909 lines
22 KiB
PHP
909 lines
22 KiB
PHP
<?php
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/**
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* User API: WP_User class
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*
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* @package WordPress
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* @subpackage Users
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* @since 4.4.0
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*/
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/**
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* Core class used to implement the WP_User object.
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*
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* @since 2.0.0
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*
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* @property string $nickname
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* @property string $description
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* @property string $user_description
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* @property string $first_name
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* @property string $user_firstname
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* @property string $last_name
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* @property string $user_lastname
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* @property string $user_login
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* @property string $user_pass
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* @property string $user_nicename
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* @property string $user_email
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* @property string $user_url
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* @property string $user_registered
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* @property string $user_activation_key
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* @property string $user_status
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* @property int $user_level
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* @property string $display_name
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* @property string $spam
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* @property string $deleted
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* @property string $locale
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* @property string $rich_editing
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* @property string $syntax_highlighting
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* @property string $use_ssl
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*/
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#[AllowDynamicProperties]
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class WP_User {
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/**
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* User data container.
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*
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* @since 2.0.0
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* @var stdClass
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*/
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public $data;
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/**
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* The user's ID.
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*
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* @since 2.1.0
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* @var int
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*/
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public $ID = 0;
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/**
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* Capabilities that the individual user has been granted outside of those inherited from their role.
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*
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* @since 2.0.0
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* @var bool[] Array of key/value pairs where keys represent a capability name
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* and boolean values represent whether the user has that capability.
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*/
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public $caps = array();
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/**
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* User metadata option name.
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*
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* @since 2.0.0
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* @var string
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*/
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public $cap_key;
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/**
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* The roles the user is part of.
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*
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* @since 2.0.0
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* @var string[]
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*/
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public $roles = array();
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/**
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* All capabilities the user has, including individual and role based.
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*
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* @since 2.0.0
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* @var bool[] Array of key/value pairs where keys represent a capability name
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* and boolean values represent whether the user has that capability.
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*/
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public $allcaps = array();
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/**
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* The filter context applied to user data fields.
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*
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* @since 2.9.0
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* @var string
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*/
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public $filter = null;
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/**
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* The site ID the capabilities of this user are initialized for.
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*
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* @since 4.9.0
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* @var int
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*/
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private $site_id = 0;
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/**
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* @since 3.3.0
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* @var array
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*/
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private static $back_compat_keys;
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/**
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* Constructor.
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*
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* Retrieves the userdata and passes it to WP_User::init().
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*
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* @since 2.0.0
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*
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* @param int|string|stdClass|WP_User $id User's ID, a WP_User object, or a user object from the DB.
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* @param string $name Optional. User's username
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* @param int $site_id Optional Site ID, defaults to current site.
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*/
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public function __construct( $id = 0, $name = '', $site_id = '' ) {
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if ( ! isset( self::$back_compat_keys ) ) {
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$prefix = $GLOBALS['wpdb']->prefix;
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self::$back_compat_keys = array(
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'user_firstname' => 'first_name',
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'user_lastname' => 'last_name',
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'user_description' => 'description',
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'user_level' => $prefix . 'user_level',
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$prefix . 'usersettings' => $prefix . 'user-settings',
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$prefix . 'usersettingstime' => $prefix . 'user-settings-time',
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);
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}
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if ( $id instanceof WP_User ) {
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$this->init( $id->data, $site_id );
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return;
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} elseif ( is_object( $id ) ) {
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$this->init( $id, $site_id );
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return;
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}
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if ( ! empty( $id ) && ! is_numeric( $id ) ) {
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$name = $id;
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$id = 0;
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}
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if ( $id ) {
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$data = self::get_data_by( 'id', $id );
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} else {
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$data = self::get_data_by( 'login', $name );
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}
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if ( $data ) {
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$this->init( $data, $site_id );
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} else {
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$this->data = new stdClass();
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}
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}
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/**
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* Sets up object properties, including capabilities.
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*
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* @since 3.3.0
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*
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* @param object $data User DB row object.
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* @param int $site_id Optional. The site ID to initialize for.
