/**
* Prepare cURL with the given request
*
* @param \apiTalk\Request $requst
*
* @return void
*/
protected function prepareRequest(Request $request)
{
$curl = curl_init();
// TODO Timeout and Follow Redirect settings
$options = array(CURLOPT_RETURNTRANSFER => true, CURLOPT_HEADER => true, CURLOPT_CONNECTTIMEOUT_MS => 1000, CURLOPT_TIMEOUT_MS => 3000, CURLOPT_CUSTOMREQUEST => $request->getMethod(), CURLOPT_URL => $request->getUri(), CURLOPT_HTTPHEADER => $request->getHeaders(), CURLOPT_HTTPGET => false, CURLOPT_NOBODY => false, CURLOPT_POST => false, CURLOPT_POSTFIELDS => null);
switch ($request->getMethod()) {
case Request::METHOD_HEAD:
$options[CURLOPT_NOBODY] = true;
$query = http_build_query($request->getParameters());
if (!empty($query)) {
$options[CURLOPT_URL] = $request->getUri() . '?' . $query;
}
break;
case Request::METHOD_GET:
$options[CURLOPT_HTTPGET] = true;
$query = http_build_query($request->getParameters());
if (!empty($query)) {
$options[CURLOPT_URL] = $request->getUri() . '?' . $query;
}
break;
case Request::METHOD_POST:
case Request::METHOD_PUT:
$options[CURLOPT_POST] = true;
$options[CURLOPT_POSTFIELDS] = http_build_query($request->getParameters());
break;
}
curl_setopt_array($curl, $options);
return $curl;
}
/**
* Signed the request with the HMAC SHA256 algorithm
*
* @param \apiTalk\Request $request A request object
* @param int $expires (Optional) The expire timestamp - Default: time() + 5
*
* @return \apiTalk\Request
*/
protected function signRequest(Request $request, $expires = null)
{
// @codeCoverageIgnoreStart
if (!$expires) {
$expires = time() + 5;
}
// @codeCoverageIgnoreEnd
$request->setParameter('AWSAccessKeyId', $this->awsAccessKey);
$request->setParameter('Version', '2011-10-01');
$request->setParameter('Expires', gmdate('Y-m-d\\TH:i:s\\Z', $expires));
$request->setParameter('SignatureMethod', 'HmacSHA256');
$request->setParameter('SignatureVersion', '2');
if ($request->getMethod() == Request::METHOD_POST) {
$request->setHeader('Content-Type', 'application/x-www-form-urlencoded');
}
// Remove old signature
$parameters = $request->getParameters();
if (isset($parameters['Signature'])) {
unset($parameters['Signature']);
}
// Sort params by key
uksort($parameters, 'strcmp');
$request->setParameters($parameters);
// Parse URL
$url = $request->getUri();
$path = parse_url($url, PHP_URL_PATH);
$host = parse_url($url, PHP_URL_HOST);
// Generate raw request
$data = strtoupper($request->getMethod()) . "\n";
$data .= strtolower($host) . "\n";
$data .= (!empty($path) ? $path : '/') . "\n";
$data .= http_build_query($request->getParameters());
// Build the signature
$hmac = hash_hmac('sha256', $data, $this->awsSecretKey, true);
$request->setParameter('Signature', base64_encode($hmac));
return $request;
}