1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Almendra\Http\Psr\Messages; |
4
|
|
|
|
5
|
|
|
use Psr\Http\Message\MessageInterface; |
6
|
|
|
use Psr\Http\Message\StreamInterface; |
7
|
|
|
|
8
|
|
|
class Message implements MessageInterface |
9
|
|
|
{ |
10
|
|
|
protected $_protocolVersion = '1.1'; |
11
|
|
|
|
12
|
|
|
protected $_headers = []; |
13
|
|
|
|
14
|
|
|
protected $_body; |
15
|
|
|
|
16
|
|
|
/** |
17
|
|
|
* @var array The headers which are accepted. |
18
|
|
|
*/ |
19
|
|
|
protected $_validHeaders = [ |
20
|
|
|
'Content-Type', |
21
|
|
|
'Connection', |
22
|
|
|
'Accept', |
23
|
|
|
'Accept-Encoding', |
24
|
|
|
'Accept-Language', |
25
|
|
|
'Cache-Control', |
26
|
|
|
'Cookie', |
27
|
|
|
'Host', |
28
|
|
|
'User-Agent', |
29
|
|
|
'Remote Address', |
30
|
|
|
// ... |
31
|
|
|
]; |
32
|
|
|
|
33
|
|
|
/** |
34
|
|
|
* @var array Valid/Supported HTTP Protocol versions . |
35
|
|
|
*/ |
36
|
|
|
protected $_validVersions = [ |
37
|
|
|
'1.0', |
38
|
|
|
'1.1', |
39
|
|
|
'2.0', |
40
|
|
|
]; |
41
|
|
|
|
42
|
|
|
|
43
|
|
|
public function __construct(StreamInterface $stream = null) |
44
|
|
|
{ |
45
|
|
|
if (isset($stream) && null !== $stream) { |
46
|
|
|
$this -> _body = $stream; |
47
|
|
|
} else { |
48
|
|
|
// bad practice: to be remove |
49
|
|
|
$this -> _body = new \Almendra\Http\Psr\Messages\Stream; |
|
|
|
|
50
|
|
|
} |
51
|
|
|
} |
52
|
|
|
|
53
|
|
|
/** |
54
|
|
|
* Returns the message's protocol version. |
55
|
|
|
* |
56
|
|
|
* @return string |
57
|
|
|
*/ |
58
|
|
|
public function getProtocolVersion() |
59
|
|
|
{ |
60
|
|
|
return $this -> _protocolVersion; |
61
|
|
|
} |
62
|
|
|
|
63
|
|
|
/** |
64
|
|
|
* Returns an instance of the message with the specified protocol version. |
65
|
|
|
* |
66
|
|
|
* @param string $version The protocol version. |
67
|
|
|
* @return \Almendra\Http\Psr\Messages\Message |
68
|
|
|
* @throws InvalidArgumentException |
69
|
|
|
*/ |
70
|
|
|
public function withProtocolVersion($version) |
71
|
|
|
{ |
72
|
|
|
if (!in_array($version, $this -> _validVersions)) { |
73
|
|
|
throw new \InvalidArgumentException("Invalid or unsupported HTTP version."); |
74
|
|
|
} |
75
|
|
|
|
76
|
|
|
$this -> _protocolVersion = $version; |
77
|
|
|
|
78
|
|
|
return $this; |
79
|
|
|
} |
80
|
|
|
|
81
|
|
|
/** |
82
|
|
|
* Returns the headers. |
83
|
|
|
* |
84
|
|
|
* @return array An associative array of string values. |
85
|
|
|
*/ |
86
|
|
|
public function getHeaders() |
87
|
|
|
{ |
88
|
|
|
return $this -> _headers; |
89
|
|
|
} |
90
|
|
|
|
91
|
|
|
/** |
92
|
|
|
* Check if a header exists. |
93
|
|
|
* |
94
|
|
|
* @param string $name The name of the header. |
95
|
|
|
* @return boolean |
96
|
|
|
*/ |
97
|
|
|
public function hasHeader($name) |
98
|
|
|
{ |
99
|
|
|
if (!$this -> isArrayKeyLowercase($name, $this -> _headers)) { |
100
|
|
|
return false; |
101
|
|
|
} |
102
|
|
|
|
103
|
|
|
return true; |
104
|
|
|
} |
105
|
|
|
|
106
|
|
|
/** |
107
|
|
|
* Checks if a key name exists in a given array using a case-insensitive string comparision. |
108
|
|
|
* |
109
|
|
|
* @param string $name The key name |
110
|
|
|
* @param array $values The array of values |
111
|
|
|