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*/
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public function init( $data, $site_id = '' ) {
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if ( ! isset( $data->ID ) ) {
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$data->ID = 0;
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}
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$this->data = $data;
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$this->ID = (int) $data->ID;
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$this->for_site( $site_id );
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}
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/**
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* Returns only the main user fields.
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*
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* @since 3.3.0
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* @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter.
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param string $field The field to query against: 'id', 'ID', 'slug', 'email' or 'login'.
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* @param string|int $value The field value.
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* @return object|false Raw user object.
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*/
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public static function get_data_by( $field, $value ) {
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global $wpdb;
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// 'ID' is an alias of 'id'.
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if ( 'ID' === $field ) {
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$field = 'id';
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}
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if ( 'id' === $field ) {
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// Make sure the value is numeric to avoid casting objects, for example,
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// to int 1.
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if ( ! is_numeric( $value ) ) {
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return false;
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}
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$value = (int) $value;
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if ( $value < 1 ) {
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return false;
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}
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} else {
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$value = trim( $value );
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}
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if ( ! $value ) {
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return false;
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}
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switch ( $field ) {
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case 'id':
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$user_id = $value;
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$db_field = 'ID';
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break;
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case 'slug':
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$user_id = wp_cache_get( $value, 'userslugs' );
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$db_field = 'user_nicename';
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break;
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case 'email':
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$user_id = wp_cache_get( $value, 'useremail' );
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$db_field = 'user_email';
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break;
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case 'login':
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$value = sanitize_user( $value );
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$user_id = wp_cache_get( $value, 'userlogins' );
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$db_field = 'user_login';
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break;
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default:
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return false;
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}
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if ( false !== $user_id ) {
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$user = wp_cache_get( $user_id, 'users' );
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if ( $user ) {
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return $user;
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}
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}
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$user = $wpdb->get_row(
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$wpdb->prepare(
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"SELECT * FROM $wpdb->users WHERE $db_field = %s LIMIT 1",
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$value
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)
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);
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if ( ! $user ) {
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return false;
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}
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update_user_caches( $user );
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return $user;
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}
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/**
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* Magic method for checking the existence of a certain custom field.
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*
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* @since 3.3.0
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*
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* @param string $key User meta key to check if set.
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* @return bool Whether the given user meta key is set.
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*/
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public function __isset( $key ) {
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if ( 'id' === $key ) {
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_deprecated_argument(
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'WP_User->id',
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'2.1.0',
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sprintf(
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/* translators: %s: WP_User->ID */
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__( 'Use %s instead.' ),
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'<code>WP_User->ID</code>'
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)
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);
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$key = 'ID';
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}
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if ( isset( $this->data->$key ) ) {
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return true;
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}
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if ( isset( self::$back_compat_keys[ $key ] ) ) {
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$key = self::$back_compat_keys[ $key ];
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}
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return metadata_exists( 'user', $this->ID, $key );
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}
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/**
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* Magic method for accessing custom fields.
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*
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* @since 3.3.0
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*
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* @param string $key User meta key to retrieve.
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* @return mixed Value of the given user meta key (if set). If `$key` is 'id', the user ID.
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*/
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public function __get( $key ) {
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if ( 'id' === $key ) {
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_deprecated_argument(
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'WP_User->id',
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'2.1.0',
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sprintf(
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/* translators: %s: WP_User->ID */
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__( 'Use %s instead.' ),
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'<code>WP_User->ID</code>'
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)
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);
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return $this->ID;
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}
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if ( isset( $this->data->$key ) ) {
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$value = $this->data->$key;
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} else {
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if ( isset( self::$back_compat_keys[ $key ] ) ) {
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$key = self::$back_compat_keys[ $key ];
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}
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$value = get_user_meta( $this->ID, $key, true );
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}
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if ( $this->filter ) {
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$value = sanitize_user_field( $key, $value, $this->ID, $this->filter );
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}
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return $value;
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}
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/**
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* Magic method for setting custom user fields.
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*
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* This method does not update custom fields in the database. It only stores
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* the value on the WP_User instance.
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*
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* @since 3.3.0
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*
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* @param string $key User meta key.
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* @param mixed $value User meta value.
