includes/api/ApiUndelete.php

   1 <?php
   2 /**
   3  * API for MediaWiki 1.8+
   4  *
   5  * Created on Jul 3, 2007
   6  *
   7  * Copyright © 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  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  */
  26
  27 if ( !defined( 'MEDIAWIKI' ) ) {
  28         // Eclipse helper - will be ignored in production
  29         require_once( "ApiBase.php" );
  30 }
  31
  32 /**
  33  * @ingroup API
  34  */
  35 class ApiUndelete extends ApiBase {
  36
  37         public function __construct( $main, $action ) {
  38                 parent::__construct( $main, $action );
  39         }
  40
  41         public function execute() {
  42                 global $wgUser;
  43                 $params = $this->extractRequestParams();
  44
  45                 if ( !$wgUser->isAllowed( 'undelete' ) ) {
  46                         $this->dieUsageMsg( array( 'permdenied-undelete' ) );
  47                 }
  48
  49                 if ( $wgUser->isBlocked() ) {
  50                         $this->dieUsageMsg( array( 'blockedtext' ) );
  51                 }
  52
  53                 $titleObj = Title::newFromText( $params['title'] );
  54                 if ( !$titleObj ) {
  55                         $this->dieUsageMsg( array( 'invalidtitle', $params['title'] ) );
  56                 }
  57
  58                 // Convert timestamps
  59                 if ( !isset( $params['timestamps'] ) ) {
  60                         $params['timestamps'] = array();
  61                 }
  62                 if ( !is_array( $params['timestamps'] ) ) {
  63                         $params['timestamps'] = array( $params['timestamps'] );
  64                 }
  65                 foreach ( $params['timestamps'] as $i => $ts ) {
  66                         $params['timestamps'][$i] = wfTimestamp( TS_MW, $ts );
  67                 }
  68
  69                 $pa = new PageArchive( $titleObj );
  70                 $retval = $pa->undelete( ( isset( $params['timestamps'] ) ? $params['timestamps'] : array() ), $params['reason'] );
  71                 if ( !is_array( $retval ) ) {
  72                         $this->dieUsageMsg( array( 'cannotundelete' ) );
  73                 }
  74
  75                 if ( $retval[1] ) {
  76                         wfRunHooks( 'FileUndeleteComplete',
  77                                 array( $titleObj, array(), $wgUser, $params['reason'] ) );
  78                 }
  79
  80                 $this->setWatch( $params['watchlist'], $titleObj );
  81
  82                 $info['title'] = $titleObj->getPrefixedText();
  83                 $info['revisions'] = intval( $retval[0] );
  84                 $info['fileversions'] = intval( $retval[1] );
  85                 $info['reason'] = intval( $retval[2] );
  86                 $this->getResult()->addValue( null, $this->getModuleName(), $info );
  87         }
  88
  89         public function mustBePosted() {
  90                 return true;
  91         }
  92
  93         public function isWriteMode() {
  94                 return true;
  95         }
  96
  97         public function getAllowedParams() {
  98                 return array(
  99                         'title' => array(
 100                                 ApiBase::PARAM_TYPE => 'string',
 101                                 ApiBase::PARAM_REQUIRED => true
 102                         ),
 103                         'token' => null,
 104                         'reason' => '',
 105                         'timestamps' => array(
 106                                 ApiBase::PARAM_ISMULTI => true
 107                         ),
 108                         'watchlist' => array(
 109                                 ApiBase::PARAM_DFLT => 'preferences',
 110                                 ApiBase::PARAM_TYPE => array(
 111                                         'watch',
 112                                         'unwatch',
 113                                         'preferences',
 114                                         'nochange'
 115                                 ),
 116                         ),
 117                 );
 118         }
 119
 120         public function getParamDescription() {
 121                 return array(
 122                         'title' => 'Title of the page you want to restore',
 123                         'token' => 'An undelete token previously retrieved through list=deletedrevs',
 124                         'reason' => 'Reason for restoring (optional)',
 125                         'timestamps' => 'Timestamps of the revisions to restore. If not set, all revisions will be restored.',
 126                         'watchlist' => 'Unconditionally add or remove the page from your watchlist, use preferences or do not change watch',
 127                 );
 128         }
 129
 130         public function getDescription() {
 131                 return array(
 132                         'Restore certain revisions of a deleted page. A list of deleted revisions (including timestamps) can be',
 133                         'retrieved through list=deletedrevs'
 134                 );
 135         }
 136
 137         public function getPossibleErrors() {
 138                 return array_merge( parent::getPossibleErrors(), array(
 139                         array( 'permdenied-undelete' ),
 140                         array( 'blockedtext' ),
 141                         array( 'invalidtitle', 'title' ),
 142                         array( 'cannotundelete' ),
 143                 ) );
 144         }
 145
 146         public function needsToken() {
 147                 return true;
 148         }
 149
 150         public function getTokenSalt() {
 151                 return '';
 152         }
 153
 154         protected function getExamples() {
 155                 return array(
 156                         'api.php?action=undelete&title=Main%20Page&token=123ABC&reason=Restoring%20main%20page',
 157                         'api.php?action=undelete&title=Main%20Page&token=123ABC&timestamps=20070703220045|20070702194856'
 158                 );
 159         }
 160
 161         public function getVersion() {
 162                 return __CLASS__ . ': $Id$';
 163         }
 164 }