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Private Captcha Local e2e tutorial
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <title>Private Captcha Example</title> | |
| <style> | |
| body { | |
| display:flex; | |
| flex-direction: column; | |
| min-height: 100vh; | |
| } | |
| form { | |
| max-width: 32rem; | |
| margin: auto; | |
| display: flex; | |
| flex-direction: column; | |
| gap: 20px; | |
| border: 1px #ccc solid; | |
| padding: 20px; | |
| } | |
| </style> | |
| <script defer src="https://cdn.privatecaptcha.com/widget/js/privatecaptcha.js"></script> | |
| <script type="text/javascript"> | |
| function onCaptchaSolved() { | |
| const submitButton = document.querySelector('#formSubmit'); | |
| submitButton.disabled = false; | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <div style="display: flex; flex: 1 1 0%"> | |
| <form action='/submit' method="POST"> | |
| <label> Email: </label> | |
| <input type="email" name="email" placeholder="Email address" required /> | |
| <div class="private-captcha" data-sitekey="9f08508c99674b1daf5008b3c64403ed" | |
| data-finished-callback="onCaptchaSolved"></div> | |
| <button id="formSubmit" type="submit" disabled> Submit </button> | |
| </form> | |
| </div> | |
| </body> | |
| </html> |
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| package main | |
| import ( | |
| "encoding/json" | |
| "errors" | |
| "fmt" | |
| "io" | |
| "log" | |
| "net/http" | |
| "strings" | |
| ) | |
| func checkSolution(solution, apiKey string) error { | |
| req, err := http.NewRequest("POST", "https://api.privatecaptcha.com/siteverify", strings.NewReader(solution)) | |
| if err != nil { | |
| return err | |
| } | |
| req.Header.Set("X-Api-Key", apiKey) | |
| resp, err := http.DefaultClient.Do(req) | |
| if err != nil { | |
| return err | |
| } | |
| defer resp.Body.Close() | |
| response := struct { | |
| Success bool `json:"success"` | |
| // NOTE: other fields omitted for brevity | |
| }{} | |
| if err := json.NewDecoder(resp.Body).Decode(&response); err != nil { | |
| return err | |
| } | |
| if !response.Success { | |
| return errors.New("solution is not correct") | |
| } | |
| return nil | |
| } | |
| func main() { | |
| const page = `<!DOCTYPE html><html><body style="background-color: %s;"></body></html>` | |
| http.HandleFunc("POST /submit", func(w http.ResponseWriter, r *http.Request) { | |
| captchaSolution := r.FormValue("private-captcha-solution") | |
| if err := checkSolution(captchaSolution, "pc_1c582dd06cde41b48e86f5cac278abb8"); err != nil { | |
| fmt.Fprintf(w, page, "red") | |
| return | |
| } | |
| fmt.Fprintf(w, page, "green") | |
| }) | |
| http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { | |
| if r.URL.Path == "/" { | |
| http.ServeFile(w, r, "index.html") | |
| return | |
| } | |
| // Return 404 for any other paths | |
| http.NotFound(w, r) | |
| }) | |
| if err := http.ListenAndServe(":8081", nil); err != nil { | |
| log.Fatal(err) | |
| } | |
| } |
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