Method WriteImage

internal/waf/captcha_generator.go:37–44

WriteImage write image to front writer

(w io.Writer, id string, width, height int)

// WriteImage write image to front writer
func (this *CaptchaGenerator) WriteImage(w io.Writer, id string, width, height int) error {
	var d = this.store.Get(id, false)
	if d == nil {
		return captcha.ErrNotFound
	}
	_, err := captcha.NewImage(id, d, width, height).WriteTo(w)
	return err
}

// Verify user input
func (this *CaptchaGenerator) Verify(id string, digits string) bool {