70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
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package api
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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)
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func verifyCaptcha(secret, response string) error {
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verifyURL := "https://hcaptcha.com/siteverify"
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body := strings.NewReader("secret=" + secret + "&response=" + response)
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req, err := http.NewRequest("POST", verifyURL, body)
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return err
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}
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jsonResponse := struct {
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Success bool `json:"success"`
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}{}
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err = json.NewDecoder(resp.Body).Decode(&jsonResponse)
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if err != nil {
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return err
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}
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if !jsonResponse.Success {
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return fmt.Errorf("hcaptcha verification failed")
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}
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defer resp.Body.Close()
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return nil
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}
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func CaptchaArgsContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
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return func(success Continuation, failure Continuation) ContinuationChain {
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(*context.TemplateData)["HcaptchaArgs"] = HcaptchaArgs{
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SiteKey: context.Args.HcaptchaSiteKey,
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}
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return success(context, req, resp)
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}
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}
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func CaptchaVerificationContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
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return func(success Continuation, failure Continuation) ContinuationChain {
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hCaptchaResponse := req.FormValue("h-captcha-response")
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secretKey := context.Args.HcaptchaSecret
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err := verifyCaptcha(secretKey, hCaptchaResponse)
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if err != nil {
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(*context.TemplateData)["FormError"] = FormError{
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Errors: []string{"hCaptcha verification failed"},
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}
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resp.WriteHeader(http.StatusBadRequest)
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return failure(context, req, resp)
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}
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return success(context, req, resp)
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}
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}
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