| 1 | |
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| 2 | |
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| 3 | |
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| 4 | |
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| 5 | | use super::{ui, Ctx}; |
| 6 | | use anyhow::{bail, Context, Result}; |
| 7 | | use spectra_core::daemon::Daemon; |
| 8 | | use spectra_mcp::client::Client; |
| 9 | | use spectra_mcp::http::{AppState, PeerInfo}; |
| 10 | | use std::net::SocketAddr; |
| 11 | | use std::sync::Arc; |
| 12 | |
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| 13 | |
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| 14 | | struct ServerCfg { |
| 15 | | bind: String, |
| 16 | | tls: String, |
| 17 | | files: Option<(std::path::PathBuf, std::path::PathBuf)>, |
| 18 | | names: Vec<String>, |
| 19 | | } |
| 20 | |
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| 21 | 14× | fn server_cfg(ctx: &Ctx, bind: Option<String>, tls: Option<String>) -> Result<ServerCfg> { |
| 22 | 14× | let text = std::fs::read_to_string(ctx.data.join("spectra.toml")).unwrap_or_default(); |
| 23 | 14× | let t: toml::Table = text.parse().with_context(|| format!("reading {}", ctx.data.join("spectra.toml").display()))?; |
| 24 | 14× | let server = t.get("server").and_then(|s| s.as_table()).cloned().unwrap_or_default(); |
| 25 | 14× | let (mut mode, mut files) = (String::from("auto"), None); |
| 26 | 14× | match server.get("tls") { |
| 27 | 0× | Some(toml::Value::String(m)) => mode = m.clone(), |
| 28 | 0× | Some(toml::Value::Table(f)) => { |
| 29 | 0× | let path = |k: &str| f.get(k).and_then(|v| v.as_str()).map(std::path::PathBuf::from); |
| 30 | 0× | files = Some((path("cert").context("[server] tls needs cert")?, path("key").context("[server] tls needs key")?)); |
| 31 | 0× | mode = "on".into(); |
| 32 | | } |
| 33 | 14× | _ => {} |
| 34 | | } |
| 35 | 14× | if let Some(m) = tls { |
| 36 | 4× | mode = m; |
| 37 | 10× | } |
| 38 | 14× | if !matches!(mode.as_str(), "auto" | "on" | "off") { |
| 39 | 0× | bail!("TLS is auto, on or off, not {mode}"); |
| 40 | 14× | } |
| 41 | 14× | let names = match server.get("names").and_then(|n| n.as_array()) { |
| 42 | 0× | Some(a) => a.iter().filter_map(|v| v.as_str().map(String::from)).collect(), |
| 43 | 14× | None => default_names(), |
| 44 | | }; |
| 45 | 14× | let bind = bind.or_else(|| server.get("bind").and_then(|b| b.as_str()).map(String::from)).unwrap_or_else(|| "127.0.0.1:7350".into()); |
| 46 | 14× | Ok(ServerCfg { bind, tls: mode, files, names }) |
| 47 | 14× | } |
| 48 | |
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| 49 | |
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| 50 | 14× | fn default_names() -> Vec<String> { |
| 51 | 14× | let mut names = Vec::new(); |
| 52 | 14× | let short = std::fs::read_to_string("/etc/hostname").ok().map(|h| h.trim().to_string()).filter(|h| !h.is_empty()); |
| 53 | 14× | let fqdn = std::process::Command::new("hostname") |
| 54 | 14× | .arg("--fqdn") |
| 55 | 14× | .output() |
| 56 | 14× | .ok() |
| 57 | 14× | .filter(|o| o.status.success()) |
| 58 | 14× | .map(|o| String::from_utf8_lossy(&o.stdout).trim().to_string()) |
| 59 | 14× | .filter(|h| !h.is_empty()); |
| 60 | 14× | for n in [short, fqdn, Some("localhost".to_string())].into_iter().flatten() { |
| 61 | 14× | if !names.contains(&n) { |
| 62 | 14× | names.push(n); |
| 63 | 14× | } |
| 64 | | } |
| 65 | 14× | names |
| 66 | 14× | } |
| 67 | |
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| 68 | | type Served = std::pin::Pin<Box<dyn std::future::Future<Output = std::io::Result<()>> + Send>>; |
| 69 | |
