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<?php
/**
* Handles logic for login and registration pages.
*
* @package BB_PowerPack
* @since 2.7.11
*/
/**
* Exit if accessed directly.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* BB_PowerPack_Login_Register.
*/
final class BB_PowerPack_Login_Register {
/**
* Settings Tab constant.
*/
const SETTINGS_TAB = 'login_register';
private static $cached_data = array();
/**
* Initializing PowerPack maintenance mode.
*
* @since 2.7.11
*/
static public function init() {
add_filter( 'pp_admin_settings_tabs', __CLASS__ . '::render_settings_tab', 10, 1 );
add_action( 'pp_admin_settings_save', __CLASS__ . '::save_settings' );
add_action( 'template_redirect', __CLASS__ . '::page_headers' );
add_action( 'login_init', __CLASS__ . '::redirect' );
add_filter( 'login_url', __CLASS__ . '::login_url', 10, 3 );
//add_action( 'init', __CLASS__ . '::login_redirect' );
add_filter( 'authenticate', __CLASS__ . '::auth_redirect', 10, 3 );
add_action( 'wp_logout', __CLASS__ . '::logout_redirect' );
add_action( 'wp_loaded', __CLASS__ . '::check_reauth' );
}
/**
* Render settings tab.
*
* Adds Login / Register tab in PowerPack admin settings.
*
* @since 2.7.11
* @param array $tabs Array of existing settings tabs.
*/
static public function render_settings_tab( $tabs ) {
$tabs[ self::SETTINGS_TAB ] = array(
'title' => esc_html__( 'Login / Register', 'bb-powerpack' ),
'show' => ! BB_PowerPack_Admin_Settings::get_option( 'ppwl_hide_login_register_tab' ),
'file' => BB_POWERPACK_DIR . 'includes/admin-settings-login-register.php',
'priority' => 355,
);
return $tabs;
}
/**
* Save settings.
*
* Saves setting fields value in options.
*
* @since 2.6.10
*/
static public function save_settings() {
if ( isset( $_POST['bb_powerpack_login_page'] ) ) {
$login_page = wp_unslash( $_POST['bb_powerpack_login_page'] );
self::update_option( 'bb_powerpack_login_page', $login_page );
}
if ( isset( $_POST['bb_powerpack_register_page'] ) ) {
$register_page = wp_unslash( $_POST['bb_powerpack_register_page'] );
self::update_option( 'bb_powerpack_register_page', $register_page );
}
}
static private function update_option( $key, $value ) {
$is_network_admin = is_multisite() && is_network_admin();
if ( $is_network_admin ) {
update_site_option( $key, $value );
} else {
update_option( $key, $value );
}
}
/**
* Get pages.
*
* Get all pages and create options for select field.
*
* @since 2.7.11
* @param string $selected Selected page for the field.
* @return array $options An array of pages.
*/
static public function get_pages( $selected = '' ) {
if ( empty( self::$cached_data ) ) {
$args = array(
'post_type' => 'page',
'post_status' => 'publish',
'orderby' => 'title',
'order' => 'ASC',
'posts_per_page' => '-1',
'update_post_meta_cache' => false
);
self::$cached_data = get_posts( $args );
}
$options = '<option value="">' . __( '-- Select --', 'bb-powerpack' ) . '</option>';
if ( count( self::$cached_data ) ) {
foreach ( self::$cached_data as $post ) {
$options .= '<option value="' . $post->ID . '" ' . selected( $selected, $post->ID, false ) . '>' . $post->post_title . '</option>';
}
} else {
$options = '<option value="" disabled>' . __( 'No pages found!', 'bb-powerpack' ) . '</option>';
}
return $options;
}
static public function get_login_page_id() {
$id = BB_PowerPack_Admin_Settings::get_option( 'bb_powerpack_login_page', true );
return absint( $id );
}
static public function get_register_page_id() {
$id = BB_PowerPack_Admin_Settings::get_option( 'bb_powerpack_register_page', true );
return absint( $id );
}
/**
* Page Headers.
*
* Prevent caching on the custom login page.
*
* @since 2.36.x
* @return void
*/
static public function page_headers() {
$login_page_id = self::get_login_page_id();
if ( empty( $login_page_id ) || ! is_page( $login_page_id ) ) {
return;
}
if ( ! headers_sent() ) {
if ( ! defined( 'DONOTCACHEPAGE' ) ) {
define( 'DONOTCACHEPAGE', true );
}
if ( ! defined( 'DONOTCACHEOBJECT' ) ) {
define( 'DONOTCACHEOBJECT', true );
}
if ( ! defined( 'DONOTCACHEDB' ) ) {
define( 'DONOTCACHEDB', true );
}
nocache_headers();
}
}
/**
* Redirect.
