Laravel 419 Page Expired Redirect To Login

Sorry, the page you were trying to access has expired. Please return to the login page to continue.
Laravel error: Page expired, redirecting to login page.
Sorry, the page you were attempting to access has expired. Please return to the login page to continue.

As a web developer, I have encountered various challenges while working with Laravel, one of the most popular PHP frameworks. Recently, I came across an issue where I was redirected to the login page with a message “419 Page Expired” whenever I submitted a form. In this article, I will share my experience and provide a detailed explanation of this problem.

The 419 Status Code

Let’s start by understanding the meaning of the “419 Page Expired” error. The error code 419 is part of the HTTP protocol that indicates a valid session timeout. When a user interacts with a web application, a session is created to store their data temporarily. This session has a specific lifespan, after which it expires. When a user tries to submit a form after the session has expired, Laravel triggers the 419 status code.

In Laravel, this error is handled by the ValidatePostSize middleware. This middleware checks the size of the incoming request against the maximum post size specified in the php.ini file. If the request exceeds the maximum size, Laravel generates a 419 error and redirects the user to the login page.

Understanding the Issue

When I encountered this problem, I was confused as to why I was being redirected to the login page. After some investigation, I realized that the issue was not directly related to authentication or login functionality. It was actually caused by the CSRF (Cross-Site Request Forgery) protection feature in Laravel.

Laravel includes CSRF protection by default to prevent malicious attacks by verifying the authenticity of requests. This protection adds a token to forms and Ajax requests. When submitting a form, Laravel checks the validity of this token. If the token is missing or invalid, Laravel generates the 419 error and redirects the user to the login page, assuming a potential CSRF attack.

Solving the Issue

To solve the “419 Page Expired” error and prevent unwanted redirections to the login page, we need to ensure that the CSRF token is included in our forms and Ajax requests. Laravel provides a simple way to include the CSRF token.

In Laravel’s default forms, the CSRF token is automatically added using the @csrf directive. Make sure that your forms include this directive:


<form method="POST" action="/example">
@csrf
// Rest of the form fields
</form>

For Ajax requests, you can include the CSRF token in the request headers:


$.ajax({
url: "/example",
type: "POST",
headers: {
'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
},
// Rest of the AJAX parameters
});

By including the CSRF token in your forms and Ajax requests, Laravel will validate the token and prevent the 419 error.

Conclusion

Encountering the “419 Page Expired” error and being redirected to the login page can be frustrating, especially when you’re not sure why it’s happening. In this article, we have explored the possible causes of this issue in Laravel and discovered that it is related to CSRF protection.

To solve this problem, it is crucial to include the CSRF token in your forms and Ajax requests. This will ensure that the requests are verified and prevent the 419 error.

If you ever encounter this issue, don’t panic! Take a deep breath, follow the steps outlined in this article, and you’ll be able to overcome the “419 Page Expired” error in Laravel.