Merge pull request #7487 from nextcloud/no-password-confirm-with-sso

disable password confirmation with SSO

4 files changed, 99 insertions, 16 deletions

diff --git a/lib/private/AppFramework/DependencyInjection/DIContainer.php b/lib/private/AppFramework/DependencyInjection/DIContainer.php
index 0b6291d46de..612728d1356 100644
--- a/lib/private/AppFramework/DependencyInjection/DIContainer.php
+++ b/lib/private/AppFramework/DependencyInjection/DIContainer.php
@@ -54,6 +54,7 @@ use OCP\AppFramework\Http\IOutput;
 use OCP\AppFramework\IApi;
 use OCP\AppFramework\IAppContainer;
 use OCP\AppFramework\QueryException;
+use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\Files\Folder;
 use OCP\Files\IAppData;
 use OCP\GlobalScale\IConfig;
@@ -227,7 +228,6 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 				$server->getNavigationManager(),
 				$server->getURLGenerator(),
 				$server->getLogger(),
-				$server->getSession(),
 				$c['AppName'],
 				$app->isLoggedIn(),
 				$app->isAdminUser(),
@@ -236,7 +236,18 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 				$server->getContentSecurityPolicyNonceManager(),
 				$server->getAppManager()
 			);
+		});
+
+		$this->registerService(OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware::class, function ($c) use ($app) {
+			/** @var \OC\Server $server */
+			$server = $app->getServer();
 
+			return new OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware(
+				$c['ControllerMethodReflector'],
+				$server->getSession(),
+				$server->getUserSession(),
+				$server->query(ITimeFactory::class)
+			);
 		});
 
 		$this->registerService('BruteForceMiddleware', function($c) use ($app) {
@@ -309,6 +320,7 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 			$dispatcher->registerMiddleware($c['CORSMiddleware']);
 			$dispatcher->registerMiddleware($c['OCSMiddleware']);
 			$dispatcher->registerMiddleware($c['SecurityMiddleware']);
+			$dispatcher->registerMiddleware($c[OC\AppFramework\Middleware\Security\PasswordConfirmationMiddleware::class]);
 			$dispatcher->registerMiddleware($c['TwoFactorMiddleware']);
 			$dispatcher->registerMiddleware($c['BruteForceMiddleware']);
 			$dispatcher->registerMiddleware($c['RateLimitingMiddleware']);
diff --git a/lib/private/AppFramework/Middleware/Security/PasswordConfirmationMiddleware.php b/lib/private/AppFramework/Middleware/Security/PasswordConfirmationMiddleware.php
new file mode 100644
index 00000000000..463e7cd93c9
--- /dev/null
+++ b/lib/private/AppFramework/Middleware/Security/PasswordConfirmationMiddleware.php
@@ -0,0 +1,81 @@
+<?php
+/**
+ * @copyright 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 OC\AppFramework\Middleware\Security;
+
+use OC\AppFramework\Middleware\Security\Exceptions\NotConfirmedException;
+use OC\AppFramework\Utility\ControllerMethodReflector;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Middleware;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\ISession;
+use OCP\IUserSession;
+
+class PasswordConfirmationMiddleware extends Middleware {
+	/** @var ControllerMethodReflector */
+	private $reflector;
+	/** @var ISession */
+	private $session;
+	/** @var IUserSession */
+	private $userSession;
+	/** @var ITimeFactory */
+	private $timeFactory;
+
+	/**
+	 * PasswordConfirmationMiddleware constructor.
+	 *
+	 * @param ControllerMethodReflector $reflector
+	 * @param ISession $session
+	 * @param IUserSession $userSession
+	 * @param ITimeFactory $timeFactory
+	 */
+	public function __construct(ControllerMethodReflector $reflector,
+								ISession $session,
+								IUserSession $userSession,
+								ITimeFactory $timeFactory) {
+		$this->reflector = $reflector;
+		$this->session = $session;
+		$this->userSession = $userSession;
+		$this->timeFactory = $timeFactory;
+	}
+
+	/**
+	 * @param Controller $controller
+	 * @param string $methodName
+	 * @throws NotConfirmedException
+	 */
+	public function beforeController($controller, $methodName) {
+		if ($this->reflector->hasAnnotation('PasswordConfirmationRequired')) {
+			$user = $this->userSession->getUser();
+			$backendClassName = '';
+			if ($user !== null) {
+				$backendClassName = $user->getBackendClassName();
+			}
+
+			$lastConfirm = (int) $this->session->get('last-password-confirm');
+			// we can't check the password against a SAML backend, so skip password confirmation in this case
+			if ($backendClassName !== 'user_saml' && $lastConfirm < ($this->timeFactory->getTime() - (30 * 60 + 15))) { // allow 15 seconds delay
+				throw new NotConfirmedException();
+			}
+		}
+	}
+}
diff --git a/lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php b/lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php
index ecd7b1bad5e..c147b5b2475 100644
--- a/lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php
+++ b/lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php
@@ -33,7 +33,6 @@ namespace OC\AppFramework\Middleware\Security;
 use OC\AppFramework\Middleware\Security\Exceptions\AppNotEnabledException;
 use OC\AppFramework\Middleware\Security\Exceptions\CrossSiteRequestForgeryException;
 use OC\AppFramework\Middleware\Security\Exceptions\NotAdminException;
-use OC\AppFramework\Middleware\Security\Exceptions\NotConfirmedException;
 use OC\AppFramework\Middleware\Security\Exceptions\NotLoggedInException;
 use OC\AppFramework\Middleware\Security\Exceptions\StrictCookieMissingException;
 use OC\AppFramework\Utility\ControllerMethodReflector;
@@ -50,7 +49,6 @@ use OCP\AppFramework\Http\Response;
 use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\OCSController;
 use OCP\INavigationManager;
-use OCP\ISession;
 use OCP\IURLGenerator;
 use OCP\IRequest;
 use OCP\ILogger;
@@ -77,8 +75,6 @@ class SecurityMiddleware extends Middleware {
 	private $urlGenerator;
 	/** @var ILogger */
 	private $logger;
-	/** @var ISession */
-	private $session;
 	/** @var bool */
 	private $isLoggedIn;
 	/** @var bool */
@@ -98,7 +94,6 @@ class SecurityMiddleware extends Middleware {
 	 * @param INavigationManager $navigationManager
 	 * @param IURLGenerator $urlGenerator
 	 * @param ILogger $logger
-	 * @param ISession $session
 	 * @param string $appName
 	 * @param bool $isLoggedIn
 	 * @param bool $isAdminUser
@@ -112,21 +107,20 @@ class SecurityMiddleware extends Middleware {
 								INavigationManager $navigationManager,
 								IURLGenerator $urlGenerator,
 								ILogger $logger,
-								ISession $session,
 								$appName,
 								$isLoggedIn,
 								$isAdminUser,
 								ContentSecurityPolicyManager $contentSecurityPolicyManager,
 								CsrfTokenManager $csrfTokenManager,
 								ContentSecurityPolicyNonceManager $cspNonceManager,
-								IAppManager $appManager) {
+								IAppManager $appManager
+	) {
 		$this->navigationManager = $navigationManager;
 		$this->request = $request;
 		$this->reflector = $reflector;
 		$this->appName = $appName;
 		$this->urlGenerator = $urlGenerator;
 		$this->logger = $logger;
-		$this->session = $session;
 		$this->isLoggedIn = $isLoggedIn;
 		$this->isAdminUser = $isAdminUser;
 		$this->contentSecurityPolicyManager = $contentSecurityPolicyManager;
@@ -163,13 +157,6 @@ class SecurityMiddleware extends Middleware {
 			}
 		}
 
