Files
Kazier/mobile/context/AuthContext.tsx
T
2026-09-10 23:08:17 +02:00

110 lines
3.4 KiB
TypeScript

import { createContext, useContext, useEffect, useMemo, useState } from 'react';
import type { ReactNode } from 'react';
import { useSyncDevice } from '../features/syncDevice';
import { api, setAuthToken, setUnauthorizedHandler } from '../api/client';
import {
clearActiveUserId,
getDeviceUserId,
setActiveUserId,
} from '../services/localStorage';
import {
clearStoredSession,
getStoredAccount,
getStoredToken,
setStoredSession,
} from '../services/secureStore';
import type { AuthContextValue, AuthStatus, User } from './AuthContext.types';
const AuthContext = createContext<AuthContextValue | null>(null);
export function AuthProvider({ children }: { children: ReactNode }) {
const [user, setUser] = useState<User | null>(null);
const [deviceUserId, setDeviceUserId] = useState<string | null>(null);
const [status, setStatus] = useState<AuthStatus>('loading');
const signOut = async () => {
await Promise.allSettled([clearStoredSession(), clearActiveUserId()]);
setAuthToken(null);
setUser(null);
setStatus('signedOut');
};
useEffect(() => {
let active = true;
const bootstrap = async () => {
const id = await getDeviceUserId();
if (active) setDeviceUserId(id);
try {
// Enregistrement du device (idempotent côté serveur) — obligatoire
// avant le login (INVALID_DEVICE_ID sinon). Aucun token émis ici.
await api.registerDevice(id);
} catch (error) {
console.warn('device registration failed (offline?)', error);
}
try {
const [token, storedUser] = await Promise.all([getStoredToken(), getStoredAccount()]);
if (active && token && storedUser) {
setAuthToken(token);
setActiveUserId(storedUser.id);
setUser(storedUser);
setStatus('signedIn');
return;
}
} catch (error) {
console.warn('could not restore session', error);
}
if (active) setStatus('signedOut');
};
bootstrap();
// Boucle de sync en arrière-plan (décalée, annulée au unmount).
const stopSync = useSyncDevice();
return () => {
active = false;
stopSync();
};
}, []);
// 401 sur un endpoint protégé (token expiré/révoqué, compte supprimé) →
// purge de la session. Le 401 du login est exonéré côté client (option
// skipUnauthorizedHandling dans api/client.ts).
useEffect(() => {
setUnauthorizedHandler(() => {
void signOut();
});
return () => setUnauthorizedHandler(null);
}, [signOut]);
const signIn = async (username: string, password: string) => {
const id = deviceUserId ?? (await getDeviceUserId());
const result = await api.login(username, password, id);
await setStoredSession(result.data.token, result.data.user);
await setActiveUserId(result.data.user.id);
setAuthToken(result.data.token);
setUser(result.data.user);
setStatus('signedIn');
};
const continueWithoutAccount = () => {
setStatus('local');
};
const value = useMemo(
() => ({ user, deviceUserId, status, signIn, signOut, continueWithoutAccount }),
[user, deviceUserId, status, signIn, signOut, continueWithoutAccount],
);
return <AuthContext.Provider value={value}>{children}</AuthContext.Provider>;
}
export function useAuth(): AuthContextValue {
const ctx = useContext(AuthContext);
if (!ctx) {
throw new Error('useAuth must be used within an AuthProvider');
}
return ctx;
}