1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\RequestHandlerInterface;
/**
* A request handler using PHP's super globals $_GET, $_POST and $_SERVER.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class NativeRequestHandler implements RequestHandlerInterface
{
/**
* The allowed keys of the $_FILES array.
*
* @var array
*/
private static $fileKeys = array(
'error',
'name',
'size',
'tmp_name',
'type',
);
/**
* {@inheritdoc}
*/
public function handleRequest(FormInterface $form, $request = null)
{
if (null !== $request) {
throw new UnexpectedTypeException($request, 'null');
}
$name = $form->getName();
$method = $form->getConfig()->getMethod();
if ($method !== self::getRequestMethod()) {
return;
}
if ('GET' === $method) {
if ('' === $name) {
$data = $_GET;
} else {
// Don't submit GET requests if the form's name does not exist
// in the request
if (!isset($_GET[$name])) {
return;
}
$data = $_GET[$name];
}
} else {
$fixedFiles = array();
foreach ($_FILES as $name => $file) {
$fixedFiles[$name] = self::stripEmptyFiles(self::fixPhpFilesArray($file));
}
if ('' === $name) {
$params = $_POST;
$files = $fixedFiles;
} else {
$default = $form->getConfig()->getCompound() ? array() : null;
$params = isset($_POST[$name]) ? $_POST[$name] : $default;
$files = isset($fixedFiles[$name]) ? $fixedFiles[$name] : $default;
}
if (is_array($params) && is_array($files)) {
$data = array_replace_recursive($params, $files);
} else {
$data = $params ?: $files;
}
}
// Don't auto-submit the form unless at least one field is present.
if ('' === $name && count(array_intersect_key($data, $form->all())) <= 0) {
return;
}
$form->submit($data, 'PATCH' !== $method);
}
/**
* Returns the method used to submit the request to the server.
*
* @return string The request method.
*/
private static function getRequestMethod()
{
$method = isset($_SERVER['REQUEST_METHOD'])
? strtoupper($_SERVER['REQUEST_METHOD'])
: 'GET';
if ('POST' === $method && isset($_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE'])) {
$method = strtoupper($_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE']);
}
return $method;
}
/**
* Fixes a malformed PHP $_FILES array.
*
* PHP has a bug that the format of the $_FILES array differs, depending on
* whether the uploaded file fields had normal field names or array-like
* field names ("normal" vs. "parent[child]").
*
* This method fixes the array to look like the "normal" $_FILES array.
*
* It's safe to pass an already converted array, in which case this method
* just returns the original array unmodified.
*
* This method is identical to {@link Symfony\Component\HttpFoundation\FileBag::fixPhpFilesArray}
* and should be kept as such in order to port fixes quickly and easily.
*
* @param array $data
*
* @return array
*/
private static function fixPhpFilesArray($data)
{
if (!is_array($data)) {
return $data;
}
$keys = array_keys($data);
sort($keys);
if (self::$fileKeys !== $keys || !isset($data['name']) || !is_array($data['name'])) {
return $data;
}
$files = $data;
foreach (self::$fileKeys as $k) {
unset($files[$k]);
}
foreach (array_keys($data['name']) as $key) {
$files[$key] = self::fixPhpFilesArray(array(
'error' => $data['error'][$key],
'name' => $data['name'][$key],
'type' => $data['type'][$key],
'tmp_name' => $data['tmp_name'][$key],
'size' => $data['size'][$key]
));
}
return $files;
}
/**
* Sets empty uploaded files to NULL in the given uploaded files array.
*
* @param mixed $data The file upload data.
*
* @return array|null Returns the stripped upload data.
*/
private static function stripEmptyFiles($data)
{
if (!is_array($data)) {
return $data;
}
$keys = array_keys($data);
sort($keys);
if (self::$fileKeys === $keys) {
if (UPLOAD_ERR_NO_FILE === $data['error']) {
return null;
}
return $data;
}
foreach ($data as $key => $value) {
$data[$key] = self::stripEmptyFiles($value);
}
return $data;
}
}
|
