10000 document old way of checking validity of CSRF token by snoek09 · Pull Request #5818 · symfony/symfony-docs · GitHub
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document old way of checking validity of CSRF token #5818

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document old way of checking validity of CSRF token #5818

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d6cfb36
document old way of checking validity of CSRF token
Oct 20, 2015
eda7332
fix code example
Oct 22, 2015
73209d0
use generateCsrfToken()
Oct 22, 2015
7b57421
link to interface
Dec 1, 2015
fb1c73d
more realistic example
Dec 15, 2015
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use generateCsrfToken()
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Henry Snoek committed Oct 22, 2015
commit 73209d05ff21c223374a21668a40492fa591db1f
5 changes: 4 additions & 1 deletion book/controller.rst
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Expand Up @@ -805,7 +805,10 @@ If, for example, you're doing a DELETE action, you can use the
method to check the CSRF token::

$csrf = $this->container->get('form.csrf_provider');
$csrf->isCsrfTokenValid('authenticate', new CsrfToken('token_id', 'TOKEN'));
$intention = 'authenticate';
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Does it make sense to show this without showing a template? When you generate the CSRF token in the template, you would need to also include authenticate then, right?

$token = $csrf->generateCsrfToken($intention);

$csrf->isCsrfTokenValid($intention, $token);
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How about an if statement to be more realistic:

if (!$csrf->isCsrfTokenValid($intention, $token)) {
    // CSRF token invalid! Do something, like redirect with an error
}


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