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import React, { useState, useEffect } from 'react';
import { useQuery } from '@tanstack/react-query';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Badge } from '@/components/ui/badge';
import { Button } from '@/components/ui/button';
import { Alert, AlertDescription } from '@/components/ui/alert';
import {
AlertTriangle,
Shield,
Eye,
Clock,
MapPin,
Monitor,
Bell,
X
} from 'lucide-react';
import { userActivityService } from '@/services/userActivity';
import useLoadNamespace from '@/hooks/useLoadNamespace';
import { useTranslation } from 'react-i18next';
interface SecurityAlertData {
username?: string;
deviceCount?: number;
ip?: string;
failedAttempts?: number;
activityCount?: number;
[key: string]: unknown;
}
interface SecurityAlert {
id: string;
type: 'multiple_failed_logins' | 'unusual_device' | 'high_activity' | 'suspicious_ip';
severity: 'low' | 'medium' | 'high';
title: string;
description: string;
timestamp: string;
data: SecurityAlertData;
dismissed: boolean;
}
export default function SecurityAlerts() {
useLoadNamespace('admin/securityAlerts');
const { t } = useTranslation('admin/securityAlerts');
const [alerts, setAlerts] = useState<SecurityAlert[]>([]);
const [newAlertsCount, setNewAlertsCount] = useState(0);
const { data: loginHistory } = useQuery({
queryKey: ['login-history-alerts'],
queryFn: async () => {
const result = await userActivityService.getLoginHistory({ limit: 100 });
if (result.success) {
return result.data;
}
return null;
},
refetchInterval: 30000, // Check every 30 seconds
});
const { data: viewingHistory } = useQuery({
queryKey: ['viewing-history-alerts'],
queryFn: async () => {
const result = await userActivityService.getViewingHistory({ limit: 100 });
if (result.success) {
return result.data;
}
return null;
},
refetchInterval: 30000});
// Analyze data for security alerts
useEffect(() => {
if (!loginHistory?.logs) return;
const newAlerts: SecurityAlert[] = [];
const now = new Date();
const oneHourAgo = new Date(now.getTime() - 60 * 60 * 1000);
// Check for multiple failed logins from same IP
const failedLogins = loginHistory.logs.filter(log =>
!log.success && new Date(log.login_timestamp) > oneHourAgo
);
const ipFailures = failedLogins.reduce((acc, log) => {
const ip = log.ip_address || t('securityAlerts.values.unknown');
acc[ip] = (acc[ip] || 0) + 1;
return acc;
}, {} as Record<string, number>);
Object.entries(ipFailures).forEach(([ip, count]) => {
if (count >= 5) {
newAlerts.push({
id: `failed-logins-${ip}-${Date.now()}`,
type: 'multiple_failed_logins',
severity: count >= 10 ? 'high' : 'medium',
title: t('securityAlerts.alerts.multipleFailedLogins.title'),
description: t('securityAlerts.alerts.multipleFailedLogins.description', { count, ip }),
timestamp: new Date().toISOString(),
data: { ip, count },
dismissed: false});
}
});
// Check for users with unusual number of devices
const userDevices = loginHistory.logs
.filter(log => log.success && new Date(log.login_timestamp) > new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000))
.reduce((acc, log) => {
const key = `${log.user_id}-${log.username}`;
if (!acc[key]) {
acc[key] = { username: log.username, devices: new Set() };
}
if (log.device_info) {
acc[key].devices.add(log.device_info);
}
return acc;
}, {} as Record<string, { username: string; devices: Set<string> }>);
Object.entries(userDevices).forEach(([key, data]) => {
if (data.devices.size >= 4) {
newAlerts.push({
id: `unusual-devices-${key}-${Date.now()}`,
type: 'unusual_device',
severity: 'medium',
title: t('securityAlerts.alerts.unusualDevices.title'),
description: t('securityAlerts.alerts.unusualDevices.description', { username: data.username, deviceCount: data.devices.size }),
timestamp: new Date().toISOString(),
data: { username: data.username, deviceCount: data.devices.size },
dismissed: false});
}
});
// Check for high activity periods
if (viewingHistory?.logs) {
