gnome-shell/js/ui/status/thunderbolt.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported Indicator */
// the following is a modified version of bolt/contrib/js/client.js
const { Gio, GLib, GObject, Polkit, Shell } = imports.gi;
const Signals = imports.misc.signals;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const PanelMenu = imports.ui.panelMenu;
const { loadInterfaceXML } = imports.misc.fileUtils;
/* Keep in sync with data/org.freedesktop.bolt.xml */
const BoltClientInterface = loadInterfaceXML('org.freedesktop.bolt1.Manager');
const BoltDeviceInterface = loadInterfaceXML('org.freedesktop.bolt1.Device');
const BoltDeviceProxy = Gio.DBusProxy.makeProxyWrapper(BoltDeviceInterface);
/* */
var Status = {
DISCONNECTED: 'disconnected',
CONNECTING: 'connecting',
CONNECTED: 'connected',
AUTHORIZING: 'authorizing',
AUTH_ERROR: 'auth-error',
AUTHORIZED: 'authorized',
};
var Policy = {
DEFAULT: 'default',
MANUAL: 'manual',
AUTO: 'auto',
};
var AuthCtrl = {
NONE: 'none',
};
var AuthMode = {
DISABLED: 'disabled',
ENABLED: 'enabled',
};
const BOLT_DBUS_CLIENT_IFACE = 'org.freedesktop.bolt1.Manager';
const BOLT_DBUS_NAME = 'org.freedesktop.bolt';
const BOLT_DBUS_PATH = '/org/freedesktop/bolt';
var Client = class extends Signals.EventEmitter {
constructor() {
super();
this._proxy = null;
this.probing = false;
this._getProxy();
}
async _getProxy() {
let nodeInfo = Gio.DBusNodeInfo.new_for_xml(BoltClientInterface);
try {
this._proxy = await Gio.DBusProxy.new(
Gio.DBus.system,
Gio.DBusProxyFlags.DO_NOT_AUTO_START,
nodeInfo.lookup_interface(BOLT_DBUS_CLIENT_IFACE),
BOLT_DBUS_NAME,
BOLT_DBUS_PATH,
BOLT_DBUS_CLIENT_IFACE,
null);
} catch (e) {
log(`error creating bolt proxy: ${e.message}`);
return;
}
this._proxy.connectObject('g-properties-changed',
this._onPropertiesChanged.bind(this), this);
this._deviceAddedId = this._proxy.connectSignal('DeviceAdded', this._onDeviceAdded.bind(this));
this.probing = this._proxy.Probing;
if (this.probing)
this.emit('probing-changed', this.probing);
}
_onPropertiesChanged(proxy, properties) {
let unpacked = properties.deep_unpack();
if (!('Probing' in unpacked))
return;
this.probing = this._proxy.Probing;
this.emit('probing-changed', this.probing);
}
_onDeviceAdded(proxy, emitter, params) {
let [path] = params;
let device = new BoltDeviceProxy(Gio.DBus.system,
BOLT_DBUS_NAME,
path);
this.emit('device-added', device);
}
/* public methods */
close() {
if (!this._proxy)
return;
this._proxy.disconnectSignal(this._deviceAddedId);
this._proxy.disconnectObject(this);
this._proxy = null;
}
async enrollDevice(id, policy) {
try {
const [path] = await this._proxy.EnrollDeviceAsync(id, policy, AuthCtrl.NONE);
const device = new BoltDeviceProxy(Gio.DBus.system, BOLT_DBUS_NAME, path);
return device;
} catch (error) {
Gio.DBusError.strip_remote_error(error);
throw error;
}
}
get authMode() {
return this._proxy.AuthMode;
}
};
/* helper class to automatically authorize new devices */
var AuthRobot = class extends Signals.EventEmitter {
constructor(client) {
super();
this._client = client;
this._devicesToEnroll = [];
this._enrolling = false;
this._client.connect('device-added', this._onDeviceAdded.bind(this));
}
close() {
this.disconnectAll();
this._client = null;
}
/* the "device-added" signal will be emitted by boltd for every
* device that is not currently stored in the database. We are
* only interested in those devices, because all known devices
* will be handled by the user himself */
_onDeviceAdded(cli, dev) {
if (dev.Status !== Status.CONNECTED)
return;
/* check if authorization is enabled in the daemon. if not
* we won't even bother authorizing, because we will only
* get an error back. The exact contents of AuthMode might
* change in the future, but must contain AuthMode.ENABLED
* if it is enabled. */
if (!cli.authMode.split('|').includes(AuthMode.ENABLED))
return;
/* check if we should enroll the device */
let res = [false];
this.emit('enroll-device', dev, res);
if (res[0] !== true)
return;
/* ok, we should authorize the device, add it to the back
* of the list */
this._devicesToEnroll.push(dev);
this._enrollDevices();
}
/* The enrollment queue:
* - new devices will be added to the end of the array.