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*/
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public function __set( $key, $value ) {
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if ( 'id' === $key ) {
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_deprecated_argument(
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'WP_User->id',
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'2.1.0',
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sprintf(
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/* translators: %s: WP_User->ID */
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__( 'Use %s instead.' ),
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'<code>WP_User->ID</code>'
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)
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);
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$this->ID = $value;
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return;
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}
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$this->data->$key = $value;
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}
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/**
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* Magic method for unsetting a certain custom field.
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*
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* @since 4.4.0
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*
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* @param string $key User meta key to unset.
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*/
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public function __unset( $key ) {
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if ( 'id' === $key ) {
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_deprecated_argument(
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'WP_User->id',
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'2.1.0',
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sprintf(
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/* translators: %s: WP_User->ID */
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__( 'Use %s instead.' ),
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'<code>WP_User->ID</code>'
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)
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);
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}
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if ( isset( $this->data->$key ) ) {
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unset( $this->data->$key );
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}
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if ( isset( self::$back_compat_keys[ $key ] ) ) {
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unset( self::$back_compat_keys[ $key ] );
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}
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}
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/**
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* Determines whether the user exists in the database.
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*
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* @since 3.4.0
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*
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* @return bool True if user exists in the database, false if not.
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*/
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public function exists() {
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return ! empty( $this->ID );
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}
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/**
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* Retrieves the value of a property or meta key.
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*
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* Retrieves from the users and usermeta table.
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*
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* @since 3.3.0
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*
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* @param string $key Property
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* @return mixed
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*/
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public function get( $key ) {
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return $this->__get( $key );
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}
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/**
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* Determines whether a property or meta key is set.
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*
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* Consults the users and usermeta tables.
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*
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* @since 3.3.0
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*
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* @param string $key Property.
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* @return bool
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*/
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public function has_prop( $key ) {
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return $this->__isset( $key );
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}
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/**
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* Returns an array representation.
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*
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* @since 3.5.0
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*
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* @return array Array representation.
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*/
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public function to_array() {
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return get_object_vars( $this->data );
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}
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/**
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* Makes private/protected methods readable for backward compatibility.
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*
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* @since 4.3.0
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*
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* @param string $name Method to call.
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* @param array $arguments Arguments to pass when calling.
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* @return mixed|false Return value of the callback, false otherwise.
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*/
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public function __call( $name, $arguments ) {
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if ( '_init_caps' === $name ) {
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return $this->_init_caps( ...$arguments );
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}
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return false;
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}
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/**
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* Sets up capability object properties.
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*
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* Will set the value for the 'cap_key' property to current database table
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* prefix, followed by 'capabilities'. Will then check to see if the
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* property matching the 'cap_key' exists and is an array. If so, it will be
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* used.
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*
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* @since 2.1.0
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* @deprecated 4.9.0 Use WP_User::for_site()
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param string $cap_key Optional capability key
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*/
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protected function _init_caps( $cap_key = '' ) {
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global $wpdb;
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_deprecated_function( __METHOD__, '4.9.0', 'WP_User::for_site()' );
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if ( empty( $cap_key ) ) {
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$this->cap_key = $wpdb->get_blog_prefix( $this->site_id ) . 'capabilities';
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} else {
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$this->cap_key = $cap_key;
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}
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$this->caps = $this->get_caps_data();
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$this->get_role_caps();
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}
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/**
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* Retrieves all of the capabilities of the user's roles, and merges them with
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* individual user capabilities.
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*
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* All of the capabilities of the user's roles are merged with the user's individual
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* capabilities. This means that the user can be denied specific capabilities that
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* their role might have, but the user is specifically denied.
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*
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* @since 2.0.0
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*
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* @return bool[] Array of key/value pairs where keys represent a capability name
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* and boolean values represent whether the user has that capability.
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*/
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public function get_role_caps() {
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$switch_site = false;
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if ( is_multisite() && get_current_blog_id() != $this->site_id ) {
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$switch_site = true;
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switch_to_blog( $this->site_id );
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}
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$wp_roles = wp_roles();
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// Filter out caps that are not role names and assign to $this->roles.
