1 files changed, 151 insertions, 0 deletions
diff --git a/apps/files_versions/lib/AppInfo/Application.php b/apps/files_versions/lib/AppInfo/Application.php
new file mode 100644
index 00000000000..29158276415
--- /dev/null
+++ b/apps/files_versions/lib/AppInfo/Application.php
@@ -0,0 +1,151 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OCA\Files_Versions\AppInfo;
+
+use OC\KnownUser\KnownUserService;
+use OCA\DAV\CalDAV\Proxy\ProxyMapper;
+use OCA\DAV\Connector\Sabre\Principal;
+use OCA\Files\Event\LoadAdditionalScriptsEvent;
+use OCA\Files\Event\LoadSidebar;
+use OCA\Files_Versions\Capabilities;
+use OCA\Files_Versions\Events\VersionRestoredEvent;
+use OCA\Files_Versions\Listener\FileEventsListener;
+use OCA\Files_Versions\Listener\LegacyRollbackListener;
+use OCA\Files_Versions\Listener\LoadAdditionalListener;
+use OCA\Files_Versions\Listener\LoadSidebarListener;
+use OCA\Files_Versions\Listener\VersionAuthorListener;
+use OCA\Files_Versions\Listener\VersionStorageMoveListener;
+use OCA\Files_Versions\Versions\IVersionManager;
+use OCA\Files_Versions\Versions\VersionManager;
+use OCP\Accounts\IAccountManager;
+use OCP\App\IAppManager;
+use OCP\AppFramework\App;
+use OCP\AppFramework\Bootstrap\IBootContext;
+use OCP\AppFramework\Bootstrap\IBootstrap;
+use OCP\AppFramework\Bootstrap\IRegistrationContext;
+use OCP\Files\Events\Node\BeforeNodeCopiedEvent;
+use OCP\Files\Events\Node\BeforeNodeDeletedEvent;
+use OCP\Files\Events\Node\BeforeNodeRenamedEvent;
+use OCP\Files\Events\Node\BeforeNodeTouchedEvent;
+use OCP\Files\Events\Node\BeforeNodeWrittenEvent;
+use OCP\Files\Events\Node\NodeCopiedEvent;
+use OCP\Files\Events\Node\NodeCreatedEvent;
+use OCP\Files\Events\Node\NodeDeletedEvent;
+use OCP\Files\Events\Node\NodeRenamedEvent;
+use OCP\Files\Events\Node\NodeTouchedEvent;
+use OCP\Files\Events\Node\NodeWrittenEvent;
+use OCP\IConfig;
+use OCP\IGroupManager;
+use OCP\IServerContainer;
+use OCP\IUserManager;
+use OCP\IUserSession;
+use OCP\L10N\IFactory;
+use OCP\Server;
+use OCP\Share\IManager as IShareManager;
+use Psr\Container\ContainerInterface;
+use Psr\Log\LoggerInterface;
+
+class Application extends App implements IBootstrap {
+	public const APP_ID = 'files_versions';
+
+	public function __construct(array $urlParams = []) {
+		parent::__construct(self::APP_ID, $urlParams);
+	}
+
+	public function register(IRegistrationContext $context): void {
+		/**
+		 * Register capabilities
+		 */
+		$context->registerCapability(Capabilities::class);
+
+		/**
+		 * Register $principalBackend for the DAV collection
+		 */
+		$context->registerService('principalBackend', function (ContainerInterface $c) {
+			/** @var IServerContainer $server */
+			$server = $c->get(IServerContainer::class);
+			return new Principal(
+				$server->get(IUserManager::class),
+				$server->get(IGroupManager::class),
+				Server::get(IAccountManager::class),
+				$server->get(IShareManager::class),
+				$server->get(IUserSession::class),
+				$server->get(IAppManager::class),
+				$server->get(ProxyMapper::class),
+				$server->get(KnownUserService::class),
+				$server->get(IConfig::class),
+				$server->get(IFactory::class),
+			);
+		});
+
+		$context->registerServiceAlias(IVersionManager::class, VersionManager::class);
+
+		/**
+		 * Register Events
+		 */
+		$context->registerEventListener(LoadAdditionalScriptsEvent::class, LoadAdditionalListener::class);
+		$context->registerEventListener(LoadSidebar::class, LoadSidebarListener::class);
+
+		$context->registerEventListener(BeforeNodeRenamedEvent::class, VersionStorageMoveListener::class);
+		$context->registerEventListener(NodeRenamedEvent::class, VersionStorageMoveListener::class);
+		$context->registerEventListener(BeforeNodeCopiedEvent::class, VersionStorageMoveListener::class);
+		$context->registerEventListener(NodeCopiedEvent::class, VersionStorageMoveListener::class);
+
+		$context->registerEventListener(NodeCreatedEvent::class, FileEventsListener::class);
+		$context->registerEventListener(BeforeNodeTouchedEvent::class, FileEventsListener::class);
+		$context->registerEventListener(NodeTouchedEvent::class, FileEventsListener::class);
+		$context->registerEventListener(BeforeNodeWrittenEvent::class, FileEventsListener::class);
+		$context->registerEventListener(NodeWrittenEvent::class, FileEventsListener::class);
+		$context->registerEventListener(BeforeNodeDeletedEvent::class, FileEventsListener::class);
+		$context->registerEventListener(NodeDeletedEvent::class, FileEventsListener::class);
+		$context->registerEventListener(NodeRenamedEvent::class, FileEventsListener::class);
+		$context->registerEventListener(NodeCopiedEvent::class, FileEventsListener::class);
+		$context->registerEventListener(BeforeNodeRenamedEvent::class, FileEventsListener::class);
+		$context->registerEventListener(BeforeNodeCopiedEvent::class, FileEventsListener::class);
+
+		// we add the version author listener with lower priority to make sure new versions already are created by FileEventsListener
+		$context->registerEventListener(NodeWrittenEvent::class, VersionAuthorListener::class, -1);
+
+		$context->registerEventListener(VersionRestoredEvent::class, LegacyRollbackListener::class);
+	}
+
+	public function boot(IBootContext $context): void {
+		$context->injectFn(\Closure::fromCallable([$this, 'registerVersionBackends']));
+	}
+
+	public function registerVersionBackends(ContainerInterface $container, IAppManager $appManager, LoggerInterface $logger): void {
+		foreach ($appManager->getEnabledApps() as $app) {
+			$appInfo = $appManager->getAppInfo($app);
+			if (isset($appInfo['versions'])) {
+				$backends = $appInfo['versions'];
+				foreach ($backends as $backend) {
+					if (isset($backend['@value'])) {
+						$this->loadBackend($backend, $container, $logger);
+					} else {
+						foreach ($backend as $singleBackend) {
+							$this->loadBackend($singleBackend, $container, $logger);
+						}
+					}
+				}
+			}
+		}
+	}
+
+	private function loadBackend(array $backend, ContainerInterface $container, LoggerInterface $logger): void {
+		/** @var IVersionManager $versionManager */
+		$versionManager = $container->get(IVersionManager::class);
+		$class = $backend['@value'];
+		$for = $backend['@attributes']['for'];
+		try {
+			$backendObject = $container->get($class);
+			$versionManager->registerBackend($for, $backendObject);
+		} catch (\Exception $e) {
+			$logger->error($e->getMessage(), ['exception' => $e]);
+		}
+	}
+}