* @return boolean |
112
|
|
|
*/ |
113
|
|
|
protected function isArrayKeyLowercase($name, array $values) |
114
|
|
|
{ |
115
|
|
|
$name = strtolower($name); |
116
|
|
|
foreach ($values as $key => $value) { |
117
|
|
|
$lowerCaseName = strtolower($key); |
118
|
|
|
if ($lowerCaseName === $name) { |
119
|
|
|
return isset($values[$lowerCaseName]); |
120
|
|
|
} |
121
|
|
|
} |
122
|
|
|
|
123
|
|
|
return false; |
124
|
|
|
} |
125
|
|
|
|
126
|
|
|
/** |
127
|
|
|
* Returns a header. |
128
|
|
|
* |
129
|
|
|
* @param string $name The header's name. |
130
|
|
|
* @return array |
131
|
|
|
*/ |
132
|
|
|
public function getHeader($name) |
133
|
|
|
{ |
134
|
|
|
$name = strtolower($name); |
135
|
|
|
if ($this -> hasHeader($name)) { |
136
|
|
|
return is_array($this -> _headers[$name]) ? |
137
|
|
|
$this -> _headers[$name] : |
138
|
|
|
[$this -> _headers[$name]]; |
139
|
|
|
} |
140
|
|
|
|
141
|
|
|
return []; |
142
|
|
|
} |
143
|
|
|
|
144
|
|
|
/** |
145
|
|
|
* Returns a comma-separated header. |
146
|
|
|
* |
147
|
|
|
* @param string $name The header's name. |
148
|
|
|
* @return string |
149
|
|
|
*/ |
150
|
|
|
public function getHeaderLine($name) |
151
|
|
|
{ |
152
|
|
|
if (!$this -> hasHeader($name)) { |
153
|
|
|
return ''; |
154
|
|
|
} |
155
|
|
|
|
156
|
|
|
if (!is_array($header = $this -> getHeader($name))) { |
157
|
|
|
return $header; |
158
|
|
|
} |
159
|
|
|
|
160
|
|
|
$header = implode(', ', $this -> getHeader($name)); |
161
|
|
|
|
162
|
|
|
return $header; |
163
|
|
|
} |
164
|
|
|
|
165
|
|
|
/** |
166
|
|
|
* Returns a message instance with the specified header |
167
|
|
|
* Replaces the header if it exists. |
168
|
|
|
* |
169
|
|
|
* @param string $name The header's name |
170
|
|
|
* @param string $value The header's value |
171
|
|
|
* @return \Almendra\Http\Psr\Messages\Message |
172
|
|
|
*/ |
173
|
|
|
public function withHeader($name, $value) |
174
|
|
|
{ |
175
|
|
|
if (!$this -> isHeaderValid($name)) { |
176
|
|
|
throw new \InvalidArgumentException("Invalid header name provided."); |
177
|
|
|
} |
178
|
|
|
|
179
|
|
|
$clone = clone $this; |
180
|
|
|
$clone -> setHeader($name, $value); // replace if exists |
181
|
|
|
|
182
|
|
|
return $clone; |
183
|
|
|
} |
184
|
|
|
|
185
|
|
|
/** |
186
|
|
|
* Returns a message instance with the an added header. |
187
|
|
|
* Does not replace the it if it exists already. |
188
|
|
|
* |
189
|
|
|
* @param string $name The header's name |
190
|
|
|
* @param string $value The header's value |
191
|
|
|
* @return \Almendra\Http\Psr\Messages\Message |
192
|
|
|
*/ |
193
|
|
|
public function withAddedHeader($name, $value) |
194
|
|
|
{ |
195
|
|
|
if (!$this -> isHeaderValid($name)) { |
196
|
|
|
throw new \InvalidArgumentException("Invalid header name provided."); |
197
|
|
|
} |
198
|
|
|
|
199
|
|
|
// append only |
200
|
|
|
$clone = clone $this; |
201
|
|
|
$clone -> hasHeader($name) ? |
202
|
|
|
$clone -> setHeader($name, $value) : |
203
|
|
|
$clone -> addHeader($name, $value); |
204
|
|
|
|
205
|
|
|
return $clone; |
206
|
|
|
} |
207
|
|
|
|
208
|
|
|
/** |
209
|
|
|
* Checks whather a header is valid. |
210
|
|
|
* |
211
|
|
|
* @param string $name The header's name |
