--- /dev/null
+<?php
+
+namespace OC\Files;
+
+/**
+ * class Mapper is responsible to translate logical paths to physical paths and reverse
+ */
+class Mapper
+{
+ /**
+ * @param string $logicPath
+ * @param bool $create indicates if the generated physical name shall be stored in the database or not
+ * @return string the physical path
+ */
+ public function logicToPhysical($logicPath, $create) {
+ $physicalPath = $this->resolveLogicPath($logicPath);
+ if ($physicalPath !== null) {
+ return $physicalPath;
+ }
+
+ return $this->create($logicPath, $create);
+ }
+
+ /**
+ * @param string $physicalPath
+ * @return string|null
+ */
+ public function physicalToLogic($physicalPath) {
+ $logicPath = $this->resolvePhysicalPath($physicalPath);
+ if ($logicPath !== null) {
+ return $logicPath;
+ }
+
+ $this->insert($physicalPath, $physicalPath);
+ return $physicalPath;
+ }
+
+ /**
+ * @param string $path
+ * @param bool $isLogicPath indicates if $path is logical or physical
+ * @param $recursive
+ */
+ public function removePath($path, $isLogicPath, $recursive) {
+ if ($recursive) {
+ $path=$path.'%';
+ }
+
+ if ($isLogicPath) {
+ $query = \OC_DB::prepare('DELETE FROM `*PREFIX*file_map` WHERE `logic_path` LIKE ?');
+ $query->execute(array($path));
+ } else {
+ $query = \OC_DB::prepare('DELETE FROM `*PREFIX*file_map` WHERE `physic_path` LIKE ?');
+ $query->execute(array($path));
+ }
+ }
+
+ /**
+ * @param $path1
+ * @param $path2
+ * @throws \Exception
+ */
+ public function copy($path1, $path2)
+ {
+ $path1 = $this->stripLast($path1);
+ $path2 = $this->stripLast($path2);
+ $physicPath1 = $this->logicToPhysical($path1, true);
+ $physicPath2 = $this->logicToPhysical($path2, true);
+
+ $query = \OC_DB::prepare('SELECT * FROM `*PREFIX*file_map` WHERE `logic_path` LIKE ?');
+ $result = $query->execute(array($path1.'%'));
+ $updateQuery = \OC_DB::prepare('UPDATE `*PREFIX*file_map`'
+ .' SET `logic_path` = ?'
+ .' AND `physic_path` = ?'
+ .' WHERE `logic_path` = ?');
+ while( $row = $result->fetchRow()) {
+ $currentLogic = $row['logic_path'];
+ $currentPhysic = $row['physic_path'];
+ $newLogic = $path2.$this->stripRootFolder($currentLogic, $path1);
+ $newPhysic = $physicPath2.$this->stripRootFolder($currentPhysic, $physicPath1);
+ if ($path1 !== $currentLogic) {
+ try {
+ $updateQuery->execute(array($newLogic, $newPhysic, $currentLogic));
+ } catch (\Exception $e) {
+ error_log('Mapper::Copy failed '.$currentLogic.' -> '.$newLogic.'\n'.$e);
+ throw $e;
+ }
+ }
+ }
+ }
+
+ /**
+ * @param $path
+ * @param $root
+ * @return bool|string
+ */
+ public function stripRootFolder($path, $root) {
+ if (strpos($path, $root) !== 0) {
+ // throw exception ???
