authorizer / inc / google-api-php-client / src / Google / IO / Curl.php

Curl.php in Authorizer 2.2, at inc/google-api-php-client/src/Google/IO/Curl.php

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1	<?php
2	/*
3	* Copyright 2014 Google Inc.
4	*
5	* Licensed under the Apache License, Version 2.0 (the "License");
6	* you may not use this file except in compliance with the License.
7	* You may obtain a copy of the License at
8	*
9	* http://www.apache.org/licenses/LICENSE-2.0
10	*
11	* Unless required by applicable law or agreed to in writing, software
12	* distributed under the License is distributed on an "AS IS" BASIS,
13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14	* See the License for the specific language governing permissions and
15	* limitations under the License.
16	*/
17
18	/**
19	* Curl based implementation of Google_IO.
20	*
21	* @author Stuart Langley <slangley@google.com>
22	*/
23
24	require_once 'Google/IO/Abstract.php';
25
26	class Google_IO_Curl extends Google_IO_Abstract
27	{
28	// cURL hex representation of version 7.30.0
29	const NO_QUIRK_VERSION = 0x071E00;
30
31	private $options = array();
32	/**
33	* Execute an HTTP Request
34	*
35	* @param Google_HttpRequest $request the http request to be executed
36	* @return Google_HttpRequest http request with the response http code,
37	* response headers and response body filled in
38	* @throws Google_IO_Exception on curl or IO error
39	*/
40	public function executeRequest(Google_Http_Request $request)
41	{
42	$curl = curl_init();
43
44	if ($request->getPostBody()) {
45	curl_setopt($curl, CURLOPT_POSTFIELDS, $request->getPostBody());
46	}
47
48	$requestHeaders = $request->getRequestHeaders();
49	if ($requestHeaders && is_array($requestHeaders)) {
50	$curlHeaders = array();
51	foreach ($requestHeaders as $k => $v) {
52	$curlHeaders[] = "$k: $v";
53	}
54	curl_setopt($curl, CURLOPT_HTTPHEADER, $curlHeaders);
55	}
56
57	curl_setopt($curl, CURLOPT_URL, $request->getUrl());
58
59	curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $request->getRequestMethod());
60	curl_setopt($curl, CURLOPT_USERAGENT, $request->getUserAgent());
61
62	curl_setopt($curl, CURLOPT_FOLLOWLOCATION, false);
63	curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
64	curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
65	curl_setopt($curl, CURLOPT_HEADER, true);
66
67	if ($request->canGzip()) {
68	curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
69	}
70
71	foreach ($this->options as $key => $var) {
72	curl_setopt($curl, $key, $var);
73	}
74
75	if (!isset($this->options[CURLOPT_CAINFO])) {
76	curl_setopt($curl, CURLOPT_CAINFO, dirname(__FILE__) . '/cacerts.pem');
77	}
78
79	$response = curl_exec($curl);
80	if ($response === false) {
81	throw new Google_IO_Exception(curl_error($curl));
82	}
83	$headerSize = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
84
85	list($responseHeaders, $responseBody) = $this->parseHttpResponse($response, $headerSize);
86
87	$responseCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
88
89	return array($responseBody, $responseHeaders, $responseCode);
90	}
91
92	/**
93	* Set options that update the transport implementation's behavior.
94	* @param $options
95	*/
96	public function setOptions($options)
97	{
98	$this->options = $options + $this->options;
99	}
100
101	/**
102	* Set the maximum request time in seconds.
103	* @param $timeout in seconds
104	*/
105	public function setTimeout($timeout)
106	{
107	// Since this timeout is really for putting a bound on the time
108	// we'll set them both to the same. If you need to specify a longer
109	// CURLOPT_TIMEOUT, or a tigher CONNECTTIMEOUT, the best thing to
110	// do is use the setOptions method for the values individually.
111	$this->options[CURLOPT_CONNECTTIMEOUT] = $timeout;
112	$this->options[CURLOPT_TIMEOUT] = $timeout;
113	}
114
115	/**
116	* Get the maximum request time in seconds.
117	* @return timeout in seconds
118	*/
119	public function getTimeout()
120	{
121	return $this->options[CURLOPT_TIMEOUT];
122	}
123
124	/**
125	* Test for the presence of a cURL header processing bug
126	*
127	* {@inheritDoc}
128	*
129	* @return boolean
130	*/
131	protected function needsQuirk()
132	{
133	$ver = curl_version();
134	$versionNum = $ver['version_number'];
135	return $versionNum < Google_IO_Curl::NO_QUIRK_VERSION;
136	}
137	}
138