medallion/examples/hs256.rs

44 lines
1.3 KiB
Rust

extern crate medallion;
use medallion::{DefaultPayload, DefaultToken, Header};
fn new_token(user_id: &str, password: &str) -> Option<String> {
// dummy auth, in a real application using something like openidconnect, this would be some
// specific authentication scheme that takes place first then the JWT is generated as part of
// sucess and signed with the provider's private key so other services can validate trust for
// the claims in the token
if password != "password" {
return None;
}
// can satisfy Header's generic parameter with an empty type
let header: Header = Header::default();
let payload = DefaultPayload {
iss: Some("example.com".into()),
sub: Some(user_id.into()),
..DefaultPayload::default()
};
let token = DefaultToken::new(header, payload);
token.sign(b"secret_key").ok()
}
fn login(token: &str) -> Option<String> {
let token: DefaultToken<()> = DefaultToken::parse(token).unwrap();
// the key for HMAC is some secret known to trusted/trusting parties
if token.verify(b"secret_key").unwrap() {
token.payload.sub
} else {
None
}
}
fn main() {
let token = new_token("Random User", "password").unwrap();
let logged_in_user = login(&*token).unwrap();
assert_eq!(logged_in_user, "Random User");
}