In this video we'll take a deep dive into integrating CASL (authorization ABAC library) into the popular NestJS framework. We'll walk through how to define abilities, how to check a user's access, how to create a custom decorator and guard, and more!

CASL Fundamentals: [ Ссылка ]
Basic Authorization and Guards in NestJS: [ Ссылка ]
Authentication patterns with NestJS:
- REST: [ Ссылка ]
- GraphQL: [ Ссылка ]

00:00 - Intro
01:05 - Setup
05:06 - Ability Factory
15:10 - How to check user access
18:15 - Utilizing ForbiddenError class and custom messages
23:50 - Additional conditions
32:02 - Custom Decorator
34:04 - Abilities Guard
39:24 - Reusable metadata
41:13 - Global Guard
42:45 - Fields
44:40 - Alternative decorator API
45:47 - Wrap up

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