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gecko/browser/components/loop/MozLoopService.jsm

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
// Invalid auth token as per
// https://github.com/mozilla-services/loop-server/blob/45787d34108e2f0d87d74d4ddf4ff0dbab23501c/loop/errno.json#L6
const INVALID_AUTH_TOKEN = 110;
const LOOP_SESSION_TYPE = {
GUEST: 1,
FXA: 2,
};
// See LOG_LEVELS in Console.jsm. Common examples: "All", "Info", "Warn", & "Error".
const PREF_LOG_LEVEL = "loop.debug.loglevel";
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Promise.jsm");
Cu.import("resource://gre/modules/osfile.jsm", this);
Cu.import("resource://gre/modules/Task.jsm");
Cu.import("resource://gre/modules/Timer.jsm");
Cu.import("resource://gre/modules/FxAccountsOAuthClient.jsm");
Cu.importGlobalProperties(["URL"]);
this.EXPORTED_SYMBOLS = ["MozLoopService", "LOOP_SESSION_TYPE"];
XPCOMUtils.defineLazyModuleGetter(this, "injectLoopAPI",
"resource:///modules/loop/MozLoopAPI.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "convertToRTCStatsReport",
"resource://gre/modules/media/RTCStatsReport.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Chat", "resource:///modules/Chat.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "CommonUtils",
"resource://services-common/utils.js");
XPCOMUtils.defineLazyModuleGetter(this, "CryptoUtils",
"resource://services-crypto/utils.js");
XPCOMUtils.defineLazyModuleGetter(this, "FxAccountsProfileClient",
"resource://gre/modules/FxAccountsProfileClient.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "HawkClient",
"resource://services-common/hawkclient.js");
XPCOMUtils.defineLazyModuleGetter(this, "deriveHawkCredentials",
"resource://services-common/hawkrequest.js");
XPCOMUtils.defineLazyModuleGetter(this, "LoopContacts",
"resource:///modules/loop/LoopContacts.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "LoopStorage",
"resource:///modules/loop/LoopStorage.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "LoopCalls",
"resource:///modules/loop/LoopCalls.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "LoopRooms",
"resource:///modules/loop/LoopRooms.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "roomsPushNotification",
"resource:///modules/loop/LoopRooms.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "MozLoopPushHandler",
"resource:///modules/loop/MozLoopPushHandler.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "UITour",
"resource:///modules/UITour.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "uuidgen",
"@mozilla.org/uuid-generator;1",
"nsIUUIDGenerator");
XPCOMUtils.defineLazyServiceGetter(this, "gDNSService",
"@mozilla.org/network/dns-service;1",
"nsIDNSService");
XPCOMUtils.defineLazyServiceGetter(this, "gWM",
"@mozilla.org/appshell/window-mediator;1",
"nsIWindowMediator");
// Create a new instance of the ConsoleAPI so we can control the maxLogLevel with a pref.
XPCOMUtils.defineLazyGetter(this, "log", () => {
let ConsoleAPI = Cu.import("resource://gre/modules/devtools/Console.jsm", {}).ConsoleAPI;
let consoleOptions = {
maxLogLevel: Services.prefs.getCharPref(PREF_LOG_LEVEL).toLowerCase(),
prefix: "Loop",
};
return new ConsoleAPI(consoleOptions);
});
function setJSONPref(aName, aValue) {
let value = !!aValue ? JSON.stringify(aValue) : "";
Services.prefs.setCharPref(aName, value);
}
function getJSONPref(aName) {
let value = Services.prefs.getCharPref(aName);
return !!value ? JSON.parse(value) : null;
}
let gHawkClient = null;
let gLocalizedStrings = new Map();
let gFxAEnabled = true;
let gFxAOAuthClientPromise = null;
let gFxAOAuthClient = null;
let gErrors = new Map();
let gLastWindowId = 0;
let gConversationWindowData = new Map();
/**
* Internal helper methods and state
*
* The registration is a two-part process. First we need to connect to
* and register with the push server. Then we need to take the result of that
* and register with the Loop server.
*/
let MozLoopServiceInternal = {
conversationContexts: new Map(),
mocks: {
pushHandler: undefined,
webSocket: undefined,
},
/**
* The current deferreds for the registration processes. This is set if in progress
* or the registration was successful. This is null if a registration attempt was
* unsuccessful.
*/
deferredRegistrations: new Map(),
get pushHandler() this.mocks.pushHandler || MozLoopPushHandler,
// The uri of the Loop server.
get loopServerUri() Services.prefs.getCharPref("loop.server"),
/**
* The initial delay for push registration. This ensures we don't start
* kicking off straight after browser startup, just a few seconds later.
*/
get initialRegistrationDelayMilliseconds() {
try {
// Let a pref override this for developer & testing use.
return Services.prefs.getIntPref("loop.initialDelay");
} catch (x) {
// Default to 5 seconds
return 5000;
}
return initialDelay;
},
/**
* Gets the current latest expiry time for urls.
*
* In seconds since epoch.
*/
get expiryTimeSeconds() {
try {
return Services.prefs.getIntPref("loop.urlsExpiryTimeSeconds");
} catch (x) {
// It is ok for the pref not to exist.
return 0;
}
},
/**
* Sets the expiry time to either the specified time, or keeps it the same
* depending on which is latest.
*/
set expiryTimeSeconds(time) {
if (time > this.expiryTimeSeconds) {
Services.prefs.setIntPref("loop.urlsExpiryTimeSeconds", time);
}
},
/**
* Returns true if the expiry time is in the future.
*/
urlExpiryTimeIsInFuture: function() {
return this.expiryTimeSeconds * 1000 > Date.now();
},
/**
* Retrieves MozLoopService Firefox Accounts OAuth token.
*
* @return {Object} OAuth token
*/
get fxAOAuthTokenData() {
return getJSONPref("loop.fxa_oauth.tokendata");
},
/**
* Sets MozLoopService Firefox Accounts OAuth token.
* If the tokenData is being cleared, will also clear the
* profile since the profile is dependent on the token data.
*
* @param {Object} aTokenData OAuth token
*/
set fxAOAuthTokenData(aTokenData) {
setJSONPref("loop.fxa_oauth.tokendata", aTokenData);
if (!aTokenData) {
this.fxAOAuthProfile = null;
}
},
/**
* Sets MozLoopService Firefox Accounts Profile data.
