748 lines
26 KiB
JavaScript
748 lines
26 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Gio = imports.gi.Gio;
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const GLib = imports.gi.GLib;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Signals = imports.signals;
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const St = imports.gi.St;
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const Animation = imports.ui.animation;
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const Batch = imports.gdm.batch;
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const Fprint = imports.gdm.fingerprint;
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const Main = imports.ui.main;
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const Params = imports.misc.params;
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const ShellEntry = imports.ui.shellEntry;
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const Tweener = imports.ui.tweener;
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const UserWidget = imports.ui.userWidget;
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const PASSWORD_SERVICE_NAME = 'gdm-password';
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const FINGERPRINT_SERVICE_NAME = 'gdm-fingerprint';
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const FADE_ANIMATION_TIME = 0.16;
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const CLONE_FADE_ANIMATION_TIME = 0.25;
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const LOGIN_SCREEN_SCHEMA = 'org.gnome.login-screen';
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const FINGERPRINT_AUTHENTICATION_KEY = 'enable-fingerprint-authentication';
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const BANNER_MESSAGE_KEY = 'banner-message-enable';
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const BANNER_MESSAGE_TEXT_KEY = 'banner-message-text';
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const ALLOWED_FAILURES_KEY = 'allowed-failures';
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const LOGO_KEY = 'logo';
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const DISABLE_USER_LIST_KEY = 'disable-user-list';
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// Give user 16ms to read each character of a PAM message
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const USER_READ_TIME = 16
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const DEFAULT_BUTTON_WELL_ICON_SIZE = 24;
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const DEFAULT_BUTTON_WELL_ANIMATION_DELAY = 1.0;
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const DEFAULT_BUTTON_WELL_ANIMATION_TIME = 0.3;
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function fadeInActor(actor) {
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if (actor.opacity == 255 && actor.visible)
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return null;
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let hold = new Batch.Hold();
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actor.show();
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let [minHeight, naturalHeight] = actor.get_preferred_height(-1);
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actor.opacity = 0;
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actor.set_height(0);
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Tweener.addTween(actor,
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{ opacity: 255,
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height: naturalHeight,
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time: FADE_ANIMATION_TIME,
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transition: 'easeOutQuad',
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onComplete: function() {
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this.set_height(-1);
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hold.release();
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},
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});
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return hold;
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}
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function fadeOutActor(actor) {
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if (!actor.visible || actor.opacity == 0) {
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actor.opacity = 0;
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actor.hide();
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return null;
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}
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let hold = new Batch.Hold();
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Tweener.addTween(actor,
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{ opacity: 0,
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height: 0,
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time: FADE_ANIMATION_TIME,
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transition: 'easeOutQuad',
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onComplete: function() {
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this.hide();
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this.set_height(-1);
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hold.release();
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},
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});
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return hold;
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}
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function cloneAndFadeOutActor(actor) {
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// Immediately hide actor so its sibling can have its space
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// and position, but leave a non-reactive clone on-screen,
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// so from the user's point of view it smoothly fades away
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// and reveals its sibling.