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if ( is_array( $this->caps ) ) {
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$this->roles = array_filter( array_keys( $this->caps ), array( $wp_roles, 'is_role' ) );
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}
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// Build $allcaps from role caps, overlay user's $caps.
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$this->allcaps = array();
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foreach ( (array) $this->roles as $role ) {
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$the_role = $wp_roles->get_role( $role );
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$this->allcaps = array_merge( (array) $this->allcaps, (array) $the_role->capabilities );
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}
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$this->allcaps = array_merge( (array) $this->allcaps, (array) $this->caps );
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if ( $switch_site ) {
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restore_current_blog();
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}
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return $this->allcaps;
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}
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/**
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* Adds role to user.
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*
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* Updates the user's meta data option with capabilities and roles.
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*
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* @since 2.0.0
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*
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* @param string $role Role name.
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*/
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public function add_role( $role ) {
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if ( empty( $role ) ) {
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return;
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}
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if ( in_array( $role, $this->roles, true ) ) {
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return;
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}
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$this->caps[ $role ] = true;
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update_user_meta( $this->ID, $this->cap_key, $this->caps );
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$this->get_role_caps();
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$this->update_user_level_from_caps();
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/**
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* Fires immediately after the user has been given a new role.
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*
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* @since 4.3.0
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*
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* @param int $user_id The user ID.
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* @param string $role The new role.
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*/
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do_action( 'add_user_role', $this->ID, $role );
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}
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/**
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* Removes role from user.
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*
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* @since 2.0.0
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*
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* @param string $role Role name.
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*/
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public function remove_role( $role ) {
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if ( ! in_array( $role, $this->roles, true ) ) {
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return;
|
|
}
|
|
|
|
unset( $this->caps[ $role ] );
|
|
update_user_meta( $this->ID, $this->cap_key, $this->caps );
|
|
$this->get_role_caps();
|
|
$this->update_user_level_from_caps();
|
|
|
|
/**
|
|
* Fires immediately after a role as been removed from a user.
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @param int $user_id The user ID.
|
|
* @param string $role The removed role.
|
|
*/
|
|
do_action( 'remove_user_role', $this->ID, $role );
|
|
}
|
|
|
|
/**
|
|
* Sets the role of the user.
|
|
*
|
|
* This will remove the previous roles of the user and assign the user the
|
|
* new one. You can set the role to an empty string and it will remove all
|
|
* of the roles from the user.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param string $role Role name.
|
|
*/
|
|
public function set_role( $role ) {
|
|
if ( 1 === count( $this->roles ) && current( $this->roles ) == $role ) {
|
|
return;
|
|
}
|
|
|
|
foreach ( (array) $this->roles as $oldrole ) {
|
|
unset( $this->caps[ $oldrole ] );
|
|
}
|
|
|
|
$old_roles = $this->roles;
|
|
|
|
if ( ! empty( $role ) ) {
|
|
$this->caps[ $role ] = true;
|
|
$this->roles = array( $role => true );
|
|
} else {
|
|
$this->roles = array();
|
|
}
|
|
|
|
update_user_meta( $this->ID, $this->cap_key, $this->caps );
|
|
$this->get_role_caps();
|
|
$this->update_user_level_from_caps();
|
|
|
|
foreach ( $old_roles as $old_role ) {
|
|
if ( ! $old_role || $old_role === $role ) {
|
|
continue;
|
|
}
|
|
|
|
/** This action is documented in wp-includes/class-wp-user.php */
|
|
do_action( 'remove_user_role', $this->ID, $old_role );
|
|
}
|
|
|
|
if ( $role && ! in_array( $role, $old_roles, true ) ) {
|
|
/** This action is documented in wp-includes/class-wp-user.php */
|
|
do_action( 'add_user_role', $this->ID, $role );
|
|
}
|
|
|
|
/**
|
|
* Fires after the user's role has changed.
|
|
*
|
|
* @since 2.9.0
|
|
* @since 3.6.0 Added $old_roles to include an array of the user's previous roles.
|
|
*
|
|
* @param int $user_id The user ID.
|
|
* @param string $role The new role.
|
|
* @param string[] $old_roles An array of the user's previous roles.
