/**
* Filters the meta map process to handle complex capability checks.
*
* Global admins have all capabilities. This function ensures that as well (in the rare case that
* a global admin is not technically a super admin for a specific network). Regarding this hacky
* approach in the function, there might be a better alternative...
*
* @since 1.0.0
*
* @param array $caps Returns the user's actual capabilities.
* @param string $cap Capability name.
* @param int $user_id The user ID.
* @param array $args Adds the context to the cap. Typically the object ID.
* @return array The mapped capabilities.
*/
function ga_map_meta_cap($caps, $cap, $user_id, $args)
{
if (!is_multinetwork()) {
return $caps;
}
switch ($cap) {
case 'list_networks':
case 'create_networks':
case 'delete_networks':
$caps = array('manage_networks');
break;
case 'create_user_signups':
case 'edit_user_signups':
case 'activate_signup':
case 'delete_signup':
case 'edit_signup':
case 'resend_signup':
$caps = array('manage_user_signups');
break;
case 'edit_user':
if (!current_user_can('manage_global_users') && isset($args[0])) {
$user = get_userdata($args[0]);
if ($user->has_cap('manage_global_users')) {
$caps[] = 'do_not_allow';
}
}
break;
}
return $caps;
}
/**
* Adjusts the class that the WP Network Roles plugin uses to replace any WP_User instances.
*
* @since 1.0.0
* @access private
*
* @param string $class_name Original class name.
* @return string Modified class name.
*/
function _ga_adjust_user_class_name($class_name)
{
if (!is_multinetwork()) {
return $class_name;
}
return 'WP_User_With_Network_And_Global_Roles';
}
/**
* Adjusts the URL to the networks admin page to be part of the Global Administration panel.
*
* @since 1.0.0
* @access private
*
* @param string $url The original URL.
* @return string The adjusted URL.
*/
function _ga_adjust_signups_admin_url($url, $admin_url, $r, $args)
{
if (!is_multinetwork()) {
return $url;
}
$admin_url = global_admin_url('admin.php');
return add_query_arg($r, $admin_url);
}
function _ga_initialize_admin_bar_changes()
{
if (!is_multinetwork()) {
return;
}
add_action('admin_bar_menu', '_ga_adjust_admin_bar_my_sites_menu', 19, 1);
if (!is_global_admin()) {
return;
}
remove_action('admin_bar_menu', 'wp_admin_bar_site_menu', 30);
remove_action('admin_bar_menu', 'wp_admin_bar_comments_menu', 60);
remove_action('admin_bar_menu', 'wp_admin_bar_new_content_menu', 70);
add_action('admin_bar_menu', '_ga_adjust_admin_bar_site_menu', 30, 1);
}
/**
* Initializes the plugin.
*
* Loads the required files, registers the new DB table, global cache groups and global capabilities.
*
* @since 1.0.0
*/
function ga_init()
{
if (!function_exists('wp_network_roles')) {
add_action('admin_notices', 'ga_requirements_notice_network_roles');
add_action('network_admin_notices', 'ga_requirements_notice_network_roles');
return;
}
define('GA_PATH', plugin_dir_path(__FILE__));
define('GA_URL', plugin_dir_url(__FILE__));
require_once GA_PATH . 'global-admin/wp-includes/load.php';
require_once GA_PATH . 'global-admin/wp-includes/option.php';
require_once GA_PATH . 'global-admin/wp-includes/class-wp-global-role.php';
require_once GA_PATH . 'global-admin/wp-includes/class-wp-global-roles.php';
require_once GA_PATH . 'global-admin/wp-includes/capabilities.php';
require_once GA_PATH . 'global-admin/wp-includes/class-wp-user-with-network-and-global-roles.php';
require_once GA_PATH . 'global-admin/wp-includes/user.php';
require_once GA_PATH . 'global-admin/wp-includes/link-template.php';
require_once GA_PATH . 'global-admin/wp-includes/admin-bar.php';
require_once GA_PATH . 'global-admin/wp-includes/ms-functions.php';
require_once GA_PATH . 'global-admin/wp-includes/ms-default-filters.php';
require_once GA_PATH . 'global-admin/wp-admin/includes/schema.php';
require_once GA_PATH . 'global-admin/wp-admin/includes/hacks.php';
require_once ABSPATH . 'wp-admin/includes/plugin.php';
if (is_plugin_active('wp-multi-network/wpmn-loader.php')) {
require_once GA_PATH . 'global-admin/multi-network-compat.php';
}
if (is_plugin_active('wp-user-signups/wp-user-signups.php')) {
require_once GA_PATH . 'global-admin/user-signups-compat.php';
}
if (is_multinetwork()) {
ga_register_table();
add_action('setup_theme', 'ga_setup_wp_global_roles', 1);
}
if (function_exists('wp_cache_add_global_groups')) {
wp_cache_add_global_groups(array('global-options', 'global-transient'));
}
}
/**
* Adjusts the detection of which networks belong to a user.
