- // Registration-time character blacklisting...
- !preg_match( '/[' . preg_quote( $wgInvalidUsernameCharacters, '/' ) . ']/', $name );
+ // Ensure that the username isn't longer than 235 bytes, so that
+ // (at least for the builtin skins) user javascript and css files
+ // will work. (bug 23080)
+ if( strlen( $name ) > 235 ) {
+ wfDebugLog( 'username', __METHOD__ .
+ ": '$name' invalid due to length" );
+ return false;
+ }
+
+ // Preg yells if you try to give it an empty string
+ if( $wgInvalidUsernameCharacters !== '' ) {
+ if( preg_match( '/[' . preg_quote( $wgInvalidUsernameCharacters, '/' ) . ']/', $name ) ) {
+ wfDebugLog( 'username', __METHOD__ .
+ ": '$name' invalid due to wgInvalidUsernameCharacters" );
+ return false;
+ }
+ }
+
+ return self::isUsableName( $name );