authlimit

package

v0.1.1 Latest Latest Go to latest Published: Oct 27, 2026 License: MIT-0 Imports: 2 Imported by: 0

Details

Package authlimit provides a small in-memory login failure limiter.

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type Limiter struct {
	// contains filtered or unexported fields
}

Limiter blocks repeated failed logins for the same key within a window.

func New(max int, window time.Duration) *Limiter

New returns a limiter that blocks after max failures within window.

func (l *Limiter) Allowed(key string) bool

Allowed reports whether key may attempt authentication now.

func (l *Limiter) Failure(key string)

Failure records a failed attempt.

func (l *Limiter) Success(key string)

Success clears the failure history for key.