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ThrottlerTest.php
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ThrottlerTest.php
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<?php
namespace MediaWiki\Tests\Auth;
use InvalidArgumentException;
use MediaWiki\Auth\Throttler;
use MediaWiki\MainConfigNames;
use MediaWikiIntegrationTestCase;
use Psr\Log\AbstractLogger;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Wikimedia\ObjectCache\BagOStuff;
use Wikimedia\ObjectCache\HashBagOStuff;
use Wikimedia\TestingAccessWrapper;
/**
* @group AuthManager
* @covers \MediaWiki\Auth\Throttler
*/
class ThrottlerTest extends MediaWikiIntegrationTestCase {
public function setUp(): void {
parent::setUp();
// Avoid issues where extensions attempt to interact with the DB when handling this hook then causing these
// tests to fail.
$this->clearHook( 'AuthenticationAttemptThrottled' );
}
public function testConstructor() {
$cache = new HashBagOStuff();
$logger = new NullLogger();
$throttler = new Throttler(
[ [ 'count' => 123, 'seconds' => 456 ] ],
[ 'type' => 'foo', 'cache' => $cache ]
);
$throttler->setLogger( $logger );
$throttlerPriv = TestingAccessWrapper::newFromObject( $throttler );
$this->assertSame( [ [ 'count' => 123, 'seconds' => 456 ] ], $throttlerPriv->conditions );
$this->assertSame( 'foo', $throttlerPriv->type );
$this->assertSame( $cache, $throttlerPriv->cache );
$this->assertSame( $logger, $throttlerPriv->logger );
$throttler = new Throttler( [ [ 'count' => 123, 'seconds' => 456 ] ] );
$throttler->setLogger( new NullLogger() );
$throttlerPriv = TestingAccessWrapper::newFromObject( $throttler );
$this->assertSame( [ [ 'count' => 123, 'seconds' => 456 ] ], $throttlerPriv->conditions );
$this->assertSame( 'custom', $throttlerPriv->type );
$this->assertInstanceOf( BagOStuff::class, $throttlerPriv->cache );
$this->assertInstanceOf( LoggerInterface::class, $throttlerPriv->logger );
$this->overrideConfigValue(
MainConfigNames::PasswordAttemptThrottle,
[ [ 'count' => 321, 'seconds' => 654 ] ]
);
$throttler = new Throttler();
$throttler->setLogger( new NullLogger() );
$throttlerPriv = TestingAccessWrapper::newFromObject( $throttler );
$this->assertSame( [ [ 'count' => 321, 'seconds' => 654 ] ], $throttlerPriv->conditions );
$this->assertSame( 'password', $throttlerPriv->type );
$this->assertInstanceOf( BagOStuff::class, $throttlerPriv->cache );
$this->assertInstanceOf( LoggerInterface::class, $throttlerPriv->logger );
try {
new Throttler( [], [ 'foo' => 1, 'bar' => 2, 'baz' => 3 ] );
$this->fail( 'Expected exception not thrown' );
} catch ( InvalidArgumentException $ex ) {
$this->assertSame( 'unrecognized parameters: foo, bar, baz', $ex->getMessage() );
}
}
/**
* @dataProvider provideNormalizeThrottleConditions
*/
public function testNormalizeThrottleConditions( $condition, $normalized ) {
$throttler = new Throttler( $condition );
$throttler->setLogger( new NullLogger() );
$throttlerPriv = TestingAccessWrapper::newFromObject( $throttler );
$this->assertSame( $normalized, $throttlerPriv->conditions );
}
public static function provideNormalizeThrottleConditions() {
return [
[
[],
[],
],
[
[ 'count' => 1, 'seconds' => 2 ],
[ [ 'count' => 1, 'seconds' => 2 ] ],
],
[
[ [ 'count' => 1, 'seconds' => 2 ], [ 'count' => 2, 'seconds' => 3 ] ],
[ [ 'count' => 1, 'seconds' => 2 ], [ 'count' => 2, 'seconds' => 3 ] ],
],
];
}
public function testNormalizeThrottleConditions2() {
$priv = TestingAccessWrapper::newFromClass( Throttler::class );
$this->assertSame( [], $priv->normalizeThrottleConditions( null ) );
$this->assertSame( [], $priv->normalizeThrottleConditions( 'bad' ) );
}
public function testIncrease() {
$cache = new HashBagOStuff();
$throttler = new Throttler( [
[ 'count' => 2, 'seconds' => 10, ],
[ 'count' => 4, 'seconds' => 15, 'allIPs' => true ],
], [ 'cache' => $cache ] );
$throttler->setLogger( new NullLogger() );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertSame( [ 'throttleIndex' => 0, 'count' => 2, 'wait' => 10 ], $result );
$result = $throttler->increase( 'OtherUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler->increase( 'SomeUser', '2.3.4.5' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler->increase( 'SomeUser', '3.4.5.6' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler->increase( 'SomeUser', '3.4.5.6' );
$this->assertSame( [ 'throttleIndex' => 1, 'count' => 4, 'wait' => 15 ], $result );
}
public function testZeroCount() {
$cache = new HashBagOStuff();
$throttler = new Throttler( [ [ 'count' => 0, 'seconds' => 10 ] ], [ 'cache' => $cache ] );