*
* @param {Object} aProfileData Profile data
*/
set fxAOAuthProfile(aProfileData) {
setJSONPref("loop.fxa_oauth.profile", aProfileData);
this.notifyStatusChanged(aProfileData ? "login" : undefined);
},
/**
* Retrieves MozLoopService "do not disturb" pref value.
*
* @return {Boolean} aFlag
*/
get doNotDisturb() {
return Services.prefs.getBoolPref("loop.do_not_disturb");
},
/**
* Sets MozLoopService "do not disturb" pref value.
*
* @param {Boolean} aFlag
*/
set doNotDisturb(aFlag) {
Services.prefs.setBoolPref("loop.do_not_disturb", Boolean(aFlag));
this.notifyStatusChanged();
},
notifyStatusChanged: function(aReason = null) {
log.debug("notifyStatusChanged with reason:", aReason);
let profile = MozLoopService.userProfile;
LoopStorage.switchDatabase(profile ? profile.uid : null);
Services.obs.notifyObservers(null, "loop-status-changed", aReason);
},
/**
* Record an error and notify interested UI with the relevant user-facing strings attached.
*
* @param {String} errorType a key to identify the type of error. Only one
* error of a type will be saved at a time. This value may be used to
* determine user-facing (aka. friendly) strings.
* @param {Object} error an object describing the error in the format from Hawk errors
* @param {Function} [actionCallback] an object describing the label and callback function for error
* bar's button e.g. to retry.
*/
setError: function(errorType, error, actionCallback = null) {
log.debug("setError", errorType, error);
let messageString, detailsString, detailsButtonLabelString, detailsButtonCallback;
const NETWORK_ERRORS = [
Cr.NS_ERROR_CONNECTION_REFUSED,
Cr.NS_ERROR_NET_INTERRUPT,
Cr.NS_ERROR_NET_RESET,
Cr.NS_ERROR_NET_TIMEOUT,
Cr.NS_ERROR_OFFLINE,
Cr.NS_ERROR_PROXY_CONNECTION_REFUSED,
Cr.NS_ERROR_UNKNOWN_HOST,
Cr.NS_ERROR_UNKNOWN_PROXY_HOST,
];
if (error.code === null && error.errno === null &&
error.error instanceof Ci.nsIException &&
NETWORK_ERRORS.indexOf(error.error.result) != -1) {
// Network error. Override errorType so we can easily clear it on the next succesful request.
errorType = "network";
messageString = "could_not_connect";
detailsString = "check_internet_connection";
detailsButtonLabelString = "retry_button";
} else if (errorType == "profile" && error.code >= 500 && error.code < 600) {
messageString = "problem_accessing_account";
} else if (error.code == 401) {
if (errorType == "login") {
messageString = "could_not_authenticate"; // XXX: Bug 1076377
detailsString = "password_changed_question";
detailsButtonLabelString = "retry_button";
detailsButtonCallback = () => MozLoopService.logInToFxA();
} else {
messageString = "session_expired_error_description";
}
} else if (error.code >= 500 && error.code < 600) {
messageString = "service_not_available";
detailsString = "try_again_later";
detailsButtonLabelString = "retry_button";
} else {
messageString = "generic_failure_title";
}
error.friendlyMessage = this.localizedStrings.get(messageString);
error.friendlyDetails = detailsString ?
this.localizedStrings.get(detailsString) :
null;
error.friendlyDetailsButtonLabel = detailsButtonLabelString ?
this.localizedStrings.get(detailsButtonLabelString) :
null;
error.friendlyDetailsButtonCallback = actionCallback || detailsButtonCallback || null;
gErrors.set(errorType, error);
this.notifyStatusChanged();
},
clearError: function(errorType) {
if (gErrors.has(errorType)) {
gErrors.delete(errorType);
this.notifyStatusChanged();
}
},
get errors() {
return gErrors;
},
/**
* Get endpoints with the push server and register for notifications.
* This should only be called from promiseRegisteredWithServers to prevent reentrancy.
*
* @param {LOOP_SESSION_TYPE} sessionType
* @return {Promise} resolves with all push endpoints
* rejects if any of the push registrations failed
*/
promiseRegisteredWithPushServer: function(sessionType) {
if (!this.deferredRegistrations.has(sessionType)) {
return Promise.reject(new Error("promiseRegisteredWithPushServer must be called while there is a " +
"deferred in deferredRegistrations in order to prevent reentrancy"));
}
// Wrap push notification registration call-back in a Promise.
function registerForNotification(channelID, onNotification) {
log.debug("registerForNotification", channelID);
return new Promise((resolve, reject) => {
function onRegistered(error, pushUrl) {
log.debug("registerForNotification onRegistered:", error, pushUrl);
if (error) {
reject(Error(error));
} else {
resolve(pushUrl);
}
}
// If we're already registered, resolve with the existing push URL
let pushURL = MozLoopServiceInternal.pushHandler.registeredChannels[channelID];
if (pushURL) {
log.debug("Using the existing push endpoint for channelID:", channelID);
resolve(pushURL);
return;
}
MozLoopServiceInternal.pushHandler.register(channelID, onRegistered, onNotification);
});
}
let options = this.mocks.webSocket ? { mockWebSocket: this.mocks.webSocket } : {};
this.pushHandler.initialize(options);
if (sessionType == LOOP_SESSION_TYPE.GUEST) {
let callsRegGuest = registerForNotification(MozLoopService.channelIDs.callsGuest,
LoopCalls.onNotification);
let roomsRegGuest = registerForNotification(MozLoopService.channelIDs.roomsGuest,
roomsPushNotification);
return Promise.all([callsRegGuest, roomsRegGuest]);
} else if (sessionType == LOOP_SESSION_TYPE.FXA) {
let callsRegFxA = registerForNotification(MozLoopService.channelIDs.callsFxA,
LoopCalls.onNotification);
let roomsRegFxA = registerForNotification(MozLoopService.channelIDs.roomsFxA,
roomsPushNotification);
return Promise.all([callsRegFxA, roomsRegFxA]);
}
return Promise.reject(new Error("promiseRegisteredWithPushServer: Invalid sessionType"));
},
/**
* Starts registration of Loop with the push server, and then will register
* with the Loop server. It will return early if already registered.
