BindDefaultuserRoles computes the default roles to assign to a given connection request based on previously stored auth data as well as a connection's namespace state.

GetRoomNameFromRequest receives a socket connection request and returns a fully-qualified room name from the request's referer information.

serializeIntoResponse receives an api.ApiCodec and serializes it into a given structure pointer.

TODO: make this function concurrency-safe.

UpdatedAuthCookie receives a request, namespace, and set of roles and returns an existing auth cookie with its role data updated, or a new auth cookie with the given role data.