80 lines
1.6 KiB
TypeScript
80 lines
1.6 KiB
TypeScript
/**
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* [C-01] JWT Authentication Utilities
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* Handle token storage, retrieval, and expiration
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*/
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const TOKEN_KEY = 'inventory_token';
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const USER_KEY = 'inventory_user';
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export interface AuthToken {
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access_token: string;
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token_type: string;
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user_id: number;
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username: string;
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role: string;
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}
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export interface AuthUser {
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id: number;
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username: string;
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role: string;
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}
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/**
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* Save JWT token to localStorage
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*/
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export const saveToken = (token: AuthToken): void => {
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localStorage.setItem(TOKEN_KEY, token.access_token);
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localStorage.setItem(USER_KEY, JSON.stringify({
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id: token.user_id,
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username: token.username,
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role: token.role
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}));
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};
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/**
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* Get JWT token from localStorage
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*/
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export const getToken = (): string | null => {
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if (typeof window === 'undefined') return null;
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return localStorage.getItem(TOKEN_KEY);
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};
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/**
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* Get current user info from localStorage
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*/
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export const getCurrentUser = (): AuthUser | null => {
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if (typeof window === 'undefined') return null;
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const userJson = localStorage.getItem(USER_KEY);
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if (!userJson) return null;
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try {
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return JSON.parse(userJson);
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} catch {
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return null;
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}
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};
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/**
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* Check if user is authenticated (token exists)
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*/
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export const isAuthenticated = (): boolean => {
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return !!getToken();
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};
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/**
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* Clear token and user data (logout)
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*/
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export const clearAuth = (): void => {
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localStorage.removeItem(TOKEN_KEY);
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localStorage.removeItem(USER_KEY);
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};
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/**
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* Get Bearer token for API requests
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*/
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export const getAuthHeader = (): { Authorization: string } | {} => {
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const token = getToken();
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if (!token) return {};
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return { Authorization: `Bearer ${token}` };
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};
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