}
/**
- * Setup the object properties.
+ * Set up the object properties.
*
* The role key is set to the current prefix for the $wpdb object with
* 'user_roles' appended. If the $wp_user_roles global is set, then it will
* @global array $wp_user_roles Used to set the 'roles' property value.
*/
function _init () {
- global $wpdb;
- global $wp_user_roles;
+ global $wpdb, $wp_user_roles;
$this->role_key = $wpdb->prefix . 'user_roles';
if ( ! empty( $wp_user_roles ) ) {
$this->roles = $wp_user_roles;
*
* The capabilities are defined in the following format `array( 'read' => true );`
* To explicitly deny a role a capability you set the value for that capability to false.
- *
+ *
* @since 2.0.0
* @access public
*
var $capabilities;
/**
- * PHP4 Constructor - Setup object properties.
+ * PHP4 Constructor - Set up object properties.
*
* The list of capabilities, must have the key as the name of the capability
- * and the value a boolean of whether it is granted to the role or not.
+ * and the value a boolean of whether it is granted to the role.
*
* @since 2.0.0
* @access public
}
/**
- * Setup capability object properties.
+ * Set up capability object properties.
*
* Will set the value for the 'cap_key' property to current database table
* prefix, followed by 'capabilities'. Will then check to see if the
* used.
*
* @since 2.1.0
+ *
+ * @param string $cap_key Optional capability key
* @access protected
*/
- function _init_caps() {
+ function _init_caps( $cap_key = '' ) {
global $wpdb;
- $this->cap_key = $wpdb->prefix . 'capabilities';
+ if ( empty($cap_key) )
+ $this->cap_key = $wpdb->prefix . 'capabilities';
+ else
+ $this->cap_key = $cap_key;
$this->caps = &$this->{$this->cap_key};
if ( ! is_array( $this->caps ) )
$this->caps = array();
//Build $allcaps from role caps, overlay user's $caps
$this->allcaps = array();
foreach ( (array) $this->roles as $role ) {
- $role =& $wp_roles->get_role( $role );
- $this->allcaps = array_merge( (array) $this->allcaps, (array) $role->capabilities );
+ $the_role =& $wp_roles->get_role( $role );
+ $this->allcaps = array_merge( (array) $this->allcaps, (array) $the_role->capabilities );
}
$this->allcaps = array_merge( (array) $this->allcaps, (array) $this->caps );
}
*/
function add_role( $role ) {
$this->caps[$role] = true;
- update_usermeta( $this->ID, $this->cap_key, $this->caps );
+ update_user_meta( $this->ID, $this->cap_key, $this->caps );
$this->get_role_caps();
$this->update_user_level_from_caps();
}
* @param string $role Role name.
*/
function remove_role( $role ) {
- if ( empty( $this->roles[$role] ) || ( count( $this->roles ) <= 1 ) )
+ if ( !in_array($role, $this->roles) )
return;
unset( $this->caps[$role] );
- update_usermeta( $this->ID, $this->cap_key, $this->caps );
+ update_user_meta( $this->ID, $this->cap_key, $this->caps );
$this->get_role_caps();
+ $this->update_user_level_from_caps();
}
/**
} else {
$this->roles = false;
}
- update_usermeta( $this->ID, $this->cap_key, $this->caps );
+ 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 );
function update_user_level_from_caps() {
global $wpdb;
$this->user_level = array_reduce( array_keys( $this->allcaps ), array( &$this, 'level_reduction' ), 0 );
- update_usermeta( $this->ID, $wpdb->prefix.'user_level', $this->user_level );
+ update_user_meta( $this->ID, $wpdb->prefix . 'user_level', $this->user_level );
}
/**
*/
function add_cap( $cap, $grant = true ) {
$this->caps[$cap] = $grant;
- update_usermeta( $this->ID, $this->cap_key, $this->caps );
+ update_user_meta( $this->ID, $this->cap_key, $this->caps );
}
/**
* @param string $cap Capability name.
*/
function remove_cap( $cap ) {
- if ( empty( $this->caps[$cap] ) ) return;
+ if ( empty( $this->caps[$cap] ) )
+ return;
unset( $this->caps[$cap] );
- update_usermeta( $this->ID, $this->cap_key, $this->caps );
+ update_user_meta( $this->ID, $this->cap_key, $this->caps );
}
/**
function remove_all_caps() {
global $wpdb;
$this->caps = array();
- update_usermeta( $this->ID, $this->cap_key, '' );
- update_usermeta( $this->ID, $wpdb->prefix.'user_level', '' );
+ delete_user_meta( $this->ID, $this->cap_key );
+ delete_user_meta( $this->ID, $wpdb->prefix . 'user_level' );
$this->get_role_caps();
}
* @return bool True, if user has capability; false, if user does not have capability.
