}
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 {