cavepaintingsFork/core/captcha.php

63 lines
1.9 KiB
PHP

<?php
declare(strict_types=1);
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
* CAPTCHA abstraction *
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
use ReCaptcha\ReCaptcha;
function captcha_get_html(): string
{
global $config, $user;
if (DEBUG && ip_in_range(get_real_ip(), "127.0.0.0/8")) {
return "";
}
$captcha = "";
if ($user->is_anonymous() && $config->get_bool("comment_captcha")) {
$r_publickey = $config->get_string("api_recaptcha_pubkey");
if (!empty($r_publickey)) {
$captcha = "
<div class=\"g-recaptcha\" data-sitekey=\"{$r_publickey}\"></div>
<script type=\"text/javascript\" src=\"https://www.google.com/recaptcha/api.js\"></script>";
} else {
session_start();
$captcha = Securimage::getCaptchaHtml(['securimage_path' => './vendor/dapphp/securimage/']);
}
}
return $captcha;
}
function captcha_check(): bool
{
global $config, $user;
if (DEBUG && ip_in_range(get_real_ip(), "127.0.0.0/8")) {
return true;
}
if ($user->is_anonymous() && $config->get_bool("comment_captcha")) {
$r_privatekey = $config->get_string('api_recaptcha_privkey');
if (!empty($r_privatekey)) {
$recaptcha = new ReCaptcha($r_privatekey);
$resp = $recaptcha->verify($_POST['g-recaptcha-response'] ?? "", get_real_ip());
if (!$resp->isSuccess()) {
log_info("core", "Captcha failed (ReCaptcha): " . implode("", $resp->getErrorCodes()));
return false;
}
} else {
session_start();
$securimg = new Securimage();
if ($securimg->check($_POST['captcha_code']) === false) {
log_info("core", "Captcha failed (Securimage)");
return false;
}
}
}
return true;
}