| 1 | //! `core/call`: tickets, refusals, approval rules and the real host. |
| 2 | //! |
| 3 | //! The Node-backed tests drive a real host through a real extension tool |
| 4 | //! (`tests/fixtures/extension_host/core-call`) with a stand-in for the turn |
| 5 | //! loop's gate: it serves `NestedCallRequest`s exactly as the engine does and |
| 6 | //! can hold a request the way an approval card does. What the engine itself |
| 7 | //! decides (planning, the card, forced prompts, withdrawal) is tested in |
| 8 | //! `core::engine::approval::tests`. |
| 9 | |
| 10 | use std::path::Path; |
| 11 | use std::sync::Arc; |
| 12 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering}; |
| 13 | use std::time::{Duration, Instant}; |
| 14 | |
| 15 | use async_trait::async_trait; |
| 16 | use codewhale_workflow_js::ToolCallResponse; |
| 17 | use serde_json::{Value, json}; |
| 18 | use tokio::sync::{Notify, mpsc}; |
| 19 | |
| 20 | use super::core_call::{ |
| 21 | EXT_AUTO_ELIGIBLE, MAX_CALLS_PER_INVOCATION, OriginApproval, origin_approval, refusal, |
| 22 | wire_from_response, |
| 23 | }; |
| 24 | use super::protocol::{ContentBlockWire, CoreCallParams, OwnerRef, RpcErrorWire, error_code}; |
| 25 | use super::supervisor::HostRequestContext; |
| 26 | use super::tests::{FixturePlugins, fake_authority, node_for_tests}; |
| 27 | use super::tier::HostTier; |
| 28 | use super::{ExtensionHostManager, ExtensionHostOptions, HostAttachment, SupervisionOptions}; |
| 29 | use crate::plugins::activation::TestPolicyGuard; |
| 30 | use crate::tools::codemode::{ |
| 31 | ExtensionCaller, NestedCallGate, NestedCallRequest, NestedCallVerdict, NestedDecision, |
| 32 | }; |
| 33 | use crate::tools::spec::{ |
| 34 | ApprovalRequirement, ToolCapability, ToolContext, ToolError, ToolResult, ToolSpec, |
| 35 | }; |
| 36 | |
| 37 | // --------------------------------------------------------------------------- |
| 38 | // A stand-in for the turn loop's gate |
| 39 | // --------------------------------------------------------------------------- |
| 40 | |
| 41 | /// What the stand-in gate server saw. It serves the way the engine does: a |
| 42 | /// stale request is dropped unplanned, a held one waits for `release` or its |
| 43 | /// request's withdrawal (an approval card left open), anything else is run |
| 44 | /// exactly as asked. |
| 45 | #[derive(Default)] |
| 46 | struct Server { |
| 47 | asked: AtomicUsize, |
| 48 | stale: AtomicUsize, |
| 49 | withdrawn: AtomicUsize, |
| 50 | hold: AtomicBool, |
| 51 | release: Notify, |
| 52 | } |
| 53 | |
| 54 | fn serve(mut requests: mpsc::Receiver<NestedCallRequest>, server: Arc<Server>) { |
| 55 | tokio::spawn(async move { |
| 56 | while let Some(request) = requests.recv().await { |
| 57 | if request.is_stale() { |
| 58 | server.stale.fetch_add(1, Ordering::SeqCst); |
| 59 | continue; |
| 60 | } |
| 61 | server.asked.fetch_add(1, Ordering::SeqCst); |
| 62 | let held = server.hold.load(Ordering::SeqCst); |
| 63 | if held { |
| 64 | match &request.withdraw { |
| 65 | Some(withdraw) => tokio::select! { |
| 66 | () = server.release.notified() => {} |
| 67 | () = withdraw.cancelled() => { |
| 68 | server.withdrawn.fetch_add(1, Ordering::SeqCst); |
| 69 | continue; |
| 70 | } |
| 71 | }, |
| 72 | None => server.release.notified().await, |
| 73 | } |
| 74 | } |
| 75 | let _ = request.reply.send(NestedCallVerdict::Run { |
| 76 | name: request.name.clone(), |
| 77 | input: request.input.clone(), |
| 78 | supports_parallel: true, |
| 79 | decision: if held { |
| 80 | NestedDecision::Approved |
| 81 | } else { |
| 82 | NestedDecision::Auto |
| 83 | }, |
| 84 | hook_context: None, |
| 85 | }); |
| 86 | } |
| 87 | }); |
| 88 | } |
| 89 | |
| 90 | /// A tool that takes a while and records how many run at once. |
| 91 | struct SlowFixture { |
| 92 | running: AtomicUsize, |
| 93 | peak: AtomicUsize, |
| 94 | } |
| 95 | |
| 96 | #[async_trait] |
| 97 | impl ToolSpec for SlowFixture { |
| 98 | fn name(&self) -> &str { |
| 99 | "slow_fixture" |
| 100 | } |
| 101 | fn description(&self) -> &str { |
| 102 | "slow, read-only" |
| 103 | } |
| 104 | fn input_schema(&self) -> Value { |
| 105 | json!({"type": "object", "properties": {}}) |
| 106 | } |
| 107 | fn capabilities(&self) -> Vec<ToolCapability> { |
| 108 | vec![ToolCapability::ReadOnly] |
| 109 | } |
| 110 | async fn execute( |
| 111 | &self, |
| 112 | _input: Value, |
| 113 | _context: &ToolContext, |
| 114 | ) -> Result<ToolResult, ToolError> { |
| 115 | let now = self.running.fetch_add(1, Ordering::SeqCst) + 1; |
| 116 | self.peak.fetch_max(now, Ordering::SeqCst); |
| 117 | tokio::time::sleep(Duration::from_millis(150)).await; |
| 118 | self.running.fetch_sub(1, Ordering::SeqCst); |
| 119 | Ok(ToolResult::success("slow done")) |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | /// An extension tool the core knows about, for the no-recursion rule. |
| 124 | struct FakeExtensionTool; |
| 125 | |
| 126 | #[async_trait] |
| 127 | impl ToolSpec for FakeExtensionTool { |
| 128 | fn name(&self) -> &str { |
| 129 | "fake_ext" |
| 130 | } |
| 131 | fn description(&self) -> &str { |
| 132 | "an extension tool" |
| 133 | } |
| 134 | fn input_schema(&self) -> Value { |
