includes/api/ApiUndelete.php

   1 <?php
   2
   3 /*
   4  * Created on Jul 3, 2007
   5  * API for MediaWiki 1.8+
   6  *
   7  * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  */
  24
  25 if ( !defined( 'MEDIAWIKI' ) ) {
  26         // Eclipse helper - will be ignored in production
  27         require_once ( "ApiBase.php" );
  28 }
  29
  30 /**
  31  * @ingroup API
  32  */
  33 class ApiUndelete extends ApiBase {
  34
  35         public function __construct( $main, $action ) {
  36                 parent :: __construct( $main, $action );
  37         }
  38
  39         public function execute() {
  40                 global $wgUser;
  41                 $params = $this->extractRequestParams();
  42
  43                 $titleObj = null;
  44                 if ( !isset( $params['title'] ) )
  45                         $this->dieUsageMsg( array( 'missingparam', 'title' ) );
  46                 if ( !isset( $params['token'] ) )
  47                         $this->dieUsageMsg( array( 'missingparam', 'token' ) );
  48
  49                 if ( !$wgUser->isAllowed( 'undelete' ) )
  50                         $this->dieUsageMsg( array( 'permdenied-undelete' ) );
  51
  52                 if ( $wgUser->isBlocked() )
  53                         $this->dieUsageMsg( array( 'blockedtext' ) );
  54
  55                 if ( !$wgUser->matchEditToken( $params['token'] ) )
  56                         $this->dieUsageMsg( array( 'sessionfailure' ) );
  57
  58                 $titleObj = Title::newFromText( $params['title'] );
  59                 if ( !$titleObj )
  60                         $this->dieUsageMsg( array( 'invalidtitle', $params['title'] ) );
  61
  62                 // Convert timestamps
  63                 if ( !isset( $params['timestamps'] ) )
  64                         $params['timestamps'] = array();
  65                 if ( !is_array( $params['timestamps'] ) )
  66                         $params['timestamps'] = array( $params['timestamps'] );
  67                 foreach ( $params['timestamps'] as $i => $ts )
  68                         $params['timestamps'][$i] = wfTimestamp( TS_MW, $ts );
  69
  70                 $pa = new PageArchive( $titleObj );
  71                 $dbw = wfGetDB( DB_MASTER );
  72                 $dbw->begin();
  73                 $retval = $pa->undelete( ( isset( $params['timestamps'] ) ? $params['timestamps'] : array() ), $params['reason'] );
  74                 if ( !is_array( $retval ) )
  75                         $this->dieUsageMsg( array( 'cannotundelete' ) );
  76
  77                 if ( $retval[1] )
  78                         wfRunHooks( 'FileUndeleteComplete',
  79                                 array( $titleObj, array(), $wgUser, $params['reason'] ) );
  80
  81                 $info['title'] = $titleObj->getPrefixedText();
  82                 $info['revisions'] = intval( $retval[0] );
  83                 $info['fileversions'] = intval( $retval[1] );
  84                 $info['reason'] = intval( $retval[2] );
  85                 $this->getResult()->addValue( null, $this->getModuleName(), $info );
  86         }
  87
  88         public function mustBePosted() { return true; }
  89
  90         public function isWriteMode() {
  91                 return true;
  92         }
  93
  94         public function getAllowedParams() {
  95                 return array (
  96                         'title' => null,
  97                         'token' => null,
  98                         'reason' => "",
  99                         'timestamps' => array(
 100                                 ApiBase :: PARAM_ISMULTI => true
 101                         )
 102                 );
 103         }
 104
 105         public function getParamDescription() {
 106                 return array (
 107                         'title' => 'Title of the page you want to restore.',
 108                         'token' => 'An undelete token previously retrieved through list=deletedrevs',
 109                         'reason' => 'Reason for restoring (optional)',
 110                         'timestamps' => 'Timestamps of the revisions to restore. If not set, all revisions will be restored.'
 111                 );
 112         }
 113
 114         public function getDescription() {
 115                 return array(
 116                         'Restore certain revisions of a deleted page. A list of deleted revisions (including timestamps) can be',
 117                         'retrieved through list=deletedrevs'
 118                 );
 119         }
 120
 121         public function getPossibleErrors() {
 122                 return array_merge( parent::getPossibleErrors(), array(
 123                         array( 'missingparam', 'title' ),
 124                         array( 'missingparam', 'token' ),
 125                         array( 'permdenied-undelete' ),
 126                         array( 'blockedtext' ),
 127                         array( 'sessionfailure' ),
 128                         array( 'invalidtitle', 'title' ),
 129                         array( 'cannotundelete' ),
 130                 ) );
 131         }
 132
 133         protected function getExamples() {
 134                 return array (
 135                         'api.php?action=undelete&title=Main%20Page&token=123ABC&reason=Restoring%20main%20page',
 136                         'api.php?action=undelete&title=Main%20Page&token=123ABC&timestamps=20070703220045|20070702194856'
 137                 );
 138         }
 139
 140         public function getVersion() {
 141                 return __CLASS__ . ': $Id$';
 142         }
 143 }