*/
function _init () {
global $wpdb, $wp_user_roles;
- $this->role_key = $wpdb->prefix . 'user_roles';
+ $this->role_key = $wpdb->get_blog_prefix() . 'user_roles';
if ( ! empty( $wp_user_roles ) ) {
$this->roles = $wp_user_roles;
$this->use_db = false;
$this->role_objects = array();
$this->role_names = array();
- foreach ( (array) $this->roles as $role => $data ) {
+ foreach ( array_keys( $this->roles ) as $role ) {
+ $this->role_objects[$role] = new WP_Role( $role, $this->roles[$role]['capabilities'] );
+ $this->role_names[$role] = $this->roles[$role]['name'];
+ }
+ }
+
+ /**
+ * Reinitialize the object
+ *
+ * Recreates the role objects. This is typically called only by switch_to_blog()
+ * after switching wpdb to a new blog ID.
+ *
+ * @since 3.5.0
+ * @access 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;
+
+ // Duplicated from _init() to avoid an extra function call.
+ $this->role_key = $wpdb->get_blog_prefix() . 'user_roles';
+ $this->roles = get_option( $this->role_key );
+ if ( empty( $this->roles ) )
+ return;
+
+ $this->role_objects = array();
+ $this->role_names = array();
+ foreach ( array_keys( $this->roles ) as $role ) {
$this->role_objects[$role] = new WP_Role( $role, $this->roles[$role]['capabilities'] );
$this->role_names[$role] = $this->roles[$role]['name'];
}
* @param string $role Role name.
* @param string $display_name Role display name.
* @param array $capabilities List of role capabilities in the above format.
- * @return null|WP_Role WP_Role object if role is added, null if already exists.
+ * @return WP_Role|null WP_Role object if role is added, null if already exists.
*/
function add_role( $role, $display_name, $capabilities = array() ) {
if ( isset( $this->roles[$role] ) )
if ( $this->use_db )
update_option( $this->role_key, $this->roles );
+
+ if ( get_option( 'default_role' ) == $role )
+ update_option( 'default_role', 'subscriber' );
}
/**
* @param bool $grant Optional, default is true. Whether role is capable of performing capability.
*/
function add_cap( $role, $cap, $grant = true ) {
+ if ( ! isset( $this->roles[$role] ) )
+ return;
+
$this->roles[$role]['capabilities'][$cap] = $grant;
if ( $this->use_db )
update_option( $this->role_key, $this->roles );
* @param string $cap Capability name.
*/
function remove_cap( $role, $cap ) {
+ if ( ! isset( $this->roles[$role] ) )
+ return;
+
unset( $this->roles[$role]['capabilities'][$cap] );
if ( $this->use_db )
update_option( $this->role_key, $this->roles );
* @access public
*
* @param string $role Role name.
- * @return object|null Null, if role does not exist. WP_Role object, if found.
+ * @return WP_Role|null WP_Role object if found, null if the role does not exist.
*/
function get_role( $role ) {
if ( isset( $this->role_objects[$role] ) )
* @param string $role Role name to look up.
* @return bool
*/
- function is_role( $role )
- {
+ function is_role( $role ) {
return isset( $this->role_names[$role] );
}
}
* @return bool True, if user has capability. False, if doesn't have capability.
*/
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];
* @since 2.0.0
* @access public
*
- * @param int|string $id User's ID
+ * @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
);
}
+ if ( is_a( $id, 'WP_User' ) ) {
+ $this->init( $id->data, $blog_id );
+ return;
+ } elseif ( is_object( $id ) ) {
+ $this->init( $id, $blog_id );
+ return;
+ }
+
if ( ! empty( $id ) && ! is_numeric( $id ) ) {
$name = $id;
$id = 0;
static function get_data_by( $field, $value ) {
global $wpdb;
- if ( 'id' == $field )
- $value = absint( $value );
- else
+ if ( 'id' == $field ) {
+ // Make sure the value is numeric to avoid casting objects, for example,
+ // to int 1.
+ if ( ! is_numeric( $value ) )
+ return false;
+ $value = intval( $value );
+ if ( $value < 1 )
+ return false;
+ } else {
$value = trim( $value );
+ }
if ( !$value )
return false;
$this->data->$key = $value;
}
+ /**
+ * Determine whether the user exists in the database.
+ *
+ * @since 3.4.0
+ * @access public
+ *
+ * @return bool True if user exists in the database, false if not.
+ */
+ function exists() {
+ return ! empty( $this->ID );
+ }
+
/**
* Retrieve the value of a property or meta key.
*
return $this->__isset( $key );
}
+ /**
+ * Return an array representation.
