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| 1 | <?php |
| 2 | /** |
| 3 | * Adds iframe output ( bug 25862 ) |
| 4 | * |
| 5 | * This enables iframe based embeds of the wikimedia player with the following syntax: |
| 6 | * |
| 7 | * <iframe src="http://commons.wikimedia.org/wiki/File:Folgers.ogv?embedplayer=yes" |
| 8 | * width="240" height="180" frameborder="0" ></iframe> |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | namespace MediaWiki\TimedMediaHandler; |
| 13 | |
| 14 | use Article; |
| 15 | use Exception; |
| 16 | use MediaWiki\Actions\ActionEntryPoint; |
| 17 | use MediaWiki\Config\Config; |
| 18 | use MediaWiki\Hook\MediaWikiPerformActionHook; |
| 19 | use MediaWiki\Html\Html; |
| 20 | use MediaWiki\Output\OutputPage; |
| 21 | use MediaWiki\Request\WebRequest; |
| 22 | use MediaWiki\Title\Title; |
| 23 | use MediaWiki\User\User; |
| 24 | use RepoGroup; |
| 25 | |
| 26 | class TimedMediaIframeOutput implements MediaWikiPerformActionHook { |
| 27 | |
| 28 | /** @var Config */ |
| 29 | private $config; |
| 30 | |
| 31 | /** @var RepoGroup */ |
| 32 | private $repoGroup; |
| 33 | |
| 34 | public function __construct( |
| 35 | Config $config, |
| 36 | RepoGroup $repoGroup |
| 37 | ) { |
| 38 | $this->config = $config; |
| 39 | $this->repoGroup = $repoGroup; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * The iframe hook check file pages embedplayer=yes |
| 44 | * @param OutputPage $output |
| 45 | * @param Article $article |
| 46 | * @param Title $title |
| 47 | * @param User $user |
| 48 | * @param WebRequest $request |
| 49 | * @param ActionEntryPoint $mediaWiki |
| 50 | * @return bool |
| 51 | * @throws Exception |
| 52 | */ |
| 53 | public function onMediaWikiPerformAction( $output, $article, $title, $user, $request, $mediaWiki ) { |
| 54 | if ( !$this->config->get( 'EnableIframeEmbed' ) ) { |
| 55 | // continue normal output iframes are "off" (maybe throw a warning in the future) |
| 56 | return true; |
| 57 | } |
| 58 | |
| 59 | // Make sure we are in the right namespace and iframe=true was called: |
| 60 | if ( is_object( $title ) && $title->getNamespace() === NS_FILE && |
| 61 | $request->getVal( 'embedplayer' ) && |
| 62 | $this->outputIframe( $title, $output ) |
| 63 | ) { |
| 64 | // Turn off output of anything other than the iframe |
| 65 | $output->disable(); |
| 66 | return false; |
| 67 | } |
| 68 | |
| 69 | return true; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Output an iframe |
| 74 | * @param Title $title |
| 75 | * @param OutputPage $out |
| 76 | * @return bool |
| 77 | * @throws Exception |
| 78 | */ |
| 79 | private function outputIframe( Title $title, OutputPage $out ): bool { |
| 80 | global $wgBreakFrames; |
| 81 | |
| 82 | // Setup the render param |
| 83 | $file = $this->repoGroup->findFile( $title ); |
| 84 | if ( !$file ) { |
| 85 | // file was removed, show wiki page with warning |
| 86 | return false; |
| 87 | } |
| 88 | $params = [ |
| 89 | 'inline' => true, |
| 90 | 'fillwindow' => true, |
| 91 | 'width' => $file->getWidth() |
| 92 | ]; |
| 93 | |
| 94 | $videoTransform = $file->transform( $params ); |
| 95 | |
| 96 | // Definitely do not want to break frames |
| 97 | $wgBreakFrames = false; |
| 98 | $out->setPreventClickjacking( false ); |
| 99 | $out->disallowUserJs(); |
| 100 | |
| 101 | $out->addModules( [ 'ext.tmh.player', 'ext.tmh.player.inline' ] ); |
| 102 | $out->addModuleStyles( [ 'embedPlayerIframeStyle' ] ); |
| 103 | |
| 104 | $out->sendCacheControl(); |
| 105 | $rlClient = $out->getRlClient(); |
| 106 | |
| 107 | // Stripped-down version of OutputPage::headElement() |
| 108 | // No skin modules are enqueued because we never call $wgOut->output() |
| 109 | $pieces = [ |
| 110 | Html::htmlHeader( $rlClient->getDocumentAttributes() ), |
| 111 | |
| 112 | Html::openElement( 'head' ), |
| 113 | |
| 114 | Html::element( 'meta', [ 'charset' => 'UTF-8' ] ), |
| 115 | Html::element( 'title', [], $title->getText() ), |
| 116 | $out->getRlClient()->getHeadHtml(), |
| 117 | implode( "\n", $out->getHeadLinksArray() ), |
| 118 | |
| 119 | Html::closeElement( 'head' ), |
| 120 | ]; |
| 121 | |
| 122 | echo implode( "\n", $pieces ); |
| 123 | ?> |
| 124 | <body> |
| 125 | <div id="videoContainer"> |
| 126 | <?php echo $videoTransform->toHtml(); ?> |
| 127 | </div> |
| 128 | <?php echo $out->getBottomScripts(); ?> |
| 129 | </body> |
| 130 | </html> |
| 131 | <?php |
| 132 | return true; |
| 133 | } |
| 134 | |
| 135 | } |