fix(homecore): harden runtime and publish truthful capabilities (#1450)

This commit is contained in:
rUv
2026-07-27 10:41:43 -07:00
committed by GitHub
parent 13015c9d36
commit 581af67fbc
25 changed files with 1218 additions and 469 deletions
+13 -4
View File
@@ -40,13 +40,22 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Token provisioning (HC-WS-08). Prefer the HOMECORE_TOKENS env
// whitelist; fall back to DEV mode (warn-logged) only when unset.
let tokens = if std::env::var("HOMECORE_TOKENS")
let has_tokens = std::env::var("HOMECORE_TOKENS")
.map(|v| !v.trim().is_empty())
.unwrap_or(false)
{
.unwrap_or(false);
let insecure_dev_auth = std::env::var("HOMECORE_INSECURE_DEV_AUTH").as_deref() == Ok("1");
if !has_tokens && !insecure_dev_auth {
return Err(
"HOMECORE_TOKENS is required (or set HOMECORE_INSECURE_DEV_AUTH=1 for loopback-only development)"
.into(),
);
}
let tokens = if has_tokens {
let s = LongLivedTokenStore::from_env();
let n = s.len().await;
tracing::info!("LongLivedTokenStore provisioned with {n} bearer token(s) from HOMECORE_TOKENS");
tracing::info!(
"LongLivedTokenStore provisioned with {n} bearer token(s) from HOMECORE_TOKENS"
);
s
} else {
tracing::warn!(
+1 -1
View File
@@ -93,7 +93,7 @@ pub async fn get_state(
) -> ApiResult<Json<StateView>> {
let _ = BearerAuth::from_headers(&headers, s.tokens()).await?;
let id = EntityId::parse(entity_id.clone()).map_err(|e| ApiError::BadRequest(e.to_string()))?;
let st = s.homecore().states().get(&id).ok_or_else(|| ApiError::NotFound(entity_id))?;
let st = s.homecore().states().get(&id).ok_or(ApiError::NotFound(entity_id))?;
Ok(Json(StateView::from_state(&st)))
}
+16 -10
View File
@@ -1,5 +1,5 @@
use std::sync::Arc;
use homecore::HomeCore;
use std::sync::Arc;
use crate::tokens::LongLivedTokenStore;
@@ -28,15 +28,13 @@ impl SharedState {
location_name: impl Into<String>,
homecore_version: impl Into<String>,
) -> Self {
// P2 default: dev-mode token store (accepts any non-empty
// bearer) so existing smoke tests still work; the
// `homecore-server` binary uses with_tokens() to provision a
// real store at boot.
// Fail closed by default. Tests and explicitly insecure local
// development must opt into `allow_any_non_empty()` themselves.
Self::with_tokens(
homecore,
location_name,
homecore_version,
LongLivedTokenStore::allow_any_non_empty(),
LongLivedTokenStore::empty(),
)
}
@@ -56,8 +54,16 @@ impl SharedState {
}
}
pub fn homecore(&self) -> &HomeCore { &self.inner.homecore }
pub fn version(&self) -> &str { &self.inner.homecore_version }
pub fn location_name(&self) -> &str { &self.inner.location_name }
pub fn tokens(&self) -> &LongLivedTokenStore { &self.inner.tokens }
pub fn homecore(&self) -> &HomeCore {
&self.inner.homecore
}
pub fn version(&self) -> &str {
&self.inner.homecore_version
}
pub fn location_name(&self) -> &str {
&self.inner.location_name
}
pub fn tokens(&self) -> &LongLivedTokenStore {
&self.inner.tokens
}
}
+4
View File
@@ -127,6 +127,10 @@ impl LongLivedTokenStore {
self.inner.read().await.tokens.len()
}
pub async fn is_empty(&self) -> bool {
self.inner.read().await.tokens.is_empty()
}
/// Is the store accepting any non-empty bearer (DEV mode)?
pub async fn is_dev_mode(&self) -> bool {
self.inner.read().await.allow_any
+89 -25
View File
@@ -20,7 +20,6 @@
//! drains the response channel onto the socket (HC-WS-02 closed the prior
//! reply-theater where responses were logged and discarded).
