Files
arbiter/server/crates/arbiter-useragent/tests/auth.rs

140 lines
4.0 KiB
Rust

use arbiter_proto::{
format_challenge,
proto::user_agent::{
AuthChallenge, AuthOk,
UserAgentRequest, UserAgentResponse,
user_agent_request::Payload as UserAgentRequestPayload,
user_agent_response::Payload as UserAgentResponsePayload,
},
transport::Bi,
};
use arbiter_useragent::UserAgentActor;
use ed25519_dalek::SigningKey;
use kameo::actor::Spawn;
use tokio::sync::mpsc;
use tokio::time::{Duration, timeout};
struct TestTransport {
inbound_rx: mpsc::Receiver<UserAgentResponse>,
outbound_tx: mpsc::Sender<UserAgentRequest>,
}
impl Bi<UserAgentResponse, UserAgentRequest> for TestTransport {
async fn send(&mut self, item: UserAgentRequest) -> Result<(), arbiter_proto::transport::Error> {
self.outbound_tx
.send(item)
.await
.map_err(|_| arbiter_proto::transport::Error::ChannelClosed)
}
async fn recv(&mut self) -> Option<UserAgentResponse> {
self.inbound_rx.recv().await
}
}
fn make_transport() -> (
TestTransport,
mpsc::Sender<UserAgentResponse>,
mpsc::Receiver<UserAgentRequest>,
) {
let (inbound_tx, inbound_rx) = mpsc::channel(8);
let (outbound_tx, outbound_rx) = mpsc::channel(8);
(
TestTransport {
inbound_rx,
outbound_tx,
},
inbound_tx,
outbound_rx,
)
}
fn test_key() -> SigningKey {
SigningKey::from_bytes(&[7u8; 32])
}
#[tokio::test]
async fn sends_auth_request_on_start_with_bootstrap_token() {
let key = test_key();
let pubkey = key.verifying_key().to_bytes().to_vec();
let bootstrap_token = Some("bootstrap-123".to_string());
let (transport, inbound_tx, mut outbound_rx) = make_transport();
let actor = UserAgentActor::spawn(UserAgentActor::new(key, bootstrap_token.clone(), transport));
let outbound = timeout(Duration::from_secs(1), outbound_rx.recv())
.await
.expect("timed out waiting for auth request")
.expect("channel closed before auth request");
let UserAgentRequest {
payload: Some(UserAgentRequestPayload::AuthChallengeRequest(req)),
} = outbound
else {
panic!("expected auth challenge request");
};
assert_eq!(req.pubkey, pubkey);
assert_eq!(req.bootstrap_token, bootstrap_token);
drop(inbound_tx);
drop(actor);
}
#[tokio::test]
async fn challenge_flow_sends_solution_from_transport_inbound() {
let key = test_key();
let verify_key = key.verifying_key();
let (transport, inbound_tx, mut outbound_rx) = make_transport();
let actor = UserAgentActor::spawn(UserAgentActor::new(key, None, transport));
let _initial_auth_request = timeout(Duration::from_secs(1), outbound_rx.recv())
.await
.expect("timed out waiting for initial auth request")
.expect("missing initial auth request");
let challenge = AuthChallenge {
pubkey: verify_key.to_bytes().to_vec(),
nonce: 42,
};
inbound_tx
.send(UserAgentResponse {
payload: Some(UserAgentResponsePayload::AuthChallenge(challenge.clone())),
})
.await
.unwrap();
let outbound = timeout(Duration::from_secs(1), outbound_rx.recv())
.await
.expect("timed out waiting for challenge solution")
.expect("missing challenge solution");
let UserAgentRequest {
payload: Some(UserAgentRequestPayload::AuthChallengeSolution(solution)),
} = outbound
else {
panic!("expected auth challenge solution");
};
let formatted = format_challenge(challenge.nonce, &challenge.pubkey);
let sig: ed25519_dalek::Signature = solution
.signature
.as_slice()
.try_into()
.expect("signature bytes length");
verify_key
.verify_strict(&formatted, &sig)
.expect("solution signature should verify");
inbound_tx
.send(UserAgentResponse {
payload: Some(UserAgentResponsePayload::AuthOk(AuthOk {})),
})
.await
.unwrap();
drop(inbound_tx);
drop(actor);
}