How to serve static files with route-based authorization using JWT in Gin?

When it comes to writing web applications in Go, Gin is a very popular framework that provides a fast, flexible and easy-to-use way to build APIs and web applications. In many applications, we need to serve static files such as CSS, JavaScript, and images. At the same time, we also need a secure way to ensure that only authorized users can access these files. This article will introduce how to use JWT (JSON Web Token) in the Gin framework to implement route-based authorization and provide access to static files. If you want to learn how to implement this function in Gin, then follow php editor Xinyi to explore together!

Question content

I'm trying to serve a video from a directory. I know how to do it (r.Static("/videos", "./videos")) but I have a directory for each user like /videos/testuser/video .mp4. I have implemented a login system using JWT, but how can I only allow testuser to access /videos/testuser and user1 to access /videos/user1 ?

Thanks!

Workaround

Store the UserID in a JWT and parse the JWT claim when someone downloads the video. Depending on the user, use fmt.Sprintf("videos/%s/video.mp4", jwt.UserId) to get the required directory.

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