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1.3.0 Sidebar images not displaying after patch.


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  • Moderators

Hi Flexo,

This functionality was removed from all future builds for privacy reasons - all images must be data: blobs now: https://github.com/mumble-voip/mumble/commit/119bb5c465f1f4fdff07001ec07b44892a80a755

Basically, Mumble downloading any remote image it finds was a privacy concern - trolls could get the IP addresses of any user connected, and selectively allowing certain (privileged) images would have required a ton of work. I'm not sure if there's a feature request to bring back this functionality or not, if there isn't one already feel free to file one so some discussion can start, but I think among the folks that weighed in it was fairly unanimous it was a bad idea to have it even as a configurable option.

Full disclosure: I used to run a commercial Mumble host, and my opinions do not reflect the opinions of the Mumble project.

Avatar is stolen from here

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Well, that's unfortunate. I think the security risk is overstated and this was a very useful feature for announcing events and posting colorful links to our Twitter page and such.

How does this data: blobs thing work? Any documentation?

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  • Administrators

If you open the send message dialog box in Mumble, and you copy an image to your clipboard, and then paste it in the "Display" tab, it should embed the image in the message. If you now switch to the Source Text tab it should have an element.

The src attribute value is an url, in this case a blob data URL of the form data:image/PNG;base64,iVBORw0KGgoAA...

You can copy the img tag into your server welcome message or channel and user descriptions and it should work just fine.

(We really need a server welcome text edit functionality in the client so you can just paste images like for channel and user descriptions. I started work on it some time ago but didn't get far yet.)

There are some online website tools that can convert images to base64 image blobs. Those should produce the `data` URL like pasting into the Mumble dialog does.

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