|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Yiisoft\Yii\Runner\Http; |
|
6
|
|
|
|
|
7
|
|
|
use InvalidArgumentException; |
|
8
|
|
|
use Psr\Http\Message\ResponseInterface; |
|
9
|
|
|
use Yiisoft\Http\Status; |
|
10
|
|
|
use Yiisoft\Yii\Runner\Http\Exception\HeadersHaveBeenSentException; |
|
11
|
|
|
|
|
12
|
|
|
use function flush; |
|
13
|
|
|
use function in_array; |
|
14
|
|
|
use function sprintf; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* `SapiEmitter` sends a response using standard PHP Server API i.e. with {@see header()} and "echo". |
|
18
|
|
|
*/ |
|
19
|
|
|
final class SapiEmitter |
|
20
|
|
|
{ |
|
21
|
|
|
private const NO_BODY_RESPONSE_CODES = [ |
|
22
|
|
|
Status::CONTINUE, |
|
23
|
|
|
Status::SWITCHING_PROTOCOLS, |
|
24
|
|
|
Status::PROCESSING, |
|
25
|
|
|
Status::NO_CONTENT, |
|
26
|
|
|
Status::RESET_CONTENT, |
|
27
|
|
|
Status::NOT_MODIFIED, |
|
28
|
|
|
]; |
|
29
|
|
|
|
|
30
|
|
|
private const DEFAULT_BUFFER_SIZE = 8_388_608; // 8MB |
|
|
|
|
|
|
31
|
|
|
|
|
32
|
|
|
private int $bufferSize; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* @param int|null $bufferSize The size of the buffer in bytes to send the content of the message body. |
|
36
|
|
|
*/ |
|
37
|
25 |
|
public function __construct(int $bufferSize = null) |
|
38
|
|
|
{ |
|
39
|
25 |
|
if ($bufferSize !== null && $bufferSize < 1) { |
|
40
|
1 |
|
throw new InvalidArgumentException('Buffer size must be greater than zero.'); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
24 |
|
$this->bufferSize = $bufferSize ?? self::DEFAULT_BUFFER_SIZE; |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* Responds to the client with headers and body. |
|
48
|
|
|
* |
|
49
|
|
|
* @param ResponseInterface $response Response object to send. |
|
50
|
|
|
* @param bool $withoutBody If body should be ignored. |
|
51
|
|
|
* |
|
52
|
|
|
* @throws HeadersHaveBeenSentException |
|
53
|
|
|
*/ |
|
54
|
24 |
|
public function emit(ResponseInterface $response, bool $withoutBody = false): void |
|
55
|
|
|
{ |
|
56
|
24 |
|
$status = $response->getStatusCode(); |
|
57
|
24 |
|
$withoutBody = $withoutBody || !$this->shouldOutputBody($response); |
|
58
|
24 |
|
$withoutContentLength = $withoutBody || $response->hasHeader('Transfer-Encoding'); |
|
59
|
|
|
|
|
60
|
24 |
|
if ($withoutContentLength) { |
|
61
|
11 |
|
$response = $response->withoutHeader('Content-Length'); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
// We can't send headers if they are already sent. |
|
65
|
24 |
|
if (headers_sent()) { |
|
66
|
1 |
|
throw new HeadersHaveBeenSentException(); |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
23 |
|
header_remove(); |
|
70
|
|
|
|
|
71
|
|
|
// Send headers. |
|
72
|
23 |
|
foreach ($response->getHeaders() as $header => $values) { |
|
73
|
19 |
|
foreach ($values as $value) { |
|
74
|
19 |
|
header("$header: $value", false); |
|
75
|
|
|
} |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
// Send HTTP Status-Line (must be sent after the headers). |
|
79
|
23 |
|
header(sprintf( |
|
80
|
23 |
|
'HTTP/%s %d %s', |
|
81
|
23 |
|
$response->getProtocolVersion(), |
|
82
|
23 |
|
$status, |
|
83
|
23 |
|
$response->getReasonPhrase(), |
|
84
|
23 |
|
), true, $status); |
|
85
|
|
|
|
|
86
|
23 |
|
if ($withoutBody) { |
|
87
|
11 |
|
return; |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
// Adds a `Content-Length` header if a body exists, and it has not been added before. |
|
91
|
12 |
|
if (!$withoutContentLength && !$response->hasHeader('Content-Length')) { |
|
92
|
10 |
|
$contentLength = $response |
|
93
|
10 |
|
->getBody() |
|
94
|
10 |
|
->getSize(); |
|
95
|
|
|
|
|
96
|
10 |
|
if ($contentLength !== null) { |
|
97
|
9 |
|
header("Content-Length: $contentLength", true); |
|
98
|
|
|
} |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
12 |
|
$this->emitBody($response); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
12 |
|
private function emitBody(ResponseInterface $response): void |
|
105
|
|
|
{ |
|
106
|
12 |
|
$body = $response->getBody(); |
|
107
|
|
|
|
|
108
|
12 |
|
if ($body->isSeekable()) { |
|
109
|
11 |
|
$body->rewind(); |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
12 |
|
$level = ob_get_level(); |
|
113
|
12 |
|
while (!$body->eof()) { |
|
114
|
11 |
|
$output = $body->read($this->bufferSize); |
|
115
|
11 |
|
if ($output === '') { |
|
116
|
1 |
|
continue; |
|
117
|
|
|
} |
|
118
|
11 |
|
echo $output; |
|
119
|
|
|
// flush the output buffer and send echoed messages to the browser |
|
120
|
11 |
|
while (ob_get_level() > $level) { |
|
121
|
|
|
ob_end_flush(); |
|
122
|
|
|
} |
|
123
|
11 |
|
flush(); |
|
124
|
|
|
} |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
23 |
|
private function shouldOutputBody(ResponseInterface $response): bool |
|
128
|
|
|
{ |
|
129
|
23 |
|
if (in_array($response->getStatusCode(), self::NO_BODY_RESPONSE_CODES, true)) { |
|
130
|
6 |
|
return false; |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
17 |
|
$body = $response->getBody(); |
|
134
|
|
|
|
|
135
|
17 |
|
if (!$body->isReadable()) { |
|
136
|
1 |
|
return false; |
|
137
|
|
|
} |
|
138
|
|
|
|
|
139
|
16 |
|
$size = $body->getSize(); |
|
140
|
|
|
|
|
141
|
16 |
|
if ($size !== null) { |
|
142
|
14 |
|
return $size > 0; |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
2 |
|
if ($body->isSeekable()) { |
|
146
|
1 |
|
$body->rewind(); |
|
147
|
1 |
|
$byte = $body->read(1); |
|
148
|
|
|
|
|
149
|
1 |
|
if ($byte === '' || $body->eof()) { |
|
150
|
1 |
|
return false; |
|
151
|
|
|
} |
|
152
|
|
|
} |
|
153
|
|
|
|
|
154
|
1 |
|
return true; |
|
155
|
|
|
} |
|
156
|
|
|
} |
|
157
|
|
|
|
yiisoft /
yii-runner-http
Loading history...