| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Yiisoft\Yii\Web\Tests\RateLimiter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Nyholm\Psr7\Factory\Psr17Factory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Nyholm\Psr7\Response; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Nyholm\Psr7\ServerRequest; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use PHPUnit\Framework\TestCase; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Psr\Http\Message\ResponseInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Psr\Http\Message\ServerRequestInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Psr\Http\Server\RequestHandlerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use Yiisoft\Cache\ArrayCache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use Yiisoft\Http\Method; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use Yiisoft\Yii\Web\RateLimiter\Counter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use Yiisoft\Yii\Web\RateLimiter\RateLimiterMiddleware; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | final class RateLimiterMiddlewareTest extends TestCase | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * @test | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     public function singleRequestWorksAsExpected(): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |         $middleware = $this->createRateLimiter($this->getCounter(1000)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |         $response = $middleware->process($this->createRequest(), $this->createRequestHandler()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         $this->assertEquals(200, $response->getStatusCode()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |         $headers = $response->getHeaders(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |         $this->assertEquals(['1000'], $headers['X-Rate-Limit-Limit']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         $this->assertEquals(['999'], $headers['X-Rate-Limit-Remaining']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         $this->assertGreaterThanOrEqual(time(), (int)$headers['X-Rate-Limit-Reset'][0]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * @test | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     public function limitingIsStartedWhenExpected(): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         $middleware = $this->createRateLimiter($this->getCounter(10)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         for ($i = 0; $i < 8; $i++) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |             $middleware->process($this->createRequest(), $this->createRequestHandler()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         // last allowed request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         $response = $middleware->process($this->createRequest(), $this->createRequestHandler()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         $this->assertEquals(200, $response->getStatusCode()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |         $headers = $response->getHeaders(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         $this->assertEquals(['10'], $headers['X-Rate-Limit-Limit']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         $this->assertEquals(['1'], $headers['X-Rate-Limit-Remaining']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         $this->assertGreaterThanOrEqual(time(), (int)$headers['X-Rate-Limit-Reset'][0]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         // first denied request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         $response = $middleware->process($this->createRequest(), $this->createRequestHandler()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         $this->assertEquals(429, $response->getStatusCode()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         $headers = $response->getHeaders(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         $this->assertEquals(['10'], $headers['X-Rate-Limit-Limit']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         $this->assertEquals(['0'], $headers['X-Rate-Limit-Remaining']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         $this->assertGreaterThanOrEqual(time(), (int)$headers['X-Rate-Limit-Reset'][0]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @test | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     public function counterIdCouldBeSet(): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         $cache = new ArrayCache(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         $counter = new Counter(100, 3600, $cache); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         $middleware = $this->createRateLimiter($counter)->withCounterId('custom-id'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         $middleware->process($this->createRequest(), $this->createRequestHandler()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         $this->assertTrue($cache->has($counter->getCacheKey())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * @test | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     public function counterIdCouldBeSetWithCallback(): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         $cache = new ArrayCache(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         $counter = new Counter(100, 3600, $cache); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         $middleware = $this->createRateLimiter($counter)->withCounterIdCallback( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |             static function (ServerRequestInterface $request) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |                 return $request->getMethod(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         $middleware->process($this->createRequest(), $this->createRequestHandler()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         $this->assertTrue($cache->has($counter->getCacheKey())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     private function getCounter(int $limit): Counter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         return new Counter($limit, 3600, new ArrayCache()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     private function createRequestHandler(): RequestHandlerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |         return new class implements RequestHandlerInterface { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |             public function handle(ServerRequestInterface $request): ResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |             { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |                 return new Response(200); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |     private function createRequest(string $method = Method::GET, string $uri = '/'): ServerRequestInterface | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  |         return new ServerRequest($method, $uri); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     private function createRateLimiter(Counter $counter): RateLimiterMiddleware | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         return new RateLimiterMiddleware($counter, new Psr17Factory()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 117 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 118 |  |  |  |