auth-register-filter.swift

// Authorization.
var routesWithAuthorization = Routes()
routesWithAuthorization.configure(routesWithAuthorization: controllers)

let requestFilters: [(HTTPRequestFilter, HTTPFilterPriority)] = [
    (AuthenticationFilter(secret: configuration.secret, routesWithAuthorization: routesWithAuthorization), HTTPFilterPriority.high)
]

do {
    // Launch the HTTP server.
    try HTTPServer.launch(
        .server(
            name: configuration.serverName,
            port: configuration.serverPort,
            routes: allRoutes,
            requestFilters: requestFilters
        )
    )
} catch {
    fatalError("\(error)") // fatal error launching one of the servers
}