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Is it safe to send tokens in URL?
So, if the client and the OAuth server both use https, would it be ok to send access tokens in url? Not really, URLs are still liable to be logged at the end server, which means the access token can still be leaked if an attacker was to get access to server logs. This is still susceptible to shoulder-surfing.
Why is LocalStorage bad?
If a site is vulnerable to XSS, LocalStorage is not safe Local storage shares many of the same characteristics as a cookie, including the same security risks. One of those is susceptibility to cross-site scripting, which steals cookies to let hackers masquerade as a user with their login session for a site.
Where to store auth token in a browser?
If the client is a browser you could store the token in local/session storage and then send the token via the header (as the accepted answer says), but as you mentioned – this has vulnerabilities and is not recommended (see more on this here: https://auth0.com/docs/security/store-tokens ).
How does a token based authentication system work?
A token is a piece of data that has no meaning or use on its own, but combined with the correct tokenization system, becomes a vital player in securing your application. Token based authentication works by ensuring that each request to a server is accompanied by a signed token which the server verifies for authenticity and only then responds to
How does jwtcheck work with token based authentication?
When making the call add an Authorization header and for the value add Bearer {TOKEN}. When the call is made the jwtCheck middleware will examine the request, ensure it has the Authorization header in the correct format, extract the token, verify it and if verified process the rest of the request.
Where to put a token in a URL?
An obvious place to put a token in a URL is either into the path (perhaps using random names for resources) or into the query parameters. This is nice and simple, but suffers from some drawbacks. Firstly, such URLs might inadvertently leak in the Referer header when loading resources from other sites.