+ return false;
+ }
+ if (strlen($path) > strlen($root)) {
+ return substr($path, strlen($root));
+ }
+
+ return '';
+ }
+
+ private function stripLast($path) {
+ if (substr($path, -1) == '/') {
+ $path = substr_replace($path ,'',-1);
+ }
+ return $path;
+ }
+
+ private function resolveLogicPath($logicPath) {
+ $logicPath = $this->stripLast($logicPath);
+ $query = \OC_DB::prepare('SELECT * FROM `*PREFIX*file_map` WHERE `logic_path` = ?');
+ $result = $query->execute(array($logicPath));
+ $result = $result->fetchRow();
+
+ return $result['physic_path'];
+ }
+
+ private function resolvePhysicalPath($physicalPath) {
+ $physicalPath = $this->stripLast($physicalPath);
+ $query = \OC_DB::prepare('SELECT * FROM `*PREFIX*file_map` WHERE `physic_path` = ?');
+ $result = $query->execute(array($physicalPath));
+ $result = $result->fetchRow();
+
+ return $result['logic_path'];
+ }
+
+ private function create($logicPath, $store) {
+ $logicPath = $this->stripLast($logicPath);
+ $index = 0;
+
+ // create the slugified path
+ $physicalPath = $this->slugifyPath($logicPath);
+
+ // detect duplicates
+ while ($this->resolvePhysicalPath($physicalPath) !== null) {
+ $physicalPath = $this->slugifyPath($physicalPath, $index++);
+ }
+
+ // insert the new path mapping if requested
+ if ($store) {
+ $this->insert($logicPath, $physicalPath);
+ }
+
+ return $physicalPath;
+ }
+
+ private function insert($logicPath, $physicalPath) {
+ $query = \OC_DB::prepare('INSERT INTO `*PREFIX*file_map`(`logic_path`,`physic_path`) VALUES(?,?)');
+ $query->execute(array($logicPath, $physicalPath));
+ }
+
+ private function slugifyPath($path, $index=null) {
+ $pathElements = explode('/', $path);
+ $sluggedElements = array();
+
+ // skip slugging the drive letter on windows - TODO: test if local path
+ if (strpos(strtolower(php_uname('s')), 'win') !== false) {
+ $sluggedElements[]= $pathElements[0];
+ array_shift($pathElements);
+ }
+ foreach ($pathElements as $pathElement) {
+ // TODO: remove file ext before slugify on last element
+ $sluggedElements[] = self::slugify($pathElement);
+ }
+
+ //
+ // TODO: add the index before the file extension
+ //
+ if ($index !== null) {
+ $last= end($sluggedElements);
+ array_pop($sluggedElements);
+ array_push($sluggedElements, $last.'-'.$index);
+ }
+ return implode(DIRECTORY_SEPARATOR, $sluggedElements);
+ }
+
+ /**
+ * Modifies a string to remove all non ASCII characters and spaces.
+ *
+ * @param string $text
+ * @return string
+ */
+ private function slugify($text)
+ {
+ // replace non letter or digits by -
+ $text = preg_replace('~[^\\pL\d]+~u', '-', $text);
+
+ // trim
+ $text = trim($text, '-');
+
+ // transliterate
+ if (function_exists('iconv')) {
+ $text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
+ }
+
+ // lowercase
+ $text = strtolower($text);
+
+ // remove unwanted characters
+ $text = preg_replace('~[^-\w]+~', '', $text);
+
+ if (empty($text))
+ {
+ // TODO: we better generate a guid in this case
+ return 'n-a';
+ }
+
+ return $text;
+ }
+}
--- /dev/null
+<?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;
+ private $mapper;
+
+ public function __construct($arguments) {
+ $this->datadir=$arguments['datadir'];
+ if(substr($this->datadir, -1)!=='/') {
+ $this->datadir.='/';
+ }
+
+ $this->mapper= new \OC\Files\Mapper();
+ }
+ public function __destruct() {
+ if (defined('PHPUNIT_RUN')) {
+ $this->mapper->removePath($this->datadir, true, true);
+ }
+ }
+ public function getId(){
+ return 'local::'.$this->datadir;
+ }
+ public function mkdir($path) {
+ return @mkdir($this->buildPath($path));
+ }
+ public function rmdir($path) {
+ if ($result = @rmdir($this->buildPath($path))) {
+ $this->cleanMapper($path);
+ }
+ return $result;
+ }
+ public function opendir($path) {
+ $files = array('.', '..');
+ $physicalPath= $this->buildPath($path);
+
+ $logicalPath = $this->mapper->physicalToLogic($physicalPath);
+ $dh = opendir($physicalPath);
+ while ($file = readdir($dh)) {
+ if ($file === '.' or $file === '..') {
+ continue;
+ }
+
+ $logicalFilePath = $this->mapper->physicalToLogic($physicalPath.DIRECTORY_SEPARATOR.$file);
+
+ $file= $this->mapper->stripRootFolder($logicalFilePath, $logicalPath);
+ $file = $this->stripLeading($file);
+ $files[]= $file;
+ }
+
+ \OC\Files\Stream\Dir::register('local-win32'.$path, $files);
+ return opendir('fakedir://local-win32'.$path);
+ }
+ public function is_dir($path) {
+ if(substr($path,-1)=='/') {
+ $path=substr($path, 0, -1);
+ }
+ return is_dir($this->buildPath($path));
+ }
+ public function is_file($path) {
+ return is_file($this->buildPath($path));
+ }
+ public function stat($path) {
+ $fullPath = $this->buildPath($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->buildPath($path));
