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OIDC: persist refresh token () 

* test persistCredentials without a pickle key

* test setLoggedIn with pickle key

* lint

* type error

* extract token persisting code into function, persist refresh token

* store has_refresh_token too

* pass refreshToken from oidcAuthGrant into credentials

* rest restore session with pickle key

* comments

* prettier

* Update src/Lifecycle.ts

Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

* comments

---------

Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
pull/28788/head^2
Kerry 2023-09-19 12:06:19 +12:00 committed by GitHub
parent 50ee43c4a5
commit 46072caa3a
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5 changed files with 128 additions and 49 deletions

128
src/Lifecycle.ts
View File

@ -71,6 +71,23 @@ import GenericToast from "./components/views/toasts/GenericToast";
const HOMESERVER_URL_KEY = "mx_hs_url";
const ID_SERVER_URL_KEY = "mx_is_url";
/*
* Keys used when storing the tokens in indexeddb or localstorage
*/
const ACCESS_TOKEN_STORAGE_KEY = "mx_access_token";
const REFRESH_TOKEN_STORAGE_KEY = "mx_refresh_token";
/*
* Used as initialization vector during encryption in persistTokenInStorage
* And decryption in restoreFromLocalStorage
*/
const ACCESS_TOKEN_IV = "access_token";
const REFRESH_TOKEN_IV = "refresh_token";
/*
* Keys for localstorage items which indicate whether we expect a token in indexeddb.
*/
const HAS_ACCESS_TOKEN_STORAGE_KEY = "mx_has_access_token";
const HAS_REFRESH_TOKEN_STORAGE_KEY = "mx_has_refresh_token";
dis.register((payload) => {
if (payload.action === Action.TriggerLogout) {
// noinspection JSIgnoredPromiseFromCall - we don't care if it fails
@ -261,9 +278,8 @@ export async function attemptDelegatedAuthLogin(
*/
async function attemptOidcNativeLogin(queryParams: QueryDict): Promise<boolean> {
try {
const { accessToken, homeserverUrl, identityServerUrl, clientId, issuer } = await completeOidcLogin(
queryParams,
);
const { accessToken, refreshToken, homeserverUrl, identityServerUrl, clientId, issuer } =
await completeOidcLogin(queryParams);
const {
user_id: userId,
@ -273,6 +289,7 @@ async function attemptOidcNativeLogin(queryParams: QueryDict): Promise<boolean>
const credentials = {
accessToken,
refreshToken,
homeserverUrl,
identityServerUrl,
deviceId,
@ -503,17 +520,17 @@ export async function getStoredSessionVars(): Promise<Partial<IStoredSession>> {
const isUrl = localStorage.getItem(ID_SERVER_URL_KEY) ?? undefined;
let accessToken: string | undefined;
try {
accessToken = await StorageManager.idbLoad("account", "mx_access_token");
accessToken = await StorageManager.idbLoad("account", ACCESS_TOKEN_STORAGE_KEY);
} catch (e) {
logger.error("StorageManager.idbLoad failed for account:mx_access_token", e);
}
if (!accessToken) {
accessToken = localStorage.getItem("mx_access_token") ?? undefined;
accessToken = localStorage.getItem(ACCESS_TOKEN_STORAGE_KEY) ?? undefined;
if (accessToken) {
try {
// try to migrate access token to IndexedDB if we can
await StorageManager.idbSave("account", "mx_access_token", accessToken);
localStorage.removeItem("mx_access_token");
await StorageManager.idbSave("account", ACCESS_TOKEN_STORAGE_KEY, accessToken);
localStorage.removeItem(ACCESS_TOKEN_STORAGE_KEY);
} catch (e) {
logger.error("migration of access token to IndexedDB failed", e);
}
@ -521,7 +538,7 @@ export async function getStoredSessionVars(): Promise<Partial<IStoredSession>> {
}
// if we pre-date storing "mx_has_access_token", but we retrieved an access
// token, then we should say we have an access token
const hasAccessToken = localStorage.getItem("mx_has_access_token") === "true" || !!accessToken;
const hasAccessToken = localStorage.getItem(HAS_ACCESS_TOKEN_STORAGE_KEY) === "true" || !!accessToken;
const userId = localStorage.getItem("mx_user_id") ?? undefined;
const deviceId = localStorage.getItem("mx_device_id") ?? undefined;
@ -607,7 +624,7 @@ export async function restoreFromLocalStorage(opts?: { ignoreGuest?: boolean }):
logger.log("Got pickle key");
if (typeof accessToken !== "string") {
const encrKey = await pickleKeyToAesKey(pickleKey);
decryptedAccessToken = await decryptAES(accessToken, encrKey, "access_token");
decryptedAccessToken = await decryptAES(accessToken, encrKey, ACCESS_TOKEN_IV);
encrKey.fill(0);
}
} else {
@ -846,28 +863,41 @@ async function showStorageEvictedDialog(): Promise<boolean> {
// `instanceof`. Babel 7 supports this natively in their class handling.
class AbortLoginAndRebuildStorage extends Error {}
async function persistCredentials(credentials: IMatrixClientCreds): Promise<void> {
localStorage.setItem(HOMESERVER_URL_KEY, credentials.homeserverUrl);
if (credentials.identityServerUrl) {
