1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
namespace WyriHaximus\React\Http\Middleware; |
6
|
|
|
|
7
|
|
|
use Psr\Http\Message\ResponseInterface; |
8
|
|
|
use Psr\Http\Message\ServerRequestInterface; |
9
|
|
|
use React\Promise\PromiseInterface; |
10
|
|
|
|
11
|
|
|
use function array_keys; |
12
|
|
|
use function count; |
13
|
|
|
use function random_int; |
14
|
|
|
use function React\Promise\resolve; |
15
|
|
|
|
16
|
|
|
use const WyriHaximus\Constants\Numeric\ONE; |
|
|
|
|
17
|
|
|
use const WyriHaximus\Constants\Numeric\TWO; |
|
|
|
|
18
|
|
|
use const WyriHaximus\Constants\Numeric\ZERO; |
|
|
|
|
19
|
|
|
|
20
|
1 |
|
final class WithRandomHeadersMiddleware |
21
|
|
|
{ |
22
|
1 |
|
/** @var Header[] */ |
23
|
1 |
|
private array $headers; |
24
|
1 |
|
|
25
|
|
|
private int $minimum = TWO; |
26
|
1 |
|
|
27
|
1 |
|
private int $maximum = TWO; |
28
|
|
|
|
29
|
|
|
public function __construct(Header ...$headers) |
30
|
1 |
|
{ |
31
|
|
|
$this->headers = $headers; |
32
|
|
|
} |
33
|
1 |
|
|
34
|
|
|
public function withMinimum(int $minimum): self |
35
|
|
|
{ |
36
|
1 |
|
$clone = clone $this; |
37
|
|
|
$clone->minimum = $minimum; |
38
|
|
|
$clone->enforceMinimumMaximum(); |
39
|
|
|
|
40
|
1 |
|
return $clone; |
41
|
1 |
|
} |
42
|
1 |
|
|
43
|
1 |
|
public function withMaximum(int $maximum): self |
44
|
1 |
|
{ |
45
|
1 |
|
$clone = clone $this; |
46
|
1 |
|
$clone->maximum = $maximum; |
47
|
1 |
|
$clone->enforceMinimumMaximum(); |
48
|
|
|
|
49
|
|
|
return $clone; |
50
|
1 |
|
} |
51
|
1 |
|
|
52
|
|
|
public function __invoke(ServerRequestInterface $request, callable $next): PromiseInterface |
53
|
|
|
{ |
54
|
|
|
return resolve($next($request))->then(function (ResponseInterface $response): ResponseInterface { |
55
|
|
|
$count = random_int($this->minimum, $this->maximum); |
56
|
|
|
$headers = $this->headers; |
57
|
|
|
for ($i = ZERO; $i < $count; $i++) { |
58
|
|
|
$randomizer = array_keys($headers); |
59
|
|
|
$header = $randomizer[random_int(ZERO, count($headers) - ONE)]; |
60
|
|
|
$response = $response->withHeader($headers[$header]->name(), $headers[$header]->contents()); |
61
|
|
|
unset($headers[$header]); |
62
|
|
|
} |
63
|
|
|
|
64
|
|
|
return $response; |
65
|
|
|
}); |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
// phpcs:disable |
69
|
|
|
private function enforceMinimumMaximum(): void |
70
|
|
|
{ |
71
|
|
|
$headersCount = count($this->headers); |
72
|
|
|
if ($this->minimum > $headersCount) { |
73
|
|
|
$this->minimum = $headersCount; |
74
|
|
|
} |
75
|
|
|
|
76
|
|
|
if ($this->maximum > $headersCount) { |
77
|
|
|
$this->maximum = $headersCount; |
78
|
|
|
} |
79
|
|
|
|
80
|
|
|
if ($this->maximum >= $this->minimum) { |
81
|
|
|
return; |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
$this->maximum = $this->minimum; |
85
|
|
|
} |
86
|
|
|
} |
87
|
|
|
|