Revert "add dav plugin to trigger recalculating of checksums"

7 files changed, 6 insertions, 102 deletions

diff --git a/apps/dav/composer/composer/autoload_classmap.php b/apps/dav/composer/composer/autoload_classmap.php
index 22f828c8d77..fa83c05578d 100644
--- a/apps/dav/composer/composer/autoload_classmap.php
+++ b/apps/dav/composer/composer/autoload_classmap.php
@@ -145,7 +145,6 @@ return array(
     'OCA\\DAV\\Connector\\Sabre\\BlockLegacyClientPlugin' => $baseDir . '/../lib/Connector/Sabre/BlockLegacyClientPlugin.php',
     'OCA\\DAV\\Connector\\Sabre\\CachingTree' => $baseDir . '/../lib/Connector/Sabre/CachingTree.php',
     'OCA\\DAV\\Connector\\Sabre\\ChecksumList' => $baseDir . '/../lib/Connector/Sabre/ChecksumList.php',
-    'OCA\\DAV\\Connector\\Sabre\\ChecksumUpdatePlugin' => $baseDir . '/../lib/Connector/Sabre/ChecksumUpdatePlugin.php',
     'OCA\\DAV\\Connector\\Sabre\\CommentPropertiesPlugin' => $baseDir . '/../lib/Connector/Sabre/CommentPropertiesPlugin.php',
     'OCA\\DAV\\Connector\\Sabre\\CopyEtagHeaderPlugin' => $baseDir . '/../lib/Connector/Sabre/CopyEtagHeaderPlugin.php',
     'OCA\\DAV\\Connector\\Sabre\\DavAclPlugin' => $baseDir . '/../lib/Connector/Sabre/DavAclPlugin.php',
diff --git a/apps/dav/composer/composer/autoload_static.php b/apps/dav/composer/composer/autoload_static.php
index 908bb3bc2a0..8f8ca0da10b 100644
--- a/apps/dav/composer/composer/autoload_static.php
+++ b/apps/dav/composer/composer/autoload_static.php
@@ -160,7 +160,6 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\Connector\\Sabre\\BlockLegacyClientPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/BlockLegacyClientPlugin.php',
         'OCA\\DAV\\Connector\\Sabre\\CachingTree' => __DIR__ . '/..' . '/../lib/Connector/Sabre/CachingTree.php',
         'OCA\\DAV\\Connector\\Sabre\\ChecksumList' => __DIR__ . '/..' . '/../lib/Connector/Sabre/ChecksumList.php',
-        'OCA\\DAV\\Connector\\Sabre\\ChecksumUpdatePlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/ChecksumUpdatePlugin.php',
         'OCA\\DAV\\Connector\\Sabre\\CommentPropertiesPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/CommentPropertiesPlugin.php',
         'OCA\\DAV\\Connector\\Sabre\\CopyEtagHeaderPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/CopyEtagHeaderPlugin.php',
         'OCA\\DAV\\Connector\\Sabre\\DavAclPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/DavAclPlugin.php',
diff --git a/apps/dav/lib/Connector/Sabre/ChecksumUpdatePlugin.php b/apps/dav/lib/Connector/Sabre/ChecksumUpdatePlugin.php
deleted file mode 100644
index 3247259357f..00000000000
--- a/apps/dav/lib/Connector/Sabre/ChecksumUpdatePlugin.php
+++ /dev/null
@@ -1,83 +0,0 @@
-<?php
-
-declare(strict_types=1);
-/**
- * @copyright Copyright (c) 2021 Robin Appelman <robin@icewind.nl>
- *
- * @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 OCA\DAV\Connector\Sabre;
-
-use Sabre\DAV\ServerPlugin;
-use Sabre\HTTP\RequestInterface;
-use Sabre\HTTP\ResponseInterface;
-
-class ChecksumUpdatePlugin extends ServerPlugin {
-	/**
-	 * @var \Sabre\DAV\Server
-	 */
-	protected $server;
-
-	public function initialize(\Sabre\DAV\Server $server) {
-		$this->server = $server;
-		$server->on('method:PATCH', [$this, 'httpPatch']);
-	}
-
-	public function getPluginName(): string {
-		return 'checksumupdate';
-	}
-
-	public function getHTTPMethods($path): array {
-		$tree = $this->server->tree;
-
-		if ($tree->nodeExists($path)) {
-			$node = $tree->getNodeForPath($path);
-			if ($node instanceof File) {
-				return ['PATCH'];
-			}
-		}
-
-		return [];
-	}
-
-	public function getFeatures(): array {
-		return ['nextcloud-checksum-update'];
-	}
-
-	public function httpPatch(RequestInterface $request, ResponseInterface $response) {
-		$path = $request->getPath();
-
-		$node = $this->server->tree->getNodeForPath($path);
-		if ($node instanceof File) {
-			$type = strtolower(
-				(string)$request->getHeader('X-Recalculate-Hash')
-			);
-
-			$hash = $node->hash($type);
-			if ($hash) {
-				$checksum = strtoupper($type) . ':' . $hash;
-				$node->setChecksum($checksum);
-				$response->addHeader('OC-Checksum', $checksum);
-				$response->setHeader('Content-Length', '0');
-				$response->setStatus(204);
-
-				return false;
-			}
-		}
-	}
-}
diff --git a/apps/dav/lib/Connector/Sabre/File.php b/apps/dav/lib/Connector/Sabre/File.php
index 6bb30591d95..5ff5f831eb5 100644
--- a/apps/dav/lib/Connector/Sabre/File.php
+++ b/apps/dav/lib/Connector/Sabre/File.php
@@ -343,9 +343,11 @@ class File extends Node implements IFile {
 
