allow other apps to register webfinger

Signed-off-by: Maxence Lange <maxence@artificial-owl.com>

appinfo/info.xml

@@ -6,7 +6,7 @@
 	<summary>🎉 Nextcloud becomes part of the federated social networks!</summary>
 	<description><![CDATA[
 
-	** Disclaimer: this is an BETA version **
+	** Disclaimer: this is a BETA version **
 
 **🎉 Nextcloud becomes part of the federated social networks!**
 

lib/AppInfo/Application.php

@@ -53,10 +53,13 @@ require_once __DIR__ . '/../../vendor/autoload.php';
  * @package OCA\Social\AppInfo
  */
 class Application extends App implements IBootstrap {
-	public const APP_NAME = 'social';
+	public const APP_ID = 'social';
+	public const APP_NAME = 'Social';
+	public const APP_SUBJECT = 'http://nextcloud.com/';
+	public const APP_REL = 'https://apps.nextcloud.com/apps/social';
 
 	public function __construct(array $params = []) {
-		parent::__construct(self::APP_NAME, $params);
+		parent::__construct(self::APP_ID, $params);
 	}
 
 	public function register(IRegistrationContext $context): void {

lib/Controller/ActivityPubController.php

@@ -89,7 +89,7 @@ class ActivityPubController extends Controller {
 		ConfigService $configService,
 		LoggerInterface $logger
 	) {
-		parent::__construct(Application::APP_NAME, $request);
+		parent::__construct(Application::APP_ID, $request);
 
 		$this->socialPubController = $socialPubController;
 		$this->fediverseService = $fediverseService;

lib/Controller/ApiController.php

@@ -113,7 +113,7 @@ class ApiController extends Controller {
 		PostService $postService,
 		ConfigService $configService
 	) {
-		parent::__construct(Application::APP_NAME, $request);
+		parent::__construct(Application::APP_ID, $request);
 
 		$this->urlGenerator = $urlGenerator;
 		$this->userSession = $userSession;

lib/Controller/LocalController.php

@@ -91,7 +91,7 @@ class LocalController extends Controller {
 		BoostService $boostService, LikeService $likeService, DocumentService $documentService,
 		MiscService $miscService
 	) {
-		parent::__construct(Application::APP_NAME, $request);
+		parent::__construct(Application::APP_ID, $request);
 
 		$this->userId = $userId;
 		$this->cacheActorService = $cacheActorService;

lib/Controller/NavigationController.php

@@ -90,7 +90,7 @@ class NavigationController extends Controller {
 		CheckService $checkService,
 		MiscService $miscService
 	) {
-		parent::__construct(Application::APP_NAME, $request);
+		parent::__construct(Application::APP_ID, $request);
 
 		$this->userId = $userId;
 		$this->l10n = $l10n;
@@ -140,8 +140,8 @@ class NavigationController extends Controller {
 					if ($cloudAddress !== null) {
 						$this->configService->setCloudUrl($cloudAddress);
 					} else {
-						$this->initialStateService->provideInitialState(Application::APP_NAME, 'serverData', $serverData);
-						return new TemplateResponse(Application::APP_NAME, 'main');
+						$this->initialStateService->provideInitialState(Application::APP_ID, 'serverData', $serverData);
+						return new TemplateResponse(Application::APP_ID, 'main');
 					}
 				}
 			}
@@ -172,8 +172,8 @@ class NavigationController extends Controller {
 			$serverData['checks'] = $checks;
 		}
 
-		$this->initialStateService->provideInitialState(Application::APP_NAME, 'serverData', $serverData);
-		return new TemplateResponse(Application::APP_NAME, 'main');
+		$this->initialStateService->provideInitialState(Application::APP_ID, 'serverData', $serverData);
+		return new TemplateResponse(Application::APP_ID, 'main');
 	}
 
 	private function setupCloudAddress(): string {

lib/Controller/OAuthController.php

@@ -71,7 +71,7 @@ class OAuthController extends Controller {
 		LoggerInterface $logger,
 		IInitialState $initialState
 	) {
-		parent::__construct(Application::APP_NAME, $request);
+		parent::__construct(Application::APP_ID, $request);
 
