop($parts);
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}
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$parent=implode('/',$parts);
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$this->clearFolderSizeCache($parent);
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}
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}
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}
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