oont-contents/plugins/ultimate-member/includes/frontend/class-secure.php
2025-02-08 15:10:23 +01:00

291 lines
8.5 KiB
PHP

<?php
namespace um\frontend;
use WP_Error;
use WP_User;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'um\frontend\Secure' ) ) {
/**
* Class Secure
*
* @package um\frontend
*
* @since 2.6.8
*/
class Secure {
/**
* Secure constructor.
* @since 2.6.8
*/
public function __construct() {
add_action( 'init', array( $this, 'init' ) );
add_action( 'um_before_login_fields', array( $this, 'reset_password_notice' ), 1 );
add_action( 'um_before_login_fields', array( $this, 'under_maintenance_notice' ), 1 );
add_action( 'um_submit_form_register', array( $this, 'block_register_forms' ) );
add_action( 'um_user_login', array( $this, 'login_validate_expired_pass' ), 1 );
add_action( 'validate_password_reset', array( $this, 'avoid_old_password' ), 1, 2 );
}
/**
* Adds handlers on form submissions.
*
* @since 2.6.8
*/
public function init() {
if ( ! UM()->options()->get( 'secure_ban_admins_accounts' ) ) {
return;
}
/**
* Checks the integrity of Current User's Capabilities
*/
add_action( 'um_after_save_registration_details', array( $this, 'secure_user_capabilities' ), 1 );
add_action( 'um_after_save_registration_details', array( $this, 'maybe_set_whitelisted_password' ), 2 );
if ( is_user_logged_in() && ! current_user_can( 'manage_options' ) ) { // Exclude current Logged-in Administrator from validation checks.
add_action( 'um_after_user_updated', array( $this, 'secure_user_capabilities' ), 1 );
add_action( 'um_after_user_account_updated', array( $this, 'secure_user_capabilities' ), 1 );
}
}
/**
* Add Login notice for Reset Password
*
* @since 2.6.8
*/
public function reset_password_notice() {
if ( ! UM()->options()->get( 'display_login_form_notice' ) ) {
return;
}
// phpcs:disable WordPress.Security.NonceVerification
if ( ! isset( $_REQUEST['notice'] ) || 'expired_password' !== $_REQUEST['notice'] ) {
return;
}
// phpcs:enable WordPress.Security.NonceVerification
echo "<p class='um-notice warning'>";
echo wp_kses(
sprintf(
// translators: One-time change requires you to reset your password
__( '<strong>Important:</strong> Your password has expired. This (one-time) change requires you to reset your password. Please <a href="%s">click here</a> to reset your password via Email.', 'ultimate-member' ),
um_get_core_page( 'password-reset' )
),
array(
'strong' => array(),
'a' => array(
'href' => array(),
),
)
);
echo '</p>';
}
/**
* Add Login notice for Under Maintance
*
* @since 2.6.8
*/
public function under_maintenance_notice() {
if ( ! UM()->options()->get( 'lock_register_forms' ) ) {
return;
}
// phpcs:disable WordPress.Security.NonceVerification
if ( ! isset( $_GET['notice'] ) || 'maintenance' !== $_GET['notice'] ) {
return;
}
// phpcs:enable WordPress.Security.NonceVerification
echo "<p class='um-notice warning'>";
echo wp_kses(
__( '<strong>Important:</strong> Our website is currently under maintenance. Please check back soon.', 'ultimate-member' ),
array(
'strong' => array(),
'a' => array(
'href' => array(),
),
)
);
echo '</p>';
}
/**
* Block all UM Register form submissions.
*
* @since 2.6.8
*/
public function block_register_forms() {
if ( UM()->options()->get( 'lock_register_forms' ) ) {
$login_url = add_query_arg( 'notice', 'maintenance', um_get_core_page( 'login' ) );
nocache_headers();
// Not `um_safe_redirect()` because predefined login page is situated on the same host.
wp_safe_redirect( $login_url );
exit;
}
}
/**
* Validate when user has expired password
*
* @since 2.6.8
*/
public function login_validate_expired_pass() {
if ( UM()->options()->get( 'display_login_form_notice' ) ) {
$user_id = isset( UM()->login()->auth_id ) ? UM()->login()->auth_id : '';
if ( empty( $user_id ) ) {
return;
}
$expired_password_reset = get_user_meta( $user_id, 'um_secure_has_reset_password', true );
if ( ! $expired_password_reset ) {
$login_url = add_query_arg( 'notice', 'expired_password', um_get_core_page( 'login' ) );
// Not `um_safe_redirect()` because predefined login page is situated on the same host.
wp_safe_redirect( $login_url );
exit;
}
}
}
/**
* Prevent users from using Old Passwords on UM Password Reset form.
