112 lines
3.3 KiB
PHP
112 lines
3.3 KiB
PHP
---
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layout: page
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title: register for neotilde.tel
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php_session: true
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---
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<?php
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function exit_with_banner(?string $message) {
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unset($_SESSION['captcha']);
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echo '<div class="banner">';
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if (!is_null($message)) {
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echo "An error occurred: {$message}";
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} else {
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echo "An unknown error occurred.";
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}
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echo '</div>';
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exit;
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}
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function verify_captcha(string $result): bool {
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$ch = curl_init("{{ site.smolcaptcha_url }}/api/verify");
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, [
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"client" => "{{ site.smolcaptcha_client }}",
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"captcha" => $_SESSION['captcha'],
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"result" => $result,
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]);
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$resp = curl_exec($ch);
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curl_close($ch);
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return ($resp !== null && trim($resp) === "ok");
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}
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if (!array_key_exists("captcha", $_SESSION) || is_null($_SESSION['captcha'])) {
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$ch = curl_init("{{ site.smolcaptcha_url }}/api/generate");
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, [
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"client" => "{{ site.smolcaptcha_client }}",
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]);
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$resp = curl_exec($ch);
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curl_close($ch);
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if ($resp === false) exit_with_banner("CAPTCHA request failed, please alert darcy in <code>#tildetel</code>");
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$_SESSION['captcha'] = $resp;
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}
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$form_user = array_key_exists('user', $_POST) ? trim($_POST['user']) : null;
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$form_tilde = array_key_exists('tilde', $_POST) ? trim($_POST['tilde']) : null;
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$form_msg = array_key_exists('msg', $_POST) ? trim($_POST['msg']) : "(no message)";
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if ($form_user === null || $form_user === "" || $form_tilde === null || $form_tilde === "") {
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exit_with_banner("A required field was not provided.");
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}
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$captcha = array_key_exists('captcha', $_POST) ? trim($_POST['captcha']) : "";
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if (!verify_captcha($captcha)) {
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exit_with_banner("CAPTCHA verification failed");
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}
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$ch = curl_init("{{ site.register_hook }}");
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, [
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"secret" => "{{ site.register_hook_secret }}",
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"user" => $form_user,
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"tilde" => $form_tilde,
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"msg" => $form_msg,
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]);
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$resp = curl_exec($ch);
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curl_close($ch);
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unset($_SESSION['captcha']);
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if (!$resp) {
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exit_with_banner("Couldn't submit registration request, please try again");
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} else {
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echo '<div class="banner">Your registration request was submitted successfully!</div>';
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}
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} else {
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?>
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<p>If you had an account on the old <code>tilde.tel</code>, please include your previous number in the message field.</p>
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<form method="POST" class="form">
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<label for="reg_user">Username:</label>
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<input id="reg_user" name="user" type="text" placeholder="Username">
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<label for="reg_tilde">Tilde / Pubnix:</label>
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<input id="reg_tilde" name="tilde" type="text" placeholder="Tilde / Pubnix">
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<label for="reg_msg">Message (optional):</label>
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<textarea id="reg_msg" name="msg"></textarea>
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<div class="form-captcha">
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<label for="reg_captcha">What is the answer to the below equation?</label>
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<img class="form-captcha-img" src="{{ site.smolcaptcha_url }}/render/<?php echo $_SESSION['captcha'] ?>">
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<input id="reg_captcha" name="captcha" type="text" placeholder="Your answer">
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</div>
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<button class="button" type="submit">
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Submit registration request
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</button>
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</form>
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<?php } ?>
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