includes/exception/BadTitleError.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  */
  20
  21 /**
  22  * Show an error page on a badtitle.
  23  * Similar to ErrorPage, but emit a 400 HTTP error code to let mobile
  24  * browser it is not really a valid content.
  25  *
  26  * @since 1.19
  27  * @ingroup Exception
  28  */
  29 class BadTitleError extends ErrorPageError {
  30         /**
  31          * @param string|Message|MalformedTitleException $msg A message key (default: 'badtitletext'), or
  32          *     a MalformedTitleException to figure out things from
  33          * @param array $params Parameter to wfMessage()
  34          */
  35         public function __construct( $msg = 'badtitletext', $params = [] ) {
  36                 if ( $msg instanceof MalformedTitleException ) {
  37                         $errorMessage = $msg->getErrorMessage();
  38                         if ( !$errorMessage ) {
  39                                 parent::__construct( 'badtitle', 'badtitletext', [] );
  40                         } else {
  41                                 $errorMessageParams = $msg->getErrorMessageParameters();
  42                                 parent::__construct( 'badtitle', $errorMessage, $errorMessageParams );
  43                         }
  44                 } else {
  45                         parent::__construct( 'badtitle', $msg, $params );
  46                 }
  47         }
  48
  49         /**
  50          * Just like ErrorPageError::report() but additionally set
  51          * a 400 HTTP status code (bug 33646).
  52          */
  53         public function report() {
  54                 global $wgOut;
  55
  56                 // bug 33646: a badtitle error page need to return an error code
  57                 // to let mobile browser now that it is not a normal page.
  58                 $wgOut->setStatusCode( 400 );
  59                 parent::report();
  60         }
  61 }