1 files changed, 118 insertions, 0 deletions
diff --git a/apps/encryption/lib/Controller/SettingsController.php b/apps/encryption/lib/Controller/SettingsController.php
new file mode 100644
index 00000000000..8548ea51c04
--- /dev/null
+++ b/apps/encryption/lib/Controller/SettingsController.php
@@ -0,0 +1,118 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2019-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OCA\Encryption\Controller;
+
+use OCA\Encryption\Crypto\Crypt;
+use OCA\Encryption\KeyManager;
+use OCA\Encryption\Session;
+use OCA\Encryption\Util;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\NoAdminRequired;
+use OCP\AppFramework\Http\Attribute\UseSession;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\IL10N;
+use OCP\IRequest;
+use OCP\ISession;
+use OCP\IUserManager;
+use OCP\IUserSession;
+
+class SettingsController extends Controller {
+
+	/**
+	 * @param string $AppName
+	 * @param IRequest $request
+	 * @param IL10N $l
+	 * @param IUserManager $userManager
+	 * @param IUserSession $userSession
+	 * @param KeyManager $keyManager
+	 * @param Crypt $crypt
+	 * @param Session $session
+	 * @param ISession $ocSession
+	 * @param Util $util
+	 */
+	public function __construct(
+		$AppName,
+		IRequest $request,
+		private IL10N $l,
+		private IUserManager $userManager,
+		private IUserSession $userSession,
+		private KeyManager $keyManager,
+		private Crypt $crypt,
+		private Session $session,
+		private ISession $ocSession,
+		private Util $util,
+	) {
+		parent::__construct($AppName, $request);
+	}
+
+
+	/**
+	 * @param string $oldPassword
+	 * @param string $newPassword
+	 * @return DataResponse
+	 */
+	#[NoAdminRequired]
+	#[UseSession]
+	public function updatePrivateKeyPassword($oldPassword, $newPassword) {
+		$result = false;
+		$uid = $this->userSession->getUser()->getUID();
+		$errorMessage = $this->l->t('Could not update the private key password.');
+
+		//check if password is correct
+		$passwordCorrect = $this->userManager->checkPassword($uid, $newPassword);
+		if ($passwordCorrect === false) {
+			// if check with uid fails we need to check the password with the login name
+			// e.g. in the ldap case. For local user we need to check the password with
+			// the uid because in this case the login name is case insensitive
+			$loginName = $this->ocSession->get('loginname');
+			$passwordCorrect = $this->userManager->checkPassword($loginName, $newPassword);
+		}
+
+		if ($passwordCorrect !== false) {
+			$encryptedKey = $this->keyManager->getPrivateKey($uid);
+			$decryptedKey = $this->crypt->decryptPrivateKey($encryptedKey, $oldPassword, $uid);
+
+			if ($decryptedKey) {
+				$encryptedKey = $this->crypt->encryptPrivateKey($decryptedKey, $newPassword, $uid);
+				$header = $this->crypt->generateHeader();
+				if ($encryptedKey) {
+					$this->keyManager->setPrivateKey($uid, $header . $encryptedKey);
+					$this->session->setPrivateKey($decryptedKey);
+					$result = true;
+				}
+			} else {
+				$errorMessage = $this->l->t('The old password was not correct, please try again.');
+			}
+		} else {
+			$errorMessage = $this->l->t('The current log-in password was not correct, please try again.');
+		}
+
+		if ($result === true) {
+			$this->session->setStatus(Session::INIT_SUCCESSFUL);
+			return new DataResponse(
+				['message' => $this->l->t('Private key password successfully updated.')]
+			);
+		} else {
+			return new DataResponse(
+				['message' => $errorMessage],
+				Http::STATUS_BAD_REQUEST
+			);
+		}
+	}
+
+	/**
+	 * @param bool $encryptHomeStorage
+	 * @return DataResponse
+	 */
+	#[UseSession]
+	public function setEncryptHomeStorage($encryptHomeStorage) {
+		$this->util->setEncryptHomeStorage($encryptHomeStorage);
+		return new DataResponse();
+	}
+}