/**
* @covers PusherSignature::signRequest
*/
public function testCanSignRequest()
{
$request = new HttpRequest('POST', '/apps/3/events');
// We set variables in query to have always the same result
$request->getQuery()->replace(array('auth_key' => $this->credentials->getKey(), 'auth_timestamp' => '1353088179', 'auth_version' => '1.0', 'body_md5' => 'ec365a775a4cd0599faeb73354201b6f'));
$request->setResponseBody('{"name":"foo","channels":["project-3"],"data":"{\\"some\\":\\"data\\"}"}');
$this->pusherSignature->signRequest($request, $this->credentials);
$this->assertEquals('auth_key=278d425bdf160c739803&auth_timestamp=1353088179&auth_version=1.0&body_md5=ec365a775a4cd0599faeb73354201b6f&auth_signature=da454824c97ba181a32ccc17a72625ba02771f50b50e1e7430e47a1f3f457e6c', $request->getQuery('auth_signature'));
}
/**
* Sign the Pusher request
*
* @link http://pusher.com/docs/rest_api#authentication
* @param RequestInterface $request
* @param Credentials $credentials
*/
public function signRequest(RequestInterface $request, Credentials $credentials)
{
$queryParameters = array('auth_key' => $credentials->getKey(), 'auth_timestamp' => time(), 'auth_version' => self::AUTH_VERSION);
if ($request instanceof EntityEnclosingRequestInterface) {
$body = $request->getBody();
$queryParameters['body_md5'] = $body->getContentLength() ? $body->getContentMd5() : '';
}
// The signature algorithm asks that keys are all lowercased
$queryParameters = array_change_key_case($request->getQuery()->toArray()) + $queryParameters;
$queryParameters = array_filter($queryParameters);
ksort($queryParameters);
$method = strtoupper($request->getMethod());
$requestPath = $request->getPath();
$query = urldecode(http_build_query($queryParameters));
$signature = $this->signString(implode("\n", array($method, $requestPath, $query)), $credentials);
$queryParameters['auth_signature'] = $signature;
$request->getQuery()->replace($queryParameters);
}
