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-rw-r--r--lib/filestorage/local.php414
1 files changed, 414 insertions, 0 deletions
diff --git a/lib/filestorage/local.php b/lib/filestorage/local.php
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+++ b/lib/filestorage/local.php
@@ -0,0 +1,414 @@
+<?php
+/**
+ * for local filestore, we only have to map the paths
+ */
+class OC_FILESTORAGE_LOCAL extends OC_FILESTORAGE{
+ private $datadir;
+ private static $mimetypes=null;
+ public function __construct($arguments){
+ $this->datadir=$arguments['datadir'];
+ if(substr($this->datadir,-1)!=='/'){
+ $this->datadir.='/';
+ }
+ }
+ public function mkdir($path){
+ if($return=mkdir($this->datadir.$path)){
+ $this->clearFolderSizeCache($path);
+ }
+ return $return;
+ }
+ public function rmdir($path){
+ if($return=rmdir($this->datadir.$path)){
+ $this->clearFolderSizeCache($path);
+ }
+ return $return;
+ }
+ public function opendir($path){
+ return opendir($this->datadir.$path);
+ }
+ public function is_dir($path){
+ return (is_dir($this->datadir.$path) or substr($path,-1)=='/');
+ }
+ public function is_file($path){
+ return is_file($this->datadir.$path);
+ }
+ public function stat($path){
+ return stat($this->datadir.$path);
+ }
+ public function filetype($path){
+ $filetype=filetype($this->datadir.$path);
+ if($filetype=='link'){
+ $filetype=filetype(readlink($this->datadir.$path));
+ }
+ return $filetype;
+ }
+ public function filesize($path){
+ if($this->is_dir($path)){
+ return $this->getFolderSize($path);
+ }else{
+ return filesize($this->datadir.$path);
+ }
+ }
+ public function is_readable($path){
+ return is_readable($this->datadir.$path);
+ }
+ public function is_writeable($path){
+ return is_writeable($this->datadir.$path);
+ }
+ public function file_exists($path){
+ return file_exists($this->datadir.$path);
+ }
+ public function readfile($path){
+ return readfile($this->datadir.$path);
+ }
+ public function filectime($path){
+ return filectime($this->datadir.$path);
+ }
+ public function filemtime($path){
+ return filemtime($this->datadir.$path);
+ }
+ public function fileatime($path){
+ return fileatime($this->datadir.$path);
+ }
+ public function file_get_contents($path){
+ return file_get_contents($this->datadir.$path);
+ }
+ public function file_put_contents($path,$data){
+ if($return=file_put_contents($this->datadir.$path,$data)){
+ $this->clearFolderSizeCache($path);
+ }
+ }
+ public function unlink($path){
+ if($return=unlink($this->datadir.$path)){
+ $this->clearFolderSizeCache($path);
+ }
+ return $return;
+ }
+ public function rename($path1,$path2){
+ if($return=rename($this->datadir.$path1,$this->datadir.$path2)){
+ $this->clearFolderSizeCache($path1);
+ $this->clearFolderSizeCache($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;
+ }
+ if($return=copy($this->datadir.$path1,$this->datadir.$path2)){
+ $this->clearFolderSizeCache($path2);
+ }
+ return $return;
+ }
+ public function fopen($path,$mode){
+ if($return=fopen($this->datadir.$path,$mode)){
+ switch($mode){
+ case 'r':
+ break;
+ case 'r+':
+ case 'w+':
+ case 'x+':
+ case 'a+':
+ $this->clearFolderSizeCache($path);
+ break;
+ case 'w':
+ case 'x':
+ case 'a':
+ $this->clearFolderSizeCache($path);
+ break;
+ }
+ }
+ return $return;
+ }
+
+ public function getMimeType($fspath){
+ if($this->is_readable($fspath)){
+ if (@is_dir($this->datadir.$fspath)) {
+ // directories are easy
+ return "httpd/unix-directory";
+ }elseif (function_exists('finfo_open') and function_exists('finfo_file') and $finfo=finfo_open(FILEINFO_MIME)){
+ $mimeType =strtolower(finfo_file($finfo,$this->datadir.$fspath));
+ $mimeType=substr($mimeType,0,strpos($mimeType,';'));
+ finfo_close($finfo);
+ return $mimeType;
+ } else if (function_exists("mime_content_type")) {
+ // use mime magic extension if available
+ $mime_type = mime_content_type($this->datadir.$fspath);
+ } else if (self::canExecute("file")) {
+ // it looks like we have a 'file' command,
+ // lets see it it does have mime support
+ $fp = popen("file -i -b '{$this->datadir}$fspath' 2>/dev/null", "r");
+ $reply = fgets($fp);
+ pclose($fp);
+
+ //trim the character set from the end of the response
+ $mime_type=substr($reply,0,strrpos($reply,' '));
+ }
+ if (empty($mime_type)) {
+ // Fallback solution: (try to guess the type by the file extension
+ if(!self::$mimetypes){
+ self::$mimetypes=include('mimetypes.list.php');
+ }
+ $extention=strtolower(strrchr(basename($fspath), "."));
+ $extention=substr($extention,1);//remove leading .
