BotPasswordSessionProviderTest.php

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<?php
 
namespace MediaWiki\Session;
 
use Psr\Log\LogLevel;
use MediaWikiTestCase;
use Wikimedia\TestingAccessWrapper;
 
class BotPasswordSessionProviderTest extends MediaWikiTestCase {
 
    private $config;
 
    private function getProvider( $name = null, $prefix = null ) {
        global $wgSessionProviders;
 
        $params = [
            'priority' => 40,
            'sessionCookieName' => $name,
            'sessionCookieOptions' => [],
        ];
        if ( $prefix !== null ) {
            $params['sessionCookieOptions']['prefix'] = $prefix;
        }
 
        if ( !$this->config ) {
            $this->config = new \HashConfig( [
                'CookiePrefix' => 'wgCookiePrefix',
                'EnableBotPasswords' => true,
                'BotPasswordsDatabase' => false,
                'SessionProviders' => $wgSessionProviders + [
                    BotPasswordSessionProvider::class => [
                        'class' => BotPasswordSessionProvider::class,
                        'args' => [ $params ],
                    ]
                ],
            ] );
        }
        $manager = new SessionManager( [
            'config' => new \MultiConfig( [ $this->config, \RequestContext::getMain()->getConfig() ] ),
            'logger' => new \Psr\Log\NullLogger,
            'store' => new TestBagOStuff,
        ] );
 
        return $manager->getProvider( BotPasswordSessionProvider::class );
    }
 
    protected function setUp() {
        parent::setUp();
 
        $this->setMwGlobals( [
            'wgEnableBotPasswords' => true,
            'wgBotPasswordsDatabase' => false,
            'wgCentralIdLookupProvider' => 'local',
            'wgGrantPermissions' => [
                'test' => [ 'read' => true ],
            ],
        ] );
    }
 
    public function addDBDataOnce() {
        $passwordFactory = new \PasswordFactory();
        $passwordFactory->init( \RequestContext::getMain()->getConfig() );
        $passwordHash = $passwordFactory->newFromPlaintext( 'foobaz' );
 
        $sysop = static::getTestSysop()->getUser();
        $userId = \CentralIdLookup::factory( 'local' )->centralIdFromName( $sysop->getName() );
 
        $dbw = wfGetDB( DB_MASTER );
        $dbw->delete(
            'bot_passwords',
            [ 'bp_user' => $userId, 'bp_app_id' => 'BotPasswordSessionProvider' ],
            __METHOD__
        );
        $dbw->insert(
            'bot_passwords',
            [
                'bp_user' => $userId,
                'bp_app_id' => 'BotPasswordSessionProvider',
                'bp_password' => $passwordHash->toString(),
                'bp_token' => 'token!',
                'bp_restrictions' => '{"IPAddresses":["127.0.0.0/8"]}',
                'bp_grants' => '["test"]',
            ],
            __METHOD__
        );
    }
 
    public function testConstructor() {
        try {
            $provider = new BotPasswordSessionProvider();
            $this->fail( 'Expected exception not thrown' );
        } catch ( \InvalidArgumentException $ex ) {
            $this->assertSame(
                'MediaWiki\\Session\\BotPasswordSessionProvider::__construct: priority must be specified',
                $ex->getMessage()
            );
        }
 
        try {
            $provider = new BotPasswordSessionProvider( [
                'priority' => SessionInfo::MIN_PRIORITY - 1
            ] );
            $this->fail( 'Expected exception not thrown' );
        } catch ( \InvalidArgumentException $ex ) {
            $this->assertSame(
                'MediaWiki\\Session\\BotPasswordSessionProvider::__construct: Invalid priority',
                $ex->getMessage()
            );
        }
 
        try {
            $provider = new BotPasswordSessionProvider( [
                'priority' => SessionInfo::MAX_PRIORITY + 1
            ] );
            $this->fail( 'Expected exception not thrown' );
        } catch ( \InvalidArgumentException $ex ) {
            $this->assertSame(
                'MediaWiki\\Session\\BotPasswordSessionProvider::__construct: Invalid priority',
                $ex->getMessage()
            );
        }
 
        $provider = new BotPasswordSessionProvider( [
            'priority' => 40
        ] );
        $priv = TestingAccessWrapper::newFromObject( $provider );
        $this->assertSame( 40, $priv->priority );
        $this->assertSame( '_BPsession', $priv->sessionCookieName );
        $this->assertSame( [], $priv->sessionCookieOptions );
 
