/**
 * @author DiZed Team
 * @copyright Copyright (c) DiZed Team (https://github.com/di-zed/)
 */
import { NextFunction, Request, Response } from 'express';
/**
 * Authorization Controller.
 */
export default class AuthController {
    /**
     * Protect Middleware.
     *
     * @param req
     * @param res
     * @param next
     * @returns void
     */
    protect(req: Request, res: Response, next: NextFunction): Promise<void>;
    /**
     * GET Method.
     * Get Login Form.
     * https://yandex.ru/dev/dialogs/alice/doc/auth/how-it-works.html?lang=en
     *
     * @param req
     * @param res
     * @param next
     * @returns void
     */
    login(req: Request, res: Response, next: NextFunction): Promise<void>;
    /**
     * POST Method.
     * Authorization Action.
     * https://yandex.ru/dev/dialogs/alice/doc/auth/how-it-works.html?lang=en#authorization
     *
     * @param req
     * @param res
     * @param next
     * @returns void
     */
    loginPost(req: Request, res: Response, next: NextFunction): Promise<void>;
    /**
     * POST Method.
     * Get Token Information.
     * https://yandex.ru/dev/dialogs/alice/doc/auth/how-it-works.html?lang=en
     *
     * This example shows getting an OAuth token in the web service.
     * https://yandex.ru/dev/direct/doc/examples-v5/php5-file_get_contents-token.html?lang=en
     *
     * @param req
     * @param res
     * @param next
     * @returns Response
     */
    token(req: Request, res: Response, next: NextFunction): Promise<Response | void>;
    /**
     * Get Auth Parameters.
     *
     * @param data
     * @returns AuthParams
     * @protected
     */
    protected getAuthParams(data: any): AuthParams;
    /**
     * Is the Authentication Request valid?
     *
     * @param authParams
     * @returns boolean
     * @protected
     */
    protected isAuthRequestValid(authParams: AuthParams): boolean;
    /**
     * Sign Token.
     *
     * @param appId
     * @param userId
     * @param expiresIn
     * @returns string
     * @protected
     */
    protected signToken(appId: number, userId: string | number, expiresIn: string): string;
    /**
     * Verify Token.
     *
     * @param token
     * @returns Promise<TokenData>
     * @protected
     */
    protected verifyToken(token: string): Promise<TokenData>;
}
/**
 * Auth Params Type.
 * https://yandex.ru/dev/dialogs/alice/doc/auth/how-it-works.html?lang=en#authorization
 */
type AuthParams = {
    /**
     * Authorization state.
     * It is generated by Yandex Dialogs to track the authorization process.
     * The authorization server must return the same value in this parameter to Yandex Dialogs.
     */
    state: string;
    /**
     * The page where the authorized user is redirected (the redirect endpoint).
     */
    redirect_uri: string;
    /**
     * Authorization type. Accepts the "code" value.
     */
    response_type: string;
    /**
     * The ID of your OAuth app.
     */
    client_id: string;
    /**
     * An access scope to be granted to the requested OAuth tokens (the access token scope).
     * For example: "read", "home:lights". To specify multiple accesses, separate them with "&".
     */
    scope: string;
};
/**
 * The Token Data Type.
 */
type TokenData = {
    /**
     * Application ID.
     */
    appId: number;
    /**
     * User ID.
     */
    userId: string | number;
};
export {};