<?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'; ?>