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                 $this->useTransactionalTimeLimit();
  34
  35                 $params = $this->extractRequestParams();
  36
  37                 $user = $this->getUser();
  38                 if ( $user->isBlocked() ) {
  39                         $this->dieBlocked( $user->getBlock() );
  40                 }
  41
  42                 $titleObj = Title::newFromText( $params['title'] );
  43                 if ( !$titleObj || $titleObj->isExternal() ) {
  44                         $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $params['title'] ) ] );
  45                 }
  46
  47                 if ( !$titleObj->userCan( 'undelete', $user, 'secure' ) ) {
  48                         $this->dieWithError( 'permdenied-undelete' );
  49                 }
  50
  51                 // Check if user can add tags
  52                 if ( !is_null( $params['tags'] ) ) {
  53                         $ableToTag = ChangeTags::canAddTagsAccompanyingChange( $params['tags'], $user );
  54                         if ( !$ableToTag->isOK() ) {
  55                                 $this->dieStatus( $ableToTag );
  56                         }
  57                 }
  58
  59                 // Convert timestamps
  60                 if ( !isset( $params['timestamps'] ) ) {
  61                         $params['timestamps'] = [];
  62                 }
  63                 if ( !is_array( $params['timestamps'] ) ) {
  64                         $params['timestamps'] = [ $params['timestamps'] ];
  65                 }
  66                 foreach ( $params['timestamps'] as $i => $ts ) {
  67                         $params['timestamps'][$i] = wfTimestamp( TS_MW, $ts );
  68                 }
  69
  70                 $pa = new PageArchive( $titleObj, $this->getConfig() );
  71                 $retval = $pa->undelete(
  72                         ( isset( $params['timestamps'] ) ? $params['timestamps'] : [] ),
  73                         $params['reason'],
  74                         $params['fileids'],
  75                         false,
  76                         $user,
  77                         $params['tags']
  78                 );
  79                 if ( !is_array( $retval ) ) {
  80                         $this->dieWithError( 'apierror-cantundelete' );
  81                 }
  82
  83                 if ( $retval[1] ) {
  84                         Hooks::run( 'FileUndeleteComplete',
  85                                 [ $titleObj, $params['fileids'], $this->getUser(), $params['reason'] ] );
  86                 }
  87
  88                 $this->setWatch( $params['watchlist'], $titleObj );
  89
  90                 $info['title'] = $titleObj->getPrefixedText();
  91                 $info['revisions'] = intval( $retval[0] );
  92                 $info['fileversions'] = intval( $retval[1] );
  93                 $info['reason'] = $retval[2];
  94                 $this->getResult()->addValue( null, $this->getModuleName(), $info );
  95         }
  96
  97         public function mustBePosted() {
  98                 return true;
  99         }
 100
 101         public function isWriteMode() {
 102                 return true;
 103         }
 104
 105         public function getAllowedParams() {
 106                 return [
 107                         'title' => [
 108                                 ApiBase::PARAM_TYPE => 'string',
 109                                 ApiBase::PARAM_REQUIRED => true
 110                         ],
 111                         'reason' => '',
 112                         'tags' => [
 113                                 ApiBase::PARAM_TYPE => 'tags',
 114                                 ApiBase::PARAM_ISMULTI => true,
 115                         ],
 116                         'timestamps' => [
 117                                 ApiBase::PARAM_TYPE => 'timestamp',
 118                                 ApiBase::PARAM_ISMULTI => true,
 119                         ],
 120                         'fileids' => [
 121                                 ApiBase::PARAM_TYPE => 'integer',
 122                                 ApiBase::PARAM_ISMULTI => true,
 123                         ],
 124                         'watchlist' => [
 125                                 ApiBase::PARAM_DFLT => 'preferences',
 126                                 ApiBase::PARAM_TYPE => [
 127                                         'watch',
 128                                         'unwatch',
 129                                         'preferences',
 130                                         'nochange'
 131                                 ],
 132                         ],
 133                 ];
 134         }
 135
 136         public function needsToken() {
 137                 return 'csrf';
 138         }
 139
 140         protected function getExamplesMessages() {
 141                 return [
 142                         'action=undelete&title=Main%20Page&token=123ABC&reason=Restoring%20main%20page'
 143                                 => 'apihelp-undelete-example-page',
 144                         'action=undelete&title=Main%20Page&token=123ABC' .
 145                                 '&timestamps=2007-07-03T22:00:45Z|2007-07-02T19:48:56Z'
 146                                 => 'apihelp-undelete-example-revisions',
 147                 ];
 148         }
 149
 150         public function getHelpUrls() {
 151                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Undelete';
 152         }
 153 }