| 135 | json!({"type": "object"}) |
| 136 | } |
| 137 | fn capabilities(&self) -> Vec<ToolCapability> { |
| 138 | vec![ToolCapability::ExecutesCode] |
| 139 | } |
| 140 | fn extension_caller(&self) -> Option<ExtensionCaller> { |
| 141 | Some(ExtensionCaller { |
| 142 | origin: "extension:fake".to_string(), |
| 143 | tool: "fake_ext".to_string(), |
| 144 | scope: "ext:fake@h".to_string(), |
| 145 | }) |
| 146 | } |
| 147 | async fn execute( |
| 148 | &self, |
| 149 | _input: Value, |
| 150 | _context: &ToolContext, |
| 151 | ) -> Result<ToolResult, ToolError> { |
| 152 | Ok(ToolResult::success("never")) |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | /// One extension tool of the `core-call` fixture, running under the stand-in |
| 157 | /// gate with the file tools (and a slow one) as the tool snapshot its core |
| 158 | /// calls run against. |
| 159 | struct Rig { |
| 160 | _manager: super::TestManagerGuard, |
| 161 | tool: Arc<dyn ToolSpec>, |
| 162 | context: ToolContext, |
| 163 | server: Arc<Server>, |
| 164 | slow: Arc<SlowFixture>, |
| 165 | } |
| 166 | |
| 167 | impl Rig { |
| 168 | fn new(engine: &HostAttachment, workspace: &Path, tool: &str) -> Self { |
| 169 | let manager = super::TestManagerGuard::install(Arc::clone(&engine.manager)); |
| 170 | let slow = Arc::new(SlowFixture { |
| 171 | running: AtomicUsize::new(0), |
| 172 | peak: AtomicUsize::new(0), |
| 173 | }); |
| 174 | let mut registry = crate::tools::registry::ToolRegistryBuilder::new() |
| 175 | .with_file_tools() |
| 176 | .build(ToolContext::new(workspace).with_plugin_registry(engine.plugin_view())); |
| 177 | registry.register(slow.clone()); |
| 178 | engine.install_tools(&mut registry); |
| 179 | let tool = registry.get(tool).expect("the fixture tool is installed"); |
| 180 | let caller = tool.extension_caller().expect("an extension tool"); |
| 181 | let (tx_event, mut rx_event) = mpsc::channel(64); |
| 182 | tokio::spawn(async move { while rx_event.recv().await.is_some() {} }); |
| 183 | let (gate, requests) = NestedCallGate::new(None, tx_event, Duration::from_secs(60)); |
| 184 | let server = Arc::new(Server::default()); |
| 185 | serve(requests, Arc::clone(&server)); |
| 186 | let mut context = ToolContext::new(workspace).with_plugin_registry(engine.plugin_view()); |
| 187 | context.execution.nested_call_gate = Some(gate.for_extension(caller, registry.all())); |
| 188 | Self { |
| 189 | _manager: manager, |
| 190 | tool, |
| 191 | context, |
| 192 | server, |
| 193 | slow, |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | async fn run(&self, input: Value) -> Result<ToolResult, ToolError> { |
| 198 | self.tool.execute(input, &self.context).await |
| 199 | } |
| 200 | |
| 201 | async fn json(&self, input: Value) -> Value { |
| 202 | let result = self.run(input).await.unwrap_or_else(|e| panic!("{e:?}")); |
| 203 | serde_json::from_str(&result.content).expect("the tool answers JSON") |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | async fn started( |
| 208 | node: std::path::PathBuf, |
| 209 | deadline: Option<Duration>, |
| 210 | ) -> (FixturePlugins, Arc<ExtensionHostManager>, HostAttachment) { |
| 211 | let fixture = FixturePlugins::new(&["core-call"]).await; |
| 212 | let manager = Arc::new(ExtensionHostManager::new(ExtensionHostOptions { |
| 213 | runtime: crate::config::ExtensionHostRuntime::Node, |
| 214 | node_override: Some(node), |
| 215 | root: Some(fixture.root.clone()), |
| 216 | supervision: SupervisionOptions { |
| 217 | tool_call_deadline: deadline.unwrap_or(super::tool::TOOL_CALL_DEADLINE), |
| 218 | ..Default::default() |
| 219 | }, |
| 220 | ..Default::default() |
| 221 | })); |
| 222 | let engine = manager.attach(fixture.registry()); |
| 223 | engine.sync().await.unwrap(); |
| 224 | (fixture, manager, engine) |
| 225 | } |
| 226 | |
| 227 | async fn until(what: &str, mut done: impl FnMut() -> bool) { |
| 228 | for _ in 0..300 { |
| 229 | if done() { |
| 230 | return; |
| 231 | } |
| 232 | tokio::time::sleep(Duration::from_millis(10)).await; |
| 233 | } |
| 234 | panic!("timed out waiting for {what}"); |
| 235 | } |
| 236 | |
| 237 | // --------------------------------------------------------------------------- |
| 238 | // Through the real host |
| 239 | // --------------------------------------------------------------------------- |
| 240 | |
| 241 | #[tokio::test] |
| 242 | async fn an_extension_tool_runs_a_core_tool_through_the_gate_and_the_result_records_what_ran() { |
| 243 | let Some(node) = node_for_tests("an_extension_tool_runs_a_core_tool") else { |
| 244 | return; |
| 245 | }; |
| 246 | let _policy = TestPolicyGuard::extension_host(true); |
| 247 | let (fixture, manager, engine) = started(node, None).await; |
| 248 | std::fs::write( |
| 249 | fixture.workspace().join("note.txt"), |
| 250 | "hello from the workspace", |
| 251 | ) |
| 252 | .unwrap(); |
| 253 | let rig = Rig::new(&engine, fixture.workspace(), "cc_call"); |
| 254 | |
| 255 | let result = rig |
| 256 | .run(json!({"name": "read_file", "input": {"path": "note.txt"}})) |
| 257 | .await |
| 258 | .unwrap(); |
| 259 | let answer: Value = serde_json::from_str(&result.content).unwrap(); |
| 260 | assert_eq!(answer["ok"]["isError"], false, "{answer}"); |
