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darkcolonist/captcha-test.php

Created July 13, 2020 06:42
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  1. darkcolonist created this gist Jul 13, 2020.
    92 changes: 92 additions & 0 deletions captcha-test.php
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,92 @@
    <?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>