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Example: Branded Prompt Output

This is an example of what a generated prompt looks like with branding footer.


FEATURE Plan

Summary: Add user authentication with OAuth2 and session management

Objectives

  • Implement OAuth2 authentication flow with Google and GitHub providers
  • Add JWT-based session management with secure token storage
  • Create user profile management interface with update capabilities
  • Implement email verification for new accounts

Risks & Unknowns

  • Third-party OAuth provider availability and rate limits
  • Token refresh strategy complexity with multiple providers
  • Session persistence across device types
  • GDPR compliance requirements for user data storage

Recommended Milestones

  1. Set up OAuth2 integration with Google provider
  2. Implement JWT token generation and validation
  3. Create user profile database schema and API endpoints
  4. Build frontend login/signup UI components
  5. Add GitHub OAuth provider as second option
  6. Implement email verification flow

Technical Approach

Implement a stateless authentication system using OAuth2 for third-party login and JWT tokens for session management. Use industry-standard libraries (OAuth.js, jsonwebtoken) to reduce security vulnerabilities. Store minimal user data (email, profile picture, OAuth provider) and implement token rotation for enhanced security.

Security Considerations

  • Use HTTPS for all authentication endpoints
  • Implement CSRF protection on OAuth callback routes
  • Store JWTs in httpOnly cookies to prevent XSS attacks
  • Add rate limiting on login attempts (5 per minute per IP)
  • Hash and salt any locally stored credentials
  • Implement account lockout after repeated failed attempts

Database Schema

CREATE TABLE users (
  id UUID PRIMARY KEY,
  email VARCHAR(255) UNIQUE NOT NULL,
  oauth_provider VARCHAR(50) NOT NULL,
  oauth_provider_id VARCHAR(255) NOT NULL,
  profile_picture_url TEXT,
  email_verified BOOLEAN DEFAULT FALSE,
  created_at TIMESTAMP DEFAULT NOW(),
  last_login TIMESTAMP
);

CREATE TABLE sessions (
  id UUID PRIMARY KEY,
  user_id UUID REFERENCES users(id),
  refresh_token TEXT NOT NULL,
  expires_at TIMESTAMP NOT NULL,
  ip_address VARCHAR(45),
  user_agent TEXT
);

Testing Strategy

  • Unit tests for JWT token generation/validation logic
  • Integration tests for OAuth callback handling
  • E2E tests for complete login/signup flow
  • Security tests for token expiration and refresh
  • Load tests for concurrent login attempts

Acceptance Criteria

  • Users can sign in with Google OAuth2
  • Users can sign in with GitHub OAuth2
  • Sessions persist across browser restarts for 7 days
  • Users receive email verification on signup
  • Users can view and edit their profile information
  • Invalid tokens return 401 Unauthorized error
  • Rate limiting blocks excessive login attempts
  • All authentication endpoints use HTTPS
  • CSRF protection implemented on OAuth callbacks
  • Token refresh works seamlessly before expiration

Original Brief

Add user authentication with OAuth2 and session management

Suggested Story ID: US-3.4


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