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| 70 | 14× | pub async fn serve(ctx: &Ctx, bind: Option<String>, tls: Option<String>, insecure: bool, open: bool) -> Result<i32> { |
| 71 | 14× | let cfg = server_cfg(ctx, bind, tls)?; |
| 72 | 14× | let addr: SocketAddr = cfg.bind.parse().with_context(|| format!("{} is not an address and port", cfg.bind))?; |
| 73 | 14× | let use_tls = match cfg.tls.as_str() { |
| 74 | 14× | "on" => true, |
| 75 | 11× | "off" => false, |
| 76 | 10× | _ => !addr.ip().is_loopback(), |
| 77 | | }; |
| 78 | 14× | if !addr.ip().is_loopback() && !use_tls && !insecure { |
| 79 | 1× | bail!("Spectra serves other machines over TLS only (spec §21.1); drop --tls off, or pass --insecure to bind {addr} in plain HTTP anyway"); |
| 80 | 13× | } |
| 81 | 13× | let socket = ctx.socket(); |
| 82 | 13× | if socket.exists() { |
| 83 | 0× | if Client::alive(&socket).await { |
| 84 | 0× | bail!("Spectra is already serving {} (its socket answers)", ctx.data.display()); |
| 85 | 0× | } |
| 86 | 0× | std::fs::remove_file(&socket).ok(); |
| 87 | 13× | } |
| 88 | 13× | let daemon = Daemon::start(&ctx.data).await?; |
| 89 | 13× | let unix = tokio::net::UnixListener::bind(&socket).with_context(|| format!("binding {}", socket.display()))?; |
| 90 | | #[cfg(unix)] |
| 91 | | { |
| 92 | | use std::os::unix::fs::PermissionsExt; |
| 93 | 13× | std::fs::set_permissions(&socket, std::fs::Permissions::from_mode(0o660))?; |
| 94 | | } |
| 95 | 13× | let tcp = tokio::net::TcpListener::bind(addr).await.with_context(|| format!("binding {addr}"))?; |
| 96 | 13× | let port = tcp.local_addr()?.port(); |
| 97 | 13× | let mut origins = vec![format!("http://127.0.0.1:{port}"), format!("http://localhost:{port}"), format!("http://{addr}")]; |
| 98 | 13× | let tls = if use_tls { |
| 99 | 3× | let source = match &cfg.files { |
| 100 | 0× | Some((cert, key)) => spectra_mcp::tls::CertSource::Files { cert: cert.clone(), key: key.clone() }, |
| 101 | 3× | None => spectra_mcp::tls::CertSource::Own { names: cfg.names.clone() }, |
| 102 | | }; |
| 103 | 3× | let t = spectra_mcp::tls::ServerTls::load(&ctx.data, &source)?; |
| 104 | 3× | let instance = spectra_core::keys::KeyPair::instance(&ctx.data, "spectra")?; |
| 105 | 3× | spectra_mcp::instance::record_tls(&daemon.ledger, &instance, &t.spki_sha256, &t.names).await?; |
| 106 | 3× | for n in &cfg.names { |
| 107 | 3× | origins.push(format!("https://{n}:{port}")); |
| 108 | 3× | } |
| 109 | 3× | origins.push(format!("https://{addr}")); |
| 110 | 3× | Some(t) |
| 111 | | } else { |
| 112 | 10× | None |
| 113 | | }; |
| 114 | 13× | let state = AppState { daemon: daemon.clone(), origins: Arc::new(origins), sessions: Default::default() }; |
| 115 | 13× | let app = spectra_mcp::http::router(state.clone()).merge(spectra_mcp::api::router(state.clone())).merge(radar::router(state)); |
| 116 | |
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| 117 | 13× | let (head, _) = daemon.ledger.head().await; |
| 118 | 13× | let agents = sqlx::query_scalar::<_, i64>("SELECT COUNT(*) FROM agents WHERE disabled_ms IS NULL") |
| 119 | 13× | .fetch_one(daemon.ledger.pool()) |
| 120 | 13× | .await |
| 121 | 13× | .unwrap_or(0); |
| 122 | 13× | println!("{} {}", ui::done("Serving"), ui::subject("Spectra")); |
| 123 | 13× | println!("{}", ui::kv("socket", ui::path(socket.display()))); |
| 124 | 13× | match &tls { |
| 125 | 3× | Some(t) => { |
| 126 | 3× | let host = if addr.ip().is_unspecified() { |
| 127 | 0× | cfg.names.first().cloned().unwrap_or_else(|| "localhost".into()) |
| 128 | | } else { |
| 129 | 3× | addr.ip().to_string() |
| 130 | | }; |
| 131 | 3× | println!("{}", ui::kv("https", format!("https://{host}:{port}"))); |
| 132 | 3× | println!( |
| 133 | | "{}", |
