|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of the Veslo project <https://github.com/symfony-doge/veslo>. |
|
5
|
|
|
* |
|
6
|
|
|
* (C) 2019 Pavel Petrov <[email protected]>. |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
9
|
|
|
* file that was distributed with this source code. |
|
10
|
|
|
* |
|
11
|
|
|
* @license https://opensource.org/licenses/GPL-3.0 GPL-3.0 |
|
12
|
|
|
*/ |
|
13
|
|
|
|
|
14
|
|
|
declare(strict_types=1); |
|
15
|
|
|
|
|
16
|
|
|
namespace Veslo\AppBundle\Http\Proxy\Manager; |
|
17
|
|
|
|
|
18
|
|
|
use Veslo\AppBundle\Exception\Http\ProxyNotFoundException; |
|
19
|
|
|
use Veslo\AppBundle\Http\Proxy\LocatorInterface; |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* Provides a proxy for http requests |
|
23
|
|
|
*/ |
|
24
|
|
|
class Alfred |
|
25
|
|
|
{ |
|
26
|
|
|
/** |
|
27
|
|
|
* Provides a list with available proxies for http requests |
|
28
|
|
|
* |
|
29
|
|
|
* @var LocatorInterface |
|
30
|
|
|
*/ |
|
31
|
|
|
private $proxyLocator; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* Alfred constructor. |
|
35
|
|
|
* |
|
36
|
|
|
* @param LocatorInterface $proxyLocator Uses a simple array node from configuration file to provide proxy list |
|
37
|
|
|
*/ |
|
38
|
|
|
public function __construct(LocatorInterface $proxyLocator) |
|
39
|
|
|
{ |
|
40
|
|
|
$this->proxyLocator = $proxyLocator; |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* Returns proxy for http requests |
|
45
|
|
|
* |
|
46
|
|
|
* @return string |
|
47
|
|
|
* |
|
48
|
|
|
* @throws ProxyNotFoundException |
|
49
|
|
|
*/ |
|
50
|
|
|
public function getProxy(): string |
|
51
|
|
|
{ |
|
52
|
|
|
$numericProxyList = $this->resolveProxyList(); |
|
53
|
|
|
|
|
54
|
|
|
if (0 >= count($numericProxyList)) { |
|
55
|
|
|
throw new ProxyNotFoundException(); |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
$randomIndex = mt_rand(0, count($numericProxyList) - 1); |
|
59
|
|
|
$proxy = $numericProxyList[$randomIndex]; |
|
60
|
|
|
|
|
61
|
|
|
return $proxy; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* Returns numeric array with all available proxies |
|
66
|
|
|
* |
|
67
|
|
|
* @return string[] |
|
68
|
|
|
*/ |
|
69
|
|
|
private function resolveProxyList(): array |
|
70
|
|
|
{ |
|
71
|
|
|
$proxyList = $this->proxyLocator->locate(); // iterable |
|
72
|
|
|
$numericProxyList = []; |
|
73
|
|
|
|
|
74
|
|
|
foreach ($proxyList as $proxyUri) { |
|
75
|
|
|
$numericProxyList[] = $proxyUri; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
return $numericProxyList; |
|
79
|
|
|
} |
|
80
|
|
|
} |
|
81
|
|
|
|
symfony-doge /
veslo
