MultipartStream::createElement() - 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

MultipartStream::createElement() D

↳ Parent: MultipartStream

Complexity

Conditions	10
Paths	45

Size

Total Lines	30
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	10
eloc	17
nc	45
nop	4
dl	0
loc	30
rs	4.8196
c	0
b	0
f	0

How to fix Complexity

<?php
namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream that when read returns bytes for a streaming multipart or
 * multipart/form-data stream.
 */
class MultipartStream implements StreamInterface
{
    use StreamDecoratorTrait;

    private $boundary;

    /**
     * @param array  $elements Array of associative arrays, each containing a
     *                         required "name" key mapping to the form field,
     *                         name, a required "contents" key mapping to a
     *                         StreamInterface/resource/string, an optional
     *                         "headers" associative array of custom headers,
     *                         and an optional "filename" key mapping to a
     *                         string to send as the filename in the part.
     * @param string $boundary You can optionally provide a specific boundary
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(array $elements = [], $boundary = null)
    {
        $this->boundary = $boundary ?: sha1(uniqid('', true));
        $this->stream = $this->createStream($elements);
    }

    /**
     * Get the boundary
     *
     * @return string
     */
    public function getBoundary()
    {
        return $this->boundary;
    }

    public function isWritable()
    {
        return false;
    }

    /**
     * Get the headers needed before transferring the content of a POST file
     */
    private function getHeaders(array $headers)
    {
        $str = '';
        foreach ($headers as $key => $value) {
            $str .= "{$key}: {$value}\r\n";
        }

        return "--{$this->boundary}\r\n" . trim($str) . "\r\n\r\n";
    }

    /**
     * Create the aggregate stream that will be used to upload the POST data
     */
    protected function createStream(array $elements)
    {
        $stream = new AppendStream();

        foreach ($elements as $element) {
            $this->addElement($stream, $element);
        }

        // Add the trailing boundary with CRLF
        $stream->addStream(stream_for("--{$this->boundary}--\r\n"));

        return $stream;
    }

    private function addElement(AppendStream $stream, array $element)
    {
        foreach (['contents', 'name'] as $key) {
            if (!array_key_exists($key, $element)) {
                throw new \InvalidArgumentException("A '{$key}' key is required");
            }
        }

        $element['contents'] = stream_for($element['contents']);

        if (empty($element['filename'])) {
            $uri = $element['contents']->getMetadata('uri');
            if (substr($uri, 0, 6) !== 'php://') {
                $element['filename'] = $uri;
            }
        }

        list($body, $headers) = $this->createElement(
            $element['name'],
            $element['contents'],
            isset($element['filename']) ? $element['filename'] : null,
            isset($element['headers']) ? $element['headers'] : []
        );

        $stream->addStream(stream_for($this->getHeaders($headers)));
        $stream->addStream($body);
        $stream->addStream(stream_for("\r\n"));
    }

    /**
     * @return array
     */
    private function createElement($name, StreamInterface $stream, $filename, array $headers)
    {
        // Set a default content-disposition header if one was no provided
        $disposition = $this->getHeader($headers, 'content-disposition');
        if (!$disposition) {
            $headers['Content-Disposition'] = ($filename === '0' || $filename)
                ? sprintf('form-data; name="%s"; filename="%s"',
                    $name,
                    basename($filename))
                : "form-data; name=\"{$name}\"";
        }

        // Set a default content-length header if one was no provided
        $length = $this->getHeader($headers, 'content-length');
        if (!$length) {
            if ($length = $stream->getSize()) {
                $headers['Content-Length'] = (string) $length;
            }
        }

        // Set a default Content-Type if one was not supplied
        $type = $this->getHeader($headers, 'content-type');
        if (!$type && ($filename === '0' || $filename)) {
            if ($type = mimetype_from_filename($filename)) {
                $headers['Content-Type'] = $type;
            }
        }

        return [$stream, $headers];
    }

    private function getHeader(array $headers, $key)
    {
        $lowercaseHeader = strtolower($key);
        foreach ($headers as $k => $v) {
            if (strtolower($k) === $lowercaseHeader) {
                return $v;
            }
        }

