Add mandatory 2FA service/class

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

2 files changed, 60 insertions, 2 deletions

diff --git a/lib/private/Authentication/TwoFactorAuth/Manager.php b/lib/private/Authentication/TwoFactorAuth/Manager.php
index 71cc5874e5d..2307a731002 100644
--- a/lib/private/Authentication/TwoFactorAuth/Manager.php
+++ b/lib/private/Authentication/TwoFactorAuth/Manager.php
@@ -57,6 +57,9 @@ class Manager {
 	/** @var IRegistry */
 	private $providerRegistry;
 
+	/** @var MandatoryTwoFactor */
+	private $mandatoryTwoFactor;
+
 	/** @var ISession */
 	private $session;
 
@@ -79,10 +82,14 @@ class Manager {
 	private $dispatcher;
 
 	public function __construct(ProviderLoader $providerLoader,
-								IRegistry $providerRegistry, ISession $session, IConfig $config,
+								IRegistry $providerRegistry,
+								MandatoryTwoFactor $mandatoryTwoFactor,
+								ISession $session, IConfig $config,
 								IManager $activityManager, ILogger $logger, TokenProvider $tokenProvider,
 								ITimeFactory $timeFactory, EventDispatcherInterface $eventDispatcher) {
 		$this->providerLoader = $providerLoader;
+		$this->providerRegistry = $providerRegistry;
+		$this->mandatoryTwoFactor = $mandatoryTwoFactor;
 		$this->session = $session;
 		$this->config = $config;
 		$this->activityManager = $activityManager;
@@ -90,7 +97,6 @@ class Manager {
 		$this->tokenProvider = $tokenProvider;
 		$this->timeFactory = $timeFactory;
 		$this->dispatcher = $eventDispatcher;
-		$this->providerRegistry = $providerRegistry;
 	}
 
 	/**
@@ -100,6 +106,10 @@ class Manager {
 	 * @return boolean
 	 */
 	public function isTwoFactorAuthenticated(IUser $user): bool {
+		if ($this->mandatoryTwoFactor->isEnforced()) {
+			return true;
+		}
+
 		$providerStates = $this->providerRegistry->getProviderStates($user);
 		$providers = $this->providerLoader->getProviders($user);
 		$fixedStates = $this->fixMissingProviderStates($providerStates, $providers, $user);
diff --git a/lib/private/Authentication/TwoFactorAuth/MandatoryTwoFactor.php b/lib/private/Authentication/TwoFactorAuth/MandatoryTwoFactor.php
new file mode 100644
index 00000000000..a23a10a1be6
--- /dev/null
+++ b/lib/private/Authentication/TwoFactorAuth/MandatoryTwoFactor.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2018 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\TwoFactorAuth;
+
+use OCP\IConfig;
+
+class MandatoryTwoFactor {
+
+	/** @var IConfig */
+	private $config;
+
+	public function __construct(IConfig $config) {
+		$this->config = $config;
+	}
+
+	public function isEnforced(): bool {
+		return $this->config->getSystemValue('twofactor_enforced', 'false') === 'true';
+	}
+
+	public function setEnforced(bool $enforced) {
+		$this->config->setSystemValue('twofactor_enforced', $enforced ? 'true' : 'false');
+	}
+
+}