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(core) Handle old Grist sessions in MFAConfig

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Summary:
Grist sessions created pre-MFA do not store access or
refresh tokens, which means that MFA status from Cognito
can't be loaded without requiring re-authentication. MFAConfig
handles this by requiring security verification as usual, and
checking if it needs to reload MFA status on success. If it does, it'll
close the 2FA setup dialog and reload, which should show the correct
2FA configuration status and buttons.

Test Plan: Updated existing tests.

Reviewers: paulfitz

Reviewed By: paulfitz

Differential Revision: https://phab.getgrist.com/D3231
pull/124/head
George Gevoian 2 years ago
parent 3289fe330f
commit f74002fe32
2 changed files with 53 additions and 24 deletions
Show Stats Download Patch File Download Diff File

72
app/client/ui/MFAConfig.ts
Unescape View File

@ -10,7 +10,7 @@ import {cssModalBody, cssModalTitle, IModalControl, modal,
cssModalButtons as modalButtons} from 'app/client/ui2018/modals';
import {ApiError} from 'app/common/ApiError';
import {FullUser} from 'app/common/LoginSessionAPI';
import {AuthMethod, UserMFAPreferences} from 'app/common/UserAPI';
import {AuthMethod, ChallengeRequired, UserMFAPreferences} from 'app/common/UserAPI';
import {Disposable, dom, input, makeTestId, MultiHolder, Observable, styled} from 'grainjs';
import {toDataURL} from 'qrcode';
@ -91,7 +91,7 @@ export class MFAConfig extends Disposable {
return [
!isSmsMfaEnabled && !isSoftwareTokenMfaEnabled ?
cssTextBtn(
'Enable two-factor authentication',
'Configure two-factor authentication',
dom.on('click', () => this._showAddAuthMethodModal(undefined, {
onSuccess: () => {
reportSuccess('Two-factor authentication enabled');
@ -177,7 +177,7 @@ export class MFAConfig extends Disposable {
* Displays a modal that allows users to enable a MFA method for their account.
*
* @param {AuthMethod | undefined} method If specified, skips the 'choose-auth-method' step.
* @param {() => void} options.onSuccess Called after successfully adding a auth method.
* @param {() => void} options.onSuccess Called after successfully adding an auth method.
*/
private _showAddAuthMethodModal(
method: AuthMethod | undefined,
@ -192,7 +192,26 @@ export class MFAConfig extends Disposable {
switch (step) {
case 'verify-password': {
return [
this._buildSecurityVerificationForm(ctl, {onSuccess: async () => {
this._buildSecurityVerificationForm(ctl, {onSuccess: async (hadSecondStep) => {
/**
* If method was unspecified, but second step verification occured, we know that
* the client doesn't have up-to-date 2FA preferences. Close the modal, and force
* a refresh of UserMFAPreferences, which should cause the correct buttons to be
* rendered once preferences are loaded.
*
* This is ultimately caused by older Grist sessions (pre-2FA) not having access
* or refresh tokens, which makes it impossible to get MFA status without first
* requiring that users re-authenticate. Token-less sessions currently return a
* disabled status for all 2FA methods as an interim solution, until all old
* sessions have expired (3 months).
*
* TODO: Revisit this 3 months after this commit has landed in prod; we may no longer
* need much of these changes.
*/
if (!method && hadSecondStep) {
ctl.close();
this._options.onChange();
}
if (!method) { return currentStep.set('choose-auth-method'); }
currentStep.set(method === 'SMS' ? 'configure-phone-message' : 'configure-auth-app');
@ -272,6 +291,7 @@ export class MFAConfig extends Disposable {
* Displays a modal that allows users to disable a MFA method for their account.
*
* @param {AuthMethod} method The auth method to disable.
* @param {() => void} options.onSuccess Called after successfully disabling an auth method.
*/
private _showDisableAuthMethodModal(method: AuthMethod, options: {onSuccess: () => void}): void {
return modal((ctl, owner) => {
@ -336,12 +356,15 @@ export class MFAConfig extends Disposable {
*
* @param {() => void} options.onSuccess Called after successful completion of verification.
*/
private _buildSecurityVerificationForm(ctl: IModalControl, {onSuccess}: {onSuccess: () => void}) {
private _buildSecurityVerificationForm(
ctl: IModalControl,
{onSuccess}: {onSuccess: (hadSecondStep: boolean) => void}
) {
const holder = new MultiHolder();
const securityStep = Observable.create<'password' | 'sms' | 'totp' | 'loading'>(holder, 'password');
const password = Observable.create(holder, '');
const maskedPhoneNumber = Observable.create(holder, '');
const session = Observable.create(holder, '');
const challengeDetails = Observable.create<ChallengeRequired | null>(holder, null);
return [
dom.autoDispose(holder),
@ -382,11 +405,11 @@ export class MFAConfig extends Disposable {
handleSubmit(pending,
({password: pass}) => this._verifyPassword(pass),
(result) => {
if (!result.isChallengeRequired) { return onSuccess(); }
if (!result.isChallengeRequired) { return onSuccess(false); }
session.set(result.session);
challengeDetails.set(result);
if (result.challengeName === 'SMS_MFA') {
maskedPhoneNumber.set(result.deliveryDestination!);
securityStep.set('sms');
} else {
securityStep.set('totp');
@ -408,7 +431,7 @@ export class MFAConfig extends Disposable {
const pending = Observable.create(multiHolder, false);
const verificationCode = Observable.create(multiHolder, '');
const errorObs: Observable<string|null> = Observable.create(multiHolder, null);
const smsNumber = this._mfaPrefs.get()?.phoneNumber;
const {isAlternateChallengeAvailable, deliveryDestination} = challengeDetails.get()!;
return dom.frag(
dom.autoDispose(pending.addListener(isPending => isPending && errorObs.set(null))),
@ -432,17 +455,18 @@ export class MFAConfig extends Disposable {
cssFormError(dom.text(use => use(errorObs) ?? ''), testId('form-error')),
handleSubmit(pending,
({verificationCode: code, session: s}) => this._verifySecondStep('TOTP', code, s),
() => onSuccess(),
() => onSuccess(true),
(err) => handleFormError(err, errorObs),
),
cssModalButtons(
bigPrimaryButton('Submit', dom.boolAttr('disabled', pending), testId('submit')),
bigBasicButton('Cancel', dom.on('click', () => ctl.close()), testId('cancel')),
),
!this._mfaPrefs.get()?.isSmsMfaEnabled || !smsNumber ? null : cssSubText(
'Receive a code by SMS?',
!isAlternateChallengeAvailable ? null : cssSubText(
'Receive a code by SMS? ',
cssLink(
` Text ${smsNumber}.`,
// Use masked phone from prefs or challenge response, if available.
`Text ${deliveryDestination}.`,
dom.on('click', async () => {
if (pending.get()) { return; }
@ -451,7 +475,7 @@ export class MFAConfig extends Disposable {
const result = await this._verifyPassword(password.get(), 'SMS');
if (result.isChallengeRequired) {
session.set(result.session);
maskedPhoneNumber.set(result.deliveryDestination!);
challengeDetails.set(result);
securityStep.set('sms');
}
} catch (err) {
@ -479,6 +503,7 @@ export class MFAConfig extends Disposable {
errorObs.set(null);
verificationCode.set('');
});
const {isAlternateChallengeAvailable, deliveryDestination} = challengeDetails.get()!;
return dom.frag(
dom.autoDispose(pending.addListener(isPending => isPending && errorObs.set(null))),
@ -493,7 +518,7 @@ export class MFAConfig extends Disposable {
formElement = dom('form',
cssMainText(
'We have sent an authentication code to ',
cssLightlyBoldedText(maskedPhoneNumber.get()),
cssLightlyBoldedText(deliveryDestination),
'. Enter it below to confirm your account.',
testId('main-text'),
),
@ -507,16 +532,19 @@ export class MFAConfig extends Disposable {
),
cssInput(session, {onInput: true}, {name: 'session', type: 'hidden'}),
cssSubText(
"Didn't receive a code?",
"Didn't receive a code? ",
cssLink(
' Resend it',
'Resend it',
dom.on('click', async () => {
if (pending.get()) { return; }
try {
isResendingCode.set(true);
const result = await this._verifyPassword(password.get(), 'SMS');
if (result.isChallengeRequired) { session.set(result.session); }
if (result.isChallengeRequired) {
session.set(result.session);
challengeDetails.set(result);
}
} finally {
isResendingCode.set(false);
}
@ -527,14 +555,14 @@ export class MFAConfig extends Disposable {
cssFormError(dom.text(use => use(errorObs) ?? ''), testId('form-error')),
handleSubmit(pending,
({verificationCode: code, session: s}) => this._verifySecondStep('SMS', code, s),
() => onSuccess(),
() => onSuccess(true),
(err) => handleFormError(err, errorObs),
),
cssModalButtons(
bigPrimaryButton('Submit', dom.boolAttr('disabled', pending), testId('submit')),
bigBasicButton('Cancel', dom.on('click', () => ctl.close()), testId('cancel')),
),
!this._mfaPrefs.get()?.isSoftwareTokenMfaEnabled ? null : cssSubText(
!isAlternateChallengeAvailable ? null : cssSubText(
cssLink(
'Use code from authenticator app?',
dom.on('click', async () => {
@ -741,9 +769,9 @@ export class MFAConfig extends Disposable {
testId('verification-code-input'),
),
cssSubText(
"Didn't receive a code?",
"Didn't receive a code? ",
cssLink(
' Resend it',
'Resend it',
dom.on('click', async () => {
if (pending.get()) { return; }

5
app/common/UserAPI.ts
Unescape View File

@ -298,12 +298,13 @@ export type PassVerificationResult = ChallengeRequired | ChallengeNotRequired;
/**
* Information about the follow-up authentication challenge.
*/
interface ChallengeRequired {
export interface ChallengeRequired {
isChallengeRequired: true;
isAlternateChallengeAvailable: boolean;
// Session identifier that must be re-used in response to auth challenge.
session: string;
challengeName: 'SMS_MFA' | 'SOFTWARE_TOKEN_MFA';
// If challenge is 'SMS_MFA', the destination number that the verification code was sent.
// If SMS MFA is enabled, the destination phone number that codes are sent to.
deliveryDestination?: string;
}

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