| 134 | 3× | ui::kv( |
| 135 | 3× | "certificate", |
| 136 | 3× | format!("{}{}", ui::hash(hex::encode(&t.spki_sha256[..8])), ui::dim(" (signed by the instance key)")) |
| 137 | | ) |
| 138 | | ); |
| 139 | | } |
| 140 | 10× | None => println!("{}", ui::kv("http", format!("http://{}:{port}", addr.ip()))), |
| 141 | | } |
| 142 | 13× | println!("{}", ui::kv("ledger", format!("{head} events{}{agents} agent(s)", ui::sep()))); |
| 143 | 13× | println!(" {} {}", ui::note(), ui::dim("agents connect with: spectra mcp --agent NAME")); |
| 144 | 13× | println!(" {} {}", ui::note(), ui::dim("open Radar with: spectra open")); |
| 145 | 13× | if open { |
| 146 | 0× | let ctx2 = Ctx { data: ctx.data.clone() }; |
| 147 | 0× | tokio::spawn(async move { |
| 148 | | |
| 149 | 0× | tokio::time::sleep(std::time::Duration::from_millis(200)).await; |
| 150 | 0× | if let Err(e) = super::open::open(&ctx2, None, true).await { |
| 151 | 0× | eprintln!("{} {e:#}", ui::caution()); |
| 152 | 0× | } |
| 153 | 0× | }); |
| 154 | 13× | } |
| 155 | |
|
| 156 | 13× | let (stop_tx, stop_rx) = tokio::sync::watch::channel(false); |
| 157 | 26× | let stop = |mut rx: tokio::sync::watch::Receiver<bool>| async move { |
| 158 | 26× | let _ = rx.wait_for(|s| *s).await; |
| 159 | 52× | }; |
| 160 | 13× | let unix_srv = |
| 161 | 13× | axum::serve(unix, app.clone().into_make_service_with_connect_info::<PeerInfo>()).with_graceful_shutdown(stop(stop_rx.clone())); |
| 162 | 13× | let tcp_srv: Served = match &tls { |
| 163 | 3× | Some(t) => { |
| 164 | 3× | let listener = spectra_mcp::tls::TlsListener::new(tcp, t.config.clone())?; |
| 165 | 3× | let srv = axum::serve(listener, app.into_make_service_with_connect_info::<PeerInfo>()).with_graceful_shutdown(stop(stop_rx)); |
| 166 | 3× | Box::pin(async move { srv.await }) |
| 167 | | } |
| 168 | | None => { |
| 169 | 10× | let srv = axum::serve(tcp, app.into_make_service_with_connect_info::<PeerInfo>()).with_graceful_shutdown(stop(stop_rx)); |
| 170 | 10× | Box::pin(async move { srv.await }) |
| 171 | | } |
| 172 | | }; |
| 173 | 13× | let signal = async move { |
| 174 | 13× | shutdown_signal().await; |
| 175 | 13× | let _ = stop_tx.send(true); |
| 176 | 13× | }; |
| 177 | | |
| 178 | | |
| 179 | 13× | let (stopping_tx, mut stopping) = tokio::sync::watch::channel(false); |
| 180 | 13× | tokio::spawn(async move { |
| 181 | 13× | signal.await; |
| 182 | 13× | let _ = stopping_tx.send(true); |
| 183 | 13× | }); |
| 184 | 13× | let servers = async { tokio::join!(unix_srv, tcp_srv) }; |
| 185 | 13× | tokio::select! { |
| 186 | 13× | (u, t) = servers => { |
| 187 | 13× | u?; |
| 188 | 13× | t?; |
| 189 | | } |
| 190 | 13× | _ = async { |
| 191 | 13× | let _ = stopping.wait_for(|s| *s).await; |
| 192 | 7× | tokio::time::sleep(std::time::Duration::from_secs(5)).await; |
| 193 | 0× | } => { |
| 194 | 0× | tracing::info!("connections still open five seconds after the signal; stopping anyway"); |
| 195 | | } |
| 196 | | } |
| 197 | 13× | daemon.shutdown().await; |
| 198 | 13× | std::fs::remove_file(&socket).ok(); |
| 199 | 13× | println!("{} {}", ui::done("Stopped"), ui::dim(format!("ledger checkpointed at {} events", daemon.ledger.head().await.0))); |
| 200 | 13× | Ok(0) |
| 201 | 14× | } |
| 202 | |
|
| 203 | 13× | async fn shutdown_signal() { |
| 204 | | #[cfg(unix)] |
| 205 | | { |
| 206 | 13× | let mut term = tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate()).expect("a SIGTERM handler"); |
| 207 | 13× | tokio::select! { |
| 208 | 13× | _ = tokio::signal::ctrl_c() => {} |
| 209 | 13× | _ = term.recv() => {} |
| 210 | | } |
| 211 | | } |
| 212 | | #[cfg(not(unix))] |
| 213 | | let _ = tokio::signal::ctrl_c().await; |
| 214 | 13× | } |