PolicyKit udisk2 rules that allows auto mounting

10-udisks2.rules

/*
 * Allow partition auto mounting for desktop environments.
 * Put this file in /etc/polkit-1/rules.d/ then add user to the storage or disk group.
 */
 
// allowed actions
var udisks2_actions = [
    'org.freedesktop.udisks2.filesystem-mount-system',
    'org.freedesktop.udisks2.filesystem-mount',
];
 
// allowed groups
var udisks2_groups = ['storage', 'disk', 'wheel', 'adm'];
 
polkit.addRule(function(action, subject) {
    if (udisks2_actions.some(id => action.id == id) && udisks2_groups.some(group => subject.isInGroup(group))) { 
        return polkit.Result.YES;
    }
});