Created
August 5, 2024 14:04
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Prevention of Authorization Bypass Attacks
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| import { Request, Response, NextFunction } from 'express'; | |
| interface User { | |
| id: string; | |
| roles: string[]; | |
| } | |
| function checkPermission(permission: string) { | |
| return (req: Request, res: Response, next: NextFunction) => { | |
| const user = req.user as User; | |
| if (user && user.roles.includes(permission)) { | |
| next(); | |
| } else { | |
| res.status(403).json({ error: "Permission denied" }); | |
| } | |
| }; | |
| } | |
| app.get('/sensitive-data', checkPermission('view_sensitive_data'), (req: Request, res: Response) => { | |
| // Handle the request | |
| }); |
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