 		$this->userSession = $userSession;
 		$this->urlGenerator = $urlGenerator;
@@ -187,7 +187,7 @@ class OAuthController extends Controller {
 		$client = $this->clientService->getFromClientId($client_id);
 		$this->initialState->provideInitialState('appName', $client->getAppName());
 
-		return new TemplateResponse(Application::APP_NAME, 'oauth2', [
+		return new TemplateResponse(Application::APP_ID, 'oauth2', [
 			'request' =>
 				[
 					'clientId' => $client_id,

lib/Controller/OStatusController.php

@@ -64,7 +64,7 @@ class OStatusController extends Controller {
 		IRequest $request, IInitialStateService $initialStateService, CacheActorService $cacheActorService, AccountService $accountService,
 		CurlService $curlService, MiscService $miscService, IUserSession $userSession
 	) {
-		parent::__construct(Application::APP_NAME, $request);
+		parent::__construct(Application::APP_ID, $request);
 
 		$this->initialStateService = $initialStateService;
 		$this->cacheActorService = $cacheActorService;

lib/Controller/QueueController.php

@@ -56,7 +56,7 @@ class QueueController extends Controller {
 		IRequest $request, RequestQueueService $requestQueueService, ActivityService $activityService,
 		MiscService $miscService
 	) {
-		parent::__construct(Application::APP_NAME, $request);
+		parent::__construct(Application::APP_ID, $request);
 
 		$this->requestQueueService = $requestQueueService;
 		$this->activityService = $activityService;

lib/Controller/SocialPubController.php

@@ -74,7 +74,7 @@ class SocialPubController extends Controller {
 		CacheActorService $cacheActorService, AccountService $accountService, StreamService $streamService,
 		ConfigService $configService
 	) {
-		parent::__construct(Application::APP_NAME, $request);
+		parent::__construct(Application::APP_ID, $request);
 
 		$this->userId = $userId;
 		$this->initialStateService = $initialStateService;
@@ -113,7 +113,7 @@ class SocialPubController extends Controller {
 		$this->initialStateService->provideInitialState('social', 'serverData', [
 			'public' => true,
 		]);
-		$page = new PublicTemplateResponse(Application::APP_NAME, 'main', $data);
+		$page = new PublicTemplateResponse(Application::APP_ID, 'main', $data);
 		$page->setStatus($status);
 		$page->setHeaderTitle($this->l10n->t('Social'));
 
@@ -190,10 +190,10 @@ class SocialPubController extends Controller {
 			'application' => 'Social'
 		];
 
-		$this->initialStateService->provideInitialState(Application::APP_NAME, 'item', $stream);
-		$this->initialStateService->provideInitialState(Application::APP_NAME, 'serverData', [
+		$this->initialStateService->provideInitialState(Application::APP_ID, 'item', $stream);
+		$this->initialStateService->provideInitialState(Application::APP_ID, 'serverData', [
 			'public' => ($this->userId === null),
 		]);
-		return new TemplateResponse(Application::APP_NAME, 'main', $data);
+		return new TemplateResponse(Application::APP_ID, 'main', $data);
 	}
 }

lib/Dashboard/SocialWidget.php

@@ -79,7 +79,7 @@ class SocialWidget implements IWidget {
 	 * @inheritDoc
 	 */
 	public function load(): void {
-		\OCP\Util::addScript(Application::APP_NAME, 'social-dashboard');
-		\OCP\Util::addStyle(Application::APP_NAME, 'dashboard');
+		\OCP\Util::addScript(Application::APP_ID, 'social-dashboard');
+		\OCP\Util::addStyle(Application::APP_ID, 'dashboard');
 	}
 }

lib/Notification/Notifier.php

@@ -76,7 +76,7 @@ class Notifier implements INotifier {
 	 * @since 17.0.0
 	 */
 	public function getID(): string {
-		return Application::APP_NAME;
+		return Application::APP_ID;
 	}
 
