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/* -*- js-indent-level: 2; indent-tabs-mode: nil -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* 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/. */
/*
* This alternate implementation of IdentityService provides just the
* channels for navigator.id, leaving the certificate storage to a
* server-provided app.
*
* On b2g, the messages identity-controller-watch, -request, and
* -logout, are observed by the component SignInToWebsite.jsm.
*/
"use strict";
this.EXPORTED_SYMBOLS = ["IdentityService"];
const Cu = Components.utils;
const Ci = Components.interfaces;
const Cc = Components.classes;
const Cr = Components.results;
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");
function log(...aMessageArgs) {
Logger.log.apply(Logger, ["minimal core"].concat(aMessageArgs));
}
function reportError(...aMessageArgs) {
Logger.reportError.apply(Logger, ["core"].concat(aMessageArgs));
}
function IDService() {
Services.obs.addObserver(this, "quit-application-granted", false);
// simplify, it's one object
this.RP = this;
this.IDP = this;
// keep track of flows
this._rpFlows = {};
this._authFlows = {};
this._provFlows = {};
}
IDService.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports, Ci.nsIObserver]),
observe: function observe(aSubject, aTopic, aData) {
switch (aTopic) {
case "quit-application-granted":
this.shutdown();
break;
}
},
shutdown: function() {
Services.obs.removeObserver(this, "quit-application-granted");
},
/**
* Parse an email into username and domain if it is valid, else return null
*/
parseEmail: function parseEmail(email) {
var match = email.match(/^([^@]+)@([^@^/]+.[a-z]+)$/);
if (match) {
return {
username: match[1],
domain: match[2]
};
}
return null;
},
/**
* Register a listener for a given windowID as a result of a call to
* navigator.id.watch().
*
* @param aCaller
* (Object) an object that represents the caller document, and
* is expected to have properties:
* - id (unique, e.g. uuid)
* - loggedInUser (string or null)
* - origin (string)
*
* and a bunch of callbacks
* - doReady()
* - doLogin()
* - doLogout()
* - doError()
* - doCancel()
*
*/
watch: function watch(aRpCaller) {
// store the caller structure and notify the UI observers
this._rpFlows[aRpCaller.id] = aRpCaller;
log("flows:", Object.keys(this._rpFlows).join(', '));
let options = makeMessageObject(aRpCaller);
log("sending identity-controller-watch:", options);
Services.obs.notifyObservers({wrappedJSObject: options}, "identity-controller-watch", null);
},
/*
* The RP has gone away; remove handles to the hidden iframe.
* It's probable that the frame will already have been cleaned up.
*/
unwatch: function unwatch(aRpId, aTargetMM) {
let rp = this._rpFlows[aRpId];
if (!rp) {
return;
}
let options = makeMessageObject({
id: aRpId,
origin: rp.origin,
messageManager: aTargetMM
});
log("sending identity-controller-unwatch for id", options.id, options.origin);
Services.obs.notifyObservers({wrappedJSObject: options}, "identity-controller-unwatch", null);
// Stop sending messages to this window
delete this._rpFlows[aRpId];
},
/**
* 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) {
let rp = this._rpFlows[aRPId];
if (!rp) {
reportError("request() called before watch()");
return;
}
// Notify UX to display identity picker.
// Pass the doc id to UX so it can pass it back to us later.
let options = makeMessageObject(rp);
objectCopy(aOptions, options);
Services.obs.notifyObservers({wrappedJSObject: options}, "identity-controller-request", null);
},
/**
* 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) {
let rp = this._rpFlows[aRpCallerId];
if (!rp) {
reportError("logout() called before watch()");
return;
}
let options = makeMessageObject(rp);
Services.obs.notifyObservers({wrappedJSObject: options}, "identity-controller-logout", null);
},
childProcessShutdown: function childProcessShutdown(messageManager) {
Object.keys(this._rpFlows).forEach(function(key) {
if (this._rpFlows[key]._mm === messageManager) {
log("child process shutdown for rp", key, "- deleting flow");
delete this._rpFlows[key];
}
}, this);
},
/*
* once the UI-and-display-logic components have received
* notifications, they call back with direct invocation of the
* following functions (doLogin, doLogout, or doReady)
*/
doLogin: function doLogin(aRpCallerId, aAssertion, aInternalParams) {
let rp = this._rpFlows[aRpCallerId];
if (!rp) {
log("WARNING: doLogin found no rp to go with callerId " + aRpCallerId);
return;
}
rp.doLogin(aAssertion, aInternalParams);
},
doLogout: function doLogout(aRpCallerId) {
let rp = this._rpFlows[aRpCallerId];
if (!rp) {
log("WARNING: doLogout found no rp to go with callerId " + aRpCallerId);
return;
}
// Logout from every site with the same origin
let origin = rp.origin;
Object.keys(this._rpFlows).forEach(function(key) {
let rp = this._rpFlows[key];
if (rp.origin === origin) {
rp.doLogout();
}
}.bind(this));
},
doReady: function doReady(aRpCallerId) {
let rp = this._rpFlows[aRpCallerId];
if (!rp) {
log("WARNING: doReady found no rp to go with callerId " + aRpCallerId);
return;
}
rp.doReady();
},
doCancel: function doCancel(aRpCallerId) {
let rp = this._rpFlows[aRpCallerId];
if (!rp) {
log("WARNING: doCancel found no rp to go with callerId " + aRpCallerId);
return;
}
rp.doCancel();
}
};
this.IdentityService = new IDService();
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