psr17 http-factory, port of slimphp/Slim-Http#27 - resolves slimphp#14

.editorconfig

@@ -10,4 +10,7 @@ indent_size = 4
 trim_trailing_whitespace = true
 
 [*.md]
-trim_trailing_whitespace = false
+trim_trailing_whitespace = false
+
+[*.json]
+indent_size = 2

composer.json

@@ -24,12 +24,14 @@
   ],
   "require": {
     "php": ">=7.0.0",
-    "psr/http-message": "^1.0"
+    "psr/http-message": "^1.0",
+    "psr/http-factory": "^1.0"
   },
   "require-dev": {
     "squizlabs/php_codesniffer": "^2.5",
     "phpunit/phpunit": "^6.0|^7.0",
-    "php-http/psr7-integration-tests": "dev-master"
+    "php-http/psr7-integration-tests": "dev-master",
+    "http-interop/http-factory-tests": "^0.5.0"
   },
   "provide": {
     "psr/http-message-implementation": "1.0"

phpunit.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/5.1/phpunit.xsd"
+         backupGlobals="true"
          colors="true"
          bootstrap="tests/bootstrap.php">
     <testsuites>

src/Factory/RequestFactory.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * Slim Framework (https://slimframework.com)
+ *
+ * @link      https://github.com/slimphp/Slim-Psr7
+ * @copyright Copyright (c) 2011-2018 Josh Lockhart
+ * @license   https://github.com/slimphp/Slim-Psr7/blob/master/LICENSE (MIT License)
+ */
+
+declare(strict_types=1);
+
+namespace Slim\Psr7\Factory;
+
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\RequestFactoryInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\UriFactoryInterface;
+use Psr\Http\Message\UriInterface;
+use Slim\Psr7\Headers;
+use Slim\Psr7\Request;
+
+class RequestFactory implements RequestFactoryInterface
+{
+    /** @var StreamFactoryInterface */
+    protected $streamFactory;
+    /** @var UriFactoryInterface */
+    protected $uriFactory;
+
+    public function __construct(StreamFactoryInterface $streamFactory = null, UriFactoryInterface $uriFactory = null)
+    {
+        if (!isset($streamFactory)) {
+            $streamFactory = new StreamFactory();
+        }
+        if (!isset($uriFactory)) {
+            $uriFactory = new UriFactory();
+        }
+
+        $this->streamFactory = $streamFactory;
+        $this->uriFactory = $uriFactory;
+    }
+
+    /**
+     * Create a new request.
+     *
+     * @param string $method The HTTP method associated with the request.
+     * @param UriInterface|string $uri The URI associated with the request. If
+     *     the value is a string, the factory MUST create a UriInterface
+     *     instance based on it.
+     *
+     * @return RequestInterface
+     */
+    public function createRequest(string $method, $uri): RequestInterface
+    {
+        if (is_string($uri)) {
+            $uri = $this->uriFactory->createUri($uri);
+        } elseif (!$uri instanceof UriInterface) {
+            throw new \InvalidArgumentException('URI must either be string or instance of ' . UriInterface::class);
+        }
+
+        $body = $this->streamFactory->createStream();
+
+        return new Request($method, $uri, new Headers(), [], [], $body);
+    }
+}

src/Factory/ResponseFactory.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * Slim Framework (https://slimframework.com)
+ *
+ * @link      https://github.com/slimphp/Slim-Psr7
+ * @copyright Copyright (c) 2011-2018 Josh Lockhart
+ * @license   https://github.com/slimphp/Slim-Psr7/blob/master/LICENSE (MIT License)
+ */
+
+declare(strict_types=1);
+
+namespace Slim\Psr7\Factory;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Slim\Psr7\Response;
+
+class ResponseFactory implements ResponseFactoryInterface
+{
+    /**
+     * Create a new response.
+     *
+     * @param int $code HTTP status code; defaults to 200
+     * @param string $reasonPhrase Reason phrase to associate with status code
+     *     in generated response; if none is provided implementations MAY use
+     *     the defaults as suggested in the HTTP specification.
+     *
+     * @return ResponseInterface
+     */
+    public function createResponse(int $code = 200, string $reasonPhrase = ''): ResponseInterface
+    {
+        $res = new Response($code);
+
+        if ($reasonPhrase !== '') {
+            $res = $res->withStatus($code, $reasonPhrase);
+        }
+
+        return $res;
+    }
+}

