1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
n<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Utility class for wrapping Curl
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category HTTP
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
define(CURLCLIENT_VERSION, "0.1");
/**
* Wrapper for Curl
*
* Makes Curl HTTP client calls within our HTTPClient framework
*
* @category HTTP
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class CurlClient extends HTTPClient
{
function __construct()
{
}
function head($url, $headers=null)
{
$ch = curl_init($url);
$this->setup($ch);
curl_setopt_array($ch,
array(CURLOPT_NOBODY => true));
if (!is_null($headers)) {
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
}
$result = curl_exec($ch);
curl_close($ch);
return $this->parseResults($result);
}
function get($url, $headers=null)
{
$ch = curl_init($url);
$this->setup($ch);
if (!is_null($headers)) {
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
}
$result = curl_exec($ch);
curl_close($ch);
return $this->parseResults($result);
}
function post($url, $headers=null, $body=null)
{
$ch = curl_init($url);
$this->setup($ch);
curl_setopt($ch, CURLOPT_POST, true);
if (!is_null($body)) {
curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
}
if (!is_null($headers)) {
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
}
$result = curl_exec($ch);
curl_close($ch);
return $this->parseResults($result);
}
function setup($ch)
{
curl_setopt_array($ch,
array(CURLOPT_USERAGENT => $this->userAgent(),
CURLOPT_HEADER => true,
CURLOPT_RETURNTRANSFER => true));
}
function userAgent()
{
$version = curl_version();
return parent::userAgent() . " CurlClient/".CURLCLIENT_VERSION . " cURL/" . $version['version'];
}
function parseResults($results)
{
$resp = new HTTPResponse();
$lines = explode("\r\n", $results);
if (preg_match("#^HTTP/1.[01] (\d\d\d) .+$#", $lines[0], $match)) {
$resp->code = $match[1];
} else {
throw Exception("Bad format: initial line is not HTTP status line");
}
$lastk = null;
for ($i = 1; $i < count($lines); $i++) {
$l =& $lines[$i];
if (mb_strlen($l) == 0) {
$resp->body = implode("\r\n", array_slice($lines, $i + 1));
break;
}
if (preg_match("#^(\S+):\s+(.*)$#", $l, $match)) {
$k = $match[1];
$v = $match[2];
if (array_key_exists($k, $resp->headers)) {
if (is_array($resp->headers[$k])) {
$resp->headers[$k][] = $v;
} else {
$resp->headers[$k] = array($resp->headers[$k], $v);
}
} else {
$resp->headers[$k] = $v;
}
$lastk = $k;
} else if (preg_match("#^\s+(.*)$#", $l, $match)) {
// continuation line
if (is_null($lastk)) {
throw Exception("Bad format: initial whitespace in headers");
}
$h =& $resp->headers[$lastk];
if (is_array($h)) {
$n = count($h);
$h[$n-1] .= $match[1];
} else {
$h .= $match[1];
}
}
}
return $resp;
}
}
|
