ServerRequestFactory::createServerRequestFromGlobals() - Code Metrics - Inspection of "Move instantiation code to factories. (#5)" - Nyholm/psr7 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( d89245...98d38e )

by Tobias

created 2017-04-11 06:23 UTC

createServerRequestFromGlobals() A

↳ Parent: ServerRequestFactory

Complexity

Conditions	3
Paths	4

Size

Total Lines	9
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

Metric	Value
dl	0
loc	9
ccs	0
cts	6
cp	0
rs	9.6666
c	0
b	0
f	0
cc	3
eloc	6
nc	4
nop	0
crap	12

<?php

declare(strict_types=1);

namespace Nyholm\Psr7\Factory;

use InvalidArgumentException;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\UploadedFileInterface;
use Interop\Http\Factory\ServerRequestFactoryInterface;
use Nyholm\Psr7\ServerRequest;
use Nyholm\Psr7\Factory\UriFactory;
use Nyholm\Psr7\UploadedFile;

/**
 * @author Tobias Nyholm <[email protected]>
 * @author Martijn van der Ven <[email protected]>
 */
class ServerRequestFactory implements ServerRequestFactoryInterface
{
    public function createServerRequest($method, $uri): ServerRequestInterface
    {
        return new ServerRequest($method, $uri);
    }

    public function createServerRequestFromArray(array $server): ServerRequestInterface
    {
        return new ServerRequest(
            $this->getMethodFromEnvironment($server),
            $this->getUriFromEnvironmentWithHTTP($server)
        );
    }

    /**
     * Create a new server request from a set of arrays.
     *
     * @param array $server  Typically $_SERVER or similar structure.
     * @param array $headers Typically the output of getallheaders() or similar structure.
     * @param array $cookie  Typically $_COOKIE or similar structure.
     * @param array $get     Typically $_GET or similar structure.
     * @param array $post    Typically $_POST or similar structure.
     * @param array $files   Typically $_FILES or similar structure.
     *
     * @throws InvalidArgumentException If no valid method or URI can be determined.
     *
     * @return ServerRequestInterface
     */
    public function createServerRequestFromArrays(
        array $server,
        array $headers,
        array $cookie,
        array $get,
        array $post,
        array $files
    ): ServerRequestInterface {
        $method = $this->getMethodFromEnvironment($server);
        $uri = $this->getUriFromEnvironmentWithHTTP($server);

        $protocol = isset($server['SERVER_PROTOCOL']) ? str_replace('HTTP/', '', $server['SERVER_PROTOCOL']) : '1.1';

        $serverRequest = new ServerRequest($method, $uri, $headers, null, $protocol, $server);

        return $serverRequest
            ->withCookieParams($cookie)
            ->withQueryParams($get)
            ->withParsedBody($post)
            ->withUploadedFiles(self::normalizeFiles($files));
    }

    /**
     * Create a new server request from the current environment variables.
     * Defaults to a GET request to minimise the risk of an InvalidArgumentException.
     * Includes the current request headers as supplied by the server through `getallheaders()`.
     *
     * @throws InvalidArgumentException If no valid method or URI can be determined.
     *
     * @return ServerRequestInterface
     */
    public function createServerRequestFromGlobals(): ServerRequestInterface
    {
        $server = $_SERVER;
        if (false === isset($server['REQUEST_METHOD'])) {
            $server['REQUEST_METHOD'] = 'GET';
        }
        $headers = function_exists('getallheaders') ? getallheaders() : [];
        return $this->createServerRequestFromArrays($_SERVER, $headers, $_COOKIE, $_GET, $_POST, $_FILES);
    }

    private function getMethodFromEnvironment(array $environment): string
    {
        if (false === isset($environment['REQUEST_METHOD'])) {
            throw new InvalidArgumentException('Cannot determine HTTP method');
        }
        return $environment['REQUEST_METHOD'];
    }

    private function getUriFromEnvironmentWithHTTP(array $environment): \Psr\Http\Message\UriInterface
    {
        $uri = (new UriFactory())->createUriFromArray($environment);
        if ($uri->getScheme() === '') {
            $uri = $uri->withScheme('http');
        }
        return $uri;
    }
    
