auth token should be enhanced and updated

[LuminaX-alt]

Security Enhancements
Use Strong Signing Algorithms: Use HS256 or RS256 for JWT tokens.

Set Expiry Time (exp): Avoid long-lived tokens. Use short expiration with refresh tokens.

Use Refresh Tokens: Keep access tokens short-lived and refresh them securely.

Include Audience (aud) and Issuer (iss): Helps verify who the token is for and who issued it.

Rotate Secrets: Regularly rotate signing keys or secrets.

Use HTTPS: Always transmit tokens over secure HTTPS to prevent sniffing.

Limit Scope: Use scopes or claims to restrict access to necessary resources only.

Store Securely: Don’t store tokens in localStorage (XSS risk); prefer HTTP-only cookies.
from flask_jwt_extended import JWTManager, jwt_required, create_access_token, create_refresh_token

If access token expires

@app.route('/refresh', methods=['POST'])
@jwt_required(refresh=True)
def refresh():
identity = get_jwt_identity()
return jsonify(access_token=create_access_token(identity=identity)), 200
async function fetchWithAuth() {
try {
const res = await fetch('/api/data', {
headers: { Authorization: Bearer ${accessToken} }
});
if (res.status === 401) {
// Token expired, try refresh
const refreshRes = await fetch('/refresh', { method: 'POST' });
const { access_token } = await refreshRes.json();
accessToken = access_token;
return fetchWithAuth(); // retry with new token
}
return await res.json();
} catch (err) {
console.error('Fetch failed:', err);
}
}