use std::sync::atomic::{AtomicU64, Ordering};
use std::sync::Arc;
use axum::extract::ws::{Message, WebSocket, WebSocketUpgrade};
@@ -28,6 +27,10 @@ use axum::extract::State;
use axum::response::IntoResponse;
use serde::{Deserialize, Serialize};
use tokio::sync::broadcast;
/// Per-connection outbound queue. A bounded queue prevents a client that
/// stops reading from turning event fan-out into unbounded process memory.
const OUTBOUND_QUEUE_CAPACITY: usize = 256;
use tracing::warn;
use homecore::{Context, ServiceCall, ServiceName, SystemEvent};
@@ -49,7 +52,11 @@ async fn handle_socket(mut socket: WebSocket, state: SharedState) {
"type": "auth_required",
"ha_version": state.version(),
});
if socket.send(Message::Text(auth_req.to_string())).await.is_err() {
if socket
.send(Message::Text(auth_req.to_string()))
.await
.is_err()
{
return;
}
@@ -59,7 +66,8 @@ async fn handle_socket(mut socket: WebSocket, state: SharedState) {
_ => {
let _ = socket
.send(Message::Text(
serde_json::json!({"type":"auth_invalid","message":"expected auth"}).to_string(),
serde_json::json!({"type":"auth_invalid","message":"expected auth"})
.to_string(),
))
.await;
return;
@@ -85,7 +93,11 @@ async fn handle_socket(mut socket: WebSocket, state: SharedState) {
return;
}
let auth_ok = serde_json::json!({"type":"auth_ok","ha_version": state.version()});
if socket.send(Message::Text(auth_ok.to_string())).await.is_err() {
if socket
.send(Message::Text(auth_ok.to_string()))
.await
.is_err()
{
return;
}
@@ -140,7 +152,6 @@ struct ErrorView<'a> {
struct Connection {
state: SharedState,
next_sub_id: AtomicU64,
subs: Arc<dashmap::DashMap<u64, SubscriptionHandle>>,
}
@@ -152,7 +163,6 @@ impl Connection {
fn new(state: SharedState) -> Self {
Self {
state,
next_sub_id: AtomicU64::new(1),
subs: Arc::new(dashmap::DashMap::new()),
}
}
@@ -168,7 +178,7 @@ impl Connection {
// DISCARDED every message — so no `result`/`pong`/`event` ever
// reached the client. Now `rx` feeds `socket.send`.
let (mut sink, mut stream) = socket.split();
let (tx, mut rx) = tokio::sync::mpsc::unbounded_channel::<String>();
let (tx, mut rx) = tokio::sync::mpsc::channel::<String>(OUTBOUND_QUEUE_CAPACITY);
// Writer task: drain replies onto the socket. A `__pong:<n>`
// sentinel maps to a binary Pong control frame; everything else
@@ -205,7 +215,7 @@ impl Connection {
conn.handle_cmd(cmd, &reader_tx).await;
}
Ok(Message::Ping(p)) => {
let _ = reader_tx.send(format!("__pong:{}", p.len()));
let _ = reader_tx.try_send(format!("__pong:{}", p.len()));
}
Ok(Message::Close(_)) | Err(_) => break,
_ => {}
@@ -224,15 +234,16 @@ impl Connection {
let _ = writer_task.await;
}
async fn handle_cmd(&self, cmd: WsCommand, tx: &tokio::sync::mpsc::UnboundedSender<String>) {
async fn handle_cmd(&self, cmd: WsCommand, tx: &tokio::sync::mpsc::Sender<String>) {
match cmd.kind.as_str() {
"ping" => {
let msg = serde_json::json!({"id": cmd.id, "type": "pong"});
let _ = tx.send(msg.to_string());
let _ = tx.try_send(msg.to_string());
}
"get_states" => {
let snapshots = self.state.homecore().states().all();
let views: Vec<StateView> = snapshots.iter().map(|s| StateView::from_state(s)).collect();
let views: Vec<StateView> =
snapshots.iter().map(|s| StateView::from_state(s)).collect();
self.ack(tx, cmd.id, true, Some(serde_json::to_value(views).unwrap()));
}
"get_config" => {
@@ -245,17 +256,28 @@ impl Connection {
}
"get_services" => {
let services = self.state.homecore().services().registered_services().await;
let mut by_domain: std::collections::HashMap<String, serde_json::Map<String, serde_json::Value>> =
std::collections::HashMap::new();
let mut by_domain: std::collections::HashMap<
String,
serde_json::Map<String, serde_json::Value>,
> = std::collections::HashMap::new();
for s in services {
by_domain.entry(s.domain).or_default().insert(s.service, serde_json::json!({}));
by_domain
.entry(s.domain)
.or_default()
.insert(s.service, serde_json::json!({}));
}
let payload = serde_json::to_value(by_domain).unwrap();
self.ack(tx, cmd.id, true, Some(payload));
}
"call_service" => {
let (Some(domain), Some(service)) = (cmd.domain.clone(), cmd.service.clone()) else {
self.err(tx, cmd.id, "missing_domain_service", "domain and service are required");
let (Some(domain), Some(service)) = (cmd.domain.clone(), cmd.service.clone())
else {
self.err(
tx,
cmd.id,
"missing_domain_service",
"domain and service are required",
);
return;
};
let call = ServiceCall {
@@ -269,7 +291,13 @@ impl Connection {
}
}
"subscribe_events" => {
let sub_id = self.next_sub_id.fetch_add(1, Ordering::Relaxed);
// HA uses the subscribing command ID as the subscription ID
// in every emitted event and in `unsubscribe_events`.
