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SerpentRace/SerpentRace_Backend/src/Api/middleware/optionalAuth.ts
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2025-09-15 19:00:35 +02:00

67 lines
2.3 KiB
TypeScript

import { Request, Response, NextFunction } from 'express';
import { JWTService } from '../../Application/Services/JWTService';
import { UserState } from '../../Domain/User/UserAggregate';
import { logAuth, logWarning } from '../../Application/Services/Logger';
interface AuthenticatedRequest extends Request {
user?: {
userId: string;
authLevel: 0 | 1;
userStatus: UserState;
orgId: string | null;
};
}
/**
* Optional authentication middleware - extracts JWT data if present but doesn't require authentication
* Used for endpoints that work for both authenticated and anonymous users
*/
export const optionalAuth = (req: AuthenticatedRequest, res: Response, next: NextFunction) => {
const jwtService = new JWTService();
try {
// Try to extract token from Authorization header or cookies
const authHeader = req.headers.authorization;
const token = authHeader?.startsWith('Bearer ')
? authHeader.substring(7)
: req.cookies?.auth_token;
if (token) {
// If token exists, try to verify it
const payload = jwtService.verify(req);
if (payload) {
req.user = {
userId: payload.userId,
authLevel: payload.authLevel,
userStatus: payload.userStatus,
orgId: payload.orgId || null
};
logAuth('Optional auth - user authenticated', payload.userId, {
authLevel: payload.authLevel,
userStatus: payload.userStatus,
orgId: payload.orgId
});
} else {
logWarning('Optional auth - invalid token provided', {
hasToken: true,
tokenLength: token.length
});
}
}
// Continue regardless of authentication status
next();
} catch (error) {
// Log the error but continue without authentication
logWarning('Optional auth - error processing token', {
error: error instanceof Error ? error.message : String(error),
hasAuthHeader: !!req.headers.authorization,
hasCookie: !!req.cookies?.auth_token
});
next();
}
};