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<?php
if (!defined('ABSPATH')) {
exit;
}
/**
* Check if whitelisted
*/
function cfturnstile_whitelisted() {
// If admin page return false
if(isset($_GET['page']) && $_GET['page'] == 'cfturnstile') {
return false;
}
// Filter
$whitelisted = apply_filters('cfturnstile_whitelisted', false);
// Logged In Users
if(get_option('cfturnstile_whitelist_users') && is_user_logged_in()) {
$whitelisted = true;
}
// If the IP address is within the list of IPs in get_option('cfturnstile_whitelist_ips')
if(get_option('cfturnstile_whitelist_ips')) {
$whitelist = get_option('cfturnstile_whitelist_ips');
$whitelist_ips = explode("\n", str_replace("\r", "", $whitelist));
$current_ip = cfturnstile_get_ip();
foreach ($whitelist_ips as $whitelist_ip) {
$whitelist_ip = sanitize_text_field(trim($whitelist_ip));
// Skip invalid inputs
if (!filter_var($whitelist_ip, FILTER_VALIDATE_IP)) {
continue;
}
// Check if the IP is exactly equal
if ($current_ip && $current_ip == $whitelist_ip) {
$whitelisted = true;
break;
}
}
}
// If the User Agent is within the list of User Agents in get_option('cfturnstile_whitelist_agents')
if(get_option('cfturnstile_whitelist_agents')) {
$whitelist = get_option('cfturnstile_whitelist_agents');
$whitelist_agents = explode("\n", str_replace("\r", "", $whitelist));
$current_agent = sanitize_text_field($_SERVER['HTTP_USER_AGENT']);
foreach ($whitelist_agents as $whitelist_agent) {
$whitelist_agent = sanitize_text_field(trim($whitelist_agent));
// Check if the User Agent contains the whitelist agent
if (strpos($current_agent, $whitelist_agent) !== false) {
$whitelisted = true;
break;
}
}
}
return $whitelisted;
}
/**
* Get IP Address
*/
function cfturnstile_get_ip() {
if (isset( $_SERVER )) {
$vars = array( 'REMOTE_ADDR', 'HTTP_X_REAL_IP', 'HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR' );
foreach ( $vars as $var ) {
if ( isset($_SERVER[$var]) ) {
$ips = explode(',', $_SERVER[$var]); // handle comma separated values
foreach ($ips as $ip) {
$ip = sanitize_text_field(trim($ip));
if (filter_var($ip, FILTER_VALIDATE_IP)) {
return $ip;
}
}
}
}
}
return false; // return false if no valid ip found
}