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