public static Metadata BuildMetadata(HttpResponseHeaders responseHeaders)
{
var headers = new Metadata();
foreach (var header in responseHeaders)
{
// ASP.NET Core includes pseudo headers in the set of request headers
// whereas, they are not in gRPC implementations. We will filter them
// out when we construct the list of headers on the context.
if (header.Key.StartsWith(':'))
{
continue;
}
// Exclude grpc related headers
if (header.Key.StartsWith("grpc-", StringComparison.OrdinalIgnoreCase))
{
continue;
}
else if (header.Key.EndsWith(Metadata.BinaryHeaderSuffix, StringComparison.OrdinalIgnoreCase))
{
headers.Add(header.Key, GrpcProtocolHelpers.ParseBinaryHeader(string.Join(",", header.Value)));
}
else
{
headers.Add(header.Key, string.Join(",", header.Value));
}
}
return(headers);
}