1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* |
4
|
|
|
* This file is part of the API Platform project. |
5
|
|
|
* |
6
|
|
|
* (c) Kévin Dunglas <[email protected]> |
7
|
|
|
* |
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
9
|
|
|
* file that was distributed with this source code. |
10
|
|
|
*/ |
11
|
|
|
|
12
|
|
|
declare(strict_types=1); |
13
|
|
|
|
14
|
|
|
namespace ApiPlatform\Core\Util; |
15
|
|
|
|
16
|
|
|
use Symfony\Component\HttpFoundation\Request; |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* Utility functions for working with Symfony's HttpFoundation request. |
20
|
|
|
* |
21
|
|
|
* @internal |
22
|
|
|
* |
23
|
|
|
* @author Teoh Han Hui <[email protected]> |
24
|
|
|
* @author Vincent Chalamon <[email protected]> |
25
|
|
|
*/ |
26
|
|
|
final class RequestParser |
27
|
|
|
{ |
28
|
|
|
private function __construct() |
29
|
|
|
{ |
30
|
|
|
} |
31
|
|
|
|
32
|
|
|
/** |
33
|
|
|
* Gets a fixed request. |
34
|
|
|
*/ |
35
|
|
|
public static function parseAndDuplicateRequest(Request $request): Request |
36
|
|
|
{ |
37
|
|
|
$query = self::parseRequestParams(self::getQueryString($request) ?? ''); |
38
|
|
|
$body = self::parseRequestParams($request->getContent()); |
39
|
|
|
|
40
|
|
|
return $request->duplicate($query, $body); |
41
|
|
|
} |
42
|
|
|
|
43
|
|
|
/** |
44
|
|
|
* Parses request parameters from the specified source. |
45
|
|
|
* |
46
|
|
|
* @author Rok Kralj |
47
|
|
|
* |
48
|
|
|
* @see https://stackoverflow.com/a/18209799/1529493 |
49
|
|
|
*/ |
50
|
|
|
public static function parseRequestParams(string $source): array |
51
|
|
|
{ |
52
|
|
|
// '[' is urlencoded ('%5B') in the input, but we must urldecode it in order |
53
|
|
|
// to find it when replacing names with the regexp below. |
54
|
|
|
$source = str_replace('%5B', '[', $source); |
55
|
|
|
|
56
|
|
|
$source = preg_replace_callback( |
57
|
|
|
'/(^|(?<=&))[^=[&]+/', |
58
|
|
|
function ($key) { |
59
|
|
|
return bin2hex(urldecode($key[0])); |
60
|
|
|
}, |
61
|
|
|
$source |
62
|
|
|
); |
63
|
|
|
|
64
|
|
|
// parse_str urldecodes both keys and values in resulting array. |
65
|
|
|
parse_str($source, $params); |
66
|
|
|
|
67
|
|
|
return array_combine(array_map('hex2bin', array_keys($params)), $params); |
|
|
|
|
68
|
|
|
} |
69
|
|
|
|
70
|
|
|
/** |
71
|
|
|
* Generates the normalized query string for the Request. |
72
|
|
|
* |
73
|
|
|
* It builds a normalized query string, where keys/value pairs are alphabetized |
74
|
|
|
* and have consistent escaping. |
75
|
|
|
*/ |
76
|
|
|
public static function getQueryString(Request $request): ?string |
77
|
|
|
{ |
78
|
|
|
$qs = $request->server->get('QUERY_STRING', ''); |
79
|
|
|
if ('' === $qs) { |
80
|
|
|
return null; |
81
|
|
|
} |
82
|
|
|
|
83
|
|
|
$parts = []; |
84
|
|
|
|
85
|
|
|
foreach (explode('&', $qs) as $param) { |
86
|
|
|
if ('' === $param || '=' === $param[0]) { |
87
|
|
|
// Ignore useless delimiters, e.g. "x=y&". |
88
|
|
|
// Also ignore pairs with empty key, even if there was a value, e.g. "=value", as such nameless values cannot be retrieved anyway. |
89
|
|
|
// PHP also does not include them when building _GET. |
90
|
|
|
continue; |
91
|
|
|
} |
92
|
|
|
|
93
|
|
|
$keyValuePair = explode('=', $param, 2); |
94
|
|
|
|
95
|
|
|
// GET parameters, that are submitted from a HTML form, encode spaces as "+" by default (as defined in enctype application/x-www-form-urlencoded). |
96
|
|
|
// PHP also converts "+" to spaces when filling the global _GET or when using the function parse_str. This is why we use urldecode and then normalize to |
97
|
|
|
// RFC 3986 with rawurlencode. |
98
|
|
|
$parts[] = isset($keyValuePair[1]) ? |
99
|
|
|
rawurlencode(urldecode($keyValuePair[0])).'='.rawurlencode(urldecode($keyValuePair[1])) : |
100
|
|
|
rawurlencode(urldecode($keyValuePair[0])); |
101
|
|
|
} |
102
|
|
|
|
103
|
|
|
return implode('&', $parts); |
104
|
|
|
} |
105
|
|
|
} |
106
|
|
|
|