public override AsyncUnaryCall <TResponse> AsyncUnaryCall <TRequest, TResponse>(
TRequest request,
ClientInterceptorContext <TRequest, TResponse> context,
AsyncUnaryCallContinuation <TRequest, TResponse> continuation)
{
var now = Util.EpochTimeMillis();
var keyLevel = authentication.KeyLevel;
var signer = crypto.CreateSigner(keyLevel);
var payload = new GrpcAuthPayload
{
Request = ByteString.CopyFrom(((IMessage)request).ToByteArray()),
CreatedAtMs = now
};
var signature = signer.Sign(payload);
var metadata = context.Options.Headers ?? new Metadata();
metadata.Add("token-realm", "Token");
metadata.Add("token-scheme", "Token-Ed25519-SHA512");
metadata.Add("token-key-id", signer.GetKeyId());
metadata.Add("token-signature", signature);
metadata.Add("token-created-at-ms", now.ToString());
metadata.Add("token-member-id", memberId);
metadata.Add("token-security-metadata", encodeSecurityMetadata(authentication));
if (authentication.OnBehalfOf != null)
{
metadata.Add("token-on-behalf-of", authentication.OnBehalfOf);
metadata.Add("customer-initiated", authentication.CustomerInitiated.ToString());
}
return(continuation(request,
new ClientInterceptorContext <TRequest, TResponse>(context.Method, context.Host,
context.Options.WithHeaders(metadata))));
}
public override AsyncUnaryCall <TResponse> AsyncUnaryCall <TRequest, TResponse>(
TRequest request,
ClientInterceptorContext <TRequest, TResponse> context,
AsyncUnaryCallContinuation <TRequest, TResponse> continuation)
{
var now = Util.EpochTimeMillis();
var keyLevel = authentication.KeyLevel;
var signer = crypto.CreateSigner(keyLevel);
var payload = new GrpcAuthPayload
{
Request = ByteString.CopyFrom(((IMessage)request).ToByteArray()),
CreatedAtMs = now
};
var signature = signer.Sign(payload);
var metadata = context.Options.Headers ?? new Metadata();
metadata.Add(TOKEN_REALM, "Token");
metadata.Add(TOKEN_SCHEME, "Token-Ed25519-SHA512");
metadata.Add(TOKEN_KEY_ID, signer.GetKeyId());
metadata.Add(TOKEN_SIGNATURE, signature);
metadata.Add(TOKEN_CREATED_AT_MS, now.ToString());
metadata.Add(TOKEN_MEMBER_ID, memberId);
var customer = authentication.CustomerTrackingMetadata;
if (!string.IsNullOrEmpty(customer.IpAddress))
{
metadata.Add(CUSTOMER_IP_ADDRESS_KEY,
customer.IpAddress);
}
if (!string.IsNullOrEmpty(customer.GeoLocation))
{
metadata.Add(CUSTOMER_GEO_LOCATION_KEY,
customer.GeoLocation);
}
if (!string.IsNullOrEmpty(customer.DeviceId))
{
metadata.Add(CUSTOMER_DEVICE_ID_KEY,
customer.DeviceId);
}
if (authentication.OnBehalfOf != null)
{
metadata.Add(TOKEN_ON_BEHALF_OF, authentication.OnBehalfOf);
metadata.Add(CUSTOMER_INITIATED, authentication.CustomerInitiated.ToString());
}
return(continuation(request,
new ClientInterceptorContext <TRequest, TResponse>(context.Method, context.Host,
context.Options.WithHeaders(metadata))));
}