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actor.hide();
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let clone = new Clutter.Clone({ source: actor,
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reactive: false });
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Main.uiGroup.add_child(clone);
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let [x, y] = actor.get_transformed_position();
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clone.set_position(x, y);
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let hold = new Batch.Hold();
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Tweener.addTween(clone,
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{ opacity: 0,
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time: CLONE_FADE_ANIMATION_TIME,
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transition: 'easeOutQuad',
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onComplete: function() {
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clone.destroy();
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hold.release();
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}
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});
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return hold;
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}
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const ShellUserVerifier = new Lang.Class({
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Name: 'ShellUserVerifier',
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_init: function(client, params) {
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params = Params.parse(params, { reauthenticationOnly: false });
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this._reauthOnly = params.reauthenticationOnly;
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this._client = client;
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this._settings = new Gio.Settings({ schema: LOGIN_SCREEN_SCHEMA });
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this._fprintManager = new Fprint.FprintManager();
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this._messageQueue = [];
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this._messageQueueTimeoutId = 0;
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this.hasPendingMessages = false;
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this._failCounter = 0;
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},
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begin: function(userName, hold) {
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this._cancellable = new Gio.Cancellable();
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this._hold = hold;
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this._userName = userName;
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this._checkForFingerprintReader();
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if (userName) {
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// If possible, reauthenticate an already running session,
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// so any session specific credentials get updated appropriately
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this._client.open_reauthentication_channel(userName, this._cancellable,
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Lang.bind(this, this._reauthenticationChannelOpened));
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} else {
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this._client.get_user_verifier(this._cancellable, Lang.bind(this, this._userVerifierGot));
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}
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},
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cancel: function() {
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if (this._cancellable)
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this._cancellable.cancel();
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if (this._userVerifier)
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this._userVerifier.call_cancel_sync(null);
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},
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clear: function() {
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if (this._cancellable) {
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this._cancellable.cancel();
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this._cancellable = null;
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}
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if (this._userVerifier) {
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this._userVerifier.run_dispose();
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this._userVerifier = null;
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}
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this._clearMessageQueue();
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},
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answerQuery: function(serviceName, answer) {
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if (!this.hasPendingMessages) {
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this._userVerifier.call_answer_query(serviceName, answer, this._cancellable, null);
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} else {
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let signalId = this.connect('no-more-messages',
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Lang.bind(this, function() {
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this.disconnect(signalId);
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this._userVerifier.call_answer_query(serviceName, answer, this._cancellable, null);
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}));
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}
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},
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_getIntervalForMessage: function(message) {
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// We probably could be smarter here
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return message.length * USER_READ_TIME;
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},
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finishMessageQueue: function() {
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if (!this.hasPendingMessages)
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return;
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this._messageQueue = [];
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this.hasPendingMessages = false;
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this.emit('no-more-messages');
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},
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_queueMessageTimeout: function() {
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if (this._messageQueue.length == 0) {
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this.finishMessageQueue();
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return;
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}
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if (this._messageQueueTimeoutId != 0)
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return;
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let message = this._messageQueue.shift();
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this.emit('show-message', message.text, message.iconName);
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this._messageQueueTimeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT,
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message.interval,
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Lang.bind(this, function() {
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this._messageQueueTimeoutId = 0;
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this._queueMessageTimeout();
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}));
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},
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_queueMessage: function(message, iconName) {
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let interval = this._getIntervalForMessage(message);
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this.hasPendingMessages = true;
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this._messageQueue.push({ text: message, interval: interval, iconName: iconName });
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this._queueMessageTimeout();
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},
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_clearMessageQueue: function() {
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this.finishMessageQueue();
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if (this._messageQueueTimeoutId != 0) {
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GLib.source_remove(this._messageQueueTimeoutId);
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this._messageQueueTimeoutId = 0;
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}
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this.emit('show-message', null, null);
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},
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_checkForFingerprintReader: function() {
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this._haveFingerprintReader = false;
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if (!this._settings.get_boolean(FINGERPRINT_AUTHENTICATION_KEY))
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return;
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this._fprintManager.GetDefaultDeviceRemote(Gio.DBusCallFlags.NONE, this._cancellable, Lang.bind(this,
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function(device, error) {
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if (!error && device)
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this._haveFingerprintReader = true;
