Emit event on enablign or disabling of 2FA provider

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

lib/composer/composer/autoload_classmap.php

@@ -74,6 +74,7 @@ return array(
     'OCP\\Authentication\\TwoFactorAuth\\IProvider' => $baseDir . '/lib/public/Authentication/TwoFactorAuth/IProvider.php',
     'OCP\\Authentication\\TwoFactorAuth\\IProvidesCustomCSP' => $baseDir . '/lib/public/Authentication/TwoFactorAuth/IProvidesCustomCSP.php',
     'OCP\\Authentication\\TwoFactorAuth\\IRegistry' => $baseDir . '/lib/public/Authentication/TwoFactorAuth/IRegistry.php',
+    'OCP\\Authentication\\TwoFactorAuth\\RegistryEvent' => $baseDir . '/lib/public/Authentication/TwoFactorAuth/RegistryEvent.php',
     'OCP\\Authentication\\TwoFactorAuth\\TwoFactorException' => $baseDir . '/lib/public/Authentication/TwoFactorAuth/TwoFactorException.php',
     'OCP\\AutoloadNotAllowedException' => $baseDir . '/lib/public/AutoloadNotAllowedException.php',
     'OCP\\BackgroundJob' => $baseDir . '/lib/public/BackgroundJob.php',

lib/composer/composer/autoload_static.php

@@ -104,6 +104,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\Authentication\\TwoFactorAuth\\IProvider' => __DIR__ . '/../../..' . '/lib/public/Authentication/TwoFactorAuth/IProvider.php',
         'OCP\\Authentication\\TwoFactorAuth\\IProvidesCustomCSP' => __DIR__ . '/../../..' . '/lib/public/Authentication/TwoFactorAuth/IProvidesCustomCSP.php',
         'OCP\\Authentication\\TwoFactorAuth\\IRegistry' => __DIR__ . '/../../..' . '/lib/public/Authentication/TwoFactorAuth/IRegistry.php',
+        'OCP\\Authentication\\TwoFactorAuth\\RegistryEvent' => __DIR__ . '/../../..' . '/lib/public/Authentication/TwoFactorAuth/RegistryEvent.php',
         'OCP\\Authentication\\TwoFactorAuth\\TwoFactorException' => __DIR__ . '/../../..' . '/lib/public/Authentication/TwoFactorAuth/TwoFactorException.php',
         'OCP\\AutoloadNotAllowedException' => __DIR__ . '/../../..' . '/lib/public/AutoloadNotAllowedException.php',
         'OCP\\BackgroundJob' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob.php',

lib/private/Authentication/TwoFactorAuth/Registry.php

@@ -29,15 +29,23 @@ namespace OC\Authentication\TwoFactorAuth;
 use OC\Authentication\TwoFactorAuth\Db\ProviderUserAssignmentDao;
 use OCP\Authentication\TwoFactorAuth\IProvider;
 use OCP\Authentication\TwoFactorAuth\IRegistry;
+use OCP\Authentication\TwoFactorAuth\RegistryEvent;
 use OCP\IUser;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\EventDispatcher\GenericEvent;
 
 class Registry implements IRegistry {
 
 	/** @var ProviderUserAssignmentDao */
 	private $assignmentDao;
 
-	public function __construct(ProviderUserAssignmentDao $assignmentDao) {
+	/** @var EventDispatcherInterface */
+	private $dispatcher;
+
+	public function __construct(ProviderUserAssignmentDao $assignmentDao,
+								EventDispatcherInterface $dispatcher) {
 		$this->assignmentDao = $assignmentDao;
+		$this->dispatcher = $dispatcher;
 	}
 
 	public function getProviderStates(IUser $user): array {
@@ -46,10 +54,16 @@ class Registry implements IRegistry {
 
 	public function enableProviderFor(IProvider $provider, IUser $user) {
 		$this->assignmentDao->persist($provider->getId(), $user->getUID(), 1);
+
+		$event = new RegistryEvent($provider, $user);
+		$this->dispatcher->dispatch(self::EVENT_PROVIDER_ENABLED, $event);
 	}
 
 	public function disableProviderFor(IProvider $provider, IUser $user) {
 		$this->assignmentDao->persist($provider->getId(), $user->getUID(), 0);
+
+		$event = new RegistryEvent($provider, $user);
+		$this->dispatcher->dispatch(self::EVENT_PROVIDER_DISABLED, $event);
 	}
 
 	public function cleanUp(string $providerId) {

lib/public/Authentication/TwoFactorAuth/IRegistry.php

@@ -39,6 +39,10 @@ use OCP\IUser;
  */
 interface IRegistry {
 
+
+	const EVENT_PROVIDER_ENABLED = self::class . '::enable';
+	const EVENT_PROVIDER_DISABLED = self::class . '::disable';
+
 	/**
 	 * Get a key-value map of providers and their enabled/disabled state for
 	 * the given user.

lib/public/Authentication/TwoFactorAuth/RegistryEvent.php

@@ -0,0 +1,62 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.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 OCP\Authentication\TwoFactorAuth;
+
+use OCP\IUser;
+use Symfony\Component\EventDispatcher\Event;
+
+/**
+ * @since 15.0.0
+ */
+class RegistryEvent extends Event {
+
+	/** @var IProvider */
+	private $provider;
+
+	/** @IUser */
+	private $user;
+
+	/**
+	 * @since 15.0.0
+	 */
+	public function __construct(IProvider $provider, IUser $user) {
+		$this->provider = $provider;
+		$this->user = $user;
+	}
+
+	/**
+	 * @since 15.0.0
+	 */
+	public function getProvider(): IProvider {
+		return $this->provider;
+	}
+
+	/**
+	 * @since 15.0.0
+	 */
+	public function getUser(): IUser {
+		return $this->user;
+	}
+}