CentralAuthTokenSessionProviderTestBase.php
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CentralAuthTokenSessionProviderTestBase.php
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	<?php

	use MediaWiki\Context\RequestContext;
	use MediaWiki\Extension\CentralAuth\CentralAuthServices;
	use MediaWiki\Extension\CentralAuth\User\CentralAuthUser;
	use MediaWiki\MainConfigNames;
	use MediaWiki\Output\OutputPage;
	use MediaWiki\Request\FauxRequest;
	use MediaWiki\Request\WebRequest;
	use MediaWiki\ResourceLoader\Module;
	use MediaWiki\Session\Session;
	use MediaWiki\Session\SessionInfo;
	use MediaWiki\Title\Title;
	use MediaWiki\User\User;
	use MediaWiki\User\UserFactory;
	use MediaWiki\User\UserIdentity;
	use PHPUnit\Framework\MockObject\MockObject;
	use Wikimedia\LightweightObjectStore\ExpirationAwareness;
	use Wikimedia\ObjectCache\BagOStuff;
	use Wikimedia\ObjectCache\HashBagOStuff;
	use Wikimedia\Rdbms\IDBAccessObject;
	use Wikimedia\TestingAccessWrapper;

	/**
	* @covers CentralAuthTokenSessionProvider
	* @group medium
	* @group Database
	*/
	abstract class CentralAuthTokenSessionProviderTestBase extends MediaWikiIntegrationTestCase {

	protected BagOStuff $sessionStore;

	/** @var int */
	private $idCounter = 0;

	/**
	* @var User[]\|null
	*/
	private $userObjects;

	public function setUp(): void {
	parent::setUp();

	$this->setUserLang( 'qqx' );

	$this->sessionStore = new HashBagOStuff();
	$this->patchStores();

	// CentralAuthTokenSessionProvider registers hooks dynamically.
	// Make sure the original hooks are restored before the next test.
	$this->overrideConfigValue( MainConfigNames::Hooks, $GLOBALS['wgHooks'] );
	}

	/**
	* Patch our modified session store into CentralAuthSessionManager
	*/
	private function patchStores() {
	$sessionManager = CentralAuthServices::getSessionManager( $this->getServiceContainer() );
	$wrappedSessionManager = TestingAccessWrapper::newFromObject( $sessionManager );
	$wrappedSessionManager->sessionStore = $this->sessionStore;

	$tokenManager = CentralAuthServices::getTokenManager( $this->getServiceContainer() );
	$wrappedTokenManager = TestingAccessWrapper::newFromObject( $tokenManager );
	$wrappedTokenManager->tokenStore = $this->sessionStore;
	}

	protected function assertSessionInfoError(
	WebRequest $request,
	?SessionInfo $result,
	?string $error = null,
	?string $code = null
	) {
	$this->assertNotNull( $result );

	$data = $result->getProviderMetadata();
	$this->assertIsArray( $data );
	$this->assertArrayHasKey( 'error', $data );
	$this->assertArrayHasKey( 'error-code', $data );

	if ( $code ) {
	$this->assertSame( $code, $data['error-code'] );
	}

	if ( $error ) {
	$this->assertSame( $error, $data['error'] );
	}
	}

	protected function assertSessionInfoOk( ?SessionInfo $result ) {
	$data = $result->getProviderMetadata();
	if ( $data !== null ) {
	$this->assertArrayNotHasKey( 'error', $data, $data['error'] ?? '' );
	$this->assertArrayNotHasKey( 'error-code', $data, $data['error-code'] ?? '' );
	}

	$this->assertNotNull( $result->getUserInfo() );
	}

	abstract protected function newSessionProvider();

	protected function makeValidToken( $data = [] ) {
	// NOTE: logic stolen from ApiCentralAuthToken

	$data += [
	'userName' => 'Frank',
	// not the login token
	'token' => 'CATOKEN',
	'origin' => 'test',
	'originSessionId' => 1337,
	];

	$loginToken = 'testtoken' . ++$this->idCounter;

