/**
* Check if an HTTP request can be cached by a private local cache.
*
* @static
* @param Google_Http_Request $resp
* @return bool True if the request is cacheable.
* False if the request is uncacheable.
*/
public static function isRequestCacheable(Google_Http_Request $resp)
{
$method = $resp->getRequestMethod();
if (!in_array($method, self::$CACHEABLE_HTTP_METHODS)) {
return false;
}
// Don't cache authorized requests/responses.
// [rfc2616-14.8] When a shared cache receives a request containing an
// Authorization field, it MUST NOT return the corresponding response
// as a reply to any other request...
if ($resp->getRequestHeader("authorization")) {
return false;
}
return true;
}
/**
* Execute an HTTP Request
*
* @param Google_HttpRequest $request the http request to be executed
* @return Google_HttpRequest http request with the response http code,
* response headers and response body filled in
* @throws Google_IO_Exception on curl or IO error
*/
public function executeRequest(Google_Http_Request $request)
{
$curl = curl_init();
if ($request->getPostBody()) {
curl_setopt($curl, CURLOPT_POSTFIELDS, $request->getPostBody());
}
$requestHeaders = $request->getRequestHeaders();
if ($requestHeaders && is_array($requestHeaders)) {
$curlHeaders = array();
foreach ($requestHeaders as $k => $v) {
$curlHeaders[] = "{$k}: {$v}";
}
curl_setopt($curl, CURLOPT_HTTPHEADER, $curlHeaders);
}
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $request->getRequestMethod());
curl_setopt($curl, CURLOPT_USERAGENT, $request->getUserAgent());
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HEADER, true);
curl_setopt($curl, CURLOPT_URL, $request->getUrl());
if ($request->canGzip()) {
curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
}
foreach ($this->options as $key => $var) {
curl_setopt($curl, $key, $var);
}
if (!isset($this->options[CURLOPT_CAINFO])) {
curl_setopt($curl, CURLOPT_CAINFO, dirname(__FILE__) . '/cacerts.pem');
}
$response = curl_exec($curl);
if ($response === false) {
throw new Google_IO_Exception(curl_error($curl));
}
$headerSize = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
$responseBody = substr($response, $headerSize);
$responseHeaderString = substr($response, 0, $headerSize);
$responseHeaders = $this->getHttpResponseHeaders($responseHeaderString);
$responseCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
return array($responseBody, $responseHeaders, $responseCode);
}
/**
* Decode an HTTP Response.
* @static
* @throws Google_Service_Exception
* @param Google_Http_Request $response The http response to be decoded.
* @return mixed|null
*/
public static function decodeHttpResponse($response)
{
$code = $response->getResponseHttpCode();
$body = $response->getResponseBody();
$decoded = null;
if (intVal($code) >= 300) {
$decoded = json_decode($body, true);
$err = 'Error calling ' . $response->getRequestMethod() . ' ' . $response->getUrl();
if (isset($decoded['error']) && isset($decoded['error']['message']) && isset($decoded['error']['code'])) {
// if we're getting a json encoded error definition, use that instead of the raw response
// body for improved readability
$err .= ": ({$decoded['error']['code']}) {$decoded['error']['message']}";
} else {
$err .= ": ({$code}) {$body}";
}
$errors = null;
// Specific check for APIs which don't return error details, such as Blogger.
if (isset($decoded['error']) && isset($decoded['error']['errors'])) {
$errors = $decoded['error']['errors'];
}
throw new Google_Service_Exception($err, $code, null, $errors);
}
// Only attempt to decode the response, if the response code wasn't (204) 'no content'
if ($code != '204') {
$decoded = json_decode($body, true);
if ($decoded === null || $decoded === "") {
throw new Google_Service_Exception("Invalid json in service response: {$body}");
}
if ($response->getExpectedClass()) {
$class = $response->getExpectedClass();
$class = "RKuzovlev\\GoogleAPI\\Service\\" . $class;
$decoded = new $class($decoded);
}
}
return $decoded;
}
