Given the instability and deprecation of loopback.getCurrentContext(), what strategies can I use to accurately identify users when they interact with API endpoints?
Is it feasible to include the token ID in the request payload for verification purposes? How can I guard against fraudulent usage if a user tries to manipulate the token? Are there more robust alternatives to the temporary fixes suggested on Github's issue page?
For more information, take a look at
To summarize, after logging in, you will receive an AccessToken in the response. This AccessToken can be used in headers or query strings to confirm your logged-in status:
# Authorization Header
curl -X GET -H "Authorization: $ACCESS_TOKEN" \
http://localhost:3000/api/widgets
# Query Parameter
curl -X GET http://localhost:3000/api/widgets?access_token=$ACCESS_TOKEN
It is not easy to fake this as the access token is validated with each request to guarantee its authenticity and validity.
Once this is set up, you can access the accessToken by (referenced from https://github.com/strongloop/loopback/issues/569#issuecomment-60924099, but with user attached to req object)
app.use(function(req, res, next) {
app.currentUser = null;
if (!req.accessToken) return next();
req.accessToken.user(function(err, user) {
if (err) return next(err);
req.currentUser = user;
next();
});
});
Include this in your server.js or a boot script to have the user object accessible on ctx.req.currentUser at any given time.
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