Created
July 13, 2020 06:42
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php-google-recaptcha-v3-test
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<?php | |
if(isset($_POST["username"])){ | |
header("Content-type: text/plain"); | |
function challenge($secret, $response, $remoteIP = null, $action = "submit"){ | |
$ch = curl_init(); | |
curl_setopt($ch, CURLOPT_URL,"https://www.google.com/recaptcha/api/siteverify"); | |
curl_setopt($ch, CURLOPT_POST, 1); | |
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array( | |
'secret' => $secret, | |
'response' => $response, | |
'remoteip' => $remoteIP))); | |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | |
$response = curl_exec($ch); | |
curl_close($ch); | |
$arrResponse = json_decode($response, true); | |
// verify the response | |
if($arrResponse["success"] == '1' && $arrResponse["action"] == $action && $arrResponse["score"] >= 0.5) { | |
/** | |
* check with database if valid username/password | |
*/ | |
return array("code" => 0, "message" => "success", "data" => $arrResponse); | |
} else { | |
return array("code" => 1, "message" => "failed", "data" => $arrResponse); | |
} | |
} | |
// IMPORTANT: $_POST["g-recaptcha-response"], | |
$privatekey = "SECRET_KEY"; | |
$response = $_POST["g-recaptcha-response"]; | |
$recaptchaResult = challenge($privatekey, $response); | |
print_r($recaptchaResult); | |
exit; | |
} | |
?> | |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" | |
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
<html xmlns="http://www.w3.org/1999/xhtml"> | |
<!--Head--> | |
<head> | |
<title>LOGIN PAGE</title> | |
<link id="favicon" rel="icon" type="image/x-icon" href="/favicon.ico"/> | |
<!--Styles--> | |
<link rel="stylesheet" type="text/css" href="/styles/login.css" /> | |
<!--End Styles--> | |
<!--Scripts--> | |
<script src="https://www.google.com/recaptcha/api.js"></script> | |
<script type="text/javascript"> | |
function onSubmit(token) { | |
document.getElementById("loginFRM").submit(); | |
} | |
</script><!--End Scripts--> | |
</head> | |
<!--End Head--> | |
<body> | |
<!--Layout--> | |
<form method="post" action="/captcha-test.php" id="loginFRM"> | |
<fieldset> | |
<h1><img src="/images/banner.png" /></h1> | |
<label for="username">Username:</label> | |
<input type="text" name="username" id="username" value="" /> | |
<label for="password">Password:</label> | |
<input type="password" name="password" id="password" /> | |
<input type="submit" | |
class="loginBTN g-recaptcha" | |
data-sitekey="SITE_KEY" | |
data-callback='onSubmit' | |
data-action='submit' | |
value="Login" | |
/> | |
<p> | |
<a href="/login/forgot" title="Forgot Password">Forgot Password</a> | |
</p> | |
</fieldset> | |
</form> | |
<!--End Layout--> | |
</body> | |
</html> |
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