+ *
+ * @since 3.5.0
+ *
+ * @return array Array representation.
+ */
+ function to_array() {
+ return get_object_vars( $this->data );
+ }
+
/**
* Set up capability object properties.
*
global $wpdb;
if ( empty($cap_key) )
- $this->cap_key = $wpdb->prefix . 'capabilities';
+ $this->cap_key = $wpdb->get_blog_prefix() . 'capabilities';
else
$this->cap_key = $cap_key;
* @since 2.0.0
* @uses $wp_roles
* @access public
+ *
+ * @return array List of all capabilities for the user.
*/
function get_role_caps() {
global $wp_roles;
//Filter out caps that are not role names and assign to $this->roles
if ( is_array( $this->caps ) )
- $this->roles = array_filter( array_keys( $this->caps ), array( &$wp_roles, 'is_role' ) );
+ $this->roles = array_filter( array_keys( $this->caps ), array( $wp_roles, 'is_role' ) );
//Build $allcaps from role caps, overlay user's $caps
$this->allcaps = array();
$this->allcaps = array_merge( (array) $this->allcaps, (array) $the_role->capabilities );
}
$this->allcaps = array_merge( (array) $this->allcaps, (array) $this->caps );
+
+ return $this->allcaps;
}
/**
* @param string $role Role name.
*/
function set_role( $role ) {
+ if ( 1 == count( $this->roles ) && $role == current( $this->roles ) )
+ return;
+
foreach ( (array) $this->roles as $oldrole )
unset( $this->caps[$oldrole] );
- if ( 1 == count( $this->roles ) && $role == $this->roles[0] )
- return;
-
+ $old_roles = $this->roles;
if ( !empty( $role ) ) {
$this->caps[$role] = true;
$this->roles = array( $role => true );
update_user_meta( $this->ID, $this->cap_key, $this->caps );
$this->get_role_caps();
$this->update_user_level_from_caps();
- do_action( 'set_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 array $old_roles An array of the user's previous roles.
+ */
+ do_action( 'set_user_role', $this->ID, $role, $old_roles );
}
/**
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->prefix . 'user_level', $this->user_level );
+ update_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level', $this->user_level );
}
/**
* @param string $cap Capability name.
*/
function remove_cap( $cap ) {
- if ( empty( $this->caps[$cap] ) )
+ if ( ! isset( $this->caps[$cap] ) )
return;
unset( $this->caps[$cap] );
update_user_meta( $this->ID, $this->cap_key, $this->caps );
global $wpdb;
$this->caps = array();
delete_user_meta( $this->ID, $this->cap_key );
- delete_user_meta( $this->ID, $wpdb->prefix . 'user_level' );
+ delete_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level' );
$this->get_role_caps();
}
*
* This is useful for looking up whether the user has a specific role
* assigned to the user. The second optional parameter can also be used to
- * check for capabilities against a specific post.
+ * check for capabilities against a specific object, such as a post or user.
*
* @since 2.0.0
* @access public
*
* @param string|int $cap Capability or role name to search.
- * @param int $post_id Optional. Post ID to check capability against specific post.
* @return bool True, if user has capability; false, if user does not have capability.
*/
function has_cap( $cap ) {
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 role'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 );
+ $capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args, $this );
$capabilities['exist'] = true; // Everyone is allowed to exist
foreach ( (array) $caps as $cap ) {
if ( empty( $capabilities[ $cap ] ) )
$caps[] = 'promote_users';
break;
case 'edit_user':
+ case 'edit_users':
// Allow user to edit itself
- if ( isset( $args[0] ) && $user_id == $args[0] )
+ if ( 'edit_user' == $cap && isset( $args[0] ) && $user_id == $args[0] )
break;
- // Fall through
- case 'edit_users':
+
// If multisite these caps are allowed only for super admins.
if ( is_multisite() && !is_super_admin( $user_id ) )
$caps[] = 'do_not_allow';
else
- $caps[] = 'edit_users'; // Explicit due to primitive fall through
+ $caps[] = 'edit_users'; // edit_user maps to edit_users.
break;
case 'delete_post':
case 'delete_page':
- $author_data = get_userdata( $user_id );
$post = get_post( $args[0] );
if ( 'revision' == $post->post_type ) {
break;
}
- if ( '' != $post->post_author ) {
- $post_author_data = get_userdata( $post->post_author );
- } else {
- // No author set yet, so default to current user for cap checks.
- $post_author_data = $author_data;
- }
-
- // If the user is the author...
