medallion/examples/rs256.rs

56 lines
1.3 KiB
Rust

extern crate medallion;
use std::default::Default;
use std::fs::File;
use std::io::{Error, Read};
use medallion::{
Algorithm,
DefaultHeader,
Registered,
Token,
};
fn load_pem(keypath: &str) -> Result<String, Error> {
let mut key_file = File::open(keypath)?;
let mut key = String::new();
key_file.read_to_string(&mut key)?;
Ok(key)
}
fn new_token(user_id: &str, password: &str) -> Option<String> {
// Dummy auth
if password != "password" {
return None
}
let header: DefaultHeader = DefaultHeader {
alg: Algorithm::RS256,
..Default::default()
};
let claims = Registered {
iss: Some("example.com".into()),
sub: Some(user_id.into()),
..Default::default()
};
let token = Token::new(header, claims);
token.signed(load_pem("./privateKey.pem").unwrap().as_bytes()).ok()
}
fn login(token: &str) -> Option<String> {
let token = Token::<DefaultHeader, Registered>::parse(token).unwrap();
if token.verify(load_pem("./publicKey.pub").unwrap().as_bytes()).unwrap() {
token.claims.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");
}