Data_and_files::parse_multipart_headers() - Code Metrics - Inspection of "System will now support requests with following Co..." - nazar-pc/CleverStyle-Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 61475a...8376f2 )

by Nazar

created 2016-03-22 02:39 UTC

Data_and_files::parse_multipart_headers() C

↳ Parent: Data_and_files

Complexity

Conditions	7
Paths	8

Size

Total Lines	22
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	22
rs	6.9811
cc	7
eloc	16
nc	8
nop	1

<?php
/**
 * @package   CleverStyle CMS
 * @author    Nazar Mokrynskyi <[email protected]>
 * @copyright Copyright (c) 2016, Nazar Mokrynskyi
 * @license   MIT License, see license.txt
 */
namespace cs\Request;
use
	cs\ExitException;

trait Data_and_files {
	/**
	 * Data array, similar to `$_POST`
	 *
	 * @var array
	 */
	public $data;
	/**
	 * Normalized files array
	 *
	 * Each file item can be either single file or array of files (in contrast with native PHP arrays where each field like `name` become an array) with keys
	 * `name`, `type`, `size`, `tmp_name`, `stream` and `error`
	 *
	 * `name`, `type`, `size` and `error` keys are similar to native PHP fields in `$_FILES`; `tmp_name` might not be temporary file, but file descriptor
	 * wrapper like `request-file:///file` instead and `stream` is resource like obtained with `fopen('/tmp/xyz', 'rb')`
	 *
	 * @var array[]
	 */
	public $files;
	/**
	 * Data stream resource, similar to `fopen('php://input', 'rb')`
	 *
	 * Make sure you're controlling position in stream where you read something, if code in some other place might seek on this stream
	 *
	 * Stream is read-only
	 *
	 * @var null|resource
	 */
	public $data_stream;
	/**
	 * `$this->init_server()` assumed to be called already
	 *
	 * @param array                $data        Typically `$_POST`
	 * @param array[]              $files       Typically `$_FILES`; might be like native PHP array `$_FILES` or normalized; each file item MUST contain keys
	 *                                          `name`, `type`, `size`, `error` and at least one of `tmp_name` or `stream`
	 * @param null|resource|string $data_stream String, like `php://input` or resource, like `fopen('php://input', 'rb')` with request body, will be parsed for
	 *                                          data and files if necessary
	 * @param bool                 $copy_stream Sometimes data stream can only being read once (like most of times with `php://input`), so it is necessary to
	 *                                          copy it and store its contents for longer period of time
	 *
	 * @throws ExitException
	 */
	function init_data_and_files ($data = [], $files = [], $data_stream = null, $copy_stream = true) {
		if (is_resource($this->data_stream)) {
			fclose($this->data_stream);
		}
		$this->data  = $data;
		$this->files = $this->normalize_files($files);
		$data_stream = is_string($data_stream) ? fopen($data_stream, 'rb') : $data_stream;
		if ($copy_stream && is_resource($data_stream)) {
			$this->data_stream = fopen('php://temp', 'w+b');
			stream_copy_to_stream($data_stream, $this->data_stream);
			rewind($this->data_stream);
			fclose($data_stream);
		} else {
			$this->data_stream = $data_stream;
		}
		$this->parse_data_stream();
		// Hack: for compatibility we'll override $_POST since it might be filled during parsing
		$_POST = $this->data;
	}
	/**
	 * Get data item by name
	 *
	 * @param string|string[] $name
	 *
	 * @return false|mixed|mixed[] Data if exists or `false` otherwise (in case if `$name` is an array even one missing key will cause the whole thing to fail)
	 */
	function data ($name) {
		if (is_array($name)) {
			foreach ($name as &$n) {
				if (!isset($this->data[$n])) {
					return false;
				}
				$n = $this->data[$n];
			}
			return $name;
		}
		/** @noinspection OffsetOperationsInspection */
		return isset($this->data[$name]) ? $this->data[$name] : false;
	}
	/**
	 * @param array[] $files
	 * @param string  $file_path
	 *
	 * @return array[]
	 */
	protected function normalize_files ($files, $file_path = '') {
		if (!isset($files['name'])) {
			foreach ($files as $field => &$file) {
				$file = $this->normalize_files($file, "$file_path/$field");
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
			}
			return $files;
		}
		if (is_array($files['name'])) {
			$result = [];
			foreach (array_keys($files['name']) as $index) {
				$result[] = $this->normalize_file(
					[
						'name'     => $files['name'][$index],
						'type'     => $files['type'][$index],
						'size'     => $files['size'][$index],
						'tmp_name' => @$files['tmp_name'][$index] ?: null,
						'stream'   => @$files['stream'][$index] ?: null,
						'error'    => $files['error'][$index]
					],
					$file_path
				);
			}
			return $result;
		} else {
			return $this->normalize_file($files, $file_path);
		}
	}
	/**
	 * @param array  $file
	 * @param string $file_path
	 *
	 * @return array
	 */
	protected function normalize_file ($file, $file_path) {
		$file += [
			'tmp_name' => null,
			'stream'   => null
		];
		if (isset($file['tmp_name']) && $file['stream'] === null) {
			$file['stream'] = fopen($file['tmp_name'], 'rb');
		}
		if (isset($file['stream']) && !$file['tmp_name']) {
			$file['tmp_name'] = "request-file://".$file_path;
		}
		if ($file['tmp_name'] === null && $file['stream'] === null) {
			$file['error'] = UPLOAD_ERR_NO_FILE;
		}
		return $file;
	}
	/**
	 * Parsing request body for following Content-Type: `application/json`, `application/x-www-form-urlencoded` and `multipart/form-data`
	 *
	 * @throws ExitException
	 */
	protected function parse_data_stream () {
		if ($this->data || $this->files) {
			return;
		}
		$this->data   = [];
		$this->files  = [];
		$content_type = $this->header('content-type');

