gnome-shell/js/gdm/authPrompt.js
Florian Müllner fd50b9a45e cleanup: Use destructuring for imports from GI
This is *much* nicer than repetitive "imports.gi" lines ...

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/399
2019-02-09 07:39:20 +01:00

513 lines
18 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const { Clutter, Pango, Shell, St } = imports.gi;
const Signals = imports.signals;
const Animation = imports.ui.animation;
const Batch = imports.gdm.batch;
const GdmUtil = imports.gdm.util;
const Params = imports.misc.params;
const ShellEntry = imports.ui.shellEntry;
const Tweener = imports.ui.tweener;
const UserWidget = imports.ui.userWidget;
var DEFAULT_BUTTON_WELL_ICON_SIZE = 16;
var DEFAULT_BUTTON_WELL_ANIMATION_DELAY = 1.0;
var DEFAULT_BUTTON_WELL_ANIMATION_TIME = 0.3;
var MESSAGE_FADE_OUT_ANIMATION_TIME = 0.5;
var AuthPromptMode = {
UNLOCK_ONLY: 0,
UNLOCK_OR_LOG_IN: 1
};
var AuthPromptStatus = {
NOT_VERIFYING: 0,
VERIFYING: 1,
VERIFICATION_FAILED: 2,
VERIFICATION_SUCCEEDED: 3
};
var BeginRequestType = {
PROVIDE_USERNAME: 0,
DONT_PROVIDE_USERNAME: 1
};
var AuthPrompt = class {
constructor(gdmClient, mode) {
this.verificationStatus = AuthPromptStatus.NOT_VERIFYING;
this._gdmClient = gdmClient;
this._mode = mode;
let reauthenticationOnly;
if (this._mode == AuthPromptMode.UNLOCK_ONLY)
reauthenticationOnly = true;
else if (this._mode == AuthPromptMode.UNLOCK_OR_LOG_IN)
reauthenticationOnly = false;
this._userVerifier = new GdmUtil.ShellUserVerifier(this._gdmClient, { reauthenticationOnly: reauthenticationOnly });
this._userVerifier.connect('ask-question', this._onAskQuestion.bind(this));
this._userVerifier.connect('show-message', this._onShowMessage.bind(this));
this._userVerifier.connect('verification-failed', this._onVerificationFailed.bind(this));
this._userVerifier.connect('verification-complete', this._onVerificationComplete.bind(this));
this._userVerifier.connect('reset', this._onReset.bind(this));
this._userVerifier.connect('smartcard-status-changed', this._onSmartcardStatusChanged.bind(this));
this._userVerifier.connect('ovirt-user-authenticated', this._onOVirtUserAuthenticated.bind(this));
this.smartcardDetected = this._userVerifier.smartcardDetected;
this.connect('next', () => {
this.updateSensitivity(false);
this.startSpinning();
if (this._queryingService) {
this._userVerifier.answerQuery(this._queryingService, this._entry.text);
} else {
this._preemptiveAnswer = this._entry.text;
}
});
this.actor = new St.BoxLayout({ style_class: 'login-dialog-prompt-layout',
vertical: true });
this.actor.connect('destroy', this._onDestroy.bind(this));
this.actor.connect('key-press-event', (actor, event) => {
if (event.get_key_symbol() == Clutter.KEY_Escape)
this.cancel();
return Clutter.EVENT_PROPAGATE;
});
this._userWell = new St.Bin({ x_fill: true,
x_align: St.Align.START });
this.actor.add(this._userWell,
{ x_align: St.Align.START,
x_fill: true,
y_fill: true,
expand: true });
this._label = new St.Label({ style_class: 'login-dialog-prompt-label' });
this.actor.add(this._label,
{ expand: true,
x_fill: false,
y_fill: true,
x_align: St.Align.START });
this._entry = new St.Entry({ style_class: 'login-dialog-prompt-entry',
can_focus: true });
ShellEntry.addContextMenu(this._entry, { isPassword: true, actionMode: Shell.ActionMode.NONE });
this.actor.add(this._entry,
{ expand: true,
x_fill: true,
y_fill: false,
x_align: St.Align.START });
this._entry.grab_key_focus();
this._message = new St.Label({ opacity: 0,
styleClass: 'login-dialog-message' });
this._message.clutter_text.line_wrap = true;
this._message.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
this.actor.add(this._message, { x_fill: false, x_align: St.Align.START, y_align: St.Align.START });
this._buttonBox = new St.BoxLayout({ style_class: 'login-dialog-button-box',
vertical: false });
this.actor.add(this._buttonBox,
{ expand: true,
x_align: St.Align.MIDDLE,
y_align: St.Align.END });
this._defaultButtonWell = new St.Widget({ layout_manager: new Clutter.BinLayout() });
this._defaultButtonWellActor = null;
this._initButtons();
this._spinner = new Animation.Spinner(DEFAULT_BUTTON_WELL_ICON_SIZE);
