52 lines
1.5 KiB
Rust
52 lines
1.5 KiB
Rust
extern crate medallion;
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use std::default::Default;
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use std::fs::File;
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use std::io::{Error, Read};
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use medallion::{Algorithm, Header, DefaultPayload, DefaultToken};
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fn load_pem(keypath: &str) -> Result<String, Error> {
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let mut key_file = File::open(keypath)?;
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let mut key = String::new();
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key_file.read_to_string(&mut key)?;
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Ok(key)
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}
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fn new_token(user_id: &str, password: &str) -> Option<String> {
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// Dummy auth
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if password != "password" {
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return None;
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}
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// can satisfy Header's generic parameter with an empty type
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let header: Header<()> = Header { alg: Algorithm::RS256, ..Default::default() };
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let payload: DefaultPayload = DefaultPayload {
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iss: Some("example.com".into()),
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sub: Some(user_id.into()),
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..Default::default()
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};
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let token = DefaultToken::new(header, payload);
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// this key was generated explicitly for these examples and is not used anywhere else
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token.sign(load_pem("./privateKey.pem").unwrap().as_bytes()).ok()
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}
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fn login(token: &str) -> Option<String> {
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let token: DefaultToken<()> = DefaultToken::parse(token).unwrap();
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// this key was generated explicitly for these examples and is not used anywhere else
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if token.verify(load_pem("./publicKey.pub").unwrap().as_bytes()).unwrap() {
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token.payload.sub
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} else {
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None
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}
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}
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fn main() {
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let token = new_token("Random User", "password").unwrap();
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let logged_in_user = login(&*token).unwrap();
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assert_eq!(logged_in_user, "Random User");
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}
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