localStorage.setItem(ID_SERVER_URL_KEY, credentials.identityServerUrl);
}
localStorage.setItem("mx_user_id", credentials.userId);
localStorage.setItem("mx_is_guest", JSON.stringify(credentials.guest));
// store whether we expect to find an access token, to detect the case
/**
* Persist a token in storage
* When pickle key is present, will attempt to encrypt the token
* Stores in idb, falling back to localStorage
*
* @param storageKey key used to store the token
* @param initializationVector Initialization vector for encrypting the token. Only used when `pickleKey` is present
* @param token the token to store, when undefined any existing token at the storageKey is removed from storage
* @param pickleKey optional pickle key used to encrypt token
* @param hasTokenStorageKey Localstorage key for an item which stores whether we expect to have a token in indexeddb, eg "mx_has_access_token".
*/
async function persistTokenInStorage(
storageKey: string,
initializationVector: string,
token: string | undefined,
pickleKey: string | undefined,
hasTokenStorageKey: string,
): Promise<void> {
// store whether we expect to find a token, to detect the case
// where IndexedDB is blown away
if (credentials.accessToken) {
localStorage.setItem("mx_has_access_token", "true");
if (token) {
localStorage.setItem(hasTokenStorageKey, "true");
} else {
localStorage.removeItem("mx_has_access_token");
localStorage.removeItem(hasTokenStorageKey);
}
if (credentials.pickleKey) {
let encryptedAccessToken: IEncryptedPayload | undefined;
if (pickleKey) {
let encryptedToken: IEncryptedPayload | undefined;
try {
if (!token) {
throw new Error("No token: not attempting encryption");
}
// try to encrypt the access token using the pickle key
const encrKey = await pickleKeyToAesKey(credentials.pickleKey);
encryptedAccessToken = await encryptAES(credentials.accessToken, encrKey, "access_token");
const encrKey = await pickleKeyToAesKey(pickleKey);
encryptedToken = await encryptAES(token, encrKey, initializationVector);
encrKey.fill(0);
} catch (e) {
logger.warn("Could not encrypt access token", e);
@ -876,28 +906,56 @@ async function persistCredentials(credentials: IMatrixClientCreds): Promise<void
// save either the encrypted access token, or the plain access
// token if we were unable to encrypt (e.g. if the browser doesn't
// have WebCrypto).
await StorageManager.idbSave("account", "mx_access_token", encryptedAccessToken || credentials.accessToken);
await StorageManager.idbSave("account", storageKey, encryptedToken || token);
} catch (e) {
// if we couldn't save to indexedDB, fall back to localStorage. We
// store the access token unencrypted since localStorage only saves
// strings.
if (!!credentials.accessToken) {
localStorage.setItem("mx_access_token", credentials.accessToken);
if (!!token) {
localStorage.setItem(storageKey, token);
} else {
localStorage.removeItem("mx_access_token");
localStorage.removeItem(storageKey);
}
}
localStorage.setItem("mx_has_pickle_key", String(true));
} else {
try {
await StorageManager.idbSave("account", "mx_access_token", credentials.accessToken);
await StorageManager.idbSave("account", storageKey, token);
} catch (e) {
if (!!credentials.accessToken) {
localStorage.setItem("mx_access_token", credentials.accessToken);
if (!!token) {
localStorage.setItem(storageKey, token);
} else {
localStorage.removeItem("mx_access_token");
localStorage.removeItem(storageKey);
}
}
}
}
async function persistCredentials(credentials: IMatrixClientCreds): Promise<void> {
localStorage.setItem(HOMESERVER_URL_KEY, credentials.homeserverUrl);
if (credentials.identityServerUrl) {
localStorage.setItem(ID_SERVER_URL_KEY, credentials.identityServerUrl);
}
localStorage.setItem("mx_user_id", credentials.userId);
localStorage.setItem("mx_is_guest", JSON.stringify(credentials.guest));
await persistTokenInStorage(
ACCESS_TOKEN_STORAGE_KEY,
ACCESS_TOKEN_IV,
credentials.accessToken,
credentials.pickleKey,
HAS_ACCESS_TOKEN_STORAGE_KEY,
);
await persistTokenInStorage(
REFRESH_TOKEN_STORAGE_KEY,
REFRESH_TOKEN_IV,
credentials.refreshToken,
credentials.pickleKey,
HAS_REFRESH_TOKEN_STORAGE_KEY,
);
if (credentials.pickleKey) {
localStorage.setItem("mx_has_pickle_key", String(true));
} else {
if (localStorage.getItem("mx_has_pickle_key") === "true") {
logger.error("Expected a pickle key, but none provided. Encryption may not work.");
}
@ -1090,7 +1148,7 @@ async function clearStorage(opts?: { deleteEverything?: boolean }): Promise<void
AbstractLocalStorageSettingsHandler.clear();
try {
await StorageManager.idbDelete("account", "mx_access_token");
await StorageManager.idbDelete("account", ACCESS_TOKEN_STORAGE_KEY);
} catch (e) {
logger.error("idbDelete failed for account:mx_access_token", e);
}

