├── .codeclimate.yml ├── .github ├── CODEOWNERS └── workflows │ └── ci.yml ├── .gitignore ├── CHANGELOG.md ├── LICENSE ├── README.md ├── composer.json ├── phpunit.xml ├── src └── Stack.php └── tests ├── MiddlewareStub.php └── StackTest.php /.codeclimate.yml: -------------------------------------------------------------------------------- 1 | version: "2" 2 | plugins: 3 | duplication: 4 | enabled: true 5 | config: 6 | languages: 7 | - php 8 | fixme: 9 | enabled: true 10 | phpcodesniffer: 11 | enabled: true 12 | config: 13 | standard: "PSR2" 14 | sonar-php: 15 | enabled: true 16 | exclude_patterns: 17 | - tests/ 18 | -------------------------------------------------------------------------------- /.github/CODEOWNERS: -------------------------------------------------------------------------------- 1 | - @dirx -------------------------------------------------------------------------------- /.github/workflows/ci.yml: -------------------------------------------------------------------------------- 1 | on: 2 | - pull_request 3 | - push 4 | 5 | name: CI 6 | 7 | jobs: 8 | tests: 9 | name: Tests 10 | 11 | runs-on: ${{ matrix.os }} 12 | 13 | strategy: 14 | fail-fast: false 15 | matrix: 16 | os: 17 | - ubuntu-latest 18 | php: 19 | - "8.1" 20 | - "8.2" 21 | - "8.3" 22 | - "8.4" 23 | 24 | steps: 25 | - name: Checkout 26 | uses: actions/checkout@v2 27 | 28 | - name: Install PHP ${{ matrix.php }} 29 | uses: shivammathur/setup-php@v2 30 | with: 31 | php-version: ${{ matrix.php }} 32 | coverage: pcov 33 | 34 | - name: Get composer cache directory 35 | id: composer-cache 36 | run: | 37 | echo "::set-output name=dir::$(composer config cache-files-dir)" 38 | 39 | - name: Cache composer cache directory 40 | uses: actions/cache@v4 41 | with: 42 | path: ${{ steps.composer-cache.outputs.dir }} 43 | key: ${{ runner.os }}-${{ matrix.php }}-composer-${{ hashFiles('**/composer.json') }} 44 | restore-keys: ${{ runner.os }}-${{ matrix.php }}-composer- 45 | 46 | - name: Install dependencies with composer 47 | run: | 48 | composer self-update 49 | composer update --no-ansi --no-interaction --no-progress 50 | 51 | - name: Run tests with phpunit 52 | run: vendor/bin/phpunit --coverage-text --coverage-clover=clover.xml 53 | 54 | - name: Publish code coverage to codeclimate 55 | if: matrix.php == '8.3' && github.event_name == 'push' 56 | uses: paambaati/codeclimate-action@v5 57 | env: 58 | CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }} 59 | 60 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | vendor 2 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | # Changelog 2 | 3 | All notable changes to this project are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles. 4 | This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). 5 | 6 | ## [Unreleased] 7 | 8 | ## [3.0.1] - 2025-01-27 9 | 10 | ### Fixed 11 | 12 | - Type safe Stack.php 13 | 14 | ## [3.0.0] - 2024-10-21 15 | 16 | ### Added 17 | 18 | - Add support for PHP 8.4 19 | 20 | ### Changed 21 | 22 | - Drop support for PHP < 8.1 23 | - Rename Stack constructor parameter `$response` to `$defaultResponse` 24 | 25 | ## [2.0.1] - 2021-03-14 26 | 27 | ### Fixed 28 | 29 | - Links in changelog 30 | 31 | ## [2.0.0] - 2021-03-14 32 | 33 | ### Added 34 | 35 | - Add support for PHP >= 8.0 36 | 37 | ### Changed 38 | 39 | - Drop support for PHP < 7.3 40 | 41 | ## [1.0.0] - 2018-06-22 42 | 43 | ### Changed 44 | 45 | - Use official PSR-15 interfaces 46 | 47 | ## [0.2.0] - 2017-01-18 48 | 49 | ### Changed 50 | 51 | - Relies on https://github.com/http-interop/http-middleware 52 | - Stack delegates itself 53 | 54 | ## [0.1.0] - 2017-01-10 55 | 56 | First draft of middleware stack implementing PSR-15 Draft for PHP7+ runtime environment. 57 | 58 | [Unreleased]: https://github.com/idealo/php-middleware-stack/compare/v3.0.1...HEAD 59 | [3.0.1]: https://github.com/idealo/php-middleware-stack/compare/v3.0.0...v3.0.1 60 | [3.0.0]: https://github.com/idealo/php-middleware-stack/compare/v2.0.1...v3.0.0 61 | [2.0.1]: https://github.com/idealo/php-middleware-stack/compare/v2.0.0...v2.0.1 62 | [2.0.0]: https://github.com/idealo/php-middleware-stack/compare/v1.0.0...v2.0.0 63 | [1.0.0]: https://github.com/idealo/php-middleware-stack/compare/v0.2.0...v1.0.0 64 | [0.2.0]: https://github.com/idealo/php-middleware-stack/compare/v0.1.0...v0.2.0 65 | [0.1.0]: https://github.com/idealo/php-middleware-stack/releases/tag/v0.1.0 66 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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All it has to know in order to be 39 | instantiable is: 40 | 41 | * an instance of ```Psr\Http\Message\ResponseInterface``` as the default response 42 | * and middlewares, that implement the ```Psr\Http\Server\MiddlewareInterface``` 43 | 44 | To perform a sequential processing of injected middlewares you have to call stack's ```handle``` method with: 45 | 46 | * an instance of ```Psr\Http\Message\ServerRequestInterface```. 