1+ package utils
2+ 3+ import (
4+ "encoding/json"
5+ "errors"
6+ "github.com/blobs-io/blobsgame/utils/config"
7+ "io/ioutil"
8+ "net/http"
9+ )
10+ 11+ const (
12+ RecaptchaEndpoint = "https://www.google.com/recaptcha/api/siteverify"
13+ )
14+ 15+ type RecaptchaResponseBody struct {
16+ Success bool `json:"success"`
17+ ChallengeTimestamp string `json:"challenge_ts"`
18+ Hostname string `json:"hostname"`
19+ Score float32 `json:"score"`
20+ Action string `json:"action"`
21+ }
22+ 23+ func RateCaptcha (token string ) (RecaptchaResponseBody , error ) {
24+ req , err := http .Get (RecaptchaEndpoint + "?secret=" + config .MainConfig .Tokens .Recaptcha + "&response=" + token )
25+ if err != nil {
26+ return RecaptchaResponseBody {}, err
27+ }
28+ defer req .Body .Close ()
29+ if req .StatusCode >= 400 {
30+ return RecaptchaResponseBody {}, errors .New ("an unknown error occurred" )
31+ }
32+ 33+ resp , err := ioutil .ReadAll (req .Body )
34+ if err != nil {
35+ return RecaptchaResponseBody {}, err
36+ }
37+ 38+ var respBody RecaptchaResponseBody
39+ err = json .Unmarshal (resp , & respBody )
40+ if err != nil {
41+ return RecaptchaResponseBody {}, err
42+ }
43+ 44+ return respBody , nil
45+ }
46+ 47+ func ValidateCaptcha (response RecaptchaResponseBody ) bool {
48+ return response .Success && response .Score >= .6
49+ }
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