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added a note about returning an object when using a JSON response #2555

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added a note about returning an object when using a JSON response #2555

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13 changes: 10 additions & 3 deletions components/http_foundation/introduction.rst
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Expand Up @@ -507,11 +507,18 @@ the response content will look like this:

handleResponse({'data': 123});

.. caution::

Note that it is recommended to always return an object as a response to
protect yourself against XSSI and JSON-JavaScript Hijacking. Read the
`OWASP guidelines`_ for more information.

Session
-------

The session information is in its own document: :doc:`/components/http_foundation/sessions`.

.. _Packagist: https://packagist.org/packages/symfony/http-foundation
.. _Nginx: http://wiki.nginx.org/XSendfile
.. _Apache: https://tn123.org/mod_xsendfile/
.. _Packagist: https://packagist.org/packages/symfony/http-foundation
.. _Nginx: http://wiki.nginx.org/XSendfile
.. _Apache: https://tn123.org/mod_xsendfile/
.. _OWASP guidelines: https://www.owasp.org/index.php/OWASP_AJAX_Security_Guidelines#Always_return_JSON_with_an_Object_on_the_outside