+ $mime_type=(isset(self::$mimetypes[$extention]))?self::$mimetypes[$extention]:'application/octet-stream';
+ }
+ return $mime_type;
+ }
+ }
+
+ /**
+ * detect if a given program is found in the search PATH
+ *
+ * helper function used by _mimetype() to detect if the
+ * external 'file' utility is available
+ *
+ * @param string program name
+ * @param string optional search path, defaults to $PATH
+ * @return bool true if executable program found in path
+ */
+ private function canExecute($name, $path = false)
+ {
+ // path defaults to PATH from environment if not set
+ if ($path === false) {
+ $path = getenv("PATH");
+ }
+
+ // check method depends on operating system
+ if (!strncmp(PHP_OS, "WIN", 3)) {
+ // on Windows an appropriate COM or EXE file needs to exist
+ $exts = array(".exe", ".com");
+ $check_fn = "file_exists";
+ } else {
+ // anywhere else we look for an executable file of that name
+ $exts = array("");
+ $check_fn = "is_executable";
+ }
+
+ // Default check will be done with $path directories :
+ $dirs = explode(PATH_SEPARATOR, $path);
+
+ // WARNING : We have to check if open_basedir is enabled :
+ $obd = ini_get('open_basedir');
+
+ if($obd != "none")
+ $obd_values = explode(PATH_SEPARATOR, $obd);
+
+ if(count($obd_values) > 0)
+ {
+ // open_basedir is in effect !
+ // We need to check if the program is in one of these dirs :
+ $dirs = $obd_values;
+ }
+
+ foreach($dirs as $dir)
+ {
+ foreach($exts as $ext)
+ {
+ if($check_fn("$dir/$name".$ext))
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ public function toTmpFile($path){
+ $tmpFolder=sys_get_temp_dir();
+ $filename=tempnam($tmpFolder,'OC_TEMP_FILE_'.substr($path,strrpos($path,'.')));
+ $fileStats = stat($this->datadir.$path);
+ if(copy($this->datadir.$path,$filename)){
+ touch($filename, $fileStats['mtime'], $fileStats['atime']);
+ return $filename;
+ }else{
+ return false;
+ }
+ }
+
+ public function fromTmpFile($tmpFile,$path){
+ $fileStats = stat($tmpFile);
+ if(rename($tmpFile,$this->datadir.$path)){
+ touch($this->datadir.$path, $fileStats['mtime'], $fileStats['atime']);
+ $this->clearFolderSizeCache($path);
+ return true;
+ }else{
+ return false;
+ }
+ }
+
+ public function fromUploadedFile($tmpFile,$path){
+ $fileStats = stat($tmpFile);
+ if(move_uploaded_file($tmpFile,$this->datadir.$path)){
+ touch($this->datadir.$path, $fileStats['mtime'], $fileStats['atime']);
+ $this->clearFolderSizeCache($path);
+ return true;
+ }else{
+ return false;
+ }
+ }
+
+ public 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)){
+ $this->clearFolderSizeCache($dir);
+ }
+ }elseif(is_dir($dir.'/'.$item)){
+ if (!$this->delTree($dirRelative. "/" . $item)){
+ return false;
+ };
+ }
+ }
+ if($return=rmdir($dir)){
+ $this->clearFolderSizeCache($dir);
+ }
+ return $return;
+ }
+
+ public function find($path){
+ $return=System::find($this->datadir.$path);
+ foreach($return as &$file){
+ $file=str_replace($file,$this->datadir,'');