*
* @param {LOOP_SESSION_TYPE} sessionType
* @returns {Promise} a promise that is resolved with no params on completion, or
* rejected with an error code or string.
*/
promiseRegisteredWithServers: function(sessionType = LOOP_SESSION_TYPE.GUEST) {
if (this.deferredRegistrations.has(sessionType)) {
log.debug("promiseRegisteredWithServers: registration already completed or in progress:", sessionType);
return this.deferredRegistrations.get(sessionType).promise;
}
let result = null;
let deferred = Promise.defer();
log.debug("assigning to deferredRegistrations for sessionType:", sessionType);
this.deferredRegistrations.set(sessionType, deferred);
// We grab the promise early in case one of the callers below delete it from the map.
result = deferred.promise;
this.promiseRegisteredWithPushServer(sessionType).then(() => {
return this.registerWithLoopServer(sessionType);
}).then(() => {
deferred.resolve("registered to status:" + sessionType);
// No need to clear the promise here, everything was good, so we don't need
// to re-register.
}, error => {
log.error("Failed to register with Loop server with sessionType " + sessionType, error);
deferred.reject(error);
this.deferredRegistrations.delete(sessionType);
log.debug("Cleared deferredRegistration for sessionType:", sessionType);
});
return result;
},
/**
* Performs a hawk based request to the loop server - there is no pre-registration
* for this request, if this is required, use hawkRequest.
*
* @param {LOOP_SESSION_TYPE} sessionType The type of session to use for the request.
* This is one of the LOOP_SESSION_TYPE members.
* @param {String} path The path to make the request to.
* @param {String} method The request method, e.g. 'POST', 'GET'.
* @param {Object} payloadObj An object which is converted to JSON and
* transmitted with the request.
* @returns {Promise}
* Returns a promise that resolves to the response of the API call,
* or is rejected with an error. If the server response can be parsed
* as JSON and contains an 'error' property, the promise will be
* rejected with this JSON-parsed response.
*/
hawkRequestInternal: function(sessionType, path, method, payloadObj) {
if (!gHawkClient) {
gHawkClient = new HawkClient(this.loopServerUri);
}
let sessionToken;
try {
sessionToken = Services.prefs.getCharPref(this.getSessionTokenPrefName(sessionType));
} catch (x) {
// It is ok for this not to exist, we'll default to sending no-creds
}
let credentials;
if (sessionToken) {
// true = use a hex key, as required by the server (see bug 1032738).
credentials = deriveHawkCredentials(sessionToken, "sessionToken",
2 * 32, true);
}
if (payloadObj) {
// Note: we must copy the object rather than mutate it, to avoid
// mutating the values of the object passed in.
let newPayloadObj = {};
for (let property of Object.getOwnPropertyNames(payloadObj)) {
if (typeof payloadObj[property] == "string") {
newPayloadObj[property] = CommonUtils.encodeUTF8(payloadObj[property]);
} else {
newPayloadObj[property] = payloadObj[property];
}
};
payloadObj = newPayloadObj;
}
return gHawkClient.request(path, method, credentials, payloadObj).then((result) => {
this.clearError("network");
return result;
}, (error) => {
if (error.code == 401) {
this.clearSessionToken(sessionType);
if (sessionType == LOOP_SESSION_TYPE.FXA) {
MozLoopService.logOutFromFxA().then(() => {
// Set a user-visible error after logOutFromFxA clears existing ones.
this.setError("login", error);
});
} else {
if (!this.urlExpiryTimeIsInFuture()) {
// If there are no Guest URLs in the future, don't use setError to notify the user since
// there isn't a need for a Guest registration at this time.
throw error;
}
this.setError("registration", error);
}
}
throw error;
});
},
/**
* Performs a hawk based request to the loop server, registering if necessary.
*
* @param {LOOP_SESSION_TYPE} sessionType The type of session to use for the request.
* This is one of the LOOP_SESSION_TYPE members.
* @param {String} path The path to make the request to.
* @param {String} method The request method, e.g. 'POST', 'GET'.
* @param {Object} payloadObj An object which is converted to JSON and
* transmitted with the request.
* @returns {Promise}
* Returns a promise that resolves to the response of the API call,
* or is rejected with an error. If the server response can be parsed
* as JSON and contains an 'error' property, the promise will be
* rejected with this JSON-parsed response.
*/
hawkRequest: function(sessionType, path, method, payloadObj) {
log.debug("hawkRequest: " + path, sessionType);
return new Promise((resolve, reject) => {
MozLoopService.promiseRegisteredWithServers(sessionType).then(() => {
this.hawkRequestInternal(sessionType, path, method, payloadObj).then(resolve, reject);
}, err => {
reject(err);
}).catch(reject);
});
},
/**
* Generic hawkRequest onError handler for the hawkRequest promise.
*
* @param {Object} error - error reporting object
*
*/
_hawkRequestError: function(error) {
log.error("Loop hawkRequest error:", error);
throw error;
},
getSessionTokenPrefName: function(sessionType) {
let suffix;
switch (sessionType) {
case LOOP_SESSION_TYPE.GUEST:
suffix = "";
break;
case LOOP_SESSION_TYPE.FXA:
suffix = ".fxa";
break;
default:
throw new Error("Unknown LOOP_SESSION_TYPE");
break;
}
return "loop.hawk-session-token" + suffix;
},
/**
* Used to store a session token from a request if it exists in the headers.
*
* @param {LOOP_SESSION_TYPE} sessionType The type of session to use for the request.
* One of the LOOP_SESSION_TYPE members.
* @param {Object} headers The request headers, which may include a
* "hawk-session-token" to be saved.
* @return true on success or no token, false on failure.
*/
storeSessionToken: function(sessionType, headers) {
let sessionToken = headers["hawk-session-token"];
if (sessionToken) {
// XXX should do more validation here
if (sessionToken.length === 64) {
Services.prefs.setCharPref(this.getSessionTokenPrefName(sessionType), sessionToken);
log.debug("Stored a hawk session token for sessionType", sessionType);
} else {
// XXX Bubble the precise details up to the UI somehow (bug 1013248).
log.warn("Loop server sent an invalid session token");
return false;
}
}
return true;
},
/**
* Clear the loop session token so we don't use it for Hawk Requests anymore.
