Drag-and-drop of files into browser does not work

[aiqc]

Problem

If I try to drag-and-drop files from my system into the browser, it does not work. It will show the file path as text file://path but it's not getting fetched.

Reproduce

• https://new.express.adobe.com/tools/crop-image
• Dragging a file from my desktop into Google Drive appears to work, but errors as "file not found" when you try to upload it.

Maybe this is a permissions thing? Like Chrome can't access the path of the file? I didn't see anything obvious in Flatseal

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Ubuntu 22.04.3

Name      Application ID        Version               Branch      Installation
Google C… com.google.Chrome     120.0.6099.224-1      stable      system

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Another user mentioned that they did not have this problem when installing chrome using the deb file
https://askubuntu.com/a/1484002/849369

[yhojann-cl]

Same problem, works only the first time and other alls does not works, the browser says can not access to the file.

Same problem in Firefox for flathub: https://www.reddit.com/r/firefox/comments/r0hk4v/drag_n_drop_not_working_in_firefox_flatpak_is/

Says:

You can use Flatseal as well for solving this problem without using the Terminal:
https://flathub.org/apps/details/com.github.tchx84.Flatseal
https://imgur.com/a/8JB7seX

Adding permission access to home folder with filesystem=home, but what happens with external disks?, realy google chrome package need a default permissions?

[ninja-]

chrome did not implement the mime-type that's sent in drag and drop and offers a protocol specific to document portal