|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Class URLExtractor |
|
4
|
|
|
* |
|
5
|
|
|
* @created 15.08.2019 |
|
6
|
|
|
* @author smiley <[email protected]> |
|
7
|
|
|
* @copyright 2019 smiley |
|
8
|
|
|
* @license MIT |
|
9
|
|
|
*/ |
|
10
|
|
|
|
|
11
|
|
|
namespace chillerlan\HTTP\Psr18; |
|
12
|
|
|
|
|
13
|
|
|
use chillerlan\HTTP\Psr17\RequestFactory; |
|
14
|
|
|
use chillerlan\HTTP\Psr7\Request; |
|
15
|
|
|
use Psr\Http\Client\ClientInterface; |
|
16
|
|
|
use Psr\Http\Message\{RequestFactoryInterface, RequestInterface, ResponseInterface}; |
|
17
|
|
|
|
|
18
|
|
|
use function in_array; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* A client that follows redirects until it reaches a non-30x response, e.g. to extract shortened URLs |
|
22
|
|
|
* |
|
23
|
|
|
* The given HTTP client needs to be set up accordingly: |
|
24
|
|
|
* |
|
25
|
|
|
* - CURLOPT_FOLLOWLOCATION must be set to false so that we can intercept the 30x responses |
|
26
|
|
|
* - CURLOPT_MAXREDIRS should be set to a value > 1 |
|
27
|
|
|
*/ |
|
28
|
|
|
class URLExtractor implements ClientInterface{ |
|
29
|
|
|
|
|
30
|
|
|
/** @var \Psr\Http\Message\ResponseInterface[] */ |
|
31
|
|
|
protected array $responses = []; |
|
32
|
|
|
|
|
33
|
|
|
protected ClientInterface $http; |
|
34
|
|
|
|
|
35
|
|
|
protected RequestFactoryInterface $requestFactory; |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* URLExtractor constructor. |
|
39
|
|
|
*/ |
|
40
|
|
|
public function __construct(ClientInterface $http, RequestFactoryInterface $requestFactory = null){ |
|
41
|
|
|
$this->http = $http; |
|
42
|
|
|
$this->requestFactory = $requestFactory ?? new RequestFactory; |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* @inheritDoc |
|
47
|
|
|
*/ |
|
48
|
|
|
public function sendRequest(RequestInterface $request):ResponseInterface{ |
|
49
|
|
|
|
|
50
|
|
|
do{ |
|
51
|
|
|
// fetch the response for the current request |
|
52
|
|
|
$response = $this->http->sendRequest($request); |
|
53
|
|
|
$this->responses[] = $response; |
|
54
|
|
|
// set up a new request to the location header of the last response |
|
55
|
|
|
$request = $this->requestFactory->createRequest($request->getMethod(), $response->getHeaderLine('location')); |
|
56
|
|
|
} |
|
57
|
|
|
while(in_array($response->getStatusCode(), [301, 302, 303, 307, 308], true)); |
|
58
|
|
|
|
|
59
|
|
|
return $response; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @return \Psr\Http\Message\ResponseInterface[] |
|
64
|
|
|
*/ |
|
65
|
|
|
public function getResponses():array{ |
|
66
|
|
|
return $this->responses; |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
} |
|
70
|
|
|
|
chillerlan /
php-httpinterface
