ParseMultiPartBodyModifier::parseHeader() - Code Metrics - ThrusterIO/http-modifiers - Measure and Improve Code Quality continuously with Scrutinizer

ParseMultiPartBodyModifier::parseHeader() B
last analyzed 2016-02-12 17:22 UTC

↳ Parent: ParseMultiPartBodyModifier

Complexity

Conditions	5
Paths	5

Size

Total Lines	28
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	30

Metric	Value
dl	0
loc	28
ccs	0
cts	21
cp	0
rs	8.439
cc	5
eloc	16
nc	5
nop	2
crap	30

<?php

namespace Thruster\Component\HttpModifiers;

use Psr\Http\Message\ServerRequestInterface;
use Thruster\Component\HttpMessage\UploadedFile;
use Thruster\Component\HttpModifier\ServerRequestModifierInterface;

/**
 * Class ParseMultiPartBodyModifier
 *
 * @package Thruster\Component\HttpModifiers
 * @author  Aurimas Niekis <[email protected]>
 */
class ParseMultiPartBodyModifier implements ServerRequestModifierInterface
{
    public function modify(ServerRequestInterface $request) : ServerRequestInterface
    {
        $headerLine = $request->getHeaderLine('Content-Type');

        if (false === strpos($headerLine, 'multipart/')) {
            return $request;
        }

        $boundary = null;
        if (preg_match("/boundary=\"?(.*)\"?$/", $headerLine, $matches)) {
            $boundary = $matches[1];
        }

        $variables = [];
        $files     = [];

        $body     = $request->getBody()->detach();
        $partInfo = null;

        while (false !== ($lineN = fgets($body))) {
            if (0 === strpos($lineN, '--')) {
                if (null === $boundary) {
                    $boundary = rtrim($lineN);
                }

                continue;
            }

            $line = rtrim($lineN);

            if ('' === $line) {
                if (isset($partInfo['Content-Disposition']) &&
                    true !== empty($partInfo['Content-Disposition']['filename'])
                ) {
                    $this->parseFile($body, $boundary, $partInfo, $files);
                } elseif ($partInfo !== null) {
                    $this->parseVariable($body, $boundary, $partInfo['Content-Disposition']['name'], $variables);
                }

                $partInfo = null;
                continue;
            }

            list($key, $value) = explode(':', $line, 2);

            $partInfo[$key] = $this->parseHeader($value, $key);
        }

        return $request
            ->withParsedBody($variables)
            ->withUploadedFiles($files);
    }

    private function parseFile($body, $boundary, $partInfo, &$files)
    {
        $tempDir = sys_get_temp_dir();

        $name        = $partInfo['Content-Disposition']['name'];
        $fileName    = $partInfo['Content-Disposition']['filename'] ?? null;
        $contentType = $partInfo['Content-Type']['value'] ?? null;

        if (empty($tempDir)) {
            $errorCode = UPLOAD_ERR_NO_TMP_DIR;

            $files[$name] = new UploadedFile(null, 0, $errorCode, $fileName, $contentType);

            return;
        }

        $tempName = tempnam($tempDir, 'thruster_file_upload');
        $stream   = fopen($tempName, 'wb');

        if (false === $stream) {
            $errorCode = UPLOAD_ERR_CANT_WRITE;

            $files[$name] = new UploadedFile(null, 0, $errorCode, $fileName, $contentType);

            return;
        }

        $lastLine = null;
        while (false !== ($lineN = fgets($body, 4096))) {
            if ($lastLine !== null) {
                if (false !== strpos($lineN, $boundary)) {
                    break;
                }

                if (false === fwrite($stream, $lastLine)) {

                    $errorCode = UPLOAD_ERR_CANT_WRITE;

                    $files[$name] = new UploadedFile(null, 0, $errorCode, $fileName, $contentType);
                    fclose($stream);
                    unlink($tempName);

                    return;
                }

            }

            $lastLine = $lineN;
        }

        if (null !== $lastLine) {
            if (false === fwrite($stream, rtrim($lastLine, "\r\n"))) {

                $errorCode = UPLOAD_ERR_CANT_WRITE;

                $files[$name] = new UploadedFile(null, 0, $errorCode, $fileName, $contentType);
                fclose($stream);
                unlink($tempName);

                return;
            }
        }

        fclose($stream);

