Data_and_files::init_data_and_files() - Code Metrics - Inspection of "Do not handle and request data and/or files for `G..." - nazar-pc/CleverStyle-Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 349239...be8479 )

by Nazar

created 2016-07-06 16:33 UTC

Data_and_files::init_data_and_files() D

↳ Parent: Data_and_files

Complexity

Conditions	9
Paths	26

Size

Total Lines	30
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	20
CRAP Score	9

Importance

Changes

Metric	Value
cc	9
eloc	20
nc	26
nop	4
dl	0
loc	30
ccs	20
cts	20
cp	1
crap	9
rs	4.909
c	0
b	0
f	0

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

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);
		$this->data_stream = null;
		if (in_array($this->method, ['GET', 'HEAD', 'OPTIONS'])) {
			return;
		}
		$data_stream = is_string($data_stream) ? fopen($data_stream, 'rb') : $data_stream;
		if (is_resource($data_stream)) {
			rewind($data_stream);
			if ($copy_stream) {
				$this->data_stream = fopen('php://temp', 'w+b');
				stream_copy_to_stream($data_stream, $this->data_stream);
				fclose($data_stream);
			} else {
				$this->data_stream = $data_stream;
			}
		}
		/**
		 * If we don't appear to have any data or files detected - probably, we need to parse request ourselves
		 */
		if (!$this->data && !$this->files && is_resource($this->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[][] $name
	 *
	 * @return mixed|mixed[]|null Data items (or associative array of data items) if exists or `null` otherwise (in case if `$name` is an array even one
	 *                             missing key will cause the whole thing to fail)
	 */
	function data (...$name) {
		if (count($name) === 1) {
			$name = $name[0];
		}
		/**
		 * @var string|string[] $name
		 */
		if (is_array($name)) {
			$result = [];
			foreach ($name as &$n) {
				if (!array_key_exists($n, $this->data)) {
					return null;
				}
				$result[$n] = $this->data[$n];
			}
			return $result;
		}
		/** @noinspection OffsetOperationsInspection */
		return @$this->data[$name];
	}
	/**
	 * Get file item by name
	 *
	 * @param string $name
	 *
	 * @return array|null File item if exists or `null` otherwise
	 */
	function files ($name) {
		return @$this->files[$name];
	}
	/**
	 * @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");
			}
			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],
						'stream'   => @$files['stream'][$index],
						'error'    => $files['error'][$index]
					],
					"$file_path/$index"
				);
			}
			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 () {
		$content_type = $this->header('content-type');
		rewind($this->data_stream);
		/**
		 * 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)) {
			try {
				$parts = $this->parse_multipart_into_parts($this->data_stream, trim($matches[1])) ?: [];
				list($this->data, $files) = $this->parse_multipart_analyze_parts($this->data_stream, $parts);
				$this->files = $this->normalize_files($files);
			} catch (UnexpectedValueException $e) {
				// Do nothing, if parsing failed then we'll just leave `::$data` and `::$files` empty
			}
		}
	}
	/**
	 * Parse content stream
	 *
	 * @param resource $stream
	 * @param string   $boundary
	 *
	 * @return array[]|false
	 *
	 * @throws UnexpectedValueException
	 * @throws ExitException
	 */
	protected function parse_multipart_into_parts ($stream, $boundary) {
		$parts    = [];
		$crlf     = "\r\n";
		$position = 0;
		$body     = '';
		list($offset, $body) = $this->parse_multipart_find($stream, $body, "--$boundary$crlf");
		/**
		 * strlen doesn't take into account trailing CRLF since we'll need it in loop below
		 */
		$position += $offset + strlen("--$boundary");
		$body = substr($body, strlen("--$boundary"));
		/**
