nextcloud/apps/files_encryption/ajax/changeRecoveryPassword.php

92 lines
3.2 KiB
PHP

<?php
/**
* @author Bjoern Schiessle <schiessle@owncloud.com>
* @author Björn Schießle <schiessle@owncloud.com>
* @author Christopher Schäpers <kondou@ts.unde.re>
* @author Florin Peter <github@florin-peter.de>
* @author Joas Schilling <nickvergessen@gmx.de>
* @author Lukas Reschke <lukas@owncloud.com>
* @author Robin Appelman <icewind@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
\OCP\JSON::checkAdminUser();
\OCP\JSON::checkAppEnabled('files_encryption');
\OCP\JSON::callCheck();
$l = \OC::$server->getL10N('core');
$return = false;
$oldPassword = (string)$_POST['oldPassword'];
$newPassword = (string)$_POST['newPassword'];
$confirmPassword = (string)$_POST['confirmPassword'];
//check if both passwords are the same
if (empty($_POST['oldPassword'])) {
$errorMessage = $l->t('Please provide the old recovery password');
\OCP\JSON::error(array('data' => array('message' => $errorMessage)));
exit();
}
if (empty($_POST['newPassword'])) {
$errorMessage = $l->t('Please provide a new recovery password');
\OCP\JSON::error(array('data' => array('message' => $errorMessage)));
exit();
}
if (empty($_POST['confirmPassword'])) {
$errorMessage = $l->t('Please repeat the new recovery password');
\OCP\JSON::error(array('data' => array('message' => $errorMessage)));
exit();
}
if ($_POST['newPassword'] !== $_POST['confirmPassword']) {
$errorMessage = $l->t('Repeated recovery key password does not match the provided recovery key password');
\OCP\JSON::error(array('data' => array('message' => $errorMessage)));
exit();
}
$view = new \OC\Files\View('/');
$util = new \OCA\Files_Encryption\Util(new \OC\Files\View('/'), \OCP\User::getUser());
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
$keyId = $util->getRecoveryKeyId();
$encryptedRecoveryKey = \OCA\Files_Encryption\Keymanager::getPrivateSystemKey($keyId);
$decryptedRecoveryKey = $encryptedRecoveryKey ? \OCA\Files_Encryption\Crypt::decryptPrivateKey($encryptedRecoveryKey, $oldPassword) : false;
if ($decryptedRecoveryKey) {
$cipher = \OCA\Files_Encryption\Helper::getCipher();
$encryptedKey = \OCA\Files_Encryption\Crypt::symmetricEncryptFileContent($decryptedRecoveryKey, $newPassword, $cipher);
if ($encryptedKey) {
\OCA\Files_Encryption\Keymanager::setPrivateSystemKey($encryptedKey, $keyId);
$return = true;
}
}
\OC_FileProxy::$enabled = $proxyStatus;
// success or failure
if ($return) {
\OCP\JSON::success(array('data' => array('message' => $l->t('Password successfully changed.'))));
} else {
\OCP\JSON::error(array('data' => array('message' => $l->t('Could not change the password. Maybe the old password was not correct.'))));
}