Authentication guards in Laravel - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is an authentication guard in Laravel?

An authentication guard in Laravel is a way to define how users are authenticated for each request. It controls how users are retrieved and how their credentials are checked.

beginner

Name two common types of guards in Laravel.

The two common types of guards in Laravel are 'session' guard, which uses sessions and cookies, and 'token' guard, which uses API tokens for stateless authentication.

intermediate

How do you specify which guard to use in Laravel?

You specify the guard by passing its name to the auth() helper or using the 'guard' method, like auth()->guard('web') or auth('api').

beginner

Where are guards configured in a Laravel project?

Guards are configured in the 'config/auth.php' file under the 'guards' array. Each guard defines its driver and provider.

intermediate

What is the role of a user provider in Laravel authentication guards?

A user provider defines how users are retrieved from storage, like a database. Guards use providers to fetch user data for authentication.

Which file in Laravel contains the configuration for authentication guards?

A config/auth.php

B routes/web.php

C app/Http/Kernel.php

D config/database.php

The 'config/auth.php' file holds the configuration for authentication guards in Laravel.

What does the 'session' guard in Laravel use to keep users logged in?

A JWT tokens

B Cookies and sessions

C OAuth tokens

D API tokens

The 'session' guard uses cookies and sessions to maintain user login state.

How do you access the 'api' guard in Laravel code?

A Auth::user()

B Auth::guard('web')

C auth()->user()

D auth('api')

You access a specific guard by passing its name to the auth() helper, like auth('api').

What is the main purpose of a user provider in Laravel authentication?

A To retrieve user data from storage

B To encrypt passwords

C To manage sessions

D To handle middleware

User providers define how user data is fetched from storage, such as a database.

Which guard type is best for stateless API authentication?

A Cookie guard

B Session guard

C Token guard

D File guard

Token guards are used for stateless API authentication, often using API tokens.

Explain what an authentication guard is in Laravel and how it works with user providers.

Think about how Laravel checks who a user is and where it gets user info.

Describe how you would configure and use multiple guards in a Laravel application.

Consider a site with both web users and API users needing different login methods.