    /**
     * Return an UploadedFile instance array.
     *
     * @param array $files A array which respect $_FILES structure
     *
     * @throws InvalidArgumentException for unrecognized values
     *
     * @return array
     */
    private static function normalizeFiles(array $files): array
    {
        $normalized = [];

        foreach ($files as $key => $value) {
            if ($value instanceof UploadedFileInterface) {
                $normalized[$key] = $value;
            } elseif (is_array($value) && isset($value['tmp_name'])) {
                $normalized[$key] = self::createUploadedFileFromSpec($value);
            } elseif (is_array($value)) {
                $normalized[$key] = self::normalizeFiles($value);
                continue;
            } else {
                throw new InvalidArgumentException('Invalid value in files specification');
            }
        }

        return $normalized;
    }

    /**
     * Create and return an UploadedFile instance from a $_FILES specification.
     *
     * If the specification represents an array of values, this method will
     * delegate to normalizeNestedFileSpec() and return that return value.
     *
     * @param array $value $_FILES struct
     *
     * @return array|UploadedFileInterface
     */
    private static function createUploadedFileFromSpec(array $value)
    {
        if (is_array($value['tmp_name'])) {
            return self::normalizeNestedFileSpec($value);
        }

        return new UploadedFile(
            $value['tmp_name'],
            (int) $value['size'],
            (int) $value['error'],
            $value['name'],
            $value['type']
        );
    }

    /**
     * Normalize an array of file specifications.
     *
     * Loops through all nested files and returns a normalized array of
     * UploadedFileInterface instances.
     *
     * @param array $files
     *
     * @return UploadedFileInterface[]
     */
    private static function normalizeNestedFileSpec(array $files = []): array
    {
        $normalizedFiles = [];

        foreach (array_keys($files['tmp_name']) as $key) {
            $spec = [
                'tmp_name' => $files['tmp_name'][$key],
                'size' => $files['size'][$key],
                'error' => $files['error'][$key],
                'name' => $files['name'][$key],
                'type' => $files['type'][$key],
            ];
            $normalizedFiles[$key] = self::createUploadedFileFromSpec($spec);
        }

