wikimedia/mediawiki-core

<?php
/**
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

use MediaWiki\FileBackend\FSFile\TempFSFileFactory;
use MediaWiki\Status\Status;
use MediaWiki\Title\TitleFactory;
use Wikimedia\ParamValidator\ParamValidator;

/**
 * @ingroup API
 */
class ApiImageRotate extends ApiBase {
    private $mPageSet = null;

    private RepoGroup $repoGroup;
    private TempFSFileFactory $tempFSFileFactory;
    private TitleFactory $titleFactory;

    /**
     * @param ApiMain $mainModule
     * @param string $moduleName
     * @param RepoGroup $repoGroup
     * @param TempFSFileFactory $tempFSFileFactory
     * @param TitleFactory $titleFactory
     */
    public function __construct(
        ApiMain $mainModule,
        $moduleName,
        RepoGroup $repoGroup,
        TempFSFileFactory $tempFSFileFactory,
        TitleFactory $titleFactory
    ) {
        parent::__construct( $mainModule, $moduleName );
        $this->repoGroup = $repoGroup;
        $this->tempFSFileFactory = $tempFSFileFactory;
        $this->titleFactory = $titleFactory;
    }

    public function execute() {
        $this->useTransactionalTimeLimit();

        $params = $this->extractRequestParams();
        $rotation = $params['rotation'];

        $continuationManager = new ApiContinuationManager( $this, [], [] );
        $this->setContinuationManager( $continuationManager );

        $pageSet = $this->getPageSet();
        $pageSet->execute();

        $result = $pageSet->getInvalidTitlesAndRevisions( [
            'invalidTitles', 'special', 'missingIds', 'missingRevIds', 'interwikiTitles',
        ] );

        // Check if user can add tags
        if ( $params['tags'] ) {
            $ableToTag = ChangeTags::canAddTagsAccompanyingChange( $params['tags'], $this->getAuthority() );
            if ( !$ableToTag->isOK() ) {
                $this->dieStatus( $ableToTag );
            }
        }

        foreach ( $pageSet->getPages() as $page ) {
            $title = $this->titleFactory->newFromPageIdentity( $page );
            $r = [];
            $r['id'] = $title->getArticleID();
            ApiQueryBase::addTitleInfo( $r, $title );
            if ( !$title->exists() ) {
                $r['missing'] = true;
                if ( $title->isKnown() ) {
                    $r['known'] = true;
                }
            }

            $file = $this->repoGroup->findFile( $title, [ 'latest' => true ] );
            if ( !$file ) {
                $r['result'] = 'Failure';
                $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
                    Status::newFatal( 'apierror-filedoesnotexist' )
                );
                $result[] = $r;
                continue;
            }
            $handler = $file->getHandler();
            if ( !$handler || !$handler->canRotate() ) {
                $r['result'] = 'Failure';
                $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
                    Status::newFatal( 'apierror-filetypecannotberotated' )
                );
                $result[] = $r;
                continue;
            }

            // Check whether we're allowed to rotate this file
            $this->checkTitleUserPermissions( $file->getTitle(), [ 'edit', 'upload' ] );

            $srcPath = $file->getLocalRefPath();
            if ( $srcPath === false ) {
                $r['result'] = 'Failure';
                $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
                    Status::newFatal( 'apierror-filenopath' )
                );
                $result[] = $r;
                continue;
            }
            $ext = strtolower( pathinfo( "$srcPath", PATHINFO_EXTENSION ) );
            $tmpFile = $this->tempFSFileFactory->newTempFSFile( 'rotate_', $ext );
            $dstPath = $tmpFile->getPath();
            // @phan-suppress-next-line PhanUndeclaredMethod
            $err = $handler->rotate( $file, [
                'srcPath' => $srcPath,
                'dstPath' => $dstPath,
                'rotation' => $rotation
            ] );
            if ( !$err ) {
                $comment = $this->msg(
                    'rotate-comment'
                )->numParams( $rotation )->inContentLanguage()->text();
                // @phan-suppress-next-line PhanUndeclaredMethod
                $status = $file->upload(
                    $dstPath,
                    $comment,
                    $comment,
                    0,
                    false,
                    false,
                    $this->getAuthority(),
                    $params['tags'] ?: []
                );
                if ( $status->isGood() ) {
                    $r['result'] = 'Success';
                } else {
                    $r['result'] = 'Failure';
                    $r['errors'] = $this->getErrorFormatter()->arrayFromStatus( $status );
                }
            } else {
                $r['result'] = 'Failure';
                $r['errors'] = $this->getErrorFormatter()->arrayFromStatus(
                    Status::newFatal( ApiMessage::create( $err->getMsg() ) )
                );
            }
            $result[] = $r;
        }
        $apiResult = $this->getResult();
        ApiResult::setIndexedTagName( $result, 'page' );
        $apiResult->addValue( null, $this->getModuleName(), $result );

        $this->setContinuationManager( null );
        $continuationManager->setContinuationIntoResult( $apiResult );
    }

    /**
     * Get a cached instance of an ApiPageSet object
     * @return ApiPageSet
     */
    private function getPageSet() {
        $this->mPageSet ??= new ApiPageSet( $this, 0, NS_FILE );

        return $this->mPageSet;
    }

    public function mustBePosted() {
        return true;
    }

    public function isWriteMode() {
        return true;
    }

    public function getAllowedParams( $flags = 0 ) {
        $result = [
            'rotation' => [
                ParamValidator::PARAM_TYPE => [ '90', '180', '270' ],
                ParamValidator::PARAM_REQUIRED => true
            ],
            'continue' => [
                ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
            ],
            'tags' => [
                ParamValidator::PARAM_TYPE => 'tags',
                ParamValidator::PARAM_ISMULTI => true,
            ],
        ];
        if ( $flags ) {
            $result += $this->getPageSet()->getFinalParams( $flags );
        }

        return $result;
    }

    public function needsToken() {
        return 'csrf';
    }

    protected function getExamplesMessages() {
        return [
            'action=imagerotate&titles=File:Example.jpg&rotation=90&token=123ABC'
                => 'apihelp-imagerotate-example-simple',
            'action=imagerotate&generator=categorymembers&gcmtitle=Category:Flip&gcmtype=file&' .
                'rotation=180&token=123ABC'
                => 'apihelp-imagerotate-example-generator',
        ];
    }

    public function getHelpUrls() {
        return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Imagerotate';
    }
}