[IPython-dev] what is this "Untrusted text/latex output ignored." stuff?

Matthias BUSSONNIER bussonniermatthias at gmail.com
Mon Feb 3 15:56:08 EST 2014


Le 3 févr. 2014 à 16:50, Zoltán Vörös a écrit :

> Hi all,
> 
> I don't want to be seen as impatient, or anything like that, but I feel that this signature thing is somehow broken, so I would like to follow up on Damián's and Matthias' comments. 
> 
> No matter what I do, if I try to use an old notebook (old meaning created last Friday:) its content is not trusted. I have run 
> 
> ipython trust mynotebook.ipynb
> 
> and I can see the signature at the top of the file. However, latex/svg are still not displayed. According to the PR that Damián referred to, only javascript and HTML items should be affected by this change, although, I understand that SVG might also be exploited for some injection attack.
> 
> All this is not a major issue for me at the moment, I would just like to make sure that the developers know about it.


Please open a issue on github. we'll figure it out. 
-- 
M


> 
> Chees,
> Zoltán
> 
> On 03/02/14 13:15, Matthias Bussonnier wrote:
>> Hi zoltan, 
>> 
>> we havent yet posted info on the ML about that and will do soon. 
>> 
>> 
>> In short, we sign the notebook when you save it, and if the signaure don't mach we don't render potentially dangerous ouput.
>> We will do the same in markdown soon if it contains script tag.
>> 
>> WhiteListing latex might be an oversight.
>> 
>> If you rerun the all notebook and save, the ouput should be tusted, a least for you, more info soon. 
>> 
>> -- 
>> Matthias
>> 
>> 
>> 
>> 
>> On Mon, Feb 3, 2014 at 12:15 PM, Zoltán Vörös <zvoros at gmail.com> wrote:
>> Hi all,
>> 
>> When a notebook contains sympy-generated latex code, the latex content is not rendered on load, instead an "Untrusted                text/latex output ignored." message is displayed. On the other hand, latex in a markdown cell is trusted, and rendered properly. Is there a way to instruct the notebook to "trust" the latex code even in the output field of a code cell? Are there any security issues involved here?
>> 
>> Cheers,
>> Zoltán
>> 
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