Merge pull request #48915 from nextcloud/fix/encrypt-decrypt-password

2 files changed, 15 insertions, 3 deletions

diff --git a/lib/private/Authentication/LoginCredentials/Store.php b/lib/private/Authentication/LoginCredentials/Store.php
index bd39dd11460..b6f22ce345f 100644
--- a/lib/private/Authentication/LoginCredentials/Store.php
+++ b/lib/private/Authentication/LoginCredentials/Store.php
@@ -8,6 +8,7 @@ declare(strict_types=1);
  */
 namespace OC\Authentication\LoginCredentials;
 
+use Exception;
 use OC\Authentication\Exceptions\PasswordlessTokenException;
 use OC\Authentication\Token\IProvider;
 use OCP\Authentication\Exceptions\CredentialsUnavailableException;
@@ -15,6 +16,7 @@ use OCP\Authentication\Exceptions\InvalidTokenException;
 use OCP\Authentication\LoginCredentials\ICredentials;
 use OCP\Authentication\LoginCredentials\IStore;
 use OCP\ISession;
+use OCP\Security\ICrypto;
 use OCP\Session\Exceptions\SessionNotAvailableException;
 use OCP\Util;
 use Psr\Log\LoggerInterface;
@@ -29,9 +31,12 @@ class Store implements IStore {
 	/** @var IProvider|null */
 	private $tokenProvider;
 
-	public function __construct(ISession $session,
+	public function __construct(
+		ISession $session,
 		LoggerInterface $logger,
-		?IProvider $tokenProvider = null) {
+		private readonly ICrypto $crypto,
+		?IProvider $tokenProvider = null,
+	) {
 		$this->session = $session;
 		$this->logger = $logger;
 		$this->tokenProvider = $tokenProvider;
@@ -45,6 +50,7 @@ class Store implements IStore {
 	 * @param array $params
 	 */
 	public function authenticate(array $params) {
+		$params['password'] = $this->crypto->encrypt((string)$params['password']);
 		$this->session->set('login_credentials', json_encode($params));
 	}
 
@@ -91,6 +97,11 @@ class Store implements IStore {
 		if ($trySession && $this->session->exists('login_credentials')) {
 			/** @var array $creds */
 			$creds = json_decode($this->session->get('login_credentials'), true);
+			try {
+				$creds['password'] = $this->crypto->decrypt($creds['password']);
+			} catch (Exception $e) {
+				//decryption failed, continue with old password as it is
+			}
 			return new Credentials(
 				$creds['uid'],
 				$creds['loginName'] ?? $this->session->get('loginname') ?? $creds['uid'], // Pre 20 didn't have a loginName property, hence fall back to the session value and then to the UID
diff --git a/lib/private/Server.php b/lib/private/Server.php
index 0016e2bbb7a..27a5f2662f8 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -451,7 +451,8 @@ class Server extends ServerContainer implements IServerContainer {
 				$tokenProvider = null;
 			}
 			$logger = $c->get(LoggerInterface::class);
-			return new Store($session, $logger, $tokenProvider);
+			$crypto = $c->get(ICrypto::class);
+			return new Store($session, $logger, $crypto, $tokenProvider);
 		});
 		$this->registerAlias(IStore::class, Store::class);
 		$this->registerAlias(IProvider::class, Authentication\Token\Manager::class);