High level picture

Firefox Sync on Firefox OS

Authentication and security

Everything is encrypted on the client

onepw protocol

• Verified Firefox Accounts
• Session Token
• BrowserID certificate -> BrowserID assertions
• Crypto keys: kA and kB

Token server

BrowserID assertion -> sync token + node assignment

onepw specification

Token server specification

Client

services/fxaccounts/*

services/common/tokenserverclient.js

Sync Storage Server

1.5 API spec

HAWK authentication

https://github.com/hueniverse/hawk/

Client

• services/sync/modules (service.js, record.js, rest.js, policies.js)
• Two separate HTTP request libraries
• Spinning the event loop via the synchronous Resource

Starting from scratch

Synchronizers

Basic Storage Objects (BSOs)

Collections

• Bookmarks
• History
• Forms
• Prefs
• Tabs
• Passwords

• Clients
• Crypto
• Keys
• Meta

Synchronizer API

or maybe chrome datastores

Sync UI

SyncUIManagement API

SyncStateMachine

iOS code and documentation as reference