import { Request } from 'express';
/**
 * Authentication challenge stored in database
 */
export interface Challenge {
    id: string;
    did: string;
    nonce: string;
    expiresAt: Date;
    used: boolean;
    createdAt: Date;
}
/**
 * JWT payload for authenticated sessions
 */
export interface JWTPayload {
    sub: string;
    scope: string;
    iss: string;
    iat: number;
    exp: number;
}
/**
 * Extended Express Request with authenticated user info
 */
export interface AuthenticatedRequest extends Request {
    auth?: {
        did: string;
        scope: string;
        issuer: string;
        issuedAt: number;
        expiresAt: number;
    };
}
/**
 * Challenge storage adapter interface
 * Implement this interface to support different databases
 */
export interface ChallengeAdapter {
    /**
     * Store a new challenge
     */
    createChallenge(challenge: Challenge): Promise<void>;
    /**
     * Get a challenge by ID
     */
    getChallenge(id: string): Promise<Challenge | null>;
    /**
     * Mark a challenge as used
     */
    markChallengeUsed(id: string): Promise<void>;
    /**
     * Clean up expired challenges
     */
    cleanupExpired(): Promise<void>;
    /**
     * Close database connection (if applicable)
     */
    close?(): Promise<void>;
}
/**
 * Server configuration options
 */
export interface ServerConfig {
    /**
     * Port to listen on
     */
    port: number;
    /**
     * JWT secret for signing tokens
     */
    jwtSecret: string;
    /**
     * JWT issuer (your server's identifier)
     */
    jwtIssuer: string;
    /**
     * JWT expiration time in seconds
     */
    jwtExpiresIn: number;
    /**
     * Challenge expiration time in seconds
     */
    challengeExpiresIn: number;
    /**
     * Audience identifier
     */
    audience: string;
    /**
     * Domain for authentication
     */
    domain: string;
    /**
     * Challenge adapter
     */
    adapter: ChallengeAdapter;
    /**
     * Enable CORS
     */
    cors?: boolean;
    /**
     * CORS origin (if cors is enabled)
     */
    corsOrigin?: string | string[];
}
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