BotPasswordTest.php

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<?php

use MediaWiki\Session\SessionManager;

class BotPasswordTest extends MediaWikiTestCase {

    private $testUser;

    private $testUserName;

    protected function setUp() {
        parent::setUp();

        $this->setMwGlobals( [
            'wgEnableBotPasswords' => true,
            'wgBotPasswordsDatabase' => false,
            'wgCentralIdLookupProvider' => 'BotPasswordTest OkMock',
            'wgGrantPermissions' => [
                'test' => [ 'read' => true ],
            ],
            'wgUserrightsInterwikiDelimiter' => '@',
        ] );

        $this->testUser = $this->getMutableTestUser();
        $this->testUserName = $this->testUser->getUser()->getName();

        $mock1 = $this->getMockForAbstractClass( 'CentralIdLookup' );
        $mock1->expects( $this->any() )->method( 'isAttached' )
            ->will( $this->returnValue( true ) );
        $mock1->expects( $this->any() )->method( 'lookupUserNames' )
            ->will( $this->returnValue( [ $this->testUserName => 42, 'UTDummy' => 43, 'UTInvalid' => 0 ] ) );
        $mock1->expects( $this->never() )->method( 'lookupCentralIds' );

        $mock2 = $this->getMockForAbstractClass( 'CentralIdLookup' );
        $mock2->expects( $this->any() )->method( 'isAttached' )
            ->will( $this->returnValue( false ) );
        $mock2->expects( $this->any() )->method( 'lookupUserNames' )
            ->will( $this->returnArgument( 0 ) );
        $mock2->expects( $this->never() )->method( 'lookupCentralIds' );

        $this->mergeMwGlobalArrayValue( 'wgCentralIdLookupProviders', [
            'BotPasswordTest OkMock' => [ 'factory' => function () use ( $mock1 ) {
                return $mock1;
            } ],
            'BotPasswordTest FailMock' => [ 'factory' => function () use ( $mock2 ) {
                return $mock2;
            } ],
        ] );

        CentralIdLookup::resetCache();
    }

    public function addDBData() {
        $passwordFactory = new \PasswordFactory();
        $passwordFactory->init( \RequestContext::getMain()->getConfig() );
        $passwordHash = $passwordFactory->newFromPlaintext( 'foobaz' );

        $dbw = wfGetDB( DB_MASTER );
        $dbw->delete(
            'bot_passwords',
            [ 'bp_user' => [ 42, 43 ], 'bp_app_id' => 'BotPassword' ],
            __METHOD__
        );
        $dbw->insert(
            'bot_passwords',
            [
                [
                    'bp_user' => 42,
                    'bp_app_id' => 'BotPassword',
                    'bp_password' => $passwordHash->toString(),
                    'bp_token' => 'token!',
                    'bp_restrictions' => '{"IPAddresses":["127.0.0.0/8"]}',
                    'bp_grants' => '["test"]',
                ],
                [
                    'bp_user' => 43,
                    'bp_app_id' => 'BotPassword',
                    'bp_password' => $passwordHash->toString(),
                    'bp_token' => 'token!',
                    'bp_restrictions' => '{"IPAddresses":["127.0.0.0/8"]}',
                    'bp_grants' => '["test"]',
                ],
            ],
            __METHOD__
        );
    }

    public function testBasics() {
        $user = $this->testUser->getUser();
        $bp = BotPassword::newFromUser( $user, 'BotPassword' );
        $this->assertInstanceOf( 'BotPassword', $bp );
        $this->assertTrue( $bp->isSaved() );
        $this->assertSame( 42, $bp->getUserCentralId() );
        $this->assertSame( 'BotPassword', $bp->getAppId() );
        $this->assertSame( 'token!', trim( $bp->getToken(), " \0" ) );
        $this->assertEquals( '{"IPAddresses":["127.0.0.0/8"]}', $bp->getRestrictions()->toJson() );
        $this->assertSame( [ 'test' ], $bp->getGrants() );

        $this->assertNull( BotPassword::newFromUser( $user, 'DoesNotExist' ) );

        $this->setMwGlobals( [
            'wgCentralIdLookupProvider' => 'BotPasswordTest FailMock'
        ] );
        $this->assertNull( BotPassword::newFromUser( $user, 'BotPassword' ) );

