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<?php /** * BSD 3-Clause License * @copyright (c) 2019, Google Inc. * @link https://www.google.com/recaptcha * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. / require __DIR__ . '/appengine-https.php'; // Initiate the autoloader. The file should be generated by Composer. // You will provide your own autoloader or require the files directly if you did // not install via Composer. require_once 'ReCaptcha/autoload.php'; // Register API keys at https://www.google.com/recaptcha/admin $siteKey = ''; $secret = ''; // Copy the config.php.dist file to config.php and update it with your keys to run the examples if ($siteKey == '' && is_readable(__DIR__ . '/config.php')) { $config = include __DIR__ . '/config.php'; $siteKey = $config['v2-standard']['site']; $secret = $config['v2-standard']['secret']; } // reCAPTCHA supports 40+ languages listed here: https://developers.google.com/recaptcha/docs/language $lang = 'en'; ?> <!DOCTYPE html> <html lang="en"> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width,height=device-height,minimum-scale=1"> <link rel="shortcut icon" href="https://www.gstatic.com/recaptcha/admin/favicon.ico" type="image/x-icon"/> <link rel="canonical" href="https://recaptcha-demo.appspot.com/recaptcha-v2-checkbox.php"> <script type="application/ld+json">{ "@context": "http://schema.org", "@type": "WebSite", "name": "reCAPTCHA demo - \"I'm not a robot\" checkbox", "url": "https://recaptcha-demo.appspot.com/recaptcha-v2-checkbox.php" }</script> <meta name="description" content="reCAPTCHA demo - "I'm not a robot" checkbox" /> <meta property="og:url" content="https://recaptcha-demo.appspot.com/recaptcha-v2-checkbox.php" /> <meta property="og:type" content="website" /> <meta property="og:title" content="reCAPTCHA demo - "I'm not a robot" checkbox" /> <meta property="og:description" content="reCAPTCHA demo - "I'm not a robot" checkbox" /> <link rel="stylesheet" type="text/css" href="/examples.css"> <title>reCAPTCHA demo - "I'm not a robot" checkbox</title> <header> <h1>reCAPTCHA demo</h1><h2>"I'm not a robot" checkbox</h2> <p><a href="/">↩️ Home</a></p> </header> <main> <?php if ($siteKey === '' \|\| $secret === ''): ?> <h2>Add your keys</h2> <p>If you do not have keys already then visit <kbd> <a href = "https://www.google.com/recaptcha/admin">https://www.google.com/recaptcha/admin</a></kbd> to generate them. Edit this file and set the respective keys in the <kbd>config.php</kbd> file or directly to <kbd>$siteKey</kbd> and <kbd>$secret</kbd>. Reload the page after this.</p> <?php elseif (isset($_POST['g-recaptcha-response'])): // The POST data here is unfiltered because this is an example. // In production, always* sanitise and validate your input' ?> <h2><kbd>POST</kbd> data</h2> <kbd><pre><?php var_export($_POST);?></pre></kbd> <?php // If the form submission includes the "g-captcha-response" field // Create an instance of the service using your secret $recaptcha = new \ReCaptcha\ReCaptcha($secret); // If file_get_contents() is locked down on your PHP installation to disallow // its use with URLs, then you can use the alternative request method instead. // This makes use of fsockopen() instead. // $recaptcha = new \ReCaptcha\ReCaptcha($secret, new \ReCaptcha\RequestMethod\SocketPost()); // Make the call to verify the response and also pass the user's IP address $resp = $recaptcha->setExpectedHostname($_SERVER['SERVER_NAME']) ->verify($_POST['g-recaptcha-response'], $_SERVER['REMOTE_ADDR']); if ($resp->isSuccess()): // If the response is a success, that's it! ?> <h2>Success!</h2> <kbd><pre><?php var_export($resp);?></pre></kbd> <p>That's it. Everything is working. Go integrate this into your real project.</p> <p><a href="/recaptcha-v2-checkbox.php">⤴️ Try again</a></p> <?php else: // If it's not successful, then one or more error codes will be returned. ?> <h2>Something went wrong</h2> <kbd><pre><?php var_export($resp);?></pre></kbd> <p>Check the error code reference at <kbd><a href="https://developers.google.com/recaptcha/docs/verify#error-code-reference">https://developers.google.com/recaptcha/docs/verify#error-code-reference</a></kbd>. <p><strong>Note:</strong> Error code <kbd>missing-input-response</kbd> may mean the user just didn't complete the reCAPTCHA.</p> <p><a href="/recaptcha-v2-checkbox.php">⤴️ Try again</a></p> <?php endif; else: // Add the g-recaptcha tag to the form you want to include the reCAPTCHA element ?> <p>Complete the reCAPTCHA then submit the form.</p> <form action="/recaptcha-v2-checkbox.php" method="post"> <fieldset> <legend>An example form</legend> <label class="form-field">Example input A: <input type="text" name="ex-a" value="foo"></label> <label class="form-field">Example input B: <input type="text" name="ex-b" value="bar"></label> <!-- Default behaviour looks for the g-recaptcha class with a data-sitekey attribute --> <div class="g-recaptcha form-field" data-sitekey="<?php echo $siteKey; ?>"></div> <!-- Submitting before the widget loads will result in a missing-input-response error so you need to verify server side --> <button class="form-field" type="submit">Submit ↦</button> </fieldset> </form> <script type="text/javascript" src="https://www.google.com/recaptcha/api.js?hl=<?php echo $lang; ?>"></script> <?php endif;?> </main> <!-- Google Analytics - just ignore this --> <script async src="https://www.googletagmanager.com/gtag/js?id=UA-123057962-1"></script> <script>window.dataLayer = window.dataLayer \|\| []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'UA-123057962-1');</script>

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