Sophia/yourls-cf-turnstile
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Sophia Atkinson
2024-03-03 21:16:50 -08:00
commit 24b8084c7c
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<?php
/*
Plugin Name: Cloudflare Turnstile for YOURLS Admin
Plugin URI: https://github.com/yourls/yourls-cloudflare-turnstile
Description: Adds Cloudflare Turnstile to the YOURLS Admin login.
Version: 1.0
Author: Sophia Atkinson
Author URI: https://sophia.wtf
*/
// Define Cloudflare Turnstile Site Key | Can be found here :) https://dash.cloudflare.com/?to=/:account/turnstile
if (!defined('CF_TURNSTILE_SITE_KEY')) {
define('CF_TURNSTILE_SITE_KEY', 'YOUR_CF_TURNSTILE_SITE_KEY');
}
// Define Cloudflare Turnstile Secret Key | Can be found here :) https://dash.cloudflare.com/?to=/:account/turnstile
if (!defined('CF_TURNSTILE_SECRET_KEY')) {
define('CF_TURNSTILE_SECRET_KEY', 'YOUR_CF_TURNSTILE_SECRET_KEY');
}
// Cloudflare Turnstile script to the head section of the HTML file
yourls_add_action('html_head', 'cf_turnstile_html_head');
function cf_turnstile_html_head() {
echo '<script src="https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit"></script>';
}
// Cloudflare Turnstile widget to the YOURLS admin login form
yourls_add_action('login_form_bottom', 'cf_turnstile_login_form');
function cf_turnstile_login_form() {
echo '<div id="cf-turnstile-container"></div>';
echo '<input type="hidden" name="cf_token" id="cfTokenInput">';
}
// Initialize Cloudflare Turnstile widget
yourls_add_action('login_form_end', 'cf_turnstile_inject_script');
function cf_turnstile_inject_script() {
echo '<script>
turnstile.ready(function() {
turnstile.render(\'#cf-turnstile-container\', {
sitekey: \'' . CF_TURNSTILE_SITE_KEY . '\',
callback: function(token) {
document.getElementById(\'cfTokenInput\').value = token;
// Send the token to the verification script
var xhr = new XMLHttpRequest();
xhr.open("POST", "' . yourls_plugin_url('cf_turnstile_verify.php') . '", true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.onreadystatechange = function() {
if (xhr.readyState === XMLHttpRequest.DONE) {
var response = JSON.parse(xhr.responseText);
if (response && response.success) {
// Verification succeeded, proceed with form submission
document.getElementById("login").submit();
} else {
// Verification failed, display error message
alert("Cloudflare Turnstile verification failed. Please try again.");
}
}
};
xhr.send("token=" + token);
}
});
});
</script>';
}