        $this->assertSame( '@', BotPassword::getSeparator() );
        $this->setMwGlobals( [
            'wgUserrightsInterwikiDelimiter' => '#',
        ] );
        $this->assertSame( '#', BotPassword::getSeparator() );
    }

    public function testUnsaved() {
        $user = $this->testUser->getUser();
        $bp = BotPassword::newUnsaved( [
            'user' => $user,
            'appId' => 'DoesNotExist'
        ] );
        $this->assertInstanceOf( 'BotPassword', $bp );
        $this->assertFalse( $bp->isSaved() );
        $this->assertSame( 42, $bp->getUserCentralId() );
        $this->assertSame( 'DoesNotExist', $bp->getAppId() );
        $this->assertEquals( MWRestrictions::newDefault(), $bp->getRestrictions() );
        $this->assertSame( [], $bp->getGrants() );

        $bp = BotPassword::newUnsaved( [
            'username' => 'UTDummy',
            'appId' => 'DoesNotExist2',
            'restrictions' => MWRestrictions::newFromJson( '{"IPAddresses":["127.0.0.0/8"]}' ),
            'grants' => [ 'test' ],
        ] );
        $this->assertInstanceOf( 'BotPassword', $bp );
        $this->assertFalse( $bp->isSaved() );
        $this->assertSame( 43, $bp->getUserCentralId() );
        $this->assertSame( 'DoesNotExist2', $bp->getAppId() );
        $this->assertEquals( '{"IPAddresses":["127.0.0.0/8"]}', $bp->getRestrictions()->toJson() );
        $this->assertSame( [ 'test' ], $bp->getGrants() );

        $user = $this->testUser->getUser();
        $bp = BotPassword::newUnsaved( [
            'centralId' => 45,
            'appId' => 'DoesNotExist'
        ] );
        $this->assertInstanceOf( 'BotPassword', $bp );
        $this->assertFalse( $bp->isSaved() );
        $this->assertSame( 45, $bp->getUserCentralId() );
        $this->assertSame( 'DoesNotExist', $bp->getAppId() );

        $user = $this->testUser->getUser();
        $bp = BotPassword::newUnsaved( [
            'user' => $user,
            'appId' => 'BotPassword'
        ] );
        $this->assertInstanceOf( 'BotPassword', $bp );
        $this->assertFalse( $bp->isSaved() );

        $this->assertNull( BotPassword::newUnsaved( [
            'user' => $user,
            'appId' => '',
        ] ) );
        $this->assertNull( BotPassword::newUnsaved( [
            'user' => $user,
            'appId' => str_repeat( 'X', BotPassword::APPID_MAXLENGTH + 1 ),
        ] ) );
        $this->assertNull( BotPassword::newUnsaved( [
            'user' => $this->testUserName,
            'appId' => 'Ok',
        ] ) );
        $this->assertNull( BotPassword::newUnsaved( [
            'username' => 'UTInvalid',
            'appId' => 'Ok',
        ] ) );
        $this->assertNull( BotPassword::newUnsaved( [
            'appId' => 'Ok',
        ] ) );
    }

    public function testGetPassword() {
        $bp = TestingAccessWrapper::newFromObject( BotPassword::newFromCentralId( 42, 'BotPassword' ) );

        $password = $bp->getPassword();
        $this->assertInstanceOf( 'Password', $password );
        $this->assertTrue( $password->equals( 'foobaz' ) );

        $bp->centralId = 44;
        $password = $bp->getPassword();
        $this->assertInstanceOf( 'InvalidPassword', $password );

        $bp = TestingAccessWrapper::newFromObject( BotPassword::newFromCentralId( 42, 'BotPassword' ) );
        $dbw = wfGetDB( DB_MASTER );
        $dbw->update(
            'bot_passwords',
            [ 'bp_password' => 'garbage' ],
            [ 'bp_user' => 42, 'bp_app_id' => 'BotPassword' ],
            __METHOD__
        );
        $password = $bp->getPassword();
        $this->assertInstanceOf( 'InvalidPassword', $password );
    }

    public function testInvalidateAllPasswordsForUser() {
        $bp1 = TestingAccessWrapper::newFromObject( BotPassword::newFromCentralId( 42, 'BotPassword' ) );
        $bp2 = TestingAccessWrapper::newFromObject( BotPassword::newFromCentralId( 43, 'BotPassword' ) );

