[stable23] Federated share performance improvements

apps/files_sharing/lib/External/Storage.php

@@ -42,11 +42,12 @@
 use OCP\Federation\ICloudId;
 use OCP\Files\NotFoundException;
 use OCP\Files\Storage\IDisableEncryptionStorage;
+use OCP\Files\Storage\IReliableEtagStorage;
 use OCP\Files\StorageInvalidException;
 use OCP\Files\StorageNotAvailableException;
 use OCP\Http\Client\LocalServerException;
 
-class Storage extends DAV implements ISharedStorage, IDisableEncryptionStorage {
+class Storage extends DAV implements ISharedStorage, IDisableEncryptionStorage, IReliableEtagStorage {
 	/** @var ICloudId */
 	private $cloudId;
 	/** @var string */
@@ -372,6 +373,8 @@ public function getPermissions($path) {
 		} elseif (isset($response['{http://open-cloud-mesh.org/ns}share-permissions'])) {
 			// permissions provided by the OCM API
 			$permissions = $this->ocmPermissions2ncPermissions($response['{http://open-collaboration-services.org/ns}share-permissions'], $path);
+		} elseif (isset($response['{http://owncloud.org/ns}permissions'])) {
+			return $this->parsePermissions($response['{http://owncloud.org/ns}permissions']);
 		} else {
 			// use default permission if remote server doesn't provide the share permissions
 			$permissions = $this->getDefaultPermissions($path);
@@ -432,4 +435,8 @@ protected function getDefaultPermissions($path) {
 
 		return $permissions;
 	}
+
+	public function free_space($path) {
+		return parent::free_space("");
+	}
 }

lib/composer/composer/autoload_classmap.php

@@ -322,6 +322,7 @@
     'OCP\\Files\\Storage\\IDisableEncryptionStorage' => $baseDir . '/lib/public/Files/Storage/IDisableEncryptionStorage.php',
     'OCP\\Files\\Storage\\ILockingStorage' => $baseDir . '/lib/public/Files/Storage/ILockingStorage.php',
     'OCP\\Files\\Storage\\INotifyStorage' => $baseDir . '/lib/public/Files/Storage/INotifyStorage.php',
+    'OCP\\Files\\Storage\\IReliableEtagStorage' => $baseDir . '/lib/public/Files/Storage/IReliableEtagStorage.php',
     'OCP\\Files\\Storage\\IStorage' => $baseDir . '/lib/public/Files/Storage/IStorage.php',
     'OCP\\Files\\Storage\\IStorageFactory' => $baseDir . '/lib/public/Files/Storage/IStorageFactory.php',
     'OCP\\Files\\Storage\\IWriteStreamStorage' => $baseDir . '/lib/public/Files/Storage/IWriteStreamStorage.php',

lib/composer/composer/autoload_static.php

@@ -351,6 +351,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\Files\\Storage\\IDisableEncryptionStorage' => __DIR__ . '/../../..' . '/lib/public/Files/Storage/IDisableEncryptionStorage.php',
         'OCP\\Files\\Storage\\ILockingStorage' => __DIR__ . '/../../..' . '/lib/public/Files/Storage/ILockingStorage.php',
         'OCP\\Files\\Storage\\INotifyStorage' => __DIR__ . '/../../..' . '/lib/public/Files/Storage/INotifyStorage.php',
+        'OCP\\Files\\Storage\\IReliableEtagStorage' => __DIR__ . '/../../..' . '/lib/public/Files/Storage/IReliableEtagStorage.php',
         'OCP\\Files\\Storage\\IStorage' => __DIR__ . '/../../..' . '/lib/public/Files/Storage/IStorage.php',
         'OCP\\Files\\Storage\\IStorageFactory' => __DIR__ . '/../../..' . '/lib/public/Files/Storage/IStorageFactory.php',
         'OCP\\Files\\Storage\\IWriteStreamStorage' => __DIR__ . '/../../..' . '/lib/public/Files/Storage/IWriteStreamStorage.php',

lib/private/Files/Cache/Propagator.php

@@ -21,10 +21,12 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>
  *
  */
+
 namespace OC\Files\Cache;
 
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\Files\Cache\IPropagator;
+use OCP\Files\Storage\IReliableEtagStorage;
 use OCP\IDBConnection;
 
 /**
@@ -91,9 +93,11 @@ public function propagateChange($internalPath, $time, $sizeDifference = 0) {
 
 		$builder->update('filecache')
 			->set('mtime', $builder->func()->greatest('mtime', $builder->createNamedParameter((int)$time, IQueryBuilder::PARAM_INT)))
-			->set('etag', $builder->createNamedParameter($etag, IQueryBuilder::PARAM_STR))
 			->where($builder->expr()->eq('storage', $builder->createNamedParameter($storageId, IQueryBuilder::PARAM_INT)))
 			->andWhere($builder->expr()->in('path_hash', $hashParams));
+		if (!$this->storage->instanceOfStorage(IReliableEtagStorage::class)) {
+			$builder->set('etag', $builder->createNamedParameter($etag, IQueryBuilder::PARAM_STR));
+		}
 
 		$builder->execute();
 
@@ -141,7 +145,7 @@ private function addToBatch($internalPath, $time, $sizeDifference) {
 			$this->batch[$internalPath] = [
 				'hash' => md5($internalPath),
 				'time' => $time,
-				'size' => $sizeDifference
+				'size' => $sizeDifference,
 			];
 		} else {
 			$this->batch[$internalPath]['size'] += $sizeDifference;

lib/private/Files/Cache/Scanner.php

@@ -42,6 +42,7 @@
 use OC\Hooks\BasicEmitter;
 use OCP\Files\Cache\IScanner;
 use OCP\Files\ForbiddenException;
+use OCP\Files\Storage\IReliableEtagStorage;
 use OCP\ILogger;
 use OCP\Lock\ILockingProvider;
 
@@ -209,7 +210,7 @@ public function scanFile($file, $reuseExisting = 0, $parentId = -1, $cacheData =
 							if (($reuseExisting & self::REUSE_SIZE) && ($data['size'] === -1)) {
 								$data['size'] = $cacheData['size'];
 							}
-							if ($reuseExisting & self::REUSE_ETAG) {
+							if ($reuseExisting & self::REUSE_ETAG && !$this->storage->instanceOfStorage(IReliableEtagStorage::class)) {
 								$data['etag'] = $etag;
 							}
 						}

lib/private/Files/Storage/DAV.php

@@ -275,6 +275,7 @@ protected function propfind($path) {
 						'{http://open-collaboration-services.org/ns}share-permissions',
 						'{DAV:}resourcetype',
 						'{DAV:}getetag',
+						'{DAV:}quota-available-bytes',
 					]
 				);
 				$this->statCache->set($path, $response);
@@ -428,8 +429,7 @@ public function free_space($path) {
 		$this->init();
 		$path = $this->cleanPath($path);
 		try {
-			// TODO: cacheable ?
-			$response = $this->client->propfind($this->encodePath($path), ['{DAV:}quota-available-bytes']);
+			$response = $this->propfind($path);
 			if ($response === false) {
 				return FileInfo::SPACE_UNKNOWN;
 			}

lib/public/Files/Storage/IReliableEtagStorage.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2022 Robin Appelman <[email protected]>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\Files\Storage;
+
+/**
+ * Marks a storage as providing reliable etags according to expected behavior of etags within nextcloud:
+ *
+ * - Etag are stable as long as no changes are made to the files
+ * - Changes inside a folder cause etag changes of the parent folders
+ *
+ * @since 23.0.4
+ */
+interface IReliableEtagStorage extends IStorage {
+}