Hello gRPC community,
I am in the process of a major overhaul to a C++ project using gRPC
extensively. Much of the work concerns going from sync to async services.
Another important part is new authentication and tokens.
Up until now, all my messages, by contract, contained a field acting as a
auth token for the user. Let's call it token:
> message MyRequest {
> pdm.PbAuthToken token = 1; // always given in
> ... actual parameters
> }
There are template functions that add this token to all calls and others to
read it back out, in order to verify authentication. Now I'm in the process
of migrating to a different kind of token and verification and I came
across a base class called CallCredentials, which appears to serve that
very purpose but wrapped up in gRPC. Keen to explore this I came across
this https://grpc.io/docs/guides/auth.html but that isn't very verbose on
how this would be done.
Basically, I want to attach my own token to every call (ideally, I would
have some calls accepted without it as well) and not having to extract and
verify it explicitly in every handler. And it must work in async server
impls in order to be useful for me. Does anybody have bit of an example of
this? Does it make sense to explore this or should I just stick to my
existing mechanism?
Best regards...
Stephan
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