includes/api/ApiRevisionDelete.php

   1 <?php
   2 /**
   3  * Created on Jun 25, 2013
   4  *
   5  * Copyright © 2013 Wikimedia Foundation and contributors
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @since 1.23
  24  */
  25
  26 /**
  27  * API interface to RevDel. The API equivalent of Special:RevisionDelete.
  28  * Requires API write mode to be enabled.
  29  *
  30  * @ingroup API
  31  */
  32 class ApiRevisionDelete extends ApiBase {
  33
  34         public function execute() {
  35                 $this->useTransactionalTimeLimit();
  36
  37                 $params = $this->extractRequestParams();
  38                 $user = $this->getUser();
  39                 $this->checkUserRightsAny( RevisionDeleter::getRestriction( $params['type'] ) );
  40
  41                 if ( $user->isBlocked() ) {
  42                         $this->dieBlocked( $user->getBlock() );
  43                 }
  44
  45                 if ( !$params['ids'] ) {
  46                         $this->dieWithError( [ 'apierror-paramempty', 'ids' ], 'paramempty_ids' );
  47                 }
  48
  49                 // Check if user can add tags
  50                 if ( count( $params['tags'] ) ) {
  51                         $ableToTag = ChangeTags::canAddTagsAccompanyingChange( $params['tags'], $user );
  52                         if ( !$ableToTag->isOK() ) {
  53                                 $this->dieStatus( $ableToTag );
  54                         }
  55                 }
  56
  57                 $hide = $params['hide'] ?: [];
  58                 $show = $params['show'] ?: [];
  59                 if ( array_intersect( $hide, $show ) ) {
  60                         $this->dieWithError( 'apierror-revdel-mutuallyexclusive', 'badparams' );
  61                 } elseif ( !$hide && !$show ) {
  62                         $this->dieWithError( 'apierror-revdel-paramneeded', 'badparams' );
  63                 }
  64                 $bits = [
  65                         'content' => RevisionDeleter::getRevdelConstant( $params['type'] ),
  66                         'comment' => Revision::DELETED_COMMENT,
  67                         'user' => Revision::DELETED_USER,
  68                 ];
  69                 $bitfield = [];
  70                 foreach ( $bits as $key => $bit ) {
  71                         if ( in_array( $key, $hide ) ) {
  72                                 $bitfield[$bit] = 1;
  73                         } elseif ( in_array( $key, $show ) ) {
  74                                 $bitfield[$bit] = 0;
  75                         } else {
  76                                 $bitfield[$bit] = -1;
  77                         }
  78                 }
  79
  80                 if ( $params['suppress'] === 'yes' ) {
  81                         $this->checkUserRightsAny( 'suppressrevision' );
  82                         $bitfield[Revision::DELETED_RESTRICTED] = 1;
  83                 } elseif ( $params['suppress'] === 'no' ) {
  84                         $bitfield[Revision::DELETED_RESTRICTED] = 0;
  85                 } else {
  86                         $bitfield[Revision::DELETED_RESTRICTED] = -1;
  87                 }
  88
  89                 $targetObj = null;
  90                 if ( $params['target'] ) {
  91                         $targetObj = Title::newFromText( $params['target'] );
  92                 }
  93                 $targetObj = RevisionDeleter::suggestTarget( $params['type'], $targetObj, $params['ids'] );
  94                 if ( $targetObj === null ) {
  95                         $this->dieWithError( [ 'apierror-revdel-needtarget' ], 'needtarget' );
  96                 }
  97
  98                 $list = RevisionDeleter::createList(
  99                         $params['type'], $this->getContext(), $targetObj, $params['ids']
 100                 );
 101                 $status = $list->setVisibility( [
 102                         'value' => $bitfield,
 103                         'comment' => $params['reason'],
 104                         'perItemStatus' => true,
 105                         'tags' => $params['tags']
 106                 ] );
 107
 108                 $result = $this->getResult();
 109                 $data = $this->extractStatusInfo( $status );
 110                 $data['target'] = $targetObj->getFullText();
 111                 $data['items'] = [];
 112
 113                 foreach ( $status->itemStatuses as $id => $s ) {
 114                         $data['items'][$id] = $this->extractStatusInfo( $s );
 115                         $data['items'][$id]['id'] = $id;
 116                 }
 117
 118                 $list->reloadFromMaster();
 119                 // @codingStandardsIgnoreStart Avoid function calls in a FOR loop test part
 120                 for ( $item = $list->reset(); $list->current(); $item = $list->next() ) {
 121                         $data['items'][$item->getId()] += $item->getApiData( $this->getResult() );
 122                 }
 123                 // @codingStandardsIgnoreEnd
 124
 125                 $data['items'] = array_values( $data['items'] );
 126                 ApiResult::setIndexedTagName( $data['items'], 'i' );
 127                 $result->addValue( null, $this->getModuleName(), $data );
 128         }
 129
 130         private function extractStatusInfo( $status ) {
 131                 $ret = [
 132                         'status' => $status->isOK() ? 'Success' : 'Fail',
 133                 ];
 134
 135                 $errors = $this->getErrorFormatter()->arrayFromStatus( $status, 'error' );
 136                 if ( $errors ) {
 137                         $ret['errors'] = $errors;
 138                 }
 139                 $warnings = $this->getErrorFormatter()->arrayFromStatus( $status, 'warning' );
 140                 if ( $warnings ) {
 141                         $ret['warnings'] = $warnings;
 142                 }
 143
 144                 return $ret;
 145         }
 146
 147         public function mustBePosted() {
 148                 return true;
 149         }
 150
 151         public function isWriteMode() {
 152                 return true;
 153         }
 154
 155         public function getAllowedParams() {
 156                 return [
 157                         'type' => [
 158                                 ApiBase::PARAM_TYPE => RevisionDeleter::getTypes(),
 159                                 ApiBase::PARAM_REQUIRED => true
 160                         ],
 161                         'target' => null,
 162                         'ids' => [
 163                                 ApiBase::PARAM_ISMULTI => true,
 164                                 ApiBase::PARAM_REQUIRED => true
 165                         ],
 166                         'hide' => [
 167                                 ApiBase::PARAM_TYPE => [ 'content', 'comment', 'user' ],
 168                                 ApiBase::PARAM_ISMULTI => true,
 169                         ],
 170                         'show' => [
 171                                 ApiBase::PARAM_TYPE => [ 'content', 'comment', 'user' ],
 172                                 ApiBase::PARAM_ISMULTI => true,
 173                         ],
 174                         'suppress' => [
 175                                 ApiBase::PARAM_TYPE => [ 'yes', 'no', 'nochange' ],
 176                                 ApiBase::PARAM_DFLT => 'nochange',
 177                         ],
 178                         'reason' => null,
 179                         'tags' => [
 180                                 ApiBase::PARAM_TYPE => 'tags',
 181                                 ApiBase::PARAM_ISMULTI => true,
 182                         ],
 183                 ];
 184         }
 185
 186         public function needsToken() {
 187                 return 'csrf';
 188         }
 189
 190         protected function getExamplesMessages() {
 191                 return [
 192                         'action=revisiondelete&target=Main%20Page&type=revision&ids=12345&' .
 193                                 'hide=content&token=123ABC'
 194                                 => 'apihelp-revisiondelete-example-revision',
 195                         'action=revisiondelete&type=logging&ids=67890&hide=content|comment|user&' .
 196                                 'reason=BLP%20violation&token=123ABC'
 197                                 => 'apihelp-revisiondelete-example-log',
 198                 ];
 199         }
 200
 201         public function getHelpUrls() {
 202                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Revisiondelete';
 203         }
 204 }