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'] = intval( $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' => null,
  98                         'reason' => '',
  99                         'timestamps' => array(
 100                                 ApiBase::PARAM_TYPE => 'timestamp',
 101                                 ApiBase::PARAM_ISMULTI => true,
 102                         ),
 103                         'watchlist' => array(
 104                                 ApiBase::PARAM_DFLT => 'preferences',
 105                                 ApiBase::PARAM_TYPE => array(
 106                                         'watch',
 107                                         'unwatch',
 108                                         'preferences',
 109                                         'nochange'
 110                                 ),
 111                         ),
 112                 );
 113         }
 114
 115         public function getParamDescription() {
 116                 return array(
 117                         'title' => 'Title of the page you want to restore',
 118                         'token' => 'An undelete token previously retrieved through list=deletedrevs',
 119                         'reason' => 'Reason for restoring (optional)',
 120                         'timestamps' => 'Timestamps of the revisions to restore. If not set, all revisions will be restored.',
 121                         'watchlist' => 'Unconditionally add or remove the page from your watchlist, use preferences or do not change watch',
 122                 );
 123         }
 124
 125         public function getDescription() {
 126                 return array(
 127                         'Restore certain revisions of a deleted page. A list of deleted revisions (including timestamps) can be',
 128                         'retrieved through list=deletedrevs'
 129                 );
 130         }
 131
 132         public function getPossibleErrors() {
 133                 return array_merge( parent::getPossibleErrors(), array(
 134                         array( 'permdenied-undelete' ),
 135                         array( 'blockedtext' ),
 136                         array( 'invalidtitle', 'title' ),
 137                         array( 'cannotundelete' ),
 138                 ) );
 139         }
 140
 141         public function needsToken() {
 142                 return true;
 143         }
 144
 145         public function getTokenSalt() {
 146                 return '';
 147         }
 148
 149         public function getExamples() {
 150                 return array(
 151                         'api.php?action=undelete&title=Main%20Page&token=123ABC&reason=Restoring%20main%20page',
 152                         'api.php?action=undelete&title=Main%20Page&token=123ABC&timestamps=20070703220045|20070702194856'
 153                 );
 154         }
 155
 156         public function getHelpUrls() {
 157                 return 'https://www.mediawiki.org/wiki/API:Undelete';
 158         }
 159
 160         public function getVersion() {
 161                 return __CLASS__ . ': $Id$';
 162         }
 163 }