212
|
|
|
* @return boolean true if supported |
213
|
|
|
*/ |
214
|
|
|
public function isHeaderValid($name) |
215
|
|
|
{ |
216
|
|
|
if (!is_string($name)) { |
217
|
|
|
return false; |
218
|
|
|
} |
219
|
|
|
|
220
|
|
|
$name = strtolower($name); |
|
|
|
|
221
|
|
|
|
222
|
|
|
|
223
|
|
|
return true; |
224
|
|
|
} |
225
|
|
|
|
226
|
|
|
/** |
227
|
|
|
* Sets a header, by name. |
228
|
|
|
* |
229
|
|
|
* @param string $name The header's name |
230
|
|
|
* @param string $name The header's value |
231
|
|
|
* @return void |
232
|
|
|
* @throws \InvalidArgumentException ! |
233
|
|
|
*/ |
234
|
|
|
public function setHeader($name, $value) |
235
|
|
|
{ |
236
|
|
|
if (!$this -> isHeaderValid($name)) { |
237
|
|
|
throw new \InvalidArgumentException("Invalid header name provided."); |
238
|
|
|
} |
239
|
|
|
|
240
|
|
|
if (!is_array($value)) { |
241
|
|
|
$value = [$value]; |
242
|
|
|
} |
243
|
|
|
|
244
|
|
|
$this -> _headers[strtolower($name)] = $value; |
245
|
|
|
} |
246
|
|
|
|
247
|
|
|
/** |
248
|
|
|
* Adds a header. Does not replace the value if it already exists. |
249
|
|
|
* |
250
|
|
|
* @param string $name The header's name |
251
|
|
|
* @param mixed $value The header's value |
252
|
|
|
* @return void |
253
|
|
|
*/ |
254
|
|
|
public function addHeader($name, $value) |
255
|
|
|
{ |
256
|
|
|
if (!is_array($value)) { |
257
|
|
|
$value = [$value]; |
258
|
|
|
} |
259
|
|
|
|
260
|
|
|
$header = $this -> getHeader($name); |
261
|
|
|
$this -> setHeader($name, array_merge($header, $value)); |
262
|
|
|
} |
263
|
|
|
|
264
|
|
|
/** |
265
|
|
|
* Returns an instance of the message without the specified header. |
266
|
|
|
* |
267
|
|
|
* @param string $name The header's name |
268
|
|
|
* @return \Almendra\Http\Psr\Messages\Message |
269
|
|
|
*/ |
270
|
|
|
public function withoutHeader($name) |
271
|
|
|
{ |
272
|
|
|
$clone = clone $this; |
273
|
|
|
if ($clone -> hasHeader($name)) { |
274
|
|
|
$clone -> unsetHeader($name); |
275
|
|
|
} |
276
|
|
|
|
277
|
|
|
return $clone; |
278
|
|
|
} |
279
|
|
|
|
280
|
|
|
/** |
281
|
|
|
* Unsets a header. |
282
|
|
|
* |
283
|
|
|
* @param string $name The header's name. |
284
|
|
|
* @return void |
285
|
|
|
*/ |
286
|
|
|
public function unsetHeader($name) |
287
|
|
|
{ |
288
|
|
|
unset($this -> _headers[$name]); |
289
|
|
|
} |
290
|
|
|
|
291
|
|
|
/** |
292
|
|
|
* Returns the message's body. |
293
|
|
|
* |
294
|
|
|
* @return Psr\Http\Message\StreamInterface |
295
|
|
|
*/ |
296
|
|
|
public function getBody() |
297
|
|
|
{ |
298
|
|
|
return $this -> _body; |
299
|
|
|
} |
300
|
|
|
|
301
|
|
|
/** |
302
|
|
|
* Returns an instance of the message with the specified body. |
303
|
|
|
* |
304
|
|
|
* @param \Psr\Http\Message\StreamInterface $body The body to be added |
305
|
|
|
* @return \Almendra\Http\Psr\Messages\Message |
306
|
|
|
* @throws \InvalidArgumentException |
307
|
|
|
*/ |
308
|
|
|
public function withBody(StreamInterface $body) |
309
|
|
|
{ |
310
|
|
|
$clone = clone $this; |
311
|
|
|
$clone -> _body = $body; |
312
|
|
|
|
313
|
|
|
return $clone; |
314
|
|
|
} |
315
|
|
|
} |
316
|
|
|
|
This check looks for function calls that miss required arguments.