Скачать или смотреть How to Create an AngularFire Route Guard to Redirect Unauthorized Users to Your Landing Page

Learn how to effectively use AngularFire's authentication features to create a route guard that protects your pages and redirects unauthorized users back to the landing page.
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This video is based on the question https://stackoverflow.com/q/74575931/ asked by the user 'Thomas David Kehoe' ( https://stackoverflow.com/u/5153354/ ) and on the answer https://stackoverflow.com/a/74591299/ provided by the user 'Thomas David Kehoe' ( https://stackoverflow.com/u/5153354/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Create an AngularFire Route Guard to Redirect Unauthorized Users to Your Landing Page

In the world of web development, ensuring that your applications are secure and user-friendly is paramount. One common feature many developers strive to implement is a route guard that restricts access to certain parts of their application based on authentication status. In this guide, we’ll explore how to create an AngularFire route guard that redirects unauthorized users back to the landing page, instead of a blank screen.

Understanding the Problem

You may have encountered a situation where you want to protect sensitive routes in your Angular application, such as a user's home page (my-project.com/home). A typical requirement here is to ensure that only authorized users can access this route. However, an oversight can result in unauthorized users being redirected to a blank page, which is not the desired user experience.

The Challenge

In your routing module, you might have set up a route guard using AngularFire's AuthGuard to prevent unauthorized access but faced issues redirecting users properly. In many instances, developers mistakenly encounter errors when trying to configure custom redirection logic.

Implementing the Solution

Let's walk through the steps to properly set up an AngularFire route guard that redirects unauthorized users to your landing page.

1. Setting Up the Route Guard

Initially, you need to define a redirection function that will handle unauthorized access. The key part you were missing is the function that specifies where to redirect users.

Code Snippet

You should start with the following function to redirect unauthorized users:

[[See Video to Reveal this Text or Code Snippet]]

2. Defining Your Routes

Next, with the redirect function in place, you can set up your routes accordingly.

Route Configuration

[[See Video to Reveal this Text or Code Snippet]]

3. Final Touches

Imports: Make sure to check your imports. You don’t need to import @angular/fire/auth in app-routing.module.ts, nor the AuthGuardModule in app.module.ts. Your app should be clean and only include necessary modules.

4. Compile and Test

With these changes implemented, compile and test your application. Attempt to access the home route as an unauthorized user. You should be redirected gracefully back to your landing page rather than a blank screen.

Conclusion

Creating a route guard in AngularFire that redirects unauthorized users back to a landing page requires a few key steps, as we've explored. The critical part is ensuring you have a correctly defined redirection function and organized route configurations.

By implementing these practices, you'll enhance the security and user experience of your Angular application. Remember, the goal is to create a seamless navigation experience for your users, and effective route guards are essential in achieving that.

If you found this guide useful, feel free to share your thoughts in the comments below or ask any questions you might have!