Files
arbiter/server/crates/arbiter-server/src/grpc/client.rs
2026-03-25 15:25:24 +01:00

119 lines
3.7 KiB
Rust

use arbiter_proto::{
proto::client::{
ClientRequest, ClientResponse, VaultState as ProtoVaultState,
client_request::Payload as ClientRequestPayload,
client_response::Payload as ClientResponsePayload,
},
transport::{Receiver, Sender, grpc::GrpcBi},
};
use kameo::{
actor::{ActorRef, Spawn as _},
error::SendError,
};
use tonic::Status;
use tracing::{info, warn};
use crate::{
actors::{
client::{
self, ClientConnection,
session::{ClientSession, Error, HandleQueryVaultState},
},
keyholder::KeyHolderState,
},
grpc::request_tracker::RequestTracker,
};
mod auth;
mod inbound;
mod outbound;
async fn dispatch_loop(
mut bi: GrpcBi<ClientRequest, ClientResponse>,
actor: ActorRef<ClientSession>,
mut request_tracker: RequestTracker,
) {
loop {
let Some(message) = bi.recv().await else { return };
let conn = match message {
Ok(conn) => conn,
Err(err) => {
warn!(error = ?err, "Failed to receive client request");
return;
}
};
let request_id = match request_tracker.request(conn.request_id) {
Ok(id) => id,
Err(err) => {
let _ = bi.send(Err(err)).await;
return;
}
};
let Some(payload) = conn.payload else {
let _ = bi.send(Err(Status::invalid_argument("Missing client request payload"))).await;
return;
};
match dispatch_inner(&actor, payload).await {
Ok(response) => {
if bi.send(Ok(ClientResponse {
request_id: Some(request_id),
payload: Some(response),
})).await.is_err() {
return;
}
}
Err(status) => {
let _ = bi.send(Err(status)).await;
return;
}
}
}
}
async fn dispatch_inner(
actor: &ActorRef<ClientSession>,
payload: ClientRequestPayload,
) -> Result<ClientResponsePayload, Status> {
match payload {
ClientRequestPayload::QueryVaultState(_) => {
let state = match actor.ask(HandleQueryVaultState {}).await {
Ok(KeyHolderState::Unbootstrapped) => ProtoVaultState::Unbootstrapped,
Ok(KeyHolderState::Sealed) => ProtoVaultState::Sealed,
Ok(KeyHolderState::Unsealed) => ProtoVaultState::Unsealed,
Err(SendError::HandlerError(Error::Internal)) => ProtoVaultState::Error,
Err(err) => {
warn!(error = ?err, "Failed to query vault state");
ProtoVaultState::Error
}
};
Ok(ClientResponsePayload::VaultState(state.into()))
}
payload => {
warn!(?payload, "Unsupported post-auth client request");
Err(Status::invalid_argument("Unsupported client request"))
}
}
}
pub async fn start(mut conn: ClientConnection, mut bi: GrpcBi<ClientRequest, ClientResponse>) {
let mut request_tracker = RequestTracker::default();
if let Err(e) = auth::start(&mut conn, &mut bi, &mut request_tracker).await {
let mut transport = auth::AuthTransportAdapter::new(&mut bi, &mut request_tracker);
let _ = transport.send(Err(e.clone())).await;
warn!(error = ?e, "Client authentication failed");
return;
};
let actor = client::session::ClientSession::spawn(client::session::ClientSession::new(conn));
let actor_for_cleanup = actor.clone();
info!("Client authenticated successfully");
dispatch_loop(bi, actor, request_tracker).await;
actor_for_cleanup.kill();
}