47 | 48 | By default stack's ```handle``` method returns the injected response object. If any middleware decides to answer on it's 49 | own, than the response object of this certain middleware is returned. 50 | 51 | Stack implements ```Psr\Http\Server\RequestHandlerInterface```. 52 | 53 | ## For example 54 | 55 | ```php 56 | // you decide what middleware you want to put in a stack. 57 | use Psr\Http\Message\ResponseInterface; 58 | use Psr\Http\Message\ServerRequestInterface; 59 | use Psr\Http\Server\RequestHandlerInterface; 60 | use Psr\Http\Server\MiddlewareInterface; 61 | 62 | class TrickyMiddleware implements MiddlewareInterface 63 | { 64 | public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface 65 | { 66 | $requestBody = $request->getBody(); 67 | try { 68 | // implement your middleware logic here 69 | } catch (\Exception $exception){ 70 | return new CustomExceptionResponse($exception); 71 | } 72 | 73 | return $handler->handle($request); 74 | } 75 | } 76 | 77 | class VeryTrickyMiddleware implements MiddlewareInterface 78 | { 79 | ... 80 | } 81 | 82 | class LessTrickyMiddleware implements MiddlewareInterface 83 | { 84 | ... 85 | } 86 | 87 | // you define your PSR7 conform response instance 88 | $defaultResponse = new DefaultResponse(); 89 | 90 | // you put your request into a PSR7 conform way 91 | $request = new ServerRequest(); 92 | 93 | // and here we are 94 | $stack = new \Idealo\Middleware\Stack( 95 | $defaultResponse, 96 | new TrickyMiddleware(), 97 | new VeryTrickyMiddleware(), 98 | new LessTrickyMiddleware() 99 | ); 100 | 101 | $stackResponse = $stack->handle($request); 102 | 103 | // if everything goes well then 104 | var_dump($stackResponse === $defaultResponse); // gives: true 105 | ``` 106 | -------------------------------------------------------------------------------- /composer.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "idealo/php-middleware-stack", 3 | "description": "Implementation of HTTP Middleware PSR-15 specification", 4 | "keywords": [ 5 | "stack", 6 | "psr", 7 | "psr-7", 8 | "psr-15", 9 | "http", 10 | "middleware", 11 | "request", 12 | "response" 13 | ], 14 | "license": "Apache-2.0", 15 | "authors": [ 16 | { 17 | "name": "Vsevolod Dolgopolov", 18 | "email": "vsevolod.dolgopolov@idealo.de" 19 | }, 20 | { 21 | "name": "Dirk Adler", 22 | "email": "dirk.adler@idealo.de" 23 | } 24 | ], 25 | "require": { 26 | "php": "^8.1", 27 | "psr/http-message": "^2.0", 28 | "psr/http-server-middleware": "^1.0", 29 | "psr/http-server-handler": "^1.0" 30 | }, 31 | "require-dev": { 32 | "phpunit/phpunit": "^10.5" 33 | }, 34 | "autoload": { 35 | "psr-4": { 36 | "Idealo\\Middleware\\": "src/" 37 | } 38 | }, 39 | "autoload-dev": { 40 | "psr-4": { 41 | "Idealo\\Middleware\\Tests\\": "tests/" 42 | } 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /phpunit.xml: -------------------------------------------------------------------------------- 1 | 2 | 14 | 15 | 16 | tests 17 | 18 | 19 | 20 | 21 | 22 | src 23 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /src/Stack.php: -------------------------------------------------------------------------------- 1 | middlewares = $middlewares; 22 | } 23 | 24 | private function withoutMiddleware(MiddlewareInterface $middleware): RequestHandlerInterface 25 | { 26 | return new self( 27 | $this->defaultResponse, 28 | ...array_filter( 29 | $this->middlewares, 30 | function ($m) use ($middleware) { 31 | return $middleware !