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1fff71f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | import { writable, derived } from 'svelte/store';
import type { AuthState } from '$lib/types/client';
import { STORAGE_KEY_AUTH_TOKEN, STORAGE_KEY_USER_PROFILE } from '$lib/utils/constants';
import { getItem, setItem, removeItem } from '$lib/services/storage';
/**
* Auth store managing user authentication state
* Persists token and user info to localStorage
*/
// Create initial state from localStorage if available
function createInitialState(): AuthState {
const token = getItem<string>(STORAGE_KEY_AUTH_TOKEN);
const user = getItem<AuthState['user']>(STORAGE_KEY_USER_PROFILE);
if (token && user) {
// Check if token is expired
const tokenExpiry = user.tokenExpiry;
if (tokenExpiry && Date.now() < tokenExpiry) {
return {
user,
token,
tokenExpiry,
isAuthenticated: true
};
}
}
return {
user: null,
token: null,
tokenExpiry: null,
isAuthenticated: false
};
}
// Create the auth store
function createAuthStore() {
const { subscribe, set, update } = writable<AuthState>(createInitialState());
return {
subscribe,
/**
* Set authenticated user and token
*/
login: (user: NonNullable<AuthState['user']>, token: string, tokenExpiry?: number) => {
const expiry = tokenExpiry || Date.now() + 24 * 60 * 60 * 1000; // Default 24h
const newState: AuthState = {
user: { ...user, tokenExpiry: expiry },
token,
tokenExpiry: expiry,
isAuthenticated: true
};
// Persist to storage
setItem(STORAGE_KEY_AUTH_TOKEN, token);
setItem(STORAGE_KEY_USER_PROFILE, newState.user);
set(newState);
},
/**
* Clear authentication state
*/
logout: () => {
// Clear storage
removeItem(STORAGE_KEY_AUTH_TOKEN);
removeItem(STORAGE_KEY_USER_PROFILE);
set({
user: null,
token: null,
tokenExpiry: null,
isAuthenticated: false
});
},
/**
* Update user profile
*/
updateUser: (user: NonNullable<AuthState['user']>) => {
update((state) => {
if (!state.isAuthenticated) return state;
const newUser = { ...state.user, ...user };
setItem(STORAGE_KEY_USER_PROFILE, newUser);
return {
...state,
user: newUser
};
});
},
/**
* Check if token is expired and logout if needed
*/
checkExpiration: () => {
update((state) => {
if (!state.isAuthenticated || !state.tokenExpiry) return state;
if (Date.now() >= state.tokenExpiry) {
// Token expired - clear state
removeItem(STORAGE_KEY_AUTH_TOKEN);
removeItem(STORAGE_KEY_USER_PROFILE);
return {
user: null,
token: null,
tokenExpiry: null,
isAuthenticated: false
};
}
return state;
});
}
};
}
export const authStore = createAuthStore();
// Derived store for checking if authenticated
export const isAuthenticated = derived(
authStore,
($auth) => $auth.isAuthenticated
);
// Derived store for getting current user
export const currentUser = derived(
authStore,
($auth) => $auth.user
);
// Check token expiration every minute
if (typeof window !== 'undefined') {
setInterval(() => {
authStore.checkExpiration();
}, 60 * 1000);
}
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