- if ( is_object( $post_author_data ) && $user_id == $post_author_data->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;
// 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
// edit_others_posts
case 'edit_post':
case 'edit_page':
- $author_data = get_userdata( $user_id );
$post = get_post( $args[0] );
+ if ( empty( $post ) )
+ break;
if ( 'revision' == $post->post_type ) {
$post = get_post( $post->post_parent );
break;
}
- if ( '' != $post->post_author ) {
- $post_author_data = get_userdata( $post->post_author );
- } else {
- // No author set yet, so default to current user for cap checks.
- $post_author_data = $author_data;
- }
-
- //echo "current user id : $user_id, post author id: " . $post_author_data->ID . "<br />";
- // If the user is the author...
- if ( is_object( $post_author_data ) && $user_id == $post_author_data->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;
// 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':
case 'read_page':
- $author_data = get_userdata( $user_id );
$post = get_post( $args[0] );
if ( 'revision' == $post->post_type ) {
break;
}
- if ( 'private' != $post->post_status ) {
+ $status_obj = get_post_status_object( $post->post_status );
+ if ( $status_obj->public ) {
$caps[] = $post_type->cap->read;
break;
}
- if ( '' != $post->post_author ) {
- $post_author_data = get_userdata( $post->post_author );
+ if ( $post->post_author && $user_id == $post->post_author ) {
+ $caps[] = $post_type->cap->read;
+ } elseif ( $status_obj->private ) {
+ $caps[] = $post_type->cap->read_private_posts;
} else {
- // No author set yet, so default to current user for cap checks.
- $post_author_data = $author_data;
+ $caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
}
+ break;
+ case 'publish_post':
+ $post = get_post( $args[0] );
+ $post_type = get_post_type_object( $post->post_type );
- if ( is_object( $post_author_data ) && $user_id == $post_author_data->ID )
- $caps[] = $post_type->cap->read;
- else
- $caps[] = $post_type->cap->read_private_posts;
+ $caps[] = $post_type->cap->publish_posts;
break;
case 'edit_post_meta':
case 'delete_post_meta':
case 'add_post_meta':
$post = get_post( $args[0] );
- $post_type_object = get_post_type_object( $post->post_type );
- $caps = map_meta_cap( $post_type_object->cap->edit_post, $user_id, $post->ID );
+ $caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
$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 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;
break;
case 'edit_comment':
$comment = get_comment( $args[0] );
+ if ( empty( $comment ) )
+ break;
$post = get_post( $comment->comment_post_ID );
- $post_type_object = get_post_type_object( $post->post_type );
-
- $caps = map_meta_cap( $post_type_object->cap->edit_post, $user_id, $post->ID );
+ $caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
break;
case 'unfiltered_upload':
if ( defined('ALLOW_UNFILTERED_UPLOADS') && ALLOW_UNFILTERED_UPLOADS && ( !is_multisite() || is_super_admin( $user_id ) ) )
else
$caps[] = 'do_not_allow';
break;
+ case 'unfiltered_html' :
+ // Disallow unfiltered_html for all users, even admins and super admins.
+ if ( defined( 'DISALLOW_UNFILTERED_HTML' ) && DISALLOW_UNFILTERED_HTML )
+ $caps[] = 'do_not_allow';
+ elseif ( is_multisite() && ! is_super_admin( $user_id ) )
+ $caps[] = 'do_not_allow';
+ else
+ $caps[] = $cap;
+ break;
case 'edit_files':
case 'edit_plugins':
case 'edit_themes':
- if ( defined('DISALLOW_FILE_EDIT') && DISALLOW_FILE_EDIT ) {
+ // Disallow the file editors.
+ if ( defined( 'DISALLOW_FILE_EDIT' ) && DISALLOW_FILE_EDIT )
$caps[] = 'do_not_allow';
- break;
- }
- // Fall through if not DISALLOW_FILE_EDIT.
+ elseif ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS )
+ $caps[] = 'do_not_allow';
+ elseif ( is_multisite() && ! is_super_admin( $user_id ) )
+ $caps[] = 'do_not_allow';
+ else
+ $caps[] = $cap;
+ break;
case 'update_plugins':
case 'delete_plugins':
case 'install_plugins':
case 'delete_themes':
case 'install_themes':
case 'update_core':
- // Disallow anything that creates, deletes, or edits core, plugin, or theme files.
+ // 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';
- break;
- }
- // Fall through if not DISALLOW_FILE_MODS.
- case 'unfiltered_html':
- // Disallow unfiltered_html for all users, even admins and super admins.
- if ( defined('DISALLOW_UNFILTERED_HTML') && DISALLOW_UNFILTERED_HTML ) {
+ elseif ( is_multisite() && ! is_super_admin( $user_id ) )
$caps[] = 'do_not_allow';
- break;
+ else
+ $caps[] = $cap;
+ break;
+ case 'activate_plugins':
+ $caps[] = $cap;
+ if ( is_multisite() ) {
+ // update_, install_, and delete_ are handled above with is_super_admin().