1
src/MatrixClientPeg.ts
View File

@ -56,6 +56,7 @@ export interface IMatrixClientCreds {
userId: string;
deviceId?: string;
accessToken: string;
refreshToken?: string;
guest?: boolean;
pickleKey?: string;
freshLogin?: boolean;

33
src/utils/oidc/authorize.ts
View File

@ -68,31 +68,36 @@ const getCodeAndStateFromQueryParams = (queryParams: QueryDict): { code: string;
return { code, state };
};
type CompleteOidcLoginResponse = {
// url of the homeserver selected during login
homeserverUrl: string;
// identity server url as discovered during login
identityServerUrl?: string;
// accessToken gained from OIDC token issuer
accessToken: string;
// refreshToken gained from OIDC token issuer, when falsy token cannot be refreshed
refreshToken?: string;
// this client's id as registered with the OIDC issuer
clientId: string;
// issuer used during authentication
issuer: string;
};
/**
* Attempt to complete authorization code flow to get an access token
* @param queryParams the query-parameters extracted from the real query-string of the starting URI.
* @returns Promise that resolves with accessToken, identityServerUrl, and homeserverUrl when login was successful
* @returns Promise that resolves with a CompleteOidcLoginResponse when login was successful
* @throws When we failed to get a valid access token
*/
export const completeOidcLogin = async (
queryParams: QueryDict,
): Promise<{
homeserverUrl: string;
identityServerUrl?: string;
accessToken: string;
clientId: string;
issuer: string;
}> => {
export const completeOidcLogin = async (queryParams: QueryDict): Promise<CompleteOidcLoginResponse> => {
const { code, state } = getCodeAndStateFromQueryParams(queryParams);
const { homeserverUrl, tokenResponse, identityServerUrl, oidcClientSettings } =
await completeAuthorizationCodeGrant(code, state);
// @TODO(kerrya) do something with the refresh token https://github.com/vector-im/element-web/issues/25444
return {
homeserverUrl: homeserverUrl,
identityServerUrl: identityServerUrl,
homeserverUrl,
identityServerUrl,
accessToken: tokenResponse.access_token,
refreshToken: tokenResponse.refresh_token,
clientId: oidcClientSettings.clientId,
issuer: oidcClientSettings.issuer,
};

14
test/Lifecycle-test.ts
View File

@ -380,6 +380,8 @@ describe("Lifecycle", () => {
jest.spyOn(mockPlatform, "createPickleKey");
});
const refreshToken = "test-refresh-token";
it("should remove fresh login flag from session storage", async () => {
await setLoggedIn(credentials);
@ -410,6 +412,18 @@ describe("Lifecycle", () => {
expect(localStorage.setItem).not.toHaveBeenCalledWith("mx_access_token", accessToken);
});
it("should persist a refreshToken when present", async () => {
await setLoggedIn({
...credentials,
refreshToken,
});
expect(StorageManager.idbSave).toHaveBeenCalledWith("account", "mx_access_token", accessToken);
expect(StorageManager.idbSave).toHaveBeenCalledWith("account", "mx_refresh_token", refreshToken);
// dont put accessToken in localstorage when we have idb
expect(localStorage.setItem).not.toHaveBeenCalledWith("mx_access_token", accessToken);
});
it("should remove any access token from storage when there is none in credentials and idb save fails", async () => {
jest.spyOn(StorageManager, "idbSave").mockRejectedValue("oups");
await setLoggedIn({

1
test/utils/oidc/authorize-test.ts
View File

@ -132,6 +132,7 @@ describe("OIDC authorization", () => {
expect(result).toEqual({
accessToken: tokenResponse.access_token,
refreshToken: tokenResponse.refresh_token,
homeserverUrl,
identityServerUrl,
issuer,