|
1
|
|
|
<?php |
|
2
|
|
|
namespace LunixREST; |
|
3
|
|
|
|
|
4
|
|
|
use LunixREST\RequestFactory\Exceptions\UnableToCreateRequestException; |
|
5
|
|
|
use LunixREST\Server\APIResponse\APIResponse; |
|
6
|
|
|
use LunixREST\Server\Exceptions\UnableToHandleRequestException; |
|
7
|
|
|
use LunixREST\RequestFactory\RequestFactory; |
|
8
|
|
|
use LunixREST\Server\Server; |
|
9
|
|
|
use Psr\Http\Message\ResponseInterface; |
|
10
|
|
|
use Psr\Http\Message\ServerRequestInterface; |
|
11
|
|
|
use Psr\Log\LoggerAwareTrait; |
|
12
|
|
|
use Psr\Log\LoggerInterface; |
|
13
|
|
|
use Psr\Log\LogLevel; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* A class that interfaces PSR-7 with our APIRequests and uses a Server to handle the APIRequest. Handles the PSR-7 response building as well. |
|
17
|
|
|
* Class HTTPServer |
|
18
|
|
|
* @package LunixREST |
|
19
|
|
|
*/ |
|
20
|
|
|
class HTTPServer |
|
21
|
|
|
{ |
|
22
|
|
|
use LoggerAwareTrait; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* @var Server |
|
26
|
|
|
*/ |
|
27
|
|
|
protected $server; |
|
28
|
|
|
/** |
|
29
|
|
|
* @var RequestFactory |
|
30
|
|
|
*/ |
|
31
|
|
|
protected $requestFactory; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* HTTPServer constructor. |
|
35
|
|
|
* @param Server $server |
|
36
|
|
|
* @param RequestFactory $requestFactory |
|
37
|
|
|
* @param LoggerInterface $logger |
|
38
|
|
|
*/ |
|
39
|
35 |
|
public function __construct(Server $server, RequestFactory $requestFactory, LoggerInterface $logger) |
|
40
|
|
|
{ |
|
41
|
35 |
|
$this->server = $server; |
|
42
|
35 |
|
$this->requestFactory = $requestFactory; |
|
43
|
35 |
|
$this->logger = $logger; |
|
44
|
35 |
|
} |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* Clones a response, changing contents based on the handling of a given request. |
|
48
|
|
|
* Taking in a response allows us not to define a specific response implementation to create. |
|
49
|
|
|
* @param ServerRequestInterface $serverRequest |
|
50
|
|
|
* @param ResponseInterface $response |
|
51
|
|
|
* @return ResponseInterface |
|
52
|
|
|
*/ |
|
53
|
35 |
|
public function handleRequest(ServerRequestInterface $serverRequest, ResponseInterface $response): ResponseInterface |
|
54
|
|
|
{ |
|
55
|
35 |
|
$response = $response->withProtocolVersion($serverRequest->getProtocolVersion()); |
|
56
|
|
|
|
|
57
|
|
|
try { |
|
58
|
|
|
try { |
|
59
|
35 |
|
$APIRequest = $this->requestFactory->create($serverRequest); |
|
60
|
6 |
|
} catch (UnableToCreateRequestException $exception) { |
|
61
|
3 |
|
return $this->handleRequestFactoryException($exception, $response); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
try { |
|
65
|
29 |
|
$APIResponse = $this->server->handleRequest($APIRequest); |
|
66
|
25 |
|
} catch (UnableToHandleRequestException $exception) { |
|
67
|
22 |
|
return $this->handleServerException($exception, $response); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
4 |
|
return $this->buildResponse($APIResponse, $response); |
|
71
|
7 |
|
} catch (\Throwable $e) { |
|
72
|
7 |
|
$this->logCaughtThrowableResultingInHTTPCode(500, $e, LogLevel::CRITICAL); |
|
73
|
7 |
|
return $response->withStatus(500, "Internal Server Error"); |
|
74
|
|
|
} |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* Takes an APIResponse and builds a PSR-7 Response |
