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import { useState, useEffect } from 'react';
import { useTranslation } from 'react-i18next';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import {
Shield,
ShieldCheck,
ShieldOff,
Loader2,
Copy,
CheckCircle,
AlertTriangle} from 'lucide-react';
import { apiClient } from '@/services/api';
import { API_ENDPOINTS } from '@/constants/api';
interface TwoFactorStatus {
enabled: boolean;
has_backup_codes: boolean;
}
interface SetupResponse {
secret: string;
qr_code: string;
backup_codes: string[];
}
export default function TwoFactorSettings() {
const { t } = useTranslation();
const [status, setStatus] = useState<TwoFactorStatus | null>(null);
const [isLoading, setIsLoading] = useState(true);
const [isSettingUp, setIsSettingUp] = useState(false);
const [setupData, setSetupData] = useState<SetupResponse | null>(null);
const [verificationCode, setVerificationCode] = useState('');
const [disableCode, setDisableCode] = useState('');
const [isVerifying, setIsVerifying] = useState(false);
const [isDisabling, setIsDisabling] = useState(false);
const [showDisableForm, setShowDisableForm] = useState(false);
const [showBackupCodes, setShowBackupCodes] = useState(false);
const [backupCodes, setBackupCodes] = useState<string[]>([]);
const [error, setError] = useState('');
const [success, setSuccess] = useState('');
const [copiedSecret, setCopiedSecret] = useState(false);
useEffect(() => {
fetchStatus();
}, []);
const fetchStatus = async () => {
try {
const response = await apiClient.get<TwoFactorStatus>(API_ENDPOINTS.AUTH.TWO_FACTOR_STATUS);
if (response.success && response.data) {
setStatus(response.data);
}
} catch (err) {
console.error('Failed to fetch 2FA status:', err);
} finally {
setIsLoading(false);
}
};
const startSetup = async () => {
setIsSettingUp(true);
setError('');
try {
const response = await apiClient.post<SetupResponse>(API_ENDPOINTS.AUTH.TWO_FACTOR_SETUP, {});
if (response.success && response.data) {
setSetupData(response.data);
} else {
throw new Error(response.error?.details || t('profile.twoFactor.errors.setupFailed'));
}
} catch (err: any) {
setError(err.message || t('profile.twoFactor.errors.setupFailed'));
} finally {
setIsSettingUp(false);
}
};
const verifyAndEnable = async () => {
if (!verificationCode || verificationCode.length !== 6) {
setError(t('profile.twoFactor.errors.invalidCode'));
return;
}
setIsVerifying(true);
setError('');
try {
const response = await apiClient.post<{ success: boolean; message: string }>(
API_ENDPOINTS.AUTH.TWO_FACTOR_VERIFY,
{ code: verificationCode }
);
if (response.success && response.data?.success) {
setSuccess(t('profile.twoFactor.enabled'));
setBackupCodes(setupData?.backup_codes || []);
setShowBackupCodes(true);
setSetupData(null);
setVerificationCode('');
fetchStatus();
} else {
setError(response.data?.message || t('profile.twoFactor.errors.verifyFailed'));
}
} catch (err: any) {
setError(err.message || t('profile.twoFactor.errors.verifyFailed'));
} finally {
setIsVerifying(false);
}
};
const disable2FA = async () => {
if (!disableCode || disableCode.length < 6) {
setError(t('profile.twoFactor.errors.invalidCode'));
return;
}
setIsDisabling(true);
setError('');
try {
const response = await apiClient.post<{ success: boolean; message: string }>(
API_ENDPOINTS.AUTH.TWO_FACTOR_DISABLE,
{ code: disableCode }
);
if (response.success && response.data?.success) {
setSuccess(t('profile.twoFactor.disabled'));
setShowDisableForm(false);
setDisableCode('');
fetchStatus();
} else {
setError(response.data?.message || t('profile.twoFactor.errors.disableFailed'));
}
} catch (err: any) {
setError(err.message || t('profile.twoFactor.errors.disableFailed'));
} finally {
setIsDisabling(false);
}
};
const copyToClipboard = (text: string) => {
navigator.clipboard.writeText(text);
setCopiedSecret(true);
setTimeout(() => setCopiedSecret(false), 2000);
};
if (isLoading) {
return (
<Card>
<CardContent className="flex items-center justify-center py-8">
<Loader2 className="w-6 h-6 animate-spin text-muted-foreground" />
</CardContent>
</Card>
);
}
return (
<Card>
<CardHeader>
<CardTitle className="flex items-center gap-2 text-base">
{status?.enabled ? (
<ShieldCheck className="h-4 w-4 text-green-500" />
) : (
<Shield className="h-4 w-4" />
)}
{t('profile.twoFactor.title')}
</CardTitle>
</CardHeader>
<CardContent className="space-y-4">
{/* Status description */}
<p className="text-sm text-muted-foreground">
{status?.enabled ? t('profile.twoFactor.enabled') : t('profile.twoFactor.description')}
</p>
{/* Error/Success Messages */}
{error && (