| 261 | assert!( |
| 262 | answer["ok"]["content"] |
| 263 | .as_str() |
| 264 | .unwrap() |
| 265 | .contains("hello from the workspace"), |
| 266 | "{answer}" |
| 267 | ); |
| 268 | assert_eq!(rig.server.asked.load(Ordering::SeqCst), 1); |
| 269 | // The persisted record shows what the tool asked the core to run. |
| 270 | let core_calls = &result.metadata.as_ref().unwrap()["core_calls"]; |
| 271 | assert_eq!(core_calls["total"], 1); |
| 272 | assert_eq!(core_calls["calls"][0]["tool"], "read_file"); |
| 273 | assert_eq!(core_calls["calls"][0]["status"], "ok"); |
| 274 | assert_eq!(core_calls["calls"][0]["decision"], "auto"); |
| 275 | // A tool that made none leaves no `core_calls` key. |
| 276 | let probe = Rig::new(&engine, fixture.workspace(), "cc_probe"); |
| 277 | let none = probe.run(json!({})).await.unwrap(); |
| 278 | assert!(none.metadata.as_ref().unwrap().get("core_calls").is_none()); |
| 279 | // The ticket does not outlive the call. |
| 280 | assert_eq!(manager.shared.core_calls.live_tickets(), 0); |
| 281 | manager.shutdown().await; |
| 282 | } |
| 283 | |
| 284 | #[tokio::test] |
| 285 | async fn every_refusal_is_refused_through_the_real_host_before_the_gate_is_asked() { |
| 286 | let Some(node) = node_for_tests("every_refusal_is_refused") else { |
| 287 | return; |
| 288 | }; |
| 289 | let _policy = TestPolicyGuard::extension_host(true); |
| 290 | let (fixture, manager, engine) = started(node, None).await; |
| 291 | let rig = Rig::new(&engine, fixture.workspace(), "cc_call"); |
| 292 | let names = [ |
| 293 | // Code mode's own, in the spellings the model could try. |
| 294 | "execute_tools", |
| 295 | "EXECUTE_TOOLS", |
| 296 | "code_execution", |
| 297 | "js_execution", |
| 298 | "agent", |
| 299 | "Agent", |
| 300 | "workflow", |
| 301 | "rlm", |
| 302 | "request_user_input", |
| 303 | "multi_tool_use.parallel", |
| 304 | // MCP, Computer Use included. |
| 305 | "mcp_demo_tool", |
| 306 | "MCP_Demo_Tool", |
| 307 | "mcp_computer_computer_register", |
| 308 | "list_mcp_resources", |
| 309 | "read_mcp_resource", |
| 310 | // Discovery and retrieval. |
| 311 | "tool_search", |
| 312 | "Tool_Search_Tool_BM25", |
| 313 | "tool_search_tool_regex", |
| 314 | "retrieve_tool_result", |
| 315 | // The memory writer and what changes the session's permissions. |
| 316 | "remember", |
| 317 | "REMEMBER", |
| 318 | "request_plugin_install", |
| 319 | "create_goal", |
| 320 | "update_goal", |
| 321 | "automation", |
| 322 | "automation_create", |
| 323 | "send_later", |
| 324 | "start_mcp_server", |
| 325 | "start_registry_mcp_server", |
| 326 | // Extension tools, this one's own included. |
| 327 | "cc_call", |
| 328 | "CC_CALL", |
| 329 | "cc_many", |
| 330 | ]; |
| 331 | for name in names { |
| 332 | let answer = rig.json(json!({"name": name, "input": {}})).await; |
| 333 | assert_eq!( |
| 334 | answer["failed"]["code"], "refused", |
| 335 | "{name} must be refused: {answer}" |
| 336 | ); |
| 337 | } |
| 338 | // An interactive shell and a sandbox escalation, whatever the tool. |
| 339 | for (name, input) in [ |
| 340 | ("bash", json!({"command": "ls", "interactive": true})), |
| 341 | ( |
| 342 | "read_file", |
| 343 | json!({"path": "x", "sandbox_permissions": "danger"}), |
| 344 | ), |
| 345 | ] { |
| 346 | let answer = rig.json(json!({"name": name, "input": input})).await; |
| 347 | assert_eq!(answer["failed"]["code"], "refused", "{name}: {answer}"); |
| 348 | } |
| 349 | assert_eq!( |
| 350 | rig.server.asked.load(Ordering::SeqCst), |
| 351 | 0, |
| 352 | "no refused call reached planning" |
| 353 | ); |
| 354 | manager.shutdown().await; |
| 355 | } |
| 356 | |
| 357 | #[tokio::test] |
| 358 | async fn without_the_turn_loops_gate_for_this_tool_there_is_no_ticket_and_no_core() { |
| 359 | let Some(node) = node_for_tests("without_the_turn_loops_gate") else { |
| 360 | return; |
| 361 | }; |
| 362 | let _policy = TestPolicyGuard::extension_host(true); |
| 363 | let (fixture, manager, engine) = started(node, None).await; |
| 364 | let rig = Rig::new(&engine, fixture.workspace(), "cc_call"); |
| 365 | let input = json!({"name": "read_file", "input": {"path": "x"}}); |
| 366 | |
| 367 | // No gate at all: a sub-agent, a test, a call nested in `execute_tools`. |
| 368 | let bare = ToolContext::new(fixture.workspace()).with_plugin_registry(engine.plugin_view()); |
| 369 | let answer: Value = serde_json::from_str( |
| 370 | &rig.tool |
| 371 | .execute(input.clone(), &bare) |
| 372 | .await |
| 373 | .unwrap() |
| 374 | .content, |
| 375 | ) |
| 376 | .unwrap(); |
| 377 | assert_eq!(answer, json!({"noCore": true})); |
| 378 | |
| 379 | // A gate that is not an extension's (an `execute_tools` program's). |
| 380 | let mut program = |
| 381 | ToolContext::new(fixture.workspace()).with_plugin_registry(engine.plugin_view()); |
| 382 | program.execution.nested_call_gate = Some(NestedCallGate::admitting_for_test()); |
| 383 | let answer: Value = serde_json::from_str( |
| 384 | &rig.tool |
| 385 | .execute(input.clone(), &program) |
| 386 | .await |
| 387 | .unwrap() |
| 388 | .content, |
| 389 | ) |
| 390 | .unwrap(); |
| 391 | assert_eq!(answer, json!({"noCore": true})); |
