anubis/lib/thoth/auth.go

package thoth

import (
	"context"

	"google.golang.org/grpc"
	"google.golang.org/grpc/metadata"
)

func authUnaryClientInterceptor(token string) grpc.UnaryClientInterceptor {
	return func(
		ctx context.Context,
		method string,
		req interface{},
		reply interface{},
		cc *grpc.ClientConn,
		invoker grpc.UnaryInvoker,
		opts ...grpc.CallOption,
	) error {
		md := metadata.Pairs("authorization", "Bearer "+token)
		ctx = metadata.NewOutgoingContext(ctx, md)
		return invoker(ctx, method, req, reply, cc, opts...)
	}
}

func authStreamClientInterceptor(token string) grpc.StreamClientInterceptor {
	return func(
		ctx context.Context,
		desc *grpc.StreamDesc,
		cc *grpc.ClientConn,
		method string,
		streamer grpc.Streamer,
		opts ...grpc.CallOption,
	) (grpc.ClientStream, error) {
		md := metadata.Pairs("authorization", "Bearer "+token)
		ctx = metadata.NewOutgoingContext(ctx, md)
		return streamer(ctx, desc, cc, method, opts...)
	}
}