How is the process of user rights confirmation for system access carried out?

The process of user rights confirmation (authentication and authorization) in Go typically includes the following steps:

1. Authentication — verifying the user's identity, for example, through login and password. In Go, this can be implemented by comparing the entered data with the stored data in the database.

2. Creating a session or token — after successful authentication, a session or JWT token is created, which the client will use for subsequent requests.

3. Authorization — checking whether the user has rights to perform a specific action or access a resource. This is usually done based on roles or permissions stored in the database.

Example of simplified JWT authentication:

// Check login and password
if username == "user" && password == "pass" {
    token := generateJWT(username) // JWT generation function
    // Send token to client
}

Then, with each request, the server checks the validity of the token and the user's rights.