 			if (isset($this->request->server['HTTP_OC_CHECKSUM'])) {
 				$checksum = trim($this->request->server['HTTP_OC_CHECKSUM']);
-				$this->setChecksum($checksum);
+				$this->fileView->putFileInfo($this->path, ['checksum' => $checksum]);
+				$this->refreshInfo();
 			} elseif ($this->getChecksum() !== null && $this->getChecksum() !== '') {
-				$this->setChecksum('');
+				$this->fileView->putFileInfo($this->path, ['checksum' => '']);
+				$this->refreshInfo();
 			}
 		} catch (StorageNotAvailableException $e) {
 			throw new ServiceUnavailable("Failed to check file size: " . $e->getMessage(), 0, $e);
@@ -686,18 +688,9 @@ class File extends Node implements IFile {
 		return $this->info->getChecksum();
 	}
 
-	public function setChecksum(string $checksum) {
-		$this->fileView->putFileInfo($this->path, ['checksum' => $checksum]);
-		$this->refreshInfo();
-	}
-
 	protected function header($string) {
 		if (!\OC::$CLI) {
 			\header($string);
 		}
 	}
-
-	public function hash(string $type) {
-		return $this->fileView->hash($type, $this->path);
-	}
 }
diff --git a/apps/dav/lib/Connector/Sabre/ServerFactory.php b/apps/dav/lib/Connector/Sabre/ServerFactory.php
index e74fbbf47cf..7be24014881 100644
--- a/apps/dav/lib/Connector/Sabre/ServerFactory.php
+++ b/apps/dav/lib/Connector/Sabre/ServerFactory.php
@@ -177,7 +177,6 @@ class ServerFactory {
 				)
 			);
 			$server->addPlugin(new \OCA\DAV\Connector\Sabre\QuotaPlugin($view, true));
-			$server->addPlugin(new \OCA\DAV\Connector\Sabre\ChecksumUpdatePlugin());
 
 			if ($this->userSession->isLoggedIn()) {
 				$server->addPlugin(new \OCA\DAV\Connector\Sabre\TagsPlugin($objectTree, $this->tagManager));
diff --git a/apps/dav/lib/Server.php b/apps/dav/lib/Server.php
index db98abca082..055c37f8472 100644
--- a/apps/dav/lib/Server.php
+++ b/apps/dav/lib/Server.php
@@ -47,7 +47,6 @@ use OCA\DAV\Connector\Sabre\Auth;
 use OCA\DAV\Connector\Sabre\BearerAuth;
 use OCA\DAV\Connector\Sabre\BlockLegacyClientPlugin;
 use OCA\DAV\Connector\Sabre\CachingTree;
-use OCA\DAV\Connector\Sabre\ChecksumUpdatePlugin;
 use OCA\DAV\Connector\Sabre\CommentPropertiesPlugin;
 use OCA\DAV\Connector\Sabre\CopyEtagHeaderPlugin;
 use OCA\DAV\Connector\Sabre\DavAclPlugin;
@@ -246,7 +245,6 @@ class Server {
 						!\OC::$server->getConfig()->getSystemValue('debug', false)
 					)
 				);
-				$this->server->addPlugin(new ChecksumUpdatePlugin());
 
 				$this->server->addPlugin(
 					new \Sabre\DAV\PropertyStorage\Plugin(
diff --git a/lib/private/Files/View.php b/lib/private/Files/View.php
index cafa6952a62..113290e2686 100644
--- a/lib/private/Files/View.php
+++ b/lib/private/Files/View.php
@@ -1082,7 +1082,7 @@ class View {
 	 * @param string $type
 	 * @param string $path
 	 * @param bool $raw
-	 * @return bool|string
+	 * @return bool|null|string
 	 */
 	public function hash($type, $path, $raw = false) {
 		$postFix = (substr($path, -1) === '/') ? '/' : '';
@@ -1099,13 +1099,12 @@ class View {
 					[Filesystem::signal_param_path => $this->getHookPath($path)]
 				);
 			}
-			/** @var Storage|null $storage */
 			[$storage, $internalPath] = Filesystem::resolvePath($absolutePath . $postFix);
 			if ($storage) {
 				return $storage->hash($type, $internalPath, $raw);
 			}
 		}
-		return false;
+		return null;
 	}
 
 	/**