gistfile1.go

// Make sure the caller actually has the authority to call these methods.
    handler.MapBefore([]string{"GET", "DELETE"}, "token", func(c context.Context) (error) {
        // TODO: Figure out if this is the right way to preempt processing of a request.

        // Check to see if this token is a supertoken.
        if token, ok := c.Data()["Token"].(*ManagedToken); !ok {
            goweb.API.RespondWithError(c, 500, "Internal authorization failure")
            return fmt.Errorf("Failed to extract authorization token from request - this is bad/not right.")
        } else {
            if !token.Super {
                goweb.API.RespondWithError(c, 401, "You are not authorized to call these methods.")
                return fmt.Errorf("Request tried to execute supertoken-level methods without supertoken")
            }

            return nil
        }
    })