        $provider = new BotPasswordSessionProvider( [
            'priority' => 40,
            'sessionCookieName' => null,
        ] );
        $priv = TestingAccessWrapper::newFromObject( $provider );
        $this->assertSame( '_BPsession', $priv->sessionCookieName );
 
        $provider = new BotPasswordSessionProvider( [
            'priority' => 40,
            'sessionCookieName' => 'Foo',
            'sessionCookieOptions' => [ 'Bar' ],
        ] );
        $priv = TestingAccessWrapper::newFromObject( $provider );
        $this->assertSame( 'Foo', $priv->sessionCookieName );
        $this->assertSame( [ 'Bar' ], $priv->sessionCookieOptions );
    }
 
    public function testBasics() {
        $provider = $this->getProvider();
 
        $this->assertTrue( $provider->persistsSessionId() );
        $this->assertFalse( $provider->canChangeUser() );
 
        $this->assertNull( $provider->newSessionInfo() );
        $this->assertNull( $provider->newSessionInfo( 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' ) );
    }
 
    public function testProvideSessionInfo() {
        $provider = $this->getProvider();
        $request = new \FauxRequest;
        $request->setCookie( '_BPsession', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'wgCookiePrefix' );
 
        if ( !defined( 'MW_API' ) ) {
            $this->assertNull( $provider->provideSessionInfo( $request ) );
            define( 'MW_API', 1 );
        }
 
        $info = $provider->provideSessionInfo( $request );
        $this->assertInstanceOf( SessionInfo::class, $info );
        $this->assertSame( 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', $info->getId() );
 
        $this->config->set( 'EnableBotPasswords', false );
        $this->assertNull( $provider->provideSessionInfo( $request ) );
        $this->config->set( 'EnableBotPasswords', true );
 
        $this->assertNull( $provider->provideSessionInfo( new \FauxRequest ) );
    }
 
    public function testNewSessionInfoForRequest() {
        $provider = $this->getProvider();
        $user = static::getTestSysop()->getUser();
        $request = $this->getMockBuilder( \FauxRequest::class )
            ->setMethods( [ 'getIP' ] )->getMock();
        $request->expects( $this->any() )->method( 'getIP' )
            ->will( $this->returnValue( '127.0.0.1' ) );
        $bp = \BotPassword::newFromUser( $user, 'BotPasswordSessionProvider' );
 
        $session = $provider->newSessionForRequest( $user, $bp, $request );
        $this->assertInstanceOf( Session::class, $session );
 
        $this->assertEquals( $session->getId(), $request->getSession()->getId() );
        $this->assertEquals( $user->getName(), $session->getUser()->getName() );
 
        $this->assertEquals( [
            'centralId' => $bp->getUserCentralId(),
            'appId' => $bp->getAppId(),
            'token' => $bp->getToken(),
            'rights' => [ 'read' ],
        ], $session->getProviderMetadata() );
 
        $this->assertEquals( [ 'read' ], $session->getAllowedUserRights() );
    }
 
    public function testCheckSessionInfo() {
        $logger = new \TestLogger( true );
        $provider = $this->getProvider();
        $provider->setLogger( $logger );
 
        $user = static::getTestSysop()->getUser();
        $request = $this->getMockBuilder( \FauxRequest::class )
            ->setMethods( [ 'getIP' ] )->getMock();
        $request->expects( $this->any() )->method( 'getIP' )
            ->will( $this->returnValue( '127.0.0.1' ) );
        $bp = \BotPassword::newFromUser( $user, 'BotPasswordSessionProvider' );
 
        $data = [
            'provider' => $provider,
            'id' => 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
            'userInfo' => UserInfo::newFromUser( $user, true ),
            'persisted' => false,
            'metadata' => [
                'centralId' => $bp->getUserCentralId(),
                'appId' => $bp->getAppId(),
                'token' => $bp->getToken(),
            ],
        ];
        $dataMD = $data['metadata'];
 
        foreach ( array_keys( $data['metadata'] ) as $key ) {
            $data['metadata'] = $dataMD;
            unset( $data['metadata'][$key] );
            $info = new SessionInfo( SessionInfo::MIN_PRIORITY, $data );
            $metadata = $info->getProviderMetadata();
 
            $this->assertFalse( $provider->refreshSessionInfo( $info, $request, $metadata ) );
            $this->assertSame( [
                [ LogLevel::INFO, 'Session "{session}": Missing metadata: {missing}' ]
            ], $logger->getBuffer() );
            $logger->clearBuffer();
        }
 