	$tokenManager = CentralAuthServices::getTokenManager( $this->getServiceContainer() );
	$tokenManager->tokenize(
	$data,
	'api-token',
	[ 'token' => $loginToken, 'expiry' => ExpirationAwareness::TTL_HOUR ]
	);
	return $loginToken;
	}

	/**
	* @param int $id
	* @param string $name
	*
	* @return MockObject\|User
	*/
	protected function makeUser( $id, $name ) {
	/** @var MockObject\|CentralAuthUser $caUser */
	$user = $this->createNoOpMock( User::class, [
	'getName', 'getId', 'isAnon'
	] );

	$user->method( 'getId' )->willReturn( $id );
	$user->method( 'getName' )->willReturn( $name );
	$user->method( 'isAnon' )->willReturn( $id === 0 );

	if ( $this->userObjects === null ) {
	// set up a fake user factory
	$this->userObjects = [];

	$userFactory = $this->createNoOpMock( UserFactory::class, [
	'newFromName'
	] );

	$userFactory->method( 'newFromName' )->willReturnCallback( function ( $name ) {
	return $this->userObjects[ $name ] ?? null;
	} );

	$this->setService( 'UserFactory', $userFactory );
	// setService resets existing objects, so make sure our sessionStore patch will be there
	$this->patchStores();
	}

	$this->userObjects[ $name ] = $user;

	return $user;
	}

	/**
	* @param string $name
	* @param array $return
	* @param array $methods
	*
	* @return MockObject\|CentralAuthUser
	*/
	protected function makeCentralAuthUser( $name, $return = [], $methods = [] ) {
	$id = ++$this->idCounter;

	$methods += [
	'getId',
	'getName',
	'renameInProgress',
	'exists',
	'isAttached',
	'authenticateWithToken'
	];

	/** @var MockObject\|CentralAuthUser $caUser */
	$caUser = $this->getMockBuilder( CentralAuthUser::class )
	->setConstructorArgs( [ $name, IDBAccessObject::READ_LATEST ] )
	->getMock();

	$caUser->expects( $this->never() )->method( $this->anythingBut( '__destruct', ...$methods ) );

	$return += [
	'getId' => $id,
	'getName' => $name,
	'renameInProgress' => false,
	'exists' => true,
	'isAttached' => true,
	'authenticateWithToken' => 'ok',
	];

	foreach ( $return as $method => $value ) {
	$caUser->method( $method )->willReturn( $value );
	}

	$user = $this->createMock( UserIdentity::class );
	$user->method( 'getName' )->willReturn( $name );
	CentralAuthUser::setInstance( $user, $caUser );

	$this->makeUser( $id, $name );

	return $caUser;
	}

	abstract protected function makeRequest( $token );

	public function testProvideSessionInfo_noToken() {
	$provider = $this->newSessionProvider();
	$request = new FauxRequest();

	$result = $provider->provideSessionInfo( $request );
	$this->assertNull( $result );
	}

	public function testProvideSessionInfo_unknownToken() {
	$provider = $this->newSessionProvider();

	$request = $this->makeRequest( 'bogus' );
	$result = $provider->provideSessionInfo( $request );
	$this->assertSessionInfoError( $request, $result, 'apierror-centralauth-badtoken', 'badtoken' );
	}

	public function testProvideSessionInfo() {
	$user = $this->makeCentralAuthUser( 'Frank' );
	$token = $this->makeValidToken( [ 'userName' => $user->getName() ] );
	$provider = $this->newSessionProvider();

	$request = $this->makeRequest( $token );
	$result = $provider->provideSessionInfo( $request );
	$this->assertSessionInfoOk( $result );

