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[Security] Explain how to use controller argument(s) in IsGranted attribute #17982

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[Security] Explain how to use controller argument(s) in IsGranted attribute #17982

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21 changes: 21 additions & 0 deletions security/expressions.rst
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Expand Up @@ -144,6 +144,27 @@ Additionally, you have access to a number of functions inside the expression:
true if the user has actually logged in during this session (i.e. is
full-fledged).

If you want to use a controller argument in the expression, you need to pass it
as ``subject``::

#[Route(path: '/{slug}')]
#[IsGranted(new Expression('"Improvement" == subject.getName()'), subject: 'category')]
public function categoryShow(
#[MapEntity()]
NewsCategory $category,
) {

And if you have many arguments::

#[Route(path: '/{slug}/{slug2}')]
#[IsGranted(new Expression('"Improvement" == subject["category"].getName() and "bar" == subject["foobar"].getTitle()'), subject: ['category', 'foobar'])]
public function categoryShow(
#[MapEntity(expr: 'repository.findOneBy({"slug": slug})')]
NewsCategory $category,
#[MapEntity(expr: 'repository.findOneBy({"slug": slug2})')]
Foobar $foobar,
) {

Learn more
----------

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