*
* Redirects wp-login.php to custom login page or register page.
*
* @since 2.7.11
* @return void
*/
static public function redirect() {
$redirect_to = '';
$action = isset( $_GET['action'] ) ? $_GET['action'] : '';
if ( isset( $_REQUEST['interim-login'] ) ) {
return;
}
if ( 'postpass' === $action ) {
return;
}
if ( 'register' === $action ) {
$page_id = self::get_register_page_id();
$redirect_to = get_permalink( $page_id );
if ( ! empty( $page_id ) && ! empty( $redirect_to ) ) {
wp_redirect( $redirect_to );
exit;
}
} else {
if ( ! is_user_logged_in() ) {
$page_id = self::get_login_page_id();
$redirect_to = get_permalink( $page_id );
if ( 'lostpassword' === $action || 'retrievepassword' === $action ) {
$redirect_to = add_query_arg( 'action', 'lost_pass', $redirect_to );
}
if ( 'rp' === $action || 'resetpass' === $action ) {
$query_args = array(
'action' => 'reset_pass',
);
if ( isset( $_GET['key'] ) ) {
$query_args['key'] = wp_unslash( $_GET['key'] );
}
if ( isset( $_GET['login'] ) ) {
$user_name = wp_unslash( $_GET['login'] );
$user = get_user_by( 'login', $user_name );
if ( $user && ! is_wp_error( $user ) ) {
$query_args['id'] = $user->ID;
}
}
$redirect_to = add_query_arg( $query_args, $redirect_to );
}
if ( ! empty( $page_id ) && ! empty( $redirect_to ) ) {
wp_redirect( $redirect_to );
exit;
}
}
}
}
static public function login_url( $login_url, $redirect, $force_reauth ) {
$page_id = self::get_login_page_id();
if ( ! empty( $page_id ) ) {
$login_url = get_permalink( $page_id );
if ( ! empty( $redirect ) ) {
$login_url = add_query_arg( 'redirect_to', urlencode( $redirect ), $login_url );
}
if ( $force_reauth ) {
$login_url = add_query_arg( 'reauth', '1', $login_url );
}
}
return $login_url;
}
/**
* Login redirect.
*
* Redirects wp-login.php to custom login page.
*
* @since 2.7.11
* @return void
*/
static public function login_redirect() {
$redirect_to = '';
if (
'wp-login.php' == basename( $_SERVER['REQUEST_URI'] ) &&
'GET' == $_SERVER['REQUEST_METHOD']
) {
$page_id = '';
if ( isset( $_GET['action'] ) && 'register' == $_GET['action'] ) {
$page_id = self::get_register_page_id();
} else {
$page_id = self::get_login_page_id();
}
if ( ! empty( $page_id ) ) {
$redirect_to = get_permalink( $page_id );
}
}
if ( ! empty( $redirect_to ) ) {
wp_redirect( $redirect_to );
exit;
}
}
/**
* Authentication redirect.
*
* Redirect to custom login page if username and password fields
* left empty.
*
* @since 2.7.11
* @param object $user User object.
* @param string $username User's login name.
* @param string $password User's login password.
* @return object $user
*/
static public function auth_redirect( $user, $username, $password ) {
if ( isset( $_REQUEST['interim-login'] ) ) {
return $user;
}
if ( empty( $username ) || empty( $password ) ) {
$id = self::get_login_page_id();
if ( ! empty( $id ) ) {
$login_page = get_permalink( $id );
wp_redirect( $login_page );
exit;
}
}
return $user;
}
/**
* Logout redirect.
*
* Redirects to login page after succesful logout.
*
* @since 2.7.11
* @return void
*/
static public function logout_redirect() {
$id = self::get_login_page_id();
if ( ! empty( $id ) ) {
$login_page = get_permalink( $id );
wp_redirect( $login_page );
exit;
}
}
static public function check_reauth() {
$id = self::get_login_page_id();
if ( ! empty( $id ) && isset( $_GET['redirect_to'] ) && isset( $_GET['reauth'] ) ) {
if ( ! empty( $_GET['redirect_to'] ) && $_GET['reauth'] ) {
// Clear any stale cookies.
wp_clear_auth_cookie();
}
}
}
}
// Initialize the class.
BB_PowerPack_Login_Register::init();