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<?php
/**
* Sync for users.
*
* @package automattic/jetpack-sync
*/
namespace Automattic\Jetpack\Sync;
use Automattic\Jetpack\Connection\Manager as Jetpack_Connection;
use Automattic\Jetpack\Connection\XMLRPC_Async_Call;
use Automattic\Jetpack\Roles;
/**
* Class Users.
*
* Responsible for syncing user data changes.
*/
class Users {
/**
* Roles of all users, indexed by user ID.
*
* @access public
* @static
*
* @var array
*/
public static $user_roles = array();
/**
* Initialize sync for user data changes.
*
* @access public
* @static
* @todo Eventually, connection needs to be instantiated at the top level in the sync package.
*/
public static function init() {
add_action( 'jetpack_user_authorized', array( 'Automattic\\Jetpack\\Sync\\Actions', 'do_initial_sync' ), 10, 0 );
$connection = new Jetpack_Connection();
if ( $connection->has_connected_user() ) {
// Kick off synchronization of user role when it changes.
add_action( 'set_user_role', array( __CLASS__, 'user_role_change' ) );
}
}
/**
* Synchronize connected user role changes.
*
* @access public
* @static
*
* @param int $user_id ID of the user.
*/
public static function user_role_change( $user_id ) {
$connection = new Jetpack_Connection();
if ( $connection->is_user_connected( $user_id ) ) {
self::update_role_on_com( $user_id );
// Try to choose a new master if we're demoting the current one.
self::maybe_demote_master_user( $user_id );
}
}
/**
* Retrieve the role of a user by their ID.
*
* @access public
* @static
*
* @param int $user_id ID of the user.
* @return string Role of the user.
*/
public static function get_role( $user_id ) {
if ( isset( self::$user_roles[ $user_id ] ) ) {
return self::$user_roles[ $user_id ];
}
$current_user_id = get_current_user_id();
wp_set_current_user( $user_id );
$roles = new Roles();
$role = $roles->translate_current_user_to_role();
wp_set_current_user( $current_user_id );
self::$user_roles[ $user_id ] = $role;
return $role;
}
/**
* Retrieve the signed role of a user by their ID.
*
* @access public
* @static
*
* @param int $user_id ID of the user.
* @return string Signed role of the user.
*/
public static function get_signed_role( $user_id ) {
$connection = new Jetpack_Connection();
return $connection->sign_role( self::get_role( $user_id ), $user_id );
}
/**
* Retrieve the signed role and update it in WP.com for that user.
*
* @access public
* @static
*
* @param int $user_id ID of the user.
*/
public static function update_role_on_com( $user_id ) {
$signed_role = self::get_signed_role( $user_id );
XMLRPC_Async_Call::add_call( 'jetpack.updateRole', get_current_user_id(), $user_id, $signed_role );
}
/**
* Choose a new master user if we're demoting the current one.
*
* @access public
* @static
* @todo Disconnect if there is no user with enough capabilities to be the master user.
* @uses \WP_User_Query
*
* @param int $user_id ID of the user.
*/
public static function maybe_demote_master_user( $user_id ) {
$master_user_id = (int) \Jetpack_Options::get_option( 'master_user' );
$role = self::get_role( $user_id );
if ( $user_id === $master_user_id && 'administrator' !== $role ) {
$query = new \WP_User_Query(
array(
'fields' => array( 'ID' ),
'role' => 'administrator',
'orderby' => 'ID',
'exclude' => array( $master_user_id ),
)
);
$new_master = false;
$connection = new Jetpack_Connection();
foreach ( $query->results as $result ) {
$found_user_id = absint( $result->ID );
if ( $found_user_id && $connection->is_user_connected( $found_user_id ) ) {
$new_master = $found_user_id;
break;
}
}
if ( $new_master ) {
\Jetpack_Options::update_option( 'master_user', $new_master );
}
// TODO: else disconnect..?
}
}
}