import { Request , Response } from 'node-fetch' ; import { JwtVerifier , JwtVerifierOptions , getTokenFromHeader , JwtVerifierError } from '@serverless-jwt/jwt-verifier' ; export interface CloudflareAuthenticatedWorker { ( identityContext , request ) : Promise < Response > ; } interface CloudflareJwtVerifier { ( handler ) : ( request : Request ) => Promise < Response > ; } interface CloudflareJwtVerifierOptions extends JwtVerifierOptions { /**
     * Customize how errors are handled.
     */ handleError ? ( err ) : Response ; } export interface IdentityContext { /**
     * The token that was provided.
     */ token : string ; /**
     * Claims for the authenticated user.
     */ claims : Record < string , unknown > ; } param statusCode param body export const json = ( statusCode , body ) : Response => { return new Response ( JSON . stringify ( body ) , { status : statusCode , headers : { 'content-type' : 'application/json;charset=UTF-8' } } ) ; } ; /**
 * Middleware to validate a token and set the user context.
 */ const validateJWT = ( verifier , options ) => { return ( handler ) => async ( request ) : Promise < Response > => { let claims ; let accessToken ; try { accessToken = getTokenFromHeader ( request . headers . get ( 'Authorization' ) as string ) ; claims = await verifier . verifyAccessToken ( accessToken ) ; } catch ( err ) { if ( typeof options . handleError !== 'undefined' && options . handleError !== null ) { return options . handleError ( err ) ; } return json ( 401 , { error : err . code , error_description : err . message } ) ; } const ctx = { token : accessToken , claims } ; return handler ( ctx , request ) ; } ; } ; param options export const CloudflareJwtVerifier = ( options ) : CloudflareJwtVerifier => { const verifier = new JwtVerifier ( options ) ; return validateJWT ( verifier , options ) ; } ; export { claimToArray , removeNamespaces , getTokenFromHeader } from '@serverless-jwt/jwt-verifier' ;