Code Coverage for /workspace/src/extensions/CentralNotice/includes/specials/SpecialRecordImpression.php

1	<?php
2
3	use MediaWiki\SpecialPage\UnlistedSpecialPage;
4
5	/**
6	* Null endpoint. This is a workaround to simplify analytics.
7	*/
8	class SpecialRecordImpression extends UnlistedSpecialPage {
9	// Cache this blank response for a day or so (60 * 60 * 24 s.)
10	public const CACHE_EXPIRY = 86400;
11
12	public function __construct() {
13	// Register special page
14	parent::__construct( "RecordImpression" );
15	}
16
17	/** @inheritDoc */
18	public function execute( $par ) {
19	$this->getOutput()->disable();
20
21	$this->sendHeaders();
22
23	// Output nothing else.
24	}
25
26	/**
27	* Generate the HTTP response headers for the banner file
28	*/
29	private function sendHeaders() {
30	$expiry = static::CACHE_EXPIRY;
31	header( "Content-Type: image/png" );
32
33	// If we have a logged in user; do not cache (default for special pages)
34	// lest we capture a set-cookie header. Otherwise cache so we don't have
35	// too big of a DDoS hole.
36	if ( !$this->getUser()->isRegistered() ) {
37	header( "Cache-Control: public, s-maxage={$expiry}, max-age=0" );
38	}
39	}
40	}