* - an idle callback will be scheduled that will keep
* calling itself as long as there a devices to be
* enrolled.
*/
_enrollDevices() {
if (this._enrolling)
return;
this._enrolling = true;
GLib.idle_add(GLib.PRIORITY_DEFAULT,
this._enrollDevicesIdle.bind(this));
}
async _enrollDevicesIdle() {
let devices = this._devicesToEnroll;
let dev = devices.shift();
if (dev === undefined)
return GLib.SOURCE_REMOVE;
try {
await this._client.enrollDevice(dev.Uid, Policy.DEFAULT);
/* TODO: scan the list of devices to be authorized for children
* of this device and remove them (and their children and
* their children and ....) from the device queue
*/
this._enrolling = this._devicesToEnroll.length > 0;
if (this._enrolling) {
GLib.idle_add(GLib.PRIORITY_DEFAULT,
this._enrollDevicesIdle.bind(this));
}
} catch (error) {
this.emit('enroll-failed', null, error);
}
return GLib.SOURCE_REMOVE;
}
};
/* eof client.js */
var Indicator = GObject.registerClass(
class Indicator extends PanelMenu.SystemIndicator {
_init() {
super._init();
this._indicator = this._addIndicator();
this._indicator.icon_name = 'thunderbolt-symbolic';
this._client = new Client();
this._client.connect('probing-changed', this._onProbing.bind(this));
this._robot = new AuthRobot(this._client);
this._robot.connect('enroll-device', this._onEnrollDevice.bind(this));
this._robot.connect('enroll-failed', this._onEnrollFailed.bind(this));
Main.sessionMode.connect('updated', this._sync.bind(this));
this._sync();
this._source = null;
this._perm = null;
this._createPermission();
}
async _createPermission() {
try {
this._perm = await Polkit.Permission.new('org.freedesktop.bolt.enroll', null, null);
} catch (e) {
log(`Failed to get PolKit permission: ${e}`);
}
}
_onDestroy() {
this._robot.close();
this._client.close();
}
_ensureSource() {
if (!this._source) {
this._source = new MessageTray.Source(_("Thunderbolt"),
'thunderbolt-symbolic');
this._source.connect('destroy', () => (this._source = null));
Main.messageTray.add(this._source);
}
return this._source;
}
_notify(title, body) {
if (this._notification)
this._notification.destroy();
let source = this._ensureSource();
this._notification = new MessageTray.Notification(source, title, body);
this._notification.setUrgency(MessageTray.Urgency.HIGH);
this._notification.connect('destroy', () => {
this._notification = null;
});
this._notification.connect('activated', () => {
let app = Shell.AppSystem.get_default().lookup_app('gnome-thunderbolt-panel.desktop');
if (app)
app.activate();
});
this._source.showNotification(this._notification);
}
/* Session callbacks */
_sync() {
let active = !Main.sessionMode.isLocked && !Main.sessionMode.isGreeter;
this._indicator.visible = active && this._client.probing;
}
/* Bolt.Client callbacks */
_onProbing(cli, probing) {
if (probing)
this._indicator.icon_name = 'thunderbolt-acquiring-symbolic';
else
this._indicator.icon_name = 'thunderbolt-symbolic';
this._sync();
}
/* AuthRobot callbacks */
_onEnrollDevice(obj, device, policy) {
/* only authorize new devices when in an unlocked user session */
let unlocked = !Main.sessionMode.isLocked && !Main.sessionMode.isGreeter;
/* and if we have the permission to do so, otherwise we trigger a PolKit dialog */
let allowed = this._perm && this._perm.allowed;
let auth = unlocked && allowed;
policy[0] = auth;
log(`thunderbolt: [${device.Name}] auto enrollment: ${auth ? 'yes' : 'no'} (allowed: ${allowed ? 'yes' : 'no'})`);
if (auth)
return; /* we are done */
if (!unlocked) {
const title = _("Unknown Thunderbolt device");
const body = _("New device has been detected while you were away. Please disconnect and reconnect the device to start using it.");
this._notify(title, body);
} else {
const title = _("Unauthorized Thunderbolt device");
const body = _("New device has been detected and needs to be authorized by an administrator.");
this._notify(title, body);
}
}
_onEnrollFailed(obj, device, error) {
const title = _("Thunderbolt authorization error");
const body = _("Could not authorize the Thunderbolt device: %s").format(error.message);
this._notify(title, body);
}
});