$throttler->setLogger( new NullLogger() );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle, count=0 is ignored' );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle, count=0 is ignored' );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle, count=0 is ignored' );
}
public function testNamespacing() {
$cache = new HashBagOStuff();
$throttler1 = new Throttler( [ [ 'count' => 1, 'seconds' => 10 ] ],
[ 'cache' => $cache, 'type' => 'foo' ] );
$throttler2 = new Throttler( [ [ 'count' => 1, 'seconds' => 10 ] ],
[ 'cache' => $cache, 'type' => 'foo' ] );
$throttler3 = new Throttler( [ [ 'count' => 1, 'seconds' => 10 ] ],
[ 'cache' => $cache, 'type' => 'bar' ] );
$throttler1->setLogger( new NullLogger() );
$throttler2->setLogger( new NullLogger() );
$throttler3->setLogger( new NullLogger() );
$throttled = [ 'throttleIndex' => 0, 'count' => 1, 'wait' => 10 ];
$result = $throttler1->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler1->increase( 'SomeUser', '1.2.3.4' );
$this->assertEquals( $throttled, $result, 'should throttle' );
$result = $throttler2->increase( 'SomeUser', '1.2.3.4' );
$this->assertEquals( $throttled, $result, 'should throttle, same namespace' );
$result = $throttler3->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle, different namespace' );
}
public function testExpiration() {
$cache = $this->getMockBuilder( HashBagOStuff::class )
->onlyMethods( [ 'add', 'incrWithInit' ] )->getMock();
$throttler = new Throttler( [ [ 'count' => 3, 'seconds' => 10 ] ], [ 'cache' => $cache ] );
$throttler->setLogger( new NullLogger() );
$cache->expects( $this->once() )
->method( 'incrWithInit' )
->with( $this->anything(), 10, 1 );
$throttler->increase( 'SomeUser' );
}
public function testException() {
$throttler = new Throttler( [ [ 'count' => 3, 'seconds' => 10 ] ] );
$throttler->setLogger( new NullLogger() );
$this->expectException( InvalidArgumentException::class );
$throttler->increase();
}
public function testLogAndHook() {
// Add a implementation of the AuthenticationAttemptThrottled hook that expects no calls.
$this->setTemporaryHook(
'AuthenticationAttemptThrottled',
function () {
$this->fail( 'Did not expect the AuthenticationAttemptThrottled hook to be run.' );
}
);
$cache = new HashBagOStuff();
$throttler = new Throttler( [ [ 'count' => 1, 'seconds' => 10 ] ], [ 'cache' => $cache ] );
// Make the logger expect no calls
$throttler->setLogger( $this->createNoOpMock( AbstractLogger::class ) );
// Call the increase method and expect that the throttling did not occur.
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle' );
// Replace the implementation of the AuthenticationAttemptThrottled hook which one that tests that it is called
// with the correct data.
$hookCalled = false;
$this->setTemporaryHook(
'AuthenticationAttemptThrottled',
function ( $type, $username, $ip ) use ( &$hookCalled ) {
$hookCalled = true;
$this->assertSame( 'custom', $type );
$this->assertSame( 'SomeUser', $username );
$this->assertSame( '1.2.3.4', $ip );
}
);
// Create a mock logger that expects a call.
$logger = $this->getMockBuilder( AbstractLogger::class )
->onlyMethods( [ 'log' ] )
->getMockForAbstractClass();
$logger->expects( $this->once() )->method( 'log' )->with( $this->anything(), $this->anything(), [
'throttle' => 'custom',
'index' => 0,
'ipKey' => '1.2.3.4',
'username' => 'SomeUser',
'count' => 1,
'expiry' => 10,
'method' => 'foo',
] );
$throttler->setLogger( $logger );
// Call the increase method and expect that the throttling occurred.
$result = $throttler->increase( 'SomeUser', '1.2.3.4', 'foo' );
$this->assertSame( [ 'throttleIndex' => 0, 'count' => 1, 'wait' => 10 ], $result );
$this->assertTrue( $hookCalled );
}
public function testClear() {
$cache = new HashBagOStuff();
$throttler = new Throttler( [ [ 'count' => 1, 'seconds' => 10 ] ], [ 'cache' => $cache ] );
$throttler->setLogger( new NullLogger() );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertSame( [ 'throttleIndex' => 0, 'count' => 1, 'wait' => 10 ], $result );
$result = $throttler->increase( 'OtherUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler->increase( 'OtherUser', '1.2.3.4' );
$this->assertSame( [ 'throttleIndex' => 0, 'count' => 1, 'wait' => 10 ], $result );
$throttler->clear( 'SomeUser', '1.2.3.4' );
$result = $throttler->increase( 'SomeUser', '1.2.3.4' );
$this->assertFalse( $result, 'should not throttle' );
$result = $throttler->increase( 'OtherUser', '1.2.3.4' );
$this->assertSame( [ 'throttleIndex' => 0, 'count' => 1, 'wait' => 10 ], $result );
}
}

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