includes/api/ApiTag.php

   1 <?php
   2
   3 /**
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  *
  19  * @file
  20  */
  21
  22 /**
  23  * @ingroup API
  24  * @since 1.25
  25  */
  26 class ApiTag extends ApiBase {
  27
  28         public function execute() {
  29                 $params = $this->extractRequestParams();
  30                 $user = $this->getUser();
  31
  32                 // make sure the user is allowed
  33                 $this->checkUserRightsAny( 'changetags' );
  34
  35                 if ( $user->isBlocked() ) {
  36                         $this->dieBlocked( $user->getBlock() );
  37                 }
  38
  39                 // Check if user can add tags
  40                 if ( count( $params['tags'] ) ) {
  41                         $ableToTag = ChangeTags::canAddTagsAccompanyingChange( $params['tags'], $user );
  42                         if ( !$ableToTag->isOk() ) {
  43                                 $this->dieStatus( $ableToTag );
  44                         }
  45                 }
  46
  47                 // validate and process each revid, rcid and logid
  48                 $this->requireAtLeastOneParameter( $params, 'revid', 'rcid', 'logid' );
  49                 $ret = [];
  50                 if ( $params['revid'] ) {
  51                         foreach ( $params['revid'] as $id ) {
  52                                 $ret[] = $this->processIndividual( 'revid', $params, $id );
  53                         }
  54                 }
  55                 if ( $params['rcid'] ) {
  56                         foreach ( $params['rcid'] as $id ) {
  57                                 $ret[] = $this->processIndividual( 'rcid', $params, $id );
  58                         }
  59                 }
  60                 if ( $params['logid'] ) {
  61                         foreach ( $params['logid'] as $id ) {
  62                                 $ret[] = $this->processIndividual( 'logid', $params, $id );
  63                         }
  64                 }
  65
  66                 ApiResult::setIndexedTagName( $ret, 'result' );
  67                 $this->getResult()->addValue( null, $this->getModuleName(), $ret );
  68         }
  69
  70         protected static function validateLogId( $logid ) {
  71                 $dbr = wfGetDB( DB_REPLICA );
  72                 $result = $dbr->selectField( 'logging', 'log_id', [ 'log_id' => $logid ],
  73                         __METHOD__ );
  74                 return (bool)$result;
  75         }
  76
  77         protected function processIndividual( $type, $params, $id ) {
  78                 $idResult = [ $type => $id ];
  79
  80                 // validate the ID
  81                 $valid = false;
  82                 switch ( $type ) {
  83                         case 'rcid':
  84                                 $valid = RecentChange::newFromId( $id );
  85                                 break;
  86                         case 'revid':
  87                                 $valid = Revision::newFromId( $id );
  88                                 break;
  89                         case 'logid':
  90                                 $valid = self::validateLogId( $id );
  91                                 break;
  92                 }
  93
  94                 if ( !$valid ) {
  95                         $idResult['status'] = 'error';
  96                         // Messages: apierror-nosuchrcid apierror-nosuchrevid apierror-nosuchlogid
  97                         $idResult += $this->getErrorFormatter()->formatMessage( [ "apierror-nosuch$type", $id ] );
  98                         return $idResult;
  99                 }
 100
 101                 $status = ChangeTags::updateTagsWithChecks( $params['add'],
 102                         $params['remove'],
 103                         ( $type === 'rcid' ? $id : null ),
 104                         ( $type === 'revid' ? $id : null ),
 105                         ( $type === 'logid' ? $id : null ),
 106                         null,
 107                         $params['reason'],
 108                         $this->getUser() );
 109
 110                 if ( !$status->isOK() ) {
 111                         if ( $status->hasMessage( 'actionthrottledtext' ) ) {
 112                                 $idResult['status'] = 'skipped';
 113                         } else {
 114                                 $idResult['status'] = 'failure';
 115                                 $idResult['errors'] = $this->getErrorFormatter()->arrayFromStatus( $status, 'error' );
 116                         }
 117                 } else {
 118                         $idResult['status'] = 'success';
 119                         if ( is_null( $status->value->logId ) ) {
 120                                 $idResult['noop'] = true;
 121                         } else {
 122                                 $idResult['actionlogid'] = $status->value->logId;
 123                                 $idResult['added'] = $status->value->addedTags;
 124                                 ApiResult::setIndexedTagName( $idResult['added'], 't' );
 125                                 $idResult['removed'] = $status->value->removedTags;
 126                                 ApiResult::setIndexedTagName( $idResult['removed'], 't' );
 127
 128                                 if ( $params['tags'] ) {
 129                                         ChangeTags::addTags( $params['tags'], null, null, $status->value->logId );
 130                                 }
 131                         }
 132                 }
 133                 return $idResult;
 134         }
 135
 136         public function mustBePosted() {
 137                 return true;
 138         }
 139
 140         public function isWriteMode() {
 141                 return true;
 142         }
 143
 144         public function getAllowedParams() {
 145                 return [
 146                         'rcid' => [
 147                                 ApiBase::PARAM_TYPE => 'integer',
 148                                 ApiBase::PARAM_ISMULTI => true,
 149                         ],
 150                         'revid' => [
 151                                 ApiBase::PARAM_TYPE => 'integer',
 152                                 ApiBase::PARAM_ISMULTI => true,
 153                         ],
 154                         'logid' => [
 155                                 ApiBase::PARAM_TYPE => 'integer',
 156                                 ApiBase::PARAM_ISMULTI => true,
 157                         ],
 158                         'add' => [
 159                                 ApiBase::PARAM_TYPE => 'tags',
 160                                 ApiBase::PARAM_ISMULTI => true,
 161                         ],
 162                         'remove' => [
 163                                 ApiBase::PARAM_TYPE => 'string',
 164                                 ApiBase::PARAM_ISMULTI => true,
 165                         ],
 166                         'reason' => [
 167                                 ApiBase::PARAM_DFLT => '',
 168                         ],
 169                         'tags' => [
 170                                 ApiBase::PARAM_TYPE => 'tags',
 171                                 ApiBase::PARAM_ISMULTI => true,
 172                         ],
 173                 ];
 174         }
 175
 176         public function needsToken() {
 177                 return 'csrf';
 178         }
 179
 180         protected function getExamplesMessages() {
 181                 return [
 182                         'action=tag&revid=123&add=vandalism&token=123ABC'
 183                                 => 'apihelp-tag-example-rev',
 184                         'action=tag&logid=123&remove=spam&reason=Wrongly+applied&token=123ABC'
 185                                 => 'apihelp-tag-example-log',
 186                 ];
 187         }
 188
 189         public function getHelpUrls() {
 190                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Tag';
 191         }
 192 }