includes/api/ApiUndelete.php

   1 <?php
   2 /**
   3  *
   4  *
   5  * Created on Jul 3, 2007
   6  *
   7  * Copyright © 2007 Roan Kattouw "<Firstname>.<Lastname>@gmail.com"
   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 /**
  28  * @ingroup API
  29  */
  30 class ApiUndelete extends ApiBase {
  31
  32         public function __construct( $main, $action ) {
  33                 parent::__construct( $main, $action );
  34         }
  35
  36         public function execute() {
  37                 $params = $this->extractRequestParams();
  38
  39                 if ( !$this->getUser()->isAllowed( 'undelete' ) ) {
  40                         $this->dieUsageMsg( 'permdenied-undelete' );
  41                 }
  42
  43                 if ( $this->getUser()->isBlocked() ) {
  44                         $this->dieUsageMsg( 'blockedtext' );
  45                 }
  46
  47                 $titleObj = Title::newFromText( $params['title'] );
  48                 if ( !$titleObj ) {
  49                         $this->dieUsageMsg( array( 'invalidtitle', $params['title'] ) );
  50                 }
  51
  52                 // Convert timestamps
  53                 if ( !isset( $params['timestamps'] ) ) {
  54                         $params['timestamps'] = array();
  55                 }
  56                 if ( !is_array( $params['timestamps'] ) ) {
  57                         $params['timestamps'] = array( $params['timestamps'] );
  58                 }
  59                 foreach ( $params['timestamps'] as $i => $ts ) {
  60                         $params['timestamps'][$i] = wfTimestamp( TS_MW, $ts );
  61                 }
  62
  63                 $pa = new PageArchive( $titleObj );
  64                 $retval = $pa->undelete( ( isset( $params['timestamps'] ) ? $params['timestamps'] : array() ), $params['reason'] );
  65                 if ( !is_array( $retval ) ) {
  66                         $this->dieUsageMsg( 'cannotundelete' );
  67                 }
  68
  69                 if ( $retval[1] ) {
  70                         wfRunHooks( 'FileUndeleteComplete',
  71                                 array( $titleObj, array(), $this->getUser(), $params['reason'] ) );
  72                 }
  73
  74                 $this->setWatch( $params['watchlist'], $titleObj );
  75
  76                 $info['title'] = $titleObj->getPrefixedText();
  77                 $info['revisions'] = intval( $retval[0] );
  78                 $info['fileversions'] = intval( $retval[1] );
  79                 $info['reason'] = $retval[2];
  80                 $this->getResult()->addValue( null, $this->getModuleName(), $info );
  81         }
  82
  83         public function mustBePosted() {
  84                 return true;
  85         }
  86
  87         public function isWriteMode() {
  88                 return true;
  89         }
  90
  91         public function getAllowedParams() {
  92                 return array(
  93                         'title' => array(
  94                                 ApiBase::PARAM_TYPE => 'string',
  95                                 ApiBase::PARAM_REQUIRED => true
  96                         ),
  97                         'token' => array(
  98                                 ApiBase::PARAM_TYPE => 'string',
  99                                 ApiBase::PARAM_REQUIRED => true
 100                         ),
 101                         'reason' => '',
 102                         'timestamps' => array(
 103                                 ApiBase::PARAM_TYPE => 'timestamp',
 104                                 ApiBase::PARAM_ISMULTI => true,
 105                         ),
 106                         'watchlist' => array(
 107                                 ApiBase::PARAM_DFLT => 'preferences',
 108                                 ApiBase::PARAM_TYPE => array(
 109                                         'watch',
 110                                         'unwatch',
 111                                         'preferences',
 112                                         'nochange'
 113                                 ),
 114                         ),
 115                 );
 116         }
 117
 118         public function getParamDescription() {
 119                 return array(
 120                         'title' => 'Title of the page you want to restore',
 121                         'token' => 'An undelete token previously retrieved through list=deletedrevs',
 122                         'reason' => 'Reason for restoring',
 123                         'timestamps' => 'Timestamps of the revisions to restore. If not set, all revisions will be restored.',
 124                         'watchlist' => 'Unconditionally add or remove the page from your watchlist, use preferences or do not change watch',
 125                 );
 126         }
 127
 128         public function getResultProperties() {
 129                 return array(
 130                         '' => array(
 131                                 'title' => 'string',
 132                                 'revisions' => 'integer',
 133                                 'filerevisions' => 'integer',
 134                                 'reason' => 'string'
 135                         )
 136                 );
 137         }
 138
 139         public function getDescription() {
 140                 return array(
 141                         'Restore certain revisions of a deleted page. A list of deleted revisions (including timestamps) can be',
 142                         'retrieved through list=deletedrevs'
 143                 );
 144         }
 145
 146         public function getPossibleErrors() {
 147                 return array_merge( parent::getPossibleErrors(), array(
 148                         array( 'permdenied-undelete' ),
 149                         array( 'blockedtext' ),
 150                         array( 'invalidtitle', 'title' ),
 151                         array( 'cannotundelete' ),
 152                 ) );
 153         }
 154
 155         public function needsToken() {
 156                 return true;
 157         }
 158
 159         public function getTokenSalt() {
 160                 return '';
 161         }
 162
 163         public function getExamples() {
 164                 return array(
 165                         'api.php?action=undelete&title=Main%20Page&token=123ABC&reason=Restoring%20main%20page',
 166                         'api.php?action=undelete&title=Main%20Page&token=123ABC&timestamps=20070703220045|20070702194856'
 167                 );
 168         }
 169
 170         public function getHelpUrls() {
 171                 return 'https://www.mediawiki.org/wiki/API:Undelete';
 172         }
 173
 174         public function getVersion() {
 175                 return __CLASS__ . ': $Id$';
 176         }
 177 }