Settings';
array_unshift($links, $settings_link);
return $links;
}
$plugin = plugin_basename(__FILE__);
add_filter("plugin_action_links_$plugin", 'antihacker_plugin_settings_link' );
require_once (plugin_dir_path(__file__) . "settings/load-plugin.php");
require_once (plugin_dir_path(__file__) . "settings/options/plugin_options_tabbed.php");
add_filter('contextual_help', 'wptuts_contextual_help', 10, 3);
function wptuts_contextual_help($contextual_help, $screen_id, $screen)
{
$myhelp = '
Improve system security and help prevent unauthorized access to your account by ';
$myhelp .= 'restrict access to login page to whitelisted IP addresses.';
$screen->add_help_tab(array(
'id' => 'wptuts-overview-tab',
'title' => __('Overview', 'plugin_domain'),
'content' => '' . $myhelp . '
',
));
return $contextual_help;
}
$my_whitelist = trim(get_option('my_whitelist'));
$my_whitelist = explode(PHP_EOL, $my_whitelist);
$ip = trim(findip());
$admin_email = get_option( 'my_email_to' );
if (! whitelisted($ip, $my_whitelist)) {
if(isset($_POST['myemail']))
{
$myemail = strtolower(trim($_POST['myemail']));
}
else
{
$myemail = '';
}
add_action('login_form', 'email_display');
add_action('wp_authenticate_user', 'validate_email_field', 10, 2);
function validate_email_field($user, $password)
{
global $myemail;
if (!is_email($myemail))
return new WP_Error('wrong_email', 'Please, fill out the email field!');
else
{
$args = array(
);
// The Query
$user_query = new WP_User_Query( array ( 'orderby' => 'registered', 'order' => 'ASC' ) );
// User Loop
if ( ! empty( $user_query->results ) ) {
foreach ( $user_query->results as $user ) {
// echo '' . $user->user_email . '
';
if(strtolower(trim($user->user_email)) == $myemail )
return $user;
}
} else {
// echo 'No users found.';
}
return new WP_Error( 'wrong_email', 'email not found!');
}
return $user;
}
function email_display()
{ ?>
My Wordpress user email:
';
$msg .= 'Date : ' . $dt . '
';
$msg .= 'Ip: ' . $ip . '
';
$msg .= 'Domain: ' . $dom . '
';
$msg .= 'Role: ' . $user_login;
$msg .= '
';
$msg .= 'Add this IP to your withelist to stop this email';
$email_from = 'wordpress@'.$dom;
// To send HTML mail, the Content-type header must be set
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
// Create email headers
$headers .= "From: ".$email_from. "\r\n" . 'Reply-To: ' . $user_login . "\r\n" .
'X-Mailer: PHP/' . phpversion();
$to = $admin_email;
$subject = 'Login at: '.$dom;
if ( ! whitelisted($ip, $my_whitelist)) {
wp_mail( $to, $subject, $msg, $headers, '' );
}
return 1;
}
function whitelisted($ip, $my_whitelist)
{
for ($i = 0; $i < count($my_whitelist); $i++) {
if (trim($my_whitelist[$i]) == $ip)
return 1;
}
return 0;
}
function findip()
{
$ip = '';
if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
$ip = trim($ip);
if (!empty($ip))
return $ip;
else
return 'unknow';
} ?>