|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* HTTP Proxy connection interface |
|
4
|
|
|
* |
|
5
|
|
|
* @package Requests |
|
6
|
|
|
* @subpackage Proxy |
|
7
|
|
|
* @since 1.6 |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
/** |
|
11
|
|
|
* HTTP Proxy connection interface |
|
12
|
|
|
* |
|
13
|
|
|
* Provides a handler for connection via an HTTP proxy |
|
14
|
|
|
* |
|
15
|
|
|
* @package Requests |
|
16
|
|
|
* @subpackage Proxy |
|
17
|
|
|
* @since 1.6 |
|
18
|
|
|
*/ |
|
19
|
|
|
class Requests_Proxy_HTTP implements Requests_Proxy { |
|
20
|
|
|
/** |
|
21
|
|
|
* Proxy host and port |
|
22
|
|
|
* |
|
23
|
|
|
* Notation: "host:port" (eg 127.0.0.1:8080 or someproxy.com:3128) |
|
24
|
|
|
* |
|
25
|
|
|
* @var string |
|
26
|
|
|
*/ |
|
27
|
|
|
public $proxy; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* Username |
|
31
|
|
|
* |
|
32
|
|
|
* @var string |
|
33
|
|
|
*/ |
|
34
|
|
|
public $user; |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* Password |
|
38
|
|
|
* |
|
39
|
|
|
* @var string |
|
40
|
|
|
*/ |
|
41
|
|
|
public $pass; |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* Do we need to authenticate? (ie username & password have been provided) |
|
45
|
|
|
* |
|
46
|
|
|
* @var boolean |
|
47
|
|
|
*/ |
|
48
|
|
|
public $use_authentication; |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* Constructor |
|
52
|
|
|
* |
|
53
|
|
|
* @since 1.6 |
|
54
|
|
|
* @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`) |
|
55
|
|
|
* @param array|null $args Array of user and password. Must have exactly two elements |
|
56
|
|
|
*/ |
|
57
|
|
|
public function __construct($args = null) { |
|
58
|
|
|
if (is_string($args)) { |
|
59
|
|
|
$this->proxy = $args; |
|
60
|
|
|
} |
|
61
|
|
|
elseif (is_array($args)) { |
|
62
|
|
|
if (count($args) === 1) { |
|
63
|
|
|
list($this->proxy) = $args; |
|
64
|
|
|
} |
|
65
|
|
|
elseif (count($args) === 3) { |
|
66
|
|
|
list($this->proxy, $this->user, $this->pass) = $args; |
|
67
|
|
|
$this->use_authentication = true; |
|
68
|
|
|
} |
|
69
|
|
|
else { |
|
70
|
|
|
throw new Requests_Exception('Invalid number of arguments', 'proxyhttpbadargs'); |
|
71
|
|
|
} |
|
72
|
|
|
} |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
/** |
|
76
|
|
|
* Register the necessary callbacks |
|
77
|
|
|
* |
|
78
|
|
|
* @since 1.6 |
|
79
|
|
|
* @see curl_before_send |
|
80
|
|
|
* @see fsockopen_remote_socket |
|
81
|
|
|
* @see fsockopen_remote_host_path |
|
82
|
|
|
* @see fsockopen_header |
|
83
|
|
|
* @param Requests_Hooks $hooks Hook system |
|
84
|
|
|
*/ |
|
85
|
|
|
public function register(Requests_Hooks $hooks) { |
|
86
|
|
|
$hooks->register('curl.before_send', array($this, 'curl_before_send')); |
|
87
|
|
|
|
|
88
|
|
|
$hooks->register('fsockopen.remote_socket', array($this, 'fsockopen_remote_socket')); |
|
89
|
|
|
$hooks->register('fsockopen.remote_host_path', array($this, 'fsockopen_remote_host_path')); |
|
90
|
|
|
if ($this->use_authentication) { |
|
91
|
|
|
$hooks->register('fsockopen.after_headers', array($this, 'fsockopen_header')); |
|
92
|
|
|
} |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* Set cURL parameters before the data is sent |
|
97
|
|
|
* |
|
98
|
|
|
* @since 1.6 |
|
99
|
|
|
* @param resource $handle cURL resource |
|
100
|
|
|
*/ |
|
101
|
|
|
public function curl_before_send(&$handle) { |
|
102
|
|
|
curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP); |
|
103
|
|
|
curl_setopt($handle, CURLOPT_PROXY, $this->proxy); |
|
104
|
|
|
|
|
105
|
|
|
if ($this->use_authentication) { |
|
106
|
|
|
curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY); |
|
107
|
|
|
curl_setopt($handle, CURLOPT_PROXYUSERPWD, $this->get_auth_string()); |
|
108
|
|
|
} |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
|
|
/** |
|
112
|
|
|
* Alter remote socket information before opening socket connection |
|
113
|
|
|
* |
|
114
|
|
|
* @since 1.6 |
|
115
|
|
|
* @param string $remote_socket Socket connection string |
|
116
|
|
|
*/ |
|
117
|
|
|
public function fsockopen_remote_socket(&$remote_socket) { |
|
118
|
|
|
$remote_socket = $this->proxy; |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
/** |
|
122
|
|
|
* Alter remote path before getting stream data |
|
123
|
|
|
* |
|
124
|
|
|
* @since 1.6 |
|
125
|
|
|
* @param string $path Path to send in HTTP request string ("GET ...") |
|
126
|
|
|
* @param string $url Full URL we're requesting |
|
127
|
|
|
*/ |
|
128
|
|
|
public function fsockopen_remote_host_path(&$path, $url) { |
|
129
|
|
|
$path = $url; |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
|
|
/** |
|
133
|
|
|
* Add extra headers to the request before sending |
|
134
|
|
|
* |
|
135
|
|
|
* @since 1.6 |
|
136
|
|
|
* @param string $out HTTP header string |
|
137
|
|
|
*/ |
|
138
|
|
|
public function fsockopen_header(&$out) { |
|
139
|
|
|
$out .= sprintf("Proxy-Authorization: Basic %s\r\n", base64_encode($this->get_auth_string())); |
|
140
|
|
|
} |
|
141
|
|
|
|
|
142
|
|
|
/** |
|
143
|
|
|
* Get the authentication string (user:pass) |
|
144
|
|
|
* |
|
145
|
|
|
* @since 1.6 |
|
146
|
|
|
* @return string |
|
147
|
|
|
*/ |
|
148
|
|
|
public function get_auth_string() { |
|
149
|
|
|
return $this->user . ':' . $this->pass; |
|
150
|
|
|
} |
|
151
|
|
|
} |
|
152
|
|
|
|
rmccue /
Requests