|
|
*/
|
|
do_action( 'set_user_role', $this->ID, $role, $old_roles );
|
|
}
|
|
|
|
/**
|
|
* Chooses the maximum level the user has.
|
|
*
|
|
* Will compare the level from the $item parameter against the $max
|
|
* parameter. If the item is incorrect, then just the $max parameter value
|
|
* will be returned.
|
|
*
|
|
* Used to get the max level based on the capabilities the user has. This
|
|
* is also based on roles, so if the user is assigned the Administrator role
|
|
* then the capability 'level_10' will exist and the user will get that
|
|
* value.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param int $max Max level of user.
|
|
* @param string $item Level capability name.
|
|
* @return int Max Level.
|
|
*/
|
|
public function level_reduction( $max, $item ) {
|
|
if ( preg_match( '/^level_(10|[0-9])$/i', $item, $matches ) ) {
|
|
$level = (int) $matches[1];
|
|
return max( $max, $level );
|
|
} else {
|
|
return $max;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates the maximum user level for the user.
|
|
*
|
|
* Updates the 'user_level' user metadata (includes prefix that is the
|
|
* database table prefix) with the maximum user level. Gets the value from
|
|
* the all of the capabilities that the user has.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*/
|
|
public function update_user_level_from_caps() {
|
|
global $wpdb;
|
|
$this->user_level = array_reduce( array_keys( $this->allcaps ), array( $this, 'level_reduction' ), 0 );
|
|
update_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level', $this->user_level );
|
|
}
|
|
|
|
/**
|
|
* Adds capability and grant or deny access to capability.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param string $cap Capability name.
|
|
* @param bool $grant Whether to grant capability to user.
|
|
*/
|
|
public function add_cap( $cap, $grant = true ) {
|
|
$this->caps[ $cap ] = $grant;
|
|
update_user_meta( $this->ID, $this->cap_key, $this->caps );
|
|
$this->get_role_caps();
|
|
$this->update_user_level_from_caps();
|
|
}
|
|
|
|
/**
|
|
* Removes capability from user.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param string $cap Capability name.
|
|
*/
|
|
public function remove_cap( $cap ) {
|
|
if ( ! isset( $this->caps[ $cap ] ) ) {
|
|
return;
|
|
}
|
|
unset( $this->caps[ $cap ] );
|
|
update_user_meta( $this->ID, $this->cap_key, $this->caps );
|
|
$this->get_role_caps();
|
|
$this->update_user_level_from_caps();
|
|
}
|
|
|
|
/**
|
|
* Removes all of the capabilities of the user.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*/
|
|
public function remove_all_caps() {
|
|
global $wpdb;
|
|
$this->caps = array();
|
|
delete_user_meta( $this->ID, $this->cap_key );
|
|
delete_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level' );
|
|
$this->get_role_caps();
|
|
}
|
|
|
|
/**
|
|
* Returns whether the user has the specified capability.
|
|
*
|
|
* This function also accepts an ID of an object to check against if the capability is a meta capability. Meta
|
|
* capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to
|
|
* map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`.
|
|
*
|
|
* Example usage:
|
|
*
|
|
* $user->has_cap( 'edit_posts' );
|
|
* $user->has_cap( 'edit_post', $post->ID );
|
|
* $user->has_cap( 'edit_post_meta', $post->ID, $meta_key );
|
|
*
|
|
* While checking against a role in place of a capability is supported in part, this practice is discouraged as it
|
|
* may produce unreliable results.
|
|
*
|
|
* @since 2.0.0
|
|
* @since 5.3.0 Formalized the existing and already documented `...$args` parameter
|
|
* by adding it to the function signature.
|
|
*
|
|
* @see map_meta_cap()
|
|
*
|
|
* @param string $cap Capability name.
|
|
* @param mixed ...$args Optional further parameters, typically starting with an object ID.
|
|
* @return bool Whether the user has the given capability, or, if an object ID is passed, whether the user has
|
|
* the given capability for that object.
