public function onBefore(BeforeEvent $event)
{
$request = $event->getRequest();
$this->context->signer()->sign(new Message($request));
$headers = new MessageHeaders($request);
$headers->set("Authorization", $headers->get("Signature"));
$request->removeHeader("Signature");
}
/**
* @param Context $context
* @return \Closure
*/
public static function middlewareFromContext(Context $context)
{
return function (callable $handler) use($context) {
return function (Request $request, array $options) use($handler, $context) {
$request = $context->signer()->sign($request);
return $handler($request, $options);
};
};
}
public function testHMAC()
{
$context = new Context(array('keys' => array('pda' => 'secret'), 'algorithm' => 'hmac-sha256', 'headers' => array('(request-target)', 'date')));
$client = new \GuzzleHttp\Client(['auth' => 'http-signatures']);
$client->getEmitter()->attach(new RequestSubscriber($context));
$message = $client->createRequest('GET', '/path?query=123', array('headers' => array('date' => 'today', 'accept' => 'llamas')));
$context->signer()->sign(new Message($message));
$expectedString = implode(',', array('keyId="pda"', 'algorithm="hmac-sha256"', 'headers="(request-target) date"', 'signature="SFlytCGpsqb/9qYaKCQklGDvwgmrwfIERFnwt+yqPJw="'));
$this->assertEquals($expectedString, (string) $message->getHeader('Signature'));
}
function signature_middleware_factory(Context $context)
{
return function (callable $handler) use($context) {
return function (RequestInterface $request, array $options) use($handler, $context) {
$message = new Message($request);
$context->signer()->sign($message);
$request = $request->withHeader("Authorization", $message->headers->get("Signature"));
return $handler($request, $options);
};
};
}
/**
* @param Event $e
*/
public function signRequest($e)
{
$request = new Message($e['request']);
$this->context->signer()->sign($request);
}