        $files[$name] = new UploadedFile(
            $tempName,
            filesize($tempName),
            UPLOAD_ERR_OK,
            $fileName,
            $contentType
        );
    }

    private function parseVariable($body, $boundary, $name, &$variables)
    {
        $fullValue = '';
        $lastLine = null;

        while (false !== ($lineN = fgets($body)) && false === strpos($lineN, $boundary)) {
            if (null !== $lastLine) {
                $fullValue .= $lastLine;
            }

            $lastLine = $lineN;
        }

        if (null !== $lastLine) {
            $fullValue .= rtrim($lastLine, "\r\n");
        }

        $variables[$name] = $fullValue;
    }

    private function parseHeader($value, $key = '')
    {
        $result = [];

        $regex = '/(^|;)\s*(?P<name>[^=:,;\s"]*):?(=("(?P<quotedValue>' .
            '[^"]*(\\.[^"]*)*)")|(\s*(?P<value>[^=,;\s"]*)))?/mx';

        preg_match_all($regex, $value, $matches, PREG_SET_ORDER);

        foreach ($matches as $index => $match) {
$collection = json_decode($data, true);
if ( ! is_array($collection)) {
    throw new \RuntimeException('$collection must be an array.');
}

foreach ($collection as $item) { /** ... */ }
            $name        = $match['name'];
            $quotedValue = $match['quotedValue'];

            if (empty($quotedValue)) {
                $value = $match['value'];
            } else {
                $value = stripcslashes($quotedValue);
            }

            if ($name == $key && 0 === $index) {
                $name = 'value';
            }

