> (B) the browser can somehow use the microphone without trust-store
> granting it permission: this bug report, apparently (but then why
> doesn’t it belong to trust-store or pulseaudio?)

Regardless of apparmor policies, if the user denied access to
audio/video, oxide shouldn’t even try to access the hardware. Obviously
if it does and succeeds in doing so, there’s also a bug lower down the
stack. Both issues need to be investigated and fixed (can be done
separately).

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Touch seeded packages, which is subscribed to webbrowser-app in Ubuntu.
https://bugs.launchpad.net/bugs/1553482

Title:
  Access to microphone is allowed even when user denies access to "video
  and microphone"

Status in Oxide:
  Confirmed
Status in webbrowser-app package in Ubuntu:
  Invalid

Bug description:
  The plain web browser can access the microphone when you deny the
  permission to access camera and microphone.

  Tested / discovered with bq Aquaris E5 Ubuntu Edition, OTA-9.1
  (vegeta, latest stable as of today).

  How to Reproduce
  ----------------

  1.) Go to e.g. https://appear.in/test-drive on your Ubuntu phone (default web 
browser app)
  2.) When prompted for "Allow this domain access the camera and microphone" 
choose "No"
  3.) Click away the chat window (touch the down-arrow at right lower corner)
  4.) Touch the screen to dismiss the "help text" ("Video off" is shown 
prominently)
  5.) Touch the screen again to show the video controls, touch on the 
"microphone" icon; "Audio only" is shown on the screen
  6.) Log in to the same URL from a PC (or another phone) to verify audio works

  Other Details
  -------------

  Discussion on the mailing list:
  https://lists.launchpad.net/ubuntu-phone/msg18659.html

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