const recentViews = viewingHistory.logs.filter(log =>
new Date(log.start_timestamp) > oneHourAgo
);
if (recentViews.length >= 20) {
newAlerts.push({
id: `high-activity-${Date.now()}`,
type: 'high_activity',
severity: 'low',
title: t('securityAlerts.alerts.highActivity.title'),
description: t('securityAlerts.alerts.highActivity.description', { viewCount: recentViews.length }),
timestamp: new Date().toISOString(),
data: { viewCount: recentViews.length },
dismissed: false});
}
}
// Update alerts and count new ones
setAlerts(prevAlerts => {
const existingIds = new Set(prevAlerts.map(a => a.id));
const reallyNewAlerts = newAlerts.filter(a => !existingIds.has(a.id));
if (reallyNewAlerts.length > 0) {
setNewAlertsCount(prev => prev + reallyNewAlerts.length);
// Show browser notification if permission granted
if (Notification.permission === 'granted') {
reallyNewAlerts.forEach(alert => {
new Notification(t('securityAlerts.browserNotification.title', { title: alert.title }), {
body: alert.description,
icon: '/favicon.ico'
});
});
}
}
return [...prevAlerts.filter(a => !a.dismissed), ...reallyNewAlerts];
});
}, [loginHistory, viewingHistory]);
// Request notification permission on mount
useEffect(() => {
if (Notification.permission === 'default') {
Notification.requestPermission();
}
}, []);
const dismissAlert = (alertId: string) => {
setAlerts(prev => prev.map(alert =>
alert.id === alertId ? { ...alert, dismissed: true } : alert
));
setNewAlertsCount(prev => Math.max(0, prev - 1));
};
const getSeverityColor = (severity: string) => {
switch (severity) {
case 'high': return 'bg-red-100 text-red-800 border-red-200';
case 'medium': return 'bg-yellow-100 text-yellow-800 border-yellow-200';
case 'low': return 'bg-blue-100 text-blue-800 border-blue-200';
default: return 'bg-gray-100 text-gray-800 border-gray-200';
}
};
const getSeverityIcon = (type: string) => {
switch (type) {
case 'multiple_failed_logins': return <Shield className="h-4 w-4" />;
case 'unusual_device': return <Monitor className="h-4 w-4" />;
case 'high_activity': return <Eye className="h-4 w-4" />;
case 'suspicious_ip': return <MapPin className="h-4 w-4" />;
default: return <AlertTriangle className="h-4 w-4" />;
}
};
const activeAlerts = alerts.filter(alert => !alert.dismissed);
return (
<Card>
<CardHeader>
<CardTitle className="flex items-center gap-2">
<Bell className="h-5 w-5" />
{t('securityAlerts.title')}
{newAlertsCount > 0 && (
<Badge className="bg-red-500 text-white">
{newAlertsCount} {t('securityAlerts.newLabel')}
</Badge>
)}
</CardTitle>
</CardHeader>
<CardContent>
{activeAlerts.length === 0 ? (
<div className="text-center py-8">
<Shield className="h-12 w-12 text-green-500 mx-auto mb-4" />
<p className="text-sm text-muted-foreground">
{t('securityAlerts.noAlerts')}
</p>
</div>
) : (
<div className="space-y-4">
{activeAlerts.slice(0, 10).map((alert) => (
<Alert key={alert.id} className={getSeverityColor(alert.severity)}>
<div className="flex items-start justify-between">
<div className="flex items-start gap-3">
{getSeverityIcon(alert.type)}
<div className="flex-1">
<div className="flex items-center gap-2 mb-1">
<h4 className="font-medium">{alert.title}</h4>
<Badge variant="outline" className="text-xs">
{t(`securityAlerts.severity.${alert.severity}`)}
</Badge>
</div>
<AlertDescription className="text-sm">
{alert.description}
</AlertDescription>
<div className="flex items-center gap-2 mt-2 text-xs text-muted-foreground">
<Clock className="h-3 w-3" />
{new Date(alert.timestamp).toLocaleString()}
</div>
</div>
</div>
<Button
variant="ghost"
size="sm"
onClick={() => dismissAlert(alert.id)}
className="h-6 w-6 p-0"
aria-label={t('securityAlerts.dismiss')}
>
<X className="h-4 w-4" />
</Button>
</div>
</Alert>
))}
{activeAlerts.length > 10 && (
<p className="text-sm text-muted-foreground text-center">
{t('securityAlerts.moreAlerts', { count: activeAlerts.length - 10 })}
</p>
)}
</div>
)}
</CardContent>
</Card>
);
}
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