95 lines
2.5 KiB
PHP
95 lines
2.5 KiB
PHP
<?php
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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namespace MediaWiki\Request;
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use MediaWiki\HookContainer\HookContainer;
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use MediaWiki\HookContainer\HookRunner;
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use Wikimedia\IPSet;
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/**
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* @since 1.28
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*/
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class ProxyLookup {
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/** @var string[] */
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private $proxyServers;
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/** @var string[] */
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private $proxyServersComplex;
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/** @var IPSet|null */
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private $proxyIPSet;
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/** @var HookRunner */
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private $hookRunner;
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/**
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* @param string[] $proxyServers Simple list of IPs
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* @param string[] $proxyServersComplex Complex list of IPs/ranges
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* @param HookContainer $hookContainer
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*/
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public function __construct(
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$proxyServers,
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$proxyServersComplex,
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HookContainer $hookContainer
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) {
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$this->proxyServers = $proxyServers;
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$this->proxyServersComplex = $proxyServersComplex;
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$this->hookRunner = new HookRunner( $hookContainer );
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}
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/**
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* Checks if an IP matches a proxy we've configured
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*
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* @param string $ip
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* @return bool
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*/
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public function isConfiguredProxy( $ip ) {
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// Quick check of known singular proxy servers
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if ( in_array( $ip, $this->proxyServers, true ) ) {
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return true;
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}
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// Check against addresses and CIDR nets in the complex list
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if ( !$this->proxyIPSet ) {
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$this->proxyIPSet = new IPSet( $this->proxyServersComplex );
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}
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return $this->proxyIPSet->match( $ip );
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}
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/**
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* Checks if an IP is a trusted proxy provider.
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* Useful to tell if X-Forwarded-For data is possibly bogus.
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* CDN cache servers for the site are allowed.
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*
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* @param string $ip
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* @return bool
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*/
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public function isTrustedProxy( $ip ) {
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$trusted = $this->isConfiguredProxy( $ip );
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$this->hookRunner->onIsTrustedProxy( $ip, $trusted );
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return $trusted;
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}
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}
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/** @deprecated class alias since 1.41 */
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class_alias( ProxyLookup::class, 'ProxyLookup' );
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