this._spinner.actor.opacity = 0;
this._spinner.actor.show();
this._defaultButtonWell.add_child(this._spinner.actor);
}
_onDestroy() {
this._userVerifier.destroy();
this._userVerifier = null;
}
_initButtons() {
this.cancelButton = new St.Button({ style_class: 'modal-dialog-button button',
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
reactive: true,
can_focus: true,
label: _("Cancel") });
this.cancelButton.connect('clicked', () => { this.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',
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
reactive: true,
can_focus: true,
label: _("Next") });
this.nextButton.connect('clicked', () => { 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', () => {
if (!this._userVerifier.hasPendingMessages)
this._fadeOutMessage();
this._updateNextButtonSensitivity(this._entry.text.length > 0 || this.verificationStatus == AuthPromptStatus.VERIFYING);
});
this._entry.clutter_text.connect('activate', () => {
if (this.nextButton.reactive)
this.emit('next');
});
}
_onAskQuestion(verifier, serviceName, question, passwordChar) {
if (this._queryingService)
this.clear();
this._queryingService = serviceName;
if (this._preemptiveAnswer) {
this._userVerifier.answerQuery(this._queryingService, this._preemptiveAnswer);
this._preemptiveAnswer = null;
return;
}
this.setPasswordChar(passwordChar);
this.setQuestion(question);
if (passwordChar) {
if (this._userVerifier.reauthenticating)
this.nextButton.label = _("Unlock");
else
this.nextButton.label = C_("button", "Sign In");
} else {
this.nextButton.label = _("Next");
}
this.updateSensitivity(true);
this.emit('prompted');
}
_onOVirtUserAuthenticated() {
if (this.verificationStatus != AuthPromptStatus.VERIFICATION_SUCCEEDED)
this.reset();
}
_onSmartcardStatusChanged() {
this.smartcardDetected = this._userVerifier.smartcardDetected;
// Most of the time we want to reset if the user inserts or removes
// a smartcard. Smartcard insertion "preempts" what the user was
// doing, and smartcard removal aborts the preemption.
// The exceptions are: 1) Don't reset on smartcard insertion if we're already verifying
// with a smartcard
// 2) Don't reset if we've already succeeded at verification and
// the user is getting logged in.
if (this._userVerifier.serviceIsDefault(GdmUtil.SMARTCARD_SERVICE_NAME) &&
this.verificationStatus == AuthPromptStatus.VERIFYING &&
this.smartcardDetected)
return;
if (this.verificationStatus != AuthPromptStatus.VERIFICATION_SUCCEEDED)
this.reset();
}
_onShowMessage(userVerifier, message, type) {
this.setMessage(message, type);
this.emit('prompted');
}
_onVerificationFailed(userVerifier, canRetry) {
this._queryingService = null;
this.clear();
this.updateSensitivity(canRetry);
this.setActorInDefaultButtonWell(null);
this.verificationStatus = AuthPromptStatus.VERIFICATION_FAILED;
}
_onVerificationComplete() {
this.setActorInDefaultButtonWell(null);
this.verificationStatus = AuthPromptStatus.VERIFICATION_SUCCEEDED;
this.cancelButton.reactive = false;
}
_onReset() {
this.verificationStatus = AuthPromptStatus.NOT_VERIFYING;
this.reset();
}
addActorToDefaultButtonWell(actor) {
this._defaultButtonWell.add_child(actor);
}
setActorInDefaultButtonWell(actor, animate) {
if (!this._defaultButtonWellActor &&
!actor)
return;
let oldActor = this._defaultButtonWellActor;
if (oldActor)
Tweener.removeTweens(oldActor);
let wasSpinner;
if (oldActor == this._spinner.actor)
wasSpinner = true;
else
wasSpinner = false;
let isSpinner;
if (actor == this._spinner.actor)
isSpinner = true;
else
isSpinner = false;
if (this._defaultButtonWellActor != actor && oldActor) {
if (!animate) {
oldActor.opacity = 0;
if (wasSpinner) {
if (this._spinner)
this._spinner.stop();
}
} else {
Tweener.addTween(oldActor,
{ opacity: 0,
time: DEFAULT_BUTTON_WELL_ANIMATION_TIME,
delay: DEFAULT_BUTTON_WELL_ANIMATION_DELAY,
transition: 'linear',
onCompleteScope: this,
onComplete() {
if (wasSpinner) {
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() {
this.setActorInDefaultButtonWell(this._spinner.actor, true);
}
stopSpinning() {
this.setActorInDefaultButtonWell(null, false);