 	/**
@@ -97,11 +97,11 @@ class Notifier implements INotifier {
 	 * @throws InvalidArgumentException
 	 */
 	public function prepare(INotification $notification, string $languageCode): INotification {
-		if ($notification->getApp() !== Application::APP_NAME) {
+		if ($notification->getApp() !== Application::APP_ID) {
 			throw new InvalidArgumentException();
 		}
 
-		$l10n = $this->factory->get(Application::APP_NAME, $languageCode);
+		$l10n = $this->factory->get(Application::APP_ID, $languageCode);
 
 		$notification->setIcon(
 			$this->url->getAbsoluteURL($this->url->imagePath('social', 'social_dark.svg'))

lib/Providers/ContactsMenuProvider.php

@@ -97,7 +97,7 @@ class ContactsMenuProvider implements IProvider {
 				'social.ActivityPub.actorAlias', ['username' => $actor->getPreferredUsername()]
 			);
 
-			$action = $this->actionFactory->newLinkAction($icon, $action, $link, Application::APP_NAME);
+			$action = $this->actionFactory->newLinkAction($icon, $action, $link, Application::APP_ID);
 			$entry->addAction($action);
 		} catch (Exception $e) {
 			return;

lib/Service/ConfigService.php

@@ -132,7 +132,7 @@ class ConfigService {
 			$defaultValue = $this->defaults[$key];
 		}
 
-		return $this->config->getAppValue(Application::APP_NAME, $key, $defaultValue);
+		return $this->config->getAppValue(Application::APP_ID, $key, $defaultValue);
 	}
 
 	/**
@@ -148,7 +148,7 @@ class ConfigService {
 			$defaultValue = $this->defaults[$key];
 		}
 
-		return (int)$this->config->getAppValue(Application::APP_NAME, $key, $defaultValue);
+		return (int)$this->config->getAppValue(Application::APP_ID, $key, $defaultValue);
 	}
 
 	/**
@@ -160,7 +160,7 @@ class ConfigService {
 	 * @return void
 	 */
 	public function setAppValue($key, $value) {
-		$this->config->setAppValue(Application::APP_NAME, $key, $value);
+		$this->config->setAppValue(Application::APP_ID, $key, $value);
 	}
 
 	/**
@@ -171,7 +171,7 @@ class ConfigService {
 	 * @return string
 	 */
 	public function deleteAppValue($key) {
-		return $this->config->deleteAppValue(Application::APP_NAME, $key);
+		return $this->config->deleteAppValue(Application::APP_ID, $key);
 	}
 
 	/**
@@ -190,7 +190,7 @@ class ConfigService {
 
 		$defaultValue = '';
 		if ($app === '') {
-			$app = Application::APP_NAME;
+			$app = Application::APP_ID;
 			if (array_key_exists($key, $this->defaults)) {
 				$defaultValue = $this->defaults[$key];
 			}
@@ -209,7 +209,7 @@ class ConfigService {
 	 * @throws PreConditionNotMetException
 	 */
 	public function setUserValue($key, $value) {
-		return $this->config->setUserValue($this->userId, Application::APP_NAME, $key, $value);
+		return $this->config->setUserValue($this->userId, Application::APP_ID, $key, $value);
 	}
 
 	/**
@@ -221,7 +221,7 @@ class ConfigService {
 	 * @return string
 	 */
 	public function getValueForUser($userId, $key) {
-		return $this->config->getUserValue($userId, Application::APP_NAME, $key);
+		return $this->config->getUserValue($userId, Application::APP_ID, $key);
 	}
 
 	/**
@@ -235,7 +235,7 @@ class ConfigService {
 	 * @throws PreConditionNotMetException
 	 */
 	public function setValueForUser($userId, $key, $value) {
-		return $this->config->setUserValue($userId, Application::APP_NAME, $key, $value);
+		return $this->config->setUserValue($userId, Application::APP_ID, $key, $value);
 	}
 
 
@@ -268,7 +268,7 @@ class ConfigService {
 	 *
 	 */
 	public function unsetAppConfig() {
-		$this->config->deleteAppValues(Application::APP_NAME);
+		$this->config->deleteAppValues(Application::APP_ID);
 	}
 
