non-snap version of FF under Ubuntu 22.04?

[Tommy Trussell]

On Thu, Apr 27, 2023 at 10:59 AM Volker Wysk <post at volker-wysk.de> wrote:

> Am Donnerstag, dem 27.04.2023 um 10:27 -0500 schrieb Tommy Trussell:
> > As others have said, I use Firefox snap and I've had no problem opening
> > "random local HTML files."
>
> I can't open local HTML files that reside outside of my home directory (and
> its subdirectories). I can't open, for instance, something in
> /usr/local/...
>
> Can you open files outside, or are you just referring to files in your home
> directory?
>

I was just able to

$ cd /usr/share/libreoffice/help
$ firefox  index.html

that file opened fine.

HOWEVER you are correct that I cannot open things under /usr/local

I used sudo to copy a file to /usr/local/temp/test.html

$ firefox /usr/local/temp/test.html

Firefox could NOT see that file

$ sudo firefox /usr/local/temp/test.html
mkdir: cannot create directory '/run/user/0': Permission denied
Authorization required, but no authorization protocol specified
Error: cannot open display: :0

SO yes you can't open just ANY file. I tinkered with permissions, and
despite chown-ing the temp directory and test file, I still could not open
it. (NOTE just to be clear, the vast majority of users would NOT want a web
browser to be able to modify or even open files anywhere in the file system
for security reasons. See Oliver Grawert's comments in this thread.)
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