Files
Charon/frontend/src/context/AuthContext.tsx

107 lines
2.6 KiB
TypeScript

import React, { createContext, useContext, useState, useEffect } from 'react';
import client from '../api/client';
interface User {
user_id: number;
role: string;
}
interface AuthContextType {
user: User | null;
login: () => Promise<void>;
logout: () => void;
isAuthenticated: boolean;
isLoading: boolean;
}
const AuthContext = createContext<AuthContextType | undefined>(undefined);
export const AuthProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
const [user, setUser] = useState<User | null>(null);
const [isLoading, setIsLoading] = useState(true);
useEffect(() => {
const checkAuth = async () => {
try {
const response = await client.get('/auth/me');
setUser(response.data);
} catch (error) {
setUser(null);
} finally {
setIsLoading(false);
}
};
checkAuth();
}, []);
const login = async () => {
// Token is stored in cookie by backend, but we might want to store it in memory or trigger a re-fetch
// Actually, if backend sets cookie, we just need to fetch /auth/me
try {
const response = await client.get<User>('/auth/me');
setUser(response.data);
} catch (error) {
setUser(null);
throw error;
}
};
const logout = async () => {
try {
await client.post('/auth/logout');
} catch (error) {
console.error("Logout failed", error);
}
setUser(null);
};
// Auto-logout logic
useEffect(() => {
if (!user) return;
const TIMEOUT_MS = 15 * 60 * 1000; // 15 minutes
let timeoutId: ReturnType<typeof setTimeout>;
const resetTimer = () => {
if (timeoutId) clearTimeout(timeoutId);
timeoutId = setTimeout(() => {
console.log('Auto-logging out due to inactivity');
logout();
}, TIMEOUT_MS);
};
// Initial timer start
resetTimer();
// Event listeners for activity
const events = ['mousedown', 'keydown', 'scroll', 'touchstart'];
const handleActivity = () => resetTimer();
events.forEach(event => {
window.addEventListener(event, handleActivity);
});
return () => {
if (timeoutId) clearTimeout(timeoutId);
events.forEach(event => {
window.removeEventListener(event, handleActivity);
});
};
}, [user]);
return (
<AuthContext.Provider value={{ user, login, logout, isAuthenticated: !!user, isLoading }}>
{children}
</AuthContext.Provider>
);
};
export const useAuth = () => {
const context = useContext(AuthContext);
if (context === undefined) {
throw new Error('useAuth must be used within an AuthProvider');
}
return context;
};