Decouple remote wipe notifcation channels with events

core/Application.php

@@ -28,12 +28,18 @@
 
 namespace OC\Core;
 
+use OC\Authentication\Events\RemoteWipeFinished;
+use OC\Authentication\Events\RemoteWipeStarted;
+use OC\Authentication\Listeners\RemoteWipeActivityListener;
+use OC\Authentication\Listeners\RemoteWipeNotificationsListener;
 use OC\Authentication\Notifications\Notifier as AuthenticationNotifier;
 use OC\Core\Notification\RemoveLinkSharesNotifier;
 use OC\DB\MissingIndexInformation;
 use OC\DB\SchemaWrapper;
 use OCP\AppFramework\App;
+use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IDBConnection;
+use OCP\IServerContainer;
 use OCP\Util;
 use Symfony\Component\EventDispatcher\GenericEvent;
 
@@ -54,7 +60,8 @@ public function __construct() {
 		});
 
 		$server = $container->getServer();
-		$eventDispatcher = $server->getEventDispatcher();
+		/** @var IEventDispatcher $eventDispatcher */
+		$eventDispatcher = $server->query(IEventDispatcher::class);
 
 		$notificationManager = $server->getNotificationManager();
 		$notificationManager->registerNotifier(function() use ($server) {
@@ -155,5 +162,10 @@ function(GenericEvent $event) use ($container) {
 				}
 			}
 		);
+
+		$eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeActivityListener::class);
+		$eventDispatcher->addServiceListener(RemoteWipeStarted::class, RemoteWipeNotificationsListener::class);
+		$eventDispatcher->addServiceListener(RemoteWipeFinished::class, RemoteWipeActivityListener::class);
+		$eventDispatcher->addServiceListener(RemoteWipeFinished::class, RemoteWipeNotificationsListener::class);
 	}
 }

lib/composer/composer/autoload_classmap.php

@@ -509,6 +509,9 @@
     'OC\\Archive\\Archive' => $baseDir . '/lib/private/Archive/Archive.php',
     'OC\\Archive\\TAR' => $baseDir . '/lib/private/Archive/TAR.php',
     'OC\\Archive\\ZIP' => $baseDir . '/lib/private/Archive/ZIP.php',
+    'OC\\Authentication\\Events\\ARemoteWipeEvent' => $baseDir . '/lib/private/Authentication/Events/ARemoteWipeEvent.php',
+    'OC\\Authentication\\Events\\RemoteWipeFinished' => $baseDir . '/lib/private/Authentication/Events/RemoteWipeFinished.php',
+    'OC\\Authentication\\Events\\RemoteWipeStarted' => $baseDir . '/lib/private/Authentication/Events/RemoteWipeStarted.php',
     'OC\\Authentication\\Exceptions\\ExpiredTokenException' => $baseDir . '/lib/private/Authentication/Exceptions/ExpiredTokenException.php',
     'OC\\Authentication\\Exceptions\\InvalidProviderException' => $baseDir . '/lib/private/Authentication/Exceptions/InvalidProviderException.php',
     'OC\\Authentication\\Exceptions\\InvalidTokenException' => $baseDir . '/lib/private/Authentication/Exceptions/InvalidTokenException.php',
@@ -518,6 +521,8 @@
     'OC\\Authentication\\Exceptions\\TwoFactorAuthRequiredException' => $baseDir . '/lib/private/Authentication/Exceptions/TwoFactorAuthRequiredException.php',
     'OC\\Authentication\\Exceptions\\UserAlreadyLoggedInException' => $baseDir . '/lib/private/Authentication/Exceptions/UserAlreadyLoggedInException.php',
     'OC\\Authentication\\Exceptions\\WipeTokenException' => $baseDir . '/lib/private/Authentication/Exceptions/WipeTokenException.php',
+    'OC\\Authentication\\Listeners\\RemoteWipeActivityListener' => $baseDir . '/lib/private/Authentication/Listeners/RemoteWipeActivityListener.php',
+    'OC\\Authentication\\Listeners\\RemoteWipeNotificationsListener' => $baseDir . '/lib/private/Authentication/Listeners/RemoteWipeNotificationsListener.php',
     'OC\\Authentication\\LoginCredentials\\Credentials' => $baseDir . '/lib/private/Authentication/LoginCredentials/Credentials.php',
     'OC\\Authentication\\LoginCredentials\\Store' => $baseDir . '/lib/private/Authentication/LoginCredentials/Store.php',
     'OC\\Authentication\\Login\\ALoginCommand' => $baseDir . '/lib/private/Authentication/Login/ALoginCommand.php',