*
* This should normally be used after unregistering with the server so it can
* clean up session state first.
*
* @param {LOOP_SESSION_TYPE} sessionType The type of session to use for the request.
* One of the LOOP_SESSION_TYPE members.
*/
clearSessionToken: function(sessionType) {
Services.prefs.clearUserPref(this.getSessionTokenPrefName(sessionType));
log.debug("Cleared hawk session token for sessionType", sessionType);
},
/**
* Registers with the Loop server either as a guest or a FxA user. This method should only be
* called by promiseRegisteredWithServers since it prevents calling this while a registration is
* already in progress.
*
* @private
* @param {LOOP_SESSION_TYPE} sessionType The type of session e.g. guest or FxA
* @param {Boolean} [retry=true] Whether to retry if authentication fails.
* @return {Promise}
*/
registerWithLoopServer: function(sessionType, retry = true) {
log.debug("registerWithLoopServer with sessionType:", sessionType);
let callsPushURL, roomsPushURL;
if (sessionType == LOOP_SESSION_TYPE.FXA) {
callsPushURL = this.pushHandler.registeredChannels[MozLoopService.channelIDs.callsFxA];
roomsPushURL = this.pushHandler.registeredChannels[MozLoopService.channelIDs.roomsFxA];
} else if (sessionType == LOOP_SESSION_TYPE.GUEST) {
callsPushURL = this.pushHandler.registeredChannels[MozLoopService.channelIDs.callsGuest];
roomsPushURL = this.pushHandler.registeredChannels[MozLoopService.channelIDs.roomsGuest];
}
if (!callsPushURL || !roomsPushURL) {
return Promise.reject(new Error("Invalid sessionType or missing push URLs for registerWithLoopServer: " + sessionType));
}
// create a registration payload with a backwards compatible attribute (simplePushURL)
// that will register only the calls notification.
let msg = {
simplePushURL: callsPushURL,
simplePushURLs: {
calls: callsPushURL,
rooms: roomsPushURL,
},
};
return this.hawkRequestInternal(sessionType, "/registration", "POST", msg)
.then((response) => {
// If this failed we got an invalid token.
if (!this.storeSessionToken(sessionType, response.headers)) {
return Promise.reject(new Error("session-token-wrong-size"));
}
log.debug("Successfully registered with server for sessionType", sessionType);
this.clearError("registration");
return undefined;
}, (error) => {
// There's other errors than invalid auth token, but we should only do the reset
// as a last resort.
if (error.code === 401) {
// Authorization failed, invalid token, we need to try again with a new token.
if (retry) {
return this.registerWithLoopServer(sessionType, false);
}
}
log.error("Failed to register with the loop server. Error: ", error);
let deferred = Promise.defer();
deferred.promise.then(() => {
log.debug("registration retry succeeded");
},
error => {
log.debug("registration retry failed");
});
this.setError("registration", error, () => MozLoopService.delayedInitialize(deferred));
throw error;
}
);
},
/**
* Unregisters from the Loop server either as a guest or a FxA user.
*
* This is normally only wanted for FxA users as we normally want to keep the
* guest session with the device.
*
* NOTE: It is the responsibiliy of the caller the clear the session token
* after all of the notification classes: calls and rooms, for either
* Guest or FxA have been unregistered with the LoopServer.
*
* @param {LOOP_SESSION_TYPE} sessionType The type of session e.g. guest or FxA
* @param {String} pushURL The push URL previously given by the push server.
* This may not be necessary to unregister in the future.
* @return {Promise} resolving when the unregistration request finishes
*/
unregisterFromLoopServer: function(sessionType, pushURL) {
let prefType = Services.prefs.getPrefType(this.getSessionTokenPrefName(sessionType));
if (prefType == Services.prefs.PREF_INVALID) {
return Promise.resolve("already unregistered");
}
let unregisterURL = "/registration?simplePushURL=" + encodeURIComponent(pushURL);
return this.hawkRequestInternal(sessionType, unregisterURL, "DELETE")
.then(() => {
log.debug("Successfully unregistered from server for sessionType", sessionType);
},
error => {
if (error.code === 401) {
// Authorization failed, invalid token. This is fine since it may mean we already logged out.
return;
}
log.error("Failed to unregister with the loop server. Error: ", error);
throw error;
});
},
/**
* A getter to obtain and store the strings for loop. This is structured
* for use by l10n.js.
*
* @returns {Map} a map of element ids with localized string values
*/
get localizedStrings() {
if (gLocalizedStrings.size)
return gLocalizedStrings;
let stringBundle =
Services.strings.createBundle("chrome://browser/locale/loop/loop.properties");
let enumerator = stringBundle.getSimpleEnumeration();
while (enumerator.hasMoreElements()) {
let string = enumerator.getNext().QueryInterface(Ci.nsIPropertyElement);
gLocalizedStrings.set(string.key, string.value);
}
return gLocalizedStrings;
},
/**
* Saves loop logs to the saved-telemetry-pings folder.
*
* @param {Object} pc The peerConnection in question.
*/
stageForTelemetryUpload: function(window, pc) {
window.WebrtcGlobalInformation.getAllStats(allStats => {
let internalFormat = allStats.reports[0]; // filtered on pc.id
window.WebrtcGlobalInformation.getLogging('', logs => {
let report = convertToRTCStatsReport(internalFormat);
let logStr = "";
logs.forEach(s => { logStr += s + "\n"; });
// We have stats and logs.
// Create worker job. ping = saved telemetry ping file header + payload
//
// Prepare payload according to https://wiki.mozilla.org/Loop/Telemetry
let ai = Services.appinfo;
let uuid = uuidgen.generateUUID().toString();
uuid = uuid.substr(1,uuid.length-2); // remove uuid curly braces
let directory = OS.Path.join(OS.Constants.Path.profileDir,
"saved-telemetry-pings");
let job = {
directory: directory,
filename: uuid + ".json",
ping: {
reason: "loop",
slug: uuid,
payload: {
ver: 1,
info: {
appUpdateChannel: ai.defaultUpdateChannel,
appBuildID: ai.appBuildID,
appName: ai.name,
appVersion: ai.version,
reason: "loop",
OS: ai.OS,
version: Services.sysinfo.getProperty("version")
},
report: "ice failure",
connectionstate: pc.iceConnectionState,
stats: report,
localSdp: internalFormat.localSdp,
remoteSdp: internalFormat.remoteSdp,
log: logStr
}
}
};
// Send job to worker to do log sanitation, transcoding and saving to
// disk for pickup by telemetry on next startup, which then uploads it.
let worker = new ChromeWorker("MozLoopWorker.js");
worker.onmessage = function(e) {
log.info(e.data.ok ?
