Changeset 35189 for trunk/src/wp-admin/includes/user.php

Timestamp:

10/15/2015 05:42:05 AM (9 years ago)

Author:

SergeyBiryukov

Message:

Users: Add 'illegal_user_logins' filter to allow certain usernames to be blacklisted.

Props danielbachhuber, chriscct7, crazycoolcam, SergeyBiryukov.
Fixes #27317.

File:

• trunk/src/wp-admin/includes/user.php (modified) (1 diff)

trunk/src/wp-admin/includes/user.php

@@ -142 +142 @@
     if ( !$update && username_exists( $user->user_login ) )
         $errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ));
+
+    /** This filter is documented in wp-includes/user-functions.php */
+    $usernames = apply_filters( 'illegal_user_logins', array() );
+    if ( in_array( $user->user_login, $usernames ) ) {
+        $errors->add( 'illegal_user_login', __( '<strong>ERROR</strong>: Sorry, that username is not allowed.' ) );
+    }
 
     /* checking email address */