		 * Each part always starts with CRLF
		 */
		while (strpos($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
				 */
				list($offset, $body) = $this->parse_multipart_find($stream, $body, $crlf.$crlf);
				$part['headers']['size'] = $offset;
				$position += $offset + 4;
				$body = substr($body, 4);
			}
			$part['body']['offset'] = $position;
			/**
			 * Find body end in order to determine its size
			 */
			list($offset, $body) = $this->parse_multipart_find($stream, $body, "$crlf--$boundary");
			$part['body']['size'] = $offset;
			$position += $offset + strlen("$crlf--$boundary");
			$body = substr($body, strlen("$crlf--$boundary"));
			if ($part['headers']['size']) {
				$parts[] = $part;
			}
		}
		/**
		 * 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);
		}
		return $parts;
	}
	/**
	 * @param resource $stream
	 * @param array[]  $parts
	 *
	 * @return array[]
	 */
	protected function parse_multipart_analyze_parts ($stream, $parts) {
		$data  = [];
		$files = [];
		foreach ($parts as $part) {
			$headers = $this->parse_multipart_headers(
				stream_get_contents($stream, $part['headers']['size'], $part['headers']['offset'])
			);
			if (
				!isset($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'   => $part['body']['size'],
					'stream' => Stream_slicer::slice($stream, $part['body']['offset'], $part['body']['size']),
					'error'  => UPLOAD_ERR_OK
				];
				if ($headers['content-disposition']['filename'] === '') {
					$file['type']   = '';
					$file['stream'] = null;
					$file['error']  = UPLOAD_ERR_NO_FILE;
				} elseif ($file['size'] > $this->upload_max_file_size()) {
					$file['stream'] = null;
					$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 {
					$this->parse_multipart_set_target(
						$data,
						$name,
						stream_get_contents($stream, $part['body']['size'], $part['body']['offset'])
					);
				}
			}
		}
		return [$data, $files];
	}
	/**
	 * @return int
	 */
	protected function post_max_size () {
		$size = ini_get('post_max_size') ?: ini_get('hhvm.server.max_post_size');
		return $this->convert_size_to_bytes($size);
	}
	/**
	 * @return int
	 */
	protected function upload_max_file_size () {
		$size = ini_get('upload_max_filesize') ?: ini_get('hhvm.server.upload.upload_max_file_size');
		return $this->convert_size_to_bytes($size);
	}
	/**
	 * @param int|string $size
	 *
	 * @return int
	 */
	protected function convert_size_to_bytes ($size) {
		switch (strtolower(substr($size, -1))) {
			case 'g';
				$size = (int)$size * 1024;
			case 'm';
				$size = (int)$size * 1024;
			case 'k';
				$size = (int)$size * 1024;
		}
		return (int)$size ?: PHP_INT_MAX;
	}
	/**
	 * @param resource $stream
	 * @param string   $next_data
	 * @param string   $target
	 *
	 * @return array
	 *
	 * @throws UnexpectedValueException
	 */
	protected function parse_multipart_find ($stream, $next_data, $target) {
		$offset    = 0;
		$prev_data = '';
		while (($found = strpos($prev_data.$next_data, $target)) === false) {
			if (feof($stream)) {
				throw new UnexpectedValueException;
			}
			if ($prev_data) {
				$offset += strlen($prev_data);
			}
			$prev_data = $next_data;
			$next_data = fread($stream, 1024);
		}
		$offset += $found;
		/**
		 * Read some more bytes so that we'll always have some remainder in place, since empty remainder might cause problems with `strpos()` call later
		 */
		$remainder = substr($prev_data.$next_data, $found).(fread($stream, 1024) ?: '');
		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 $component) {
			if (!strlen($component)) {
				$source = &$source[];
			} else {
				if (!isset($source[$component])) {
					$source[$component] = [];
				}
				$source = &$source[$component];
			}
		}
		$source = $value;
	}
}


