Merge pull request #16963 from owncloud/fileinfo-lock
Acquire read lock when getting file or directory info
This commit is contained in:
commit
6697f9524c
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@ -30,6 +30,7 @@ namespace OC\Connector\Sabre;
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use OC\Connector\Sabre\Exception\InvalidPath;
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use OC\Connector\Sabre\Exception\FileLocked;
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use OCP\Lock\LockedException;
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use Sabre\DAV\Exception\Locked;
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class Directory extends \OC\Connector\Sabre\Node
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implements \Sabre\DAV\ICollection, \Sabre\DAV\IQuota {
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@ -191,7 +192,11 @@ class Directory extends \OC\Connector\Sabre\Node
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if (!is_null($this->dirContent)) {
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return $this->dirContent;
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}
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$folderContent = $this->fileView->getDirectoryContent($this->path);
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try {
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$folderContent = $this->fileView->getDirectoryContent($this->path);
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} catch (LockedException $e) {
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throw new Locked();
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}
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$nodes = array();
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foreach ($folderContent as $info) {
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@ -150,6 +150,8 @@ class ObjectTree extends \Sabre\DAV\Tree {
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throw new \Sabre\DAV\Exception\ServiceUnavailable('Storage not available');
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} catch (StorageInvalidException $e) {
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throw new \Sabre\DAV\Exception\NotFound('Storage ' . $path . ' is invalid');
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} catch (LockedException $e) {
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throw new \Sabre\DAV\Exception\Locked();
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}
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}
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@ -988,7 +988,7 @@ class View {
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return false;
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}
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if(in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks)) {
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if (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks)) {
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// always a shared lock during pre-hooks so the hook can read the file
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$this->lockFile($path, ILockingProvider::LOCK_SHARED);
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}
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@ -1148,6 +1148,7 @@ class View {
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if (Cache\Scanner::isPartialFile($path)) {
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return $this->getPartFileInfo($path);
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}
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$relativePath = $path;
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$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
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$mount = Filesystem::getMountManager()->find($path);
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@ -1157,19 +1158,27 @@ class View {
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if ($storage) {
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$cache = $storage->getCache($internalPath);
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$data = $cache->get($internalPath);
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$watcher = $storage->getWatcher($internalPath);
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// if the file is not in the cache or needs to be updated, trigger the scanner and reload the data
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if (!$data) {
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if (!$storage->file_exists($internalPath)) {
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return false;
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}
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$scanner = $storage->getScanner($internalPath);
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$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
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try {
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$this->lockFile($relativePath, ILockingProvider::LOCK_SHARED);
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$data = $cache->get($internalPath);
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} else if (!Cache\Scanner::isPartialFile($internalPath) && $watcher->checkUpdate($internalPath, $data)) {
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$this->updater->propagate($path);
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$watcher = $storage->getWatcher($internalPath);
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// if the file is not in the cache or needs to be updated, trigger the scanner and reload the data
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if (!$data) {
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if (!$storage->file_exists($internalPath)) {
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$this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
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return false;
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}
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$scanner = $storage->getScanner($internalPath);
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$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
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$data = $cache->get($internalPath);
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} else if (!Cache\Scanner::isPartialFile($internalPath) && $watcher->checkUpdate($internalPath, $data)) {
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$this->updater->propagate($path);
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$data = $cache->get($internalPath);
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}
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$this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
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} catch (LockedException $e) {
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// dont try to update the cache when the file is locked
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$data = $cache->get($internalPath);
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}
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@ -1231,26 +1240,38 @@ class View {
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$cache = $storage->getCache($internalPath);
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$user = \OC_User::getUser();
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$data = $cache->get($internalPath);
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$watcher = $storage->getWatcher($internalPath);
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if (!$data or $data['size'] === -1) {
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if (!$storage->file_exists($internalPath)) {
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return array();
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}
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$scanner = $storage->getScanner($internalPath);
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$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
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$data = $cache->get($internalPath);
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} else if ($watcher->checkUpdate($internalPath, $data)) {
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$this->updater->propagate($path);
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$data = $cache->get($internalPath);
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}
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$folderId = $data['fileid'];
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/**
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* @var \OC\Files\FileInfo[] $files
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*/
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$files = array();
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$contents = $cache->getFolderContentsById($folderId); //TODO: mimetype_filter
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try {
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$this->lockFile($directory, ILockingProvider::LOCK_SHARED);
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$data = $cache->get($internalPath);
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$watcher = $storage->getWatcher($internalPath);
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if (!$data or $data['size'] === -1) {
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if (!$storage->file_exists($internalPath)) {
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$this->unlockFile($directory, ILockingProvider::LOCK_SHARED);
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return array();
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}
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$scanner = $storage->getScanner($internalPath);
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$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
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$data = $cache->get($internalPath);
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} else if ($watcher->checkUpdate($internalPath, $data)) {
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$this->updater->propagate($path);
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$data = $cache->get($internalPath);
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}
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$folderId = $data['fileid'];
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$contents = $cache->getFolderContentsById($folderId); //TODO: mimetype_filter
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$this->unlockFile($directory, ILockingProvider::LOCK_SHARED);
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} catch (LockedException $e) {
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// dont try to update the cache when the file is locked
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$contents = $cache->getFolderContents($internalPath);
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}
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foreach ($contents as $content) {
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if ($content['permissions'] === 0) {
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$content['permissions'] = $storage->getPermissions($content['path']);
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