        return null;
    }
}


1			<?php
2			namespace GuzzleHttp\Psr7;
3
4			use Psr\Http\Message\StreamInterface;
5
6			/**
7			* Stream that when read returns bytes for a streaming multipart or
8			* multipart/form-data stream.
9			*/
10			class MultipartStream implements StreamInterface
11			{
12			use StreamDecoratorTrait;
13
14			private $boundary;
15
16			/**
17			* @param array $elements Array of associative arrays, each containing a
18			* required "name" key mapping to the form field,
19			* name, a required "contents" key mapping to a
20			* StreamInterface/resource/string, an optional
21			* "headers" associative array of custom headers,
22			* and an optional "filename" key mapping to a
23			* string to send as the filename in the part.
24			* @param string $boundary You can optionally provide a specific boundary
25			*
26			* @throws \InvalidArgumentException
27			*/
28			public function __construct(array $elements = [], $boundary = null)
29			{
30			$this->boundary = $boundary ?: sha1(uniqid('', true));
31			$this->stream = $this->createStream($elements);
32			}
33
34			/**
35			* Get the boundary
36			*
37			* @return string
38			*/
39			public function getBoundary()
40			{
41			return $this->boundary;
42			}
43
44			public function isWritable()
45			{
46			return false;
47			}
48
49			/**
50			* Get the headers needed before transferring the content of a POST file
51			*/
52			private function getHeaders(array $headers)
53			{
54			$str = '';
55			foreach ($headers as $key => $value) {
56			$str .= "{$key}: {$value}\r\n";
57			}
58
59			return "--{$this->boundary}\r\n" . trim($str) . "\r\n\r\n";
60			}
61
62			/**
63			* Create the aggregate stream that will be used to upload the POST data
64			*/
65			protected function createStream(array $elements)
66			{
67			$stream = new AppendStream();
68
69			foreach ($elements as $element) {
70			$this->addElement($stream, $element);
71			}
72
73			// Add the trailing boundary with CRLF
74			$stream->addStream(stream_for("--{$this->boundary}--\r\n"));
75
76			return $stream;
77			}
78
79			private function addElement(AppendStream $stream, array $element)
80			{
81			foreach (['contents', 'name'] as $key) {
82			if (!array_key_exists($key, $element)) {
83			throw new \InvalidArgumentException("A '{$key}' key is required");
84			}
85			}
86
87			$element['contents'] = stream_for($element['contents']);
88
89			if (empty($element['filename'])) {
90			$uri = $element['contents']->getMetadata('uri');
91			if (substr($uri, 0, 6) !== 'php://') {
92			$element['filename'] = $uri;
93			}
94			}
95
96			list($body, $headers) = $this->createElement(
97			$element['name'],
98			$element['contents'],
99			isset($element['filename']) ? $element['filename'] : null,
100			isset($element['headers']) ? $element['headers'] : []
101			);
102
103			$stream->addStream(stream_for($this->getHeaders($headers)));
104			$stream->addStream($body);
105			$stream->addStream(stream_for("\r\n"));
106			}
107
108			/**
109			* @return array
110			*/
111			private function createElement($name, StreamInterface $stream, $filename, array $headers)
112			{
113			// Set a default content-disposition header if one was no provided
114			$disposition = $this->getHeader($headers, 'content-disposition');
115			if (!$disposition) {
116			$headers['Content-Disposition'] = ($filename === '0' \|\| $filename)
117			? sprintf('form-data; name="%s"; filename="%s"',
118			$name,
119			basename($filename))
120			: "form-data; name=\"{$name}\"";
121			}
122
123			// Set a default content-length header if one was no provided
124			$length = $this->getHeader($headers, 'content-length');
125			if (!$length) {
126			if ($length = $stream->getSize()) {
127			$headers['Content-Length'] = (string) $length;
128			}
129			}
130
131			// Set a default Content-Type if one was not supplied
132			$type = $this->getHeader($headers, 'content-type');
133			if (!$type && ($filename === '0' \|\| $filename)) {
134			if ($type = mimetype_from_filename($filename)) {
135			$headers['Content-Type'] = $type;
136			}
137			}
138
139			return [$stream, $headers];
140			}
141
142			private function getHeader(array $headers, $key)
143			{
144			$lowercaseHeader = strtolower($key);
145			foreach ($headers as $k => $v) {
146			if (strtolower($k) === $lowercaseHeader) {
147			return $v;
148			}
149			}
150
151			return null;
152			}
153			}
154

godbout / alfred-time

Push — master ( 8d12ff...458df2 )

MultipartStream::createElement() D

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

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