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Lot 6 : clients Rust du chiffrement et de l'exécution des outils
Sceller / ouvrir un blob par le Go (mémoire verrouillée : erreur dédiée, rien d'écrit en clair) et faire exécuter un appel d'outil par sa boucle — les deux ponts dont la conversation Rust aura besoin. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -86,6 +86,46 @@ impl Store {
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serde_json::from_slice(&bytes).map_err(|e| e.to_string())
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}
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/// Scelle un blob avec la clé de la mémoire (gardée par le Go). Clair
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/// rendu tel quel si le chiffrement est coupé.
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pub async fn seal(&self, plain: Vec<u8>) -> Result<Vec<u8>, CryptError> {
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self.crypt("/internal/v1/crypt/seal", plain).await
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}
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/// Ouvre un blob (un contenu non chiffré passe tel quel).
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pub async fn open(&self, raw: Vec<u8>) -> Result<Vec<u8>, CryptError> {
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self.crypt("/internal/v1/crypt/open", raw).await
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}
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async fn crypt(&self, path: &str, body: Vec<u8>) -> Result<Vec<u8>, CryptError> {
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match self.call(Method::POST, path, body).await {
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Ok((StatusCode::OK, b)) => Ok(b.to_vec()),
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Ok((StatusCode::LOCKED, _)) => Err(CryptError::Locked),
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Ok((s, b)) => Err(CryptError::Other(format!(
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"{path} : {s} {}",
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String::from_utf8_lossy(&b)
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))),
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Err(e) => Err(CryptError::Other(e)),
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}
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}
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/// Exécute un appel d'outil par le Go (`/internal/v1/tool/exec`) : même
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/// fonction que sa boucle de chat. `caps` : objet JSON des capacités du
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/// tour (champs Go : Agent, Internet, Mem, Code, Role, ComputerUse).
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pub async fn tool_exec(
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&self,
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name: &str,
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args: &serde_json::Value,
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caps: &serde_json::Value,
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) -> Result<serde_json::Value, String> {
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self.internal_json(
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Method::POST,
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"/internal/v1/tool/exec",
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Some(&serde_json::json!({ "name": name, "args": args, "caps": caps })),
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)
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.await
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}
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/// Valeur brute ; `Ok(None)` = absente, `Err` = pas pu lire (à distinguer
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/// pour les secrets : comme `getBytesErr`).
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pub async fn get(&self, bucket: &str, key: &str) -> Result<Option<Vec<u8>>, String> {
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@@ -136,6 +176,14 @@ impl Store {
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}
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}
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/// Échec de chiffrement / déchiffrement.
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub enum CryptError {
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/// Mémoire verrouillée : attendre le déverrouillage, ne rien écrire.
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Locked,
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Other(String),
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}
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/// Encodage d'un paramètre de requête (RFC 3986, caractères non réservés
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/// conservés).
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pub fn enc(s: &str) -> String {
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@@ -30,6 +30,10 @@ pub struct FakeGo {
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pub side_live: Mutex<bool>,
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pub refuse: Mutex<Option<serde_json::Value>>,
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pub oai_log: Mutex<Vec<String>>,
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/// Mémoire verrouillée : seal/open répondent 423.
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pub locked: Mutex<bool>,
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/// Adresse d'écoute du faux Go (pour un client `Store` direct).
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pub backend: Mutex<Option<SocketAddr>>,
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}
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impl FakeGo {
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@@ -101,6 +105,29 @@ async fn handle(st: Arc<FakeGo>, req: Request<Incoming>) -> Response<Full<Bytes>
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let key = st.get("state", "web_key").unwrap_or_default();
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resp(200, format!(r#"{{"web_key":"{key}","version":"0.15.0"}}"#))
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}
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"/internal/v1/crypt/seal" | "/internal/v1/crypt/open" => {
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if *st.locked.lock().unwrap() {
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return resp(423, r#"{"error":"mémoire verrouillée"}"#);
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}
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let body = req.into_body().collect().await.unwrap().to_bytes();
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if path.ends_with("seal") {
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let mut out = b"SCELLE:".to_vec();
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out.extend_from_slice(&body);
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resp(200, out)
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} else {
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resp(200, body.strip_prefix(b"SCELLE:").unwrap_or(&body).to_vec())
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}
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}
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"/internal/v1/tool/exec" => {
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let body = req.into_body().collect().await.unwrap().to_bytes();
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let v: serde_json::Value = serde_json::from_slice(&body).unwrap();
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let out = serde_json::json!({
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"label": v["args"]["command"],
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"result": format!("exec:{}", v["name"].as_str().unwrap()),
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"caps_agent": v["caps"]["Agent"],
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});
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resp(200, out.to_string())
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}
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"/internal/v1/oai/route" => {
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let key = st.get("state", "api_key").unwrap_or_default();
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let v = serde_json::json!({
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@@ -188,6 +215,7 @@ pub async fn start(home: std::path::PathBuf) -> (SocketAddr, Arc<FakeGo>, onesho
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let st = Arc::new(FakeGo::default());
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let l = TcpListener::bind("127.0.0.1:0").await.unwrap();
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let backend = l.local_addr().unwrap();
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*st.backend.lock().unwrap() = Some(backend);
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let st2 = st.clone();
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tokio::spawn(async move {
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while let Ok((s, _)) = l.accept().await {
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@@ -0,0 +1,45 @@
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//! Lot 6 : clients Rust des API internes du chat (chiffrement, outils).
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mod common;
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use common::fakego;
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use loki_rs::store::{CryptError, Store};
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async fn store() -> (
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Store,
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std::sync::Arc<fakego::FakeGo>,
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tokio::sync::oneshot::Sender<()>,
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tempfile::TempDir,
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) {
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let t = tempfile::tempdir().unwrap();
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let (_f, go, stop) = fakego::start(t.path().into()).await;
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let backend = go.backend.lock().unwrap().unwrap();
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(Store::new(backend, fakego::JETON.into()), go, stop, t)
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}
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#[tokio::test]
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async fn sceller_ouvrir_et_verrou() {
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let (st, go, _stop, _t) = store().await;
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let sealed = st.seal(b"bonjour".to_vec()).await.unwrap();
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assert_eq!(sealed, b"SCELLE:bonjour");
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assert_eq!(st.open(sealed).await.unwrap(), b"bonjour");
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*go.locked.lock().unwrap() = true;
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assert_eq!(st.seal(b"x".to_vec()).await, Err(CryptError::Locked));
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assert_eq!(st.open(b"x".to_vec()).await, Err(CryptError::Locked));
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}
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#[tokio::test]
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async fn outil_execute_par_le_go() {
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let (st, _go, _stop, _t) = store().await;
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let v = st
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.tool_exec(
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"bash",
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&serde_json::json!({ "command": "ls" }),
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&serde_json::json!({ "Agent": true }),
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)
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.await
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.unwrap();
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assert_eq!(v["result"], "exec:bash");
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assert_eq!(v["label"], "ls");
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assert_eq!(v["caps_agent"], true);
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}
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