diff options
Diffstat (limited to 'js/ui/status/location.js')
| -rw-r--r-- | js/ui/status/location.js | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/js/ui/status/location.js b/js/ui/status/location.js new file mode 100644 index 0000000..45f6b7a --- /dev/null +++ b/js/ui/status/location.js @@ -0,0 +1,371 @@ +// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- +/* exported Indicator */ + +const { Clutter, Gio, GLib, GObject, Shell, St } = imports.gi; + +const Dialog = imports.ui.dialog; +const ModalDialog = imports.ui.modalDialog; +const PermissionStore = imports.misc.permissionStore; +const {SystemIndicator} = imports.ui.quickSettings; + +const { loadInterfaceXML } = imports.misc.fileUtils; + +const LOCATION_SCHEMA = 'org.gnome.system.location'; +const MAX_ACCURACY_LEVEL = 'max-accuracy-level'; +const ENABLED = 'enabled'; + +const APP_PERMISSIONS_TABLE = 'location'; +const APP_PERMISSIONS_ID = 'location'; + +var GeoclueAccuracyLevel = { + NONE: 0, + COUNTRY: 1, + CITY: 4, + NEIGHBORHOOD: 5, + STREET: 6, + EXACT: 8, +}; + +function accuracyLevelToString(accuracyLevel) { + for (let key in GeoclueAccuracyLevel) { + if (GeoclueAccuracyLevel[key] == accuracyLevel) + return key; + } + + return 'NONE'; +} + +var GeoclueIface = loadInterfaceXML('org.freedesktop.GeoClue2.Manager'); +const GeoclueManager = Gio.DBusProxy.makeProxyWrapper(GeoclueIface); + +var AgentIface = loadInterfaceXML('org.freedesktop.GeoClue2.Agent'); + +let _geoclueAgent = null; +function _getGeoclueAgent() { + if (_geoclueAgent === null) + _geoclueAgent = new GeoclueAgent(); + return _geoclueAgent; +} + +var GeoclueAgent = GObject.registerClass({ + Properties: { + 'enabled': GObject.ParamSpec.boolean( + 'enabled', 'Enabled', 'Enabled', + GObject.ParamFlags.READWRITE, + false), + 'in-use': GObject.ParamSpec.boolean( + 'in-use', 'In use', 'In use', + GObject.ParamFlags.READABLE, + false), + 'max-accuracy-level': GObject.ParamSpec.int( + 'max-accuracy-level', 'Max accuracy level', 'Max accuracy level', + GObject.ParamFlags.READABLE, + 0, 8, 0), + }, +}, class GeoclueAgent extends GObject.Object { + _init() { + super._init(); + + this._settings = new Gio.Settings({ schema_id: LOCATION_SCHEMA }); + this._settings.connectObject( + `changed::${ENABLED}`, () => this.notify('enabled'), + `changed::${MAX_ACCURACY_LEVEL}`, () => this._onMaxAccuracyLevelChanged(), + this); + + this._agent = Gio.DBusExportedObject.wrapJSObject(AgentIface, this); + this._agent.export(Gio.DBus.system, '/org/freedesktop/GeoClue2/Agent'); + + this.connect('notify::enabled', this._onMaxAccuracyLevelChanged.bind(this)); + + this._watchId = Gio.bus_watch_name(Gio.BusType.SYSTEM, + 'org.freedesktop.GeoClue2', + 0, + this._connectToGeoclue.bind(this), + this._onGeoclueVanished.bind(this)); + this._onMaxAccuracyLevelChanged(); + this._connectToGeoclue(); + this._connectToPermissionStore(); + } + + get enabled() { + return this._settings.get_boolean(ENABLED); + } + + set enabled(value) { + this._settings.set_boolean(ENABLED, value); + } + + get inUse() { + return this._managerProxy?.InUse ?? false; + } + + get maxAccuracyLevel() { + if (this.enabled) { + let level = this._settings.get_string(MAX_ACCURACY_LEVEL); + + return GeoclueAccuracyLevel[level.toUpperCase()] || + GeoclueAccuracyLevel.NONE; + } else { + return GeoclueAccuracyLevel.NONE; + } + } + + async AuthorizeAppAsync(params, invocation) { + let [desktopId, reqAccuracyLevel] = params; + + let authorizer = new AppAuthorizer(desktopId, + reqAccuracyLevel, this._permStoreProxy, this.maxAccuracyLevel); + + const accuracyLevel = await authorizer.authorize(); + const ret = accuracyLevel !== GeoclueAccuracyLevel.NONE; + invocation.return_value(GLib.Variant.new('(bu)', [ret, accuracyLevel])); + } + + get MaxAccuracyLevel() { + return this.maxAccuracyLevel; + } + + _connectToGeoclue() { + if (this._managerProxy != null || this._connecting) + return false; + + this._connecting = true; + new GeoclueManager(Gio.DBus.system, + 'org.freedesktop.GeoClue2', + '/org/freedesktop/GeoClue2/Manager', + this._onManagerProxyReady.bind(this)); + return true; + } + + async _onManagerProxyReady(proxy, error) { + if (error != null) { + log(error.message); + this._connecting = false; + return; + } + + this._managerProxy = proxy; + this._managerProxy.connectObject('g-properties-changed', + this._onGeocluePropsChanged.bind(this), this); + + this.notify('in-use'); + + try { + await this._managerProxy.AddAgentAsync('gnome-shell'); + this._connecting = false; + this._notifyMaxAccuracyLevel(); + } catch (e) { + log(e.message); + } + } + + _onGeoclueVanished() { + this._managerProxy?.disconnectObject(this); + this._managerProxy = null; + + this.notify('in-use'); + } + + _onMaxAccuracyLevelChanged() { + this.notify('max-accuracy-level'); + + // Gotta ensure geoclue is up and we are registered as agent to it + // before we emit the notify for this property change. + if (!this._connectToGeoclue()) + this._notifyMaxAccuracyLevel(); + } + + _notifyMaxAccuracyLevel() { + let variant = new