        return $normalizedFiles;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Nyholm\Psr7\Factory;
6
7		use InvalidArgumentException;
8		use Psr\Http\Message\ServerRequestInterface;
9		use Psr\Http\Message\UploadedFileInterface;
10		use Interop\Http\Factory\ServerRequestFactoryInterface;
11		use Nyholm\Psr7\ServerRequest;
12		use Nyholm\Psr7\Factory\UriFactory;
13		use Nyholm\Psr7\UploadedFile;
14
15		/**
16		* @author Tobias Nyholm <[email protected]>
17		* @author Martijn van der Ven <[email protected]>
18		*/
19		class ServerRequestFactory implements ServerRequestFactoryInterface
20		{
21	16	public function createServerRequest($method, $uri): ServerRequestInterface
22		{
23	16	return new ServerRequest($method, $uri);
24		}
25
26	7	public function createServerRequestFromArray(array $server): ServerRequestInterface
27		{
28	7	return new ServerRequest(
29	7	$this->getMethodFromEnvironment($server),
30	7	$this->getUriFromEnvironmentWithHTTP($server)
31		);
32		}
33
34		/**
35		* Create a new server request from a set of arrays.
36		*
37		* @param array $server Typically $_SERVER or similar structure.
38		* @param array $headers Typically the output of getallheaders() or similar structure.
39		* @param array $cookie Typically $_COOKIE or similar structure.
40		* @param array $get Typically $_GET or similar structure.
41		* @param array $post Typically $_POST or similar structure.
42		* @param array $files Typically $_FILES or similar structure.
43		*
44		* @throws InvalidArgumentException If no valid method or URI can be determined.
45		*
46		* @return ServerRequestInterface
47		*/
48		public function createServerRequestFromArrays(
49		array $server,
50		array $headers,
51		array $cookie,
52		array $get,
53		array $post,
54		array $files
55		): ServerRequestInterface {
56		$method = $this->getMethodFromEnvironment($server);
57		$uri = $this->getUriFromEnvironmentWithHTTP($server);
58
59		$protocol = isset($server['SERVER_PROTOCOL']) ? str_replace('HTTP/', '', $server['SERVER_PROTOCOL']) : '1.1';
60
61		$serverRequest = new ServerRequest($method, $uri, $headers, null, $protocol, $server);
62
63		return $serverRequest
64		->withCookieParams($cookie)
65		->withQueryParams($get)
66		->withParsedBody($post)
67		->withUploadedFiles(self::normalizeFiles($files));
68		}
69
70		/**
71		* Create a new server request from the current environment variables.
72		* Defaults to a GET request to minimise the risk of an InvalidArgumentException.
73		* Includes the current request headers as supplied by the server through `getallheaders()`.
74		*
75		* @throws InvalidArgumentException If no valid method or URI can be determined.
76		*
77		* @return ServerRequestInterface
78		*/
79		public function createServerRequestFromGlobals(): ServerRequestInterface
80		{
81		$server = $_SERVER;
82		if (false === isset($server['REQUEST_METHOD'])) {
83		$server['REQUEST_METHOD'] = 'GET';
84		}
85		$headers = function_exists('getallheaders') ? getallheaders() : [];
86		return $this->createServerRequestFromArrays($_SERVER, $headers, $_COOKIE, $_GET, $_POST, $_FILES);
87		}
88
89	7	private function getMethodFromEnvironment(array $environment): string
90		{
91	7	if (false === isset($environment['REQUEST_METHOD'])) {
92		throw new InvalidArgumentException('Cannot determine HTTP method');
93		}
94	7	return $environment['REQUEST_METHOD'];
95		}
96
97	7	private function getUriFromEnvironmentWithHTTP(array $environment): \Psr\Http\Message\UriInterface
98		{
99	7	$uri = (new UriFactory())->createUriFromArray($environment);
100	7	if ($uri->getScheme() === '') {
101	7	$uri = $uri->withScheme('http');
102		}
103	7	return $uri;
104		}
105
106		/**
107		* Return an UploadedFile instance array.
108		*
109		* @param array $files A array which respect $_FILES structure
110		*
111		* @throws InvalidArgumentException for unrecognized values
112		*
113		* @return array
114		*/
115		private static function normalizeFiles(array $files): array
116		{
117		$normalized = [];
118
119		foreach ($files as $key => $value) {
120		if ($value instanceof UploadedFileInterface) {
121		$normalized[$key] = $value;
122		} elseif (is_array($value) && isset($value['tmp_name'])) {
123		$normalized[$key] = self::createUploadedFileFromSpec($value);
124		} elseif (is_array($value)) {
125		$normalized[$key] = self::normalizeFiles($value);
126		continue;
127		} else {
128		throw new InvalidArgumentException('Invalid value in files specification');
129		}
130		}
131
132		return $normalized;
133		}
134
135		/**
136		* Create and return an UploadedFile instance from a $_FILES specification.
137		*
138		* If the specification represents an array of values, this method will
139		* delegate to normalizeNestedFileSpec() and return that return value.
140		*
141		* @param array $value $_FILES struct
142		*
143		* @return array\|UploadedFileInterface
144		*/
145		private static function createUploadedFileFromSpec(array $value)
146		{
147		if (is_array($value['tmp_name'])) {
148		return self::normalizeNestedFileSpec($value);
149		}
150
151		return new UploadedFile(
152		$value['tmp_name'],
153		(int) $value['size'],
154		(int) $value['error'],
155		$value['name'],
156		$value['type']
157		);
158		}
159
160		/**
161		* Normalize an array of file specifications.
162		*
163		* Loops through all nested files and returns a normalized array of
164		* UploadedFileInterface instances.
165		*
166		* @param array $files
167		*
168		* @return UploadedFileInterface[]
169		*/
170		private static function normalizeNestedFileSpec(array $files = []): array
171		{
172		$normalizedFiles = [];
173
174		foreach (array_keys($files['tmp_name']) as $key) {
175		$spec = [
176		'tmp_name' => $files['tmp_name'][$key],
177		'size' => $files['size'][$key],
178		'error' => $files['error'][$key],
179		'name' => $files['name'][$key],
180		'type' => $files['type'][$key],
181		];
182		$normalizedFiles[$key] = self::createUploadedFileFromSpec($spec);
183		}
184
185		return $normalizedFiles;
186		}
187		}
188

Nyholm / psr7

Push — master ( d89245...98d38e )

createServerRequestFromGlobals() A

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