/**
* Present a login screen to anyone not logged in
*
* Check for already logged in or just logged in.
* Only called when is_admin() is FALSE
*
* @return NULL Nothing is returned
*/
function jr_ps_force_login()
{
global $jr_ps_is_login;
if (is_user_logged_in() || isset($jr_ps_is_login)) {
return;
}
$settings = get_option('jr_ps_settings');
/* URL of current page without http://, i.e. - starting with domain
*/
$current_url = $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
if ($settings['excl_home'] && jr_v1_same_url(get_home_url(), $current_url)) {
return;
}
if ($settings['custom_login'] && !empty($settings['login_url']) && jr_v1_same_url($settings['login_url'], $current_url)) {
return;
}
if (isset($settings['excl_url'])) {
foreach ($settings['excl_url'] as $arr) {
/* Test the pre-parsed URL in the URL Exclusion list
*/
if (jr_v1_same_url($arr[1], $current_url)) {
return;
}
}
}
if (isset($settings['excl_url_prefix'])) {
foreach ($settings['excl_url_prefix'] as $arr) {
/* Test the pre-parsed URL in the Prefix URL Exclusion list
*/
if (jr_v1_same_prefix_url($arr[1], $current_url)) {
return;
}
}
}
if ($settings['reveal_registration']) {
$buddypress_path = 'buddypress/bp-loader.php';
$buddypress_active = is_plugin_active($buddypress_path);
/* URL of Registration Page varies between Multisite (Network)
and Single Site WordPress.
Plus, wp_registration_url function was introduced in
WordPress Version 3.6.
*/
if (is_multisite()) {
$reg_url = get_site_url(0, 'wp-signup.php');
$buddypress_active = $buddypress_active || is_plugin_active_for_network($buddypress_path);
} else {
if (function_exists('wp_registration_url')) {
$reg_url = wp_registration_url();
} else {
$reg_url = get_site_url(0, 'wp-login.php?action=register');
}
}
if (jr_v1_same_url($reg_url, $current_url) || $buddypress_active && (jr_v1_same_url(get_site_url(0, 'register'), $current_url) || jr_v1_same_url(get_site_url(0, 'activate'), parse_url($current_url, PHP_URL_HOST) . parse_url($current_url, PHP_URL_PATH)))) {
/* BuddyPress plugin redirects Registration URL to
either {current site}/register/ or {main site}/register/
and has its own Activation at /activate/?key=...
*/
return;
}
}
/* Must exclude all of the pages generated by the Theme My Login plugin
*/
$theme_my_login_path = 'theme-my-login/theme-my-login.php';
$theme_my_login_active = is_plugin_active($theme_my_login_path);
if (is_multisite()) {
$theme_my_login_active = $theme_my_login_active || is_plugin_active_for_network($theme_my_login_path);
}
if ($theme_my_login_active) {
if (NULL !== ($page = get_post($null = NULL))) {
/* Some Versions of WordPress required that get_post() have a parameter
*/
if ('page' === $page->post_type && in_array($page->post_name, array('login', 'logout', 'lostpassword', 'register', 'resetpass')) && stripos($page->post_content, 'theme-my-login')) {
return;
}
}
}
if ($settings['custom_login'] && !empty($settings['login_url'])) {
$url = jr_ps_login_url($settings['login_url']);
} else {
/* wp_login_url() returns the standard WordPress login URL,
but the login_url Filter adds the ?redirect_to= query in the URL.
*/
$url = wp_login_url();
}
/* wp_redirect( $url ) goes to $url right after exit on the line that follows.
*/
wp_redirect($url);
exit;
}
/**
* Present a login screen to anyone not logged in
*
* Check for already logged in or just logged in.
* Only called when is_admin() is FALSE
*
* @return NULL Nothing is returned
*/
function jr_ps_force_login()
{
/* return statements are performed only if User does not need to login.
First, check if User is on a Login panel.
*/
global $jr_ps_is_login, $jr_ps_plugin_data;
if (isset($jr_ps_is_login)) {
return;
}
$settings = get_option('jr_ps_settings');
/* Next, check if User is already logged in, and has a Role on this Site.