		/**
		 * application/json
		 */
		if (preg_match('#^application/([^+\s]+\+)?json#', $content_type)) {
			$this->data = _json_decode(stream_get_contents($this->data_stream)) ?: [];
			return;
		}
		/**
		 * application/x-www-form-urlencoded
		 */
		if (strpos($content_type, 'application/x-www-form-urlencoded') === 0) {
			@parse_str(stream_get_contents($this->data_stream), $this->data);
			return;
		}
		/**
		 * multipart/form-data
		 */
		if (preg_match('#multipart/form-data;.*boundary="?([^;"]{1,70})(?:"|;|$)#Ui', $content_type, $matches)) {
			list($this->data, $files) = $this->parse_multipart($this->data_stream, trim($matches[1])) ?: [[], []];
			$this->files = $this->normalize_files($files);
		}
	}
	/**
	 * Parse content stream
	 *
	 * @param resource $stream
	 * @param string   $boundary
	 *
	 * @return array[]|bool

	 *
	 * @throws ExitException
	 */
	protected function parse_multipart ($stream, $boundary) {
		$parts    = [];
		$crlf     = "\r\n";
		$position = 0;
		$body     = '';
		$result   = $this->parse_multipart_find($stream, $body, "--$boundary$crlf");
		if ($result === false) {
			return false;
		}
		list($offset, $body) = $result;
		/**
		 * strlen doesn't take into account trailing CRLF since we'll need it in loop below
		 */
		$position += $offset + strlen("--$boundary");
		$body = substr($body, strlen("--$boundary"));
		$body .= fread($stream, 1024);
		/**
		 * Each part always starts with CRLF
		 */
		while (strpos($body, $crlf) === 0) {
			$position += 2;
			$body = substr($body, 2);
			$part = [
				'headers' => [
					'offset' => $position,
					'size'   => 0
				],
				'body'    => [
					'offset' => 0,
					'size'   => 0
				]
			];
			if (strpos($body, $crlf) === 0) {
				/**
				 * No headers
				 */
				$position += 2;
				$body = substr($body, 2);
			} else {
				/**
				 * Find headers end in order to determine size
				 */
				$result = $this->parse_multipart_find($stream, $body, $crlf.$crlf);
				if ($result === false) {
					return false;
				}
				list($offset, $body) = $result;
				$part['headers']['size'] = $offset;
				$position += $offset + 4;
				$body = substr($body, 4);
			}
			$part['body']['offset'] = $position;
			/**
			 * Find body end in order to determine its size
			 */
			$result = $this->parse_multipart_find($stream, $body, "$crlf--$boundary");
			if ($result === false) {
				return false;
			}
			list($offset, $body) = $result;
			$part['body']['size'] = $offset;
			$position += $offset + strlen("$crlf--$boundary");
			$body    = substr($body, strlen("$crlf--$boundary"));
			$parts[] = $part;
			$body .= fread($stream, 1024);
		}
		/**
		 * Last boundary after all parts ends with '--' and we don't care what rubbish happens after it
		 */
		$post_max_size = $this->post_max_size();
		if (0 !== strpos($body, '--')) {
			return false;
		}
		/**
		 * Check whether body size is bigger than allowed limit
		 */
		if ($position + strlen($body) > $post_max_size) {
			throw new ExitException(413);
		}
		$data  = [];
		$files = [];
		foreach ($parts as $part) {
			if (!$part['headers']['size']) {
				continue;
			}
			fseek($stream, $part['headers']['offset']);
			$headers = $this->parse_multipart_headers(
				fread($stream, $part['headers']['size'])
			);
			if (
				!isset($headers['content-disposition'][0], $headers['content-disposition']['name']) ||
				$headers['content-disposition'][0] != 'form-data'
			) {
				continue;
			}
			$name = $headers['content-disposition']['name'];
			if (isset($headers['content-disposition']['filename'])) {
				$file = [
					'name'     => $headers['content-disposition']['filename'],
					'type'     => @$headers['content-type'] ?: 'application/octet-stream',
					'size'     => $part['body']['size'],
					'tmp_name' => 'request-data://'.$part['body']['offset'].':'.$part['body']['size'],
					'error'    => UPLOAD_ERR_OK
				];
				if ($headers['content-disposition']['filename'] === '') {
					$file['type']     = '';
					$file['tmp_name'] = '';
					$file['error']    = UPLOAD_ERR_NO_FILE;
				}
				if ($file['size'] > $this->upload_max_file_size()) {
					$file['tmp_name'] = '';
					$file['error']    = UPLOAD_ERR_INI_SIZE;
				}
				$this->parse_multipart_set_target($files, $name, $file);
			} else {
				if ($part['body']['size'] == 0) {
					$this->parse_multipart_set_target($data, $name, '');
				} else {
					fseek($stream, $part['body']['offset']);
					$this->parse_multipart_set_target(
						$data,
						$name,
						fread($stream, $part['body']['size'])
					);
				}
			}
		}
		return [$data, $files];
	}
	/**
	 * @return int

	 */
	protected function post_max_size () {
		$post_max_size = ini_get('post_max_size') ?: ini_get('hhvm.server.max_post_size');
		switch (strtolower(substr($post_max_size, -1))) {
			case 'g';
				$post_max_size = (int)$post_max_size * 1024;
			case 'm';
				$post_max_size = (int)$post_max_size * 1024;
			case 'k';
				$post_max_size = (int)$post_max_size * 1024;
		}
		return $post_max_size ?: PHP_INT_MAX;
	}
	/**
	 * @return int

	 */
	protected function upload_max_file_size () {
		$upload_max_file_size = ini_get('upload_max_filesize') ?: ini_get('hhvm.server.upload.upload_max_file_size');
		switch (strtolower(substr($upload_max_file_size, -1))) {
			case 'g';
				$upload_max_file_size = (int)$upload_max_file_size * 1024;
			case 'm';
				$upload_max_file_size = (int)$upload_max_file_size * 1024;
			case 'k';
				$upload_max_file_size = (int)$upload_max_file_size * 1024;
		}
		return $upload_max_file_size ?: PHP_INT_MAX;
	}
	/**
	 * @param resource $stream
	 * @param string   $next_data
	 * @param string   $target
	 *
	 * @return array|bool