== $m; 32 | } 33 | ) 34 | ); 35 | } 36 | 37 | public function handle(ServerRequestInterface $request): ResponseInterface 38 | { 39 | $middleware = $this->middlewares[0] ?? false; 40 | 41 | return $middleware 42 | ? $middleware->process( 43 | $request, 44 | $this->withoutMiddleware($middleware) 45 | ) 46 | : $this->defaultResponse; 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /tests/MiddlewareStub.php: -------------------------------------------------------------------------------- 1 | getBody(); 17 | 18 | return $handler->handle($request); 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /tests/StackTest.php: -------------------------------------------------------------------------------- 1 | getResponseMock(); 23 | 24 | $this->assertInstanceOf(RequestHandlerInterface::class, new Stack($response)); 25 | } 26 | 27 | public function testServerMiddlewareStack() 28 | { 29 | $middleware1 = new MiddlewareStub(); 30 | $middleware2 = new MiddlewareStub(); 31 | $middleware3 = new MiddlewareStub(); 32 | 33 | $serverRequest = $this->getServerRequestMock(); 34 | $serverRequest 35 | ->expects($this->exactly(3)) 36 | ->method('getBody'); 37 | 38 | $response = $this->getResponseMock(); 39 | 40 | $stack = new Stack($response, $middleware1, $middleware2, $middleware3); 41 | $stackResponse = $stack->handle($serverRequest); 42 | 43 | $this->assertInstanceOf(ResponseInterface::class, $stackResponse); 44 | $this->assertTrue($stackResponse === $response); 45 | } 46 | 47 | public function testServerEmptyMiddleware() 48 | { 49 | $serverRequest = $this->getServerRequestMock(); 50 | $serverRequest 51 | ->expects($this->exactly(0)) 52 | ->method('getBody'); 53 | 54 | $response = $this->getResponseMock(); 55 | 56 | $stack = new Stack($response); 57 | $stackResponse = $stack->handle($serverRequest); 58 | 59 | $this->assertInstanceOf(ResponseInterface::class, $stackResponse); 60 | $this->assertTrue($stackResponse === $response); 61 | } 62 | 63 | public function testServerMiddlewareHandlingOrder() 64 | { 65 | $callCounter = 0; 66 | 67 | $middleware1 = $this->getMiddlewareMock(); 68 | $middleware1->expects($this->once()) 69 | ->method('process') 70 | ->willReturnCallback(function (ServerRequestInterface $request, RequestHandlerInterface $handler) use ( 71 | & 72 | $callCounter 73 | ) { 74 | $this->assertEquals(0, $callCounter++); 75 | return $handler->handle($request); 76 | }); 77 | 78 | $interruptingResponse = $this->getResponseMock(); 79 | $middleware2 = $this->getMiddlewareMock(); 80 | $middleware2->expects($this->once()) 81 | ->method('process') 82 | ->willReturnCallback(function (ServerRequestInterface $request, RequestHandlerInterface $handler) use ( 83 | $interruptingResponse, 84 | &$callCounter 85 | ) { 86 | $this->assertEquals(1, $callCounter++); 87 | return $interruptingResponse; 88 | }); 89 | 90 | $middleware3 = $this->getMiddlewareMock(); 91 | $middleware3->expects($this->never()) 92 | ->method('process'); 93 | 94 | $stack = new Stack( 95 | $this->getResponseMock(), 96 | $middleware1, 97 | $middleware2, 98 | $middleware3 99 | ); 100 | 101 | $stack->handle($this->getServerRequestMock()); 102 | 103 | $this->assertEquals(2, $callCounter); 104 | } 105 | 106 | /** 107 | * @return MockObject|ResponseInterface 108 | */ 109 | private function getResponseMock(): MockObject|ResponseInterface 110 | { 111 | return $this->getMockBuilder(ResponseInterface::class) 112 | ->getMock(); 113 | } 114 | 115 | /** 116 | * @return MockObject|MiddlewareInterface 117 | */ 118 | private function getMiddlewareMock(): MiddlewareInterface|MockObject 119 | { 120 | return $this->getMockBuilder(MiddlewareInterface::class) 121 | ->onlyMethods([ 122 | 'process', 123 | ]) 124 | ->getMock(); 125 | } 126 | 127 | /** 128 | * @return MockObject|ServerRequestInterface 129 | */ 130 | private function getServerRequestMock(): MockObject|ServerRequestInterface 131 | { 132 | return $this->getMockBuilder(ServerRequestInterface::class) 133 | ->onlyMethods([ 134 | 'getServerParams', 135 | 'getCookieParams', 136 | 'withCookieParams', 137 | 'getQueryParams', 138 | 'withQueryParams', 139 | 'getUploadedFiles', 140 | 'withUploadedFiles', 141 | 'getParsedBody', 142 | 'withParsedBody', 143 | 'getAttributes', 144 | 'getAttribute', 145 | 'withAttribute', 146 | 'withoutAttribute', 147 | 'getRequestTarget', 148 | 'withRequestTarget', 149 | 'getMethod', 150 | 'withMethod', 151 | 'getUri', 152 | 'withUri', 153 | 'getProtocolVersion', 154 | 'withProtocolVersion', 155 | 'getHeaders', 156 | 'hasHeader', 157 | 'getHeader', 158 | 'getHeaderLine', 159 | 'withHeader', 160 | 'withAddedHeader', 161 | 'withoutHeader', 162 | 'getBody', 163 | 'withBody', 164 | ])->getMock(); 165 | } 166 | } 167 | --------------------------------------------------------------------------------