Re: [mediacapture-main] Spec does no handle fingerprinting related to exposing non default capture devices (#559)

> Pre-first-grant:
> 1. For 99% of users, _enumerateDevices()_ leaks no more than UA + _getUserMedia()_ probing.

> Pre-subsequent-grant:
> ...
> 3. 99% of the time, _enumerateDevices()_ leaks no more than _getUserMedia()_ probing.

The difference is that enumerateDevices will leak information without any prompt.
getUserMedia can be implemented in a way that would require user prompting to be able to get as much information as enumerateDevices would expose.
This makes getUserMedia probing much more costly than enumerateDevices.

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Received on Thursday, 24 January 2019 15:45:35 UTC