1		<?php
2		/**
3		* @package CleverStyle Framework
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		UnexpectedValueException,
11		cs\ExitException,
12		nazarpc\Stream_slicer;
13
14		trait Data_and_files {
15		/**
16		* Data array, similar to `$_POST`
17		*
18		* @var array
19		*/
20		public $data;
21		/**
22		* Normalized files array
23		*
24		* Each file item can be either single file or array of files (in contrast with native PHP arrays where each field like `name` become an array) with keys
25		* `name`, `type`, `size`, `tmp_name`, `stream` and `error`
26		*
27		* `name`, `type`, `size` and `error` keys are similar to native PHP fields in `$_FILES`; `tmp_name` might not be temporary file, but file descriptor
28		* wrapper like `request-file:///file` instead and `stream` is resource like obtained with `fopen('/tmp/xyz', 'rb')`
29		*
30		* @var array[]
31		*/
32		public $files;
33		/**
34		* Data stream resource, similar to `fopen('php://input', 'rb')`
35		*
36		* Make sure you're controlling position in stream where you read something, if code in some other place might seek on this stream
37		*
38		* Stream is read-only
39		*
40		* @var null\|resource
41		*/
42		public $data_stream;
43		/**
44		* `$this->init_server()` assumed to be called already
45		*
46		* @param array $data Typically `$_POST`
47		* @param array[] $files Typically `$_FILES`; might be like native PHP array `$_FILES` or normalized; each file item MUST contain keys
48		* `name`, `type`, `size`, `error` and at least one of `tmp_name` or `stream`
49		* @param null\|resource\|string $data_stream String, like `php://input` or resource, like `fopen('php://input', 'rb')` with request body, will be parsed for
50		* data and files if necessary
51		* @param bool $copy_stream Sometimes data stream can only being read once (like most of times with `php://input`), so it is necessary to
52		* copy it and store its contents for longer period of time
53		*
54		* @throws ExitException
55		*/
56	30	function init_data_and_files ($data = [], $files = [], $data_stream = null, $copy_stream = true) {
57	30	if (is_resource($this->data_stream)) {
58	4	fclose($this->data_stream);
59		}
60	30	$this->data = $data;
61	30	$this->files = $this->normalize_files($files);
62	30	$this->data_stream = null;
63	30	if (in_array($this->method, ['GET', 'HEAD', 'OPTIONS'])) {
64	20	return;
65		}
66	10	$data_stream = is_string($data_stream) ? fopen($data_stream, 'rb') : $data_stream;
67	10	if (is_resource($data_stream)) {
68	8	rewind($data_stream);
69	8	if ($copy_stream) {
70	8	$this->data_stream = fopen('php://temp', 'w+b');
71	8	stream_copy_to_stream($data_stream, $this->data_stream);
72	8	fclose($data_stream);
73		} else {
74	4	$this->data_stream = $data_stream;
75		}
76		}
77		/**
78		* If we don't appear to have any data or files detected - probably, we need to parse request ourselves
79		*/
80	10	if (!$this->data && !$this->files && is_resource($this->data_stream)) {
81	4	$this->parse_data_stream();
82		}
83		// Hack: for compatibility we'll override $_POST since it might be filled during parsing
84	10	$_POST = $this->data;
85	10	}
86		/**
87		* Get data item by name
88		*
89		* @param string[]\|string[][] $name
90		*
91		* @return mixed\|mixed[]\|null Data items (or associative array of data items) if exists or `null` otherwise (in case if `$name` is an array even one
92		* missing key will cause the whole thing to fail)
93		*/
94	32	function data (...$name) {
95	32	if (count($name) === 1) {
96	28	$name = $name[0];
97		}
98		/**
99		* @var string\|string[] $name
100		*/
101	32	if (is_array($name)) {
102	6	$result = [];
103	6	foreach ($name as &$n) {
104	6	if (!array_key_exists($n, $this->data)) {
105	2	return null;
106		}
107	6	$result[$n] = $this->data[$n];
108		}
109	6	return $result;
110		}
111		/** @noinspection OffsetOperationsInspection */
112	28	return @$this->data[$name];
113		}
114		/**
115		* Get file item by name
116		*
117		* @param string $name
118		*
119		* @return array\|null File item if exists or `null` otherwise
120		*/
121	2	function files ($name) {
122	2	return @$this->files[$name];
123		}
124		/**
125		* @param array[] $files
126		* @param string $file_path
127		*
128		* @return array[]
129		*/
130	30	protected function normalize_files ($files, $file_path = '') {
131	30	if (!isset($files['name'])) {
132	30	foreach ($files as $field => &$file) {
133	2	$file = $this->normalize_files($file, "$file_path/$field");
134		}
135	30	return $files;
136		}
137	2	if (is_array($files['name'])) {
138	2	$result = [];
139	2	foreach (array_keys($files['name']) as $index) {
140	2	$result[] = $this->normalize_file(
141		[
142	2	'name' => $files['name'][$index],
143	2	'type' => $files['type'][$index],
144	2	'size' => $files['size'][$index],
