/**
* Execute an HTTP Request
*
* @param Request $request the http request to be executed
* @return array containing response headers, body, and http code
* @throws Exception on curl or IO error
*/
public function executeRequest(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_URL, $request->getUrl());
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $request->getRequestMethod());
curl_setopt($curl, CURLOPT_USERAGENT, $request->getUserAgent());
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
// The SSL version will be determined by the underlying library
// @see https://github.com/google/google-api-php-client/pull/644
//curl_setopt($curl, CURLOPT_SSLVERSION, 1);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HEADER, true);
if ($request->canGzip()) {
curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
}
$options = $this->client->getClassConfig('Curl', 'options');
if (is_array($options)) {
$this->setOptions($options);
}
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');
}
$this->client->getLogger()->debug('cURL request', array('url' => $request->getUrl(), 'method' => $request->getRequestMethod(), 'headers' => $requestHeaders, 'body' => $request->getPostBody()));
$response = curl_exec($curl);
if ($response === false) {
$error = curl_error($curl);
$code = curl_errno($curl);
$map = $this->client->getClassConfig('Exception', 'retry_map');
$this->client->getLogger()->error('cURL ' . $error);
throw new Exception($error, $code, null, $map);
}
$headerSize = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
list($responseHeaders, $responseBody) = $this->parseHttpResponse($response, $headerSize);
$responseCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
$this->client->getLogger()->debug('cURL response', array('code' => $responseCode, 'headers' => $responseHeaders, 'body' => $responseBody));
return array($responseBody, $responseHeaders, $responseCode);
}
/**
* Revoke an OAuth2 access token or refresh token. This method will revoke the current access
* token, if a token isn't provided.
* @throws Exception
* @param string|null $token The token (access token or a refresh token) that should be revoked.
* @return boolean Returns True if the revocation was successful, otherwise False.
*/
public function revokeToken($token = null)
{
if (!$token) {
if (!$this->token) {
// Not initialized, no token to actually revoke
return false;
} elseif (array_key_exists('refresh_token', $this->token)) {
$token = $this->token['refresh_token'];
} else {
$token = $this->token['access_token'];
}
}
$request = new Request(self::OAUTH2_REVOKE_URI, 'POST', array(), "token={$token}");
$request->disableGzip();
$response = $this->client->getIo()->makeRequest($request);
$code = $response->getResponseHttpCode();
if ($code == 200) {
$this->token = null;
return true;
}
return false;
}
/**
* Update a cached request, using the headers from the last response.
* @param Request $cached A previously cached response.
* @param mixed Associative array of response headers from the last request.
*/
protected function updateCachedRequest($cached, $responseHeaders)
{
$hopByHop = self::$HOP_BY_HOP;
if (!empty($responseHeaders['connection'])) {
$connectionHeaders = array_map('strtolower', array_filter(array_map('trim', explode(',', $responseHeaders['connection']))));
$hopByHop += array_fill_keys($connectionHeaders, true);
}
$endToEnd = array_diff_key($responseHeaders, $hopByHop);
$cached->setResponseHeaders($endToEnd);
}