GLib.Variant('u', this.maxAccuracyLevel); + this._agent.emit_property_changed('MaxAccuracyLevel', variant); + } + + _onGeocluePropsChanged(proxy, properties) { + const inUseChanged = !!properties.lookup_value('InUse', null); + if (inUseChanged) + this.notify('in-use'); + } + + _connectToPermissionStore() { + this._permStoreProxy = null; + new PermissionStore.PermissionStore(this._onPermStoreProxyReady.bind(this)); + } + + _onPermStoreProxyReady(proxy, error) { + if (error != null) { + log(error.message); + return; + } + + this._permStoreProxy = proxy; + } +}); + +var Indicator = GObject.registerClass( +class Indicator extends SystemIndicator { + _init() { + super._init(); + + this._agent = _getGeoclueAgent(); + + this._indicator = this._addIndicator(); + this._indicator.icon_name = 'location-services-active-symbolic'; + this._agent.bind_property('in-use', + this._indicator, + 'visible', + GObject.BindingFlags.SYNC_CREATE); + } +}); + +var AppAuthorizer = class { + constructor(desktopId, reqAccuracyLevel, permStoreProxy, maxAccuracyLevel) { + this.desktopId = desktopId; + this.reqAccuracyLevel = reqAccuracyLevel; + this._permStoreProxy = permStoreProxy; + this._maxAccuracyLevel = maxAccuracyLevel; + this._permissions = {}; + + this._accuracyLevel = GeoclueAccuracyLevel.NONE; + } + + async authorize() { + let appSystem = Shell.AppSystem.get_default(); + this._app = appSystem.lookup_app(`${this.desktopId}.desktop`); + if (this._app == null || this._permStoreProxy == null) + return this._completeAuth(); + + try { + [this._permissions] = await this._permStoreProxy.LookupAsync( + APP_PERMISSIONS_TABLE, + APP_PERMISSIONS_ID); + } catch (error) { + if (error.domain === Gio.DBusError) { + // Likely no xdg-app installed, just authorize the app + this._accuracyLevel = this.reqAccuracyLevel; + this._permStoreProxy = null; + return this._completeAuth(); + } else { + // Currently xdg-app throws an error if we lookup for + // unknown ID (which would be the case first time this code + // runs) so we continue with user authorization as normal + // and ID is added to the store if user says "yes". + log(error.message); + this._permissions = {}; + } + } + + let permission = this._permissions[this.desktopId]; + + if (permission == null) { + await this._userAuthorizeApp(); + } else { + let [levelStr] = permission || ['NONE']; + this._accuracyLevel = GeoclueAccuracyLevel[levelStr] || + GeoclueAccuracyLevel.NONE; + } + + return this._completeAuth(); + } + + _userAuthorizeApp() { + let name = this._app.get_name(); + let appInfo = this._app.get_app_info(); + let reason = appInfo.get_locale_string("X-Geoclue-Reason"); + + this._dialog = + new GeolocationDialog(name, reason, this.reqAccuracyLevel); + + return new Promise(resolve => { + const responseId = this._dialog.connect('response', + (dialog, level) => { + this._dialog.disconnect(responseId); + this._accuracyLevel = level; + resolve(); + }); + this._dialog.open(); + }); + } + + _completeAuth() { + if (this._accuracyLevel != GeoclueAccuracyLevel.NONE) { + this._accuracyLevel = Math.clamp(this._accuracyLevel, + 0, this._maxAccuracyLevel); + } + this._saveToPermissionStore(); + + return this._accuracyLevel; + } + + async _saveToPermissionStore() { + if (this._permStoreProxy == null) + return; + + let levelStr = accuracyLevelToString(this._accuracyLevel); + let dateStr = Math.round(Date.now() / 1000).toString(); + this._permissions[this.desktopId] = [levelStr, dateStr]; + + let data = GLib.Variant.new('av', {}); + + try { + await this._permStoreProxy.SetAsync( + APP_PERMISSIONS_TABLE, + true, + APP_PERMISSIONS_ID, + this._permissions, + data); + } catch (error) { + log(error.message); + } + } +}; + +var GeolocationDialog = GObject.registerClass({ + Signals: { 'response': { param_types: [GObject.TYPE_UINT] } }, +}, class GeolocationDialog extends ModalDialog.ModalDialog { + _init(name, reason, reqAccuracyLevel) { + super._init({ styleClass: 'geolocation-dialog' }); + this.reqAccuracyLevel = reqAccuracyLevel; + + let content = new Dialog.MessageDialogContent({ + title: _('Allow location access'), + /* Translators: %s is an application name */ + description: _('The app %s wants to access your location').format(name), + }); + + let reasonLabel = new St.Label({ + text: reason, + style_class: 'message-dialog-description', + }); + content.add_child(reasonLabel); + + let infoLabel = new St.Label({ + text: _('Location access can be changed at any time from the privacy settings.'), + style_class: 'message-dialog-description', + }); + content.add_child(infoLabel); + + this.contentLayout.add_child(content); + + const button = this.addButton({ + label: _('Deny Access'), + action: this._onDenyClicked.bind(this), + key: Clutter.KEY_Escape, + }); + this.addButton({ + label: _('Grant Access'), + action: this._onGrantClicked.bind(this), + }); + + this.setInitialKeyFocus(button); + } + + _onGrantClicked() { + this.emit('response', this.reqAccuracyLevel); + this.close(); + } + + _onDenyClicked() { + this.emit('response', GeoclueAccuracyLevel.NONE); + this.close(); + } +}); |