*
* Users who are a global admin have full capabilities on all networks.
*
* @since 1.0.0
* @access private
*
* @param array|null $networks Original array of network IDs or null.
* @param int $user_id User ID to get networks for.
* @return array|false Array of network IDs or false if no IDs.
*/
function _ga_user_has_networks($networks, $user_id)
{
if (!is_multinetwork()) {
return $networks;
}
$all_networks = get_networks(array('fields' => 'ids'));
$user = get_user_by('id', $user_id);
if ($user->has_cap('manage_networks')) {
$user_networks = $all_networks;
} else {
$user = get_userdata($user_id);
$user_networks = array();
foreach ($all_networks as $network_id) {
$network_admins = get_network_option($network_id, 'site_admins', array());
if (in_array($user->user_login, $network_admins, true)) {
$user_networks[] = $network_id;
}
}
}
if (empty($user_networks)) {
$user_networks = false;
}
return $user_networks;
}
<?php
/**
* Global Freedoms administration panel.
*
* @package GlobalAdmin
* @since 1.0.0
*/
/** Load WordPress Administration Bootstrap */
require_once dirname(__FILE__) . '/admin.php';
if (!is_multinetwork()) {
wp_die(__('Multinetwork support is not enabled.', 'global-admin'));
}
require ABSPATH . 'wp-admin/freedoms.php';
/**
* Retrieve the SQL for creating database tables.
*
* @since 1.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $scope Optional. The tables for which to retrieve SQL. Can be all, global, ms_global, or blog tables. Defaults to all.
* @param int $blog_id Optional. The site ID for which to retrieve SQL. Default is the current site ID.
* @return string The SQL needed to create the requested tables.
*/
function ga_get_db_schema($scope = 'all', $blog_id = null)
{
global $wpdb;
$charset_collate = $wpdb->get_charset_collate();
// Engage multinetwork if in the middle of turning it on from global.php.
$is_multinetwork = is_multinetwork() || defined('WP_INSTALLING_GLOBAL') && WP_INSTALLING_GLOBAL;
$max_index_length = 191;
$mn_global_tables = "CREATE TABLE {$wpdb->global_options} (\n option_id bigint(20) unsigned NOT NULL auto_increment,\n option_name varchar(191) NOT NULL default '',\n option_value longtext NOT NULL,\n autoload varchar(20) NOT NULL default 'yes',\n PRIMARY KEY (option_id),\n UNIQUE KEY option_name (option_name)\n) {$charset_collate};\n";
switch ($scope) {
case 'blog':
$queries = '';
break;
case 'global':
$queries = '';
if ($is_multinetwork) {
$queries .= $mn_global_tables;
}
break;
case 'mn_global':
$queries = $mn_global_tables;
break;
case 'all':
default:
$queries = '';
if ($is_multinetwork) {
$queries .= $mn_global_tables;
}
break;
}
return $queries;
}
<?php
/**
* Sets up the default filters and actions for Multisite.
