Why Am I Getting a 419 POST Error in My Laravel Ajax Requests?

Understanding and Resolving Ajax Laravel 419 POST Errors

The Laravel 419 POST error is a common issue that arises in Ajax requests. It occurs due to missing CSRF (Cross-Site Request Forgery) protection tokens in the request header. Laravel implements CSRF protection by default to prevent malicious requests from external sources.

Root Cause of 419 Error

Laravel generates a unique CSRF token for each active user session. This token is used to verify that the authenticated user is the one making the request. If the request does not contain the correct CSRF token, Laravel will return a 419 error.

Ajax Call Configuration

In the provided Ajax call, the X-CSRF-TOKEN header is missing. Add this line to your Ajax call setup to include the token in every request:

<code class="javascript">$.ajaxSetup({
    headers: {
        'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
    }
});</code>

This ensures that the CSRF token is included in every Ajax request, making it compatible with Laravel's CSRF protection.

Alternative Solution: Excluding Routes from CSRF Verification

Alternatively, you can exclude certain routes from CSRF token verification in the VerifyCSRFToken middleware. In app/Http/Kernel.php, add the desired routes to the $except property:

<code class="php">protected $except = [
    '/route_you_want_to_ignore',
    '/route_group/*
];</code>

This will exempt the specified routes from CSRF token verification, allowing them to bypass the 419 error for Ajax requests.

Conclusion

By including the CSRF token in the Ajax request or excluding the route from CSRF verification, you can effectively resolve the Ajax Laravel 419 POST error and ensure the integrity of your application's requests.

The above is the detailed content of Why Am I Getting a 419 POST Error in My Laravel Ajax Requests?. For more information, please follow other related articles on the PHP Chinese website!