hCaptcha

www/application/controllers/Contact.php

@@ -18,7 +18,28 @@ class Contact extends CI_Controller {
         extract($_POST);
 
         if ($_POST) {
-
+            $resp = $this->input->post('h-captcha-response');
+            $secret = "0x608809f0227f7FA577E069524805cC25f5E732C0";
+            $url = "https://hcaptcha.com/siteverify";
+            $data = array(
+                "secret" => $secret,
+                "response" => $resp
+            );
+            $ch = curl_init();
+            curl_setopt($ch,CURLOPT_URL, $url);
+            curl_setopt($ch,CURLOPT_POST, count($data));
+            curl_setopt($ch,CURLOPT_POSTFIELDS, http_build_query($data));
+            curl_setopt($ch,CURLOPT_RETURNTRANSFER, TRUE);
+            $result = curl_exec($ch);
+            curl_close($ch);
+            $captcha = json_decode($result,true);
+            if (is_array($captcha) && array_key_exists("success",$captcha) && $captcha["success"]) {
+              // Ok
+                $message = '';
+            } else {
+                $message = 'Please verify that you are human';
+            }
+            
             $email = $this->input->post('email');
             $firstname = $this->input->post('firstname');
             $lastname = $this->input->post('lastname');

www/application/views/users/view_contact.php

@@ -91,6 +91,36 @@
                                                         <textarea rows="5" cols="5" class="form-control" name="msg" placeholder="Enter your message here" onkeydown="textCounter(this.form.msg, this.form.remLen, 500);" onkeyup="textCounter(this.form.msg, this.form.remLen, 500);"><?= $msg ?></textarea>
                                                         <input type="text" class="form-control" name="remLen" value="<?= (500 - strlen($msg)) ?>" placeholder="0" style='width: 50px;' readonly>
                                                     </div>
+						</div>
+
+                                                <div class="form-group">
+                                                    <label class="col-lg-3 control-label">Verify:</label>
+                                                    <div class="col-lg-9">
+							<div id="hcaptcha-demo" class="h-captcha" data-sitekey="8f17e5c1-1a95-4788-a58c-b406c70923f7" data-callback="onSuccess" data-expired-callback="onExpire"></div>
+<script>
+                      // success callback
+                      var onSuccess = function(response) {
+                        var errorDivs = document.getElementsByClassName("hcaptcha-error");
+                        if (errorDivs.length) {
+                          errorDivs[0].className = "";
+                        }
+                        var errorMsgs = document.getElementsByClassName("hcaptcha-error-message");
+                        if (errorMsgs.length) {
+                          errorMsgs[0].parentNode.removeChild(errorMsgs[0]);
+                        }
+
+                        var logEl = document.querySelector(".hcaptcha-success");
+                        logEl.innerHTML = "Challenge Success!"
+                      };
+
+                      var onExpire = function(response) {
+                        var logEl = document.querySelector(".hcaptcha-success");
+                        logEl.innerHTML = "Token expired."
+                      };
+		</script>
+<div class="hcaptcha-success smsg" aria-live="polite"></div>
+							</div>
+                                                    </div>
                                                 </div>
 
                                                 <div class="text-right">
@@ -116,3 +146,5 @@
 
 </div>
 <!-- /page container -->
+<script src="https://hcaptcha.com/1/api.js?reportapi=https%3A%2F%2Faccounts.hcaptcha.com" type="text/javascript" async defer></script>
+