8000 Add documentation to overwrite token widget block using esi by alexander-schranz · Pull Request #10867 · symfony/symfony-docs · GitHub
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Add documentation to overwrite token widget block using esi #10867

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Add documentation to overwrite token widget block using esi #10867

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7226f6c
Add documentation to overwrite token widget block using esi
alexander-schranz Jan 12, 2019
73c888d
Fix typo in documentation of esi csrf token
alexander-schranz Jan 12, 2019
9e356b7
Fix typo in doc
alexander-schranz Jan 12, 2019
0ea3b52
Add cache headers to rexample
alexander-schranz Jan 12, 2019
0c43acb
Add some text to avoid response caching
alexander-schranz Jan 12, 2019
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Add cache headers to rexample
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@alexander-schranz
alexander-schranz authored Jan 12, 2019
commit 0ea3b52b33fd7a2d29350af05b361a2c123ac4a9
12 changes: 11 additions & 1 deletion http_cache/form_csrf_caching.rst
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Expand Up @@ -49,12 +49,22 @@ You can use the ``security.csrf.token_manager`` service to generate a token for
$formName = $request->attributes->get('form');
$csrfToken = $csrfTokenManager->getToken($formName)->getValue();

return new Response(sprintf(
$response = new Response(sprintf(
'<input type="hidden" id="%s__token" name="%s[_token]" value="%s" />',
$formName,
$formName,
$csrfToken
));

// Make sure the response is not cached
$response->setPrivate();
$response->setSharedMaxAge(0);
$response->setMaxAge(0);
$response->headers->addCacheControlDirective('must-revalidate', true);
$response->headers->addCacheControlDirective('no-cache', true);
$response->headers->addCacheControlDirective('no-store', true);

return $response;
}

Another option would be to load the form via an uncached AJAX request, but
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