	 */
	protected function parse_multipart_find ($stream, $next_data, $target) {
		$offset    = 0;
		$prev_data = '';
		while (($found = strpos($prev_data.$next_data, $target)) === false) {
			if (feof($stream)) {
				return false;
			}
			if ($prev_data) {
				$offset += strlen($prev_data);
			}
			$prev_data = $next_data;
			$next_data = fread($stream, 1024);
		}
		$offset += $found;
		$remainder = substr($prev_data.$next_data, $found);
		return [$offset, $remainder];
	}
	/**
	 * @param string $content
	 *
	 * @return array
	 */
	protected function parse_multipart_headers ($content) {
		$headers = [];
		foreach (explode("\r\n", $content) as $header) {
			list($name, $value) = explode(':', $header, 2);
			if (!preg_match_all('/(.+)(?:="*?(.*)"?)?(?:;\s|$)/U', $value, $matches)) {
				continue;
			}
			$name           = strtolower($name);
			$headers[$name] = [];
			foreach (array_keys($matches[1]) as $index) {
				if (isset($headers[$name][0]) || strlen($matches[2][$index])) {
					$headers[$name][trim($matches[1][$index])] = urldecode(trim($matches[2][$index]));
				} else {
					$headers[$name][] = trim($matches[1][$index]);
				}
			}
			if (count($headers[$name]) == 1) {
				$headers[$name] = $headers[$name][0];
			}
		}
		return $headers;
	}
	/**
	 * @param array        $source
	 * @param string       $name
	 * @param array|string $value
	 */
	protected function parse_multipart_set_target (&$source, $name, $value) {
		preg_match_all('/(?:^|\[)([^\[\]]*)\]?/', $name, $matches);
		if ($matches[1][0] === '') {
			return;
		}
		foreach ($matches[1] as $component) {
			if (!isset($source[$component])) {
				$source[$component] = [];
			}
			if (!strlen($component)) {
				$source = &$source[$component][];
			} else {
				$source = &$source[$component];
			}
		}
		$source = $value;
	}
}


