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| 1 | <?php |
| 2 | |
| 3 | declare( strict_types = 1 ); |
| 4 | |
| 5 | namespace EntitySchema\MediaWiki\Specials; |
| 6 | |
| 7 | use EntitySchema\Domain\Model\EntitySchemaId; |
| 8 | use EntitySchema\MediaWiki\Content\EntitySchemaContent; |
| 9 | use EntitySchema\Services\Converter\EntitySchemaConverter; |
| 10 | use InvalidArgumentException; |
| 11 | use MediaWiki\Exception\HttpError; |
| 12 | use MediaWiki\MediaWikiServices; |
| 13 | use MediaWiki\Message\Message; |
| 14 | use MediaWiki\SpecialPage\SpecialPage; |
| 15 | use MediaWiki\Title\Title; |
| 16 | |
| 17 | /** |
| 18 | * @license GPL-2.0-or-later |
| 19 | */ |
| 20 | class EntitySchemaText extends SpecialPage { |
| 21 | |
| 22 | public function __construct() { |
| 23 | parent::__construct( |
| 24 | 'EntitySchemaText', |
| 25 | 'read' |
| 26 | ); |
| 27 | } |
| 28 | |
| 29 | /** @inheritDoc */ |
| 30 | public function execute( $subPage ): void { |
| 31 | parent::execute( $subPage ); |
| 32 | $entitySchemaId = $this->getIdFromSubpage( $subPage ); |
| 33 | if ( !$entitySchemaId ) { |
| 34 | $this->getOutput()->addWikiMsg( 'entityschema-schematext-text' ); |
| 35 | $this->getOutput()->returnToMain(); |
| 36 | return; |
| 37 | } |
| 38 | $title = Title::makeTitle( NS_ENTITYSCHEMA_JSON, $entitySchemaId->getId() ); |
| 39 | |
| 40 | if ( !$title->exists() ) { |
| 41 | throw new HttpError( 404, $this->getOutput()->msg( |
| 42 | 'entityschema-schematext-missing', $subPage |
| 43 | ) ); |
| 44 | } |
| 45 | |
| 46 | $this->sendContentSchemaText( |
| 47 | // @phan-suppress-next-line PhanTypeMismatchArgumentSuperType |
| 48 | MediaWikiServices::getInstance()->getWikiPageFactory()->newFromTitle( $title )->getContent(), |
| 49 | $entitySchemaId |
| 50 | ); |
| 51 | } |
| 52 | |
| 53 | public function getDescription(): Message { |
| 54 | return $this->msg( 'special-schematext' ); |
| 55 | } |
| 56 | |
| 57 | protected function getGroupName(): string { |
| 58 | return 'wikibase'; |
| 59 | } |
| 60 | |
| 61 | private function sendContentSchemaText( EntitySchemaContent $schemaContent, EntitySchemaId $id ): void { |
| 62 | $converter = new EntitySchemaConverter(); |
| 63 | $schemaText = $converter->getSchemaText( $schemaContent->getText() ); |
| 64 | $out = $this->getOutput(); |
| 65 | $out->disable(); |
| 66 | $webResponse = $out->getRequest()->response(); |
| 67 | $webResponse->header( 'Content-Type: text/shex; charset=UTF-8' ); |
| 68 | $webResponse->header( 'Content-Disposition: attachment; filename="' . $id->getId() . '.shex"' ); |
| 69 | // The data here is always public, so allow anyone to access it (similar to Special:EntityData) |
| 70 | $webResponse->header( 'Access-Control-Allow-Origin: *' ); |
| 71 | |
| 72 | ob_clean(); // remove anything that might already be in the output buffer. |
| 73 | echo $schemaText; |
| 74 | } |
| 75 | |
| 76 | private function getIdFromSubpage( ?string $subPage ): ?EntitySchemaId { |
| 77 | if ( !$subPage ) { |
| 78 | return null; |
| 79 | } |
| 80 | try { |
| 81 | $entitySchemaId = new EntitySchemaId( $subPage ); |
| 82 | } catch ( InvalidArgumentException $e ) { |
| 83 | return null; |
| 84 | } |
| 85 | return $entitySchemaId; |
| 86 | } |
| 87 | |
| 88 | } |