diff -r 346c88efed21 -r 5e2f62d02dcd wp/wp-includes/capabilities.php --- a/wp/wp-includes/capabilities.php Mon Jun 08 16:11:51 2015 +0000 +++ b/wp/wp-includes/capabilities.php Tue Jun 09 03:35:32 2015 +0200 @@ -13,14 +13,12 @@ * the name in value of the 'name' key. The capabilities are stored as an array * in the value of the 'capability' key. * - * - * array ( - * 'rolename' => array ( - * 'name' => 'rolename', - * 'capabilities' => array() - * ) - * ) - * + * array ( + * 'rolename' => array ( + * 'name' => 'rolename', + * 'capabilities' => array() + * ) + * ) * * @since 2.0.0 * @package WordPress @@ -34,7 +32,7 @@ * @access public * @var array */ - var $roles; + public $roles; /** * List of the role objects. @@ -43,7 +41,7 @@ * @access public * @var array */ - var $role_objects = array(); + public $role_objects = array(); /** * List of role names. @@ -52,7 +50,7 @@ * @access public * @var array */ - var $role_names = array(); + public $role_names = array(); /** * Option name for storing role list. @@ -61,7 +59,7 @@ * @access public * @var string */ - var $role_key; + public $role_key; /** * Whether to use the database for retrieval and storage. @@ -70,18 +68,35 @@ * @access public * @var bool */ - var $use_db = true; + public $use_db = true; /** * Constructor * * @since 2.0.0 */ - function __construct() { + public function __construct() { $this->_init(); } /** + * Make private/protected methods readable for backwards compatibility. + * + * @since 4.0.0 + * @access public + * + * @param callable $name Method to call. + * @param array $arguments Arguments to pass when calling. + * @return mixed|bool Return value of the callback, false otherwise. + */ + public function __call( $name, $arguments ) { + if ( '_init' === $name ) { + return call_user_func_array( array( $this, $name ), $arguments ); + } + return false; + } + + /** * Set up the object properties. * * The role key is set to the current prefix for the $wpdb object with @@ -90,10 +105,11 @@ * * @since 2.1.0 * @access protected - * @uses $wpdb Used to get the database prefix. + * + * @global wpdb $wpdb WordPress database abstraction object. * @global array $wp_user_roles Used to set the 'roles' property value. */ - function _init () { + protected function _init() { global $wpdb, $wp_user_roles; $this->role_key = $wpdb->get_blog_prefix() . 'user_roles'; if ( ! empty( $wp_user_roles ) ) { @@ -123,12 +139,12 @@ * @since 3.5.0 * @access public */ - function reinit() { + public function reinit() { // There is no need to reinit if using the wp_user_roles global. if ( ! $this->use_db ) return; - global $wpdb, $wp_user_roles; + global $wpdb; // Duplicated from _init() to avoid an extra function call. $this->role_key = $wpdb->get_blog_prefix() . 'user_roles'; @@ -160,7 +176,7 @@ * @param array $capabilities List of role capabilities in the above format. * @return WP_Role|null WP_Role object if role is added, null if already exists. */ - function add_role( $role, $display_name, $capabilities = array() ) { + public function add_role( $role, $display_name, $capabilities = array() ) { if ( isset( $this->roles[$role] ) ) return; @@ -183,7 +199,7 @@ * * @param string $role Role name. */ - function remove_role( $role ) { + public function remove_role( $role ) { if ( ! isset( $this->role_objects[$role] ) ) return; @@ -208,7 +224,7 @@ * @param string $cap Capability name. * @param bool $grant Optional, default is true. Whether role is capable of performing capability. */ - function add_cap( $role, $cap, $grant = true ) { + public function add_cap( $role, $cap, $grant = true ) { if ( ! isset( $this->roles[$role] ) ) return; @@ -226,7 +242,7 @@ * @param string $role Role name. * @param string $cap Capability name. */ - function remove_cap( $role, $cap ) { + public function remove_cap( $role, $cap ) { if ( ! isset( $this->roles[$role] ) ) return; @@ -244,7 +260,7 @@ * @param string $role Role name. * @return WP_Role|null WP_Role object if found, null if the role does not exist. */ - function get_role( $role ) { + public function get_role( $role ) { if ( isset( $this->role_objects[$role] ) ) return $this->role_objects[$role]; else @@ -259,7 +275,7 @@ * * @return array List of