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use gio::ListStore;
use glib::{KeyFile, ParamSpec, Properties};
use gtk::prelude::*;
use gtk::subclass::prelude::*;
use gtk::{gio, glib};
use lazy_static::lazy_static;
use once_cell::unsync::OnceCell;
use super::types::*;
lazy_static! {
static ref SERVICE_WHITELIST: Vec<&'static str> = vec![
"org.kde.StatusNotifier",
"org.mpris.MediaPlayer",
"org.freedesktop.Notifications",
"com.canonical.AppMenu.Registrar",
"com.canonical.indicator.application",
"com.canonical.Unity.LauncherEntry",
"org.a11y.Bus"
];
}
mod imp {
use super::*;
#[derive(Debug, Default, Properties)]
#[properties(wrapper_type = super::SkAppPermissions)]
pub struct SkAppPermissions {
#[property(get, set, construct_only)]
filesystems: OnceCell<ListStore>,
#[property(get, set, construct_only)]
services: OnceCell<ListStore>,
#[property(get, set, construct_only)]
devices: OnceCell<SkDevicePermission>,
#[property(get, set, construct_only)]
sockets: OnceCell<SkSocketPermission>,
#[property(get, set, construct_only)]
subsystems: OnceCell<SkSubsystemPermission>,
}
#[glib::object_subclass]
impl ObjectSubclass for SkAppPermissions {
const NAME: &'static str = "SkAppPermissions";
type Type = super::SkAppPermissions;
}
impl ObjectImpl for SkAppPermissions {
fn properties() -> &'static [ParamSpec] {
Self::derived_properties()
}
fn property(&self, id: usize, pspec: &ParamSpec) -> glib::Value {
Self::derived_property(self, id, pspec)
}
fn set_property(&self, id: usize, value: &glib::Value, pspec: &ParamSpec) {
Self::derived_set_property(self, id, value, pspec)
}
}
impl SkAppPermissions {
pub fn is_whitelisted(list: Vec<&str>, value: &str) -> bool {
let res = list.iter().any(|i| value.starts_with(i));
if res {
debug!("Ignoring whitelisted permission entry: {}", value);
}
res
}
}
}
glib::wrapper! {
pub struct SkAppPermissions(ObjectSubclass<imp::SkAppPermissions>);
}
impl SkAppPermissions {
pub fn new(
filesystems: &ListStore,
services: &ListStore,
devices: &SkDevicePermission,
sockets: &SkSocketPermission,
subsystems: &SkSubsystemPermission,
) -> Self {
glib::Object::builder()
.property("filesystems", filesystems)
.property("services", services)
.property("devices", devices)
.property("sockets", sockets)
.property("subsystems", subsystems)
.build()
}
pub fn from_metadata(keyfile: &KeyFile) -> Self {
let filesystems = ListStore::new(SkFilesystemPermission::static_type());
if let Ok(filesystem_list) = keyfile.string_list("Context", "filesystems") {
for filesystem in filesystem_list {
let value = SkFilesystemPermission::from_flatpak(filesystem.to_str());
filesystems.append(&value);
}
}
let services = ListStore::new(SkServicePermission::static_type());
if let Ok(session_list) = keyfile.keys("Session Bus Policy") {
for service in session_list {
if imp::SkAppPermissions::is_whitelisted(
SERVICE_WHITELIST.to_vec(),
service.to_str(),
) {
continue;
}
let value = SkServicePermission::new(service.to_str(), false);
services.append(&value);
}
}
if let Ok(system_list) = keyfile.keys("System Bus Policy") {
for service in system_list {
if imp::SkAppPermissions::is_whitelisted(
SERVICE_WHITELIST.to_vec(),
service.to_str(),
) {
continue;
}
let value = SkServicePermission::new(service.to_str(), true);
services.append(&value);
}
}
let mut devices = SkDevicePermission::NONE;
if let Ok(device_list) = keyfile.string_list("Context", "devices") {
for device in device_list {
devices |= device.to_str().into();
devices.remove(SkDevicePermission::NONE);
}
}
let mut sockets = SkSocketPermission::NONE;
if let Ok(socket_list) = keyfile.string_list("Context", "sockets") {
for socket in socket_list {
sockets |= socket.to_str().into();
sockets.remove(SkSocketPermission::NONE);
}
}
let mut subsystems = SkSubsystemPermission::NONE;
if let Ok(subsystem_list) = keyfile.string_list("Context", "shared") {
for subsystem in subsystem_list {
subsystems |= subsystem.to_str().into();
subsystems.remove(SkSubsystemPermission::NONE);
}
}
Self::new(&filesystems, &services, &devices, &sockets, &subsystems)
}
pub fn additional_permissions(&self, other: &Self) -> Self {
let devices = other.devices().difference(self.devices());
let sockets = other.sockets().difference(self.sockets());
let subsystems = other.subsystems().difference(self.subsystems());
let filesystems = ListStore::new(SkFilesystemPermission::static_type());
for filesystem in other.filesystems().snapshot() {
let filesystem: SkFilesystemPermission = filesystem.downcast().unwrap();
if !self.filesystems().snapshot().iter().any(|a| {
let a: &SkFilesystemPermission = a.downcast_ref().unwrap();
a.path() == filesystem.path() && a.kind() == filesystem.kind()
}) {
filesystems.append(&filesystem);
}
}
let services = ListStore::new(SkServicePermission::static_type());
for service in other.services().snapshot() {
let service: SkServicePermission = service.downcast().unwrap();
if !self.services().snapshot().iter().any(|a| {
let a: &SkServicePermission = a.downcast_ref().unwrap();
a.name() == service.name() && a.is_system() == service.is_system()
}) {
services.append(&service);
}
}
Self::new(&filesystems, &services, &devices, &sockets, &subsystems)
}
}