let sub_id = cmd.id;
if self.subs.contains_key(&sub_id) {
self.err(tx, cmd.id, "id_reused", "subscription id is already active");
return;
}
let filter = cmd.event_type.clone();
let tx_clone = tx.clone();
let mut domain_rx = self.state.homecore().bus().subscribe_domain();
@@ -294,7 +322,27 @@ impl Connection {
"time_fired": sc.fired_at.to_rfc3339(),
}
});
if tx_clone.send(payload.to_string()).is_err() { break; }
if tx_clone.try_send(payload.to_string()).is_err() { break; }
}
}
Ok(SystemEvent::ServiceCalled { domain, service, data, context }) => {
if filter.as_deref() == Some("call_service") || filter.is_none() {
let payload = serde_json::json!({
"id": sub_id,
"type": "event",
"event": {
"event_type": "call_service",
"data": {
"domain": domain,
"service": service,
"service_data": data,
},
"origin": "LOCAL",
"time_fired": chrono::Utc::now().to_rfc3339(),
"context": context,
}
});
if tx_clone.try_send(payload.to_string()).is_err() { break; }
}
}
Ok(_) => {}
@@ -323,7 +371,7 @@ impl Connection {
"time_fired": de.fired_at.to_rfc3339(),
}
});
if tx_clone.send(payload.to_string()).is_err() { break; }
if tx_clone.try_send(payload.to_string()).is_err() { break; }
}
}
// Same recoverable-lag handling as the system arm
@@ -353,11 +401,21 @@ impl Connection {
self.err(tx, cmd.id, "not_found", "subscription_id not found");
}
} else {
self.err(tx, cmd.id, "missing_subscription", "subscription is required");
self.err(
tx,
cmd.id,
"missing_subscription",
"subscription is required",
);
}
}
other => {
self.err(tx, cmd.id, "unknown_command", &format!("unknown ws command: {other}"));
self.err(
tx,
cmd.id,
"unknown_command",
&format!("unknown ws command: {other}"),
);
}
}
// entity_id is reserved for future per-entity subscribes
@@ -366,7 +424,7 @@ impl Connection {
fn ack(
&self,
tx: &tokio::sync::mpsc::UnboundedSender<String>,
tx: &tokio::sync::mpsc::Sender<String>,
id: u64,
success: bool,
result: Option<serde_json::Value>,
@@ -378,10 +436,16 @@ impl Connection {
result,
error: None,
};
let _ = tx.send(serde_json::to_string(&msg).unwrap());
let _ = tx.try_send(serde_json::to_string(&msg).unwrap());
}
fn err(&self, tx: &tokio::sync::mpsc::UnboundedSender<String>, id: u64, code: &'static str, message: &str) {
fn err(
&self,
tx: &tokio::sync::mpsc::Sender<String>,
id: u64,
code: &'static str,
message: &str,
) {
let msg = ResultMessage {
id,
kind: "result",
@@ -389,7 +453,7 @@ impl Connection {
result: None,
error: Some(ErrorView { code, message }),
};
let _ = tx.send(serde_json::to_string(&msg).unwrap());
let _ = tx.try_send(serde_json::to_string(&msg).unwrap());
}
}