|
79
|
|
|
* @param APIResponse $APIResponse |
|
80
|
|
|
* @param ResponseInterface $response |
|
81
|
|
|
* @return ResponseInterface |
|
82
|
|
|
*/ |
|
83
|
4 |
|
protected function buildResponse(APIResponse $APIResponse, ResponseInterface $response): ResponseInterface |
|
84
|
|
|
{ |
|
85
|
4 |
|
$response = $response->withStatus(200, "200 OK"); |
|
86
|
4 |
|
$response = $response->withAddedHeader("Content-Type", $APIResponse->getMIMEType()); |
|
87
|
4 |
|
$response = $response->withAddedHeader("Content-Length", $APIResponse->getAsDataStream()->getSize()); |
|
88
|
4 |
|
$this->logger->debug("Responding to request successfully"); |
|
89
|
4 |
|
return $response->withBody($APIResponse->getAsDataStream()); |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* @param UnableToCreateRequestException $exception |
|
94
|
|
|
* @param ResponseInterface $response |
|
95
|
|
|
* @return ResponseInterface |
|
96
|
|
|
*/ |
|
97
|
3 |
|
protected function handleRequestFactoryException(UnableToCreateRequestException $exception, ResponseInterface $response): ResponseInterface |
|
98
|
|
|
{ |
|
99
|
3 |
|
$this->logCaughtThrowableResultingInHTTPCode(400, $exception, LogLevel::INFO); |
|
100
|
3 |
|
return $response->withStatus(400, "Bad Request"); |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* @param UnableToHandleRequestException $exception |
|
105
|
|
|
* @param ResponseInterface $response |
|
106
|
|
|
* @return ResponseInterface |
|
107
|
|
|
*/ |
|
108
|
3 |
|
protected function handleServerException(UnableToHandleRequestException $exception, ResponseInterface $response): ResponseInterface |
|
109
|
|
|
{ |
|
110
|
3 |
|
$this->logCaughtThrowableResultingInHTTPCode(500, $exception, LogLevel::CRITICAL); |
|
111
|
3 |
|
return $response->withStatus(500, "Internal Server Error"); |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
/** |
|
115
|
|
|
* Dumps a PSR-7 ResponseInterface to the SAPI. |
|
116
|
|
|
* @param ResponseInterface $response |
|
117
|
|
|
*/ |
|
118
|
9 |
|
public static function dumpResponse(ResponseInterface $response) |
|
119
|
|
|
{ |
|
120
|
9 |
|
$statusLine = sprintf( |
|
121
|
9 |
|
"HTTP/%s %d %s", |
|
122
|
9 |
|
$response->getProtocolVersion(), |
|
123
|
9 |
|
$response->getStatusCode(), |
|
124
|
9 |
|
$response->getReasonPhrase() |
|
125
|
|
|
); |
|
126
|
|
|
|
|
127
|
9 |
|
header($statusLine, true, $response->getStatusCode()); |
|
128
|
|
|
|
|
129
|
9 |
|
foreach ($response->getHeaders() as $name => $values) { |
|
130
|
3 |
|
foreach ($values as $value) { |
|
131
|
3 |
|
header(sprintf('%s: %s', $name, $value), false); |
|
132
|
|
|
} |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
9 |
|
$body = $response->getBody(); |
|
136
|
9 |
|
while(!$body->eof()) { |
|
137
|
9 |
|
echo $body->read(1024); |
|
138
|
|
|
} |
|
139
|
9 |
|
} |
|
140
|
|
|
|
|
141
|
|
|
/** |
|
142
|
|
|
* @param int $code |
|
143
|
|
|
* @param \Throwable $exception |
|
144
|
|
|
* @param $level |
|
145
|
|
|
*/ |
|
146
|
32 |
|
protected function logCaughtThrowableResultingInHTTPCode(int $code, \Throwable $exception, $level): void |
|
147
|
|
|
{ |
|
148
|
32 |
|
$this->logger->log($level, "Returning HTTP {code}: {message}", ["code" => $code, "message" => $exception->getMessage()]); |
|
149
|
32 |
|
} |
|
150
|
|
|
} |
|
151
|
|
|
|
johnvandeweghe /
LunixREST
