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CodeSignal

OAuth Fundamentals & Mock Implementation

via CodeSignal

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Overview

Learn OAuth 2.0 authentication by building and securing mock Google and GitHub OAuth flows in Python/FastAPI. Explore key OAuth concepts, common vulnerabilities, and best practices for integrating OAuth into your application.

Syllabus

  • Unit 1: Introduction to OAuth
    • OAuth Fundamentals Quiz Implementation
  • Unit 2: Mock Google OAuth Implementation
    • Building a Multi-Provider OAuth Router with FastAPI
    • Implementing OAuth Success Handlers and JWT Authentication
    • Implement OAuth Success Handlers and Debug JWT Authentication
  • Unit 3: Modifying the User Model
    • Make the Password Field Optional for OAuth Users in the User Model
    • Add an Optional Email Field to the User Model for OAuth Support
    • Add a provider field to the User model for OAuth support
  • Unit 4: OAuth State and CSRF Protection
    • Implementing Secure State Generation for Multi-Provider OAuth
    • Add State Validation to Secure OAuth Callback Routes
    • Comprehensive OAuth State Validation and Error Handling
  • Unit 5: OAuth Error Handling
    • Centralized OAuth Error Handling and User Feedback
    • Integrate Centralized OAuth Error Handling into Your OAuth Routes

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