-		if ($this->reflector->hasAnnotation('PasswordConfirmationRequired')) {
-			$lastConfirm = (int) $this->session->get('last-password-confirm');
-			if ($lastConfirm < (time() - (30 * 60 + 15))) { // allow 15 seconds delay
-				throw new NotConfirmedException();
-			}
-		}
-
 		// Check for strict cookie requirement
 		if($this->reflector->hasAnnotation('StrictCookieRequired') || !$this->reflector->hasAnnotation('NoCSRFRequired')) {
 			if(!$this->request->passesStrictCookieCheck()) {
diff --git a/lib/private/Template/JSConfigHelper.php b/lib/private/Template/JSConfigHelper.php
index 551fc3b9b0d..bdb747e1c9f 100644
--- a/lib/private/Template/JSConfigHelper.php
+++ b/lib/private/Template/JSConfigHelper.php
@@ -101,8 +101,10 @@ class JSConfigHelper {
 
 		if ($this->currentUser !== null) {
 			$uid = $this->currentUser->getUID();
+			$userBackend = $this->currentUser->getBackendClassName();
 		} else {
 			$uid = null;
+			$userBackend = '';
 		}
 
 		// Get the config
@@ -147,6 +149,7 @@ class JSConfigHelper {
 		$array = [
 			"oc_debug" => $this->config->getSystemValue('debug', false) ? 'true' : 'false',
 			"oc_isadmin" => $this->groupManager->isAdmin($uid) ? 'true' : 'false',
+			"backendAllowsPasswordConfirmation" => $userBackend === 'user_saml'? 'false' : 'true',
 			"oc_dataURL" => is_string($dataLocation) ? "\"".$dataLocation."\"" : 'false',
 			"oc_webroot" => "\"".\OC::$WEBROOT."\"",
 			"oc_appswebroots" =>  str_replace('\\/', '/', json_encode($apps_paths)), // Ugly unescape slashes waiting for better solution