On 10 Feb 2015, at 9:52 pm, Julien Wajsberg <jwajsb...@mozilla.com> wrote:

> Hey Paul,
> 
> Le 09/02/2015 12:41, Paul Theriault a écrit :
>> === SMS  ===
>> SMS is risky mainly due to the cost involved. Risks include cost of sending 
>> SMS and also SMS are very sensitive - e.g. often used in 2-factor auth (e.g. 
>> banking)
>> 
>> But there are different use cases. For example, many use cases just need the 
>> ability to receive SMS - instead of granting SMS permission, we could expose 
>> a read-only SMS datastore which other apps could observe changes on which 
>> removes the cost risk (but not the sensitive data risk). 
> 
> I don't understand how having a read only access would prevent a webpage
> from reading a 2-factor auth SMS.

Thats what I meant by:  "… which removes the cost risk (but not the sensitive 
data risk). "

> 
> I wonder if we could have a permission as fine as giving access to a
> specific thread ?
> Or access to some properties (the phone numbers) but not others (the SMS
> content) ?

Maybe whitelist by contact? “Share SMS messages from Fred Bloggs with the XYZ 
app?”
Sounds pretty complex though for your average user.

> 
> I'm also not sure how a user can choose knowingly whether he should give
> access to such things from this webpage :/
> 
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