| 392 | |
| 393 | // An extension gate served for another tool's call. |
| 394 | let (tx_event, mut rx_event) = mpsc::channel(8); |
| 395 | tokio::spawn(async move { while rx_event.recv().await.is_some() {} }); |
| 396 | let (gate, requests) = NestedCallGate::new(None, tx_event, Duration::from_secs(60)); |
| 397 | let server = Arc::new(Server::default()); |
| 398 | serve(requests, Arc::clone(&server)); |
| 399 | let mut other = |
| 400 | ToolContext::new(fixture.workspace()).with_plugin_registry(engine.plugin_view()); |
| 401 | other.execution.nested_call_gate = Some(gate.for_extension( |
| 402 | ExtensionCaller { |
| 403 | origin: "extension:other".to_string(), |
| 404 | tool: "other_tool".to_string(), |
| 405 | scope: "ext:other@h".to_string(), |
| 406 | }, |
| 407 | Vec::new(), |
| 408 | )); |
| 409 | let answer: Value = |
| 410 | serde_json::from_str(&rig.tool.execute(input, &other).await.unwrap().content).unwrap(); |
| 411 | assert_eq!(answer, json!({"noCore": true})); |
| 412 | assert_eq!(server.asked.load(Ordering::SeqCst), 0); |
| 413 | |
| 414 | // A command invocation never has `core`. |
| 415 | let reference = manager |
| 416 | .commands_for_plugins(&engine.plugin_view()) |
| 417 | .into_iter() |
| 418 | .find(|entry| entry.registration.name == "cc-probe") |
| 419 | .expect("the command is live") |
| 420 | .reference(); |
| 421 | match super::command::run(&manager.shared, &reference, "", None).await { |
| 422 | Ok(super::command::CommandOutcome::Show { text }) => { |
| 423 | let probe: Value = serde_json::from_str(&text).unwrap(); |
| 424 | assert_eq!(probe["hasCore"], false, "{text}"); |
| 425 | } |
| 426 | other => panic!("{other:?}"), |
| 427 | } |
| 428 | manager.shutdown().await; |
| 429 | } |
| 430 | |
| 431 | #[tokio::test] |
| 432 | async fn a_core_call_waiting_on_a_person_pauses_the_tool_call_deadline() { |
| 433 | let Some(node) = node_for_tests("a_core_call_waiting_on_a_person") else { |
| 434 | return; |
| 435 | }; |
| 436 | let _policy = TestPolicyGuard::extension_host(true); |
| 437 | let (fixture, manager, engine) = started(node, Some(Duration::from_secs(1))).await; |
| 438 | std::fs::write(fixture.workspace().join("note.txt"), "slow approval").unwrap(); |
| 439 | let rig = Rig::new(&engine, fixture.workspace(), "cc_call"); |
| 440 | rig.server.hold.store(true, Ordering::SeqCst); |
| 441 | |
| 442 | // The approval takes 2.5 s: longer than the tool's whole 1 s deadline. |
| 443 | let started_at = Instant::now(); |
| 444 | let release = async { |
| 445 | tokio::time::sleep(Duration::from_millis(2500)).await; |
| 446 | rig.server.release.notify_one(); |
| 447 | }; |
| 448 | let (result, ()) = tokio::join!( |
| 449 | rig.run(json!({"name": "read_file", "input": {"path": "note.txt"}})), |
| 450 | release |
| 451 | ); |
| 452 | let answer: Value = |
| 453 | serde_json::from_str(&result.as_ref().expect("the call is not timed out").content).unwrap(); |
| 454 | assert_eq!(answer["ok"]["isError"], false, "{answer}"); |
| 455 | assert!(started_at.elapsed() >= Duration::from_millis(2400)); |
| 456 | assert_eq!( |
| 457 | result.as_ref().unwrap().metadata.as_ref().unwrap()["core_calls"]["calls"][0]["decision"], |
| 458 | "approved", |
| 459 | "the receipt records that a person allowed it" |
| 460 | ); |
| 461 | |
| 462 | // The deadline still holds when nothing is paused. |
| 463 | rig.server.hold.store(false, Ordering::SeqCst); |
| 464 | let slow = Rig::new(&engine, fixture.workspace(), "cc_then_sleep"); |
| 465 | let error = slow |
| 466 | .run(json!({"name": "read_file", "input": {"path": "note.txt"}, "ms": 5000})) |
| 467 | .await |
| 468 | .unwrap_err(); |
| 469 | assert!(matches!(error, ToolError::Timeout { .. }), "{error:?}"); |
| 470 | manager.shutdown().await; |
| 471 | } |
| 472 | |
| 473 | #[tokio::test] |
| 474 | async fn cancel_revoke_and_host_exit_withdraw_a_pending_core_call() { |
| 475 | let Some(node) = node_for_tests("cancel_revoke_and_host_exit") else { |
| 476 | return; |
| 477 | }; |
| 478 | let _policy = TestPolicyGuard::extension_host(true); |
| 479 | let (fixture, manager, engine) = started(node, None).await; |
| 480 | let call = json!({"name": "read_file", "input": {"path": "x"}}); |
| 481 | |
| 482 | // The turn is cancelled (the tool call's future is dropped) while a card |
| 483 | // is open: the server's wait for the person is withdrawn. |
| 484 | let rig = Rig::new(&engine, fixture.workspace(), "cc_call"); |
| 485 | rig.server.hold.store(true, Ordering::SeqCst); |
| 486 | let wait = tokio::time::timeout(Duration::from_millis(500), rig.run(call.clone())).await; |
| 487 | assert!(wait.is_err(), "the call is still waiting on the card"); |
| 488 | assert_eq!(rig.server.asked.load(Ordering::SeqCst), 1); |
| 489 | until("the withdrawal", || { |
| 490 | rig.server.withdrawn.load(Ordering::SeqCst) == 1 |
| 491 | }) |
| 492 | .await; |
| 493 | assert_eq!(manager.shared.core_calls.live_tickets(), 0); |
| 494 | |
| 495 | // The plugin is disabled while a card is open: the owner's revocation |
| 496 | // withdraws it, and the call fails cancelled. |
| 497 | let rig = Rig::new(&engine, fixture.workspace(), "cc_call"); |
| 498 | rig.server.hold.store(true, Ordering::SeqCst); |