*/
function has_cap( $cap ) {
- if ( is_numeric( $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 );
+ }
$args = array_slice( func_get_args(), 1 );
$args = array_merge( array( $cap, $this->ID ), $args );
$caps = call_user_func_array( 'map_meta_cap', $args );
+
+ // Multisite super admin has all caps by definition, Unless specifically denied.
+ if ( is_multisite() && is_super_admin() ) {
+ if ( in_array('do_not_allow', $caps) )
+ return false;
+ return true;
+ }
+
// Must have ALL requested caps
$capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args );
foreach ( (array) $caps as $cap ) {
return 'level_' . $level;
}
+ /**
+ * Set the blog to operate on. Defaults to the current blog.
+ *
+ * @since 3.0.0
+ *
+ * @param int $blog_id Optional Blog ID, defaults to current blog.
+ */
+ function for_blog( $blog_id = '' ) {
+ global $wpdb;
+ if ( ! empty( $blog_id ) )
+ $cap_key = $wpdb->get_blog_prefix( $blog_id ) . 'capabilities';
+ else
+ $cap_key = '';
+ $this->_init_caps( $cap_key );
+ }
}
/**
*
* This does not actually compare whether the user ID has the actual capability,
* just what the capability or capabilities are. Meta capability list value can
- * be 'delete_user', 'edit_user', 'delete_post', 'delete_page', 'edit_post',
- * 'edit_page', 'read_post', or 'read_page'.
+ * be 'delete_user', 'edit_user', 'remove_user', 'promote_user', 'delete_post',
+ * 'delete_page', 'edit_post', 'edit_page', 'read_post', or 'read_page'.
*
* @since 2.0.0
*
$caps = array();
switch ( $cap ) {
+ case 'remove_user':
+ $caps[] = 'remove_users';
+ break;
case 'delete_user':
$caps[] = 'delete_users';
break;
+ case 'promote_user':
+ $caps[] = 'promote_users';
+ break;
case 'edit_user':
- if ( !isset( $args[0] ) || $user_id != $args[0] ) {
- $caps[] = 'edit_users';
- }
+ // Allow user to edit itself
+ if ( 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() )
+ $caps[] = 'do_not_allow';
+ else
+ $caps[] = 'edit_users'; // Explicit due to primitive fall through
break;
case 'delete_post':
$author_data = get_userdata( $user_id );
//echo "post ID: {$args[0]}<br />";
$post = get_post( $args[0] );
- if ( 'page' == $post->post_type ) {
- $args = array_merge( array( 'delete_page', $user_id ), $args );
+ $post_type = get_post_type_object( $post->post_type );
+ if ( $post_type && 'post' != $post_type->capability_type ) {
+ $args = array_merge( array( $post_type->cap->delete_post, $user_id ), $args );
return call_user_func_array( 'map_meta_cap', $args );
}
- if ('' != $post->post_author) {
+ 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
}
// If the user is the author...
- if ( $user_id == $post_author_data->ID ) {
+ if ( is_object( $post_author_data ) && $user_id == $post_author_data->ID ) {
// If the post is published...
if ( 'publish' == $post->post_status ) {
$caps[] = 'delete_published_posts';
$page_author_data = $author_data;
}
- if ( $user_id == $page_author_data->ID ) {
+ if ( is_object( $page_author_data ) && $user_id == $page_author_data->ID ) {
// If the page is published...
if ( $page->post_status == 'publish' ) {
$caps[] = 'delete_published_pages';
$author_data = get_userdata( $user_id );
//echo "post ID: {$args[0]}<br />";
$post = get_post( $args[0] );
- if ( 'page' == $post->post_type ) {
- $args = array_merge( array( 'edit_page', $user_id ), $args );
+ $post_type = get_post_type_object( $post->post_type );
+ if ( $post_type && 'post' != $post_type->capability_type ) {
+ $args = array_merge( array( $post_type->cap->edit_post, $user_id ), $args );
return call_user_func_array( 'map_meta_cap', $args );
}
$post_author_data = get_userdata( $post->post_author );
//echo "current user id : $user_id, post author id: " . $post_author_data->ID . "<br />";
// If the user is the author...
- if ( $user_id == $post_author_data->ID ) {
+ if ( is_object( $post_author_data ) && $user_id == $post_author_data->ID ) {
// If the post is published...
if ( 'publish' == $post->post_status ) {
$caps[] = 'edit_published_posts';
$page_author_data = get_userdata( $page->post_author );
//echo "current user id : $user_id, page author id: " . $page_author_data->ID . "<br />";
// If the user is the author...