*
* If you need to remove a default hook, this file will give you the priority
* for which to use to remove the hook.
*
* Not all of the Multisite default hooks are found in ms-default-filters.php
*
* @package GlobalAdmin
* @since 1.0.0
*/
if (is_multinetwork()) {
add_action('admin_init', 'wp_schedule_update_global_counts');
add_action('update_global_counts', 'wp_update_global_counts');
foreach (array('user_register', 'deleted_user', 'wpmu_new_user', 'make_spam_user', 'make_ham_user') as $action) {
add_action($action, 'wp_maybe_update_global_user_counts');
}
foreach (array('make_spam_blog', 'make_ham_blog', 'archive_blog', 'unarchive_blog', 'make_delete_blog', 'make_undelete_blog') as $action) {
add_action($action, 'wp_maybe_update_global_site_counts');
}
unset($action);
}
?>
<div class="wrap">
<h1><?php
echo esc_html($title);
?>
</h1>
<?php
if ($_POST) {
check_admin_referer('install-global-1');
require_once ABSPATH . 'wp-admin/includes/upgrade.php';
// Create global table.
install_global();
$result = populate_global(sanitize_email($_POST['email']), wp_unslash($_POST['global_name']));
if (is_wp_error($result)) {
global_step1($result);
} else {
global_step2();
}
} elseif (is_multinetwork() || global_table_check()) {
global_step2();
} else {
global_step1();
}
?>
</div>
<?php
if ($_ga_load_admin_files) {
include ABSPATH . 'wp-admin/admin-footer.php';
}
function delete_global_option($option)
{
global $wpdb;
$option = trim($option);
if (empty($option)) {
return false;
}
wp_protect_special_option($option);
// Get the ID, if no ID then return
$row = $wpdb->get_row($wpdb->prepare("SELECT autoload FROM {$wpdb->global_options} WHERE option_name = %s", $option));
if (is_null($row)) {
return false;
}
/**
* Fires immediately before a global option is deleted.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 1.0.0
*
* @param string $option Name of the option to delete.
*/
do_action('pre_delete_global_option_' . $option, $option);
if (!is_multinetwork()) {
$result = delete_network_option(null, $option);
} else {
$result = $wpdb->delete($wpdb->global_options, array('option_name' => $option));
if (!wp_installing()) {
if ('yes' == $row->autoload) {
$alloptions = wp_load_global_alloptions();
if (is_array($alloptions) && isset($alloptions[$option])) {
unset($alloptions[$option]);
wp_cache_set('alloptions', $alloptions, 'global-options');
}
} else {
wp_cache_delete($option, 'global-options');
}
}
}
if ($result) {
/**
* Fires after a specific global option has been deleted.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 1.0.0
*
* @param string $option Name of the deleted option.
*/
do_action("delete_global_option_{$option}", $option);
/**
* Fires after a global option has been deleted.
*
* @since 1.0.0
*
* @param string $option Name of the deleted option.