1			<?php
2			/**
3			* @package CleverStyle CMS
4			* @author Nazar Mokrynskyi <[email protected]>
5			* @copyright Copyright (c) 2016, Nazar Mokrynskyi
6			* @license MIT License, see license.txt
7			*/
8			namespace cs\Request;
9			use
10			cs\ExitException;
11
12			trait Data_and_files {
13			/**
14			* Data array, similar to `$_POST`
15			*
16			* @var array
17			*/
18			public $data;
19			/**
20			* Normalized files array
21			*
22			* Each file item can be either single file or array of files (in contrast with native PHP arrays where each field like `name` become an array) with keys
23			* `name`, `type`, `size`, `tmp_name`, `stream` and `error`
24			*
25			* `name`, `type`, `size` and `error` keys are similar to native PHP fields in `$_FILES`; `tmp_name` might not be temporary file, but file descriptor
26			* wrapper like `request-file:///file` instead and `stream` is resource like obtained with `fopen('/tmp/xyz', 'rb')`
27			*
28			* @var array[]
29			*/
30			public $files;
31			/**
32			* Data stream resource, similar to `fopen('php://input', 'rb')`
33			*
34			* Make sure you're controlling position in stream where you read something, if code in some other place might seek on this stream
35			*
36			* Stream is read-only
37			*
38			* @var null\|resource
39			*/
40			public $data_stream;
41			/**
42			* `$this->init_server()` assumed to be called already
43			*
44			* @param array $data Typically `$_POST`
45			* @param array[] $files Typically `$_FILES`; might be like native PHP array `$_FILES` or normalized; each file item MUST contain keys
46			* `name`, `type`, `size`, `error` and at least one of `tmp_name` or `stream`
47			* @param null\|resource\|string $data_stream String, like `php://input` or resource, like `fopen('php://input', 'rb')` with request body, will be parsed for
48			* data and files if necessary
49			* @param bool $copy_stream Sometimes data stream can only being read once (like most of times with `php://input`), so it is necessary to
50			* copy it and store its contents for longer period of time
51			*
52			* @throws ExitException
53			*/
54			function init_data_and_files ($data = [], $files = [], $data_stream = null, $copy_stream = true) {
55			if (is_resource($this->data_stream)) {
56			fclose($this->data_stream);
57			}
58			$this->data = $data;
59			$this->files = $this->normalize_files($files);
60			$data_stream = is_string($data_stream) ? fopen($data_stream, 'rb') : $data_stream;
61			if ($copy_stream && is_resource($data_stream)) {
62			$this->data_stream = fopen('php://temp', 'w+b');
63			stream_copy_to_stream($data_stream, $this->data_stream);
64			rewind($this->data_stream);
65			fclose($data_stream);
66			} else {
67			$this->data_stream = $data_stream;
68			}
69			$this->parse_data_stream();
70			// Hack: for compatibility we'll override $_POST since it might be filled during parsing
71			$_POST = $this->data;
72			}
73			/**
74			* Get data item by name
75			*
76			* @param string\|string[] $name
77			*
78			* @return false\|mixed\|mixed[] Data if exists or `false` otherwise (in case if `$name` is an array even one missing key will cause the whole thing to fail)
79			*/
80			function data ($name) {
81			if (is_array($name)) {
82			foreach ($name as &$n) {
83			if (!isset($this->data[$n])) {
84			return false;
85			}
86			$n = $this->data[$n];
87			}
88			return $name;
89			}
90			/** @noinspection OffsetOperationsInspection */
91			return isset($this->data[$name]) ? $this->data[$name] : false;
92			}
93			/**
94			* @param array[] $files
95			* @param string $file_path
96			*
97			* @return array[]
98			*/
99			protected function normalize_files ($files, $file_path = '') {
100			if (!isset($files['name'])) {
101			foreach ($files as $field => &$file) {
102			$file = $this->normalize_files($file, "$file_path/$field");
