PrepareBodyMiddleware::addExpectHeader() - Code Metrics - Inspection of "Add guzzle via composer" - godbout/alfred-time - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8d12ff...458df2 )

by Guillaume

created 2017-05-02 09:55 UTC

PrepareBodyMiddleware::addExpectHeader() D

↳ Parent: PrepareBodyMiddleware

Complexity

Conditions	10
Paths	13

Size

Total Lines	37
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	10
eloc	18
nc	13
nop	3
dl	0
loc	37
rs	4.8196
c	0
b	0
f	0

How to fix Complexity

<?php
namespace GuzzleHttp;

use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\Psr7;
use Psr\Http\Message\RequestInterface;

/**
 * Prepares requests that contain a body, adding the Content-Length,
 * Content-Type, and Expect headers.
 */
class PrepareBodyMiddleware
{
    /** @var callable  */
    private $nextHandler;

    /** @var array */
    private static $skipMethods = ['GET' => true, 'HEAD' => true];

    /**
     * @param callable $nextHandler Next handler to invoke.
     */
    public function __construct(callable $nextHandler)
    {
        $this->nextHandler = $nextHandler;
    }

    /**
     * @param RequestInterface $request
     * @param array            $options
     *
     * @return PromiseInterface
     */
    public function __invoke(RequestInterface $request, array $options)
    {
        $fn = $this->nextHandler;

        // Don't do anything if the request has no body.
        if (isset(self::$skipMethods[$request->getMethod()])
            || $request->getBody()->getSize() === 0
        ) {
            return $fn($request, $options);
        }

        $modify = [];

        // Add a default content-type if possible.
        if (!$request->hasHeader('Content-Type')) {
            if ($uri = $request->getBody()->getMetadata('uri')) {
                if ($type = Psr7\mimetype_from_filename($uri)) {
                    $modify['set_headers']['Content-Type'] = $type;
                }
            }
        }

        // Add a default content-length or transfer-encoding header.
        if (!isset(self::$skipMethods[$request->getMethod()])
            && !$request->hasHeader('Content-Length')
            && !$request->hasHeader('Transfer-Encoding')
        ) {
            $size = $request->getBody()->getSize();
            if ($size !== null) {
                $modify['set_headers']['Content-Length'] = $size;
            } else {
                $modify['set_headers']['Transfer-Encoding'] = 'chunked';
            }
        }

        // Add the expect header if needed.
        $this->addExpectHeader($request, $options, $modify);

        return $fn(Psr7\modify_request($request, $modify), $options);
    }

    private function addExpectHeader(
        RequestInterface $request,
        array $options,
        array &$modify
    ) {
        // Determine if the Expect header should be used
        if ($request->hasHeader('Expect')) {
            return;
        }

        $expect = isset($options['expect']) ? $options['expect'] : null;

        // Return if disabled or if you're not using HTTP/1.1 or HTTP/2.0
        if ($expect === false || $request->getProtocolVersion() < 1.1) {
            return;
        }

        // The expect header is unconditionally enabled
        if ($expect === true) {
            $modify['set_headers']['Expect'] = '100-Continue';
            return;
        }

        // By default, send the expect header when the payload is > 1mb
        if ($expect === null) {
            $expect = 1048576;
        }

        // Always add if the body cannot be rewound, the size cannot be
        // determined, or the size is greater than the cutoff threshold
        $body = $request->getBody();
        $size = $body->getSize();

        if ($size === null || $size >= (int) $expect || !$body->isSeekable()) {
            $modify['set_headers']['Expect'] = '100-Continue';
        }
    }
}


1			<?php
2			namespace GuzzleHttp;
3
4			use GuzzleHttp\Promise\PromiseInterface;
5			use GuzzleHttp\Psr7;
6			use Psr\Http\Message\RequestInterface;
7
8			/**
9			* Prepares requests that contain a body, adding the Content-Length,
10			* Content-Type, and Expect headers.
11			*/
12			class PrepareBodyMiddleware
13			{
14			/** @var callable */
15			private $nextHandler;
16
17			/** @var array */
18			private static $skipMethods = ['GET' => true, 'HEAD' => true];
19
20			/**
21			* @param callable $nextHandler Next handler to invoke.
22			*/
23			public function __construct(callable $nextHandler)
24			{
25			$this->nextHandler = $nextHandler;
26			}
27
28			/**
29			* @param RequestInterface $request
30			* @param array $options
31			*
32			* @return PromiseInterface
33			*/
34			public function __invoke(RequestInterface $request, array $options)
35			{
36			$fn = $this->nextHandler;
37
38			// Don't do anything if the request has no body.
39			if (isset(self::$skipMethods[$request->getMethod()])
40			\|\| $request->getBody()->getSize() === 0
41			) {
42			return $fn($request, $options);
43			}
44
45			$modify = [];
46
47			// Add a default content-type if possible.
48			if (!$request->hasHeader('Content-Type')) {
49			if ($uri = $request->getBody()->getMetadata('uri')) {
50			if ($type = Psr7\mimetype_from_filename($uri)) {
51			$modify['set_headers']['Content-Type'] = $type;
52			}
53			}
54			}
55
56			// Add a default content-length or transfer-encoding header.
57			if (!isset(self::$skipMethods[$request->getMethod()])
58			&& !$request->hasHeader('Content-Length')
59			&& !$request->hasHeader('Transfer-Encoding')
60			) {
61			$size = $request->getBody()->getSize();
62			if ($size !== null) {
63			$modify['set_headers']['Content-Length'] = $size;
64			} else {
65			$modify['set_headers']['Transfer-Encoding'] = 'chunked';
66			}
67			}
68
69			// Add the expect header if needed.
70			$this->addExpectHeader($request, $options, $modify);
71
72			return $fn(Psr7\modify_request($request, $modify), $options);
73			}
74
75			private function addExpectHeader(
76			RequestInterface $request,
77			array $options,
78			array &$modify
79			) {
80			// Determine if the Expect header should be used
81			if ($request->hasHeader('Expect')) {
82			return;
83			}
84
85			$expect = isset($options['expect']) ? $options['expect'] : null;
86
87			// Return if disabled or if you're not using HTTP/1.1 or HTTP/2.0
88			if ($expect === false \|\| $request->getProtocolVersion() < 1.1) {
89			return;
90			}
91
92			// The expect header is unconditionally enabled
93			if ($expect === true) {
94			$modify['set_headers']['Expect'] = '100-Continue';
95			return;
96			}
97
98			// By default, send the expect header when the payload is > 1mb
99			if ($expect === null) {
100			$expect = 1048576;
101			}
102
103			// Always add if the body cannot be rewound, the size cannot be
104			// determined, or the size is greater than the cutoff threshold
105			$body = $request->getBody();
106			$size = $body->getSize();
107
108			if ($size === null \|\| $size >= (int) $expect \|\| !$body->isSeekable()) {
109			$modify['set_headers']['Expect'] = '100-Continue';
110			}
111			}
112			}
113

godbout / alfred-time

Push — master ( 8d12ff...458df2 )

PrepareBodyMiddleware::addExpectHeader() D

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

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