	$this->assertSame( $user->getName(), $result->getUserInfo()->getName() );
	$this->assertSame( $user->getId(), $result->getUserInfo()->getId() );
	}

	public static function provideBadUsers() {
	yield 'bad user name' => [ '_', [], 'apierror-centralauth-badtoken', 'badtoken' ];

	yield 'rename in progress' => [
	'Fran',
	[ 'renameInProgress' => true ],
	'apierror-centralauth-renameinprogress',
	'renameinprogress'
	];

	yield 'nonexisting user' => [
	'Macy',
	[ 'exists' => false ],
	'apierror-centralauth-badtoken',
	'badtoken'
	];

	yield 'authentication failed' => [
	'Shlob',
	[ 'authenticateWithToken' => 'failed' ],
	'apierror-centralauth-badtoken',
	'badtoken'
	];
	}

	/**
	* @dataProvider provideBadUsers
	*/
	public function testProvideSessionInfo_badUser( $name, $return, $error, $code ) {
	// NOTE: the user gets registered in a fake service,
	// we can't construct it in the data provider!
	$user = $this->makeCentralAuthUser( $name, $return );
	$token = $this->makeValidToken( [ 'userName' => $user->getName() ] );
	$provider = $this->newSessionProvider();

	$request = $this->makeRequest( $token );
	$result = $provider->provideSessionInfo( $request );
	$this->assertSessionInfoError( $request, $result, $error, $code );
	}

	public function testCannotReuseToken() {
	$user = $this->makeCentralAuthUser( 'Frank' );
	$token = $this->makeValidToken( [ 'userName' => $user->getName() ] );
	$provider = $this->newSessionProvider();

	$request = $this->makeRequest( $token );
	$result = $provider->provideSessionInfo( $request );
	$this->assertSessionInfoOk( $result );

	// the token should now be unknown
	$result = $provider->provideSessionInfo( $request );
	$this->assertSessionInfoError( $request, $result, 'apierror-centralauth-badtoken', 'badtoken' );
	}

	public function testInvalidateSessionForUser() {
	$caUser = $this->makeCentralAuthUser( 'Frank', [], [ 'resetAuthToken' ] );
	$caUser->expects( $this->once() )->method( 'resetAuthToken' );

	$user = $this->getServiceContainer()->getUserFactory()->newFromName( $caUser->getName() );

	$provider = $this->newSessionProvider();
	$provider->invalidateSessionsForUser( $user );
	}

	public function testPreventSessionForUser() {
	$user = $this->makeCentralAuthUser( 'Donald' );
	$token = $this->makeValidToken( [ 'userName' => $user->getName() ] );
	$provider = $this->newSessionProvider();

	$provider->preventSessionsForUser( $user->getName() );

	$request = $this->makeRequest( $token );
	$result = $provider->provideSessionInfo( $request );

	$this->assertSessionInfoError( $request, $result, 'apierror-centralauth-badtoken', 'badtoken' );
	}

	public function testUserScriptsDisabled() {
	$provider = $this->newSessionProvider();

	$session = $this->createNoOpMock(
	Session::class,
	[ 'getProvider', 'getSessionId', 'get', 'canSetUser', 'isPersistent', 'getUser' ]
	);
	$session->method( 'getProvider' )->willReturn( $provider );
	$session->method( 'getSessionId' )->willReturn( 23 );
	$session->method( 'get' )->willReturn( null );
	$session->method( 'isPersistent' )->willReturn( true );
	$session->method( 'getUser' )->willReturn( $this->getTestUser()->getUser() );

	/** @var MockObject\|WebRequest $request */
	$request = $this->getMockBuilder( FauxRequest::class )
	->setConstructorArgs( [], false, $session )
	->onlyMethods( [ 'getSession' ] )
	->getMock();
	$request->method( 'getSession' )->willReturn( $session );

	$context = new RequestContext();
	$context->setRequest( $request );

	$context->setTitle( Title::newMainPage() );
	$context->setUser( $this->getTestUser()->getUser() );

	$out = new OutputPage( $context );

	$out->output( true );
	$this->assertSame(
	Module::ORIGIN_USER_SITEWIDE,
	$out->getAllowedModules( Module::TYPE_SCRIPTS )
	);
	$this->assertSame(
	Module::ORIGIN_USER_SITEWIDE,
	$out->getAllowedModules( Module::TYPE_STYLES )
	);
	}

	}

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