			1 ignored issue – show Documentation introduced 2016-03-22 02:43 UTC by Report Bug Copy Issue Report `$file` is of type `array\|null`, but the function expects a `array<integer,array>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
103			}
104			return $files;
105			}
106			if (is_array($files['name'])) {
107			$result = [];
108			foreach (array_keys($files['name']) as $index) {
109			$result[] = $this->normalize_file(
110			[
111			'name' => $files['name'][$index],
112			'type' => $files['type'][$index],
113			'size' => $files['size'][$index],
114			'tmp_name' => @$files['tmp_name'][$index] ?: null,
115			'stream' => @$files['stream'][$index] ?: null,
116			'error' => $files['error'][$index]
117			],
118			$file_path
119			);
120			}
121			return $result;
122			} else {
123			return $this->normalize_file($files, $file_path);
124			}
125			}
126			/**
127			* @param array $file
128			* @param string $file_path
129			*
130			* @return array
131			*/
132			protected function normalize_file ($file, $file_path) {
133			$file += [
134			'tmp_name' => null,
135			'stream' => null
136			];
137			if (isset($file['tmp_name']) && $file['stream'] === null) {
138			$file['stream'] = fopen($file['tmp_name'], 'rb');
139			}
140			if (isset($file['stream']) && !$file['tmp_name']) {
141			$file['tmp_name'] = "request-file://".$file_path;
142			}
143			if ($file['tmp_name'] === null && $file['stream'] === null) {
144			$file['error'] = UPLOAD_ERR_NO_FILE;
145			}
146			return $file;
147			}
148			/**
149			* Parsing request body for following Content-Type: `application/json`, `application/x-www-form-urlencoded` and `multipart/form-data`
150			*
151			* @throws ExitException
152			*/
153			protected function parse_data_stream () {
154			if ($this->data \|\| $this->files) {
155			return;
156			}
157			$this->data = [];
158			$this->files = [];
159			$content_type = $this->header('content-type');
			1 ignored issue – show Bug introduced 2016-03-22 02:43 UTC by Report Bug Copy Issue Report The method `header()` does not exist on `cs\Request\Data_and_files`. Did you maybe mean `parse_multipart_headers()`? This check marks calls to methods that do not seem to exist on an object. This is most likely the result of a method being renamed without all references to it being renamed likewise. Loading history...
160			/**
161			* application/json
162			*/
163			if (preg_match('#^application/([^+\s]+\+)?json#', $content_type)) {
164			$this->data = _json_decode(stream_get_contents($this->data_stream)) ?: [];
165			return;
166			}
167			/**
168			* application/x-www-form-urlencoded
169			*/
170			if (strpos($content_type, 'application/x-www-form-urlencoded') === 0) {
171			@parse_str(stream_get_contents($this->data_stream), $this->data);
172			return;
173			}
174			/**
175			* multipart/form-data
176			*/
177			if (preg_match('#multipart/form-data;.*boundary="?([^;"]{1,70})(?:"\|;\|$)#Ui', $content_type, $matches)) {
178			list($this->data, $files) = $this->parse_multipart($this->data_stream, trim($matches[1])) ?: [[], []];
179			$this->files = $this->normalize_files($files);
180			}
181			}
182			/**
183			* Parse content stream
184			*
185			* @param resource $stream
186			* @param string $boundary
187			*
188			* @return array[]\|bool
			0 ignored issues – show Documentation introduced 2016-03-22 02:43 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `false\|array[]`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
189			*
190			* @throws ExitException
191			*/
192			protected function parse_multipart ($stream, $boundary) {
193			$parts = [];
194			$crlf = "\r\n";
195			$position = 0;
196			$body = '';
197			$result = $this->parse_multipart_find($stream, $body, "--$boundary$crlf");
198			if ($result === false) {
199			return false;
200			}
201			list($offset, $body) = $result;
202			/**
