<?php

/**

 * Multisite users administration panel.

 *

 * @package WordPress

 * @subpackage Multisite

 * @since 3.0.0

 */

/** Load WordPress Administration Bootstrap */

require_once __DIR__ . '/admin.php';

if ( ! current_user_can( 'manage_network_users' ) ) {

	wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );

}

if ( isset( $_GET['action'] ) ) {

	/** This action is documented in wp-admin/network/edit.php */

	do_action( 'wpmuadminedit' );

	switch ( $_GET['action'] ) {

		case 'deleteuser':

			if ( ! current_user_can( 'manage_network_users' ) ) {

				wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );

			}

			check_admin_referer( 'deleteuser' );

			$id = (int) $_GET['id'];

			if ( $id > 1 ) {

				$_POST['allusers'] = array( $id ); // confirm_delete_users() can only handle arrays.

				// Used in the HTML title tag.

				$title       = __( 'Users' );

				$parent_file = 'users.php';

				require_once ABSPATH . 'wp-admin/admin-header.php';

				echo '<div class="wrap">';

				confirm_delete_users( $_POST['allusers'] );

				echo '</div>';

				require_once ABSPATH . 'wp-admin/admin-footer.php';

			} else {

				wp_redirect( network_admin_url( 'users.php' ) );

			}

			exit;

		case 'allusers':

			if ( ! current_user_can( 'manage_network_users' ) ) {

				wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );

			}

			if ( isset( $_POST['action'] ) && isset( $_POST['allusers'] ) ) {

				check_admin_referer( 'bulk-users-network' );

				$doaction     = $_POST['action'];

				$userfunction = '';

				foreach ( (array) $_POST['allusers'] as $user_id ) {

					if ( ! empty( $user_id ) ) {

						switch ( $doaction ) {

							case 'delete':

								if ( ! current_user_can( 'delete_users' ) ) {

									wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );

								}

								// Used in the HTML title tag.

								$title       = __( 'Users' );

								$parent_file = 'users.php';

								require_once ABSPATH . 'wp-admin/admin-header.php';

								echo '<div class="wrap">';

								confirm_delete_users( $_POST['allusers'] );

								echo '</div>';

								require_once ABSPATH . 'wp-admin/admin-footer.php';

								exit;

							case 'spam':

								$user = get_userdata( $user_id );

								if ( is_super_admin( $user->ID ) ) {

									wp_die(

										sprintf(

											/* translators: %s: User login. */

											__( 'Warning! User cannot be modified. The user %s is a network administrator.' ),

											esc_html( $user->user_login )

										)

									);

								}

								$userfunction = 'all_spam';

								$blogs        = get_blogs_of_user( $user_id, true );

								foreach ( (array) $blogs as $details ) {

									if ( ! is_main_site( $details->userblog_id ) ) { // Main site is not a spam!

										update_blog_status( $details->userblog_id, 'spam', '1' );

									}

								}

								$user_data         = $user->to_array();

								$user_data['spam'] = '1';

								wp_update_user( $user_data );

								break;

							case 'notspam':

								$user = get_userdata( $user_id );

								$userfunction = 'all_notspam';

								$blogs        = get_blogs_of_user( $user_id, true );

								foreach ( (array) $blogs as $details ) {

									update_blog_status( $details->userblog_id, 'spam', '0' );

								}

								$user_data         = $user->to_array();

								$user_data['spam'] = '0';

								wp_update_user( $user_data );

								break;

						}

					}

				}

				if ( ! in_array( $doaction, array( 'delete', 'spam', 'notspam' ), true ) ) {

					$sendback = wp_get_referer();

					$user_ids = (array) $_POST['allusers'];

					/** This action is documented in wp-admin/network/site-themes.php */

					$sendback = apply_filters( 'handle_network_bulk_actions-' . get_current_screen()->id, $sendback, $doaction, $user_ids ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

					wp_safe_redirect( $sendback );

					exit;

				}

				wp_safe_redirect(

					add_query_arg(

						array(

							'updated' => 'true',

							'action'  => $userfunction,

						),

						wp_get_referer()

					)

				);

			} else {

				$location = network_admin_url( 'users.php' );

				if ( ! empty( $_REQUEST['paged'] ) ) {

					$location = add_query_arg( 'paged', (int) $_REQUEST['paged'], $location );

				}

				wp_redirect( $location );

			}

			exit;

		case 'dodelete':

			check_admin_referer( 'ms-users-delete' );

			if ( ! ( current_user_can( 'manage_network_users' ) && current_user_can( 'delete_users' ) ) ) {

				wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );

			}

			if ( ! empty( $_POST['blog'] ) && is_array( $_POST['blog'] ) ) {

				foreach ( $_POST['blog'] as $id => $users ) {

					foreach ( $users as $blogid => $user_id ) {

						if ( ! current_user_can( 'delete_user', $id ) ) {

							continue;

						}

						if ( ! empty( $_POST['delete'] ) && 'reassign' === $_POST['delete'][ $blogid ][ $id ] ) {

							remove_user_from_blog( $id, $blogid, (int) $user_id );

