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Can I use environment variables to control two-factor authentication for different user types in Laravel Fortify


Yes, you can use environment variables to control two-factor authentication (2FA) for different user types in Laravel Fortify. Here's how you can approach it:

1. Set an environment variable to control 2FA:

In your `.env` file, add a variable to specify whether 2FA should be enabled or not:


ENABLE_TWO_FACTOR_AUTH=true

2. Check the environment variable in your `FortifyServiceProvider`:

In the `boot` method of your `FortifyServiceProvider`, check the value of the environment variable to determine if 2FA should be enabled:

php
use Laravel\Fortify\Fortify;

public function boot()
{
    if (env('ENABLE_TWO_FACTOR_AUTH', false)) {
        Fortify::twoFactorAuthentication(function ($request, $user) {
            // Enable two-factor authentication for specific user types
            if ($user->type === 'admin') {
                return true;
            }

            return false;
        });
    }
}

In this example, the `twoFactorAuthentication` method is only called if the `ENABLE_TWO_FACTOR_AUTH` environment variable is set to `true`. Inside the closure, you can check the user's type and return `true` to enable 2FA or `false` to disable it based on your requirements.

3. Set the environment variable based on the application environment:

In your production environment (e.g., `.env.production`), set the `ENABLE_TWO_FACTOR_AUTH` variable to `true` to enable 2FA for all user types:


ENABLE_TWO_FACTOR_AUTH=true

In your development environment (e.g., `.env.development`), you can set it to `false` to disable 2FA for easier testing and development:


ENABLE_TWO_FACTOR_AUTH=false

By using environment variables, you can easily control the 2FA behavior based on the application environment. This allows you to enable 2FA selectively for specific user types or environments without modifying the code.

Remember to ensure that the `ENABLE_TWO_FACTOR_AUTH` variable is set correctly in each environment to achieve the desired 2FA behavior for different user types.

Citations:
[1] https://codecourse.com/watch/authentication-with-laravel-fortify/two-factor-authentication-laravel-fortify
[2] https://epndavis.com/blog/laravel-fortify-two-factor-authentication/
[3] https://laravel.com/docs/11.x/fortify
[4] https://blog.devgenius.io/complete-laravel-8-authentication-using-laravel-fortify-and-bootstrap-4-part-2-d62ce4ed7577?gi=b17ce6064ae4
[5] https://wpwebinfotech.com/blog/laravel-fortify/