Feature: Enhance GraphAPI Authentication Session and Token Management

What problem would this feature solve?

Currently, Hawk lacks robust session and token management, particularly for Microsoft Graph authentication. This leads to potential failures during long-running operations and requires manual intervention when sessions expire. A comprehensive session management system would eliminate these issues and improve reliability.

Proposed Solution

Implement an intelligent session/token management system that:

Proactively monitors token expiration
Automatically refreshes sessions before timeout
Handles different timeout windows for various services
Provides seamless recovery from connection issues

Key Session/Token Windows

Microsoft Graph Access Tokens

Default expiration: 1 hour (3600 seconds)
Cannot be configured by application
Most critical for Hawk's operation

Exchange Online PowerShell (EXO V3)

Default session timeout: 4 hours
Can be extended up to 24 hours with SessionOption
Auto-reconnection handled by module

Refresh Tokens

Default expiration: 90 days
Can be revoked via Azure AD
Cannot be extended

Technical Requirements

Token Monitoring

Track Microsoft Graph token expiration (1-hour window)
Monitor EXO session state (4-hour timeout)
Handle refresh token lifecycle (90-day expiration)

Session Management

Pre-emptive token refresh before expiration
Automatic session recovery
Graceful error handling
State persistence across operations

Connection Handling

Unified connection testing
Retry logic for transient failures
Cross-service session coordination

Implementation Approach

Session Tracking

Implement centralized session state monitoring
Create token lifecycle management system
Develop service-specific connection handlers

Authentication Flow

Update connection testing logic
Implement token refresh mechanisms
Create session recovery procedures

Integration

Update existing cmdlets to use new session management
Implement backward compatibility layer
Add telemetry for session events

Acceptance Criteria

[ ] Automatic token refresh before expiration
[ ] Seamless session recovery after disconnection
[ ] Proper handling of long-running operations
[ ] Clear logging of session state changes
[ ] Graceful error handling for all timeout scenarios
[ ] Support for all authentication service timeouts
[ ] Updated documentation reflecting new behavior
[ ] Successful testing across various timeout scenarios

T0pCyber / hawk