| 499 | let disable = async { |
| 500 | until("the card to open", || { |
| 501 | rig.server.asked.load(Ordering::SeqCst) == 1 |
| 502 | }) |
| 503 | .await; |
| 504 | engine.set_plugins(fixture.disable("core-call")); |
| 505 | engine.sync().await.unwrap(); |
| 506 | }; |
| 507 | let (result, ()) = tokio::join!(rig.run(call.clone()), disable); |
| 508 | assert!(result.is_err(), "a revoked tool's call fails: {result:?}"); |
| 509 | until("the withdrawal", || { |
| 510 | rig.server.withdrawn.load(Ordering::SeqCst) == 1 |
| 511 | }) |
| 512 | .await; |
| 513 | assert_eq!(manager.shared.core_calls.live_tickets(), 0); |
| 514 | |
| 515 | // The host exits while a card is open (the plugin is enabled again first). |
| 516 | crate::plugins::discovery::discover_with_config(&fixture.config) |
| 517 | .enable("core-call") |
| 518 | .unwrap(); |
| 519 | engine.set_plugins(fixture.registry()); |
| 520 | engine.sync().await.unwrap(); |
| 521 | let rig = Rig::new(&engine, fixture.workspace(), "cc_call"); |
| 522 | rig.server.hold.store(true, Ordering::SeqCst); |
| 523 | let pid = manager.host_pid().expect("a running host"); |
| 524 | let kill = async { |
| 525 | until("the card to open", || { |
| 526 | rig.server.asked.load(Ordering::SeqCst) == 1 |
| 527 | }) |
| 528 | .await; |
| 529 | #[cfg(unix)] |
| 530 | let status = std::process::Command::new("kill") |
| 531 | .args(["-9", &pid.to_string()]) |
| 532 | .status() |
| 533 | .unwrap(); |
| 534 | #[cfg(windows)] |
| 535 | let status = std::process::Command::new("taskkill") |
| 536 | .args(["/F", "/PID", &pid.to_string()]) |
| 537 | .status() |
| 538 | .unwrap(); |
| 539 | assert!(status.success()); |
| 540 | }; |
| 541 | let (result, ()) = tokio::join!(rig.run(call), kill); |
| 542 | assert!(result.is_err(), "a killed host fails the call: {result:?}"); |
| 543 | until("the withdrawal", || { |
| 544 | rig.server.withdrawn.load(Ordering::SeqCst) == 1 |
| 545 | }) |
| 546 | .await; |
| 547 | assert_eq!(manager.shared.core_calls.live_tickets(), 0); |
| 548 | manager.shutdown().await; |
| 549 | } |
| 550 | |
| 551 | #[tokio::test] |
| 552 | async fn an_invocation_has_at_most_fifty_core_calls_and_four_at_once() { |
| 553 | let Some(node) = node_for_tests("an_invocation_has_at_most_fifty") else { |
| 554 | return; |
| 555 | }; |
| 556 | let _policy = TestPolicyGuard::extension_host(true); |
| 557 | let (fixture, manager, engine) = started(node, None).await; |
| 558 | std::fs::write(fixture.workspace().join("note.txt"), "n").unwrap(); |
| 559 | |
| 560 | // 52 calls in a row: the first 50 run, the last two are refused. |
| 561 | let rig = Rig::new(&engine, fixture.workspace(), "cc_many"); |
| 562 | let answer = rig |
| 563 | .json(json!({"name": "read_file", "input": {"path": "note.txt"}, "count": 52})) |
| 564 | .await; |
| 565 | let outcomes = answer["outcomes"].as_array().unwrap(); |
| 566 | assert_eq!(outcomes.len(), 52); |
| 567 | assert!( |
| 568 | outcomes[..MAX_CALLS_PER_INVOCATION as usize] |
| 569 | .iter() |
| 570 | .all(|outcome| outcome["ok"]["isError"] == false) |
| 571 | ); |
| 572 | for outcome in &outcomes[MAX_CALLS_PER_INVOCATION as usize..] { |
| 573 | assert_eq!(outcome["failed"]["code"], "refused", "{outcome}"); |
| 574 | assert!( |
| 575 | outcome["failed"]["message"] |
| 576 | .as_str() |
| 577 | .unwrap() |
| 578 | .contains("limit"), |
| 579 | "{outcome}" |
| 580 | ); |
| 581 | } |
| 582 | assert_eq!(rig.server.asked.load(Ordering::SeqCst), 50); |
| 583 | |
| 584 | // Eight at once of a tool that takes a while: all run, never more than four together. |
| 585 | let rig = Rig::new(&engine, fixture.workspace(), "cc_many"); |
| 586 | let answer = rig |
| 587 | .json(json!({"name": "slow_fixture", "input": {}, "count": 8, "parallel": true})) |
| 588 | .await; |
| 589 | assert_eq!(answer["outcomes"].as_array().unwrap().len(), 8); |
| 590 | assert!( |
| 591 | answer["outcomes"] |
| 592 | .as_array() |
| 593 | .unwrap() |
| 594 | .iter() |
| 595 | .all(|outcome| outcome["ok"]["isError"] == false) |
| 596 | ); |
| 597 | let peak = rig.slow.peak.load(Ordering::SeqCst); |
| 598 | assert!((2..=4).contains(&peak), "peak concurrency {peak}"); |
| 599 | manager.shutdown().await; |
| 600 | } |
| 601 | |
| 602 | // --------------------------------------------------------------------------- |
| 603 | // Tickets presented to the core (no host process) |
| 604 | // --------------------------------------------------------------------------- |
| 605 | |
| 606 | struct Fixture { |
| 607 | manager: ExtensionHostManager, |
| 608 | owner: OwnerRef, |
| 609 | other: OwnerRef, |
| 610 | context: ToolContext, |
| 611 | gate: NestedCallGate, |
| 612 | } |
| 613 | |
| 614 | fn fixture(uses_server: bool) -> Fixture { |
| 615 | let manager = ExtensionHostManager::new(ExtensionHostOptions::default()); |
| 616 | let mut registry = manager.shared.registry.lock().unwrap(); |
| 617 | let begin = |registry: &mut super::registry::OwnerRegistry, id: &str| { |
| 618 | let owner = registry |
| 619 | .begin_owner(HostTier::Plugin, id, id, Some(fake_authority(id)), "hash") |
| 620 | .unwrap(); |
| 621 | registry.mark_active(&owner); |
| 622 | owner |
| 623 | }; |
| 624 | let owner = begin(&mut registry, "a"); |
