StreamRequestPayloadMiddleware.php
2.44 KB
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
<?php
namespace NF_FU_VENDOR\Aws;
use NF_FU_VENDOR\Aws\Api\Service;
use NF_FU_VENDOR\Aws\Exception\IncalculablePayloadException;
use NF_FU_VENDOR\Psr\Http\Message\RequestInterface;
/**
* @internal
*/
class StreamRequestPayloadMiddleware
{
private $nextHandler;
private $service;
/**
* Create a middleware wrapper function
*
* @param Service $service
* @return \Closure
*/
public static function wrap(Service $service)
{
return function (callable $handler) use($service) {
return new self($handler, $service);
};
}
public function __construct(callable $nextHandler, Service $service)
{
$this->nextHandler = $nextHandler;
$this->service = $service;
}
public function __invoke(CommandInterface $command, RequestInterface $request)
{
$nextHandler = $this->nextHandler;
$operation = $this->service->getOperation($command->getName());
$contentLength = $request->getHeader('content-length');
$hasStreaming = \false;
$requiresLength = \false;
// Check if any present input member is a stream and requires the
// content length
foreach ($operation->getInput()->getMembers() as $name => $member) {
if (!empty($member['streaming']) && isset($command[$name])) {
$hasStreaming = \true;
if (!empty($member['requiresLength'])) {
$requiresLength = \true;
}
}
}
if ($hasStreaming) {
// Add 'transfer-encoding' header if payload size not required to
// to be calculated and not already known
if (empty($requiresLength) && empty($contentLength) && isset($operation['authtype']) && $operation['authtype'] == 'v4-unsigned-body') {
$request = $request->withHeader('transfer-encoding', 'chunked');
// Otherwise, make sure 'content-length' header is added
} else {
if (empty($contentLength)) {
$size = $request->getBody()->getSize();
if (\is_null($size)) {
throw new IncalculablePayloadException('Payload' . ' content length is required and can not be' . ' calculated.');
}
$request = $request->withHeader('content-length', $size);
}
}
}
return $nextHandler($command, $request);
}
}