auth

type Authenticator interface {
	// Authenticates the current user.
	Authenticate(*http.Request) (Identity, error)

	// Challenge generates challenges upon authentication failure.
	Challenge(http.ResponseWriter)
}

type Identity interface {
	GetID() string
}

type IdentityStore interface {
	// Gets identity by ID.
	GetIdentity(id string) (Identity, error)

	// Gets identity by the given token and token type.
	GetIdentityByToken(token string, tokenType interface{}) (Identity, error)
}