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import { api } from "../api";
import { MoonIcon, SunIcon } from "./Icons";
import { PasswordStrengthMeter } from "./PasswordStrengthMeter";
// Matches the server-side delay progression
const UNLOCK_DELAYS_SEC = [0, 1, 2, 4, 8, 16, 30];
interface UnlockScreenProps {
onUnlocked: () => void;
dark: boolean;
onToggleDark: () => void;
}
export function UnlockScreen({ onUnlocked, dark, onToggleDark }: UnlockScreenProps) {
const [recoveryMode, setRecoveryMode] = useState(false);
const [password, setPassword] = useState("");
const [recoveryMnemonic, setRecoveryMnemonic] = useState("");
const [newPassword, setNewPassword] = useState("");
const [newPasswordConfirm, setNewPasswordConfirm] = useState("");
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const [countdown, setCountdown] = useState(0);
const failedAttempts = useRef(0);
// Countdown timer
useEffect(() => {
if (countdown <= 0) return;
const timer = setInterval(() => {
setCountdown((c) => Math.max(0, c - 1));
}, 1000);
return () => clearInterval(timer);
}, [countdown]);
const handleUnlock = async (e: React.FormEvent) => {
e.preventDefault();
setLoading(true);
setError(null);
try {
if (recoveryMode) {
if (newPassword !== newPasswordConfirm) {
setError("New passwords do not match.");
setLoading(false);
return;
}
if (newPassword.length < 12) {
setError("New password must be at least 12 characters.");
setLoading(false);
return;
}
await api.encryption.unlock({ recoveryMnemonic, newPassword });
} else {
await api.encryption.unlock({ password });
}
failedAttempts.current = 0;
onUnlocked();
} catch (err) {
const msg = err instanceof Error ? err.message : "";
// Only apply rate limiting for credential errors, not server errors
if (!msg.startsWith("Unlock succeeded")) {
failedAttempts.current++;
const nextDelay =
UNLOCK_DELAYS_SEC[Math.min(failedAttempts.current, UNLOCK_DELAYS_SEC.length - 1)] ?? 0;
Eif (nextDelay > 0) {
setCountdown(nextDelay);
}
setError(recoveryMode ? "Invalid recovery phrase or password." : "Incorrect password.");
} else E{
setError(msg);
}
} finally {
setLoading(false);
}
};
return (
<div className="h-screen flex flex-col items-center justify-center bg-gray-50 dark:bg-gray-950 px-4">
{/* Dark mode toggle */}
<button
type="button"
onClick={onToggleDark}
className="absolute top-4 right-4 text-sm text-gray-400 hover:text-gray-600 dark:hover:text-gray-300 transition-colors flex items-center gap-1.5"
title="Toggle dark mode"
>
{dark ? (
<>
<SunIcon className="w-3.5 h-3.5" /> Light
</>
) : (
<>
<MoonIcon className="w-3.5 h-3.5" /> Dark
</>
)}
</button>
<div className="w-full max-w-md animate-fadeIn">
<div className="mb-6 text-center">
<div className="mb-4">
<img src="/stork.svg" alt="Stork" className="w-16 h-16 mx-auto rounded-2xl shadow-lg" />
</div>
<h1 className="text-2xl font-bold text-gray-900 dark:text-gray-100">
{recoveryMode ? "Recover Access" : "Unlock Stork"}
</h1>
<p className="text-sm text-gray-500 dark:text-gray-400 mt-2">
{recoveryMode
? "Enter your 24-word recovery phrase and choose a new password."
: "Enter your encryption password to unlock your vault."}
</p>
</div>
<form
onSubmit={handleUnlock}
className="bg-white dark:bg-gray-900 rounded-xl shadow-lg border border-gray-200 dark:border-gray-800 p-6 space-y-4"
>
{error && (
<div className="text-sm text-red-600 dark:text-red-400 bg-red-50 dark:bg-red-900/20 px-3 py-2 rounded-md">
{error}
</div>
)}
{countdown > 0 && (
<div
className="text-sm text-amber-600 dark:text-amber-400 bg-amber-50 dark:bg-amber-900/20 px-3 py-2 rounded-md"
data-testid="rate-limit-countdown"
>
Too many attempts. Try again in {countdown}s.
</div>
)}
{recoveryMode ? (
<>
<label className="block">
<span className="block text-xs text-gray-500 dark:text-gray-400 mb-1">
Recovery Phrase
</span>
<textarea
value={recoveryMnemonic}
onChange={(e) => setRecoveryMnemonic(e.target.value)}
placeholder="word1 word2 word3 … (24 words)"
required
rows={3}
autoFocus
className="w-full text-sm bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-md px-3 py-1.5 placeholder-gray-400 dark:placeholder-gray-500 focus:outline-none focus:ring-1 focus:ring-stork-500 focus:border-stork-500 resize-none"
/>
</label>
<label className="block">
<span className="block text-xs text-gray-500 dark:text-gray-400 mb-1">
New Password
</span>
<input
type="password"
value={newPassword}
onChange={(e) => setNewPassword(e.target.value)}
placeholder="At least 12 characters"
required
className="w-full text-sm bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-md px-3 py-1.5 placeholder-gray-400 dark:placeholder-gray-500 focus:outline-none focus:ring-1 focus:ring-stork-500 focus:border-stork-500"
/>
<PasswordStrengthMeter password={newPassword} />
</label>
<label className="block">
<span className="block text-xs text-gray-500 dark:text-gray-400 mb-1">
Confirm New Password
</span>
<input
type="password"
value={newPasswordConfirm}
onChange={(e) => setNewPasswordConfirm(e.target.value)}
placeholder="Repeat your new password"
required
className="w-full text-sm bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-md px-3 py-1.5 placeholder-gray-400 dark:placeholder-gray-500 focus:outline-none focus:ring-1 focus:ring-stork-500 focus:border-stork-500"
/>
</label>
</>
) : (
<label className="block">
<span className="block text-xs text-gray-500 dark:text-gray-400 mb-1">Password</span>
<input
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
placeholder="Your encryption password"
required
autoFocus
className="w-full text-sm bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-md px-3 py-1.5 placeholder-gray-400 dark:placeholder-gray-500 focus:outline-none focus:ring-1 focus:ring-stork-500 focus:border-stork-500"
/>
</label>
)}
<button
type="submit"
disabled={loading || countdown > 0}
className="w-full px-5 py-2 bg-stork-600 hover:bg-stork-700 disabled:opacity-50 text-white rounded-lg font-medium text-sm transition-colors"
>
{loading
? "Unlocking…"
: countdown > 0
? `Wait ${countdown}s…`
: recoveryMode
? "Recover & Unlock"
: "Unlock"}
</button>
<div className="text-center">
<button
type="button"
onClick={() => {
setRecoveryMode(!recoveryMode);
setError(null);
setPassword("");
setRecoveryMnemonic("");
setNewPassword("");
setNewPasswordConfirm("");
}}
className="text-xs text-stork-600 dark:text-stork-400 hover:text-stork-700 dark:hover:text-stork-300 transition-colors"
>
{recoveryMode ? "← Back to password unlock" : "Forgot password? Use recovery phrase"}
</button>
</div>
</form>
</div>
</div>
);
}
|