File "Google_HttpRequest.php"
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MIME-type: text/x-php
Charset: utf-8
<?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.
*/
/**
* HTTP Request to be executed by apiIO classes. Upon execution, the
* responseHttpCode, responseHeaders and responseBody will be filled in.
*
* @author Chris Chabot <chabotc@google.com>
* @author Chirag Shah <chirags@google.com>
*
*/
class Google_HttpRequest {
const USER_AGENT_SUFFIX = "google-api-php-client/0.6.5";
private $batchHeaders = array(
'Content-Type' => 'application/http',
'Content-Transfer-Encoding' => 'binary',
'MIME-Version' => '1.0',
'Content-Length' => ''
);
protected $url;
protected $requestMethod;
protected $requestHeaders;
protected $postBody;
protected $userAgent;
protected $responseHttpCode;
protected $responseHeaders;
protected $responseBody;
public $accessKey;
public function __construct($url, $method = 'GET', $headers = array(), $postBody = null) {
$this->setUrl($url);
$this->setRequestMethod($method);
$this->setRequestHeaders($headers);
$this->setPostBody($postBody);
global $apiConfig;
if (empty($apiConfig['application_name'])) {
$this->userAgent = self::USER_AGENT_SUFFIX;
} else {
$this->userAgent = $apiConfig['application_name'] . " " . self::USER_AGENT_SUFFIX;
}
}
/**
* Misc function that returns the base url component of the $url
* used by the OAuth signing class to calculate the base string
* @return string The base url component of the $url.
* @see http://oauth.net/core/1.0a/#anchor13
*/
public function getBaseUrl() {
if ($pos = strpos($this->url, '?')) {
return substr($this->url, 0, $pos);
}
return $this->url;
}
/**
* Misc function that returns an array of the query parameters of the current
* url used by the OAuth signing class to calculate the signature
* @return array Query parameters in the query string.
*/
public function getQueryParams() {
if ($pos = strpos($this->url, '?')) {
$queryStr = substr($this->url, $pos + 1);
$params = array();
parse_str($queryStr, $params);
return $params;
}
return array();
}
/**
* @return string HTTP Response Code.
*/
public function getResponseHttpCode() {
return (int) $this->responseHttpCode;
}
/**
* @param int $responseHttpCode HTTP Response Code.
*/
public function setResponseHttpCode($responseHttpCode) {
$this->responseHttpCode = $responseHttpCode;
}
/**
* @return $responseHeaders (array) HTTP Response Headers.
*/
public function getResponseHeaders() {
return $this->responseHeaders;
}
/**
* @return string HTTP Response Body
*/
public function getResponseBody() {
return $this->responseBody;
}
/**
* @param array $headers The HTTP response headers
* to be normalized.
*/
public function setResponseHeaders($headers) {
$headers = Google_Utils::normalize($headers);
if ($this->responseHeaders) {
$headers = array_merge($this->responseHeaders, $headers);
}
$this->responseHeaders = $headers;
}
/**
* @param string $key
* @return array|boolean Returns the requested HTTP header or
* false if unavailable.
*/
public function getResponseHeader($key) {
return isset($this->responseHeaders[$key])
? $this->responseHeaders[$key]
: false;
}
/**
* @param string $responseBody The HTTP response body.
*/
public function setResponseBody($responseBody) {
$this->responseBody = $responseBody;
}
/**
* @return string $url The request URL.
*/
public function getUrl() {
return $this->url;
}
/**
* @return string $method HTTP Request Method.
*/
public function getRequestMethod() {
return $this->requestMethod;
}
/**
* @return array $headers HTTP Request Headers.
*/
public function getRequestHeaders() {
return $this->requestHeaders;
}
/**
* @param string $key
* @return array|boolean Returns the requested HTTP header or
* false if unavailable.
*/
public function getRequestHeader($key) {
return isset($this->requestHeaders[$key])
? $this->requestHeaders[$key]
: false;
}
/**
* @return string $postBody HTTP Request Body.
*/
public function getPostBody() {
return $this->postBody;
}
/**
* @param string $url the url to set
*/
public function setUrl($url) {
if (substr($url, 0, 4) == 'http') {
$this->url = $url;
} else {
// Force the path become relative.
if (substr($url, 0, 1) !== '/') {
$url = '/' . $url;
}
global $apiConfig;
$this->url = $apiConfig['basePath'] . $url;
}
}
/**
* @param string $method Set he HTTP Method and normalize
* it to upper-case, as required by HTTP.
*
*/
public function setRequestMethod($method) {
$this->requestMethod = strtoupper($method);
}
/**
* @param array $headers The HTTP request headers
* to be set and normalized.
*/
public function setRequestHeaders($headers) {
$headers = Google_Utils::normalize($headers);
if ($this->requestHeaders) {
$headers = array_merge($this->requestHeaders, $headers);
}
$this->requestHeaders = $headers;
}
/**
* @param string $postBody the postBody to set
*/
public function setPostBody($postBody) {
$this->postBody = $postBody;
}
/**
* Set the User-Agent Header.
* @param string $userAgent The User-Agent.
*/
public function setUserAgent($userAgent) {
$this->userAgent = $userAgent;
}
/**
* @return string The User-Agent.
*/
public function getUserAgent() {
return $this->userAgent;
}
/**
* Returns a cache key depending on if this was an OAuth signed request
* in which case it will use the non-signed url and access key to make this
* cache key unique per authenticated user, else use the plain request url
* @return string The md5 hash of the request cache key.
*/
public function getCacheKey() {
$key = $this->getUrl();
if (isset($this->accessKey)) {
$key .= $this->accessKey;
}
if (isset($this->requestHeaders['authorization'])) {
$key .= $this->requestHeaders['authorization'];
}
return md5($key);
}
public function getParsedCacheControl() {
$parsed = array();
$rawCacheControl = $this->getResponseHeader('cache-control');
if ($rawCacheControl) {
$rawCacheControl = str_replace(', ', '&', $rawCacheControl);
parse_str($rawCacheControl, $parsed);
}
return $parsed;
}
/**
* @param string $id
* @return string A string representation of the HTTP Request.
*/
public function toBatchString($id) {
$str = '';
foreach($this->batchHeaders as $key => $val) {
$str .= $key . ': ' . $val . "\n";
}
$str .= "Content-ID: $id\n";
$str .= "\n";
$path = parse_url($this->getUrl(), PHP_URL_PATH);
$str .= $this->getRequestMethod() . ' ' . $path . " HTTP/1.1\n";
foreach($this->getRequestHeaders() as $key => $val) {
$str .= $key . ': ' . $val . "\n";
}
if ($this->getPostBody()) {
$str .= "\n";
$str .= $this->getPostBody();
}
return $str;
}
}