mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/SecureLinkFixer
synced 2024-12-01 10:46:07 +00:00
f0ed5222ff
Makes it much easier to write tests, and do potential further refactoring. Change-Id: I072951bb2bc87639e076d03c233f7283c0b175ff
76 lines
1.8 KiB
PHP
76 lines
1.8 KiB
PHP
<?php
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/**
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* Copyright (C) 2018 Kunal Mehta <legoktm@member.fsf.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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namespace MediaWiki\SecureLinkFixer;
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class HSTSPreloadLookup {
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/**
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* @var array
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*/
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private $domains;
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/**
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* @todo turn into proper MWServices thing
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* @codeCoverageIgnore
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* @return HSTSPreloadLookup
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*/
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public static function getInstance() {
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static $instance;
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if ( !$instance ) {
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$instance = new self( require __DIR__ . '/../domains.php' );
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}
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return $instance;
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}
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/**
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* @param array $domains
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*/
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public function __construct( array $domains ) {
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$this->domains = $domains;
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}
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/**
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* @param string $host Hostname
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*
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* @return bool
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*/
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public function isPreloaded( $host ) {
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if ( isset( $this->domains[$host] ) ) {
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// Host is directly in the preload list
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return true;
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}
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// Check if parent subdomains are preloaded
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while ( strpos( $host, '.' ) !== false ) {
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$host = preg_replace( '/(.*?)\./', '', $host, 1 );
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$subdomains = $this->domains[$host] ?? false;
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if ( $subdomains === 1 ) {
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return true;
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} elseif ( $subdomains === 0 ) {
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return false;
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}
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// else it's not in the db, we might need to look it up again
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}
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// @todo should we keep a negative cache?
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return false;
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}
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}
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