src/Factory/ServerRequestFactory.php

@@ -0,0 +1,78 @@
+<?php
+/**
+ * Slim Framework (https://slimframework.com)
+ *
+ * @link      https://github.com/slimphp/Slim-Psr7
+ * @copyright Copyright (c) 2011-2018 Josh Lockhart
+ * @license   https://github.com/slimphp/Slim-Psr7/blob/master/LICENSE (MIT License)
+ */
+
+declare(strict_types=1);
+
+namespace Slim\Psr7\Factory;
+
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\ServerRequestFactoryInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\UriFactoryInterface;
+use Psr\Http\Message\UriInterface;
+use Slim\Psr7\Cookies;
+use Slim\Psr7\Headers;
+use Slim\Psr7\Request;
+
+class ServerRequestFactory implements ServerRequestFactoryInterface
+{
+    /** @var StreamFactoryInterface */
+    protected $streamFactory;
+    /** @var UriFactoryInterface */
+    protected $uriFactory;
+
+    public function __construct(StreamFactoryInterface $streamFactory = null, UriFactoryInterface $uriFactory = null)
+    {
+        if (!isset($streamFactory)) {
+            $streamFactory = new StreamFactory();
+        }
+        if (!isset($uriFactory)) {
+            $uriFactory = new UriFactory();
+        }
+
+        $this->streamFactory = $streamFactory;
+        $this->uriFactory = $uriFactory;
+    }
+
+    /**
+     * Create a new server request.
+     *
+     * Note that server-params are taken precisely as given - no parsing/processing
+     * of the given values is performed, and, in particular, no attempt is made to
+     * determine the HTTP method or URI, which must be provided explicitly.
+     *
+     * @param string $method The HTTP method associated with the request.
+     * @param UriInterface|string $uri The URI associated with the request. If
+     *     the value is a string, the factory MUST create a UriInterface
+     *     instance based on it.
+     * @param array $serverParams Array of SAPI parameters with which to seed
+     *     the generated request instance.
+     *
+     * @return ServerRequestInterface
+     */
+    public function createServerRequest(string $method, $uri, array $serverParams = []): ServerRequestInterface
+    {
+        if (is_string($uri)) {
+            $uri = $this->uriFactory->createUri($uri);
+        } elseif (!$uri instanceof UriInterface) {
+            throw new \InvalidArgumentException('URI must either be string or instance of ' . UriInterface::class);
+        }
+
+        $body = $this->streamFactory->createStream();
+        $headers = new Headers();
+        $cookies = [];
+
+        if (!empty($serverParams)) {
+            $headers = Headers::createFromGlobals($serverParams);
+            $cookies = Cookies::parseHeader($headers->get('Cookie', []));
+        }
+
+        return new Request($method, $uri, $headers, $cookies, $serverParams, $body);
+    }
+}

src/Factory/StreamFactory.php

@@ -0,0 +1,69 @@
+<?php
+/**
+ * Slim Framework (https://slimframework.com)
+ *
+ * @link      https://github.com/slimphp/Slim-Psr7
+ * @copyright Copyright (c) 2011-2018 Josh Lockhart
+ * @license   https://github.com/slimphp/Slim-Psr7/blob/master/LICENSE (MIT License)
+ */
+
+declare(strict_types=1);
+
+namespace Slim\Psr7\Factory;
+
+use Psr\Http\Message\StreamInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Slim\Psr7\Stream;
+
+class StreamFactory implements StreamFactoryInterface
+{
+    /**
+     * Create a new stream from a string.
+     *
+     * The stream SHOULD be created with a temporary resource.
+     *
+     * @param string $content String content with which to populate the stream.
+     *
+     * @return StreamInterface
+     */
+    public function createStream(string $content = ''): StreamInterface
+    {
+        $resource = fopen('php://temp', 'r+');
+        fwrite($resource, $content);
+        rewind($resource);
+
+        return $this->createStreamFromResource($resource);
+    }
+
+    /**
+     * Create a stream from an existing file.
+     *
+     * The file MUST be opened using the given mode, which may be any mode
+     * supported by the `fopen` function.
+     *
+     * The `$filename` MAY be any string supported by `fopen()`.
+     *
+     * @param string $filename Filename or stream URI to use as basis of stream.
+     * @param string $mode Mode with which to open the underlying filename/stream.
+     *
+     * @return StreamInterface
+     */
+    public function createStreamFromFile(string $filename, string $mode = 'r'): StreamInterface
+    {
+        return $this->createStreamFromResource(fopen($filename, $mode));
+    }
+
+    /**
+     * Create a new stream from an existing resource.
+     *
+     * The stream MUST be readable and may be writable.
+     *
+     * @param resource $resource PHP resource to use as basis of stream.
+     *
+     * @return StreamInterface
+     */
+    public function createStreamFromResource($resource): StreamInterface
+    {
+        return new Stream($resource);
+    }
+}

src/Factory/UploadedFileFactory.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * Slim Framework (https://slimframework.com)
+ *
+ * @link      https://github.com/slimphp/Slim-Psr7
+ * @copyright Copyright (c) 2011-2018 Josh Lockhart
+ * @license   https://github.com/slimphp/Slim-Psr7/blob/master/LICENSE (MIT License)
+ */
+
+declare(strict_types=1);
+
+namespace Slim\Psr7\Factory;
+
+use Psr\Http\Message\StreamInterface;
+use Psr\Http\Message\UploadedFileInterface;
+use Psr\Http\Message\UploadedFileFactoryInterface;
+use Slim\Psr7\UploadedFile;
+
+class UploadedFileFactory implements UploadedFileFactoryInterface
+{
+    /**
+     * Create a new uploaded file.
+     *
+     * If a size is not provided it will be determined by checking the size of
+     * the file.
+     *
+     * @see http://php.net/manual/features.file-upload.post-method.php
+     * @see http://php.net/manual/features.file-upload.errors.php
+     *
+     * @param StreamInterface $stream Underlying stream representing the
+     *     uploaded file content.
+     * @param int $size in bytes
+     * @param int $error PHP file upload error
+     * @param string $clientFilename Filename as provided by the client, if any.
+     * @param string $clientMediaType Media type as provided by the client, if any.
+     *
+     * @return UploadedFileInterface
+     *
+     * @throws \InvalidArgumentException If the file resource is not readable.
+     */
+    public function createUploadedFile(
+        StreamInterface $stream,
+        int $size = null,
+        int $error = \UPLOAD_ERR_OK,
+        string $clientFilename = null,
+        string $clientMediaType = null
+    ): UploadedFileInterface {
+        $file = $stream->getMetadata('uri');
+
+        if (!is_readable($file)) {
+            throw new \InvalidArgumentException('File is not readable');
+        }
+        if (!isset($size)) {
+            $size = $stream->getSize();
+        }
+
+        return new UploadedFile($file, $clientFilename, $clientMediaType, $size, $error);
+    }
+}