feat: implement persistent master key storage (Approach 1) and local PIN fallback (Approach 2)

This commit is contained in:
2026-05-29 12:08:22 +02:00
parent 3bb59d2ca0
commit 1cc8c6291e
5 changed files with 280 additions and 14 deletions
+188 -7
View File
@@ -1,6 +1,14 @@
import React, { useState } from 'react'
import { useTranslation } from 'react-i18next'
import { registerUser, loginUser, completeLoginWithRecovery } from '../services/auth.js'
import {
registerUser,
loginUser,
completeLoginWithRecovery,
setLocalPin,
hasLocalPin,
decryptWithLocalPin,
getActiveMasterKey
} from '../services/auth.js'
import { KeyRound, ShieldAlert, Languages, HelpCircle } from 'lucide-react'
interface AuthOnboardingProps {
@@ -22,6 +30,15 @@ export default function AuthOnboarding({ onAuthenticated }: AuthOnboardingProps)
const [recoveryInput, setRecoveryInput] = useState('')
const [encryptedPayloads, setEncryptedPayloads] = useState<any>(null)
// PIN setup flow state
const [showPinSetup, setShowPinSetup] = useState(false)
const [pinInput, setPinInput] = useState('')
const [pinSetupUsername, setPinSetupUsername] = useState('')
// PIN login fallback flow state
const [showPinLogin, setShowPinLogin] = useState(false)
const [pinLoginInput, setPinLoginInput] = useState('')
const handleRegister = async (e: React.FormEvent) => {
e.preventDefault()
if (!username.trim()) return
@@ -52,12 +69,17 @@ export default function AuthOnboarding({ onAuthenticated }: AuthOnboardingProps)
// Biometric E2E decryption succeeded
onAuthenticated()
} else {
// Biometrics succeeded but PRF key wasn't supported/available, fall back to recovery phrase
// Biometrics succeeded but PRF key wasn't supported/available, fall back to PIN or recovery phrase
setEncryptedPayloads(result.encryptedPayloads)
if (result.username) {
setUsername(result.username)
const resolvedUser = result.username || result.encryptedPayloads?.username || ''
if (resolvedUser) {
setUsername(resolvedUser)
}
if (resolvedUser && hasLocalPin(resolvedUser)) {
setShowPinLogin(true)
} else {
setShowRecoveryFallback(true)
}
setShowRecoveryFallback(true)
}
}
} catch (err: any) {
@@ -77,7 +99,10 @@ export default function AuthOnboarding({ onAuthenticated }: AuthOnboardingProps)
const resolvedUser = username.trim() || encryptedPayloads.username
const success = await completeLoginWithRecovery(resolvedUser, recoveryInput.trim(), encryptedPayloads)
if (success) {
onAuthenticated()
// Offer PIN setup to prevent future recovery phrase entries on this device
setPinSetupUsername(resolvedUser)
setShowRecoveryFallback(false)
setShowPinSetup(true)
} else {
setError(t('auth.error_incorrect_recovery'))
}
@@ -88,6 +113,55 @@ export default function AuthOnboarding({ onAuthenticated }: AuthOnboardingProps)
}
}
const handleConfirmRecovery = () => {
setPinSetupUsername(username.trim() || encryptedPayloads?.username || '')
setShowPinSetup(true)
}
const handlePinSetupSubmit = async (e: React.FormEvent) => {
e.preventDefault()
if (!pinInput.trim() || pinInput.length < 4) {
setError(t('auth.pin_length_error', 'PIN must be at least 4 digits'))
return
}
setLoading(true)
setError(null)
try {
const activeKey = getActiveMasterKey()
if (activeKey) {
await setLocalPin(pinInput.trim(), pinSetupUsername, activeKey)
onAuthenticated()
} else {
setError('No active master key found')
}
} catch (err: any) {
setError(err.message || 'Failed to save PIN')
} finally {
setLoading(false)
}
}
const handlePinLoginSubmit = async (e: React.FormEvent) => {
e.preventDefault()
if (!pinLoginInput.trim()) return
setLoading(true)
setError(null)
try {
const resolvedUser = username.trim() || encryptedPayloads?.username