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}));
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},
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_reportInitError: function(where, error) {
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logError(error, where);
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this._hold.release();
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this._queueMessage(_("Authentication error"), 'login-dialog-message-warning');
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this._verificationFailed(false);
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},
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_reauthenticationChannelOpened: function(client, result) {
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try {
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this._userVerifier = client.open_reauthentication_channel_finish(result);
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} catch(e if e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
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return;
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} catch(e if e.matches(Gio.DBusError, Gio.DBusError.ACCESS_DENIED) &&
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!this._reauthOnly) {
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// Gdm emits org.freedesktop.DBus.Error.AccessDenied when there is
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// no session to reauthenticate. Fall back to performing verification
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// from this login session
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client.get_user_verifier(this._cancellable, Lang.bind(this, this._userVerifierGot));
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return;
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} catch(e) {
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this._reportInitError('Failed to open reauthentication channel', e);
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return;
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}
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this._connectSignals();
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this._beginVerification();
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this._hold.release();
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},
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_userVerifierGot: function(client, result) {
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try {
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this._userVerifier = client.get_user_verifier_finish(result);
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} catch(e if e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
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return;
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} catch(e) {
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this._reportInitError('Failed to obtain user verifier', e);
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return;
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}
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this._connectSignals();
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this._beginVerification();
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this._hold.release();
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},
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_connectSignals: function() {
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this._userVerifier.connect('info', Lang.bind(this, this._onInfo));
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this._userVerifier.connect('problem', Lang.bind(this, this._onProblem));
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this._userVerifier.connect('info-query', Lang.bind(this, this._onInfoQuery));
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this._userVerifier.connect('secret-info-query', Lang.bind(this, this._onSecretInfoQuery));
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this._userVerifier.connect('conversation-stopped', Lang.bind(this, this._onConversationStopped));
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this._userVerifier.connect('reset', Lang.bind(this, this._onReset));
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this._userVerifier.connect('verification-complete', Lang.bind(this, this._onVerificationComplete));
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},
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_beginVerification: function() {
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this._hold.acquire();
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if (this._userName) {
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this._userVerifier.call_begin_verification_for_user(PASSWORD_SERVICE_NAME,
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this._userName,
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this._cancellable,
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Lang.bind(this, function(obj, result) {
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try {
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obj.call_begin_verification_for_user_finish(result);
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} catch(e if e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
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return;
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} catch(e) {
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this._reportInitError('Failed to start verification for user', e);
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return;
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}
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this._hold.release();
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}));
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if (this._haveFingerprintReader) {
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this._hold.acquire();
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this._userVerifier.call_begin_verification_for_user(FINGERPRINT_SERVICE_NAME,
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this._userName,
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this._cancellable,
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Lang.bind(this, function(obj, result) {
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try {
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obj.call_begin_verification_for_user_finish(result);
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} catch(e if e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
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return;
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} catch(e) {
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this._reportInitError('Failed to start fingerprint verification for user', e);
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return;
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}
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this._hold.release();
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}));
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}
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} else {
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this._userVerifier.call_begin_verification(PASSWORD_SERVICE_NAME,
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this._cancellable,
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Lang.bind(this, function(obj, result) {
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try {
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obj.call_begin_verification_finish(result);
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} catch(e if e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) {
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return;
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} catch(e) {
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this._reportInitError('Failed to start verification', e);
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return;
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}
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this._hold.release();
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}));
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}
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},
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_onInfo: function(client, serviceName, info) {
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// We don't display fingerprint messages, because they
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// have words like UPEK in them. Instead we use the messages
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// as a cue to display our own message.
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if (serviceName == FINGERPRINT_SERVICE_NAME &&
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this._haveFingerprintReader) {
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// Translators: this message is shown below the password entry field
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// to indicate the user can swipe their finger instead
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this.emit('show-login-hint', _("(or swipe finger)"));
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} else if (serviceName == PASSWORD_SERVICE_NAME) {
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this._queueMessage(info, 'login-dialog-message-info');
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}
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},
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_onProblem: function(client, serviceName, problem) {
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// we don't want to show auth failed messages to
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// users who haven't enrolled their fingerprint.