"Successfully staged loop report for telemetry upload." :
("Failed to stage loop report. Error: " + e.data.fail));
}
worker.postMessage(job);
});
}, pc.id);
},
/**
* Opens the chat window
*
* @param {Object} conversationWindowData The data to be obtained by the
* window when it opens.
* @returns {Number} The id of the window.
*/
openChatWindow: function(conversationWindowData) {
// So I guess the origin is the loop server!?
let origin = this.loopServerUri;
// Try getting a window ID that can (re-)identify this conversation, or resort
// to a globally unique one as a last resort.
// XXX We can clean this up once rooms and direct contact calling are the only
// two modes left.
let windowId = ("contact" in conversationWindowData) ?
conversationWindowData.contact._guid || gLastWindowId++ :
conversationWindowData.roomToken || conversationWindowData.callId ||
gLastWindowId++;
// Store the id as a string, as that's what we use elsewhere.
windowId = windowId.toString();
gConversationWindowData.set(windowId, conversationWindowData);
let url = "about:loopconversation#" + windowId;
let callback = chatbox => {
// We need to use DOMContentLoaded as otherwise the injection will happen
// in about:blank and then get lost.
// Sadly we can't use chatbox.promiseChatLoaded() as promise chaining
// involves event loop spins, which means it might be too late.
// Have we already done it?
if (chatbox.contentWindow.navigator.mozLoop) {
return;
}
chatbox.setAttribute("dark", true);
chatbox.addEventListener("DOMContentLoaded", function loaded(event) {
if (event.target != chatbox.contentDocument) {
return;
}
chatbox.removeEventListener("DOMContentLoaded", loaded, true);
let window = chatbox.contentWindow;
function socialFrameChanged(eventName) {
UITour.availableTargetsCache.clear();
UITour.notify(eventName);
}
window.addEventListener("socialFrameHide", socialFrameChanged.bind(null, "Loop:ChatWindowHidden"));
window.addEventListener("socialFrameShow", socialFrameChanged.bind(null, "Loop:ChatWindowShown"));
window.addEventListener("socialFrameDetached", socialFrameChanged.bind(null, "Loop:ChatWindowDetached"));
window.addEventListener("unload", socialFrameChanged.bind(null, "Loop:ChatWindowClosed"));
injectLoopAPI(window);
let ourID = window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils).currentInnerWindowID;
let onPCLifecycleChange = (pc, winID, type) => {
if (winID != ourID) {
return;
}
// Chat Window Id, this is different that the internal winId
let windowId = window.location.hash.slice(1);
var context = this.conversationContexts.get(windowId);
var exists = pc.id.match(/session=(\S+)/);
if (context && !exists) {
// Not ideal but insert our data amidst existing data like this:
// - 000 (id=00 url=http)
// + 000 (session=000 call=000 id=00 url=http)
var pair = pc.id.split("("); //)
if (pair.length == 2) {
pc.id = pair[0] + "(session=" + context.sessionId +
(context.callId? " call=" + context.callId : "") + " " + pair[1]; //)
}
}
if (type == "iceconnectionstatechange") {
switch(pc.iceConnectionState) {
case "failed":
case "disconnected":
if (Services.telemetry.canSend ||
Services.prefs.getBoolPref("toolkit.telemetry.test")) {
this.stageForTelemetryUpload(window, pc);
}
break;
}
}
};
let pc_static = new window.mozRTCPeerConnectionStatic();
pc_static.registerPeerConnectionLifecycleCallback(onPCLifecycleChange);
UITour.notify("Loop:ChatWindowOpened");
}.bind(this), true);
};
Chat.open(null, origin, "", url, undefined, undefined, callback);
return windowId;
},
/**
* Fetch Firefox Accounts (FxA) OAuth parameters from the Loop Server.
*
* @return {Promise} resolved with the body of the hawk request for OAuth parameters.
*/
promiseFxAOAuthParameters: function() {
const SESSION_TYPE = LOOP_SESSION_TYPE.FXA;
return this.hawkRequestInternal(SESSION_TYPE, "/fxa-oauth/params", "POST").then(response => {
if (!this.storeSessionToken(SESSION_TYPE, response.headers)) {
throw new Error("Invalid FxA hawk token returned");
}
let prefType = Services.prefs.getPrefType(this.getSessionTokenPrefName(SESSION_TYPE));
if (prefType == Services.prefs.PREF_INVALID) {
throw new Error("No FxA hawk token returned and we don't have one saved");
}
return JSON.parse(response.body);
},
error => {this._hawkRequestError(error);});
},
/**
* Get the OAuth client constructed with Loop OAauth parameters.
*
* @return {Promise}
*/
promiseFxAOAuthClient: Task.async(function* () {
// We must make sure to have only a single client otherwise they will have different states and
// multiple channels. This would happen if the user clicks the Login button more than once.
if (gFxAOAuthClientPromise) {
return gFxAOAuthClientPromise;
}
gFxAOAuthClientPromise = this.promiseFxAOAuthParameters().then(
parameters => {
try {
gFxAOAuthClient = new FxAccountsOAuthClient({
parameters: parameters,
});
} catch (ex) {
gFxAOAuthClientPromise = null;
throw ex;
}
return gFxAOAuthClient;
},
error => {
gFxAOAuthClientPromise = null;
throw error;
}
);
return gFxAOAuthClientPromise;
}),
/**
* Get the OAuth client and do the authorization web flow to get an OAuth code.
*
* @return {Promise}
*/
promiseFxAOAuthAuthorization: function() {
let deferred = Promise.defer();
this.promiseFxAOAuthClient().then(
client => {
client.onComplete = this._fxAOAuthComplete.bind(this, deferred);
client.launchWebFlow();
},
error => {
log.error(error);
deferred.reject(error);
}
);
return deferred.promise;
},
/**
* Get the OAuth token using the OAuth code and state.
