rbac from the server used in the client from now on

common/proto/auth.proto

@@ -7,6 +7,7 @@ import "common.proto";
 service AuthService {
   rpc Register(RegisterRequest) returns (AuthResponse);
   rpc Login(LoginRequest) returns (LoginResponse);
+  rpc GetAuthorization(GetAuthorizationRequest) returns (AuthorizationSnapshot);
 }
 
 message RegisterRequest {
@@ -36,4 +37,17 @@ message LoginResponse {
   string user_id = 4; // User's UUID in string format
   string role = 5; // User's role
   string username = 6;
+  AuthorizationSnapshot authorization = 7;
+}
+
+message GetAuthorizationRequest {}
+
+message Permission {
+  string resource = 1;
+  string action = 2;
+}
+
+message AuthorizationSnapshot {
+  string role = 1;
+  repeated Permission permissions = 2;
 }