This creates a new language code, 'x-xss', which is enabled using the setting $wgUseXssLanguage (similar to how $wgUsePigLatinVariant enables the 'en-x-piglatin' language code, and likewise defaults to false; will be enabled in development settings soon). In this language code, all messages become “malicious”, trying to run some alert() JavaScript; if any alert() actually fires in the browser, the message was not escaped properly. ($wgRawHtmlMessages are exempt, since they’re already known to be “unsafe” and require more rights to edit on-wiki.) Messages that are not escaped properly are generally a minor security issue; they effectively let a user with 'editinterface' right (such as a sysop, on many wikis) run arbitrary JS, without needing the 'editsitejs' right (normally restricted to interface admins). Developers can use this language code to more easily check their code for escaping issues / cross-site scripting vulnerabilities. Bug: T340201 Change-Id: Ia9a1cf712b139fea5da72046e37035e6de39d8d5
91 lines
2.5 KiB
PHP
91 lines
2.5 KiB
PHP
<?php
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use MediaWiki\Config\ServiceOptions;
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use MediaWiki\HookContainer\HookContainer;
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use MediaWiki\Languages\LanguageNameUtils;
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use MediaWiki\MainConfigNames;
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class LanguageNameUtilsTest extends MediaWikiUnitTestCase {
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use LanguageNameUtilsTestTrait;
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/** @var HookContainer */
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private $hookContainer;
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protected function setUp(): void {
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parent::setUp();
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$this->hookContainer = $this->createHookContainer();
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}
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/**
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* @param array $optionsArray
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* @return LanguageNameUtils
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*/
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private function newObj( array $optionsArray = [] ): LanguageNameUtils {
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// TODO Why is hookContainer unset here sometimes?
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$this->hookContainer ??= $this->createHookContainer();
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return new LanguageNameUtils(
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new ServiceOptions(
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LanguageNameUtils::CONSTRUCTOR_OPTIONS,
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$optionsArray,
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[
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MainConfigNames::ExtraLanguageNames => [],
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MainConfigNames::LanguageCode => 'en',
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MainConfigNames::UsePigLatinVariant => true,
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MainConfigNames::UseXssLanguage => false,
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]
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),
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$this->hookContainer
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);
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}
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protected function setLanguageTemporaryHook( string $hookName, $handler ): void {
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$this->hookContainer->register( $hookName, $handler );
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}
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protected function clearLanguageHook( string $hookName ): void {
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$this->hookContainer->clear( $hookName );
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}
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private function isSupportedLanguage( $code ) {
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return $this->newObj()->isSupportedLanguage( $code );
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}
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private function isValidCode( $code ) {
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return $this->newObj()->isValidCode( $code );
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}
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private function isValidBuiltInCode( $code ) {
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return $this->newObj()->isValidBuiltInCode( $code );
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}
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private function isKnownLanguageTag( $code ) {
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return $this->newObj()->isKnownLanguageTag( $code );
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}
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private function assertGetLanguageNames( array $options, $expected, $code, ...$otherArgs ) {
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$this->assertSame( $expected, $this->newObj( $options )
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->getLanguageNames( ...$otherArgs )[strtolower( $code )] ?? '' );
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$this->assertSame( $expected,
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$this->newObj( $options )->getLanguageName( $code, ...$otherArgs ) );
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}
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private function getLanguageNames( ...$args ) {
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return $this->newObj()->getLanguageNames( ...$args );
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}
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private function getLanguageName( ...$args ) {
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return $this->newObj()->getLanguageName( ...$args );
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}
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private function getFileName( ...$args ) {
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return $this->newObj()->getFileName( ...$args );
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}
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private function getMessagesFileName( $code ) {
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return $this->newObj()->getMessagesFileName( $code );
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}
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private function getJsonMessagesFileName( $code ) {
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return $this->newObj()->getJsonMessagesFileName( $code );
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}
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}
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