*
* The caller should approperiately handle 4xx errors (which should lead to a logout)
* and 5xx or connectivity issues with messaging to try again later.
*
* @param {String} code
* @param {String} state
*
* @return {Promise} resolving with OAuth token data.
*/
promiseFxAOAuthToken: function(code, state) {
if (!code || !state) {
throw new Error("promiseFxAOAuthToken: code and state are required.");
}
let payload = {
code: code,
state: state,
};
return this.hawkRequest(LOOP_SESSION_TYPE.FXA, "/fxa-oauth/token", "POST", payload).then(response => {
return JSON.parse(response.body);
},
error => {this._hawkRequestError(error);});
},
/**
* Called once gFxAOAuthClient fires onComplete.
*
* @param {Deferred} deferred used to resolve or reject the gFxAOAuthClientPromise
* @param {Object} result (with code and state)
*/
_fxAOAuthComplete: function(deferred, result) {
gFxAOAuthClientPromise = null;
// Note: The state was already verified in FxAccountsOAuthClient.
if (result) {
deferred.resolve(result);
} else {
deferred.reject("Invalid token data");
}
},
};
Object.freeze(MozLoopServiceInternal);
let gInitializeTimerFunc = (deferredInitialization) => {
// Kick off the push notification service into registering after a timeout.
// This ensures we're not doing too much straight after the browser's finished
// starting up.
setTimeout(MozLoopService.delayedInitialize.bind(MozLoopService, deferredInitialization),
MozLoopServiceInternal.initialRegistrationDelayMilliseconds);
};
/**
* Public API
*/
this.MozLoopService = {
_DNSService: gDNSService,
get channelIDs() {
// Channel ids that will be registered with the PushServer for notifications
return {
callsFxA: "25389583-921f-4169-a426-a4673658944b",
callsGuest: "801f754b-686b-43ec-bd83-1419bbf58388",
roomsFxA: "6add272a-d316-477c-8335-f00f73dfde71",
roomsGuest: "19d3f799-a8f3-4328-9822-b7cd02765832",
};
},
set initializeTimerFunc(value) {
gInitializeTimerFunc = value;
},
get roomsParticipantsCount() {
return LoopRooms.participantsCount;
},
/**
* Initialized the loop service, and starts registration with the
* push and loop servers.
*
* @return {Promise}
*/
initialize: Task.async(function*() {
// Do this here, rather than immediately after definition, so that we can
// stub out API functions for unit testing
Object.freeze(this);
// Clear the old throttling mechanism. This code will be removed in bug 1094915,
// should be around Fx 39.
Services.prefs.clearUserPref("loop.throttled");
Services.prefs.clearUserPref("loop.throttled2");
Services.prefs.clearUserPref("loop.soft_start_ticket_number");
Services.prefs.clearUserPref("loop.soft_start_hostname");
// Don't do anything if loop is not enabled.
if (!Services.prefs.getBoolPref("loop.enabled")) {
return Promise.reject(new Error("loop is not enabled"));
}
if (Services.prefs.getPrefType("loop.fxa.enabled") == Services.prefs.PREF_BOOL) {
gFxAEnabled = Services.prefs.getBoolPref("loop.fxa.enabled");
if (!gFxAEnabled) {
yield this.logOutFromFxA();
}
}
// The Loop toolbar button should change icon when the room participant count
// changes from 0 to something.
const onRoomsChange = (e) => {
// Pass the event name as notification reason for better logging.
MozLoopServiceInternal.notifyStatusChanged("room-" + e);
};
LoopRooms.on("add", onRoomsChange);
LoopRooms.on("update", onRoomsChange);
LoopRooms.on("delete", onRoomsChange);
LoopRooms.on("joined", (e, room, participant) => {
// Don't alert if we're in the doNotDisturb mode, or the participant
// is the owner - the content code deals with the rest of the sounds.
if (MozLoopServiceInternal.doNotDisturb || participant.owner) {
return;
}
let window = gWM.getMostRecentWindow("navigator:browser");
if (window) {
window.LoopUI.showNotification({
sound: "room-joined",
title: room.roomName,
message: MozLoopServiceInternal.localizedStrings.get("rooms_room_joined_label"),
selectTab: "rooms"
});
}
});
// If expiresTime is not in the future and the user hasn't
// previously authenticated then skip registration.
if (!MozLoopServiceInternal.urlExpiryTimeIsInFuture() &&
!LoopRooms.getGuestCreatedRoom() &&
!MozLoopServiceInternal.fxAOAuthTokenData) {
return Promise.resolve("registration not needed");
}
let deferredInitialization = Promise.defer();
gInitializeTimerFunc(deferredInitialization);
return deferredInitialization.promise;
}),
/**
* The core of the initialization work that happens once the browser is ready
* (after a timer when called during startup).
*
* Can be called more than once (e.g. if the initial setup fails at some phase).
* @param {Deferred} deferredInitialization
*/
delayedInitialize: Task.async(function*(deferredInitialization) {
log.debug("delayedInitialize");
// Set or clear an error depending on how deferredInitialization gets resolved.
// We do this first so that it can handle the early returns below.
let completedPromise = deferredInitialization.promise.then(result => {
MozLoopServiceInternal.clearError("initialization");
return result;
},
error => {
// If we get a non-object then setError was already called for a different error type.
if (typeof(error) == "object") {
MozLoopServiceInternal.setError("initialization", error, () => MozLoopService.delayedInitialize(Promise.defer()));
}
});
try {
if (MozLoopServiceInternal.urlExpiryTimeIsInFuture() ||
LoopRooms.getGuestCreatedRoom()) {
yield this.promiseRegisteredWithServers(LOOP_SESSION_TYPE.GUEST);
} else {
log.debug("delayedInitialize: URL expiry time isn't in the future so not registering as a guest");
}
} catch (ex) {
log.debug("MozLoopService: Failure of guest registration", ex);
deferredInitialization.reject(ex);
yield completedPromise;
return;
}
if (!MozLoopServiceInternal.fxAOAuthTokenData) {
log.debug("delayedInitialize: Initialized without an already logged-in account");
deferredInitialization.resolve("initialized without FxA status");
yield completedPromise;
return;
}
log.debug("MozLoopService: Initializing with already logged-in account");
MozLoopServiceInternal.promiseRegisteredWithServers(LOOP_SESSION_TYPE.FXA).then(() => {
deferredInitialization.resolve("initialized to logged-in status");
}, error => {
log.debug("MozLoopService: error logging in using cached auth token");
MozLoopServiceInternal.setError("login", error);
deferredInitialization.reject("error logging in using cached auth token");
});
yield completedPromise;
}),
/**
* Opens the chat window
*
* @param {Object} conversationWindowData The data to be obtained by the
* window when it opens.
