gecko-dev/toolkit/identity/FirefoxAccounts.jsm

321 строка
9.6 KiB
JavaScript

/* 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";
this.EXPORTED_SYMBOLS = ["FirefoxAccounts"];
const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
Cu.import("resource://gre/modules/Log.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/identity/LogUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "objectCopy",
"resource://gre/modules/identity/IdentityUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "makeMessageObject",
"resource://gre/modules/identity/IdentityUtils.jsm");
// loglevel preference should be one of: "FATAL", "ERROR", "WARN", "INFO",
// "CONFIG", "DEBUG", "TRACE" or "ALL". We will be logging error messages by
// default.
const PREF_LOG_LEVEL = "identity.fxaccounts.loglevel";
try {
this.LOG_LEVEL =
Services.prefs.getPrefType(PREF_LOG_LEVEL) == Ci.nsIPrefBranch.PREF_STRING
&& Services.prefs.getCharPref(PREF_LOG_LEVEL);
} catch (e) {
this.LOG_LEVEL = Log.Level.Error;
}
var log = Log.repository.getLogger("Identity.FxAccounts");
log.level = LOG_LEVEL;
log.addAppender(new Log.ConsoleAppender(new Log.BasicFormatter()));
#ifdef MOZ_B2G
XPCOMUtils.defineLazyModuleGetter(this, "FxAccountsManager",
"resource://gre/modules/FxAccountsManager.jsm",
"FxAccountsManager");
Cu.import("resource://gre/modules/FxAccountsCommon.js");
#else
log.warn("The FxAccountsManager is only functional in B2G at this time.");
var FxAccountsManager = null;
var ONVERIFIED_NOTIFICATION = null;
var ONLOGIN_NOTIFICATION = null;
var ONLOGOUT_NOTIFICATION = null;
#endif
function FxAccountsService() {
Services.obs.addObserver(this, "quit-application-granted", false);
if (ONVERIFIED_NOTIFICATION) {
Services.obs.addObserver(this, ONVERIFIED_NOTIFICATION, false);
Services.obs.addObserver(this, ONLOGIN_NOTIFICATION, false);
Services.obs.addObserver(this, ONLOGOUT_NOTIFICATION, false);
}
// Maintain interface parity with Identity.jsm and MinimalIdentity.jsm
this.RP = this;
this._rpFlows = new Map();
// Enable us to mock FxAccountsManager service in testing
this.fxAccountsManager = FxAccountsManager;
}
FxAccountsService.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports, Ci.nsIObserver]),
observe: function observe(aSubject, aTopic, aData) {
switch (aTopic) {
case null:
// Guard against matching null ON*_NOTIFICATION
break;
case ONVERIFIED_NOTIFICATION:
log.debug("Received " + ONVERIFIED_NOTIFICATION + "; firing request()s");
for (let [rpId,] of this._rpFlows) {
this.request(rpId);
}
break;
case ONLOGIN_NOTIFICATION:
log.debug("Received " + ONLOGIN_NOTIFICATION + "; doLogin()s fired");
for (let [rpId,] of this._rpFlows) {
this.request(rpId);
}
break;
case ONLOGOUT_NOTIFICATION:
log.debug("Received " + ONLOGOUT_NOTIFICATION + "; doLogout()s fired");
for (let [rpId,] of this._rpFlows) {
this.doLogout(rpId);
}
break;
case "quit-application-granted":
Services.obs.removeObserver(this, "quit-application-granted");
if (ONVERIFIED_NOTIFICATION) {
Services.obs.removeObserver(this, ONVERIFIED_NOTIFICATION);
Services.obs.removeObserver(this, ONLOGIN_NOTIFICATION);
Services.obs.removeObserver(this, ONLOGOUT_NOTIFICATION);
}
break;
}
},
cleanupRPRequest: function(aRp) {
aRp.pendingRequest = false;
this._rpFlows.set(aRp.id, aRp);
},
/**
* Register a listener for a given windowID as a result of a call to
* navigator.id.watch().
*
* @param aRPCaller
* (Object) an object that represents the caller document, and
* is expected to have properties:
* - id (unique, e.g. uuid)
* - origin (string)
*
* and a bunch of callbacks
* - doReady()
* - doLogin()
* - doLogout()
* - doError()
* - doCancel()
*
*/
watch: function watch(aRpCaller) {
this._rpFlows.set(aRpCaller.id, aRpCaller);
log.debug("watch: " + aRpCaller.id);
log.debug("Current rp flows: " + this._rpFlows.size);
// Log the user in, if possible, and then call ready().
let runnable = {
run: () => {
this.fxAccountsManager.getAssertion(aRpCaller.audience,
aRpCaller.principal,
{ silent:true }).then(
data => {
if (data) {
this.doLogin(aRpCaller.id, data);
} else {
this.doLogout(aRpCaller.id);
}
this.doReady(aRpCaller.id);
},
error => {
log.error("get silent assertion failed: " + JSON.stringify(error));
this.doError(aRpCaller.id, error);
}
);
}
};
Services.tm.currentThread.dispatch(runnable,
Ci.nsIThread.DISPATCH_NORMAL);
},
/**
* Delete the flow when the screen is unloaded
*/
unwatch: function(aRpCallerId, aTargetMM) {
log.debug("unwatching: " + aRpCallerId);
this._rpFlows.delete(aRpCallerId);
},
/**
* Initiate a login with user interaction as a result of a call to
* navigator.id.request().
*
* @param aRPId
* (integer) the id of the doc object obtained in .watch()
*
* @param aOptions
* (Object) options including privacyPolicy, termsOfService
*/
request: function request(aRPId, aOptions) {
aOptions = aOptions || {};
let rp = this._rpFlows.get(aRPId);
if (!rp) {
log.error("request() called before watch()");
return;
}
// We check if we already have a pending request for this RP and in that
// case we just bail out. We don't want duplicated onlogin or oncancel
// events.
if (rp.pendingRequest) {
log.debug("request() already called");
return;
}
// Otherwise, we set the RP flow with the pending request flag.
rp.pendingRequest = true;
this._rpFlows.set(rp.id, rp);
let options = makeMessageObject(rp);
objectCopy(aOptions, options);
log.debug("get assertion for " + rp.audience);
this.fxAccountsManager.getAssertion(rp.audience, rp.principal, options)
.then(
data => {
log.debug("got assertion for " + rp.audience + ": " + data);
this.doLogin(aRPId, data);
},
error => {
log.debug("get assertion failed: " + JSON.stringify(error));
// Cancellation is passed through an error channel; here we reroute.
if ((error.error && (error.error.details == "DIALOG_CLOSED_BY_USER")) ||
(error.details == "DIALOG_CLOSED_BY_USER")) {
return this.doCancel(aRPId);
}
this.doError(aRPId, error);
}
)
.then(
() => {
this.cleanupRPRequest(rp);
}
)
.catch(
() => {
this.cleanupRPRequest(rp);
}
);
},
/**
* Invoked when a user wishes to logout of a site (for instance, when clicking
* on an in-content logout button).
*
* @param aRpCallerId
* (integer) the id of the doc object obtained in .watch()
*
*/
logout: function logout(aRpCallerId) {
// XXX Bug 945363 - Resolve the SSO story for FXA and implement
// logout accordingly.
//
// For now, it makes no sense to logout from a specific RP in
// Firefox Accounts, so just directly call the logout callback.
if (!this._rpFlows.has(aRpCallerId)) {
log.error("logout() called before watch()");
return;
}
// Call logout() on the next tick
let runnable = {
run: () => {
this.fxAccountsManager.signOut().then(() => {
this.doLogout(aRpCallerId);
});
}
};
Services.tm.currentThread.dispatch(runnable,
Ci.nsIThread.DISPATCH_NORMAL);
},
childProcessShutdown: function childProcessShutdown(messageManager) {
for (let [key,] of this._rpFlows) {
if (this._rpFlows.get(key)._mm === messageManager) {
this._rpFlows.delete(key);
}
}
},
doLogin: function doLogin(aRpCallerId, aAssertion) {
let rp = this._rpFlows.get(aRpCallerId);
if (!rp) {
log.warn("doLogin found no rp to go with callerId " + aRpCallerId);
return;
}
rp.doLogin(aAssertion);
},
doLogout: function doLogout(aRpCallerId) {
let rp = this._rpFlows.get(aRpCallerId);
if (!rp) {
log.warn("doLogout found no rp to go with callerId " + aRpCallerId);
return;
}
rp.doLogout();
},
doReady: function doReady(aRpCallerId) {
let rp = this._rpFlows.get(aRpCallerId);
if (!rp) {
log.warn("doReady found no rp to go with callerId " + aRpCallerId);
return;
}
rp.doReady();
},
doCancel: function doCancel(aRpCallerId) {
let rp = this._rpFlows.get(aRpCallerId);
if (!rp) {
log.warn("doCancel found no rp to go with callerId " + aRpCallerId);
return;
}
rp.doCancel();
},
doError: function doError(aRpCallerId, aError) {
let rp = this._rpFlows.get(aRpCallerId);
if (!rp) {
log.warn("doError found no rp to go with callerId " + aRpCallerId);
return;
}
rp.doError(aError);
}
};
this.FirefoxAccounts = new FxAccountsService();