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I get NotAllowed error when trying to start screen sharing from a page created by an extension

  • 2 replies
  • 1 has this problem
  • 2 views
  • Last reply by YPapouski

YPapouski
YPapouski
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Hello,

I have faced the following issue: I have an extension, which opens a new page in a separate tab and then within this page I use getUserMedia to get an access to a microphone, to a video camera and to a screen sharing. Firefox asks permissions for audio and video and after they have been granted it gave me an access to audio/video stream, but then I tried to start screen sharing I received NotAllowed error.

I could check my code from within other pages and it worked fine, but it didn't work inside an extension page.

Looks like a bug, doesn't it?

Thanks, I would be appreciated for any help.

Hello, I have faced the following issue: I have an extension, which opens a new page in a separate tab and then within this page I use getUserMedia to get an access to a microphone, to a video camera and to a screen sharing. Firefox asks permissions for audio and video and after they have been granted it gave me an access to audio/video stream, but then I tried to start screen sharing I received NotAllowed error. I could check my code from within other pages and it worked fine, but it didn't work inside an extension page. Looks like a bug, doesn't it? Thanks, I would be appreciated for any help.

All Replies (2)

the-edmeister
the-edmeister
  • Moderator
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I doubt if that is a bug, sounds like a security precaution thus that NotAllowed message. The abilities for extensions to do certain actions was greatly curtailed in Quantum Firefox 57.

YPapouski
YPapouski Question owner
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Hi, thanks for your quick response.

So, from what you have said it might be not allowed to do a screen sharing from a page created by an extension because of some security restrictions. But then it looks a bit contradictory to me, because it allows to get an access to a camera and to a mic, but for a screen sharing I am not even asked to allow screen sharing or not and I get immediately a non allowed error. From my point of view it's not consistent. The stream from a video cam and a stream for a screen sharing are in common the same, aren't they?

Thanks, Yuri.