|
|
*/
|
|
public function has_cap( $cap, ...$args ) {
|
|
if ( is_numeric( $cap ) ) {
|
|
_deprecated_argument( __FUNCTION__, '2.0.0', __( 'Usage of user levels is deprecated. Use capabilities instead.' ) );
|
|
$cap = $this->translate_level_to_cap( $cap );
|
|
}
|
|
|
|
$caps = map_meta_cap( $cap, $this->ID, ...$args );
|
|
|
|
// Multisite super admin has all caps by definition, Unless specifically denied.
|
|
if ( is_multisite() && is_super_admin( $this->ID ) ) {
|
|
if ( in_array( 'do_not_allow', $caps, true ) ) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Maintain BC for the argument passed to the "user_has_cap" filter.
|
|
$args = array_merge( array( $cap, $this->ID ), $args );
|
|
|
|
/**
|
|
* Dynamically filter a user's capabilities.
|
|
*
|
|
* @since 2.0.0
|
|
* @since 3.7.0 Added the `$user` parameter.
|
|
*
|
|
* @param bool[] $allcaps Array of key/value pairs where keys represent a capability name
|
|
* and boolean values represent whether the user has that capability.
|
|
* @param string[] $caps Required primitive capabilities for the requested capability.
|
|
* @param array $args {
|
|
* Arguments that accompany the requested capability check.
|
|
*
|
|
* @type string $0 Requested capability.
|
|
* @type int $1 Concerned user ID.
|
|
* @type mixed ...$2 Optional second and further parameters, typically object ID.
|
|
* }
|
|
* @param WP_User $user The user object.
|
|
*/
|
|
$capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args, $this );
|
|
|
|
// Everyone is allowed to exist.
|
|
$capabilities['exist'] = true;
|
|
|
|
// Nobody is allowed to do things they are not allowed to do.
|
|
unset( $capabilities['do_not_allow'] );
|
|
|
|
// Must have ALL requested caps.
|
|
foreach ( (array) $caps as $cap ) {
|
|
if ( empty( $capabilities[ $cap ] ) ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Converts numeric level to level capability name.
|
|
*
|
|
* Prepends 'level_' to level number.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param int $level Level number, 1 to 10.
|
|
* @return string
|
|
*/
|
|
public function translate_level_to_cap( $level ) {
|
|
return 'level_' . $level;
|
|
}
|
|
|
|
/**
|
|
* Sets the site to operate on. Defaults to the current site.
|
|
*
|
|
* @since 3.0.0
|
|
* @deprecated 4.9.0 Use WP_User::for_site()
|
|
*
|
|
* @param int $blog_id Optional. Site ID, defaults to current site.
|
|
*/
|
|
public function for_blog( $blog_id = '' ) {
|
|
_deprecated_function( __METHOD__, '4.9.0', 'WP_User::for_site()' );
|
|
|
|
$this->for_site( $blog_id );
|
|
}
|
|
|
|
/**
|
|
* Sets the site to operate on. Defaults to the current site.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int $site_id Site ID to initialize user capabilities for. Default is the current site.
|
|
*/
|
|
public function for_site( $site_id = '' ) {
|
|
global $wpdb;
|
|
|
|
if ( ! empty( $site_id ) ) {
|
|
$this->site_id = absint( $site_id );
|
|
} else {
|
|
$this->site_id = get_current_blog_id();
|
|
}
|
|
|
|
$this->cap_key = $wpdb->get_blog_prefix( $this->site_id ) . 'capabilities';
|
|
|
|
$this->caps = $this->get_caps_data();
|
|
|
|
$this->get_role_caps();
|
|
}
|
|
|
|
/**
|
|
* Gets the ID of the site for which the user's capabilities are currently initialized.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @return int Site ID.
|
|
*/
|
|
public function get_site_id() {
|
|
return $this->site_id;
|
|
}
|
|
|
|
/**
|
|
* Gets the available user capabilities data.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @return bool[] List of capabilities keyed by the capability name,
|
|
* e.g. array( 'edit_posts' => true, 'delete_posts' => false ).
|
|
*/
|
|
private function get_caps_data() {
|
|
$caps = get_user_meta( $this->ID, $this->cap_key, true );
|
|
|
|
if ( ! is_array( $caps ) ) {
|
|
return array();
|
|
}
|
|
|
|
return $caps;
|
|
}
|
|
}
|