/usr/share/php/google-api-php-client/src/io/Google_IO.php is in php-google-api-php-client 0.6.7-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | <?php
/**
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
require_once 'io/Google_HttpRequest.php';
require_once 'io/Google_HttpStreamIO.php';
require_once 'io/Google_CurlIO.php';
require_once 'io/Google_REST.php';
/**
* Abstract IO class
*
* @author Chris Chabot <chabotc@google.com>
*/
abstract class Google_IO {
const CONNECTION_ESTABLISHED = "HTTP/1.0 200 Connection established\r\n\r\n";
const FORM_URLENCODED = 'application/x-www-form-urlencoded';
/**
* An utility function that first calls $this->auth->sign($request) and then executes makeRequest()
* on that signed request. Used for when a request should be authenticated
* @param Google_HttpRequest $request
* @return Google_HttpRequest $request
*/
abstract function authenticatedRequest(Google_HttpRequest $request);
/**
* Executes a apIHttpRequest and returns the resulting populated httpRequest
* @param Google_HttpRequest $request
* @return Google_HttpRequest $request
*/
abstract function makeRequest(Google_HttpRequest $request);
/**
* Set options that update the transport implementation's behavior.
* @param $options
*/
abstract function setOptions($options);
/**
* @visible for testing.
* Cache the response to an HTTP request if it is cacheable.
* @param Google_HttpRequest $request
* @return bool Returns true if the insertion was successful.
* Otherwise, return false.
*/
protected function setCachedRequest(Google_HttpRequest $request) {
// Determine if the request is cacheable.
if (Google_CacheParser::isResponseCacheable($request)) {
Google_Client::$cache->set($request->getCacheKey(), $request);
return true;
}
return false;
}
/**
* @visible for testing.
* @param Google_HttpRequest $request
* @return Google_HttpRequest|bool Returns the cached object or
* false if the operation was unsuccessful.
*/
protected function getCachedRequest(Google_HttpRequest $request) {
if (false == Google_CacheParser::isRequestCacheable($request)) {
false;
}
return Google_Client::$cache->get($request->getCacheKey());
}
/**
* @visible for testing
* Process an http request that contains an enclosed entity.
* @param Google_HttpRequest $request
* @return Google_HttpRequest Processed request with the enclosed entity.
*/
protected function processEntityRequest(Google_HttpRequest $request) {
$postBody = $request->getPostBody();
$contentType = $request->getRequestHeader("content-type");
// Set the default content-type as application/x-www-form-urlencoded.
if (false == $contentType) {
$contentType = self::FORM_URLENCODED;
$request->setRequestHeaders(array('content-type' => $contentType));
}
// Force the payload to match the content-type asserted in the header.
if ($contentType == self::FORM_URLENCODED && is_array($postBody)) {
$postBody = http_build_query($postBody, '', '&');
$request->setPostBody($postBody);
}
// Make sure the content-length header is set.
if (!$postBody || is_string($postBody)) {
$postsLength = strlen($postBody);
$request->setRequestHeaders(array('content-length' => $postsLength));
}
return $request;
}
/**
* Check if an already cached request must be revalidated, and if so update
* the request with the correct ETag headers.
* @param Google_HttpRequest $cached A previously cached response.
* @param Google_HttpRequest $request The outbound request.
* return bool If the cached object needs to be revalidated, false if it is
* still current and can be re-used.
*/
protected function checkMustRevaliadateCachedRequest($cached, $request) {
if (Google_CacheParser::mustRevalidate($cached)) {
$addHeaders = array();
if ($cached->getResponseHeader('etag')) {
// [13.3.4] If an entity tag has been provided by the origin server,
// we must use that entity tag in any cache-conditional request.
$addHeaders['If-None-Match'] = $cached->getResponseHeader('etag');
} elseif ($cached->getResponseHeader('date')) {
$addHeaders['If-Modified-Since'] = $cached->getResponseHeader('date');
}
$request->setRequestHeaders($addHeaders);
return true;
} else {
return false;
}
}
/**
* Update a cached request, using the headers from the last response.
* @param Google_HttpRequest $cached A previously cached response.
* @param mixed Associative array of response headers from the last request.
*/
protected function updateCachedRequest($cached, $responseHeaders) {
if (isset($responseHeaders['connection'])) {
$hopByHop = array_merge(
self::$HOP_BY_HOP,
explode(',', $responseHeaders['connection'])
);
$endToEnd = array();
foreach($hopByHop as $key) {
if (isset($responseHeaders[$key])) {
$endToEnd[$key] = $responseHeaders[$key];
}
}
$cached->setResponseHeaders($endToEnd);
}
}
}
|