145	2	'tmp_name' => @$files['tmp_name'][$index],
146	2	'stream' => @$files['stream'][$index],
147	2	'error' => $files['error'][$index]
148		],
149	2	"$file_path/$index"
150		);
151		}
152	2	return $result;
153		} else {
154	2	return $this->normalize_file($files, $file_path);
155		}
156		}
157		/**
158		* @param array $file
159		* @param string $file_path
160		*
161		* @return array
162		*/
163	2	protected function normalize_file ($file, $file_path) {
164		$file += [
165	2	'tmp_name' => null,
166		'stream' => null
167		];
168	2	if (isset($file['tmp_name']) && $file['stream'] === null) {
169	2	$file['stream'] = fopen($file['tmp_name'], 'rb');
170		}
171	2	if (isset($file['stream']) && !$file['tmp_name']) {
172	2	$file['tmp_name'] = "request-file://$file_path";
173		}
174	2	if ($file['tmp_name'] === null && $file['stream'] === null) {
175	2	$file['error'] = UPLOAD_ERR_NO_FILE;
176		}
177	2	return $file;
178		}
179		/**
180		* Parsing request body for following Content-Type: `application/json`, `application/x-www-form-urlencoded` and `multipart/form-data`
181		*
182		* @throws ExitException
183		*/
184	4	protected function parse_data_stream () {
185	4	$content_type = $this->header('content-type');
186	4	rewind($this->data_stream);
187		/**
188		* application/json
189		*/
190	4	if (preg_match('#^application/([^+\s]+\+)?json#', $content_type)) {
191	2	$this->data = _json_decode(stream_get_contents($this->data_stream)) ?: [];
192	2	return;
193		}
194		/**
195		* application/x-www-form-urlencoded
196		*/
197	2	if (strpos($content_type, 'application/x-www-form-urlencoded') === 0) {
198	2	@parse_str(stream_get_contents($this->data_stream), $this->data);
199	2	return;
200		}
201		/**
202		* multipart/form-data
203		*/
204		if (preg_match('#multipart/form-data;.*boundary="?([^;"]{1,70})(?:"\|;\|$)#Ui', $content_type, $matches)) {
205		try {
206		$parts = $this->parse_multipart_into_parts($this->data_stream, trim($matches[1])) ?: [];
207		list($this->data, $files) = $this->parse_multipart_analyze_parts($this->data_stream, $parts);
208		$this->files = $this->normalize_files($files);
209		} catch (UnexpectedValueException $e) {
210		// Do nothing, if parsing failed then we'll just leave `::$data` and `::$files` empty
211		}
212		}
213		}
214		/**
215		* Parse content stream
216		*
217		* @param resource $stream
218		* @param string $boundary
219		*
220		* @return array[]\|false
221		*
222		* @throws UnexpectedValueException
223		* @throws ExitException
224		*/
225		protected function parse_multipart_into_parts ($stream, $boundary) {
226		$parts = [];
227		$crlf = "\r\n";
228		$position = 0;
229		$body = '';
230		list($offset, $body) = $this->parse_multipart_find($stream, $body, "--$boundary$crlf");
231		/**
232		* strlen doesn't take into account trailing CRLF since we'll need it in loop below
233		*/
234		$position += $offset + strlen("--$boundary");
235		$body = substr($body, strlen("--$boundary"));
236		/**
237		* Each part always starts with CRLF
238		*/
239		while (strpos($body, $crlf) === 0) {
240		$position += 2;
241		$body = substr($body, 2);
242		$part = [
243		'headers' => [
244		'offset' => $position,
245		'size' => 0
246		],
247		'body' => [
248		'offset' => 0,
249		'size' => 0
250		]
251		];
252		if (strpos($body, $crlf) === 0) {
253		/**
254		* No headers
255		*/
256		$position += 2;
257		$body = substr($body, 2);
258		} else {
259		/**
260		* Find headers end in order to determine size
261		*/
262		list($offset, $body) = $this->parse_multipart_find($stream, $body, $crlf.$crlf);
263		$part['headers']['size'] = $offset;
264		$position += $offset + 4;
265		$body = substr($body, 4);
266		}
267		$part['body']['offset'] = $position;
268		/**
269		* Find body end in order to determine its size
270		*/
271		list($offset, $body) = $this->parse_multipart_find($stream, $body, "$crlf--$boundary");
272		$part['body']['size'] = $offset;
273		$position += $offset + strlen("$crlf--$boundary");
274		$body = substr($body, strlen("$crlf--$boundary"));
275		if ($part['headers']['size']) {
276		$parts[] = $part;
277		}
278		}
279		/**
280		* Last boundary after all parts ends with '--' and we don't care what rubbish happens after it
281		*/
282		$post_max_size = $this->post_max_size();
283		if (0 !== strpos($body, '--')) {
284		return false;
285		}
286		/**
287		* Check whether body size is bigger than allowed limit
288		*/
289		if ($position + strlen($body) > $post_max_size) {
290		throw new ExitException(413);
291		}
292		return $parts;
293		}
294		/**
295		* @param resource $stream
296		* @param array[] $parts
297		*
298		* @return array[]
299		*/
300		protected function parse_multipart_analyze_parts ($stream, $parts) {
301		$data = [];
302		$files = [];
303		foreach ($parts as $part) {
304		$headers = $this->parse_multipart_headers(
