Merge pull request #868 from nextcloud/changepasswordcontroller

Make ChangePassword a real Controller

1 files changed, 253 insertions, 0 deletions

diff --git a/settings/Controller/ChangePasswordController.php b/settings/Controller/ChangePasswordController.php
new file mode 100644
index 00000000000..74abd8b57d3
--- /dev/null
+++ b/settings/Controller/ChangePasswordController.php
@@ -0,0 +1,253 @@
+<?php
+/**
+ *
+ * @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\Settings\Controller;
+
+use OCP\App\IAppManager;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\JSONResponse;
+use OCP\IGroupManager;
+use OCP\IL10N;
+use OCP\IRequest;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\IUserSession;
+
+class ChangePasswordController extends Controller {
+
+	/** @var string */
+	private $userId;
+
+	/** @var IUserManager */
+	private $userManager;
+
+	/** @var IL10N */
+	private $l;
+
+	/** @var IGroupManager */
+	private $groupManager;
+
+	/** @var IUserSession */
+	private $userSession;
+
+	/** @var IAppManager */
+	private $appManager;
+
+	/**
+	 * ChangePasswordController constructor.
+	 *
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param $userId
+	 * @param IUserManager $userManager
+	 * @param IUserSession $userSession
+	 * @param IGroupManager $groupManager
+	 * @param IAppManager $appManager
+	 * @param IL10N $l
+	 */
+	public function __construct($appName,
+								IRequest $request,
+								$userId,
+								IUserManager $userManager,
+								IUserSession $userSession,
+								IGroupManager $groupManager,
+								IAppManager $appManager,
+								IL10N $l) {
+		parent::__construct($appName, $request);
+
+		$this->userId = $userId;
+		$this->userManager = $userManager;
+		$this->userSession = $userSession;
+		$this->groupManager = $groupManager;
+		$this->appManager = $appManager;
+		$this->l = $l;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param string $oldpassword
+	 * @param string $newpassword
+	 *
+	 * @return JSONResponse
+	 */
+	public function changePersonalPassword($oldpassword = '', $newpassword = null) {
+		$user = $this->userManager->checkPassword($this->userId, $oldpassword);
+		if ($user === false) {
+			return new JSONResponse([
+				'status' => 'error',
+				'data' => [
+					'message' => $this->l->t('Wrong password'),
+				],
+			]);
+		}
+
+		/** @var IUser $user */
+		if ($newpassword === null || $user->setPassword($newpassword) === false) {
+			return new JSONResponse([
+				'status' => 'error'
+			]);
+		}
+
+		$this->userSession->updateSessionTokenPassword($newpassword);
+
+		return new JSONResponse([
+			'status' => 'success',
+			'data' => [
+				'message' => $this->l->t('Saved'),
+			],
+		]);
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param string $username
+	 * @param string $password
+	 * @param string $recoveryPassword
+	 *
+	 * @return JSONResponse
+	 */
+	public function changeUserPassword($username = null, $password = null, $recoveryPassword = null) {
+		if ($username === null) {
+			return new JSONResponse([
+				'status' => 'error',
+				'data' => [
+					'message' => $this->l->t('No user supplied'),
+				],
+			]);
+		}
+
+		if ($password === null) {
+			return new JSONResponse([
+				'status' => 'error',
+				'data' => [
+					'message' => $this->l->t('Unable to change password'),
+				],
+			]);
+		}
+
+		$currentUser = $this->userSession->getUser();
+		$targetUser = $this->userManager->get($username);
+		if ($currentUser === null || $targetUser === null ||
+			!($this->groupManager->isAdmin($this->userId) ||
+			 $this->groupManager->getSubAdmin()->isUserAccessible($currentUser, $targetUser))
+		) {
+			return new JSONResponse([
+				'status' => 'error',
+				'data' => [
+					'message' => $this->l->t('Authentication error'),
+				],
+			]);
+		}
+
+		if ($this->appManager->isEnabledForUser('encryption')) {
+			//handle the recovery case
+			$crypt = new \OCA\Encryption\Crypto\Crypt(
+				\OC::$server->getLogger(),
+				\OC::$server->getUserSession(),
+				\OC::$server->getConfig(),
+				\OC::$server->getL10N('encryption'));
+			$keyStorage = \OC::$server->getEncryptionKeyStorage();
+			$util = new \OCA\Encryption\Util(
+				new \OC\Files\View(),
+				$crypt,
+				\OC::$server->getLogger(),
+				\OC::$server->getUserSession(),
+				\OC::$server->getConfig(),
+				\OC::$server->getUserManager());
+			$keyManager = new \OCA\Encryption\KeyManager(
+				$keyStorage,
+				$crypt,
+				\OC::$server->getConfig(),
+				\OC::$server->getUserSession(),
+				new \OCA\Encryption\Session(\OC::$server->getSession()),
+				\OC::$server->getLogger(),
+				$util);
+			$recovery = new \OCA\Encryption\Recovery(
+				\OC::$server->getUserSession(),
+				$crypt,
+				\OC::$server->getSecureRandom(),
+				$keyManager,
+				\OC::$server->getConfig(),
+				$keyStorage,
+				\OC::$server->getEncryptionFilesHelper(),
+				new \OC\Files\View());
+			$recoveryAdminEnabled = $recovery->isRecoveryKeyEnabled();
+
+			$validRecoveryPassword = false;
+			$recoveryEnabledForUser = false;
+			if ($recoveryAdminEnabled) {
+				$validRecoveryPassword = $keyManager->checkRecoveryPassword($recoveryPassword);
+				$recoveryEnabledForUser = $recovery->isRecoveryEnabledForUser($username);
+			}
+
+			if ($recoveryEnabledForUser && $recoveryPassword === '') {
+				return new JSONResponse([
+					'status' => 'error',
+					'data' => [
+						'message' => $this->l->t('Please provide an admin recovery password, otherwise all user data will be lost'),
+					]
+				]);
+			} elseif ($recoveryEnabledForUser && ! $validRecoveryPassword) {
+				return new JSONResponse([
+					'status' => 'error',
+					'data' => [
+						'message' => $this->l->t('Wrong admin recovery password. Please check the password and try again.'),
+					]
+				]);
+			} else { // now we know that everything is fine regarding the recovery password, let's try to change the password
+				$result = $targetUser->setPassword($password, $recoveryPassword);
+				if (!$result && $recoveryEnabledForUser) {
+					return new JSONResponse([
+						'status' => 'error',
+						'data' => [
+							'message' => $this->l->t('Backend doesn\'t support password change, but the user\'s encryption key was successfully updated.'),
+						]
+					]);
+				} elseif (!$result && !$recoveryEnabledForUser) {
+					return new JSONResponse([
+						'status' => 'error',
+						'data' => [
+							'message' => $this->l->t('Unable to change password'),
+						]
+					]);
+				}
+			}
+		} else {
+			if ($targetUser->setPassword($password) === false) {
+				return new JSONResponse([
+					'status' => 'error',
+					'data' => [
+						'message' => $this->l->t('Unable to change password'),
+					],
+				]);
+			}
+		}
+
+		return new JSONResponse([
+			'status' => 'success',
+			'data' => [
+				'username' => $username,
+			],
+		]);
+	}
+}