        $this->assertNotInstanceOf( 'InvalidPassword', $bp1->getPassword(), 'sanity check' );
        $this->assertNotInstanceOf( 'InvalidPassword', $bp2->getPassword(), 'sanity check' );
        BotPassword::invalidateAllPasswordsForUser( $this->testUserName );
        $this->assertInstanceOf( 'InvalidPassword', $bp1->getPassword() );
        $this->assertNotInstanceOf( 'InvalidPassword', $bp2->getPassword() );

        $bp = TestingAccessWrapper::newFromObject( BotPassword::newFromCentralId( 42, 'BotPassword' ) );
        $this->assertInstanceOf( 'InvalidPassword', $bp->getPassword() );
    }

    public function testRemoveAllPasswordsForUser() {
        $this->assertNotNull( BotPassword::newFromCentralId( 42, 'BotPassword' ), 'sanity check' );
        $this->assertNotNull( BotPassword::newFromCentralId( 43, 'BotPassword' ), 'sanity check' );

        BotPassword::removeAllPasswordsForUser( $this->testUserName );

        $this->assertNull( BotPassword::newFromCentralId( 42, 'BotPassword' ) );
        $this->assertNotNull( BotPassword::newFromCentralId( 43, 'BotPassword' ) );
    }

    public function testLogin() {
        // Test failure when bot passwords aren't enabled
        $this->setMwGlobals( 'wgEnableBotPasswords', false );
        $status = BotPassword::login( "{$this->testUserName}@BotPassword", 'foobaz', new FauxRequest );
        $this->assertEquals( Status::newFatal( 'botpasswords-disabled' ), $status );
        $this->setMwGlobals( 'wgEnableBotPasswords', true );

        // Test failure when BotPasswordSessionProvider isn't configured
        $manager = new SessionManager( [
            'logger' => new Psr\Log\NullLogger,
            'store' => new EmptyBagOStuff,
        ] );
        $reset = MediaWiki\Session\TestUtils::setSessionManagerSingleton( $manager );
        $this->assertNull(
            $manager->getProvider( MediaWiki\Session\BotPasswordSessionProvider::class ),
            'sanity check'
        );
        $status = BotPassword::login( "{$this->testUserName}@BotPassword", 'foobaz', new FauxRequest );
        $this->assertEquals( Status::newFatal( 'botpasswords-no-provider' ), $status );
        ScopedCallback::consume( $reset );

        // Now configure BotPasswordSessionProvider for further tests...
        $mainConfig = RequestContext::getMain()->getConfig();
        $config = new HashConfig( [
            'SessionProviders' => $mainConfig->get( 'SessionProviders' ) + [
                MediaWiki\Session\BotPasswordSessionProvider::class => [
                    'class' => MediaWiki\Session\BotPasswordSessionProvider::class,
                    'args' => [ [ 'priority' => 40 ] ],
                ]
            ],
        ] );
        $manager = new SessionManager( [
            'config' => new MultiConfig( [ $config, RequestContext::getMain()->getConfig() ] ),
            'logger' => new Psr\Log\NullLogger,
            'store' => new EmptyBagOStuff,
        ] );
        $reset = MediaWiki\Session\TestUtils::setSessionManagerSingleton( $manager );

        // No "@"-thing in the username
        $status = BotPassword::login( $this->testUserName, 'foobaz', new FauxRequest );
        $this->assertEquals( Status::newFatal( 'botpasswords-invalid-name', '@' ), $status );

        // No base user
        $status = BotPassword::login( 'UTDummy@BotPassword', 'foobaz', new FauxRequest );
        $this->assertEquals( Status::newFatal( 'nosuchuser', 'UTDummy' ), $status );

        // No bot password
        $status = BotPassword::login( "{$this->testUserName}@DoesNotExist", 'foobaz', new FauxRequest );
        $this->assertEquals(
            Status::newFatal( 'botpasswords-not-exist', $this->testUserName, 'DoesNotExist' ),
            $status
        );

        // Failed restriction
        $request = $this->getMock( 'FauxRequest', [ 'getIP' ] );
        $request->expects( $this->any() )->method( 'getIP' )
            ->will( $this->returnValue( '10.0.0.1' ) );
        $status = BotPassword::login( "{$this->testUserName}@BotPassword", 'foobaz', $request );
        $this->assertEquals( Status::newFatal( 'botpasswords-restriction-failed' ), $status );