305		stream_get_contents($stream, $part['headers']['size'], $part['headers']['offset'])
306		);
307		if (
308		!isset($headers['content-disposition'][0], $headers['content-disposition']['name']) \|\|
309		$headers['content-disposition'][0] != 'form-data'
310		) {
311		continue;
312		}
313		$name = $headers['content-disposition']['name'];
314		if (isset($headers['content-disposition']['filename'])) {
315		$file = [
316		'name' => $headers['content-disposition']['filename'],
317		'type' => @$headers['content-type'] ?: 'application/octet-stream',
318		'size' => $part['body']['size'],
319		'stream' => Stream_slicer::slice($stream, $part['body']['offset'], $part['body']['size']),
320		'error' => UPLOAD_ERR_OK
321		];
322		if ($headers['content-disposition']['filename'] === '') {
323		$file['type'] = '';
324		$file['stream'] = null;
325		$file['error'] = UPLOAD_ERR_NO_FILE;
326		} elseif ($file['size'] > $this->upload_max_file_size()) {
327		$file['stream'] = null;
328		$file['error'] = UPLOAD_ERR_INI_SIZE;
329		}
330		$this->parse_multipart_set_target($files, $name, $file);
331		} else {
332		if ($part['body']['size'] == 0) {
333		$this->parse_multipart_set_target($data, $name, '');
334		} else {
335		$this->parse_multipart_set_target(
336		$data,
337		$name,
338		stream_get_contents($stream, $part['body']['size'], $part['body']['offset'])
339		);
340		}
341		}
342		}
343		return [$data, $files];
344		}
345		/**
346		* @return int
347		*/
348		protected function post_max_size () {
349		$size = ini_get('post_max_size') ?: ini_get('hhvm.server.max_post_size');
350		return $this->convert_size_to_bytes($size);
351		}
352		/**
353		* @return int
354		*/
355		protected function upload_max_file_size () {
356		$size = ini_get('upload_max_filesize') ?: ini_get('hhvm.server.upload.upload_max_file_size');
357		return $this->convert_size_to_bytes($size);
358		}
359		/**
360		* @param int\|string $size
361		*
362		* @return int
363		*/
364		protected function convert_size_to_bytes ($size) {
365		switch (strtolower(substr($size, -1))) {
366		case 'g';
367		$size = (int)$size * 1024;
368		case 'm';
369		$size = (int)$size * 1024;
370		case 'k';
371		$size = (int)$size * 1024;
372		}
373		return (int)$size ?: PHP_INT_MAX;
374		}
375		/**
376		* @param resource $stream
377		* @param string $next_data
378		* @param string $target
379		*
380		* @return array
381		*
382		* @throws UnexpectedValueException
383		*/
384		protected function parse_multipart_find ($stream, $next_data, $target) {
385		$offset = 0;
386		$prev_data = '';
387		while (($found = strpos($prev_data.$next_data, $target)) === false) {
388		if (feof($stream)) {
389		throw new UnexpectedValueException;
390		}
391		if ($prev_data) {
392		$offset += strlen($prev_data);
393		}
394		$prev_data = $next_data;
395		$next_data = fread($stream, 1024);
396		}
397		$offset += $found;
398		/**
399		* Read some more bytes so that we'll always have some remainder in place, since empty remainder might cause problems with `strpos()` call later
400		*/
401		$remainder = substr($prev_data.$next_data, $found).(fread($stream, 1024) ?: '');
402		return [$offset, $remainder];
403		}
404		/**
405		* @param string $content
406		*
407		* @return array
408		*/
409		protected function parse_multipart_headers ($content) {
410		$headers = [];
411		foreach (explode("\r\n", $content) as $header) {
412		list($name, $value) = explode(':', $header, 2);
413		if (!preg_match_all('/(.+)(?:="?(.)"?)?(?:;\s\|$)/U', $value, $matches)) {
414		continue;
415		}
416		$name = strtolower($name);
417		$headers[$name] = [];
418		foreach (array_keys($matches[1]) as $index) {
419		if (isset($headers[$name][0]) \|\| strlen($matches[2][$index])) {
420		$headers[$name][trim($matches[1][$index])] = urldecode(trim($matches[2][$index]));
421		} else {
422		$headers[$name][] = trim($matches[1][$index]);
423		}
424		}
425		if (count($headers[$name]) == 1) {
426		$headers[$name] = $headers[$name][0];
427		}
428		}
429		return $headers;
430		}
431		/**
432		* @param array $source
433		* @param string $name
434		* @param array\|string $value
435		*/
436		protected function parse_multipart_set_target (&$source, $name, $value) {
437		preg_match_all('/(?:^\|\[)([^\[\]]*)\]?/', $name, $matches);
438		if ($matches[1][0] === '') {
439		return;
440		}
441		foreach ($matches[1] as $component) {
442		if (!strlen($component)) {
443		$source = &$source[];
444		} else {
445		if (!isset($source[$component])) {
446		$source[$component] = [];
447		}
448		$source = &$source[$component];
449		}
450		}
451		$source = $value;
452		}
453		}
454

nazar-pc / CleverStyle-Framework

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Data_and_files::init_data_and_files() D

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