includes/api/ApiImageRotate.php

   1 <?php
   2 /**
   3  *
   4  * Created on January 3rd, 2013
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @file
  22  */
  23
  24 class ApiImageRotate extends ApiBase {
  25         private $mPageSet = null;
  26
  27         public function execute() {
  28                 $this->useTransactionalTimeLimit();
  29
  30                 $params = $this->extractRequestParams();
  31                 $rotation = $params['rotation'];
  32
  33                 $continuationManager = new ApiContinuationManager( $this, [], [] );
  34                 $this->setContinuationManager( $continuationManager );
  35
  36                 $pageSet = $this->getPageSet();
  37                 $pageSet->execute();
  38
  39                 $result = [];
  40
  41                 $result = $pageSet->getInvalidTitlesAndRevisions( [
  42                         'invalidTitles', 'special', 'missingIds', 'missingRevIds', 'interwikiTitles',
  43                 ] );
  44
  45                 // Check if user can add tags
  46                 if ( count( $params['tags'] ) ) {
  47                         $ableToTag = ChangeTags::canAddTagsAccompanyingChange( $params['tags'], $this->getUser() );
  48                         if ( !$ableToTag->isOK() ) {
  49                                 $this->dieStatus( $ableToTag );
  50                         }
  51                 }
  52
  53                 foreach ( $pageSet->getTitles() as $title ) {
  54                         $r = [];
  55                         $r['id'] = $title->getArticleID();
  56                         ApiQueryBase::addTitleInfo( $r, $title );
  57                         if ( !$title->exists() ) {
  58                                 $r['missing'] = true;
  59                                 if ( $title->isKnown() ) {
  60                                         $r['known'] = true;
  61                                 }
  62                         }
  63
  64                         $file = wfFindFile( $title, [ 'latest' => true ] );
  65                         if ( !$file ) {
  66                                 $r['result'] = 'Failure';
  67                                 $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
  68                                         Status::newFatal( 'apierror-filedoesnotexist' )
  69                                 );
  70                                 $result[] = $r;
  71                                 continue;
  72                         }
  73                         $handler = $file->getHandler();
  74                         if ( !$handler || !$handler->canRotate() ) {
  75                                 $r['result'] = 'Failure';
  76                                 $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
  77                                         Status::newFatal( 'apierror-filetypecannotberotated' )
  78                                 );
  79                                 $result[] = $r;
  80                                 continue;
  81                         }
  82
  83                         // Check whether we're allowed to rotate this file
  84                         $permError = $this->checkTitleUserPermissions( $file->getTitle(), [ 'edit', 'upload' ] );
  85                         if ( $permError ) {
  86                                 $r['result'] = 'Failure';
  87                                 $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
  88                                         $this->errorArrayToStatus( $permError )
  89                                 );
  90                                 $result[] = $r;
  91                                 continue;
  92                         }
  93
  94                         $srcPath = $file->getLocalRefPath();
  95                         if ( $srcPath === false ) {
  96                                 $r['result'] = 'Failure';
  97                                 $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
  98                                         Status::newFatal( 'apierror-filenopath' )
  99                                 );
 100                                 $result[] = $r;
 101                                 continue;
 102                         }
 103                         $ext = strtolower( pathinfo( "$srcPath", PATHINFO_EXTENSION ) );
 104                         $tmpFile = TempFSFile::factory( 'rotate_', $ext, wfTempDir() );
 105                         $dstPath = $tmpFile->getPath();
 106                         $err = $handler->rotate( $file, [
 107                                 'srcPath' => $srcPath,
 108                                 'dstPath' => $dstPath,
 109                                 'rotation' => $rotation
 110                         ] );
 111                         if ( !$err ) {
 112                                 $comment = wfMessage(
 113                                         'rotate-comment'
 114                                 )->numParams( $rotation )->inContentLanguage()->text();
 115                                 $status = $file->upload(
 116                                         $dstPath,
 117                                         $comment,
 118                                         $comment,
 119                                         0,
 120                                         false,
 121                                         false,
 122                                         $this->getUser(),
 123                                         $params['tags'] ?: []
 124                                 );
 125                                 if ( $status->isGood() ) {
 126                                         $r['result'] = 'Success';
 127                                 } else {
 128                                         $r['result'] = 'Failure';
 129                                         $r['errors'] = $this->getErrorFormatter()->arrayFromStatus( $status );
 130                                 }
 131                         } else {
 132                                 $r['result'] = 'Failure';
 133                                 $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
 134                                         Status::newFatal( ApiMessage::create( $err->getMsg() ) )
 135                                 );
 136                         }
 137                         $result[] = $r;
 138                 }
 139                 $apiResult = $this->getResult();
 140                 ApiResult::setIndexedTagName( $result, 'page' );
 141                 $apiResult->addValue( null, $this->getModuleName(), $result );
 142
 143                 $this->setContinuationManager( null );
 144                 $continuationManager->setContinuationIntoResult( $apiResult );
 145         }
 146
 147         /**
 148          * Get a cached instance of an ApiPageSet object
 149          * @return ApiPageSet
 150          */
 151         private function getPageSet() {
 152                 if ( $this->mPageSet === null ) {
 153                         $this->mPageSet = new ApiPageSet( $this, 0, NS_FILE );
 154                 }
 155
 156                 return $this->mPageSet;
 157         }
 158
 159         public function mustBePosted() {
 160                 return true;
 161         }
 162
 163         public function isWriteMode() {
 164                 return true;
 165         }
 166
 167         public function getAllowedParams( $flags = 0 ) {
 168                 $result = [
 169                         'rotation' => [
 170                                 ApiBase::PARAM_TYPE => [ '90', '180', '270' ],
 171                                 ApiBase::PARAM_REQUIRED => true
 172                         ],
 173                         'continue' => [
 174                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
 175                         ],
 176                         'tags' => [
 177                                 ApiBase::PARAM_TYPE => 'tags',
 178                                 ApiBase::PARAM_ISMULTI => true,
 179                         ],
 180                 ];
 181                 if ( $flags ) {
 182                         $result += $this->getPageSet()->getFinalParams( $flags );
 183                 }
 184
 185                 return $result;
 186         }
 187
 188         public function needsToken() {
 189                 return 'csrf';
 190         }
 191
 192         protected function getExamplesMessages() {
 193                 return [
 194                         'action=imagerotate&titles=File:Example.jpg&rotation=90&token=123ABC'
 195                                 => 'apihelp-imagerotate-example-simple',
 196                         'action=imagerotate&generator=categorymembers&gcmtitle=Category:Flip&gcmtype=file&' .
 197                                 'rotation=180&token=123ABC'
 198                                 => 'apihelp-imagerotate-example-generator',
 199                 ];
 200         }
 201 }