Look at django-argonauts
https://github.com/fusionbox/django-argonauts
It provides a nice (safe) template tag you can use to filter json
serializable python objects into safe javascript objects.
On Thursday, April 9, 2015 at 11:50:50 AM UTC-6, Eric Plumb wrote:
>
> Hi Djangoers!
>
> Sometimes in the course of human events it becomes necessary to encode a
> JSON object directly into a template. We all prefer AJAX and REST APIs and
> the rest of the TOFLAs, but in the cases where it has to be part of the
> template, I'm wondering if there's an accepted canonical best-practice way
> to do so and remain safe from XSS attacks and other nastiness.
>
> I'm aware of the following two methods:
>
> 1. HTML attribute loaded by jQuery's $.data()
>
> # view
> return { ... {'my_obj': mark_safe(escape(json.dumps(obj))) } ... }
>
> # template
> <div data-my-object={{ my_obj }}>...</div>
>
> # JS
> var myObj = $('div').data('my-object'); // implicitly calls JSON.parse()
> on the encoded object
>
> 2. Explicitly parsed JS object
>
> # view
> return { ... {'my_obj': mark_safe(escapejs(json.dumps(obj))) } ... }
>
> # template
> <script>
> var myObj = JSON.parse('{{ my_obj }}')
> </script>
>
> Are there better methods? It seems like this ought to come up often in
> building safe websites, but I don't see a consensus out there on the Web.
> Thanks in advance for your consideration!
>
> Eric
>
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