diff options
Diffstat (limited to 'lib/private/files/storage')
-rw-r--r-- | lib/private/files/storage/common.php | 374 | ||||
-rw-r--r-- | lib/private/files/storage/commontest.php | 80 | ||||
-rw-r--r-- | lib/private/files/storage/loader.php | 38 | ||||
-rw-r--r-- | lib/private/files/storage/local.php | 310 | ||||
-rw-r--r-- | lib/private/files/storage/mappedlocal.php | 365 | ||||
-rw-r--r-- | lib/private/files/storage/storage.php | 343 | ||||
-rw-r--r-- | lib/private/files/storage/temporary.php | 27 | ||||
-rw-r--r-- | lib/private/files/storage/wrapper/quota.php | 104 | ||||
-rw-r--r-- | lib/private/files/storage/wrapper/wrapper.php | 427 |
9 files changed, 2068 insertions, 0 deletions
diff --git a/lib/private/files/storage/common.php b/lib/private/files/storage/common.php new file mode 100644 index 00000000000..a5b79f0e967 --- /dev/null +++ b/lib/private/files/storage/common.php @@ -0,0 +1,374 @@ +<?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; + +/** + * Storage backend class for providing common filesystem operation methods + * which are not storage-backend specific. + * + * \OC\Files\Storage\Common is never used directly; it is extended by all other + * storage backends, where its methods may be overridden, and additional + * (backend-specific) methods are defined. + * + * Some \OC\Files\Storage\Common methods call functions which are first defined + * in classes which extend it, e.g. $this->stat() . + */ + +abstract class Common implements \OC\Files\Storage\Storage { + private $cache; + private $scanner; + private $permissioncache; + private $watcher; + private $storageCache; + + public function __construct($parameters) { + } + + public function is_dir($path) { + return $this->filetype($path) == 'dir'; + } + + public function is_file($path) { + return $this->filetype($path) == 'file'; + } + + public function filesize($path) { + if ($this->is_dir($path)) { + return 0; //by definition + } else { + $stat = $this->stat($path); + if (isset($stat['size'])) { + return $stat['size']; + } else { + return 0; + } + } + } + + public function isCreatable($path) { + if ($this->is_dir($path) && $this->isUpdatable($path)) { + return true; + } + return false; + } + + public function isDeletable($path) { + return $this->isUpdatable($path); + } + + public function isSharable($path) { + return $this->isReadable($path); + } + + public function getPermissions($path) { + $permissions = 0; + if ($this->isCreatable($path)) { + $permissions |= \OCP\PERMISSION_CREATE; + } + if ($this->isReadable($path)) { + $permissions |= \OCP\PERMISSION_READ; + } + if ($this->isUpdatable($path)) { + $permissions |= \OCP\PERMISSION_UPDATE; + } + if ($this->isDeletable($path)) { + $permissions |= \OCP\PERMISSION_DELETE; + } + if ($this->isSharable($path)) { + $permissions |= \OCP\PERMISSION_SHARE; + } + return $permissions; + } + + public function filemtime($path) { + $stat = $this->stat($path); + if (isset($stat['mtime'])) { + return $stat['mtime']; + } else { + return 0; + } + } + + public function file_get_contents($path) { + $handle = $this->fopen($path, "r"); + if (!$handle) { + return false; + } + $size = $this->filesize($path); + if ($size == 0) { + return ''; + } + return fread($handle, $size); + } + + public function file_put_contents($path, $data) { + $handle = $this->fopen($path, "w"); + return fwrite($handle, $data); + } + + public function rename($path1, $path2) { + if ($this->copy($path1, $path2)) { + return $this->unlink($path1); + } else { + return false; + } + } + + public function copy($path1, $path2) { + $source = $this->fopen($path1, 'r'); + $target = $this->fopen($path2, 'w'); + list($count, $result) = \OC_Helper::streamCopy($source, $target); + return $result; + } + + /** + * @brief Deletes all files and folders recursively within a directory + * @param string $directory The directory whose contents will be deleted + * @param bool $empty Flag indicating whether directory will be emptied + * @returns bool + * + * @note By default the directory specified by $directory will be + * deleted together with its contents. To avoid this set $empty to true + */ + public function deleteAll($directory, $empty = false) { + $directory = trim($directory, '/'); + if (!$this->is_dir($directory) || !$this->isReadable($directory)) { + return false; + } else { + $directoryHandle = $this->opendir($directory); + if(is_resource($directoryHandle)) { + while (($contents = readdir($directoryHandle)) !== false) { + if (!