<div className="p-3 bg-destructive/10 border border-destructive/30 rounded-md">
<p className="text-destructive text-sm">{error}</p>
</div>
)}
{success && !showBackupCodes && (
<div className="p-3 bg-green-500/10 border border-green-500/30 rounded-md">
<p className="text-green-600 dark:text-green-400 text-sm">{success}</p>
</div>
)}
{/* Backup Codes Display */}
{showBackupCodes && backupCodes.length > 0 && (
<div className="p-4 bg-amber-500/10 border border-amber-500/30 rounded-md">
<div className="flex items-start gap-3 mb-3">
<AlertTriangle className="w-5 h-5 text-amber-500 flex-shrink-0 mt-0.5" />
<div>
<h4 className="font-semibold text-amber-600 dark:text-amber-400 mb-1">
{t('profile.twoFactor.backupCodes.title')}
</h4>
<p className="text-sm text-muted-foreground">
{t('profile.twoFactor.backupCodes.description')}
</p>
</div>
</div>
<div className="grid grid-cols-2 gap-2 mt-4">
{backupCodes.map((code, index) => (
<div key={index} className="bg-muted px-3 py-2 rounded font-mono text-sm">
{code}
</div>
))}
</div>
<Button
variant="outline"
size="sm"
className="mt-4"
onClick={() => {
copyToClipboard(backupCodes.join('\n'));
setShowBackupCodes(false);
setSuccess('');
}}
>
<Copy className="w-4 h-4 mr-2" />
{t('profile.twoFactor.backupCodes.copy')}
</Button>
</div>
)}
{/* 2FA Enabled State */}
{status?.enabled && !showDisableForm && (
<div className="space-y-4">
<div className="flex items-center gap-2 text-green-600 dark:text-green-400 text-sm">
<CheckCircle className="w-4 h-4" />
<span>{t('profile.twoFactor.enabled')}</span>
</div>
<Button
variant="outline"
onClick={() => setShowDisableForm(true)}
className="text-destructive hover:text-destructive"
>
<ShieldOff className="w-4 h-4 mr-2" />
{t('profile.twoFactor.disable')}
</Button>
</div>
)}
{/* Disable Form */}
{showDisableForm && (
<div className="space-y-4">
<p className="text-sm text-muted-foreground">
{t('profile.twoFactor.disableDescription')}
</p>
<div className="space-y-2">
<Label htmlFor="disable-code">{t('profile.twoFactor.code')}</Label>
<div className="flex gap-3">
<Input
id="disable-code"
type="text"
value={disableCode}
onChange={(e) => setDisableCode(e.target.value.replace(/\D/g, ''))}
placeholder={t('profile.twoFactor.placeholder')}
maxLength={8}
/>
<Button onClick={disable2FA} disabled={isDisabling} variant="destructive">
{isDisabling ? <Loader2 className="w-4 h-4 animate-spin" /> : t('profile.twoFactor.disable')}
</Button>
<Button
variant="outline"
onClick={() => {
setShowDisableForm(false);
setDisableCode('');
setError('');
}}
>
{t('profile.twoFactor.cancel')}
</Button>
</div>
</div>
</div>
)}
{/* Setup Flow - Not started */}
{!status?.enabled && !setupData && (
<Button onClick={startSetup} disabled={isSettingUp} variant="secondary">
{isSettingUp ? (
<>
<Loader2 className="w-4 h-4 mr-2 animate-spin" />
{t('profile.twoFactor.verifying')}
</>
) : (
<>
<Shield className="w-4 h-4 mr-2" />
{t('profile.twoFactor.enable')}
</>
)}
</Button>
)}
{/* QR Code and Verification */}
{setupData && (
<div className="space-y-4">
<div className="text-center">
<p className="text-sm text-muted-foreground mb-4">
{t('profile.twoFactor.scanQR')}
</p>
<div className="inline-block p-4 bg-white rounded-lg">
{/* eslint-disable-next-line @next/next/no-img-element */}
<img src={setupData.qr_code} alt={t('profile.twoFactor.qrAlt')} className="w-40 h-40" />
</div>
</div>
{/* Manual Entry */}
<div className="bg-muted rounded-md p-3">
<p className="text-xs text-muted-foreground mb-2">
{t('profile.twoFactor.manualEntry')}
</p>
<div className="flex items-center gap-2">
<code className="flex-1 font-mono text-sm break-all">
{setupData.secret}
</code>
<Button size="sm" variant="ghost" onClick={() => copyToClipboard(setupData.secret)}>
{copiedSecret ? (
<CheckCircle className="w-4 h-4 text-green-500" />
) : (
<Copy className="w-4 h-4" />
)}
</Button>
</div>
</div>
{/* Verification */}
<div className="space-y-2">
<Label htmlFor="verify-code">{t('profile.twoFactor.verifyCode')}</Label>
<div className="flex gap-3">
<Input
id="verify-code"
type="text"
value={verificationCode}
onChange={(e) => setVerificationCode(e.target.value.replace(/\D/g, '').slice(0, 6))}
placeholder={t('profile.twoFactor.placeholder')}
maxLength={6}
className="text-center font-mono text-lg tracking-widest"
/>
<Button onClick={verifyAndEnable} disabled={isVerifying || verificationCode.length !== 6}>
{isVerifying ? <Loader2 className="w-4 h-4 animate-spin" /> : t('profile.twoFactor.verify')}
</Button>
</div>
</div>
<Button
variant="outline"
onClick={() => {
setSetupData(null);
setVerificationCode('');
setError('');
}}
>
{t('profile.twoFactor.cancel')}
</Button>
</div>
)}
</CardContent>
</Card>
);
}
|