        $data['metadata'] = $dataMD;
        $data['metadata']['appId'] = 'Foobar';
        $info = new SessionInfo( SessionInfo::MIN_PRIORITY, $data );
        $metadata = $info->getProviderMetadata();
        $this->assertFalse( $provider->refreshSessionInfo( $info, $request, $metadata ) );
        $this->assertSame( [
            [ LogLevel::INFO, 'Session "{session}": No BotPassword for {centralId} {appId}' ],
        ], $logger->getBuffer() );
        $logger->clearBuffer();
 
        $data['metadata'] = $dataMD;
        $data['metadata']['token'] = 'Foobar';
        $info = new SessionInfo( SessionInfo::MIN_PRIORITY, $data );
        $metadata = $info->getProviderMetadata();
        $this->assertFalse( $provider->refreshSessionInfo( $info, $request, $metadata ) );
        $this->assertSame( [
            [ LogLevel::INFO, 'Session "{session}": BotPassword token check failed' ],
        ], $logger->getBuffer() );
        $logger->clearBuffer();
 
        $request2 = $this->getMockBuilder( \FauxRequest::class )
            ->setMethods( [ 'getIP' ] )->getMock();
        $request2->expects( $this->any() )->method( 'getIP' )
            ->will( $this->returnValue( '10.0.0.1' ) );
        $data['metadata'] = $dataMD;
        $info = new SessionInfo( SessionInfo::MIN_PRIORITY, $data );
        $metadata = $info->getProviderMetadata();
        $this->assertFalse( $provider->refreshSessionInfo( $info, $request2, $metadata ) );
        $this->assertSame( [
            [ LogLevel::INFO, 'Session "{session}": Restrictions check failed' ],
        ], $logger->getBuffer() );
        $logger->clearBuffer();
 
        $info = new SessionInfo( SessionInfo::MIN_PRIORITY, $data );
        $metadata = $info->getProviderMetadata();
        $this->assertTrue( $provider->refreshSessionInfo( $info, $request, $metadata ) );
        $this->assertSame( [], $logger->getBuffer() );
        $this->assertEquals( $dataMD + [ 'rights' => [ 'read' ] ], $metadata );
    }
 
    public function testGetAllowedUserRights() {
        $logger = new \TestLogger( true );
        $provider = $this->getProvider();
        $provider->setLogger( $logger );
 
        $backend = TestUtils::getDummySessionBackend();
        $backendPriv = TestingAccessWrapper::newFromObject( $backend );
 
        try {
            $provider->getAllowedUserRights( $backend );
            $this->fail( 'Expected exception not thrown' );
        } catch ( \InvalidArgumentException $ex ) {
            $this->assertSame( 'Backend\'s provider isn\'t $this', $ex->getMessage() );
        }
 
        $backendPriv->provider = $provider;
        $backendPriv->providerMetadata = [ 'rights' => [ 'foo', 'bar', 'baz' ] ];
        $this->assertSame( [ 'foo', 'bar', 'baz' ], $provider->getAllowedUserRights( $backend ) );
        $this->assertSame( [], $logger->getBuffer() );
 
        $backendPriv->providerMetadata = [ 'foo' => 'bar' ];
        $this->assertSame( [], $provider->getAllowedUserRights( $backend ) );
        $this->assertSame( [
            [
                LogLevel::DEBUG,
                'MediaWiki\\Session\\BotPasswordSessionProvider::getAllowedUserRights: ' .
                    'No provider metadata, returning no rights allowed'
            ]
        ], $logger->getBuffer() );
        $logger->clearBuffer();
 
        $backendPriv->providerMetadata = [ 'rights' => 'bar' ];
        $this->assertSame( [], $provider->getAllowedUserRights( $backend ) );
        $this->assertSame( [
            [
                LogLevel::DEBUG,
                'MediaWiki\\Session\\BotPasswordSessionProvider::getAllowedUserRights: ' .
                    'No provider metadata, returning no rights allowed'
            ]
        ], $logger->getBuffer() );
        $logger->clearBuffer();
 
        $backendPriv->providerMetadata = null;
        $this->assertSame( [], $provider->getAllowedUserRights( $backend ) );
        $this->assertSame( [
            [
                LogLevel::DEBUG,
                'MediaWiki\\Session\\BotPasswordSessionProvider::getAllowedUserRights: ' .
                    'No provider metadata, returning no rights allowed'
            ]
        ], $logger->getBuffer() );
        $logger->clearBuffer();
    }
}