\OC\Files\Filesystem::isIgnoredDir($contents)) { + $path = $directory . '/' . $contents; + if ($this->is_dir($path)) { + $this->deleteAll($path); + } else { + $this->unlink($path); + } + } + } + } + if ($empty === false) { + if (!$this->rmdir($directory)) { + return false; + } + } + return true; + } + + } + + public function getMimeType($path) { + if (!$this->file_exists($path)) { + return false; + } + if ($this->is_dir($path)) { + return 'httpd/unix-directory'; + } + $source = $this->fopen($path, 'r'); + if (!$source) { + return false; + } + $head = fread($source, 8192); //8kb should suffice to determine a mimetype + if ($pos = strrpos($path, '.')) { + $extension = substr($path, $pos); + } else { + $extension = ''; + } + $tmpFile = \OC_Helper::tmpFile($extension); + file_put_contents($tmpFile, $head); + $mime = \OC_Helper::getMimeType($tmpFile); + unlink($tmpFile); + return $mime; + } + + public function hash($type, $path, $raw = false) { + $tmpFile = $this->getLocalFile($path); + $hash = hash($type, $tmpFile, $raw); + unlink($tmpFile); + return $hash; + } + + public function search($query) { + return $this->searchInDir($query); + } + + public function getLocalFile($path) { + return $this->toTmpFile($path); + } + + private function toTmpFile($path) { //no longer in the storage api, still useful here + $source = $this->fopen($path, 'r'); + if (!$source) { + return false; + } + if ($pos = strrpos($path, '.')) { + $extension = substr($path, $pos); + } else { + $extension = ''; + } + $tmpFile = \OC_Helper::tmpFile($extension); + $target = fopen($tmpFile, 'w'); + \OC_Helper::streamCopy($source, $target); + return $tmpFile; + } + + public function getLocalFolder($path) { + $baseDir = \OC_Helper::tmpFolder(); + $this->addLocalFolder($path, $baseDir); + return $baseDir; + } + + private function addLocalFolder($path, $target) { + $dh = $this->opendir($path); + if(is_resource($dh)) { + while (($file = readdir($dh)) !== false) { + if ($file !== '.' and $file !== '..') { + if ($this->is_dir($path . '/' . $file)) { + mkdir($target . '/' . $file); + $this->addLocalFolder($path . '/' . $file, $target . '/' . $file); + } else { + $tmp = $this->toTmpFile($path . '/' . $file); + rename($tmp, $target . '/' . $file); + } + } + } + } + } + + protected function searchInDir($query, $dir = '') { + $files = array(); + $dh = $this->opendir($dir); + if (is_resource($dh)) { + while (($item = readdir($dh)) !== false) { + if ($item == '.' || $item == '..') continue; + if (strstr(strtolower($item), strtolower($query)) !== false) { + $files[] = $dir . '/' . $item; + } + if ($this->is_dir($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) > $time; + } + + public function getCache($path = '') { + if (!isset($this->cache)) { + $this->cache = new \OC\Files\Cache\Cache($this); + } + return $this->cache; + } + + public function getScanner($path = '') { + if (!isset($this->scanner)) { + $this->scanner = new \OC\Files\Cache\Scanner($this); + } + return $this->scanner; + } + + public function getPermissionsCache($path = '') { + if (!isset($this->permissioncache)) { + $this->permissioncache = new \OC\Files\Cache\Permissions($this); + } + return $this->permissioncache; + } + + public function getWatcher($path = '') { + if (!isset($this->watcher)) { + $this->watcher = new \OC\Files\Cache\Watcher($this); + } + return $this->watcher; + } + + public function getStorageCache(){ + if (!isset($this->storageCache)) { + $this->storageCache = new \OC\Files\Cache\Storage($this); + } + return $this->storageCache; + } + + /** + * get the owner of a path + * + * @param string $path The path to get the owner + * @return string uid or false + */ + public function getOwner($path) { + return \OC_User::getUser(); + } + + /** + * get the ETag for a file or folder + * + * @param string $path + * @return string + */ + public function getETag($path) { + $ETagFunction = \OC_Connector_Sabre_Node::$ETagFunction; + if ($ETagFunction) { + $hash = call_user_func($ETagFunction, $path); + return $hash; + } else { + return uniqid(); + } + } + + /** + * clean a path, i.e. remove all redundant '.' and '..' + * making sure that it can't point to higher than '/' + * + * @param $path The path to clean + * @return string cleaned path + */ + public function cleanPath($path) { + if (strlen($path) == 0 or $path[0] != '/') { + $path = '/' . $path; + } + + $output = array(); + foreach (explode('/', $path) as $chunk) { + if ($chunk == '..') { + array_pop($output); + } else if ($chunk == '.') { + } else { + $output[] = $chunk; + } + } + return implode('/', $output); + } + + public function test() { + if ($this->stat('')) { + return true; + } + return false; + } + + /** + * get the free space in the storage + * + * @param $path + * @return int + */ + public function free_space($path) { + return \OC\Files\SPACE_UNKNOWN; + } +} diff --git a/lib/private/files/storage/commontest.php b/lib/private/files/storage/commontest.php new file mode 100644 index 00000000000..c3f1eb31955 --- /dev/null +++ b/lib/private/files/storage/commontest.php @@ -0,0 +1,80 @@ +<?php + +/** +* ownCloud +* +* @author Robin Appelman +* @copyright 2012 Robin Appelman icewind@owncloud.com +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE +* License as published by the Free Software Foundation; either +* version 3 of the License, or any later version. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU AFFERO GENERAL PUBLIC LICENSE for more details. +* +* You should have received a copy of the GNU Affero General Public +* License along with this library. If not, see <http://www.gnu.org/licenses/>. +* +*/ + +/** + * test implementation for \OC\Files\Storage\Common with \OC\Files\Storage\Local + */ + +namespace OC\Files\Storage; + +class CommonTest extends \OC\Files\Storage\Common{ + /** + * underlying local storage used for missing functions + * @var \OC\Files\Storage\Local + */ + private $storage; + + public function __construct($params) { + $this->storage=new \OC\Files\Storage\Local($params); + } + + public function getId(){ + return 'test::'.$this->storage->getId(); + } + public function mkdir($path) { + return $this->storage->mkdir($path); + } + public function rmdir($path) { + return $this->storage->rmdir($path); + } + public function opendir($path) { + return $this->storage->opendir($path); + } + public function stat($path) { + return $this->storage->stat($path); + } + public function filetype($path) { + return $this->storage->filetype($path); + } + public function isReadable($path) { + return $this->storage->isReadable($path); + } + public function isUpdatable($path) { + return $this->storage->isUpdatable($path); + } + public function file_exists($path) { + return $this->storage->file_exists($path); + } + public function unlink($path) { + return $this->storage->unlink($path); + } + public function fopen($path, $mode) { + return $this->storage->fopen($path, $mode); + } + public function free_space($path) { + return $this->storage->free_space($path); + } + public function touch($path, $mtime=null) { + return $this->storage->touch($path, $mtime); + } +} diff --git a/lib/private/files/storage/loader.php b/lib/private/files/storage/loader.php new file mode 100644 index 00000000000..2572ef443bc --- /dev/null +++ b/lib/private/files/storage/loader.php @@ -0,0 +1,38 @@ +<?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; + +class Loader { + /** + * @var callable[] $storageWrappers + */ + private $storageWrappers = array(); + + /** + * allow modifier storage behaviour by adding wrappers around storages + * + * $callback should be a function of type (string $mountPoint, Storage $storage) => Storage + * + * @param callable $callback + */ + public function addStorageWrapper($callback) { + $this->storageWrappers[] = $callback; + } + + public function load($mountPoint, $class, $arguments) { + return $this->wrap($mountPoint, new $class($arguments)); + } + + public function wrap($mountPoint, $storage) { + foreach ($this->storageWrappers as $wrapper) { + $storage = $wrapper($mountPoint, $storage); + } + return $storage; + } +} diff --git a/lib/private/files/storage/local.php b/lib/private/files/storage/local.php new file mode 100644 index 00000000000..5209fabc30a --- /dev/null +++ b/lib/private/files/storage/local.php @@ -0,0 +1,310 @@ +<?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; + +if (\OC_Util::runningOnWindows()) { + class Local extends MappedLocal { + + } +} else { + + /** + * 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 __destruct() { + } + + public function getId() { + return 'local::' . $this->datadir; + } + + public function mkdir($path) { + return @mkdir($this->datadir . $path); + } + + public function rmdir($path) { + try { + $it = new \RecursiveIteratorIterator( + new \RecursiveDirectoryIterator($this->datadir . $path), + \RecursiveIteratorIterator::CHILD_FIRST + ); + foreach ($it as $file) { + /** + * @var \SplFileInfo $file + */ + if (in_array($file->getBasename(), array('.', '..'))) { + continue; + } elseif ($file->isDir()) { + rmdir($file->getPathname()); + } elseif ($file->isFile() || $file->isLink()) { + unlink($file->getPathname()); + } + } + return rmdir($this->datadir . $path); + } catch (\UnexpectedValueException $e) { + return false; + } + } + + public function opendir($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, $mtime = null) { + // sets the modification time of the file to the given value. + // If mtime is nil the current time is set. + // note that the access time of the file always changes to the current time. + if ($this->file_exists($path) and !