auth

type Authenticator interface {
	// GetUsers returns a Map with all the users and their corresponding passwords.
	GetUsers() *xsync.MapOf[string, string]
	// Validate is called on an HTTP API request and returns the user's name if request is authenticated.
	Validate(w http.ResponseWriter, r *http.Request) string
	// Login allows logging in a user and returning the token.
	Login(username string, password string) (string, error)
	// Logout allows logging out of a user and deleting the token from the server.
	Logout(token string) (bool, error)
	// Close closes the authenticator. Once closed, the authenticator should not be used.
	Close() error
}

type MemoryAuthenticator struct {
	Users  *xsync.MapOf[string, string]
	Tokens *xsync.MapOf[string, string]
}

type RedisAuthenticator struct {
	Users *xsync.MapOf[string, string]
	Redis *redis.Pool
	URL   string
}

type ReplaceableAuthenticator struct {
	Engine      Authenticator
	EngineMutex sync.RWMutex
}