+ if($filetype=='link') {
+ $filetype=filetype(realpath($this->buildPath($path)));
+ }
+ return $filetype;
+ }
+ public function filesize($path) {
+ if($this->is_dir($path)) {
+ return 0;
+ }else{
+ $fullPath = $this->buildPath($path);
+ $fileSize = filesize($fullPath);
+ if ($fileSize < 0) {
+ return self::getFileSizeFromOS($fullPath);
+ }
+
+ return $fileSize;
+ }
+ }
+ public function isReadable($path) {
+ return is_readable($this->buildPath($path));
+ }
+ public function isUpdatable($path) {
+ return is_writable($this->buildPath($path));
+ }
+ public function file_exists($path) {
+ return file_exists($this->buildPath($path));
+ }
+ public function filemtime($path) {
+ return filemtime($this->buildPath($path));
+ }
+ public function touch($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( $this->buildPath($path), $mtime );
+ }else{
+ $result=touch( $this->buildPath($path));
+ }
+ if( $result ) {
+ clearstatcache( true, $this->buildPath($path) );
+ }
+
+ return $result;
+ }
+ public function file_get_contents($path) {
+ return file_get_contents($this->buildPath($path));
+ }
+ public function file_put_contents($path, $data) {//trigger_error("$path = ".var_export($path, 1));
+ return file_put_contents($this->buildPath($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;
+ }
+
+ $physicPath1 = $this->buildPath($path1);
+ $physicPath2 = $this->buildPath($path2);
+ if($return=rename($physicPath1, $physicPath2)) {
+ // mapper needs to create copies or all children
+ $this->copyMapping($path1, $path2);
+ $this->cleanMapper($physicPath1, false, true);
+ }
+ 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->buildPath($path1), $this->buildPath($path2))) {
+ // mapper needs to create copies or all children
+ $this->copyMapping($path1, $path2);
+ }
+ return $return;
+ }
+ public function fopen($path, $mode) {
+ if($return=fopen($this->buildPath($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($this->buildPath($path));
+ }else{
+ return false;
+ }
+ }
+
+ private function delTree($dir, $isLogicPath=true) {
+ $dirRelative=$dir;
+ if ($isLogicPath) {
+ $dir=$this->buildPath($dir);
+ }
+ if (!file_exists($dir)) {
+ return true;
+ }
+ if (!is_dir($dir) || is_link($dir)) {
+ if($return=unlink($dir)) {
+ $this->cleanMapper($dir, false);
+ return $return;
+ }
+ }
+ foreach (scandir($dir) as $item) {
+ if ($item == '.' || $item == '..') {
+ continue;
+ }
+ if(is_file($dir.'/'.$item)) {
+ if(unlink($dir.'/'.$item)) {
+ $this->cleanMapper($dir.'/'.$item, false);
+ }
+ }elseif(is_dir($dir.'/'.$item)) {
+ if (!$this->delTree($dir. "/" . $item, false)) {
+ return false;
+ };
+ }
+ }
+ if($return=rmdir($dir)) {
+ $this->cleanMapper($dir, false);
+ }
+ 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, $this->buildPath($path), $raw);
+ }
+
+ public function free_space($path) {
+ return @disk_free_space($this->buildPath($path));
+ }
+
+ public function search($query) {
+ return $this->searchInDir($query);
+ }
+ public function getLocalFile($path) {
+ return $this->buildPath($path);
+ }
+ public function getLocalFolder($path) {
+ return $this->buildPath($path);
+ }
+
+ protected function searchInDir($query, $dir='', $isLogicPath=true) {
+ $files=array();
+ $physicalDir = $this->buildPath($dir);
+ foreach (scandir($physicalDir) as $item) {
+ if ($item == '.' || $item == '..')
+ continue;
+ $physicalItem = $this->mapper->physicalToLogic($physicalDir.DIRECTORY_SEPARATOR.$item);
+ $item = substr($physicalItem, strlen($physicalDir)+1);
+
+ if(strstr(strtolower($item), strtolower($query)) !== false) {
+ $files[]=$dir.'/'.$item;
+ }
+ if(is_dir($physicalItem)) {
+ $files=array_merge($files, $this->searchInDir($query, $physicalItem, false));
+ }
+ }
+ 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)>$time;
+ }
+
+ private function buildPath($path, $create=true) {
+ $path = $this->stripLeading($path);
+ $fullPath = $this->datadir.$path;
+ return $this->mapper->logicToPhysical($fullPath, $create);
+ }
+
+ private function cleanMapper($path, $isLogicPath=true, $recursive=true) {
+ $fullPath = $path;
+ if ($isLogicPath) {
+ $fullPath = $this->datadir.$path;
+ }
+ $this->mapper->removePath($fullPath, $isLogicPath, $recursive);
+ }
+
+ private function copyMapping($path1, $path2) {
+ $path1 = $this->stripLeading($path1);
+ $path2 = $this->stripLeading($path2);
+
+ $fullPath1 = $this->datadir.$path1;
+ $fullPath2 = $this->datadir.$path2;
+
+ $this->mapper->copy($fullPath1, $fullPath2);
+ }
+
+ private function stripLeading($path) {
+ if(strpos($path, '/') === 0) {
+ $path = substr($path, 1);
+ }
+
+ return $path;
+ }
+}
projects / nextcloud-server.git / commitdiff