+ }
+ return $return;
+ }
+
+ public function getTree($dir) {
+ if(substr($dir,-1,1)=='/'){
+ $dir=substr($dir,0,-1);
+ }
+ $tree=array();
+ $tree[]=$dir;
+ $dirRelative=$dir;
+ $dir=$this->datadir.$dir;
+ if (!file_exists($dir)) return true;
+ foreach (scandir($dir) as $item) {
+ if ($item == '.' || $item == '..') continue;
+ if(is_file($dir.'/'.$item)){
+ $tree[]=$dirRelative.'/'.$item;
+ }elseif(is_dir($dir.'/'.$item)){
+ if ($subTree=$this->getTree($dirRelative. "/" . $item)){
+ $tree=array_merge($tree,$subTree);
+ }
+ }
+ }
+ return $tree;
+ }
+
+ public function hash($type,$path,$raw){
+ 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;
+ }
+
+ private 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;
+ }
+
+ /**
+ * @brief get the size of folder and it's content
+ * @param string $path file path
+ * @return int size of folder and it's content
+ */
+ public function getFolderSize($path){
+ $path=str_replace('//','/',$path);
+ if($this->is_dir($path) and substr($path,-1)!='/'){
+ $path.='/';
+ }
+ $query=OC_DB::prepare("SELECT size FROM *PREFIX*foldersize WHERE path=?");
+ $size=$query->execute(array($path))->fetchAll();
+ if(count($size)>0){// we already the size, just return it
+ return $size[0]['size'];
+ }else{//the size of the folder isn't know, calulate it
+ return $this->calculateFolderSize($path);
+ }
+ }
+
+ /**
+ * @brief calulate the size of folder and it's content and cache it
+ * @param string $path file path
+ * @return int size of folder and it's content
+ */
+ public function calculateFolderSize($path){
+ if($this->is_file($path)){
+ $path=dirname($path);
+ }
+ $path=str_replace('//','/',$path);
+ if($this->is_dir($path) and substr($path,-1)!='/'){
+ $path.='/';
+ }
+ $size=0;
+ if ($dh = $this->opendir($path)) {
+ while (($filename = readdir($dh)) !== false) {
+ if($filename!='.' and $filename!='..'){
+ $subFile=$path.'/'.$filename;
+ if($this->is_file($subFile)){
+ $size+=$this->filesize($subFile);
+ }else{
+ $size+=$this->getFolderSize($subFile);
+ }
+ }
+ }
+ if($size>0){
+ $query=OC_DB::prepare("INSERT INTO *PREFIX*foldersize VALUES(?,?)");
+ $result=$query->execute(array($path,$size));
+ }
+ }
+ return $size;
+ }
+
+ /**
+ * @brief clear the folder size cache of folders containing a file
+ * @param string $path
+ */
+ public function clearFolderSizeCache($path){
+ if($this->is_file($path)){
+ $path=dirname($path);
+ }
+ $path=str_replace('//','/',$path);
+ if($this->is_dir($path) and substr($path,-1)!='/'){
+ $path.='/';
+ }
+ $query=OC_DB::prepare("DELETE FROM *PREFIX*foldersize WHERE path = ?");
+ $result=$query->execute(array($path));
+ if($path!='/' and $path!=''){
+ $parts=explode('/',$path);
+ //pop empty part
+ $part=array_pop($parts);
+ if(empty($part)){
+ array_pop($parts);
+ }
+ $parent=implode('/',$parts);
+ $this->clearFolderSizeCache($parent);
+ }
+ }
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-10 17:28:27 +0000