lib/composer/composer/autoload_static.php

@@ -543,6 +543,9 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Archive\\Archive' => __DIR__ . '/../../..' . '/lib/private/Archive/Archive.php',
         'OC\\Archive\\TAR' => __DIR__ . '/../../..' . '/lib/private/Archive/TAR.php',
         'OC\\Archive\\ZIP' => __DIR__ . '/../../..' . '/lib/private/Archive/ZIP.php',
+        'OC\\Authentication\\Events\\ARemoteWipeEvent' => __DIR__ . '/../../..' . '/lib/private/Authentication/Events/ARemoteWipeEvent.php',
+        'OC\\Authentication\\Events\\RemoteWipeFinished' => __DIR__ . '/../../..' . '/lib/private/Authentication/Events/RemoteWipeFinished.php',
+        'OC\\Authentication\\Events\\RemoteWipeStarted' => __DIR__ . '/../../..' . '/lib/private/Authentication/Events/RemoteWipeStarted.php',
         'OC\\Authentication\\Exceptions\\ExpiredTokenException' => __DIR__ . '/../../..' . '/lib/private/Authentication/Exceptions/ExpiredTokenException.php',
         'OC\\Authentication\\Exceptions\\InvalidProviderException' => __DIR__ . '/../../..' . '/lib/private/Authentication/Exceptions/InvalidProviderException.php',
         'OC\\Authentication\\Exceptions\\InvalidTokenException' => __DIR__ . '/../../..' . '/lib/private/Authentication/Exceptions/InvalidTokenException.php',
@@ -552,6 +555,8 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Authentication\\Exceptions\\TwoFactorAuthRequiredException' => __DIR__ . '/../../..' . '/lib/private/Authentication/Exceptions/TwoFactorAuthRequiredException.php',
         'OC\\Authentication\\Exceptions\\UserAlreadyLoggedInException' => __DIR__ . '/../../..' . '/lib/private/Authentication/Exceptions/UserAlreadyLoggedInException.php',
         'OC\\Authentication\\Exceptions\\WipeTokenException' => __DIR__ . '/../../..' . '/lib/private/Authentication/Exceptions/WipeTokenException.php',
+        'OC\\Authentication\\Listeners\\RemoteWipeActivityListener' => __DIR__ . '/../../..' . '/lib/private/Authentication/Listeners/RemoteWipeActivityListener.php',
+        'OC\\Authentication\\Listeners\\RemoteWipeNotificationsListener' => __DIR__ . '/../../..' . '/lib/private/Authentication/Listeners/RemoteWipeNotificationsListener.php',
         'OC\\Authentication\\LoginCredentials\\Credentials' => __DIR__ . '/../../..' . '/lib/private/Authentication/LoginCredentials/Credentials.php',
         'OC\\Authentication\\LoginCredentials\\Store' => __DIR__ . '/../../..' . '/lib/private/Authentication/LoginCredentials/Store.php',
         'OC\\Authentication\\Login\\ALoginCommand' => __DIR__ . '/../../..' . '/lib/private/Authentication/Login/ALoginCommand.php',

lib/private/Authentication/Events/ARemoteWipeEvent.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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 OC\Authentication\Events;
+
+use OC\Authentication\Token\IToken;
+use OCP\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\GenericEvent;
+
+abstract class ARemoteWipeEvent extends Event {
+
+	/** @var IToken */
+	private $token;
+
+	public function __construct(IToken $token) {
+		parent::__construct();
+		$this->token = $token;
+	}
+
+	public function getToken(): IToken {
+		return $this->token;
+	}
+
+}

