Michael D. Adams' Force Login plugin plus the voodoo code from Trent Adams and Sam Bauers.
Version: 1.1
Author: mr_pelle
Author URI: http://scr.im/mrpelle
*/
/**
* @license CC-GNU-GPL http://creativecommons.org/licenses/GPL/2.0/
*/
/**
* Define constants
*/
define( 'SWIRL_UNKNOWNS_ID', 'swirl-unknowns' );
define( 'SWIRL_UNKNOWNS_NAME', 'Swirl Unknowns' );
// Create text domain for translations
bb_load_plugin_textdomain( SWIRL_UNKNOWNS_ID, dirname( __FILE__ ) . '/languages' );
/**
* Wrapper class for plugin settings
*/
class Swirl_Unknowns_Settings {
/**
* Swirl page
*
* @var string
*/
var $swirl_page;
/**
* Default swirl page
*
* @var string
*/
var $default_swirl_page;
/**
* List of available percent-substitution tags (tag => value)
*
* @var array
*/
var $tags;
/**
* List of swirl-immune pages
*
* @var array
*/
var $immunes;
/**
* Class constructor
*/
function Swirl_Unknowns_Settings() {
$this->swirl_page = (string) bb_get_option( 'swirl_page' );
$this->tags = array(
'%bb_uri%' => bb_get_option( 'uri' ),
'%domain%' => bb_get_option( 'domain' )
);
$this->immunes = array(
'bb-login.php',
'bb-reset-password.php',
'register.php',
'xmlrpc.php',
'/bb-admin/',
'/rss/'
);
$this->default_swirl_page = $this->tags['%bb_uri%'] . 'bb-login.php';
}
/**
* Functions
*/
/**
* Whether or not plugin is enabled
*
* @return boolean
*/
function isEnabled() {
return !empty( $this->swirl_page );
}
}
// Initialize the class
$swirl_unknowns_settings = new Swirl_Unknowns_Settings();
if ( bb_is_admin() ) // Load admin.php if on admin area
require_once( 'includes/admin.php' );
/**
* Add plugin actions
*/
add_action( 'bb_init', 'swirl_unknowns', 2 ); // Very high action priority
/**
* Functions
*/
/**
* Redirect non-logged-in users to the swirl page
*
* @global $swirl_unknowns_settings
*
* @uses bb_is_user_logged_in()
* @uses wp_redirect()
*
* @return void
*/
function swirl_unknowns() {
global $swirl_unknowns_settings;
if ( false === (bool) $swirl_unknowns_settings->isEnabled() )
return;
$swirl_page = $swirl_unknowns_settings->swirl_page;
$immunes = $swirl_unknowns_settings->immunes;
foreach ( $immunes as &$immune ) { // Prepend '&' to modify var value
// Add shashes to PCRE special chars
$immune = str_replace( '-', '\-', $immune );
$immune = str_replace( '.', '\.', $immune );
$immune = str_replace( '/', '\/', $immune );
}
// Create swirl-immune pages' PCRE pattern
$pattern = implode( '|', $immunes );
// Process percent-substitution tags
foreach ( $swirl_unknowns_settings->tags as $tag => $value )
$swirl_page = str_replace( $tag, $value, $swirl_page );
if (
!bb_is_user_logged_in()
&& !preg_match( '/('. $pattern .')/i', $_SERVER['REQUEST_URI'] )
&& strcasecmp( $_SERVER['REQUEST_URI'], $swirl_page ) // Do not redirect swirl page to itself
) {
wp_redirect( $swirl_page );
exit;
}
}