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if (serviceName != PASSWORD_SERVICE_NAME)
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return;
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this._queueMessage(problem, 'login-dialog-message-warning');
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},
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_onInfoQuery: function(client, serviceName, question) {
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// We only expect questions to come from the main auth service
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if (serviceName != PASSWORD_SERVICE_NAME)
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return;
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this.emit('ask-question', serviceName, question, '');
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},
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_onSecretInfoQuery: function(client, serviceName, secretQuestion) {
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// We only expect secret requests to come from the main auth service
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if (serviceName != PASSWORD_SERVICE_NAME)
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return;
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this.emit('ask-question', serviceName, secretQuestion, '\u25cf');
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},
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_onReset: function() {
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// Clear previous attempts to authenticate
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this._failCounter = 0;
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this.emit('reset');
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},
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_onVerificationComplete: function() {
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this.emit('verification-complete');
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},
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_cancelAndReset: function() {
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this.cancel();
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this._onReset();
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},
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_retry: function() {
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this.begin(this._userName, new Batch.Hold());
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},
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_verificationFailed: function(retry) {
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// For Not Listed / enterprise logins, immediately reset
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// the dialog
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// Otherwise, we allow ALLOWED_FAILURES attempts. After that, we
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// go back to the welcome screen.
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this._failCounter++;
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let canRetry = retry && this._userName &&
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this._failCounter < this._settings.get_int(ALLOWED_FAILURES_KEY);
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if (canRetry) {
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if (!this.hasPendingMessages) {
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this._retry();
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} else {
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let signalId = this.connect('no-more-messages',
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Lang.bind(this, function() {
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this.disconnect(signalId);
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this._retry();
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}));
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}
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} else {
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if (!this.hasPendingMessages) {
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this._cancelAndReset();
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} else {
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let signalId = this.connect('no-more-messages',
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Lang.bind(this, function() {
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this.disconnect(signalId);
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this._cancelAndReset();
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}));
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}
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}
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this.emit('verification-failed');
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},
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_onConversationStopped: function(client, serviceName) {
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// if the password service fails, then cancel everything.
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// But if, e.g., fingerprint fails, still give
