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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\DismissableSiteNotice; |
| 4 | |
| 5 | use MediaWiki\Hook\SiteNoticeAfterHook; |
| 6 | use MediaWiki\Html\Html; |
| 7 | use MediaWiki\Parser\Sanitizer; |
| 8 | use Skin; |
| 9 | use Xml; |
| 10 | |
| 11 | class Hooks implements SiteNoticeAfterHook { |
| 12 | |
| 13 | /** |
| 14 | * @param string &$notice |
| 15 | * @param Skin $skin |
| 16 | * @suppress SecurityCheck-DoubleEscaped |
| 17 | */ |
| 18 | public function onSiteNoticeAfter( &$notice, $skin ) { |
| 19 | global $wgMajorSiteNoticeID, $wgDismissableSiteNoticeForAnons; |
| 20 | if ( method_exists( $skin, 'getVersion' ) ) { |
| 21 | // does the skin support versioning and if so does it provide dismissable site notices? |
| 22 | if ( $skin->getVersion() === 2 ) { |
| 23 | return; |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | if ( trim( Sanitizer::removeHTMLcomments( $notice ) ) === '' ) { |
| 28 | return; |
| 29 | } |
| 30 | |
| 31 | // Dismissal for anons is configurable |
| 32 | if ( $wgDismissableSiteNoticeForAnons || $skin->getUser()->isRegistered() ) { |
| 33 | // Cookie value consists of two parts |
| 34 | $major = (int)$wgMajorSiteNoticeID; |
| 35 | $minor = (int)$skin->msg( 'sitenotice_id' )->inContentLanguage()->text(); |
| 36 | |
| 37 | $out = $skin->getOutput(); |
| 38 | $out->addModuleStyles( 'ext.dismissableSiteNotice.styles' ); |
| 39 | $out->addModules( 'ext.dismissableSiteNotice' ); |
| 40 | $out->addJsConfigVars( 'wgSiteNoticeId', "$major.$minor" ); |
| 41 | |
| 42 | $notice = Html::rawElement( 'div', [ 'class' => 'mw-dismissable-notice' ], |
| 43 | Html::rawElement( 'div', [ 'class' => 'mw-dismissable-notice-close' ], |
| 44 | $skin->msg( 'sitenotice_close-brackets' ) |
| 45 | ->rawParams( |
| 46 | Html::element( |
| 47 | 'a', |
| 48 | [ 'tabindex' => '0', 'role' => 'button' ], |
| 49 | $skin->msg( 'sitenotice_close' )->text() |
| 50 | ) |
| 51 | ) |
| 52 | ->escaped() |
| 53 | ) . |
| 54 | Html::rawElement( 'div', [ 'class' => 'mw-dismissable-notice-body' ], $notice ) |
| 55 | ); |
| 56 | } |
| 57 | |
| 58 | if ( $skin->getUser()->isAnon() ) { |
| 59 | // If there's no nonce (false), pass null to Html::inlineScript |
| 60 | $nonce = $skin->getOutput()->getCSP()->getNonce() ?: null; |
| 61 | |
| 62 | // Hide the sitenotice from search engines (see bug T11209 comment 4) |
| 63 | // NOTE: Is this actually effective? |
| 64 | // NOTE: Avoid document.write (T125323) |
| 65 | // NOTE: Must be compatible with JavaScript in ancient Grade C browsers. |
| 66 | $jsWrapped = |
| 67 | '<div id="mw-dismissablenotice-anonplace"></div>' . |
| 68 | Html::inlineScript( |
| 69 | '(function(){' . |
| 70 | 'var node=document.getElementById("mw-dismissablenotice-anonplace");' . |
| 71 | 'if(node){' . |
| 72 | // Replace placeholder with parsed HTML from $notice. |
| 73 | // Setting outerHTML is supported in all Grade C browsers |
| 74 | // and gracefully fallsback to just setting a property. |
| 75 | // It is short for: |
| 76 | // - Create temporary element or document fragment |
| 77 | // - Set innerHTML. |
| 78 | // - Replace node with wrapper's child nodes. |
| 79 | 'node.outerHTML=' . Xml::encodeJsVar( $notice ) . ';' . |
| 80 | '}' . |
| 81 | '}());', |
| 82 | $nonce |
| 83 | ); |
| 84 | $notice = $jsWrapped; |
| 85 | } |
| 86 | } |
| 87 | } |