*/
$role = TRUE;
if (is_user_logged_in()) {
if (is_multisite()) {
if (is_user_member_of_blog()) {
return;
} else {
/* User is logged on to a Site where he/she has no Role.
*/
if ($settings['check_role']) {
$role = FALSE;
} else {
/* User can see all of public site.
*/
return;
}
}
} else {
return;
}
}
/* URL of current page without http://, i.e. - starting with domain
*/
$current_url = $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
if ($settings['excl_home'] && jr_v1_same_url(get_home_url(), $current_url)) {
return;
}
if ($settings['custom_login'] && !empty($settings['login_url']) && jr_v1_same_url($settings['login_url'], $current_url)) {
return;
}
if (isset($settings['excl_url'])) {
foreach ($settings['excl_url'] as $arr) {
/* Test the pre-parsed URL in the URL Exclusion list
*/
if (jr_v1_same_url($arr[1], $current_url)) {
return;
}
}
}
if (isset($settings['excl_url_prefix'])) {
foreach ($settings['excl_url_prefix'] as $arr) {
/* Test the pre-parsed URL in the Prefix URL Exclusion list
*/
if (jr_v1_same_prefix_url($arr[1], $current_url)) {
return;
}
}
}
if ($settings['reveal_registration']) {
$buddypress_path = 'buddypress/bp-loader.php';
$buddypress_active = is_plugin_active($buddypress_path);
/* URL of Registration Page varies between Multisite (Network)
and Single Site WordPress.
Plus, wp_registration_url function was introduced in
WordPress Version 3.6.
*/
if (is_multisite()) {
$reg_url = get_site_url(0, 'wp-signup.php');
$buddypress_active = $buddypress_active || is_plugin_active_for_network($buddypress_path);
} else {
if (function_exists('wp_registration_url')) {
$reg_url = wp_registration_url();
} else {
$reg_url = get_site_url(0, 'wp-login.php?action=register');
}
}
if (jr_v1_same_url($reg_url, $current_url) || $buddypress_active && (jr_v1_same_url(get_site_url(0, 'register'), $current_url) || jr_v1_same_url(get_site_url(0, 'activate'), parse_url($current_url, PHP_URL_HOST) . parse_url($current_url, PHP_URL_PATH)))) {
/* BuddyPress plugin redirects Registration URL to
either {current site}/register/ or {main site}/register/
and has its own Activation at /activate/?key=...
*/
return;
}
}
/* Must exclude all of the pages generated by the Theme My Login plugin
*/
$theme_my_login_path = 'theme-my-login/theme-my-login.php';
$theme_my_login_active = is_plugin_active($theme_my_login_path);
if (is_multisite()) {
$theme_my_login_active = $theme_my_login_active || is_plugin_active_for_network($theme_my_login_path);
}
if ($theme_my_login_active) {
if (NULL !== ($page = get_post($null = NULL))) {
/* Some Versions of WordPress required that get_post() have a parameter
*/
if ('page' === $page->post_type && in_array($page->post_name, array('login', 'logout', 'lostpassword', 'register', 'resetpass')) && stripos($page->post_content, 'theme-my-login')) {
return;
}
}
}
/* Point of No Return:
We now know that the Visitor must be forced to login
if the Visitor wants to see the current URL.
*/
if (!$role) {
/* User is logged on to a Site where he/she has no Role.
*/
$message = 'You (User "' . wp_get_current_user()->user_login . '") cannot view this Site ("' . get_bloginfo('name', 'display') . '").<hr />' . 'Your User ID has not been defined to this Site. ' . 'If you believe that you should be able to access this Site, ' . 'please contact your network administrator or this site\'s webmaster, ' . 'and mention that your access was blocked by the <em>' . $jr_ps_plugin_data['Name'] . '</em> plugin.';
wp_die($message);
}
if ($settings['custom_login'] && !empty($settings['login_url'])) {
$url = jr_ps_login_url($settings['login_url']);
} else {
/* wp_login_url() returns the standard WordPress login URL,
but the login_url Filter adds the ?redirect_to= query in the URL.
*/
$url = wp_login_url();
}
/* wp_redirect( $url ) goes to $url right after exit on the line that follows.
*/
wp_redirect($url);
exit;
}