Cloud-Agnostic Authentication, Session Management & RBAC Architecture
Designing a cloud-agnostic, modular architecture for multi-IDP SSO, sessions, and RBAC
Zero
Code Changes
4-7 Days
Effort Saved
100%
Cloud Agnostic
Problem Statement
- • Maintain consistent authentication and session management across multiple IDPs (Keycloak, Azure AD, AWS Cognito, Google Cloud IAM)
- • Ensure fine-grained access control across environments
- • Scale RBAC implementation in microservices and micro frontends
Objective
To design and implement a cloud-agnostic, modular architecture that provides:
- • Plug-and-play authentication
- • Unified session handling
- • Dynamic, scalable Role-Based Access Control (RBAC)
Architecture Overview
Auth Provider Integration Layer
Supports: Keycloak, Azure AD, AWS Cognito, Google Cloud IAM
Uses OAuth2 / OpenID Connect protocol abstraction
Authentication Service
Handles login, token validation, and refresh
Generates session tokens (JWTs / Cookies)
Session Store
Manages user session metadata
Enables silent login with prompt=none
RBAC Service
Dynamically resolves roles, permissions, and resources
Provides fine-grained API/query/field-level access
Micro Frontends & Backend APIs
React, Angular, Flutter (frontend)
NestJS, Spring Boot, FastAPI (backend)
Consume tokens + enforce RBAC policies
Architecture Diagram
Technology Stack
| Component | Technology Used |
|---|---|
| Frontend | ReactJS, Angular, Flutter |
| Backend | NestJS, Spring Boot, FastAPI |
| Auth Protocol | OAuth2 / OpenID Connect |
| Session Layer | JWT + HTTP-only Secure Cookies |
| RBAC Layer | Dynamic Role-Policy Engine |
| IDP Support | Keycloak, Azure AD, AWS, GCP |
Impact Achieved
| Metric | Before | After |
|---|---|---|
| IDP Integration Time | 2–3 weeks | < 3 days |
| Session Inconsistencies | High | Eliminated |
| Reusable RBAC Logic | Limited | 100% reusable |
| Onboarding Time | 4–5 days | 1 day |
Key Benefits
Unified logic across clouds
Consistent authentication/session patterns across all IDPs
Highly secure SSO + session model
Enterprise-grade security using OAuth2/OIDC and HTTP-only cookies
Dynamic role-permission mapping
Fine-grained authorization down to field/query level
Future-proof microservice adoption
Works seamlessly with micro frontends and polyglot backends
Roadmap Ahead
Internal Rollout
Phase 1
- Deploy to all internal projects
- Validate architecture across teams
- Gather feedback and optimize
Open-sourcing RBAC Engine
Phase 2
- Release core RBAC engine as open source
- Build developer community
- Create comprehensive documentation
Advanced Analytics & Partnerships
Phase 3
- Advanced access analytics module
- Partnership with product security teams
- Enterprise-grade security features
Let’s Connect
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