}
clear() {
this._entry.text = '';
this.stopSpinning();
}
setPasswordChar(passwordChar) {
this._entry.clutter_text.set_password_char(passwordChar);
this._entry.menu.isPassword = passwordChar != '';
}
setQuestion(question) {
this._label.set_text(question);
this._label.show();
this._entry.show();
this._entry.grab_key_focus();
}
getAnswer() {
let text;
if (this._preemptiveAnswer) {
text = this._preemptiveAnswer;
this._preemptiveAnswer = null;
} else {
text = this._entry.get_text();
}
return text;
}
_fadeOutMessage() {
if (this._message.opacity == 0)
return;
Tweener.removeTweens(this._message);
Tweener.addTween(this._message,
{ opacity: 0,
time: MESSAGE_FADE_OUT_ANIMATION_TIME,
transition: 'easeOutQuad'
});
}
setMessage(message, type) {
if (type == GdmUtil.MessageType.ERROR)
this._message.add_style_class_name('login-dialog-message-warning');
else
this._message.remove_style_class_name('login-dialog-message-warning');
if (type == GdmUtil.MessageType.HINT)
this._message.add_style_class_name('login-dialog-message-hint');
else
this._message.remove_style_class_name('login-dialog-message-hint');
if (message) {
Tweener.removeTweens(this._message);
this._message.text = message;
this._message.opacity = 255;
} else {
this._message.opacity = 0;
}
}
_updateNextButtonSensitivity(sensitive) {
this.nextButton.reactive = sensitive;
this.nextButton.can_focus = sensitive;
}
updateSensitivity(sensitive) {
this._updateNextButtonSensitivity(sensitive && (this._entry.text.length > 0 || this.verificationStatus == AuthPromptStatus.VERIFYING));
this._entry.reactive = sensitive;
this._entry.clutter_text.editable = sensitive;
}
hide() {
this.setActorInDefaultButtonWell(null, true);
this.actor.hide();
this._message.opacity = 0;
this.setUser(null);
this.updateSensitivity(true);
this._entry.set_text('');
}
setUser(user) {
let oldChild = this._userWell.get_child();
if (oldChild)
oldChild.destroy();
if (user) {
let userWidget = new UserWidget.UserWidget(user);
this._userWell.set_child(userWidget.actor);
}
}
reset() {
let oldStatus = this.verificationStatus;
this.verificationStatus = AuthPromptStatus.NOT_VERIFYING;
this.cancelButton.reactive = true;
this.nextButton.label = _("Next");
this._preemptiveAnswer = null;
if (this._userVerifier)
this._userVerifier.cancel();
this._queryingService = null;
this.clear();
this._message.opacity = 0;
this.setUser(null);
this.stopSpinning();
if (oldStatus == AuthPromptStatus.VERIFICATION_FAILED)
this.emit('failed');
let beginRequestType;
if (this._mode == AuthPromptMode.UNLOCK_ONLY) {
// The user is constant at the unlock screen, so it will immediately
// respond to the request with the username
beginRequestType = BeginRequestType.PROVIDE_USERNAME;
} else if (this._userVerifier.serviceIsForeground(GdmUtil.OVIRT_SERVICE_NAME) ||
this._userVerifier.serviceIsForeground(GdmUtil.SMARTCARD_SERVICE_NAME)) {
// We don't need to know the username if the user preempted the login screen
// with a smartcard or with preauthenticated oVirt credentials
beginRequestType = BeginRequestType.DONT_PROVIDE_USERNAME;
} else {
// In all other cases, we should get the username up front.
beginRequestType = BeginRequestType.PROVIDE_USERNAME;
}
this.emit('reset', beginRequestType);
}
addCharacter(unichar) {
if (!this._entry.visible)
return;
this._entry.grab_key_focus();
this._entry.clutter_text.insert_unichar(unichar);
}
begin(params) {
params = Params.parse(params, { userName: null,
hold: null });
this.updateSensitivity(false);
let hold = params.hold;
if (!hold)
hold = new Batch.Hold();
this._userVerifier.begin(params.userName, hold);
this.verificationStatus = AuthPromptStatus.VERIFYING;
}
finish(onComplete) {
if (!this._userVerifier.hasPendingMessages) {
this._userVerifier.clear();
onComplete();
return;
}
let signalId = this._userVerifier.connect('no-more-messages', () => {
this._userVerifier.disconnect(signalId);
this._userVerifier.clear();
onComplete();
});
}
cancel() {
if (this.verificationStatus == AuthPromptStatus.VERIFICATION_SUCCEEDED) {
return;
}
this.reset();
this.emit('cancelled');
}
};
Signals.addSignalMethods(AuthPrompt.prototype);