| 625 | let other = begin(&mut registry, "b"); |
| 626 | drop(registry); |
| 627 | let dir = tempfile::tempdir().unwrap(); |
| 628 | let workspace = dir.path().to_path_buf(); |
| 629 | std::mem::forget(dir); |
| 630 | std::fs::write(workspace.join("x"), "x").unwrap(); |
| 631 | let specs = crate::tools::registry::ToolRegistryBuilder::new() |
| 632 | .with_file_tools() |
| 633 | .build(ToolContext::new(&workspace)) |
| 634 | .all(); |
| 635 | let (tx_event, mut rx_event) = mpsc::channel(8); |
| 636 | tokio::spawn(async move { while rx_event.recv().await.is_some() {} }); |
| 637 | let (gate, requests) = NestedCallGate::new(None, tx_event, Duration::from_secs(60)); |
| 638 | if uses_server { |
| 639 | serve(requests, Arc::new(Server::default())); |
| 640 | } |
| 641 | Fixture { |
| 642 | manager, |
| 643 | owner, |
| 644 | other, |
| 645 | context: ToolContext::new(&workspace), |
| 646 | gate: gate.for_extension( |
| 647 | ExtensionCaller { |
| 648 | origin: "extension:a".to_string(), |
| 649 | tool: "a_tool".to_string(), |
| 650 | scope: "ext:a@hash".to_string(), |
| 651 | }, |
| 652 | specs, |
| 653 | ), |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | impl Fixture { |
| 658 | fn caller(&self) -> ExtensionCaller { |
| 659 | self.gate.extension().unwrap().0.clone() |
| 660 | } |
| 661 | |
| 662 | fn begin(&self, generation: u64, owner: &OwnerRef) -> super::core_call::InvocationGuard { |
| 663 | self.manager |
| 664 | .shared |
| 665 | .core_calls |
| 666 | .begin( |
| 667 | HostTier::Plugin, |
| 668 | generation, |
| 669 | owner, |
| 670 | "call-1", |
| 671 | &self.caller(), |
| 672 | &self.context, |
| 673 | &self.gate, |
| 674 | ) |
| 675 | .expect("an invocation") |
| 676 | } |
| 677 | |
| 678 | async fn serve( |
| 679 | &self, |
| 680 | tier: HostTier, |
| 681 | generation: u64, |
| 682 | owner: &OwnerRef, |
| 683 | ticket: &str, |
| 684 | ) -> (Result<Value, RpcErrorWire>, Vec<String>) { |
| 685 | let (cx, mut violations, _cancel) = HostRequestContext::for_test(1); |
| 686 | let result = self |
| 687 | .manager |
| 688 | .shared |
| 689 | .core_calls |
| 690 | .serve( |
| 691 | &self.manager.shared, |
| 692 | tier, |
| 693 | generation, |
| 694 | CoreCallParams { |
| 695 | owner: owner.clone(), |
| 696 | ticket: ticket.to_string(), |
| 697 | name: "read_file".to_string(), |
| 698 | input: json!({"path": "x"}), |
| 699 | }, |
| 700 | cx, |
| 701 | ) |
| 702 | .await; |
| 703 | let mut seen = Vec::new(); |
| 704 | while let Ok(violation) = violations.try_recv() { |
| 705 | seen.push(violation); |
| 706 | } |
| 707 | (result, seen) |
| 708 | } |
| 709 | } |
| 710 | |
| 711 | fn refused(result: &Result<Value, RpcErrorWire>) -> bool { |
| 712 | matches!(result, Err(error) if error.code == error_code::REFUSED) |
| 713 | } |
| 714 | |
| 715 | #[tokio::test] |
| 716 | async fn a_spoofed_ticket_is_refused_whoever_presents_it_and_a_burst_ends_the_host() { |
| 717 | let f = fixture(true); |
| 718 | let guard = f.begin(7, &f.owner); |
| 719 | let ticket = guard.ticket().to_string(); |
| 720 | |
| 721 | // The honest presentation works. |
| 722 | let (ok, violations) = f.serve(HostTier::Plugin, 7, &f.owner, &ticket).await; |
| 723 | assert!(ok.is_ok(), "{ok:?}"); |
| 724 | assert!(violations.is_empty()); |
| 725 | |
| 726 | // Another plugin in the same host presents it: wrong owner. |
| 727 | let (result, _) = f.serve(HostTier::Plugin, 7, &f.other, &ticket).await; |
| 728 | assert!(refused(&result), "{result:?}"); |
| 729 | // The right plugin with another activation's token. |
| 730 | let stale_owner = OwnerRef { |
| 731 | owner_token: "0".repeat(32), |
| 732 | ..f.owner.clone() |
| 733 | }; |
| 734 | let (result, _) = f.serve(HostTier::Plugin, 7, &stale_owner, &ticket).await; |
| 735 | assert!(refused(&result), "{result:?}"); |
| 736 | // From the other tier's host. |
| 737 | let (result, _) = f.serve(HostTier::Builtin, 7, &f.owner, &ticket).await; |
| 738 | assert!(refused(&result), "{result:?}"); |
| 739 | // After a host generation bump (a restarted host). |
| 740 | let (result, _) = f.serve(HostTier::Plugin, 8, &f.owner, &ticket).await; |
| 741 | assert!(refused(&result), "{result:?}"); |
| 742 | // A made-up ticket. |
| 743 | let (result, _) = f.serve(HostTier::Plugin, 7, &f.owner, "cwt.guess").await; |
| 744 | assert!(refused(&result), "{result:?}"); |
| 745 | // The refusal says nothing about which field mismatched, and never the ticket. |
| 746 | let message = &result.as_ref().unwrap_err().message; |
| 747 | assert!(!message.contains("cwt."), "{message}"); |
| 748 | |
| 749 | // The ticket is still good for its owner afterwards. |
| 750 | let (ok, _) = f.serve(HostTier::Plugin, 7, &f.owner, &ticket).await; |
| 751 | assert!(ok.is_ok(), "{ok:?}"); |
| 752 | |
| 753 | // Eight invalid presentations are a burst: the host is ended, once it is. |
| 754 | let (_, violations) = f.serve(HostTier::Plugin, 7, &f.other, &ticket).await; |
| 755 | assert!(violations.is_empty(), "{violations:?}"); |
| 756 | let mut ended = Vec::new(); |
| 757 | for _ in 0..8 { |
| 758 | let (_, violations) = f.serve(HostTier::Plugin, 7, &f.other, "cwt.guess").await; |
| 759 | ended.extend(violations); |
| 760 | } |
