Authentication & Authorization

This directory contains comprehensive documentation for authentication and authorization mechanisms in the Quub Exchange platform.

📋 Overview

Our authentication system provides secure, scalable, and multi-tenant access control for the exchange platform, ensuring proper user identification and resource isolation.

📁 Documentation Structure

JWT Authentication

  • JWT/ - Complete JWT implementation documentation
    • Token lifecycle management (login → use → refresh → logout)
    • Multi-tenant authorization with Row Level Security (RLS)
    • Validation and secure handler patterns
    • Comprehensive testing strategy
    • Generated diagrams and implementation guides

Additional Auth Methods

  • [Other authentication methods to be documented]

🔐 Security Architecture

Multi-tenant Isolation

  • Organization-scoped tokens: JWT claims include orgId for tenant isolation
  • URL validation: Ensures request orgId matches token claims
  • Database RLS: Automatic data isolation at the database layer
  • Application context: Enforced tenant boundaries in all operations

Token-based Authentication

  • Access tokens: Short-lived for API operations
  • Refresh tokens: Long-lived for session management
  • Token rotation: Security through frequent token refresh
  • Revocation support: Immediate session termination

🚀 Quick Navigation

Component Description Documentation
JWT Lifecycle Complete token flow from login to logout JWT Documentation
Validation Flow Auth middleware and secure patterns JWT Validation
Testing Strategy Comprehensive testing approach JWT Testing
Fundamentals JWT basics and best practices JWT 101

📊 Visual Documentation

All authentication flows are documented with PlantUML diagrams and rendered as SVG for easy viewing:

# View all authentication diagrams
open JWT/diagrams/*.svg

🧪 Implementation Guidelines

For Developers

  1. Review JWT fundamentals
  2. Study the lifecycle flow
  3. Implement using validation patterns
  4. Follow the testing strategy

For Security Review

  • Multi-tenant isolation verification
  • Token lifecycle security assessment
  • Revocation mechanism validation
  • Database RLS configuration review

This authentication system is designed for high-security financial applications with strict tenant isolation requirements.

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