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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/** @suppress {duplicate} */
var remoting = remoting || {};
/**
* Type definition for the RunApplicationResponse returned by the API.
* @typedef {{
* status: string,
* hostJid: string,
* authorizationCode: string,
* sharedSecret: string,
* host: {
* applicationId: string,
* hostId: string
* }
* }}
*/
remoting.AppHostResponse;
(function() {
'use strict';
/**
* @param {Array<string>} appCapabilities Array of application capabilities.
*
* @constructor
* @implements {remoting.Activity}
*/
remoting.AppRemotingActivity = function(appCapabilities) {
/** @private */
this.sessionFactory_ = new remoting.ClientSessionFactory(
document.querySelector('#client-container .client-plugin-container'),
appCapabilities);
/** @private {remoting.ClientSession} */
this.session_ = null;
/** @private {base.Disposables} */
this.connectedDisposables_ = null;
};
remoting.AppRemotingActivity.prototype.dispose = function() {
this.cleanup_();
remoting.LoadingWindow.close();
};
remoting.AppRemotingActivity.prototype.start = function() {
remoting.LoadingWindow.show();
var that = this;
return remoting.identity.getToken().then(function(/** string */ token) {
return that.getAppHostInfo_(token);
}).then(function(/** !remoting.Xhr.Response */ response) {
that.onAppHostResponse_(response);
});
};
remoting.AppRemotingActivity.prototype.stop = function() {
if (this.session_) {
this.session_.disconnect(remoting.Error.none());
}
};
/** @private */
remoting.AppRemotingActivity.prototype.cleanup_ = function() {
base.dispose(this.connectedDisposables_);
this.connectedDisposables_ = null;
base.dispose(this.session_);
this.session_ = null;
};
/**
* @param {string} token
* @return {Promise<!remoting.Xhr.Response>}
* @private
*/
remoting.AppRemotingActivity.prototype.getAppHostInfo_ = function(token) {
var url = remoting.settings.APP_REMOTING_API_BASE_URL + '/applications/' +
remoting.settings.getAppRemotingApplicationId() + '/run';
return new remoting.Xhr({
method: 'POST',
url: url,
oauthToken: token
}).start();
};
/**
* @param {!remoting.Xhr.Response} xhrResponse
* @private
*/
remoting.AppRemotingActivity.prototype.onAppHostResponse_ =
function(xhrResponse) {
if (xhrResponse.status == 200) {
var response = /** @type {remoting.AppHostResponse} */
(base.jsonParseSafe(xhrResponse.getText()));
if (response &&
response.status &&
response.status == 'done' &&
response.hostJid &&
response.authorizationCode &&
response.sharedSecret &&
response.host &&
response.host.hostId) {
var hostJid = response.hostJid;
var host = new remoting.Host(response.host.hostId);
host.jabberId = hostJid;
host.authorizationCode = response.authorizationCode;
host.sharedSecret = response.sharedSecret;
remoting.setMode(remoting.AppMode.CLIENT_CONNECTING);
/**
* @param {string} tokenUrl Token-issue URL received from the host.
* @param {string} hostPublicKey Host public key (DER and Base64
* encoded).
* @param {string} scope OAuth scope to request the token for.
* @param {function(string, string):void} onThirdPartyTokenFetched
* Callback.
*/
var fetchThirdPartyToken = function(
tokenUrl, hostPublicKey, scope, onThirdPartyTokenFetched) {
// Use the authentication tokens returned by the app-remoting server.
onThirdPartyTokenFetched(host['authorizationCode'],
host['sharedSecret']);
};
var credentialsProvider = new remoting.CredentialsProvider(
{fetchThirdPartyToken: fetchThirdPartyToken});
var that = this;
this.sessionFactory_.createSession(this).then(
function(/** remoting.ClientSession */ session) {
that.session_ = session;
session.logHostOfflineErrors(true);
session.getLogger().setLogEntryMode(
remoting.ServerLogEntry.VALUE_MODE_APP_REMOTING);
session.connect(host, credentialsProvider);
});
} else if (response && response.status == 'pending') {
this.onConnectionFailed(new remoting.Error(
remoting.Error.Tag.SERVICE_UNAVAILABLE));
}
} else {
console.error('Invalid "runApplication" response from server.');
// The orchestrator returns 403 if the user is not whitelisted to run the
// app, which gets translated to a generic error message, so pick something
// a bit more user-friendly.
var error = xhrResponse.status == 403 ?
new remoting.Error(remoting.Error.Tag.APP_NOT_AUTHORIZED) :
remoting.Error.fromHttpStatus(xhrResponse.status);
this.onConnectionFailed(error);
}
};
/**
* @param {remoting.ConnectionInfo} connectionInfo
*/
remoting.AppRemotingActivity.prototype.onConnected = function(connectionInfo) {
var connectedView = new remoting.AppConnectedView(
document.getElementById('client-container'), connectionInfo);
var idleDetector = new remoting.IdleDetector(
document.getElementById('idle-dialog'), this.stop.bind(this));
// Map Cmd to Ctrl on Mac since hosts typically use Ctrl for keyboard
// shortcuts, but we want them to act as natively as possible.
if (remoting.platformIsMac()) {
connectionInfo.plugin().setRemapKeys('0x0700e3>0x0700e0,0x0700e7>0x0700e4');
}
// Drop the session after 30s of suspension as we cannot recover from a
// connectivity loss longer than 30s anyways.
this.session_.dropSessionOnSuspend(30 * 1000);
this.connectedDisposables_ = new base.Disposables(connectedView);
};
/**
* @param {remoting.Error} error
*/
remoting.AppRemotingActivity.prototype.onDisconnected = function(error) {
if (error.isNone()) {
chrome.app.window.current().close();
} else {
this.onConnectionDropped_();
}
};
/**
* @param {!remoting.Error} error
*/
remoting.AppRemotingActivity.prototype.onConnectionFailed = function(error) {
remoting.LoadingWindow.close();
this.showErrorMessage_(error);
this.cleanup_();
};
/** @private */
remoting.AppRemotingActivity.prototype.onConnectionDropped_ = function() {
// Don't dispose the session here to keep the plugin alive so that we can show
// the last frame of the remote application window.
base.dispose(this.connectedDisposables_);
this.connectedDisposables_ = null;
var rootElement = /** @type {HTMLDialogElement} */ (
document.getElementById('connection-dropped-dialog'));
var dialog = new remoting.Html5ModalDialog({
dialog: rootElement,
primaryButton: rootElement.querySelector('.restart-button'),
secondaryButton: rootElement.querySelector('.close-button'),
closeOnEscape: false
});
var that = this;
dialog.show().then(function(/** remoting.MessageDialog.Result */ result) {
if (result === remoting.MessageDialog.Result.PRIMARY) {
// Hide the windows of the remote application with setDesktopRects([])
// before tearing down the plugin.
remoting.windowShape.setDesktopRects([]);
that.cleanup_();
that.start();
} else {
chrome.app.window.current().close();
}
});
};
/**
* @param {!remoting.Error} error The error to be localized and displayed.
* @private
*/
remoting.AppRemotingActivity.prototype.showErrorMessage_ = function(error) {
console.error('Connection failed: ' + error.toString());
remoting.MessageWindow.showErrorMessage(
remoting.app.getApplicationName(),
chrome.i18n.getMessage(error.getTag()));
};
})();
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