Re: [tor-dev] Implement JSONP interface for check.torproject.org

["warms0x" <warms0x@xxxxxxxxxx>]

> On 11/05/2011 06:26 PM, Arturo Filastà wrote:
>> I have made a patch to check.torproject.org to expose a JSONP interface
>> that would allow people to have the user check client side if (s)he is
>> using Tor.
>>
>> This would allow people to embed a badge on their website
>> (privacybadge.html) that congratulates the user of using Tor or warns
>> him of non Tor usage with a link to torproject.org.
>>
>> I can imagine privacy advocates having this deployed on their websites
>> or systems that engourage users to connect to them anonymously.
>>
>> Compared to what check.torproject.org does at the moment the risk does
>> not change, it is erogating exactly the same service, just making it
>> more useful and flexible.
>>
>> Basically what it does is check if the ip doing the connection is
>> connected through Tor. The web service will reply with a JSON encoded
>> array that can be loaded from the user and display in the browser a nice
>> looking badge.
>>
>
> I think this is a fine idea - it reminds me of the only IPv6 demo turtle.
>
> I think it's quite ironic to use these technologies to encourage people
> to deploy real privacy solutions.


I also like the idea, but I immediately thought of nefarious uses for such
an API. No more nefarious than what one can do with a proper list of exit
nodes I suppose.

Is there any general difference between having a queryable API to
determine if a client is using Tor and the periodic fetching of the list
of exit nodes?

Apologies if this isn't a particularly -dev-like question, I'm still fresh
on a lot of the Tor internals and I'm still not sure what data is public
versus protected.


Cheers.


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