lib/private/Authentication/Events/RemoteWipeFinished.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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 OC\Authentication\Events;
+
+class RemoteWipeFinished extends ARemoteWipeEvent {
+
+}

lib/private/Authentication/Events/RemoteWipeStarted.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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 OC\Authentication\Events;
+
+class RemoteWipeStarted extends ARemoteWipeEvent {
+
+}

lib/private/Authentication/Listeners/RemoteWipeActivityListener.php

@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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 OC\Authentication\Listeners;
+
+use BadMethodCallException;
+use OC\Authentication\Events\ARemoteWipeEvent;
+use OC\Authentication\Events\RemoteWipeFinished;
+use OC\Authentication\Events\RemoteWipeStarted;
+use OC\Authentication\Token\IToken;
+use OCP\Activity\IManager as IActvityManager;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\ILogger;
+
+class RemoteWipeActivityListener implements IEventListener {
+
+	/** @var IActvityManager */
+	private $activityManager;
+
+	/** @var ILogger */
+	private $logger;
+
+	public function __construct(IActvityManager $activityManager,
+								ILogger $logger) {
+		$this->activityManager = $activityManager;
+		$this->logger = $logger;
+	}
+
+	public function handle(Event $event): void {
+		if ($event instanceof RemoteWipeStarted) {
+			$this->publishActivity('remote_wipe_start', $event->getToken());
+		} else if ($event instanceof RemoteWipeFinished) {
+			$this->publishActivity('remote_wipe_finish', $event->getToken());
+		}
+	}
+
+	private function publishActivity(string $event, IToken $token): void {
+		$activity = $this->activityManager->generateEvent();
+		$activity->setApp('core')
+			->setType('security')
+			->setAuthor($token->getUID())
+			->setAffectedUser($token->getUID())
+			->setSubject($event, [
+				'name' => $token->getName(),
+			]);
+		try {
+			$this->activityManager->publish($activity);
+		} catch (BadMethodCallException $e) {
+			$this->logger->logException($e, [
+				'app' => 'core',
+				'level' => ILogger::WARN,
+				'message' => 'could not publish activity',
+			]);
+		}
+	}
+
+}

lib/private/Authentication/Listeners/RemoteWipeNotificationsListener.php

@@ -0,0 +1,71 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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 OC\Authentication\Listeners;
+
+use OC\Authentication\Events\ARemoteWipeEvent;
+use OC\Authentication\Events\RemoteWipeFinished;
+use OC\Authentication\Events\RemoteWipeStarted;
+use OC\Authentication\Token\IToken;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Notification\IManager as INotificationManager;
+
+class RemoteWipeNotificationsListener implements IEventListener {
+
+	/** @var INotificationManager */
+	private $notificationManager;
+
+	/** @var ITimeFactory */
+	private $timeFactory;
+
+	public function __construct(INotificationManager $notificationManager,
+								ITimeFactory $timeFactory) {
+		$this->notificationManager = $notificationManager;
+		$this->timeFactory = $timeFactory;
+	}
+
+	public function handle(Event $event): void {
+		if ($event instanceof RemoteWipeStarted) {
+			$this->sendNotification('remote_wipe_start', $event->getToken());
+		} else if ($event instanceof RemoteWipeFinished) {
+			$this->sendNotification('remote_wipe_finish', $event->getToken());
+		}
+	}
+
+	private function sendNotification(string $event, IToken $token): void {
+		$notification = $this->notificationManager->createNotification();
+		$notification->setApp('auth')
+			->setUser($token->getUID())
+			->setDateTime($this->timeFactory->getDateTime())
+			->setObject('token', $token->getId())
+			->setSubject($event, [
+				'name' => $token->getName(),
+			]);
+		$this->notificationManager->notify($notification);
+	}
+
+}