const key = await decryptWithLocalPin(pinLoginInput.trim(), resolvedUser)
if (key) {
onAuthenticated()
} else {
setError(t('auth.error_incorrect_pin'))
}
} catch (err: any) {
setError(t('auth.error_incorrect_pin'))
} finally {
setLoading(false)
}
}
const toggleLanguage = () => {
const nextLang = i18n.language.startsWith('de') ? 'en' : 'de'
i18n.changeLanguage(nextLang)
@@ -123,7 +197,7 @@ export default function AuthOnboarding({ onAuthenticated }: AuthOnboardingProps)
<button className="btn secondary" onClick={copyToClipboard}>
{copied ? t('auth.copied') : t('auth.copy_phrase')}
</button>
<button className="btn primary" onClick={onAuthenticated}>
<button className="btn primary" onClick={handleConfirmRecovery}>
{t('auth.confirm_recovery')}
</button>
</div>
@@ -131,6 +205,113 @@ export default function AuthOnboarding({ onAuthenticated }: AuthOnboardingProps)
)
}
// Render 4: PIN setup screen
if (showPinSetup) {
return (
<div className="auth-card glass">
<div className="auth-header">
<KeyRound className="auth-icon accent" size={48} />
<h2>{t('auth.setup_pin_title')}</h2>
</div>
<p className="recovery-warning">
{t('auth.setup_pin_warning')}
</p>
<form onSubmit={handlePinSetupSubmit} className="auth-form">
<div className="input-group">
<label className="input-label" style={{ display: 'block', marginBottom: '8px', color: '#94a3b8' }}>
{t('auth.pin_label')}
</label>
<input
type="password"
inputMode="numeric"
pattern="[0-9]*"
maxLength={8}
className="input-text"
placeholder={t('auth.pin_placeholder')}
value={pinInput}
onChange={(e) => setPinInput(e.target.value.replace(/\D/g, ''))}
disabled={loading}
required
style={{ width: '100%', padding: '12px', boxSizing: 'border-box' }}
/>
</div>
{error && <div className="auth-error" style={{ color: '#ef4444', fontSize: '14px', marginTop: '8px' }}>{error}</div>}
<div className="auth-actions" style={{ marginTop: '20px' }}>
<button
type="button"
className="btn secondary"
onClick={onAuthenticated}
disabled={loading}
>
{t('auth.skip_pin')}
</button>
<button type="submit" className="btn primary" disabled={loading || pinInput.length < 4}>
{loading ? t('auth.processing') : t('auth.save_pin')}
</button>
</div>
</form>
</div>
)
}
// Render 5: PIN login screen
if (showPinLogin) {
return (
<div className="auth-card glass">
<div className="auth-header">
<KeyRound className="auth-icon accent" size={48} />
<h2>{t('auth.enter_pin_title')}</h2>
</div>
<p className="recovery-warning">
{t('auth.enter_pin_warning')}
</p>
<form onSubmit={handlePinLoginSubmit} className="auth-form">
<div className="input-group">
<input
type="password"
inputMode="numeric"
pattern="[0-9]*"
maxLength={8}
className="input-text"
placeholder={t('auth.enter_pin_placeholder')}
value={pinLoginInput}
onChange={(e) => setPinLoginInput(e.target.value.replace(/\D/g, ''))}
disabled={loading}
required
style={{ width: '100%', padding: '12px', boxSizing: 'border-box' }}
/>
</div>
{error && <div className="auth-error" style={{ color: '#ef4444', fontSize: '14px', marginTop: '8px' }}>{error}</div>}
<div className="auth-actions" style={{ flexDirection: 'column', gap: '10px', marginTop: '20px' }}>
<button type="submit" className="btn primary" disabled={loading} style={{ width: '100%' }}>
{loading ? t('auth.decrypting') : t('auth.decrypt_with_pin')}
</button>
<button
type="button"
className="btn secondary"
onClick={() => {
setShowPinLogin(false)
setShowRecoveryFallback(true)
setError(null)
}}
disabled={loading}
style={{ width: '100%' }}
>
{t('auth.use_recovery_instead')}
</button>
</div>
</form>
</div>
)
}
// Render 2: Ask for recovery phrase fallback if biometric PRF fails
if (showRecoveryFallback) {
return (