            $result[$name] = $value;
        }

        return $result;
    }
}


1		<?php
2
3		namespace Thruster\Component\HttpModifiers;
4
5		use Psr\Http\Message\ServerRequestInterface;
6		use Thruster\Component\HttpMessage\UploadedFile;
7		use Thruster\Component\HttpModifier\ServerRequestModifierInterface;
8
9		/**
10		* Class ParseMultiPartBodyModifier
11		*
12		* @package Thruster\Component\HttpModifiers
13		* @author Aurimas Niekis <[email protected]>
14		*/
15		class ParseMultiPartBodyModifier implements ServerRequestModifierInterface
16		{
17		public function modify(ServerRequestInterface $request) : ServerRequestInterface
18		{
19		$headerLine = $request->getHeaderLine('Content-Type');
20
21		if (false === strpos($headerLine, 'multipart/')) {
22		return $request;
23		}
24
25		$boundary = null;
26		if (preg_match("/boundary=\"?(.*)\"?$/", $headerLine, $matches)) {
27		$boundary = $matches[1];
28		}
29
30		$variables = [];
31		$files = [];
32
33		$body = $request->getBody()->detach();
34		$partInfo = null;
35
36		while (false !== ($lineN = fgets($body))) {
37		if (0 === strpos($lineN, '--')) {
38		if (null === $boundary) {
39		$boundary = rtrim($lineN);
40		}
41
42		continue;
43		}
44
45		$line = rtrim($lineN);
46
47		if ('' === $line) {
48		if (isset($partInfo['Content-Disposition']) &&
49		true !== empty($partInfo['Content-Disposition']['filename'])
50		) {
51		$this->parseFile($body, $boundary, $partInfo, $files);
52		} elseif ($partInfo !== null) {
53		$this->parseVariable($body, $boundary, $partInfo['Content-Disposition']['name'], $variables);
54		}
55
56		$partInfo = null;
57		continue;
58		}
59
60		list($key, $value) = explode(':', $line, 2);
61
62		$partInfo[$key] = $this->parseHeader($value, $key);
63		}
64
65		return $request
66		->withParsedBody($variables)
67		->withUploadedFiles($files);
68		}
69
70		private function parseFile($body, $boundary, $partInfo, &$files)
71		{
72		$tempDir = sys_get_temp_dir();
73
74		$name = $partInfo['Content-Disposition']['name'];
75		$fileName = $partInfo['Content-Disposition']['filename'] ?? null;
76		$contentType = $partInfo['Content-Type']['value'] ?? null;
77
78		if (empty($tempDir)) {
79		$errorCode = UPLOAD_ERR_NO_TMP_DIR;
80
81		$files[$name] = new UploadedFile(null, 0, $errorCode, $fileName, $contentType);
82
83		return;
84		}
85
86		$tempName = tempnam($tempDir, 'thruster_file_upload');
87		$stream = fopen($tempName, 'wb');
88
89		if (false === $stream) {
90		$errorCode = UPLOAD_ERR_CANT_WRITE;
91
92		$files[$name] = new UploadedFile(null, 0, $errorCode, $fileName, $contentType);
93
94		return;
95		}
96
97		$lastLine = null;
98		while (false !== ($lineN = fgets($body, 4096))) {
99		if ($lastLine !== null) {
100		if (false !== strpos($lineN, $boundary)) {
101		break;
102		}
103
104	View Code Duplication	if (false === fwrite($stream, $lastLine)) {
		0 ignored issues – show Duplication introduced 2016-01-25 00:03 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
105		$errorCode = UPLOAD_ERR_CANT_WRITE;
106
107		$files[$name] = new UploadedFile(null, 0, $errorCode, $fileName, $contentType);
108		fclose($stream);
109		unlink($tempName);
110
111		return;
112		}
113
114		}
115
116		$lastLine = $lineN;
117		}
118
119		if (null !== $lastLine) {
120	View Code Duplication	if (false === fwrite($stream, rtrim($lastLine, "\r\n"))) {
		0 ignored issues – show Duplication introduced 2016-01-25 00:03 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
121		$errorCode = UPLOAD_ERR_CANT_WRITE;
122
123		$files[$name] = new UploadedFile(null, 0, $errorCode, $fileName, $contentType);
124		fclose($stream);
125		unlink($tempName);
126
127		return;
128		}
129		}
130
131		fclose($stream);
132
133		$files[$name] = new UploadedFile(
134		$tempName,
135		filesize($tempName),
136		UPLOAD_ERR_OK,
137		$fileName,
138		$contentType
139		);
140		}
141
142		private function parseVariable($body, $boundary, $name, &$variables)
143		{
144		$fullValue = '';
145		$lastLine = null;
146
147		while (false !== ($lineN = fgets($body)) && false === strpos($lineN, $boundary)) {
148		if (null !== $lastLine) {
149		$fullValue .= $lastLine;
150		}
151
152		$lastLine = $lineN;
153		}
154
155		if (null !== $lastLine) {
156		$fullValue .= rtrim($lastLine, "\r\n");
157		}
158
159		$variables[$name] = $fullValue;
160		}
161
162		private function parseHeader($value, $key = '')
163		{
164		$result = [];
165
166		$regex = '/(^\|;)\s(?P<name>[^=:,;\s"]):?(=("(?P<quotedValue>' .
167		'[^"](\\.[^"]))")\|(\s(?P<value>[^=,;\s"]*)))?/mx';
168
169		preg_match_all($regex, $value, $matches, PREG_SET_ORDER);
170
171		foreach ($matches as $index => $match) {
		0 ignored issues – show Bug introduced 2016-01-25 00:03 UTC by Report Bug Copy Issue Report The expression `$matches` of type `null\|array<integer,array<integer,string>>` is not guaranteed to be traversable. How about adding an additional type check? There are different options of fixing this problem. If you want to be on the safe side, you can add an additional type-check: $collection = json_decode($data, true); if ( ! is_array($collection)) { throw new \RuntimeException('$collection must be an array.'); } foreach ($collection as $item) { /** ... / } If you are sure that the expression is traversable, you might want to add a doc comment cast* to improve IDE auto-completion and static analysis: /** @var array $collection / $collection = json_decode($data, true); foreach ($collection as $item) { /* .. / } Mark the issue as a false-positive*: Just hover the remove button, in the top-right corner of this issue for more options. Loading history...
172		$name = $match['name'];
173		$quotedValue = $match['quotedValue'];
174
175		if (empty($quotedValue)) {
176		$value = $match['value'];
177		} else {
178		$value = stripcslashes($quotedValue);
179		}
180
181		if ($name == $key && 0 === $index) {
182		$name = 'value';
183		}
184
185		$result[$name] = $value;
186		}
187
188		return $result;
189		}
190		}
191

ThrusterIO / http-modifiers

ParseMultiPartBodyModifier::parseHeader() B last analyzed 2016-02-12 17:22 UTC

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ParseMultiPartBodyModifier::parseHeader() B
last analyzed 2016-02-12 17:22 UTC