* @returns {Number} The id of the window.
*/
openChatWindow: function(conversationWindowData) {
return MozLoopServiceInternal.openChatWindow(conversationWindowData);
},
/**
* @see MozLoopServiceInternal.promiseRegisteredWithServers
*/
promiseRegisteredWithServers: function(sessionType = LOOP_SESSION_TYPE.GUEST) {
return MozLoopServiceInternal.promiseRegisteredWithServers(sessionType);
},
/**
* Used to note a call url expiry time. If the time is later than the current
* latest expiry time, then the stored expiry time is increased. For times
* sooner, this function is a no-op; this ensures we always have the latest
* expiry time for a url.
*
* This is used to determine whether or not we should be registering with the
* push server on start.
*
* @param {Integer} expiryTimeSeconds The seconds since epoch of the expiry time
* of the url.
*/
noteCallUrlExpiry: function(expiryTimeSeconds) {
MozLoopServiceInternal.expiryTimeSeconds = expiryTimeSeconds;
},
/**
* Returns the strings for the specified element. Designed for use with l10n.js.
*
* @param {key} The element id to get strings for.
* @return {String} A JSON string containing the localized attribute/value pairs
* for the element.
*/
getStrings: function(key) {
var stringData = MozLoopServiceInternal.localizedStrings;
if (!stringData.has(key)) {
log.error("No string found for key: ", key);
return "";
}
return JSON.stringify({ textContent: stringData.get(key) });
},
/**
* Returns a new GUID (UUID) in curly braces format.
*/
generateUUID: function() {
return uuidgen.generateUUID().toString();
},
/**
* Returns a new non-global id
*
* @param {Function} notUnique [optional] This function will be
* applied to test the generated id for uniqueness
* in the callers domain.
*/
generateLocalID: function(notUnique = ((id) => {return false})) {
do {
var id = Date.now().toString(36) + Math.floor((Math.random() * 4096)).toString(16);
}
while (notUnique(id));
return id;
},
/**
* Retrieves MozLoopService "do not disturb" value.
*
* @return {Boolean}
*/
get doNotDisturb() {
return MozLoopServiceInternal.doNotDisturb;
},
/**
* Sets MozLoopService "do not disturb" value.
*
* @param {Boolean} aFlag
*/
set doNotDisturb(aFlag) {
MozLoopServiceInternal.doNotDisturb = aFlag;
},
get fxAEnabled() {
return gFxAEnabled;
},
/**
* Gets the user profile, but only if there is
* tokenData present. Without tokenData, the
* profile is meaningless.
*
* @return {Object}
*/
get userProfile() {
return getJSONPref("loop.fxa_oauth.tokendata") &&
getJSONPref("loop.fxa_oauth.profile");
},
get errors() {
return MozLoopServiceInternal.errors;
},
get log() {
return log;
},
/**
* Returns the current locale
*
* @return {String} The code of the current locale.
*/
get locale() {
try {
return Services.prefs.getComplexValue("general.useragent.locale",
Ci.nsISupportsString).data;
} catch (ex) {
return "en-US";
}
},
/**
* Set any preference under "loop.".
*
* @param {String} prefSuffix The name of the pref without the preceding "loop."
* @param {*} value The value to set.
* @param {Enum} prefType Type of preference, defined at Ci.nsIPrefBranch. Optional.
*
* Any errors thrown by the Mozilla pref API are logged to the console.
*/
setLoopPref: function(prefSuffix, value, prefType) {
let prefName = "loop." + prefSuffix;
try {
if (!prefType) {
prefType = Services.prefs.getPrefType(prefName);
}
switch (prefType) {
case Ci.nsIPrefBranch.PREF_STRING:
Services.prefs.setCharPref(prefName, value);
break;
case Ci.nsIPrefBranch.PREF_INT:
Services.prefs.setIntPref(prefName, value);
break;
case Ci.nsIPrefBranch.PREF_BOOL:
Services.prefs.setBoolPref(prefName, value);
break;
default:
log.error("invalid preference type setting " + prefName);
break;
}
} catch (ex) {
log.error("setLoopPref had trouble setting " + prefName +
"; exception: " + ex);
}
},
/**
* Return any preference under "loop.".
*
* @param {String} prefName The name of the pref without the preceding
* "loop."
* @param {Enum} prefType Type of preference, defined at Ci.nsIPrefBranch. Optional.
*
* Any errors thrown by the Mozilla pref API are logged to the console
* and cause null to be returned. This includes the case of the preference
* not being found.
*
* @return {*} on success, null on error
*/
getLoopPref: function(prefSuffix, prefType) {
let prefName = "loop." + prefSuffix;
try {
if (!prefType) {
prefType = Services.prefs.getPrefType(prefName);
} else if (prefType != Services.prefs.getPrefType(prefName)) {
log.error("invalid type specified for preference");
return null;
}
switch (prefType) {
case Ci.nsIPrefBranch.PREF_STRING:
return Services.prefs.getCharPref(prefName);
case Ci.nsIPrefBranch.PREF_INT:
return Services.prefs.getIntPref(prefName);
case Ci.nsIPrefBranch.PREF_BOOL:
return Services.prefs.getBoolPref(prefName);
default:
log.error("invalid preference type getting " + prefName);
return null;
}
} catch (ex) {
log.error("getLoopPref had trouble getting " + prefName +
"; exception: " + ex);
return null;
}
},
/**
* Start the FxA login flow using the OAuth client and params from the Loop server.
*
* The caller should be prepared to handle rejections related to network, server or login errors.
*
* @return {Promise} that resolves when the FxA login flow is complete.