						} else {

							remove_user_from_blog( $id, $blogid );

						}

					}

				}

			}

			$i = 0;

			if ( is_array( $_POST['user'] ) && ! empty( $_POST['user'] ) ) {

				foreach ( $_POST['user'] as $id ) {

					if ( ! current_user_can( 'delete_user', $id ) ) {

						continue;

					}

					wpmu_delete_user( $id );

					++$i;

				}

			}

			if ( 1 === $i ) {

				$deletefunction = 'delete';

			} else {

				$deletefunction = 'all_delete';

			}

			wp_redirect(

				add_query_arg(

					array(

						'updated' => 'true',

						'action'  => $deletefunction,

					),

					network_admin_url( 'users.php' )

				)

			);

			exit;

	}

}

$wp_list_table = _get_list_table( 'WP_MS_Users_List_Table' );

$pagenum       = $wp_list_table->get_pagenum();

$wp_list_table->prepare_items();

$total_pages = $wp_list_table->get_pagination_arg( 'total_pages' );

if ( $pagenum > $total_pages && $total_pages > 0 ) {

	wp_redirect( add_query_arg( 'paged', $total_pages ) );

	exit;

}

// Used in the HTML title tag.

$title       = __( 'Users' );

$parent_file = 'users.php';

add_screen_option( 'per_page' );

get_current_screen()->add_help_tab(

	array(

		'id'      => 'overview',

		'title'   => __( 'Overview' ),

		'content' =>

			'<p>' . __( 'This table shows all users across the network and the sites to which they are assigned.' ) . '</p>' .

			'<p>' . __( 'Hover over any user on the list to make the edit links appear. The Edit link on the left will take you to their Edit User profile page; the Edit link on the right by any site name goes to an Edit Site screen for that site.' ) . '</p>' .

			'<p>' . __( 'You can also go to the user&#8217;s profile page by clicking on the individual username.' ) . '</p>' .

			'<p>' . __( 'You can sort the table by clicking on any of the table headings and switch between list and excerpt views by using the icons above the users list.' ) . '</p>' .

			'<p>' . __( 'The bulk action will permanently delete selected users, or mark/unmark those selected as spam. Spam users will have posts removed and will be unable to sign up again with the same email addresses.' ) . '</p>' .

			'<p>' . __( 'You can make an existing user an additional super admin by going to the Edit User profile page and checking the box to grant that privilege.' ) . '</p>',

	)

);

get_current_screen()->set_help_sidebar(

	'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .

	'<p>' . __( '<a href="https://codex.wordpress.org/Network_Admin_Users_Screen">Documentation on Network Users</a>' ) . '</p>' .

	'<p>' . __( '<a href="https://wordpress.org/support/forum/multisite/">Support forums</a>' ) . '</p>'

);

get_current_screen()->set_screen_reader_content(

	array(

		'heading_views'      => __( 'Filter users list' ),

		'heading_pagination' => __( 'Users list navigation' ),

		'heading_list'       => __( 'Users list' ),

	)

);

require_once ABSPATH . 'wp-admin/admin-header.php';

if ( isset( $_REQUEST['updated'] ) && 'true' === $_REQUEST['updated'] && ! empty( $_REQUEST['action'] ) ) {

	$message = '';

	switch ( $_REQUEST['action'] ) {

		case 'delete':

			$message = __( 'User deleted.' );

			break;

		case 'all_spam':

			$message = __( 'Users marked as spam.' );

			break;

		case 'all_notspam':

			$message = __( 'Users removed from spam.' );

			break;

		case 'all_delete':

			$message = __( 'Users deleted.' );

			break;

		case 'add':

			$message = __( 'User added.' );

			break;

	}

	wp_admin_notice(

		$message,

		array(

			'type'        => 'success',

			'dismissible' => true,

			'id'          => 'message',

		)

	);

}

?>

<div class="wrap">

	<h1 class="wp-heading-inline"><?php esc_html_e( 'Users' ); ?></h1>

	<?php

	if ( current_user_can( 'create_users' ) ) :

		?>

		<a href="<?php echo esc_url( network_admin_url( 'user-new.php' ) ); ?>" class="page-title-action"><?php echo esc_html__( 'Add User' ); ?></a>

		<?php

	endif;

	if ( strlen( $usersearch ) ) {

		echo '<span class="subtitle">';

		printf(

			/* translators: %s: Search query. */

			__( 'Search results for: %s' ),

			'<strong>' . esc_html( $usersearch ) . '</strong>'

		);

		echo '</span>';

	}

	?>

	<hr class="wp-header-end">

	<?php $wp_list_table->views(); ?>

	<form method="get" class="search-form">

		<?php $wp_list_table->search_box( __( 'Search Users' ), 'all-user' ); ?>

	</form>

	<form id="form-user-list" action="users.php?action=allusers" method="post">

		<?php $wp_list_table->display(); ?>

	</form>

</div>

<?php require_once ABSPATH . 'wp-admin/admin-footer.php'; ?>