jcadima
5/4/2017 - 4:31 PM

recaptcha Invisible

recaptcha Invisible

new_gist_file.php
content_copyfile_download

<?php
$config = require('config.php');
?>
<html>
  <head>
    <title>reCAPTCHA demo</title>
    <script src="https://www.google.com/recaptcha/api.js"></script>

  </head>
  <body>
    <form action="process.php" method="POST" id="demo-form">

    <input type="text" name="firstname">
      <br>


<button class="loginmodal-submit g-recaptcha" 
        data-sitekey="6Lfi5B8UAAAAAGqVZbrz7-NHEEzn0SUBjL6l7wYD" 
        data-callback="onSubmit" 
        type="submit" 
        value="Submit">Submit
</button>


    </form>
 
  </body>

   <script>
       function onSubmit() {
         document.getElementById("demo-form").submit();
       }
    </script>

</html>



// process.php:

<?php
require 'Recaptcha.php';

$recaptcha = $_POST['g-recaptcha-response'];

$object = new Recaptcha();
$response = $object->verifyResponse($recaptcha);

if(isset($response['success']) and $response['success'] != true) {
	echo "An Error Occured and Error code is :".$response['error-codes'];
}
else {
	echo "Correct Recaptcha";
}

?>


// Recaptcha.php:
  
<?php

class Recaptcha{
	
	public function __construct(){
        $this->config = require('config.php');
    }

	public function verifyResponse($recaptcha){
		
		$remoteIp = $this->getIPAddress();

		// Discard empty solution submissions
		if (empty($recaptcha)) {
			return array(
				'success' => false,
				'error-codes' => 'missing-input',
			);
		}

		$getResponse = $this->getHTTP(
			array(
				'secret' => $this->config['secret-key'],
				'remoteip' => $remoteIp,
				'response' => $recaptcha,
			)
		);

		// get reCAPTCHA server response
		$responses = json_decode($getResponse, true);

		if (isset($responses['success']) and $responses['success'] == true) {
			$status = true;
		} else {
			$status = false;
			$error = (isset($responses['error-codes'])) ? $responses['error-codes']
				: 'invalid-input-response';
		}

		return array(
			'success' => $status,
			'error-codes' => (isset($error)) ? $error : null,
		);
	}


	private function getIPAddress(){
		if (!empty($_SERVER['HTTP_CLIENT_IP'])) 
		{
		$ip = $_SERVER['HTTP_CLIENT_IP'];
		} 
		elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) 
		{
		 $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
		} 
		else 
		{
		  $ip = $_SERVER['REMOTE_ADDR'];
		}
		
		return $ip;
	}

	private function getHTTP($data){
		
		$url = 'https://www.google.com/recaptcha/api/siteverify?'.http_build_query($data);
		$response = file_get_contents($url);

		return $response;
	}
}

?>


// config.php

<?php
// these will work on Localhost
return [
	'client-key' => '6Lfi5B8UAAAAAGqVZbrz7-NHEEzn0SUBjL6l7wYD',
	'secret-key' => '6Lfi5B8UAAAAAIJdsbWfM3dvWjgxLjq4Iwycoypb'
];