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// password authentication a chance to succeed
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if (serviceName == PASSWORD_SERVICE_NAME) {
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this._verificationFailed(true);
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}
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this.emit('hide-login-hint');
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},
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});
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Signals.addSignalMethods(ShellUserVerifier.prototype);
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const AuthPrompt = new Lang.Class({
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Name: 'AuthPrompt',
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_init: function() {
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this.actor = new St.BoxLayout({ style_class: 'login-dialog-prompt-layout',
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vertical: true });
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this.actor.connect('key-press-event',
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Lang.bind(this, function(actor, event) {
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if (event.get_key_symbol() == Clutter.KEY_Escape) {
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this.emit('cancel');
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}
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}));
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this._userWell = new St.Bin({ x_fill: true,
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x_align: St.Align.START });
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this.actor.add(this._userWell,
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{ x_align: St.Align.START,
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x_fill: true,
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y_fill: true,
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expand: true });
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this._label = new St.Label({ style_class: 'login-dialog-prompt-label' });
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this.actor.add(this._label,
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{ expand: true,
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x_fill: true,
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y_fill: true,
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x_align: St.Align.START });
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this._entry = new St.Entry({ style_class: 'login-dialog-prompt-entry',
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can_focus: true });
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ShellEntry.addContextMenu(this._entry, { isPassword: true });
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this.actor.add(this._entry,
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{ expand: true,
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x_fill: true,
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y_fill: false,
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x_align: St.Align.START });
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this._entry.grab_key_focus();
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this._message = new St.Label({ opacity: 0 });
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this.actor.add(this._message, { x_fill: true });
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this._loginHint = new St.Label({ style_class: 'login-dialog-prompt-login-hint-message' });
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this.actor.add(this._loginHint);
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this._buttonBox = new St.BoxLayout({ style_class: 'login-dialog-button-box',
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vertical: false });
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this.actor.add(this._buttonBox,
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{ expand: true,
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x_align: St.Align.MIDDLE,
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y_align: St.Align.END });
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this._defaultButtonWell = new St.Widget();
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this._defaultButtonWellActor = null;
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this._initButtons();
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let spinnerIcon = global.datadir + '/theme/process-working.svg';
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this._spinner = new Animation.AnimatedIcon(spinnerIcon, DEFAULT_BUTTON_WELL_ICON_SIZE);
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this._spinner.actor.opacity = 0;
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this._spinner.actor.show();
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this._defaultButtonWell.add_child(this._spinner.actor);
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|
},
|
|
|
|
_initButtons: function() {
|
|
this.cancelButton = new St.Button({ style_class: 'modal-dialog-button',
