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@@ -52,6 +52,7 @@ func RandLightColor(n int) color.RGBA {
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}
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}
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func Get(sess *httpsession.Session, checkCode string, w http.ResponseWriter, r *http.Request) {
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func Get(sess *httpsession.Session, checkCode string, w http.ResponseWriter, r *http.Request) {
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+
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code := RandText(4)
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code := RandText(4)
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log.Println(code)
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log.Println(code)
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cacheKey := fmt.Sprintf("captcha_times_%s", sess.Id())
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cacheKey := fmt.Sprintf("captcha_times_%s", sess.Id())
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@@ -104,5 +105,9 @@ func Get(sess *httpsession.Session, checkCode string, w http.ResponseWriter, r *
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times++
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times++
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redis.Put("other", cacheKey, times, int(ttl))
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redis.Put("other", cacheKey, times, int(ttl))
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sess.Set(checkCode, code)
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sess.Set(checkCode, code)
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+ w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
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+ w.Header().Set("Pragma", "no-cache")
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+ w.Header().Set("Expires", "0")
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+ w.Header().Set("Content-Type", "image/png")
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_ = captchaImage.Encode(w, ImageFormatJpeg)
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_ = captchaImage.Encode(w, ImageFormatJpeg)
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}
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}
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