Laravel | CSRF Protection
Cross-Site Request Forgery (CSRF) is a type of attack that performed by the attacker to send requests to a system with the help of an authorized user who is trusted by the system.
Laravel provides protection with the CSRF attacks by generating a CSRF token. This CSRF token is generated automatically for each user. This token is nothing but a random string that is managed by the Laravel application to verify the user requests.
How to Use: This CSRF token protection can be applied to any HTML form in Laravel application by specifying a hidden form field of CSRF token. The requests are validated automatically by the CSRF VerifyCsrfToken middleware.
There are three different ways in which you can do this.
- @csrf
- csrf_field()
- csrf_token()
@csrf: This is a blade template directive for generating the hidden input field in the HTML form.
csrf_field(): This function can be used to generate the hidden input field in the HTML form.
Note: This function should be written inside double curly braces.
csrf_token(): This function just gives a random string. This function does not generate the hidden input field.
Note: HTML input field should be written explicitly. This function should be written inside double curly braces.
Output: The output is going to be the same for any of the above three ways to generate a CSRF token. The CSRF token field should be written/generated at the start of every HTML form, using any of the three ways, in a Laravel application.
Inspect Element Output:
Reference: https://laravel.com/docs/6.x/csrf
Last Updated :
30 Nov, 2019
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