| 761 | assert!( |
| 762 | ended |
| 763 | .iter() |
| 764 | .any(|reason| reason |
| 765 | .starts_with("protocol violation: too many invalid core/call tickets")), |
| 766 | "{ended:?}" |
| 767 | ); |
| 768 | |
| 769 | // The ticket dies with its host, its owner and its invocation. |
| 770 | f.manager.shared.core_calls.revoke_host(HostTier::Plugin, 7); |
| 771 | let (result, _) = f.serve(HostTier::Plugin, 7, &f.owner, &ticket).await; |
| 772 | assert!(refused(&result), "after the host exited: {result:?}"); |
| 773 | let guard = f.begin(7, &f.owner); |
| 774 | let second = guard.ticket().to_string(); |
| 775 | f.manager.shared.core_calls.revoke_owner("a"); |
| 776 | let (result, _) = f.serve(HostTier::Plugin, 7, &f.owner, &second).await; |
| 777 | assert!(refused(&result), "after the owner was revoked: {result:?}"); |
| 778 | let guard = f.begin(7, &f.owner); |
| 779 | let third = guard.ticket().to_string(); |
| 780 | drop(guard); |
| 781 | let (result, _) = f.serve(HostTier::Plugin, 7, &f.owner, &third).await; |
| 782 | assert!(refused(&result), "after the invocation ended: {result:?}"); |
| 783 | assert_eq!(f.manager.shared.core_calls.live_tickets(), 0); |
| 784 | } |
| 785 | |
| 786 | #[tokio::test] |
| 787 | async fn a_ticket_for_a_revoked_owner_is_refused_even_if_it_was_never_revoked() { |
| 788 | let f = fixture(true); |
| 789 | let guard = f.begin(7, &f.owner); |
| 790 | // The owner is replaced by a new activation: its token changes, so the |
| 791 | // old one the host still holds no longer names the current owner. |
| 792 | let ticket = guard.ticket().to_string(); |
| 793 | f.manager.shared.registry.lock().unwrap().revoke_owner("a"); |
| 794 | let (result, _) = f.serve(HostTier::Plugin, 7, &f.owner, &ticket).await; |
| 795 | assert!(refused(&result), "{result:?}"); |
| 796 | } |
| 797 | |
| 798 | #[test] |
| 799 | fn the_wire_result_is_the_tools_text_and_json_and_says_when_it_was_cut() { |
| 800 | let text = |wire: &super::protocol::ToolResultWire| match &wire.content[..] { |
| 801 | [ContentBlockWire::Text { text }] => text.clone(), |
| 802 | other => panic!("{other:?}"), |
| 803 | }; |
| 804 | let ok = wire_from_response(ToolCallResponse { |
| 805 | ok: true, |
| 806 | result: json!({"content": "plain", "metadata": null, "truncated": null}), |
| 807 | }); |
| 808 | assert_eq!( |
| 809 | (text(&ok).as_str(), ok.is_error, &ok.structured), |
| 810 | ("plain", false, &None) |
| 811 | ); |
| 812 | let json_content = wire_from_response(ToolCallResponse { |
| 813 | ok: true, |
| 814 | result: json!({"content": {"a": 1}, "metadata": null, "truncated": null}), |
| 815 | }); |
| 816 | assert_eq!(text(&json_content), r#"{"a":1}"#); |
| 817 | assert_eq!(json_content.structured, Some(json!({"a": 1}))); |
| 818 | let cut = wire_from_response(ToolCallResponse { |
| 819 | ok: true, |
| 820 | result: json!({"content": "head", "metadata": null, |
| 821 | "truncated": {"original_bytes": 9000, "kept_bytes": 4, "spill_path": "/secret/path"}}), |
| 822 | }); |
| 823 | let cut_text = text(&cut); |
| 824 | assert!( |
| 825 | cut_text.contains("9000 bytes") && cut_text.contains("first 4"), |
| 826 | "{cut_text}" |
| 827 | ); |
| 828 | assert!( |
| 829 | !cut_text.contains("/secret/path"), |
| 830 | "no local path reaches the host" |
| 831 | ); |
| 832 | let failed = wire_from_response(ToolCallResponse { |
| 833 | ok: false, |
| 834 | result: json!("tool failed"), |
| 835 | }); |
| 836 | assert_eq!( |
| 837 | (text(&failed).as_str(), failed.is_error), |
| 838 | ("tool failed", true) |
| 839 | ); |
| 840 | } |
| 841 | |
| 842 | // --------------------------------------------------------------------------- |
| 843 | // Policy |
| 844 | // --------------------------------------------------------------------------- |
| 845 | |
| 846 | #[test] |
| 847 | fn the_refusal_list_is_case_insensitive_covers_aliases_and_spares_ordinary_tools() { |
| 848 | let specs: Vec<Arc<dyn ToolSpec>> = vec![Arc::new(FakeExtensionTool)]; |
| 849 | let empty = json!({}); |
| 850 | for name in [ |
| 851 | "execute_tools", |
| 852 | "Execute_Tools", |
| 853 | "EXECUTE_TOOLS", |
| 854 | "agent", |
| 855 | "AGENT", |
| 856 | "mcp_a_b", |
| 857 | "MCP_A_B", |
| 858 | "tool_search", |
| 859 | "TOOL_SEARCH_TOOL_BM25", |
| 860 | "retrieve_tool_result", |
| 861 | "Remember", |
| 862 | "create_goal", |
| 863 | "automation_create", |
| 864 | "AUTOMATION", |
| 865 | "request_plugin_install", |
| 866 | "fake_ext", |
| 867 | "FAKE_EXT", |
| 868 | ] { |
| 869 | assert!(refusal(&specs, name, &empty).is_some(), "{name}"); |
| 870 | } |
| 871 | assert!(refusal(&specs, "bash", &json!({"interactive": true})).is_some()); |
| 872 | assert!(refusal(&specs, "read_file", &json!({"sandbox_permissions": "x"})).is_some()); |
| 873 | // Ordinary tools are not refused here: they are planned, and prompt. |
| 874 | for name in [ |
| 875 | "read_file", |
| 876 | "read", |
| 877 | "write_file", |
| 878 | "bash", |
| 879 | "web_search", |
| 880 | "fetch_url", |
| 881 | "list_dir", |
| 882 | ] { |
| 883 | assert_eq!(refusal(&specs, name, &empty), None, "{name}"); |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | #[test] |
| 888 | fn the_auto_table_is_registered_read_only_tools_and_shell_and_network_force_a_prompt() { |
