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@ -5,6 +5,7 @@ import * as R from "ramda"; |
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import { Account, AccountsSchema } from "./tables/accounts"; |
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import { Contact, ContactSchema } from "./tables/contacts"; |
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import { Log, LogSchema } from "./tables/logs"; |
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import { MASTER_SECRET_KEY, Secret, SecretSchema } from "./tables/secret"; |
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import { |
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MASTER_SETTINGS_KEY, |
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Settings, |
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@ -14,6 +15,7 @@ import { Temp, TempSchema } from "./tables/temp"; |
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import { DEFAULT_ENDORSER_API_SERVER } from "@/constants/app"; |
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// Define types for tables that hold sensitive and non-sensitive data
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type SecretTable = { secret: Table<Secret> }; |
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type SensitiveTables = { accounts: Table<Account> }; |
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type NonsensitiveTables = { |
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contacts: Table<Contact>; |
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@ -23,25 +25,39 @@ type NonsensitiveTables = { |
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}; |
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// Using 'unknown' instead of 'any' for stricter typing and to avoid TypeScript warnings
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export type SecretDexie<T extends unknown = SecretTable> = BaseDexie & T; |
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export type SensitiveDexie<T extends unknown = SensitiveTables> = BaseDexie & T; |
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export type NonsensitiveDexie<T extends unknown = NonsensitiveTables> = |
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BaseDexie & T; |
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// Initialize Dexie databases for sensitive and non-sensitive data
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export const accountsDB = new BaseDexie("TimeSafariAccounts") as SensitiveDexie; |
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export const db = new BaseDexie("TimeSafari") as NonsensitiveDexie; |
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//// Initialize the DBs, starting with the sensitive ones.
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// Manage the encryption key. If not present in localStorage, create and store it.
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const secret = |
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localStorage.getItem("secret") || Encryption.createRandomEncryptionKey(); |
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if (!localStorage.getItem("secret")) localStorage.setItem("secret", secret); |
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// Initialize Dexie database for secret, which is then used to encrypt accountsDB
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export const secretDB = new BaseDexie("TimeSafariSecret") as SecretDexie; |
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secretDB.version(1).stores(SecretSchema); |
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// Apply encryption to the sensitive database using the secret key
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encrypted(accountsDB, { secretKey: secret }); |
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// Initialize Dexie database for accounts
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const accountsDexie = new BaseDexie("TimeSafariAccounts") as SensitiveDexie; |
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// Instead of accountsDBPromise, use libs/util retrieveAccountMetadata or retrieveFullyDecryptedAccount
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// so that it's clear whether the usage needs the private key inside.
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//
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// This is a promise because the decryption key comes from IndexedDB
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// and someday it may come from a password or keystore or external wallet.
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// It's important that usages take into account that there may be a delay due
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// to a user action required to unlock the data.
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export const accountsDBPromise = useSecretAndInitializeAccountsDB( |
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secretDB, |
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accountsDexie, |
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); |
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//// Now initialize the other DB.
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// Initialize Dexie databases for non-sensitive data
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export const db = new BaseDexie("TimeSafari") as NonsensitiveDexie; |
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// Define the schemas for our databases
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// Only the tables with index modifications need listing. https://dexie.org/docs/Tutorial/Design#database-versioning
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accountsDB.version(1).stores(AccountsSchema); |
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// v1 also had contacts & settings
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// v2 added Log
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db.version(2).stores({ |
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@ -73,6 +89,79 @@ db.on("populate", async () => { |
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await db.settings.add(DEFAULT_SETTINGS); |
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}); |
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// Manage the encryption key.
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// It's not really secure to maintain the secret next to the user's data.
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// However, until we have better hooks into a real wallet or reliable secure
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// storage, we'll do this for user convenience. As they sign more records
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// and integrate with more people, they'll value it more and want to be more
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// secure, so we'll prompt them to take steps to back it up, properly encrypt,
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// etc. At the beginning, we'll prompt for a password, then we'll prompt for a
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// PWA so it's not in a browser... and then we hope to be integrated with a
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// real wallet or something else more secure.
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// One might ask: why encrypt at all? We figure a basic encryption is better
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// than none. Plus, we expect to support their own password or keystore or
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// external wallet as better signing options in the future, so it's gonna be
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// important to have the structure where each account access might require
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// user action.
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// (Once upon a time we stored the secret in localStorage, but it frequently
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// got erased, even though the IndexedDB still had the identity data. This
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// ended up throwing lots of errors to the user... and they'd end up in a state
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// where they couldn't take action because they couldn't unlock that identity.)
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// check for the secret in storage
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async function useSecretAndInitializeAccountsDB( |
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secretDB: SecretDexie, |
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accountsDB: SensitiveDexie, |
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): Promise<SensitiveDexie> { |
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return secretDB |
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.open() |
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.then(() => { |
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return secretDB.secret.get(MASTER_SECRET_KEY); |
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}) |
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.then((secretRow?: Secret) => { |
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let secret = secretRow?.secret; |
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if (secret != null) { |
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// they already have it in IndexedDB, so just pass it along
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return secret; |
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} else { |
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// check localStorage (for users before v 0.3.37)
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const localSecret = localStorage.getItem("secret"); |
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if (localSecret != null) { |
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// they had one, so we want to move it to IndexedDB
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secret = localSecret; |
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} else { |
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// they didn't have one, so let's generate one
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secret = Encryption.createRandomEncryptionKey(); |
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} |
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// it is not in IndexedDB, so add it now
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return secretDB.secret |
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.add({ id: MASTER_SECRET_KEY, secret }) |
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.then(() => { |
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return secret; |
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}); |
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} |
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}) |
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.then((secret?: string) => { |
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if (secret == null) { |
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throw new Error("No secret found or created."); |
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} else { |
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// apply encryption to the sensitive database using the secret key
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encrypted(accountsDB, { secretKey: secret }); |
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accountsDB.version(1).stores(AccountsSchema); |
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accountsDB.open(); |
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return accountsDB; |
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} |
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}) |
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.catch((error) => { |
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logConsoleAndDb("Error processing secret & encrypted accountsDB.", error); |
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// alert("There was an error processing encrypted data. See the Help page.");
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throw error; |
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}); |
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} |
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// retrieves default settings
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// calls db.open()
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export async function retrieveSettingsForDefaultAccount(): Promise<Settings> { |
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