includes/api/ApiPurge.php

   1 <?php
   2
   3 /**
   4  * API for MediaWiki 1.14+
   5  *
   6  * Created on Sep 2, 2008
   7  *
   8  * Copyright © 2008 Chad Horohoe
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  *
  25  * @file
  26  */
  27
  28 if ( !defined( 'MEDIAWIKI' ) ) {
  29         require_once( 'ApiBase.php' );
  30 }
  31
  32 /**
  33  * API interface for page purging
  34  * @ingroup API
  35  */
  36 class ApiPurge extends ApiBase {
  37
  38         public function __construct( $main, $action ) {
  39                 parent::__construct( $main, $action );
  40         }
  41
  42         /**
  43          * Purges the cache of a page
  44          */
  45         public function execute() {
  46                 global $wgUser;
  47                 $params = $this->extractRequestParams();
  48                 if ( !$wgUser->isAllowed( 'purge' ) && !$this->getMain()->isInternalMode() &&
  49                                 !$this->getMain()->getRequest()->wasPosted() ) {
  50                         $this->dieUsageMsg( array( 'mustbeposted', $this->getModuleName() ) );
  51                 }
  52                 $result = array();
  53                 foreach ( $params['titles'] as $t ) {
  54                         $r = array();
  55                         $title = Title::newFromText( $t );
  56                         if ( !$title instanceof Title ) {
  57                                 $r['title'] = $t;
  58                                 $r['invalid'] = '';
  59                                 $result[] = $r;
  60                                 continue;
  61                         }
  62                         ApiQueryBase::addTitleInfo( $r, $title );
  63                         if ( !$title->exists() ) {
  64                                 $r['missing'] = '';
  65                                 $result[] = $r;
  66                                 continue;
  67                         }
  68                         $article = MediaWiki::articleFromTitle( $title );
  69                         $article->doPurge(); // Directly purge and skip the UI part of purge().
  70                         $r['purged'] = '';
  71                         $result[] = $r;
  72                 }
  73                 $this->getResult()->setIndexedTagName( $result, 'page' );
  74                 $this->getResult()->addValue( null, $this->getModuleName(), $result );
  75         }
  76
  77         public function isWriteMode() {
  78                 return true;
  79         }
  80
  81         public function getAllowedParams() {
  82                 return array(
  83                         'titles' => array(
  84                                 ApiBase::PARAM_ISMULTI => true,
  85                                 ApiBase::PARAM_REQUIRED => true
  86                         )
  87                 );
  88         }
  89
  90         public function getParamDescription() {
  91                 return array(
  92                         'titles' => 'A list of titles',
  93                 );
  94         }
  95
  96         public function getDescription() {
  97                 return array( 'Purge the cache for the given titles.',
  98                         'This module requires a POST request if the user is not logged in.'
  99                 );
 100         }
 101
 102         public function getPossibleErrors() {
 103                 return array_merge( parent::getPossibleErrors(), array(
 104                         array( 'cantpurge' ),
 105                 ) );
 106         }
 107
 108         protected function getExamples() {
 109                 return array(
 110                         'api.php?action=purge&titles=Main_Page|API'
 111                 );
 112         }
 113
 114         public function getVersion() {
 115                 return __CLASS__ . ': $Id$';
 116         }
 117 }