 

lib/Service/InstanceService.php

@@ -62,7 +62,7 @@ class InstanceService {
 	public function createLocal(): Instance {
 		$instance = new Instance();
 		$instance->setLocal(true)
-			->setVersion($this->config->getAppValue(Application::APP_NAME, 'installed_version', '0.0'))
+			->setVersion($this->config->getAppValue(Application::APP_ID, 'installed_version', '0.0'))
 			->setApprovalRequired(false)
 			->setDescription($this->config->getAppValue('theming', 'slogan', 'a safe home for your data'))
 			->setTitle($this->config->getAppValue('theming', 'name', 'Nextcloud Social'));

lib/Service/MiscService.php

@@ -58,7 +58,7 @@ class MiscService {
 	 */
 	public function log(string $message, $level = 2) {
 		$data = array(
-			'app' => Application::APP_NAME,
+			'app' => Application::APP_ID,
 			'level' => $level
 		);
 

lib/Service/SignatureService.php

@@ -581,7 +581,7 @@ class SignatureService {
 	private static function getContextCacheFolder(): ISimpleFolder {
 		$path = 'context';
 
-		$appData = Server::get(IAppDataFactory::class)->get(Application::APP_NAME);
+		$appData = Server::get(IAppDataFactory::class)->get(Application::APP_ID);
 		try {
 			$folder = $appData->getFolder($path);
 		} catch (NotFoundException $e) {

lib/WellKnown/WebfingerHandler.php

@@ -25,6 +25,7 @@ declare(strict_types=1);
 
 namespace OCA\Social\WellKnown;
 
+use OCA\Social\AppInfo\Application;
 use OCA\Social\Db\CacheActorsRequest;
 use OCA\Social\Exceptions\ActorDoesNotExistException;
 use OCA\Social\Exceptions\CacheActorDoesNotExistException;
@@ -76,21 +77,29 @@ class WebfingerHandler implements IHandler {
 		try {
 			$this->fediverseService->jailed();
 		} catch (UnauthorizedFediverseException $e) {
-			return null;
+			return $previousResponse;
 		}
 
+		$response = null;
 		switch (strtolower($service)) {
 			case 'webfinger':
-				return $this->handleWebfinger($context);
+				$response = $this->handleWebfinger($context, $previousResponse);
+				break;
 
 			case 'nodeinfo':
-				return $this->handleNodeInfo($context);
+				$response = $this->handleNodeInfo($context);
+				break;
 
 			case 'host-meta':
-				return $this->handleHostMeta($context);
+				$response = $this->handleHostMeta($context);
+				break;
 		}
 
-		return null;
+		if ($response !== null) {
+			return $response;
+		}
+
+		return $previousResponse;
 	}
 
 
@@ -101,16 +110,34 @@ class WebfingerHandler implements IHandler {
 	 *
 	 * @return IResponse|null
 	 */
-	public function handleWebfinger(IRequestContext $context): ?IResponse {
+	public function handleWebfinger(IRequestContext $context, ?IResponse $previousResponse): ?IResponse {
 		$subject = $context->getHttpRequest()->getParam('resource') ?? '';
-		if (strpos($subject, 'acct:') === 0) {
+		if (str_starts_with($subject, 'acct:')) {
 			$subject = substr($subject, 5);
 		}
 
+		if ($subject === Application::APP_SUBJECT) {
+			if ($previousResponse !== null && method_exists($previousResponse, 'addLink')) {
+				$previousResponse->addLink(
+					Application::APP_REL,
+					'application/json',
+					$this->urlGenerator->linkToRouteAbsolute('social.Navigation.navigate'),
+					[],
+					[
+						'app' => Application::APP_ID,
+						'name' => Application::APP_NAME,
+						'version' => $this->configService->getAppValue('installed_version'),
+					]
+				);
+			}
+
+			return $previousResponse;
+		}
+
 		$actor = null;
 		try {
 			$actor = $this->cacheActorService->getFromLocalAccount($subject);
-		} catch (ActorDoesNotExistException | SocialAppConfigException $e) {
+		} catch (ActorDoesNotExistException|SocialAppConfigException $e) {
 			return null;
 		} catch (CacheActorDoesNotExistException $e) {
 		}