*/
logInToFxA: function() {
log.debug("logInToFxA with fxAOAuthTokenData:", !!MozLoopServiceInternal.fxAOAuthTokenData);
if (MozLoopServiceInternal.fxAOAuthTokenData) {
return Promise.resolve(MozLoopServiceInternal.fxAOAuthTokenData);
}
return MozLoopServiceInternal.promiseFxAOAuthAuthorization().then(response => {
return MozLoopServiceInternal.promiseFxAOAuthToken(response.code, response.state);
}).then(tokenData => {
MozLoopServiceInternal.fxAOAuthTokenData = tokenData;
return tokenData;
}).then(tokenData => {
return MozLoopServiceInternal.promiseRegisteredWithServers(LOOP_SESSION_TYPE.FXA).then(() => {
MozLoopServiceInternal.clearError("login");
MozLoopServiceInternal.clearError("profile");
return MozLoopServiceInternal.fxAOAuthTokenData;
});
}).then(tokenData => {
let client = new FxAccountsProfileClient({
serverURL: gFxAOAuthClient.parameters.profile_uri,
token: tokenData.access_token
});
client.fetchProfile().then(result => {
MozLoopServiceInternal.fxAOAuthProfile = result;
}, error => {
log.error("Failed to retrieve profile", error);
this.setError("profile", error);
MozLoopServiceInternal.fxAOAuthProfile = null;
MozLoopServiceInternal.notifyStatusChanged();
});
return tokenData;
}).catch(error => {
MozLoopServiceInternal.fxAOAuthTokenData = null;
MozLoopServiceInternal.fxAOAuthProfile = null;
MozLoopServiceInternal.deferredRegistrations.delete(LOOP_SESSION_TYPE.FXA);
throw error;
}).catch((error) => {
MozLoopServiceInternal.setError("login", error);
// Re-throw for testing
throw error;
});
},
/**
* Logs the user out from FxA.
*
* Gracefully handles if the user is already logged out.
*
* @return {Promise} that resolves when the FxA logout flow is complete.
*/
logOutFromFxA: Task.async(function*() {
log.debug("logOutFromFxA");
let pushHandler = MozLoopServiceInternal.pushHandler;
let callsPushUrl = pushHandler.registeredChannels[MozLoopService.channelIDs.callsFxA];
let roomsPushUrl = pushHandler.registeredChannels[MozLoopService.channelIDs.roomsFxA];
try {
if (callsPushUrl) {
yield MozLoopServiceInternal.unregisterFromLoopServer(LOOP_SESSION_TYPE.FXA, callsPushUrl);
}
if (roomsPushUrl) {
yield MozLoopServiceInternal.unregisterFromLoopServer(LOOP_SESSION_TYPE.FXA, roomsPushUrl);
}
} catch (error) {
throw error;
} finally {
MozLoopServiceInternal.clearSessionToken(LOOP_SESSION_TYPE.FXA);
MozLoopServiceInternal.fxAOAuthTokenData = null;
MozLoopServiceInternal.fxAOAuthProfile = null;
MozLoopServiceInternal.deferredRegistrations.delete(LOOP_SESSION_TYPE.FXA);
// Reset the client since the initial promiseFxAOAuthParameters() call is
// what creates a new session.
gFxAOAuthClient = null;
gFxAOAuthClientPromise = null;
// clearError calls notifyStatusChanged so should be done last when the
// state is clean.
MozLoopServiceInternal.clearError("registration");
MozLoopServiceInternal.clearError("login");
MozLoopServiceInternal.clearError("profile");
}
}),
openFxASettings: Task.async(function() {
try {
let fxAOAuthClient = yield MozLoopServiceInternal.promiseFxAOAuthClient();
if (!fxAOAuthClient) {
log.error("Could not get the OAuth client");
return;
}
let url = new URL("/settings", fxAOAuthClient.parameters.content_uri);
let win = Services.wm.getMostRecentWindow("navigator:browser");
win.switchToTabHavingURI(url.toString(), true);
} catch (ex) {
log.error("Error opening FxA settings", ex);
}
}),
/**
* Opens the Getting Started tour in the browser.
*
* @param {String} aSrc
* - The UI element that the user used to begin the tour, optional.
*/
openGettingStartedTour: Task.async(function(aSrc = null) {
try {
let urlStr = Services.prefs.getCharPref("loop.gettingStarted.url");
let url = new URL(Services.urlFormatter.formatURL(urlStr));
if (aSrc) {
url.searchParams.set("utm_source", "firefox-browser");
url.searchParams.set("utm_medium", "firefox-browser");
url.searchParams.set("utm_campaign", aSrc);
}
let win = Services.wm.getMostRecentWindow("navigator:browser");
win.switchToTabHavingURI(url, true, {replaceQueryString: true});
} catch (ex) {
log.error("Error opening Getting Started tour", ex);
}
}),
/**
* Performs a hawk based request to the loop server.
*
* @param {LOOP_SESSION_TYPE} sessionType The type of session to use for the request.
* One of the LOOP_SESSION_TYPE members.
* @param {String} path The path to make the request to.
* @param {String} method The request method, e.g. 'POST', 'GET'.
* @param {Object} payloadObj An object which is converted to JSON and
* transmitted with the request.
* @returns {Promise}
* Returns a promise that resolves to the response of the API call,
* or is rejected with an error. If the server response can be parsed
* as JSON and contains an 'error' property, the promise will be
* rejected with this JSON-parsed response.
*/
hawkRequest: function(sessionType, path, method, payloadObj) {
return MozLoopServiceInternal.hawkRequest(sessionType, path, method, payloadObj).catch(
error => {MozLoopServiceInternal._hawkRequestError(error);});
},
/**
* Returns the window data for a specific conversation window id.
*
* This data will be relevant to the type of window, e.g. rooms or calls.
* See LoopRooms or LoopCalls for more information.
*
* @param {String} conversationWindowId
* @returns {Object} The window data or null if error.
*/
getConversationWindowData: function(conversationWindowId) {
if (gConversationWindowData.has(conversationWindowId)) {
var conversationData = gConversationWindowData.get(conversationWindowId);
gConversationWindowData.delete(conversationWindowId);
return conversationData;
}
log.error("Window data was already fetched before. Possible race condition!");
return null;
},
getConversationContext: function(winId) {
return MozLoopServiceInternal.conversationContexts.get(winId);
},
addConversationContext: function(windowId, context) {
MozLoopServiceInternal.conversationContexts.set(windowId, context);
}
};
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