/// <reference types="express-serve-static-core" />
/// <reference types="passport" />
/// <reference types="request-ip" />
import { IResponseErrorForbiddenNotAuthorized, IResponseErrorInternal, IResponseErrorValidation, IResponsePermanentRedirect } from "@pagopa/ts-commons/lib/responses";
import * as express from "express";
import * as T from "fp-ts/lib/Task";
import * as t from "io-ts";
import { SamlConfig } from "passport-saml";
import { RedisClientType, RedisClusterType } from "redis";
import { SPID_LEVELS } from "./config";
import { noopCacheProvider } from "./strategy/redis_cache_provider";
import { IServiceProviderConfig } from "./utils/middleware";
export type AssertionConsumerServiceT<T extends Record<string, unknown>> = (userPayload: unknown, extraLoginRequestParams?: T) => Promise<IResponseErrorInternal | IResponseErrorValidation | IResponsePermanentRedirect | IResponseErrorForbiddenNotAuthorized>;
export type LogoutT = () => Promise<IResponsePermanentRedirect>;
export type DoneCallbackT<T extends Record<string, unknown>> = (sourceIp: string | null, request: string, response: string, extraLoginRequest?: T) => void;
export interface IEventInfo {
    readonly name: string;
    readonly type: "ERROR" | "INFO";
    readonly data: {
        readonly [key: string]: string;
        readonly message: string;
    };
}
export type EventTracker = (params: IEventInfo) => void;
export interface IExtraLoginRequestParamConfig<T extends Record<string, unknown>> {
    readonly codec: t.Type<T>;
    readonly requestMapper: (req: express.Request) => t.Validation<T>;
}
export interface IApplicationConfig<T extends Record<string, unknown> = Record<string, never>, R = T extends Record<string, never> ? undefined : T extends Record<string, unknown> ? IExtraLoginRequestParamConfig<T> : never> {
    readonly assertionConsumerServicePath: string;
    readonly clientErrorRedirectionUrl: string;
    readonly clientLoginRedirectionUrl: string;
    readonly loginPath: string;
    readonly metadataPath: string;
    readonly sloPath: string;
    readonly spidLevelsWhitelist: ReadonlyArray<keyof SPID_LEVELS>;
    readonly startupIdpsMetadata?: Record<string, string>;
    readonly eventTraker?: EventTracker;
    readonly hasClockSkewLoggingEvent?: boolean;
    readonly extraLoginRequestParamConfig?: R;
}
export { noopCacheProvider, IServiceProviderConfig, SamlConfig };
/**
 * Wraps assertion consumer service handler
 * with SPID authentication and redirects.
 */
export declare const withSpidAuthMiddleware: <T extends Record<string, unknown>>(acs: AssertionConsumerServiceT<T>, clientLoginRedirectionUrl: string, clientErrorRedirectionUrl: string, extraRequestParamsCodec?: t.Type<T, T, unknown> | undefined) => (req: express.Request, res: express.Response, next: express.NextFunction) => void;
type ExpressMiddleware = (req: express.Request, res: express.Response, next: express.NextFunction) => void;
interface IWithSpidT<T extends Record<string, unknown> = Record<string, never>> {
    readonly appConfig: IApplicationConfig<T>;
    readonly samlConfig: SamlConfig;
    readonly serviceProviderConfig: IServiceProviderConfig;
    readonly redisClient: RedisClientType | RedisClusterType;
    readonly app: express.Express;
    readonly acs: AssertionConsumerServiceT<T>;
    readonly logout: LogoutT;
    readonly doneCb?: DoneCallbackT<T>;
    readonly lollipopMiddleware?: ExpressMiddleware;
}
/**
 * Apply SPID authentication middleware
 * to an express application.
 */
export declare const withSpid: <T extends Record<string, unknown> = Record<string, never>>({ acs, app, appConfig, doneCb, logout, redisClient, samlConfig, serviceProviderConfig, lollipopMiddleware, }: IWithSpidT<T>) => T.Task<{
    readonly app: express.Express;
    readonly idpMetadataRefresher: () => T.Task<void>;
}>;