- if ( $user_id == $page_author_data->ID ) {
+ if ( is_object( $page_author_data ) && $user_id == $page_author_data->ID ) {
// If the page is published...
if ( 'publish' == $page->post_status ) {
$caps[] = 'edit_published_pages';
break;
case 'read_post':
$post = get_post( $args[0] );
- if ( 'page' == $post->post_type ) {
- $args = array_merge( array( 'read_page', $user_id ), $args );
+ $post_type = get_post_type_object( $post->post_type );
+ if ( $post_type && 'post' != $post_type->capability_type ) {
+ $args = array_merge( array( $post_type->cap->read_post, $user_id ), $args );
return call_user_func_array( 'map_meta_cap', $args );
}
$author_data = get_userdata( $user_id );
$post_author_data = get_userdata( $post->post_author );
- if ( $user_id == $post_author_data->ID )
+ if ( is_object( $post_author_data ) && $user_id == $post_author_data->ID )
$caps[] = 'read';
else
$caps[] = 'read_private_posts';
$author_data = get_userdata( $user_id );
$page_author_data = get_userdata( $page->post_author );
- if ( $user_id == $page_author_data->ID )
+ if ( is_object( $page_author_data ) && $user_id == $page_author_data->ID )
$caps[] = 'read';
else
$caps[] = 'read_private_pages';
break;
case 'unfiltered_upload':
- if ( defined('ALLOW_UNFILTERED_UPLOADS') && ALLOW_UNFILTERED_UPLOADS == true )
+ if ( defined('ALLOW_UNFILTERED_UPLOADS') && ALLOW_UNFILTERED_UPLOADS && ( !is_multisite() || is_super_admin() ) )
$caps[] = $cap;
else
$caps[] = 'do_not_allow';
break;
+ case 'edit_files':
+ case 'edit_plugins':
+ case 'edit_themes':
+ if ( defined('DISALLOW_FILE_EDIT') && DISALLOW_FILE_EDIT ) {
+ $caps[] = 'do_not_allow';
+ break;
+ }
+ // Fall through if not DISALLOW_FILE_EDIT.
+ case 'update_plugins':
+ case 'delete_plugins':
+ case 'install_plugins':
+ case 'update_themes':
+ case 'delete_themes':
+ case 'install_themes':
+ case 'update_core':
+ // Disallow anything that creates, deletes, or edits core, plugin, or theme files.
+ // Files in uploads are excepted.
+ 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 ) {
+ $caps[] = 'do_not_allow';
+ break;
+ }
+ // Fall through if not DISALLOW_UNFILTERED_HTML
+ case 'delete_user':
+ case 'delete_users':
+ // If multisite these caps are allowed only for super admins.
+ if ( is_multisite() && !is_super_admin() )
+ $caps[] = 'do_not_allow';
+ else
+ $caps[] = $cap;
+ break;
+ case 'create_users':
+ if ( is_multisite() && !get_site_option( 'add_new_users' ) )
+ $caps[] = 'do_not_allow';
+ else
+ $caps[] = $cap;
+ break;
default:
// If no meta caps match, return the original cap.
$caps[] = $cap;
return call_user_func_array( array( &$current_user, 'has_cap' ), $args );
}
+/**
+ * Whether current user has a capability or role for a given blog.
+ *
+ * @since 3.0.0
+ *
+ * @param int $blog_id Blog ID
+ * @param string $capability Capability or role name.
+ * @return bool
+ */
+function current_user_can_for_blog( $blog_id, $capability ) {
+ $current_user = wp_get_current_user();
+
+ if ( is_multisite() && is_super_admin() )
+ return true;
+
+ 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 );
+}
+
/**
* Whether author of supplied post has capability or role.
*
return $wp_roles->remove_role( $role );
}
+/**
+ * Retrieve a list of super admins.
+ *
+ * @since 3.0.0
+ *
+ * @uses $super_admins Super admins global variable, if set.
+ *
+ * @return array List of super admin logins
+ */
+function get_super_admins() {
+ global $super_admins;
+
+ if ( isset($super_admins) )
+ return $super_admins;
+ else
+ return get_site_option( 'site_admins', array('admin') );
+}
+
+/**
+ * Determine if user is a site admin.
+ *
+ * @since 3.0.0
+ *
+ * @param int $user_id (Optional) The ID of a user. Defaults to the current user.
+ * @return bool True if the user is a site admin.
+ */
+function is_super_admin( $user_id = false ) {
+ if ( ! $user_id ) {
+ $current_user = wp_get_current_user();
+ $user_id = ! empty($current_user) ? $current_user->id : 0;
+ }
+
+ if ( ! $user_id )
+ return false;
+
+ $user = new WP_User($user_id);
+
+ if ( is_multisite() ) {
+ $super_admins = get_super_admins();
+ if ( is_array( $super_admins ) && in_array( $user->user_login, $super_admins ) )
+ return true;
+ } else {
+ if ( $user->has_cap('delete_users') )
+ return true;
+ }
+
+ return false;
+}
+
?>
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff