Files
T120B165/Client/app/context/AuthContext.tsx

90 lines
2.6 KiB
TypeScript

import { createContext, useContext, useEffect, useState } from "react";
import { jwtDecode } from "jwt-decode";
export interface User {
id: string;
email: string;
accessToken: string;
refreshToken: string;
isAdmin: boolean;
}
interface AuthContextType {
user: User | null;
isLoading: boolean;
login: (accessToken: string, refreshToken: string) => void;
logout: () => void;
}
const AuthContext = createContext<AuthContextType>({
user: null,
isLoading: true,
login: () => {},
logout: () => {},
});
export function AuthProvider({ children }: { children: React.ReactNode }) {
const [user, setUser] = useState<User | null>(null);
const [isLoading, setIsLoading] = useState(true);
useEffect(() => {
try {
const stored = localStorage.getItem("user");
if (stored) {
const storedUser: User = JSON.parse(stored);
try {
const decoded: { exp: number } = jwtDecode(storedUser.accessToken);
if (decoded.exp * 1000 < Date.now()) {
// Token is expired, clear user data
localStorage.removeItem("user");
localStorage.removeItem("accessToken");
localStorage.removeItem("refreshToken");
setUser(null);
} else {
setUser(storedUser);
}
} catch (error) {
// If token is invalid, clear user data
localStorage.removeItem("user");
localStorage.removeItem("accessToken");
localStorage.removeItem("refreshToken");
setUser(null);
}
}
} finally {
setIsLoading(false);
}
}, []);
const login = (accessToken: string, refreshToken: string) => {
const decoded: any = jwtDecode(accessToken);
const roleField = decoded["http://schemas.microsoft.com/ws/2008/06/identity/claims/role"];
const isAdmin = Array.isArray(roleField) ? roleField.includes("Admin") : roleField === "Admin";
const newUser: User = {
id: decoded.sub,
email: decoded.email,
accessToken,
refreshToken,
isAdmin,
};
setUser(newUser);
localStorage.setItem("user", JSON.stringify(newUser));
localStorage.setItem("accessToken", accessToken);
localStorage.setItem("refreshToken", refreshToken);
};
const logout = () => {
setUser(null);
localStorage.removeItem("user");
localStorage.removeItem("accessToken");
localStorage.removeItem("refreshToken");
};
return (
<AuthContext.Provider value={{ user, isLoading, login, logout }}>
{children}
</AuthContext.Provider>
);
}
export const useAuth = () => useContext(AuthContext);