*/
do_action('deleted_global_option', $option);
return true;
}
return false;
}
/**
* Determine whether this is a multinetwork install or not
* Will only return true if the is_multinetwork() & the add_mnetwork_option() functions exist
* @return bool whether this is a multi-network install capable of handling multi-network options
*/
function is_multinetwork()
{
return function_exists('is_multinetwork') && function_exists('add_mnetwork_option') && is_multinetwork();
}
function global_step2()
{
$main_network_id = get_main_network_id();
$main_network = get_network($main_network_id);
$hostname = $main_network->domain;
$abspath_fix = str_replace('\\', '/', ABSPATH);
$location_of_wp_config = $abspath_fix;
if (!file_exists(ABSPATH . 'wp-config.php') && file_exists(dirname(ABSPATH) . '/wp-config.php')) {
$location_of_wp_config = dirname($abspath_fix);
}
$location_of_wp_config = trailingslashit($location_of_wp_config);
if ($_POST || !is_multinetwork()) {
?>
<h3><?php
esc_html_e('Enabling the Multinetwork');
?>
</h3>
<p><?php
_e('Complete the following steps to enable the global admin panel for creating multiple networks.');
?>
</p>
<div class="updated inline"><p>
<?php
printf(__('We recommend you back up your existing %s file.', 'global-admin'), '<code>wp-config.php</code>');
?>
</p></div>
<?php
} else {
?>
<p><?php
_e('The original configuration steps are shown here for reference.', 'global-admin');
?>
</p>
<?php
}
?>
<ol>
<li>
<p><?php
printf(__('Add the following to your %1$s file in %2$s <strong>above</strong> the line reading %3$s:', 'global-admin'), '<code>wp-config.php</code>', '<code>' . $location_of_wp_config . '</code>', '<code>/* ' . __('That’s all, stop editing! Happy blogging.', 'global-admin') . ' */</code>');
?>
</p>
<textarea class="code" readonly="readonly" cols="100" rows="2">
define('MULTINETWORK', true);
</textarea>
</li>
</ol>
<?php
if (!is_multinetwork()) {
?>
<p><?php
_e('Once you complete these steps, your multinetwork is enabled and configured.', 'global-admin');
?>
</p>
<?php
}
}
/**
* Adjusts the user count option to only include users in the network.
*
* This is a hacky way to fix `wp_update_network_user_counts()` which does not count users in the current network,
* but instead counts all users in the entire setup which is incorrect.
*
* @since 1.0.0
* @access private
*
* @param int $user_count The original number of users.
* @return int The modified number of users.
*/
function _ga_fix_network_user_counts($user_count)
{
global $wpdb;
if (!is_multinetwork()) {
return $user_count;
}
//TODO: When the time is right, this function should use the network_id argument that WP Network Roles introduces.
$site_ids = get_sites(array('fields' => 'ids', 'network_id' => get_current_network_id()));
$args = array('number' => 20, 'meta_query' => array('relation' => 'OR'));
foreach ($site_ids as $site_id) {
$args['meta_query'][] = array('key' => $wpdb->get_blog_prefix($site_id) . 'capabilities', 'compare' => 'EXISTS');
}
$user_query = new WP_User_Query($args);
return $user_query->total_users;
}
function global_admin_url($path = '', $scheme = 'admin')
{
if (!is_multinetwork()) {
return network_admin_url($path, $scheme);
}
$plugin_dir_relative = str_replace(home_url('/'), '', GA_URL);
$url = global_home_url($plugin_dir_relative . 'global-admin/wp-admin/global/', $scheme);
// This would be used if it was part of Core.
//$url = global_site_url( 'wp-admin/global/', $scheme );
if ($path && is_string($path)) {
$url .= ltrim($path, '/');
}
/**
* Filters the global admin URL.
*
* @since 1.0.0
*
* @param string $url The complete global admin URL including scheme and path.
* @param string $path Path relative to the global admin URL. Blank string if
* no path is specified.
*/
return apply_filters('global_admin_url', $url, $path);
}
/**
* Adds the Global Setup screen to the network administration menu if necessary.
*
* If it was in Core, that would happen directly in `wp-admin/network/menu.php`.
*
* @since 1.0.0
* @access private
*/
function _ga_add_global_setup_menu_item()
{
if (is_multinetwork() && !is_main_network()) {
//TODO: add Delete Network screen
}
if (defined('WP_ALLOW_MULTINETWORK') && WP_ALLOW_MULTINETWORK && !is_multinetwork()) {
add_submenu_page('settings.php', __('Global Setup', 'global-admin'), __('Global Setup', 'global-admin'), 'manage_networks', GA_PATH . 'global-admin/wp-admin/network/global.php');
}
}