|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace GraphQL\Upload; |
|
6
|
|
|
|
|
7
|
|
|
use GraphQL\Error\InvariantViolation; |
|
8
|
|
|
use GraphQL\Server\RequestError; |
|
9
|
|
|
use GraphQL\Utils\Utils; |
|
10
|
|
|
use Interop\Http\Server\MiddlewareInterface; |
|
11
|
|
|
use Interop\Http\Server\RequestHandlerInterface; |
|
12
|
|
|
use Psr\Http\Message\ResponseInterface; |
|
13
|
|
|
use Psr\Http\Message\ServerRequestInterface; |
|
14
|
|
|
|
|
15
|
|
|
class UploadMiddleware implements MiddlewareInterface |
|
16
|
|
|
{ |
|
17
|
1 |
|
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
|
18
|
|
|
{ |
|
19
|
1 |
|
$request = $this->processRequest($request); |
|
20
|
|
|
|
|
21
|
1 |
|
return $handler->handle($request); |
|
22
|
|
|
} |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* Process the request and return either a modified request or the original one |
|
26
|
|
|
* |
|
27
|
|
|
* @param ServerRequestInterface $request |
|
28
|
|
|
* |
|
29
|
|
|
* @return ServerRequestInterface |
|
30
|
|
|
*/ |
|
31
|
9 |
|
public function processRequest(ServerRequestInterface $request): ServerRequestInterface |
|
32
|
|
|
{ |
|
33
|
9 |
|
$contentType = $request->getHeader('content-type')[0] ?? ''; |
|
34
|
|
|
|
|
35
|
9 |
|
if (mb_stripos($contentType, 'multipart/form-data') !== false) { |
|
36
|
7 |
|
$this->validateParsedBody($request); |
|
37
|
4 |
|
$request = $this->parseUploadedFiles($request); |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
5 |
|
return $request; |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* Inject uploaded files defined in the 'map' key into the 'variables' key |
|
45
|
|
|
* |
|
46
|
|
|
* @param ServerRequestInterface $request |
|
47
|
|
|
* |
|
48
|
|
|
* @return ServerRequestInterface |
|
49
|
|
|
*/ |
|
50
|
4 |
|
private function parseUploadedFiles(ServerRequestInterface $request): ServerRequestInterface |
|
51
|
|
|
{ |
|
52
|
4 |
|
$bodyParams = $request->getParsedBody(); |
|
53
|
4 |
|
if (!isset($bodyParams['map'])) { |
|
54
|
1 |
|
throw new RequestError('The request must define a `map`'); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
3 |
|
$map = json_decode($bodyParams['map'], true); |
|
58
|
3 |
|
$result = json_decode($bodyParams['operations'], true); |
|
59
|
3 |
|
$result['operation'] = $result['operationName']; |
|
60
|
3 |
|
unset($result['operationName']); |
|
61
|
|
|
|
|
62
|
3 |
|
foreach ($map as $fileKey => $locations) { |
|
63
|
2 |
|
foreach ($locations as $location) { |
|
64
|
2 |
|
$items = &$result; |
|
65
|
2 |
|
foreach (explode('.', $location) as $key) { |
|
66
|
2 |
|
if (!isset($items[$key]) || !is_array($items[$key])) { |
|
67
|
2 |
|
$items[$key] = []; |
|
68
|
|
|
} |
|
69
|
2 |
|
$items = &$items[$key]; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
2 |
|
$items = $request->getUploadedFiles()[$fileKey]; |
|
73
|
|
|
} |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
return $request |
|
77
|
3 |
|
->withHeader('content-type', 'application/json') |
|
78
|
3 |
|
->withParsedBody($result); |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
/** |
|
82
|
|
|
* Validates that the request meet our expectations |
|
83
|
|
|
* |
|
84
|
|
|
* @param ServerRequestInterface $request |
|
85
|
|
|
*/ |
|
86
|
7 |
|
private function validateParsedBody(ServerRequestInterface $request): void |
|
87
|
|
|
{ |
|
88
|
7 |
|
$bodyParams = $request->getParsedBody(); |
|
89
|
|
|
|
|
90
|
7 |
|
if (null === $bodyParams) { |
|
91
|
1 |
|
throw new InvariantViolation( |
|
92
|
1 |
|
'PSR-7 request is expected to provide parsed body for "multipart/form-data" requests but got null' |
|
93
|
|
|
); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
6 |
|
if (!is_array($bodyParams)) { |
|
97
|
1 |
|
throw new RequestError( |
|
98
|
1 |
|
'GraphQL Server expects JSON object or array, but got ' . Utils::printSafeJson($bodyParams) |
|
99
|
|
|
); |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
5 |
|
if (empty($bodyParams)) { |
|
103
|
1 |
|
throw new InvariantViolation( |
|
104
|
1 |
|
'PSR-7 request is expected to provide parsed body for "multipart/form-data" requests but got empty array' |
|
105
|
|
|
); |
|
106
|
|
|
} |
|
107
|
4 |
|
} |
|
108
|
|
|
} |
|
109
|
|
|
|
Ecodev /
graphql-upload
