/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- * * Copyright 2010 Red Hat, Inc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. * * Author: David Zeuthen <davidz@redhat.com> */ const Lang = imports.lang; const Signals = imports.signals; const Shell = imports.gi.Shell; const Clutter = imports.gi.Clutter; const St = imports.gi.St; const Pango = imports.gi.Pango; const Gdm = imports.gi.Gdm; const Gio = imports.gi.Gio; const Mainloop = imports.mainloop; const Polkit = imports.gi.Polkit; const PolkitAgent = imports.gi.PolkitAgent; const ModalDialog = imports.ui.modalDialog; function AuthenticationDialog(actionId, message, cookie, userNames) { this._init(actionId, message, cookie, userNames); } AuthenticationDialog.prototype = { __proto__: ModalDialog.ModalDialog.prototype, _init: function(actionId, message, cookie, userNames) { ModalDialog.ModalDialog.prototype._init.call(this, { styleClass: 'polkit-dialog' }); this.actionId = actionId; this.message = message; this.userNames = userNames; this._wasDismissed = false; this._completed = false; let mainContentBox = new St.BoxLayout({ style_class: 'polkit-dialog-main-layout', vertical: false }); this.contentLayout.add(mainContentBox, { x_fill: true, y_fill: true }); let icon = new St.Icon({ icon_name: 'dialog-password-symbolic' }); mainContentBox.add(icon, { x_fill: true, y_fill: false, x_align: St.Align.END, y_align: St.Align.START }); let messageBox = new St.BoxLayout({ style_class: 'polkit-dialog-message-layout', vertical: true }); mainContentBox.add(messageBox, { y_align: St.Align.START }); this._subjectLabel = new St.Label({ style_class: 'polkit-dialog-headline', text: _("Authentication Required") }); messageBox.add(this._subjectLabel, { y_fill: false, y_align: St.Align.START }); this._descriptionLabel = new St.Label({ style_class: 'polkit-dialog-description', text: message }); this._descriptionLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE; this._descriptionLabel.clutter_text.line_wrap = true; messageBox.add(this._descriptionLabel, { y_fill: true, y_align: St.Align.START }); if (userNames.length > 1) { log('polkitAuthenticationAgent: Received ' + userNames.length + ' identities that can be used for authentication. Only ' + 'considering the first one.'); } let userName = userNames[0]; this._user = Gdm.UserManager.ref_default().get_user(userName); let userRealName = this._user.get_real_name() this._userLoadedId = this._user.connect('notify::is_loaded', Lang.bind(this, this._onUserChanged)); this._userChangedId = this._user.connect('changed', Lang.bind(this, this._onUserChanged)); // Special case 'root' let userIsRoot = false; if (userName == 'root') { userIsRoot = true; userRealName = _("Administrator"); } if (userIsRoot) { let userLabel = new St.Label(({ style_class: 'polkit-dialog-user-root-label', text: userRealName })); messageBox.add(userLabel); } else { let userBox = new St.BoxLayout({ style_class: 'polkit-dialog-user-layout', vertical: false }); messageBox.add(userBox); this._userIcon = new St.Icon(); this._userIcon.hide(); userBox.add(this._userIcon, { x_fill: true, y_fill: false, x_align: St.Align.END, y_align: St.Align.START }); let userLabel = new St.Label(({ style_class: 'polkit-dialog-user-label', text: userRealName })); userBox.add(userLabel, { x_fill: true, y_fill: false, x_align: St.Align.END, y_align: St.Align.MIDDLE }); } this._onUserChanged(); this._passwordBox = new St.BoxLayout({ vertical: false }); messageBox.add(this._passwordBox); this._passwordLabel = new St.Label(({ style_class: 'polkit-dialog-password-label' })); this._passwordBox.add(this._passwordLabel); this._passwordEntry = new St.Entry({ style_class: 'polkit-dialog-password-entry', text: "", can_focus: true}); this._passwordEntry.clutter_text.connect('activate', Lang.bind(this, this._onEntryActivate)); this._passwordBox.add(this._passwordEntry, {expand: true }); this._passwordBox.hide(); this._errorMessageLabel = new St.Label({ style_class: 'polkit-dialog-error-label' }); this._errorMessageLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE; this._errorMessageLabel.clutter_text.line_wrap = true; messageBox.add(this._errorMessageLabel); this._errorMessageLabel.hide(); this._infoMessageLabel = new St.Label({ style_class: 'polkit-dialog-info-label' }); this._infoMessageLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE; this._infoMessageLabel.clutter_text.line_wrap = true; messageBox.add(this._infoMessageLabel); this._infoMessageLabel.hide(); /* text is intentionally non-blank otherwise the height is not the same as for * infoMessage and errorMessageLabel - but it is still invisible because * gnome-shell.css sets the color to be transparent */ this._nullMessageLabel = new St.Label({ style_class: 'polkit-dialog-null-label', text: 'abc'}); this._nullMessageLabel.clutter_text.ellipsize = Pango.EllipsizeMode.NONE; this._nullMessageLabel.clutter_text.line_wrap = true; messageBox.add(this._nullMessageLabel); this._nullMessageLabel.show(); this.setButtons([{ label: _("Cancel"), action: Lang.bind(this, this.cancel), key: Clutter.Escape }, { label: _("Authenticate"), action: Lang.bind(this, this._onAuthenticateButtonPressed) }]); this._doneEmitted = false; this._identityToAuth = Polkit.UnixUser.new_for_name(userName); this._cookie = cookie; this._session = new PolkitAgent.Session({ identity: this._identityToAuth, cookie: this._cookie }); this._session.connect('completed', Lang.bind(this, this._onSessionCompleted)); this._session.connect('request', Lang.bind(this, this._onSessionRequest)); this._session.connect('show-error', Lang.bind(this, this._onSessionShowError)); this._session.connect('show-info', Lang.bind(this, this._onSessionShowInfo)); // Delay focus grab to avoid ModalDialog stealing focus with // its buttons this.connect('opened', Lang.bind(this, function() { this._passwordEntry.grab_key_focus(); })); }, startAuthentication: function() { this._session.initiate(); }, _ensureOpen: function() { // NOTE: ModalDialog.open() is safe to call if the dialog is // already open - it just returns true without side-effects if (!this.open(global.get_current_time())) { // This can fail if e.g. unable to get input grab // // In an ideal world this wouldn't happen (because the // Shell is in complete control of the session) but that's // just not how things work right now. // // One way to make this happen is by running 'sleep 3; // pkexec bash' and then opening a popup menu. // // We could add retrying if this turns out to be a problem log('polkitAuthenticationAgent: Failed to show modal dialog.' + ' Dismissing authentication request for action-id ' + this.actionId + ' cookie ' + this._cookie); this._emitDone(false, true); } }, _emitDone: function(keepVisible, dismissed) { if (!this._doneEmitted) { this._doneEmitted = true; this.emit('done', keepVisible, dismissed); } }, _onEntryActivate: function() { let response = this._passwordEntry.get_text(); this._session.response(response); // When the user responds, dismiss already shown info and // error texts (if any) this._errorMessageLabel.hide(); this._infoMessageLabel.hide(); this._nullMessageLabel.show(); }, _onAuthenticateButtonPressed: function() { this._onEntryActivate(); }, _onSessionCompleted: function(session, gainedAuthorization) { if (this._completed) return; this._completed = true; if (!gainedAuthorization) { /* Unless we are showing an existing error message from the PAM * module (the PAM module could be reporting the authentication * error providing authentication-method specific information), * show "Sorry, that didn't work. Please try again." */ if (!this._errorMessageLabel.visible && !this._wasDismissed) { /* Translators: "that didn't work" refers to the fact that the * requested authentication was not