$this->isUpdatable($path)) { + return false; + } + if (!is_null($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) { + $space = @disk_free_space($this->datadir . $path); + if ($space === false) { + return \OC\Files\SPACE_UNKNOWN; + } + return $space; + } + + public function search($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; + } + } +} diff --git a/lib/private/files/storage/mappedlocal.php b/lib/private/files/storage/mappedlocal.php new file mode 100644 index 00000000000..ba5ac4191c5 --- /dev/null +++ b/lib/private/files/storage/mappedlocal.php @@ -0,0 +1,365 @@ +<?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 MappedLocal extends \OC\Files\Storage\Common{ + protected $datadir; + private $mapper; + + public function __construct($arguments) { + $this->datadir=$arguments['datadir']; + if(substr($this->datadir, -1)!=='/') { + $this->datadir.='/'; + } + + $this->mapper= new \OC\Files\Mapper($this->datadir); + } + 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) { + try { + $it = new \RecursiveIteratorIterator( + new \RecursiveDirectoryIterator($this->buildPath($path)), + \RecursiveIteratorIterator::CHILD_FIRST + ); + foreach ($it as $file) { + /** + * @var \SplFileInfo $file + */ + if (in_array($file->getBasename(), array('.', '..'))) { + continue; + } elseif ($file->isDir()) { + rmdir($file->getPathname()); + } elseif ($file->isFile() || $file->isLink()) { + unlink($file->getPathname()); + } + } + if ($result = @rmdir($this->buildPath($path))) { + $this->cleanMapper($path); + } + return $result; + } catch (\UnexpectedValueException $e) { + return false; + } + } + public function opendir($path) { + $files = array('.', '..'); + $physicalPath= $this->buildPath($path); + + $logicalPath = $this->mapper->physicalToLogic($physicalPath); + $dh = opendir($physicalPath); + if(is_resource($dh)) { + while (($file = readdir($dh)) !== false) { + if ($file === '.' or $file === '..') { + continue; + } + + $logicalFilePath = $this->mapper->physicalToLogic($physicalPath.'/'.$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, $data) { + return file_put_contents($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='') { + $files=array(); + $physicalDir = $this->buildPath($dir); + foreach (scandir($physicalDir) as $item) { + if ($item == '.' || $item == '..') + continue; + $physicalItem = $this->mapper->physicalToLogic($physicalDir.'/'.$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, $dir.'/'.$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)>$time; + } + + private function buildPath($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); + } + if(strpos($path, '\\') === 0) { + $path = substr($path, 1); + } + if ($path === false) { + return ''; + } + + return $path; + } +} diff --git a/lib/private/files/storage/storage.php b/lib/private/files/storage/storage.php new file mode 100644 index 00000000000..b673bb9a32d --- /dev/null +++ b/lib/private/files/storage/storage.php @@ -0,0 +1,343 @@ +<?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; + +/** + * Provide a common interface to all different storage options + * + * All paths passed to the storage are relative to the storage and should NOT have a leading slash. + */ +interface Storage extends \OCP\Files\Storage { + /** + * $parameters is a free form array with the configuration options needed to construct the storage + * + * @param array $parameters + */ + public function __construct($parameters); + + /** + * Get the identifier for the storage, + * the returned id should be the same for every storage object that is created with the same parameters + * and two storage objects with the same id should refer to two storages that display the same files. + * + * @return string + */ + public function getId(); + + /** + * see http://php.net/manual/en/function.mkdir.php + * + * @param string $path + * @return bool + */ + public function mkdir($path); + + /** + * see http://php.net/manual/en/function.rmdir.php + * + * @param string $path + * @return bool + */ + public function rmdir($path); + + /** + * see http://php.net/manual/en/function.opendir.php + * + * @param string $path + * @return