Comment 2 for bug 1972762

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Miguel Pires (miguelpires1) wrote : Re: Firefox snap won't open files in /tmp or ~/.cache -- effects many apps

Hi,

Thank you for reporting this but, this is by design. Snaps can't access the user's home by default. However, they can write data to their own directories under home (e.g., /home/<user>/snap/<snap_name>/). Snaps can obtain access to the user's non-hidden files under home by connecting to the "home" interface (https://snapcraft.io/docs/home-interface) or by running without confinement (which isn't recommended). Access to hidden files can be obtained through the personal-files interface (https://forum.snapcraft.io/t/the-personal-files-interface/9357). The same also applies to /tmp. Snaps don't have full access to it by default, but they do have separate spaces under it (/tmp/snap.<snap_name>/tmp/).