+ $menu_perms = get_site_option( 'menu_items', array() );
+ if ( empty( $menu_perms['plugins'] ) )
+ $caps[] = 'manage_network_plugins';
}
- // Fall through if not DISALLOW_UNFILTERED_HTML
+ break;
case 'delete_user':
case 'delete_users':
- // If multisite these caps are allowed only for super admins.
- if ( is_multisite() && !is_super_admin( $user_id ) ) {
+ // If multisite only super admins can delete users.
+ if ( is_multisite() && ! is_super_admin( $user_id ) )
$caps[] = 'do_not_allow';
- } else {
- if ( 'delete_user' == $cap )
- $cap = 'delete_users';
- $caps[] = $cap;
- }
+ else
+ $caps[] = 'delete_users'; // delete_user maps to delete_users.
break;
case 'create_users':
if ( !is_multisite() )
else
$caps[] = 'do_not_allow';
break;
+ case 'manage_links' :
+ if ( get_option( 'link_manager_enabled' ) )
+ $caps[] = $cap;
+ else
+ $caps[] = 'do_not_allow';
+ break;
default:
// Handle meta capabilities for custom post types.
$post_type_meta_caps = _post_type_meta_capabilities();
$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 );
}
/**
* @return bool
*/
function current_user_can_for_blog( $blog_id, $capability ) {
+ if ( is_multisite() )
+ switch_to_blog( $blog_id );
+
$current_user = wp_get_current_user();
if ( empty( $current_user ) )
return false;
- // Create new object to avoid stomping the global current_user.
- $user = new WP_User( $current_user->ID) ;
-
- // Set the blog id. @todo add blog id arg to WP_User constructor?
- $user->for_blog( $blog_id );
-
$args = array_slice( func_get_args(), 2 );
$args = array_merge( array( $capability ), $args );
- return call_user_func_array( array( &$user, 'has_cap' ), $args );
+ $can = call_user_func_array( array( $current_user, 'has_cap' ), $args );
+
+ if ( is_multisite() )
+ restore_current_blog();
+
+ return $can;
}
/**
if ( !$post = get_post($post) )
return false;
- $author = new WP_User( $post->post_author );
+ $author = get_userdata( $post->post_author );
- if ( empty( $author->ID ) )
+ if ( ! $author )
return false;
$args = array_slice( func_get_args(), 2 );
$args = array_merge( array( $capability ), $args );
- return call_user_func_array( array( &$author, 'has_cap' ), $args );
+ return call_user_func_array( array( $author, 'has_cap' ), $args );
}
/**
*/
function user_can( $user, $capability ) {
if ( ! is_object( $user ) )
- $user = new WP_User( $user );
+ $user = get_userdata( $user );
- if ( ! $user || ! $user->ID )
+ if ( ! $user || ! $user->exists() )
return false;
$args = array_slice( func_get_args(), 2 );
$args = array_merge( array( $capability ), $args );
- return call_user_func_array( array( &$user, 'has_cap' ), $args );
+ return call_user_func_array( array( $user, 'has_cap' ), $args );
}
/**
* @since 2.0.0
*
* @param string $role Role name.
- * @return object
+ * @return WP_Role|null WP_Role object if found, null if the role does not exist.
*/
function get_role( $role ) {
global $wp_roles;
* @param string $role Role name.
* @param string $display_name Display name for role.
* @param array $capabilities List of capabilities, e.g. array( 'edit_posts' => true, 'delete_posts' => false );
- * @return null|WP_Role WP_Role object if role is added, null if already exists.
+ * @return WP_Role|null WP_Role object if role is added, null if already exists.
*/
function add_role( $role, $display_name, $capabilities = array() ) {
global $wp_roles;
* @since 2.0.0
*
* @param string $role Role name.
- * @return null
*/
function remove_role( $role ) {
global $wp_roles;
if ( ! isset( $wp_roles ) )
$wp_roles = new WP_Roles();
- return $wp_roles->remove_role( $role );
+ $wp_roles->remove_role( $role );
}
/**
* @return bool True if the user is a site admin.
*/
function is_super_admin( $user_id = false ) {
- if ( $user_id )
- $user = new WP_User( $user_id );
- else
+ if ( ! $user_id || $user_id == get_current_user_id() )
$user = wp_get_current_user();
+ else
+ $user = get_userdata( $user_id );
- if ( empty( $user->ID ) )
+ if ( ! $user || ! $user->exists() )
return false;
if ( is_multisite() ) {
return false;
}
-
-?>
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff