56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
import { Request, Response, NextFunction } from 'express';
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import jwt from 'jsonwebtoken';
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const JWT_SECRET = process.env.JWT_SECRET || 'token-aggregation-secret';
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export interface AuthUser {
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id: number;
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username: string;
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email?: string;
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role: string;
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}
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export interface AuthRequest extends Request {
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userId?: number;
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username?: string;
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role?: string;
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user?: AuthUser;
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}
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export function authenticateToken(req: AuthRequest, res: Response, next: NextFunction): void {
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const authHeader = req.headers.authorization;
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const token = authHeader && authHeader.split(' ')[1];
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if (!token) {
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res.status(401).json({ error: 'Access token required' });
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return;
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}
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try {
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const payload = jwt.verify(token, JWT_SECRET) as { userId: number; username: string; role: string };
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req.userId = payload.userId;
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req.username = payload.username;
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req.role = payload.role;
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req.user = { id: payload.userId, username: payload.username, role: payload.role };
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next();
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} catch {
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res.status(403).json({ error: 'Invalid or expired token' });
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}
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}
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export function requireRole(...allowed: string[]) {
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return (req: AuthRequest, res: Response, next: NextFunction): void => {
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if (!req.role || !allowed.includes(req.role)) {
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res.status(403).json({ error: 'Insufficient permissions' });
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return;
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}
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next();
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};
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}
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export function generateToken(userId: number, username: string, role: string): string {
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return jwt.sign(
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{ userId, username, role },
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JWT_SECRET,
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{ expiresIn: '24h' }
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);
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}
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