gained; this can happen * because of an authentication error (like invalid password), * for instance. */ this._errorMessageLabel.set_text(_("Sorry, that didn\'t work. Please try again.")); this._errorMessageLabel.show(); this._infoMessageLabel.hide(); this._nullMessageLabel.hide(); } } this._emitDone(!gainedAuthorization, false); }, _onSessionRequest: function(session, request, echo_on) { // Cheap localization trick if (request == 'Password:') this._passwordLabel.set_text(_("Password:")); else this._passwordLabel.set_text(request); if (echo_on) this._passwordEntry.clutter_text.set_password_char(''); else this._passwordEntry.clutter_text.set_password_char('\u25cf'); // ● U+25CF BLACK CIRCLE this._passwordBox.show(); this._passwordEntry.set_text(''); this._passwordEntry.grab_key_focus(); this._ensureOpen(); }, _onSessionShowError: function(session, text) { this._passwordEntry.set_text(''); this._errorMessageLabel.set_text(text); this._errorMessageLabel.show(); this._infoMessageLabel.hide(); this._nullMessageLabel.hide(); this._ensureOpen(); }, _onSessionShowInfo: function(session, text) { this._passwordEntry.set_text(''); this._infoMessageLabel.set_text(text); this._infoMessageLabel.show(); this._errorMessageLabel.hide(); this._nullMessageLabel.hide(); this._ensureOpen(); }, destroySession: function() { if (this._session) { if (!this._completed) this._session.cancel(); this._session = null; } }, _onUserChanged: function() { if (this._user.is_loaded) { if (this._userIcon) { let iconFileName = this._user.get_icon_file(); let iconFile = Gio.file_new_for_path(iconFileName); let icon; if (iconFile.query_exists(null)) { icon = new Gio.FileIcon({file: iconFile}); } else { icon = new Gio.ThemedIcon({name: 'avatar-default'}); } this._userIcon.set_gicon (icon); this._userIcon.show(); } } }, cancel: function() { this._wasDismissed = true; this.close(global.get_current_time()); this._emitDone(false, true); }, }; Signals.addSignalMethods(AuthenticationDialog.prototype); function AuthenticationAgent() { this._init(); } AuthenticationAgent.prototype = { _init: function() { this._native = new Shell.PolkitAuthenticationAgent(); this._native.connect('initiate', Lang.bind(this, this._onInitiate)); this._native.connect('cancel', Lang.bind(this, this._onCancel)); this._currentDialog = null; this._isCompleting = false; }, _onInitiate: function(nativeAgent, actionId, message, iconName, cookie, userNames) { this._currentDialog = new AuthenticationDialog(actionId, message, cookie, userNames); // We actually don't want to open the dialog until we know for // sure that we're going to interact with the user. For // example, if the password for the identity to auth is blank // (which it will be on a live CD) then there will be no // conversation at all... of course, we don't *know* that // until we actually try it. // // See https://bugzilla.gnome.org/show_bug.cgi?id=643062 for more // discussion. this._currentDialog.connect('done', Lang.bind(this, this._onDialogDone)); this._currentDialog.startAuthentication(); }, _onCancel: function(nativeAgent) { this._completeRequest(false, false); }, _onDialogDone: function(dialog, keepVisible, dismissed) { this._completeRequest(keepVisible, dismissed); }, _reallyCompleteRequest: function(dismissed) { this._currentDialog.close(); this._currentDialog.destroySession(); this._currentDialog = null; this._isCompleting = false; this._native.complete(dismissed) }, _completeRequest: function(keepVisible, wasDismissed) { if (this._isCompleting) return; this._isCompleting = true; if (keepVisible) { // Give the user 2 seconds to read 'Authentication Failure' before // dismissing the dialog Mainloop.timeout_add(2000, Lang.bind(this, function() { this._reallyCompleteRequest(wasDismissed); })); } else { this._reallyCompleteRequest(wasDismissed); } } } function init() { let agent = new AuthenticationAgent(); }