recaptcha-v3

How to implement reCaptcha V3 in ASP.NET

The simplest implementation: In your cshtml file (at the top) @section Scripts { <script src=”https://www.google.com/recaptcha/api.js?render=your site key”></script> <script> grecaptcha.ready(function () { grecaptcha.execute(‘your site key’, { action: ‘homepage’ }).then(function (token) { document.getElementById(“foo”).value = token; }); }); </script> } In your cshtml, inside the form (just before </form>): <input type=”hidden” id=”foo” name=”foo” /> A function inside your … Read more

Google Recaptcha v3 example demo

Simple code to implement ReCaptcha v3 The basic JS code <script src=”https://www.google.com/recaptcha/api.js?render=your reCAPTCHA site key here”></script> <script> grecaptcha.ready(function() { // do request for recaptcha token // response is promise with passed token grecaptcha.execute(‘your reCAPTCHA site key here’, {action:’validate_captcha’}) .then(function(token) { // add token value to form document.getElementById(‘g-recaptcha-response’).value = token; }); }); </script> The basic HTML … Read more

How to validate Google reCAPTCHA v3 on server side?

Private key safety While the answers here are definately working, they are using a GET request, which exposes your private key (even though https is used). On Google Developers the specified method is POST. For a little bit more detail: https://stackoverflow.com/a/323286/1680919 Verification via POST function isValid() { try { $url=”https://www.google.com/recaptcha/api/siteverify”; $data = [‘secret’ => ‘[YOUR … Read more

How does reCAPTCHA 3 know I’m using Selenium/chromedriver?

reCaptcha Websites can easily detect the network traffic and identify your program as a BOT. Google have already released 5(five) reCAPTCHA to choose from when creating a new site. While four of them are active and reCAPTCHA v1 being shutdown. reCAPTCHA versions and types reCAPTCHA v3 (verify requests with a score): reCAPTCHA v3 allows you … Read more