role names. */ - function get_names() { + public function get_names() { return $this->role_names; } @@ -272,7 +288,7 @@ * @param string $role Role name to look up. * @return bool */ - function is_role( $role ) { + public function is_role( $role ) { return isset( $this->role_names[$role] ); } } @@ -292,7 +308,7 @@ * @access public * @var string */ - var $name; + public $name; /** * List of capabilities the role contains. @@ -301,7 +317,7 @@ * @access public * @var array */ - var $capabilities; + public $capabilities; /** * Constructor - Set up object properties. @@ -315,7 +331,7 @@ * @param string $role Role name. * @param array $capabilities List of capabilities. */ - function __construct( $role, $capabilities ) { + public function __construct( $role, $capabilities ) { $this->name = $role; $this->capabilities = $capabilities; } @@ -330,7 +346,7 @@ * @param string $cap Capability name. * @param bool $grant Whether role has capability privilege. */ - function add_cap( $cap, $grant = true ) { + public function add_cap( $cap, $grant = true ) { global $wp_roles; if ( ! isset( $wp_roles ) ) @@ -353,7 +369,7 @@ * * @param string $cap Capability name. */ - function remove_cap( $cap ) { + public function remove_cap( $cap ) { global $wp_roles; if ( ! isset( $wp_roles ) ) @@ -377,7 +393,16 @@ * @param string $cap Capability name. * @return bool True, if user has capability. False, if doesn't have capability. */ - function has_cap( $cap ) { + public function has_cap( $cap ) { + /** + * Filter which capabilities a role has. + * + * @since 2.0.0 + * + * @param array $capabilities Array of role capabilities. + * @param string $cap Capability name. + * @param string $name Role name. + */ $capabilities = apply_filters( 'role_has_cap', $this->capabilities, $cap, $this->name ); if ( !empty( $capabilities[$cap] ) ) return $capabilities[$cap]; @@ -393,16 +418,31 @@ * @since 2.0.0 * @package WordPress * @subpackage User + * + * @property string $nickname + * @property string $user_description + * @property string $user_firstname + * @property string $user_lastname + * @property string $user_login + * @property string $user_pass + * @property string $user_nicename + * @property string $user_email + * @property string $user_url + * @property string $user_registered + * @property string $user_activation_key + * @property string $user_status + * @property string $display_name + * @property string $spam + * @property string $deleted */ class WP_User { /** * User data container. * * @since 2.0.0 - * @access private - * @var array + * @var object */ - var $data; + public $data; /** * The user's ID. @@ -411,7 +451,7 @@ * @access public * @var int */ - var $ID = 0; + public $ID = 0; /** * The individual capabilities the user has been given. @@ -420,7 +460,7 @@ * @access public * @var array */ - var $caps = array(); + public $caps = array(); /** * User metadata option name. @@ -429,7 +469,7 @@ * @access public * @var string */ - var $cap_key; + public $cap_key; /** * The roles the user is part of. @@ -438,7 +478,7 @@ * @access public * @var array */ - var $roles = array(); + public $roles = array(); /** * All capabilities the user has, including individual and role based. @@ -447,7 +487,7 @@ * @access public * @var array */ - var $allcaps = array(); + public $allcaps = array(); /** * The filter context applied to user data fields. @@ -471,9 +511,8 @@ * @param int|string|stdClass|WP_User $id User's ID, a WP_User object, or a user object from the DB. * @param string $name Optional. User's username * @param int $blog_id Optional Blog ID, defaults to current blog. - * @return WP_User */ - function __construct( $id = 0, $name = '', $blog_id = '' ) { + public function __construct( $id = 0, $name = '', $blog_id = '' ) { if ( ! isset( self::$back_compat_keys ) ) { $prefix = $GLOBALS['wpdb']->prefix; self::$back_compat_keys = array( @@ -486,7 +525,7 @@ ); } - if ( is_a( $id, 'WP_User' ) ) { + if ( $id instanceof WP_User ) { $this->init( $id->data, $blog_id ); return; } elseif ( is_object( $id ) ) { @@ -499,13 +538,17 @@ $id = 0; } - if ( $id ) + if ( $id ) { $data = self::get_data_by( 'id', $id ); - else + } else { $data = self::get_data_by( 'login', $name ); + } - if ( $data ) + if ( $data ) { $this->init( $data, $blog_id ); + } else { + $this->data = new stdClass; + } } /** @@ -514,7 +557,7 @@ * @param object $data User DB row object * @param int $blog_id Optional. The blog id to initialize for */ - function init( $data, $blog_id = '' ) { + public function init( $data, $blog_id = '' ) { $this->data = $data; $this->ID = (int) $data->ID; @@ -528,9 +571,9 @@ * * @param string $field The field to query against: 'id', 'slug', 'email' or 'login' * @param string|int $value The field value - * @return object Raw user object + * @return object|false Raw user object */ - static function get_data_by( $field, $value ) { + public static function get_data_by( $field, $value ) { global $wpdb; if ( 'id' == $field ) { @@ -589,8 +632,10 @@ * Magic method for checking the existence of a certain custom field * * @since 3.3.0 + * @param string $key + * @return bool */ - function __isset( $key ) { + public function __isset( $key ) { if ( 'id' == $key ) { _deprecated_argument( 'WP_User->id', '2.1', __( 'Use WP_User->ID instead.' ) ); $key = 'ID'; @@ -609,8 +654,10 @@ * Magic method for accessing custom fields * * @since 3.3.0 + * @param string $key + * @return mixed */ - function __get( $key ) { + public function __get( $key ) { if ( 'id' == $key ) { _deprecated_argument( 'WP_User->id', '2.1', __( 'Use WP_User->ID instead.' ) ); return $this->ID; @@ -636,7 +683,7 @@ * * @since 3.3.0 */ - function __set( $key, $value ) { + public function __set( $key, $value ) { if ( 'id' == $key ) { _deprecated_argument( 'WP_User->id', '2.1', __( 'Use WP_User->ID instead.' ) ); $this->ID = $value; @@ -654,7 +701,7 @@ * * @return bool True if user exists in the database, false if not. */ - function exists() { + public function exists() { return ! empty( $this->ID ); } @@ -667,7 +714,7 @@ * * @param string $key Property */ - function get( $key ) { + public function get( $key ) { return $this->__get( $key ); } @@ -680,18 +727,18 @@ * * @param string $key Property */ - function has_prop( $key ) { + public function has_prop( $key ) { return $this->__isset( $key ); } - /* + /** * Return an array representation. * * @since 3.5.0 * * @return array Array representation. */ - function to_array() { + public function to_array() { return get_object_vars( $this->data ); } @@ -738,7 +785,7 @@ * * @return array List of all capabilities for the user. */ - function get_role_caps() { + public function get_role_caps() { global $wp_roles; if ( ! isset( $wp_roles ) ) @@ -769,7 +816,7 @@ * * @param string $role Role name. */ - function add_role( $role ) { + public function add_role( $role ) { $this->caps[$role] = true; update_user_meta( $this->ID, $this->cap_key, $this->caps ); $this->get_role_caps(); @@ -784,7 +831,7 @@ * * @param string $role Role name. */ - function remove_role( $role ) { + public function remove_role( $role ) { if ( !in_array($role, $this->roles) ) return; unset( $this->caps[$role] ); @@ -805,7 +852,7 @@ * * @param string $role Role name. */ - function set_role( $role ) { + public function set_role( $role ) { if ( 1 == count( $this->roles ) && $role == current( $this->roles ) ) return; @@ -822,6 +869,17 @@ update_user_meta( $this->ID, $this->cap_key, $this->caps ); $this->get_role_caps(); $this->update_user_level_from_caps(); + + /** + * 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 array $old_roles An array of the user's previous roles. + */ do_action( 'set_user_role', $this->ID, $role, $old_roles ); } @@ -844,7 +902,7 @@ * @param string $item Level capability name. * @return int Max Level. */ - function level_reduction( $max, $item ) { + public function level_reduction( $max, $item ) { if ( preg_match( '/^level_(10|[0-9])$/i', $item, $matches ) ) { $level = intval( $matches[1] ); return max( $max, $level ); @@ -863,7 +921,7 @@ * @since 2.0.0 * @access public */ - function update_user_level_from_caps() { + 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 ); @@ -878,9 +936,11 @@ * @param string $cap Capability name. * @param bool $grant Whether to grant capability to user. */ - function add_cap( $cap, $grant = true ) { + 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(); } /** @@ -891,11 +951,14 @@ * * @param string $cap Capability name. */ - function remove_cap( $cap ) { - if ( ! isset( $this->caps[$cap] ) ) + public function remove_cap( $cap ) { + if ( ! isset( $this->caps[ $cap ] ) ) { return; - unset( $this->caps[$cap] ); + } + unset( $this->caps[ $cap ] ); update_user_meta( $this->ID, $this->cap_key, $this->caps ); + $this->get_role_caps(); + $this->update_user_level_from_caps(); } /** @@ -904,7 +967,7 @@ * @since 2.1.0 * @access public */ - function remove_all_caps() { + public function remove_all_caps() { global $wpdb; $this->caps = array(); delete_user_meta( $this->ID, $this->cap_key ); @@ -925,7 +988,7 @@ * @param string|int $cap Capability or role name to search. * @return bool True, if user has capability; false, if user does not have capability. */ - function has_cap( $cap ) { + public function has_cap( $cap ) { if ( is_numeric( $cap ) ) { _deprecated_argument( __FUNCTION__, '2.0', __('Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead.') ); $cap = $this->translate_level_to_cap( $cap ); @@ -942,6 +1005,17 @@ return true; } + /** + * Dynamically filter a user's capabilities. + * + * @since 2.0.0 + * @since 3.7.0 Added the user object. + * + * @param array $allcaps An array of all the user's capabilities. + * @param array $caps Actual capabilities for meta capability. + * @param array $args Optional parameters passed to has_cap(), typically object ID. + * @param WP_User $user The user object. + */ // Must have ALL requested caps $capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args, $this ); $capabilities['exist'] = true; // Everyone is allowed to exist @@ -964,7 +1038,7 @@ * @param int $level Level number, 1 to 10. * @return string */ - function translate_level_to_cap( $level ) { + public function translate_level_to_cap( $level ) { return 'level_' . $level; } @@ -975,7 +1049,7 @@ * * @param int $blog_id Optional Blog ID, defaults to current blog. */ - function for_blog( $blog_id = '' ) { + public function for_blog( $blog_id = '' ) { global $wpdb; if ( ! empty( $blog_id ) ) $cap_key = $wpdb->get_blog_prefix( $blog_id ) . 'capabilities'; @@ -1040,20 +1114,15 @@ break; } - $post_author_id = $post->post_author; - - // If no author set yet, default to current user for cap checks. - if ( ! $post_author_id ) - $post_author_id = $user_id; - - // If the user is the author... - if ( $user_id == $post_author_id ) { + // If the post author is set and the user is the author... + if ( $post->post_author && $user_id == $post->post_author ) { // If the post is published... if ( 'publish' == $post->post_status ) { $caps[] = $post_type->cap->delete_published_posts; } elseif ( 'trash' == $post->post_status ) { - if ('publish' == get_post_meta($post->ID, '_wp_trash_meta_status', true) ) + if ( 'publish' == get_post_meta( $post->ID, '_wp_trash_meta_status', true ) ) { $caps[] = $post_type->cap->delete_published_posts; + } } else { // If the post is draft... $caps[] = $post_type->cap->delete_posts; @@ -1062,10 +1131,11 @@ // The user is trying to edit someone else's post. $caps[] = $post_type->cap->delete_others_posts; // The post is published, extra cap required. - if ( 'publish' == $post->post_status ) + if ( 'publish' == $post->post_status ) { $caps[] = $post_type->cap->delete_published_posts; - elseif ( 'private' == $post->post_status ) + } elseif ( 'private' == $post->post_status ) { $caps[] = $post_type->cap->delete_private_posts; + } } break; // edit_post breaks down to edit_posts, edit_published_posts, or @@ -1090,20 +1160,15 @@ break; } - $post_author_id = $post->post_author; - - // If no author set yet, default to current user for cap checks. - if ( ! $post_author_id ) - $post_author_id = $user_id; - - // If the user is the author... - if ( $user_id == $post_author_id ) { + // If the post author is set and the user is the author... + if ( $post->post_author && $user_id == $post->post_author ) { // If the post is published... if ( 'publish' == $post->post_status ) { $caps[] = $post_type->cap->edit_published_posts; } elseif ( 'trash' == $post->post_status ) { - if ('publish' == get_post_meta($post->ID, '_wp_trash_meta_status', true) ) + if ( 'publish' == get_post_meta( $post->ID, '_wp_trash_meta_status', true ) ) { $caps[] = $post_type->cap->edit_published_posts; + } } else { // If the post is draft... $caps[] = $post_type->cap->edit_posts; @@ -1112,10 +1177,11 @@ // The user is trying to edit someone else's post. $caps[] = $post_type->cap->edit_others_posts; // The post is published, extra cap required. - if ( 'publish' == $post->post_status ) + if ( 'publish' == $post->post_status ) { $caps[] = $post_type->cap->edit_published_posts; - elseif ( 'private' == $post->post_status ) + } elseif ( 'private' == $post->post_status ) { $caps[] = $post_type->cap->edit_private_posts; + } } break; case 'read_post': @@ -1142,18 +1208,13 @@ break; } - $post_author_id = $post->post_author; - - // If no author set yet, default to current user for cap checks. - if ( ! $post_author_id ) - $post_author_id = $user_id; - - if ( $user_id == $post_author_id ) + if ( $post->post_author && $user_id == $post->post_author ) { $caps[] = $post_type->cap->read; - elseif ( $status_obj->private ) + } elseif ( $status_obj->private ) { $caps[] = $post_type->cap->read_private_posts; - else + } else { $caps = map_meta_cap( 'edit_post', $user_id, $post->ID ); + } break; case 'publish_post': $post = get_post( $args[0] ); @@ -1170,6 +1231,21 @@ $meta_key = isset( $args[ 1 ] ) ? $args[ 1 ] : false; if ( $meta_key && has_filter( "auth_post_meta_{$meta_key}" ) ) { + /** + * Filter whether the user is allowed to add post meta to a post. + * + * The dynamic portion of the hook name, `$meta_key`, refers to the + * meta key passed to {@see map_meta_cap()}. + * + * @since 3.3.0 + * + * @param bool $allowed Whether the user can add the post meta. Default false. + * @param string $meta_key The meta key. + * @param int $post_id Post ID. + * @param int $user_id User ID. + * @param string $cap Capability name. + * @param array $caps User capabilities. + */ $allowed = apply_filters( "auth_post_meta_{$meta_key}", false, $meta_key, $post->ID, $user_id, $cap, $caps ); if ( ! $allowed ) $caps[] = $cap; @@ -1215,18 +1291,25 @@ case 'update_plugins': case 'delete_plugins': case 'install_plugins': + case 'upload_plugins': case 'update_themes': case 'delete_themes': case 'install_themes': + case 'upload_themes': case 'update_core': // Disallow anything that creates, deletes, or updates core, plugin, or theme files. // Files in uploads are excepted. - if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) + if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) { + $caps[] = 'do_not_allow'; + } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; - elseif ( is_multisite() && ! is_super_admin( $user_id ) ) - $caps[] = 'do_not_allow'; - else + } elseif ( 'upload_themes' === $cap ) { + $caps[] = 'install_themes'; + } elseif ( 'upload_plugins' === $cap ) { + $caps[] = 'install_plugins'; + } else { $caps[] = $cap; + } break; case 'activate_plugins': $caps[] = $cap; @@ -1259,6 +1342,12 @@ else $caps[] = 'do_not_allow'; break; + case 'customize' : + $caps[] = 'edit_theme_options'; + break; + case 'delete_site': + $caps[] = 'manage_options'; + break; default: // Handle meta capabilities for custom post types. $post_type_meta_caps = _post_type_meta_capabilities(); @@ -1271,7 +1360,17 @@ $caps[] = $cap; } - return apply_filters('map_meta_cap', $caps, $cap, $user_id, $args); + /** + * Filter a user's capabilities depending on specific context and/or privilege. + * + * @since 2.8.0 + * + * @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 apply_filters( 'map_meta_cap', $caps, $cap, $user_id, $args ); } /** @@ -1304,21 +1403,25 @@ * @return bool */ function current_user_can_for_blog( $blog_id, $capability ) { - if ( is_multisite() ) - switch_to_blog( $blog_id ); + $switched = is_multisite() ? switch_to_blog( $blog_id ) : false; $current_user = wp_get_current_user(); - if ( empty( $current_user ) ) + if ( empty( $current_user ) ) { + if ( $switched ) { + restore_current_blog(); + } return false; + } $args = array_slice( func_get_args(), 2 ); $args = array_merge( array( $capability ), $args ); $can = call_user_func_array( array( $current_user, 'has_cap' ), $args ); - if ( is_multisite() ) + if ( $switched ) { restore_current_blog(); + } return $can; }