resource + */ + public function opendir($path); + + /** + * see http://php.net/manual/en/function.is_dir.php + * + * @param string $path + * @return bool + */ + public function is_dir($path); + + /** + * see http://php.net/manual/en/function.is_file.php + * + * @param string $path + * @return bool + */ + public function is_file($path); + + /** + * see http://php.net/manual/en/function.stat.php + * only the following keys are required in the result: size and mtime + * + * @param string $path + * @return array + */ + public function stat($path); + + /** + * see http://php.net/manual/en/function.filetype.php + * + * @param string $path + * @return bool + */ + public function filetype($path); + + /** + * see http://php.net/manual/en/function.filesize.php + * The result for filesize when called on a folder is required to be 0 + * + * @param string $path + * @return int + */ + public function filesize($path); + + /** + * check if a file can be created in $path + * + * @param string $path + * @return bool + */ + public function isCreatable($path); + + /** + * check if a file can be read + * + * @param string $path + * @return bool + */ + public function isReadable($path); + + /** + * check if a file can be written to + * + * @param string $path + * @return bool + */ + public function isUpdatable($path); + + /** + * check if a file can be deleted + * + * @param string $path + * @return bool + */ + public function isDeletable($path); + + /** + * check if a file can be shared + * + * @param string $path + * @return bool + */ + public function isSharable($path); + + /** + * get the full permissions of a path. + * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php + * + * @param string $path + * @return int + */ + public function getPermissions($path); + + /** + * see http://php.net/manual/en/function.file_exists.php + * + * @param string $path + * @return bool + */ + public function file_exists($path); + + /** + * see http://php.net/manual/en/function.filemtime.php + * + * @param string $path + * @return int + */ + public function filemtime($path); + + /** + * see http://php.net/manual/en/function.file_get_contents.php + * + * @param string $path + * @return string + */ + public function file_get_contents($path); + + /** + * see http://php.net/manual/en/function.file_put_contents.php + * + * @param string $path + * @param string $data + * @return bool + */ + public function file_put_contents($path, $data); + + /** + * see http://php.net/manual/en/function.unlink.php + * + * @param string $path + * @return bool + */ + public function unlink($path); + + /** + * see http://php.net/manual/en/function.rename.php + * + * @param string $path1 + * @param string $path2 + * @return bool + */ + public function rename($path1, $path2); + + /** + * see http://php.net/manual/en/function.copy.php + * + * @param string $path1 + * @param string $path2 + * @return bool + */ + public function copy($path1, $path2); + + /** + * see http://php.net/manual/en/function.fopen.php + * + * @param string $path + * @param string $mode + * @return resource + */ + public function fopen($path, $mode); + + /** + * get the mimetype for a file or folder + * The mimetype for a folder is required to be "httpd/unix-directory" + * + * @param string $path + * @return string + */ + public function getMimeType($path); + + /** + * see http://php.net/manual/en/function.hash.php + * + * @param string $type + * @param string $path + * @param bool $raw + * @return string + */ + public function hash($type, $path, $raw = false); + + /** + * see http://php.net/manual/en/function.free_space.php + * + * @param string $path + * @return int + */ + public function free_space($path); + + /** + * search for occurrences of $query in file names + * + * @param string $query + * @return array + */ + public function search($query); + + /** + * see http://php.net/manual/en/function.touch.php + * If the backend does not support the operation, false should be returned + * + * @param string $path + * @param int $mtime + * @return bool + */ + public function touch($path, $mtime = null); + + /** + * get the path to a local version of the file. + * The local version of the file can be temporary and doesn't have to be persistent across requests + * + * @param string $path + * @return string + */ + public function getLocalFile($path); + + /** + * get the path to a local version of the folder. + * The local version of the folder can be temporary and doesn't have to be persistent across requests + * + * @param string $path + * @return string + */ + public function getLocalFolder($path); + /** + * check if a file or folder has been updated since $time + * + * @param string $path + * @param int $time + * @return bool + * + * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed. + * returning true for other changes in the folder is optional + */ + public function hasUpdated($path, $time); + + /** + * get a cache instance for the storage + * + * @param string $path + * @return \OC\Files\Cache\Cache + */ + public function getCache($path = ''); + + /** + * get a scanner instance for the storage + * + * @param string $path + * @return \OC\Files\Cache\Scanner + */ + public function getScanner($path = ''); + + + /** + * get the user id of the owner of a file or folder + * + * @param string $path + * @return string + */ + public function getOwner($path); + + /** + * get a permissions cache instance for the cache + * + * @param string $path + * @return \OC\Files\Cache\Permissions + */ + public function getPermissionsCache($path = ''); + + /** + * get a watcher instance for the cache + * + * @param string $path + * @return \OC\Files\Cache\Watcher + */ + public function getWatcher($path = ''); + + /** + * @return \OC\Files\Cache\Storage + */ + public function getStorageCache(); + + /** + * get the ETag for a file or folder + * + * @param string $path + * @return string + */ + public function getETag($path); +} diff --git a/lib/private/files/storage/temporary.php b/lib/private/files/storage/temporary.php new file mode 100644 index 00000000000..d84dbda2e39 --- /dev/null +++ b/lib/private/files/storage/temporary.php @@ -0,0 +1,27 @@ +<?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; + +/** + * local storage backend in temporary folder for testing purpose + */ +class Temporary extends Local{ + public function __construct($arguments) { + parent::__construct(array('datadir' => \OC_Helper::tmpFolder())); + } + + public function cleanUp() { + \OC_Helper::rmdirr($this->datadir); + } + + public function __destruct() { + parent::__destruct(); + $this->cleanUp(); + } +} diff --git a/lib/private/files/storage/wrapper/quota.php b/lib/private/files/storage/wrapper/quota.php new file mode 100644 index 00000000000..e2da8cf2e05 --- /dev/null +++ b/lib/private/files/storage/wrapper/quota.php @@ -0,0 +1,104 @@ +<?php +/** + * Copyright (c) 2013 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\Wrapper; + +class Quota extends Wrapper { + + /** + * @var int $quota + */ + protected $quota; + + /** + * @param array $parameters + */ + public function __construct($parameters) { + $this->storage = $parameters['storage']; + $this->quota = $parameters['quota']; + } + + protected function getSize($path) { + $cache = $this->getCache(); + $data = $cache->get($path); + if (is_array($data) and isset($data['size'])) { + return $data['size']; + } else { + return \OC\Files\SPACE_NOT_COMPUTED; + } + } + + /** + * Get free space as limited by the quota + * + * @param string $path + * @return int + */ + public function free_space($path) { + if ($this->quota < 0) { + return $this->storage->free_space($path); + } else { + $used = $this->getSize(''); + if ($used < 0) { + return \OC\Files\SPACE_NOT_COMPUTED; + } else { + $free = $this->storage->free_space($path); + return min($free, (max($this->quota - $used, 0))); + } + } + } + + /** + * see http://php.net/manual/en/function.file_put_contents.php + * + * @param string $path + * @param string $data + * @return bool + */ + public function file_put_contents($path, $data) { + $free = $this->free_space(''); + if ($free < 0 or strlen($data) < $free) { + return $this->storage->file_put_contents($path, $data); + } else { + return false; + } + } + + /** + * see http://php.net/manual/en/function.copy.php + * + * @param string $source + * @param string $target + * @return bool + */ + public function copy($source, $target) { + $free = $this->free_space(''); + if ($free < 0 or $this->getSize($source) < $free) { + return $this->storage->copy($source, $target); + } else { + return false; + } + } + + /** + * see http://php.net/manual/en/function.fopen.php + * + * @param string $path + * @param string $mode + * @return resource + */ + public function fopen($path, $mode) { + $source = $this->storage->fopen($path, $mode); + $free = $this->free_space(''); + if ($free >= 0) { + return \OC\Files\Stream\Quota::wrap($source, $free); + } else { + return $source; + } + } +} diff --git a/lib/private/files/storage/wrapper/wrapper.php b/lib/private/files/storage/wrapper/wrapper.php new file mode 100644 index 00000000000..0336c27efa1 --- /dev/null +++ b/lib/private/files/storage/wrapper/wrapper.php @@ -0,0 +1,427 @@ +<?php +/** + * Copyright (c) 2013 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\Wrapper; + +class Wrapper implements \OC\Files\Storage\Storage { + /** + * @var \OC\Files\Storage\Storage $storage + */ + protected $storage; + + /** + * @param array $parameters + */ + public function __construct($parameters) { + $this->storage = $parameters['storage']; + } + + /** + * @return \OC\Files\Storage\Storage + */ + public function getWrapperStorage() { + return $this->storage; + } + + /** + * Get the identifier for the storage, + * the returned id should be the same for every storage object that is created with the same parameters + * and two storage objects with the same id should refer to two storages that display the same files. + * + * @return string + */ + public function getId() { + return $this->storage->getId(); + } + + /** + * see http://php.net/manual/en/function.mkdir.php + * + * @param string $path + * @return bool + */ + public function mkdir($path) { + return $this->storage->mkdir($path); + } + + /** + * see http://php.net/manual/en/function.rmdir.php + * + * @param string $path + * @return bool + */ + public function rmdir($path) { + return $this->storage->rmdir($path); + } + + /** + * see http://php.net/manual/en/function.opendir.php + * + * @param string $path + * @return resource + */ + public function opendir($path) { + return $this->storage->opendir($path); + } + + /** + * see http://php.net/manual/en/function.is_dir.php + * + * @param string $path + * @return bool + */ + public function is_dir($path) { + return $this->storage->is_dir($path); + } + + /** + * see http://php.net/manual/en/function.is_file.php + * + * @param string $path + * @return bool + */ + public function is_file($path) { + return $this->storage->is_file($path); + } + + /** + * see http://php.net/manual/en/function.stat.php + * only the following keys are required in the result: size and mtime + * + * @param string $path + * @return array + */ + public function stat($path) { + return $this->storage->stat($path); + } + + /** + * see http://php.net/manual/en/function.filetype.php + * + * @param string $path + * @return bool + */ + public function filetype($path) { + return $this->storage->filetype($path); + } + + /** + * see http://php.net/manual/en/function.filesize.php + * The result for filesize when called on a folder is required to be 0 + * + * @param string $path + * @return int + */ + public function filesize($path) { + return $this->storage->filesize($path); + } + + /** + * check if a file can be created in $path + * + * @param string $path + * @return bool + */ + public function isCreatable($path) { + return $this->storage->isCreatable($path); + } + + /** + * check if a file can be read + * + * @param string $path + * @return bool + */ + public function isReadable($path) { + return $this->storage->isReadable($path); + } + + /** + * check if a file can be written to + * + * @param string $path + * @return bool + */ + public function isUpdatable($path) { + return $this->storage->isUpdatable($path); + } + + /** + * check if a file can be deleted + * + * @param string $path + * @return bool + */ + public function isDeletable($path) { + return $this->storage->isDeletable($path); + } + + /** + * check if a file can be shared + * + * @param string $path + * @return bool + */ + public function isSharable($path) { + return $this->storage->isSharable($path); + } + + /** + * get the full permissions of a path. + * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php + * + * @param string $path + * @return int + */ + public function getPermissions($path) { + return $this->storage->getPermissions($path); + } + + /** + * see http://php.net/manual/en/function.file_exists.php + * + * @param string $path + * @return bool + */ + public function file_exists($path) { + return $this->storage->file_exists($path); + } + + /** + * see http://php.net/manual/en/function.filemtime.php + * + * @param string $path + * @return int + */ + public function filemtime($path) { + return $this->storage->filemtime($path); + } + + /** + * see http://php.net/manual/en/function.file_get_contents.php + * + * @param string $path + * @return string + */ + public function file_get_contents($path) { + return $this->storage->file_get_contents($path); + } + + /** + * see http://php.net/manual/en/function.file_put_contents.php + * + * @param string $path + * @param string $data + * @return bool + */ + public function