*
* @param WP_Error $errors
* @param WP_User|WP_Error $user
*
* @since 2.6.8
*/
public function avoid_old_password( $errors, $user ) {
if ( empty( $_POST['_um_password_change'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
return;
}
if ( ! UM()->options()->get( 'display_login_form_notice' ) ) {
return;
}
if ( isset( $_REQUEST['user_password'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
$new_user_pass = wp_unslash( $_REQUEST['user_password'] ); // phpcs:ignore WordPress.Security.NonceVerification
if ( wp_check_password( $new_user_pass, $user->data->user_pass, $user->ID ) ) {
UM()->form()->add_error( 'user_password', __( 'Your new password cannot be same as old password.', 'ultimate-member' ) );
$errors->add( 'um_block_old_password', __( 'Your new password cannot be same as old password.', 'ultimate-member' ) );
} else {
update_user_meta( $user->ID, 'um_secure_has_reset_password', true );
update_user_meta( $user->ID, 'um_secure_has_reset_password__timestamp', current_time( 'mysql', true ) );
}
}
}
/**
* Secure user capabilities and revoke administrative ones.
*
* @since 2.6.8
*
* @param int $user_id
*/
public function secure_user_capabilities( $user_id ) {
global $wpdb;
$user = get_userdata( $user_id );
if ( empty( $user ) ) {
return;
}
// Fetch the WP_User object of our user.
um_fetch_user( $user_id );
$has_admin_cap = false;
$arr_banned_caps = UM()->options()->get( 'banned_capabilities' );
if ( is_array( $arr_banned_caps ) ) {
foreach ( $arr_banned_caps as $cap ) {
/**
* When there's at least one administrator cap added to the user,
* immediately revoke caps and mark as rejected.
*/
if ( $user->has_cap( $cap ) ) {
$has_admin_cap = true;
break;
}
}
}
if ( ! $has_admin_cap ) {
/**
* Double-check if *_user_level has been modified with the highest level
* when user has no administrative capabilities.
*/
$user_level = um_user( $wpdb->get_blog_prefix() . 'user_level' );
if ( ! empty( $user_level ) && 10 === absint( $user_level ) ) {
$has_admin_cap = true;
}
}
if ( ! $has_admin_cap ) {
/**
* Validate submitted raw data for banned metakeys.
*/
if ( ! empty( UM()->form()->post_form['submitted'] ) && is_array( UM()->form()->post_form['submitted'] ) ) {
foreach ( array_keys( UM()->form()->post_form['submitted'] ) as $submitted_metakey ) {
if ( UM()->user()->is_metakey_banned( $submitted_metakey ) ) {
$has_admin_cap = true;
break;
}
}
}
}
if ( $has_admin_cap ) {
UM()->common()->secure()->revoke_caps( $user );
/**
* Notify Administrators Immediately
*/
if ( UM()->options()->get( 'secure_notify_admins_banned_accounts' ) ) {
$interval = UM()->options()->get( 'secure_notify_admins_banned_accounts__interval' );
if ( 'instant' === $interval ) {
UM()->common()->secure()->send_notification( array( $user_id ) );
}
}
// Destroy Sessions & Redirect.
wp_destroy_current_session();
wp_logout();
session_unset();
$redirect = apply_filters( 'um_secure_blocked_user_redirect_immediately', true );
if ( $redirect ) {
$login_url = add_query_arg( 'err', 'inactive', um_get_core_page( 'login' ) );
// Not `um_safe_redirect()` because predefined login page is situated on the same host.
wp_safe_redirect( $login_url );
exit;
}
}
}
/**
* Set meta (no need to reset his password) if the user is a new registered.
*
* @since 2.6.8
*
* @param int $user_id
*/
public function maybe_set_whitelisted_password( $user_id ) {
$user = get_userdata( $user_id );
if ( empty( $user ) ) {
return;
}
if ( UM()->options()->get( 'display_login_form_notice' ) ) {
update_user_meta( $user_id, 'um_secure_has_reset_password', true );
update_user_meta( $user_id, 'um_secure_has_reset_password__timestamp', current_time( 'mysql', true ) );
}
}
}
}