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Diffstat (limited to 'js/ui/components/automountManager.js')
| -rw-r--r-- | js/ui/components/automountManager.js | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/js/ui/components/automountManager.js b/js/ui/components/automountManager.js new file mode 100644 index 0000000..1cb84a7 --- /dev/null +++ b/js/ui/components/automountManager.js @@ -0,0 +1,259 @@ +// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- +/* exported Component */ + +const { Gio, GLib } = imports.gi; +const Params = imports.misc.params; + +const GnomeSession = imports.misc.gnomeSession; +const Main = imports.ui.main; +const ShellMountOperation = imports.ui.shellMountOperation; + +var GNOME_SESSION_AUTOMOUNT_INHIBIT = 16; + +// GSettings keys +const SETTINGS_SCHEMA = 'org.gnome.desktop.media-handling'; +const SETTING_ENABLE_AUTOMOUNT = 'automount'; + +var AUTORUN_EXPIRE_TIMEOUT_SECS = 10; + +var AutomountManager = class { + constructor() { + this._settings = new Gio.Settings({ schema_id: SETTINGS_SCHEMA }); + this._volumeQueue = []; + this._activeOperations = new Map(); + this._session = new GnomeSession.SessionManager(); + this._session.connectSignal('InhibitorAdded', + this._InhibitorsChanged.bind(this)); + this._session.connectSignal('InhibitorRemoved', + this._InhibitorsChanged.bind(this)); + this._inhibited = false; + + this._volumeMonitor = Gio.VolumeMonitor.get(); + } + + enable() { + this._volumeAddedId = this._volumeMonitor.connect('volume-added', this._onVolumeAdded.bind(this)); + this._volumeRemovedId = this._volumeMonitor.connect('volume-removed', this._onVolumeRemoved.bind(this)); + this._driveConnectedId = this._volumeMonitor.connect('drive-connected', this._onDriveConnected.bind(this)); + this._driveDisconnectedId = this._volumeMonitor.connect('drive-disconnected', this._onDriveDisconnected.bind(this)); + this._driveEjectButtonId = this._volumeMonitor.connect('drive-eject-button', this._onDriveEjectButton.bind(this)); + + this._mountAllId = GLib.idle_add(GLib.PRIORITY_DEFAULT, this._startupMountAll.bind(this)); + GLib.Source.set_name_by_id(this._mountAllId, '[gnome-shell] this._startupMountAll'); + } + + disable() { + this._volumeMonitor.disconnect(this._volumeAddedId); + this._volumeMonitor.disconnect(this._volumeRemovedId); + this._volumeMonitor.disconnect(this._driveConnectedId); + this._volumeMonitor.disconnect(this._driveDisconnectedId); + this._volumeMonitor.disconnect(this._driveEjectButtonId); + + if (this._mountAllId > 0) { + GLib.source_remove(this._mountAllId); + this._mountAllId = 0; + } + } + + _InhibitorsChanged(_object, _senderName, [_inhibitor]) { + this._session.IsInhibitedRemote(GNOME_SESSION_AUTOMOUNT_INHIBIT, + (result, error) => { + if (!error) + this._inhibited = result[0]; + }); + } + + _startupMountAll() { + let volumes = this._volumeMonitor.get_volumes(); + volumes.forEach(volume => { + this._checkAndMountVolume(volume, { checkSession: false, + useMountOp: false, + allowAutorun: false }); + }); + + this._mountAllId = 0; + return GLib.SOURCE_REMOVE; + } + + _onDriveConnected() { + // if we're not in the current ConsoleKit session, + // or screensaver is active, don't play sounds + if (!this._session.SessionIsActive) + return; + + let player = global.display.get_sound_player(); + player.play_from_theme('device-added-media', + _("External drive connected"), + null); + } + + _onDriveDisconnected() { + // if we're not in the current ConsoleKit session, + // or screensaver is active, don't play sounds + if (!this._session.SessionIsActive) + return; + + let player = global.display.get_sound_player(); + player.play_from_theme('device-removed-media', + _("External drive disconnected"), + null); + } + + _onDriveEjectButton(monitor, drive) { + // TODO: this code path is not tested, as the GVfs volume monitor + // doesn't emit this signal just yet. + if (!this._session.SessionIsActive) + return; + + // we force stop/eject in this case, so we don't have to pass a + // mount operation object + if (drive.can_stop()) { + drive.stop(Gio.MountUnmountFlags.FORCE, null, null, + (o, res) => { + try { + drive.stop_finish(res); + } catch (e) { + log('Unable to stop the drive after drive-eject-button %s'.format(e.toString())); + } + }); + } else if (drive.can_eject()) { + drive.eject_with_operation(Gio.MountUnmountFlags.FORCE, null, null, + (o, res) => { + try { + drive.eject_with_operation_finish(res); + } catch (e) { + log('Unable to eject the drive after drive-eject-button %s'.format(e.toString())); + } + }); + } + } + + _onVolumeAdded(monitor, volume) { + this._checkAndMountVolume(volume); + } + + _checkAndMountVolume(volume, params) { + params = Params.parse(params, { checkSession: true, + useMountOp: true, + allowAutorun: true }); + + if (params.checkSession) { + // if we're not in the current ConsoleKit session, + // don't attempt automount + if (!this._session.SessionIsActive) + return; + } + + if (this._inhibited) + return; + + // Volume is already mounted, don't bother. + if (volume.get_mount()) + return; + + if (!this._settings.get_boolean(SETTING_ENABLE_AUTOMOUNT) || + !volume.should_automount() || + !volume.can_mount()) { + // allow the autorun to run anyway; this can happen if the + // mount gets added programmatically later, even if + // should_automount() or can_mount() are false, like for + // blank optical media. + this._allowAutorun(volume); + this._allowAutorunExpire(volume); + + return; + } + + if (params.useMountOp) { + let operation = new ShellMountOperation.ShellMountOperation(volume); + this._mountVolume(volume, operation, params.allowAutorun); + } else { + this._mountVolume(volume, null, params.allowAutorun); + } + } + + _mountVolume(volume, operation, allowAutorun) { + if (allowAutorun) + this._allowAutorun(volume); + + let mountOp = operation ? operation.mountOp : null; + this._activeOperations.set(volume, operation); + + volume.mount(0, mountOp, null, + this._onVolumeMounted.bind(this)); + } + + _onVolumeMounted(volume, res) { + this._allowAutorunExpire(volume); + + try { + volume.mount_finish(res); + this._closeOperation(volume); + } catch (e) { + // FIXME: we will always get G_IO_ERROR_FAILED from the gvfs udisks + // backend, see https://bugs.freedesktop.org/show_bug.cgi?id=51271 + // To reask the password if the user input was empty or wrong, we + // will check for corresponding error messages. However, these + // error strings are not unique for the cases in the comments below. + if (e.message.includes('No key available with this passphrase') || // cryptsetup + e.message.includes('No key available to unlock device') || // udisks (no password) + // libblockdev wrong password opening LUKS device + e.message.includes('Failed to activate device: Incorrect passphrase') || + // cryptsetup returns EINVAL in many cases, including wrong TCRYPT password/parameters + e.message.includes('Failed to load device\'s parameters: Invalid argument')) { + + this._reaskPassword(volume); + } else { + if (e.message.includes('Compiled against a version of libcryptsetup that does not support the VeraCrypt PIM setting')) { + Main.notifyError(_("Unable to unlock volume"), + _("The installed udisks version does not support the PIM setting")); + } + + if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.FAILED_HANDLED)) + log('Unable to mount volume %s: %s'.format(volume.get_name(), e.toString())); + this._closeOperation(volume); + } + } + } + + _onVolumeRemoved(monitor, volume) { + if (volume._allowAutorunExpireId && volume._allowAutorunExpireId > 0) { + GLib.source_remove(volume._allowAutorunExpireId); + delete volume._allowAutorunExpireId; + } + this._volumeQueue = + this._volumeQueue.filter(element => element != volume); + } + + _reaskPassword(volume) { + let prevOperation = this._activeOperations.get(volume); + let existingDialog = prevOperation ? prevOperation.borrowDialog() : null; + let operation = + new ShellMountOperation.ShellMountOperation(volume, + { existingDialog }); + this._mountVolume(volume, operation); + } + + _closeOperation(volume) { + let operation = this._activeOperations.get(volume); + if (!operation) + return; + operation.close(); + this._activeOperations.delete(volume); + } + + _allowAutorun(volume) { + volume.allowAutorun = true; + } + + _allowAutorunExpire(volume) { + let id = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, AUTORUN_EXPIRE_TIMEOUT_SECS, () => { + volume.allowAutorun = false; + delete volume._allowAutorunExpireId; + return GLib.SOURCE_REMOVE; + }); + volume._allowAutorunExpireId = id; + GLib.Source.set_name_by_id(id, '[gnome-shell] volume.allowAutorun'); + } +}; +var Component = AutomountManager; |