initial commit

gen/go/service.pb.spartanauth.go

@@ -0,0 +1,46 @@
+package pb
+
+import (
+	"context"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+var publicMethodMaps = map[string]bool{
+	// each method that is public will be added here
+}
+
+func NewSpartanAuthClient() {
+
+}
+
+// Implements UnaryServerInterceptor for authentication
+func SpartanAuthPeachUnaryServerInterceptor(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp any, err error) {
+	// we will have a function that checks the token and a switch statement that checks if the method is public or not
+
+	if ok := publicMethodMaps[info.FullMethod]; ok {
+		return handler(ctx, req)
+	}
+
+	// check the token
+	// if the token is valid, return handler(ctx, req)
+	// if the token is missing or invalid, return an unauthenticated error
+	if token, ok := ctx.Value("token").(string); ok {
+		if ok, err := IntrospectToken(ctx, token); ok {
+			return handler(ctx, req)
+		} else {
+			if err != nil {
+				return nil, status.Errorf(codes.Internal, "error introspecting token: %v", err)
+			}
+			return nil, status.Errorf(codes.Unauthenticated, "invalid token")
+		}
+	}
+
+	return nil, status.Errorf(codes.Unauthenticated, "missing or invalid token")
+}
+
+func IntrospectToken(ctx context.Context, token string) (bool, error) {
+	// this function will call the introspection endpoint with the token and return the result
+	return false, nil
+}