/**
* @param Envelope $envelope
* @return Request
* @throws Exception\InvalidJsonRpcVersion
* @throws Exception\JsonParseError
*/
protected function requestFromEnvelope(Envelope $envelope) : Request
{
if ($envelope->getHeader('jsonrpc') !== JsonRpcRequest::JSONRPC_VERSION) {
throw new Exception\InvalidJsonRpcVersion();
}
if ($envelope->getContentEncoding() !== 'UTF-8' || $envelope->getContentType() !== 'application/json') {
throw new Exception\InvalidJsonRpcRequest();
}
$payload = json_decode($envelope->getBody(), true);
if (0 != json_last_error()) {
throw new Exception\JsonParseError();
}
return new JsonRpcRequest($envelope->getExchangeName(), $envelope->getType(), $payload, $envelope->getCorrelationId(), $envelope->getRoutingKey(), (int) $envelope->getExpiration(), $envelope->getTimestamp());
}