203			* strlen doesn't take into account trailing CRLF since we'll need it in loop below
204			*/
205			$position += $offset + strlen("--$boundary");
206			$body = substr($body, strlen("--$boundary"));
207			$body .= fread($stream, 1024);
208			/**
209			* Each part always starts with CRLF
210			*/
211			while (strpos($body, $crlf) === 0) {
212			$position += 2;
213			$body = substr($body, 2);
214			$part = [
215			'headers' => [
216			'offset' => $position,
217			'size' => 0
218			],
219			'body' => [
220			'offset' => 0,
221			'size' => 0
222			]
223			];
224			if (strpos($body, $crlf) === 0) {
225			/**
226			* No headers
227			*/
228			$position += 2;
229			$body = substr($body, 2);
230			} else {
231			/**
232			* Find headers end in order to determine size
233			*/
234			$result = $this->parse_multipart_find($stream, $body, $crlf.$crlf);
235			if ($result === false) {
236			return false;
237			}
238			list($offset, $body) = $result;
239			$part['headers']['size'] = $offset;
240			$position += $offset + 4;
241			$body = substr($body, 4);
242			}
243			$part['body']['offset'] = $position;
244			/**
245			* Find body end in order to determine its size
246			*/
247			$result = $this->parse_multipart_find($stream, $body, "$crlf--$boundary");
248			if ($result === false) {
249			return false;
250			}
251			list($offset, $body) = $result;
252			$part['body']['size'] = $offset;
253			$position += $offset + strlen("$crlf--$boundary");
254			$body = substr($body, strlen("$crlf--$boundary"));
255			$parts[] = $part;
256			$body .= fread($stream, 1024);
257			}
258			/**
259			* Last boundary after all parts ends with '--' and we don't care what rubbish happens after it
260			*/
261			$post_max_size = $this->post_max_size();
262			if (0 !== strpos($body, '--')) {
263			return false;
264			}
265			/**
266			* Check whether body size is bigger than allowed limit
267			*/
268			if ($position + strlen($body) > $post_max_size) {
269			throw new ExitException(413);
270			}
271			$data = [];
272			$files = [];
273			foreach ($parts as $part) {
274			if (!$part['headers']['size']) {
275			continue;
276			}
277			fseek($stream, $part['headers']['offset']);
278			$headers = $this->parse_multipart_headers(
279			fread($stream, $part['headers']['size'])
280			);
281			if (
282			!isset($headers['content-disposition'][0], $headers['content-disposition']['name']) \|\|
283			$headers['content-disposition'][0] != 'form-data'
284			) {
285			continue;
286			}
287			$name = $headers['content-disposition']['name'];
288			if (isset($headers['content-disposition']['filename'])) {
289			$file = [
290			'name' => $headers['content-disposition']['filename'],
291			'type' => @$headers['content-type'] ?: 'application/octet-stream',
292			'size' => $part['body']['size'],
293			'tmp_name' => 'request-data://'.$part['body']['offset'].':'.$part['body']['size'],
294			'error' => UPLOAD_ERR_OK
295			];
296			if ($headers['content-disposition']['filename'] === '') {
297			$file['type'] = '';
298			$file['tmp_name'] = '';
299			$file['error'] = UPLOAD_ERR_NO_FILE;
300			}
301			if ($file['size'] > $this->upload_max_file_size()) {
302			$file['tmp_name'] = '';
303			$file['error'] = UPLOAD_ERR_INI_SIZE;
304			}
305			$this->parse_multipart_set_target($files, $name, $file);
306			} else {
307			if ($part['body']['size'] == 0) {
308			$this->parse_multipart_set_target($data, $name, '');
309			} else {
310			fseek($stream, $part['body']['offset']);
311			$this->parse_multipart_set_target(
312			$data,
313			$name,
314			fread($stream, $part['body']['size'])
315			);
316			}
317			}
318			}
319			return [$data, $files];
320			}
321			/**
322			* @return int
			0 ignored issues – show Documentation introduced 2016-03-22 02:43 UTC by Report Bug Copy Issue Report Should the return type not be `integer\|string`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