file_put_contents($path, $data) { + return $this->storage->file_put_contents($path, $data); + } + + /** + * see http://php.net/manual/en/function.unlink.php + * + * @param string $path + * @return bool + */ + public function unlink($path) { + return $this->storage->unlink($path); + } + + /** + * see http://php.net/manual/en/function.rename.php + * + * @param string $path1 + * @param string $path2 + * @return bool + */ + public function rename($path1, $path2) { + return $this->storage->rename($path1, $path2); + } + + /** + * see http://php.net/manual/en/function.copy.php + * + * @param string $path1 + * @param string $path2 + * @return bool + */ + public function copy($path1, $path2) { + return $this->storage->copy($path1, $path2); + } + + /** + * see http://php.net/manual/en/function.fopen.php + * + * @param string $path + * @param string $mode + * @return resource + */ + public function fopen($path, $mode) { + return $this->storage->fopen($path, $mode); + } + + /** + * get the mimetype for a file or folder + * The mimetype for a folder is required to be "httpd/unix-directory" + * + * @param string $path + * @return string + */ + public function getMimeType($path) { + return $this->storage->getMimeType($path); + } + + /** + * see http://php.net/manual/en/function.hash.php + * + * @param string $type + * @param string $path + * @param bool $raw + * @return string + */ + public function hash($type, $path, $raw = false) { + return $this->storage->hash($type, $path, $raw); + } + + /** + * see http://php.net/manual/en/function.free_space.php + * + * @param string $path + * @return int + */ + public function free_space($path) { + return $this->storage->free_space($path); + } + + /** + * search for occurrences of $query in file names + * + * @param string $query + * @return array + */ + public function search($query) { + return $this->storage->search($query); + } + + /** + * see http://php.net/manual/en/function.touch.php + * If the backend does not support the operation, false should be returned + * + * @param string $path + * @param int $mtime + * @return bool + */ + public function touch($path, $mtime = null) { + return $this->storage->touch($path, $mtime); + } + + /** + * get the path to a local version of the file. + * The local version of the file can be temporary and doesn't have to be persistent across requests + * + * @param string $path + * @return string + */ + public function getLocalFile($path) { + return $this->storage->getLocalFile($path); + } + + /** + * get the path to a local version of the folder. + * The local version of the folder can be temporary and doesn't have to be persistent across requests + * + * @param string $path + * @return string + */ + public function getLocalFolder($path) { + return $this->storage->getLocalFolder($path); + } + + /** + * check if a file or folder has been updated since $time + * + * @param string $path + * @param int $time + * @return bool + * + * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed. + * returning true for other changes in the folder is optional + */ + public function hasUpdated($path, $time) { + return $this->storage->hasUpdated($path, $time); + } + + /** + * get a cache instance for the storage + * + * @param string $path + * @return \OC\Files\Cache\Cache + */ + public function getCache($path = '') { + return $this->storage->getCache($path); + } + + /** + * get a scanner instance for the storage + * + * @param string $path + * @return \OC\Files\Cache\Scanner + */ + public function getScanner($path = '') { + return $this->storage->getScanner($path); + } + + + /** + * get the user id of the owner of a file or folder + * + * @param string $path + * @return string + */ + public function getOwner($path) { + return $this->storage->getOwner($path); + } + + /** + * get a permissions cache instance for the cache + * + * @param string $path + * @return \OC\Files\Cache\Permissions + */ + public function getPermissionsCache($path = '') { + return $this->storage->getPermissionsCache($path); + } + + /** + * get a watcher instance for the cache + * + * @param string $path + * @return \OC\Files\Cache\Watcher + */ + public function getWatcher($path = '') { + return $this->storage->getWatcher($path); + } + + /** + * @return \OC\Files\Cache\Storage + */ + public function getStorageCache() { + return $this->storage->getStorageCache(); + } + + /** + * get the ETag for a file or folder + * + * @param string $path + * @return string + */ + public function getETag($path) { + return $this->storage->getETag($path); + } +} |