|
|
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
|
|
reactive: true,
|
|
can_focus: true,
|
|
label: _("Cancel") });
|
|
this.cancelButton.connect('clicked',
|
|
Lang.bind(this, function() {
|
|
this.emit('cancel');
|
|
}));
|
|
this._buttonBox.add(this.cancelButton,
|
|
{ expand: false,
|
|
x_fill: false,
|
|
y_fill: false,
|
|
x_align: St.Align.START,
|
|
y_align: St.Align.END });
|
|
|
|
this._buttonBox.add(this._defaultButtonWell,
|
|
{ expand: true,
|
|
x_fill: false,
|
|
y_fill: false,
|
|
x_align: St.Align.END,
|
|
y_align: St.Align.MIDDLE });
|
|
this.nextButton = new St.Button({ style_class: 'modal-dialog-button',
|
|
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
|
|
reactive: true,
|
|
can_focus: true,
|
|
label: _("Next") });
|
|
this.nextButton.connect('clicked',
|
|
Lang.bind(this, function() {
|
|
this.emit('next');
|
|
}));
|
|
this.nextButton.add_style_pseudo_class('default');
|
|
this._buttonBox.add(this.nextButton,
|
|
{ expand: false,
|
|
x_fill: false,
|
|
y_fill: false,
|
|
x_align: St.Align.END,
|
|
y_align: St.Align.END });
|
|
|
|
this._updateNextButtonSensitivity(this._entry.text.length > 0);
|
|
|
|
this._entry.clutter_text.connect('text-changed',
|
|
Lang.bind(this, function() {
|
|
this._updateNextButtonSensitivity(this._entry.text.length > 0);
|
|
}));
|
|
this._entry.clutter_text.connect('activate', Lang.bind(this, function() {
|
|
this.emit('next');
|
|
}));
|
|
},
|
|
|
|
addActorToDefaultButtonWell: function(actor) {
|
|
this._defaultButtonWell.add_child(actor);
|
|
|
|
actor.add_constraint(new Clutter.AlignConstraint({ source: this._spinner.actor,
|
|
align_axis: Clutter.AlignAxis.BOTH,
|
|
factor: 0.5 }));
|
|
},
|
|
|
|
setActorInDefaultButtonWell: function(actor, animate) {
|
|
if (!this._defaultButtonWellActor &&
|
|
!actor)
|
|
return;
|
|
|
|
let oldActor = this._defaultButtonWellActor;
|
|
|
|
if (oldActor)
|
|
Tweener.removeTweens(oldActor);
|
|
|
|
let isSpinner;
|
|
if (actor == this._spinner.actor)
|
|
isSpinner = true;
|
|
else
|
|
isSpinner = false;
|
|
|
|
if (this._defaultButtonWellActor != actor && oldActor) {
|
|
if (!animate) {
|
|
oldActor.opacity = 0;
|
|
} else {
|
|
Tweener.addTween(oldActor,
|
|
{ opacity: 0,
|
|
time: DEFAULT_BUTTON_WELL_ANIMATION_TIME,
|
|
delay: DEFAULT_BUTTON_WELL_ANIMATION_DELAY,
|
|
transition: 'linear',
|
|
onCompleteScope: this,
|
|
onComplete: function() {
|
|
if (isSpinner) {
|
|
if (this._spinner)
|
|
this._spinner.stop();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
if (actor) {
|
|
if (isSpinner)
|
|
this._spinner.play();
|
|
|
|
if (!animate)
|
|
actor.opacity = 255;
|
|
else
|
|
Tweener.addTween(actor,
|
|
{ opacity: 255,
|
|
time: DEFAULT_BUTTON_WELL_ANIMATION_TIME,
|
|
delay: DEFAULT_BUTTON_WELL_ANIMATION_DELAY,
|
|
transition: 'linear' });
|
|
}
|
|
|
|
this._defaultButtonWellActor = actor;
|
|
},
|
|
|
|
startSpinning: function() {
|
|
this.setActorInDefaultButtonWell(this._spinner.actor, true);
|
|
},
|
|
|
|
stopSpinning: function() {
|
|
this.setActorInDefaultButtonWell(null, false);
|
|
},
|
|
|
|
clear: function() {
|
|
this._entry.text = '';
|
|
this.stopSpinning();
|
|
},
|
|
|
|
setPasswordChar: function(passwordChar) {
|
|
this._entry.clutter_text.set_password_char(passwordChar);
|
|
this._entry.menu.isPassword = passwordChar != '';
|
|
},
|
|
|
|
setQuestion: function(question) {
|
|
this._label.set_text(question);
|
|
|
|
this._label.show();
|
|
this._entry.show();
|
|
|
|
this._loginHint.opacity = 0;
|
|
this._loginHint.show();
|
|
|
|
this._entry.grab_key_focus();
|
|
},
|
|
|
|
getAnswer: function() {
|
|
let text = this._entry.get_text();
|
|
|
|
return text;
|
|
},
|
|
|
|
setMessage: function(message, styleClass) {
|
|
if (message) {
|
|
this._message.text = message;
|
|
this._message.styleClass = styleClass;
|
|
this._message.opacity = 255;
|
|
} else {
|
|
this._message.opacity = 0;
|
|
}
|
|
},
|
|
|
|
_updateNextButtonSensitivity: function(sensitive) {
|
|
this.nextButton.reactive = sensitive;
|
|
this.nextButton.can_focus = sensitive;
|
|
},
|
|
|
|
updateSensitivity: function(sensitive) {
|
|
this._updateNextButtonSensitivity(sensitive);
|
|
this._entry.reactive = sensitive;
|
|
this._entry.clutter_text.editable = sensitive;
|
|
},
|
|
|
|
hide: function() {
|
|
this.setActorInDefaultButtonWell(null, true);
|
|
this.actor.hide();
|
|
this._loginHint.opacity = 0;
|
|
|
|
this.setUser(null);
|
|
|
|
this.updateSensitivity(true);
|
|
this._entry.set_text('');
|
|
},
|
|
|
|
setUser: function(user) {
|
|
if (user) {
|
|
let userWidget = new UserWidget.UserWidget(user);
|
|
this._userWell.set_child(userWidget.actor);
|
|
} else {
|
|
this._userWell.set_child(null);
|
|
}
|
|
},
|
|
|
|
setHint: function(message) {
|
|
if (message) {
|
|
this._loginHint.set_text(message)
|
|
this._loginHint.opacity = 255;
|
|
} else {
|
|
this._loginHint.opacity = 0;
|
|
this._loginHint.set_text('');
|
|
}
|
|
},
|
|
|
|
reset: function() {
|
|
this._message.opacity = 0;
|
|
this.setUser(null);
|
|
this.stopSpinning();
|
|
},
|
|
|
|
addCharacter: function(unichar) {
|
|
if (!this._entry.visible)
|
|
return;
|
|
|
|
this._entry.grab_key_focus();
|
|
this._entry.clutter_text.insert_unichar(unichar);
|
|
}
|
|
});
|
|
Signals.addSignalMethods(AuthPrompt.prototype);
|