323			*/
324			protected function post_max_size () {
325			$post_max_size = ini_get('post_max_size') ?: ini_get('hhvm.server.max_post_size');
326			switch (strtolower(substr($post_max_size, -1))) {
327			case 'g';
328			$post_max_size = (int)$post_max_size * 1024;
329			case 'm';
330			$post_max_size = (int)$post_max_size * 1024;
331			case 'k';
332			$post_max_size = (int)$post_max_size * 1024;
333			}
334			return $post_max_size ?: PHP_INT_MAX;
335			}
336			/**
337			* @return int
			0 ignored issues – show Documentation introduced 2016-03-22 02:43 UTC by Report Bug Copy Issue Report Should the return type not be `integer\|string`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
338			*/
339			protected function upload_max_file_size () {
340			$upload_max_file_size = ini_get('upload_max_filesize') ?: ini_get('hhvm.server.upload.upload_max_file_size');
341			switch (strtolower(substr($upload_max_file_size, -1))) {
342			case 'g';
343			$upload_max_file_size = (int)$upload_max_file_size * 1024;
344			case 'm';
345			$upload_max_file_size = (int)$upload_max_file_size * 1024;
346			case 'k';
347			$upload_max_file_size = (int)$upload_max_file_size * 1024;
348			}
349			return $upload_max_file_size ?: PHP_INT_MAX;
350			}
351			/**
352			* @param resource $stream
353			* @param string $next_data
354			* @param string $target
355			*
356			* @return array\|bool
			0 ignored issues – show Documentation introduced 2016-03-22 02:43 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `false\|array<integer\|string>`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
357			*/
358			protected function parse_multipart_find ($stream, $next_data, $target) {
359			$offset = 0;
360			$prev_data = '';
361			while (($found = strpos($prev_data.$next_data, $target)) === false) {
362			if (feof($stream)) {
363			return false;
364			}
365			if ($prev_data) {
366			$offset += strlen($prev_data);
367			}
368			$prev_data = $next_data;
369			$next_data = fread($stream, 1024);
370			}
371			$offset += $found;
372			$remainder = substr($prev_data.$next_data, $found);
373			return [$offset, $remainder];
374			}
375			/**
376			* @param string $content
377			*
378			* @return array
379			*/
380			protected function parse_multipart_headers ($content) {
381			$headers = [];
382			foreach (explode("\r\n", $content) as $header) {
383			list($name, $value) = explode(':', $header, 2);
384			if (!preg_match_all('/(.+)(?:="?(.)"?)?(?:;\s\|$)/U', $value, $matches)) {
385			continue;
386			}
387			$name = strtolower($name);
388			$headers[$name] = [];
389			foreach (array_keys($matches[1]) as $index) {
390			if (isset($headers[$name][0]) \|\| strlen($matches[2][$index])) {
391			$headers[$name][trim($matches[1][$index])] = urldecode(trim($matches[2][$index]));
392			} else {
393			$headers[$name][] = trim($matches[1][$index]);
394			}
395			}
396			if (count($headers[$name]) == 1) {
397			$headers[$name] = $headers[$name][0];
398			}
399			}
400			return $headers;
401			}
402			/**
403			* @param array $source
404			* @param string $name
405			* @param array\|string $value
406			*/
407			protected function parse_multipart_set_target (&$source, $name, $value) {
408			preg_match_all('/(?:^\|\[)([^\[\]]*)\]?/', $name, $matches);
409			if ($matches[1][0] === '') {
410			return;
411			}
412			foreach ($matches[1] as $component) {
413			if (!isset($source[$component])) {
414			$source[$component] = [];
415			}
416			if (!strlen($component)) {
417			$source = &$source[$component][];
418			} else {
419			$source = &$source[$component];
420			}
421			}
422			$source = $value;
423			}
424			}
425

nazar-pc / CleverStyle-Framework

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Data_and_files::parse_multipart_headers() C

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