        // Wrong password
        $status = BotPassword::login(
            "{$this->testUserName}@BotPassword", $this->testUser->getPassword(), new FauxRequest );
        $this->assertEquals( Status::newFatal( 'wrongpassword' ), $status );

        // Success!
        $request = new FauxRequest;
        $this->assertNotInstanceOf(
            MediaWiki\Session\BotPasswordSessionProvider::class,
            $request->getSession()->getProvider(),
            'sanity check'
        );
        $status = BotPassword::login( "{$this->testUserName}@BotPassword", 'foobaz', $request );
        $this->assertInstanceOf( 'Status', $status );
        $this->assertTrue( $status->isGood() );
        $session = $status->getValue();
        $this->assertInstanceOf( MediaWiki\Session\Session::class, $session );
        $this->assertInstanceOf(
            MediaWiki\Session\BotPasswordSessionProvider::class, $session->getProvider()
        );
        $this->assertSame( $session->getId(), $request->getSession()->getId() );

        ScopedCallback::consume( $reset );
    }

    public function testSave( $password ) {
        $passwordFactory = new \PasswordFactory();
        $passwordFactory->init( \RequestContext::getMain()->getConfig() );

        $bp = BotPassword::newUnsaved( [
            'centralId' => 42,
            'appId' => 'TestSave',
            'restrictions' => MWRestrictions::newFromJson( '{"IPAddresses":["127.0.0.0/8"]}' ),
            'grants' => [ 'test' ],
        ] );
        $this->assertFalse( $bp->isSaved(), 'sanity check' );
        $this->assertNull(
            BotPassword::newFromCentralId( 42, 'TestSave', BotPassword::READ_LATEST ), 'sanity check'
        );

        $passwordHash = $password ? $passwordFactory->newFromPlaintext( $password ) : null;
        $this->assertFalse( $bp->save( 'update', $passwordHash ) );
        $this->assertTrue( $bp->save( 'insert', $passwordHash ) );
        $bp2 = BotPassword::newFromCentralId( 42, 'TestSave', BotPassword::READ_LATEST );
        $this->assertInstanceOf( 'BotPassword', $bp2 );
        $this->assertEquals( $bp->getUserCentralId(), $bp2->getUserCentralId() );
        $this->assertEquals( $bp->getAppId(), $bp2->getAppId() );
        $this->assertEquals( $bp->getToken(), $bp2->getToken() );
        $this->assertEquals( $bp->getRestrictions(), $bp2->getRestrictions() );
        $this->assertEquals( $bp->getGrants(), $bp2->getGrants() );
        $pw = TestingAccessWrapper::newFromObject( $bp )->getPassword();
        if ( $password === null ) {
            $this->assertInstanceOf( 'InvalidPassword', $pw );
        } else {
            $this->assertTrue( $pw->equals( $password ) );
        }

        $token = $bp->getToken();
        $this->assertFalse( $bp->save( 'insert' ) );
        $this->assertTrue( $bp->save( 'update' ) );
        $this->assertNotEquals( $token, $bp->getToken() );
        $bp2 = BotPassword::newFromCentralId( 42, 'TestSave', BotPassword::READ_LATEST );
        $this->assertInstanceOf( 'BotPassword', $bp2 );
        $this->assertEquals( $bp->getToken(), $bp2->getToken() );
        $pw = TestingAccessWrapper::newFromObject( $bp )->getPassword();
        if ( $password === null ) {
            $this->assertInstanceOf( 'InvalidPassword', $pw );
        } else {
            $this->assertTrue( $pw->equals( $password ) );
        }

        $passwordHash = $passwordFactory->newFromPlaintext( 'XXX' );
        $token = $bp->getToken();
        $this->assertTrue( $bp->save( 'update', $passwordHash ) );
        $this->assertNotEquals( $token, $bp->getToken() );
        $pw = TestingAccessWrapper::newFromObject( $bp )->getPassword();
        $this->assertTrue( $pw->equals( 'XXX' ) );

        $this->assertTrue( $bp->delete() );
        $this->assertFalse( $bp->isSaved() );
        $this->assertNull( BotPassword::newFromCentralId( 42, 'TestSave', BotPassword::READ_LATEST ) );

        $this->assertFalse( $bp->save( 'foobar' ) );
    }

    public static function provideSave() {
        return [
            [ null ],
            [ 'foobar' ],
        ];
    }
}