// GET /captcha/new
func GetCaptcha(ctx *macaron.Context, cpt *captcha.Captcha, cache cache.Cache) {
// only allow 10 times request in one second
cip := ctx.RemoteAddr()
times, _ := cache.Get(cip).(int)
if times > 10 {
ctx.Status(http.StatusForbidden)
return
}
cache.Put(cip, times+1, 1)
// create the captcha
v, err := cpt.CreateCaptcha()
if err != nil {
panic(fmt.Errorf("fail to create captcha: %v", err))
}
rsp := &rest.CaptchaRsp{
cpt.FieldIdName,
v,
fmt.Sprintf("%s%s%s.png", cpt.SubURL, cpt.URLPrefix, v),
}
ctx.JSON(http.StatusOK, rsp)
}
func NewCaptcha(cpt *captcha.Captcha) *CaptchaInfo {
cptvalue, err := cpt.CreateCaptcha()
if err != nil {
return nil
}
return &CaptchaInfo{
CaptchaId: cptvalue,
CaptchaUrl: fmt.Sprintf("%s%s%s.png", cpt.SubURL, cpt.URLPrefix, cptvalue),
}
}