| 889 | // Every row is a real, read-only, auto-approved tool. |
| 890 | let registry = crate::tools::registry::ToolRegistryBuilder::new() |
| 891 | .with_file_tools() |
| 892 | .with_search_tools() |
| 893 | .build(ToolContext::new(Path::new("/w"))); |
| 894 | for name in EXT_AUTO_ELIGIBLE { |
| 895 | let spec = registry |
| 896 | .get(name) |
| 897 | .unwrap_or_else(|| panic!("{name} is not a registered tool")); |
| 898 | assert!(spec.is_read_only(), "{name}"); |
| 899 | assert_eq!( |
| 900 | spec.approval_requirement(), |
| 901 | ApprovalRequirement::Auto, |
| 902 | "{name}" |
| 903 | ); |
| 904 | } |
| 905 | |
| 906 | let input = json!({}); |
| 907 | for name in EXT_AUTO_ELIGIBLE { |
| 908 | // Planning found nothing that asks: unchanged. If it did ask, still asks. |
| 909 | assert_eq!( |
| 910 | origin_approval(name, &input, false, None), |
| 911 | OriginApproval::Unchanged, |
| 912 | "{name}" |
| 913 | ); |
| 914 | assert_eq!( |
| 915 | origin_approval(name, &input, true, None), |
| 916 | OriginApproval::Prompt, |
| 917 | "{name}" |
| 918 | ); |
| 919 | } |
| 920 | // Anything else needs approval even where the model's call would not. |
| 921 | for name in [ |
| 922 | "write_file", |
| 923 | "edit_file", |
| 924 | "apply_patch", |
| 925 | "todo_write", |
| 926 | "notify", |
| 927 | "tui_help", |
| 928 | ] { |
| 929 | assert_eq!( |
| 930 | origin_approval(name, &input, false, None), |
| 931 | OriginApproval::Prompt, |
| 932 | "{name}" |
| 933 | ); |
| 934 | } |
| 935 | // Shell and network force a prompt, in every spelling. |
| 936 | for name in [ |
| 937 | "bash", |
| 938 | "Bash", |
| 939 | "BASH", |
| 940 | "exec_shell", |
| 941 | "task_shell_start", |
| 942 | "web_search", |
| 943 | "fetch_url", |
| 944 | "web.run", |
| 945 | "WEB.RUN", |
| 946 | "git_fetch", |
| 947 | "run_tests", |
| 948 | "verify", |
| 949 | "finance", |
| 950 | ] { |
| 951 | assert_eq!( |
| 952 | origin_approval(name, &input, false, None), |
| 953 | OriginApproval::ForcePrompt, |
| 954 | "{name}" |
| 955 | ); |
| 956 | assert_eq!( |
| 957 | origin_approval(name, &input, true, None), |
| 958 | OriginApproval::ForcePrompt, |
| 959 | "{name}" |
| 960 | ); |
| 961 | } |
| 962 | } |
| 963 | |
| 964 | #[test] |
| 965 | fn action_families_and_registered_process_or_network_tools_always_force_a_prompt() { |
| 966 | let registry = crate::tools::registry::ToolRegistryBuilder::new() |
| 967 | .with_file_tools() |
| 968 | .with_git_tools() |
| 969 | .with_test_runner_tool() |
| 970 | .with_runtime_task_tools() |
| 971 | .with_web_tools() |
| 972 | .build(ToolContext::new(Path::new("/w"))); |
| 973 | for (name, action) in [ |
| 974 | ("Git", "fetch"), |
| 975 | ("Run", "tests"), |
| 976 | ("Web", "search"), |
| 977 | ("Web", "fetch"), |
| 978 | ("tasks", "gate_run"), |
| 979 | ("github", "issue_context"), |
| 980 | ] { |
| 981 | let input = json!({"action": action}); |
| 982 | let spec = registry.get(name).expect("registered family"); |
| 983 | for spelling in [ |
| 984 | name.to_string(), |
| 985 | name.to_ascii_lowercase(), |
| 986 | name.to_ascii_uppercase(), |
| 987 | ] { |
| 988 | assert_eq!( |
| 989 | origin_approval(&spelling, &input, false, Some(spec.as_ref())), |
| 990 | OriginApproval::ForcePrompt, |
| 991 | "{spelling}/{action} must prompt even under Full Access or a grant" |
| 992 | ); |
| 993 | } |
| 994 | } |
| 995 | // Resolve family semantics even for core meta-tools without a registry spec. |
| 996 | for (name, action) in [("gIt", "fetch"), ("rUn", "tests"), ("wEb", "search")] { |
| 997 | assert_eq!( |
| 998 | origin_approval(name, &json!({"action": action}), false, None), |
| 999 | OriginApproval::ForcePrompt, |
| 1000 | "{name}/{action}" |
| 1001 | ); |
| 1002 | } |
| 1003 | // The same family preserves safe workspace reads. |
| 1004 | let file = registry.get("File").expect("registered File family"); |
| 1005 | assert_eq!( |
| 1006 | origin_approval( |
| 1007 | "File", |
| 1008 | &json!({"action": "read", "path": "note.txt"}), |
| 1009 | false, |
| 1010 | Some(file.as_ref()) |
| 1011 | ), |
| 1012 | OriginApproval::Unchanged |
| 1013 | ); |
| 1014 | } |
| 1015 | |
| 1016 | /// How each existing approval posture resolves what an extension's call needs |
| 1017 | /// (the table in `docs/EXTENSIONS.md`): forced extension calls ask in both |
| 1018 | /// Ask and Full Access; Auto-Review and Never refuse them. Full Access |
| 1019 | /// auto-approves ordinary extension calls as it does for the model. |
| 1020 | #[test] |
| 1021 | fn extension_calls_resolve_against_every_posture_as_documented() { |
| 1022 | use crate::core::authority::{ |
| 1023 | ApprovalRequestDisposition as D, TurnAuthority, resolve_approval_request_disposition, |
| 1024 | }; |
| 1025 | use codewhale_config::AppMode; |
| 1026 | use codewhale_execpolicy::ApprovalMode; |
| 1027 | |
| 1028 | let authority = |auto_approve: bool, mode: ApprovalMode| { |
| 1029 | TurnAuthority::from_effective_fields(AppMode::Agent, true, false, auto_approve, mode) |
| 1030 | }; |
| 1031 | let input = json!({}); |
| 1032 | // (posture, session grant held for exactly this extension's call) |
| 1033 | let ask = authority(false, ApprovalMode::Suggest); |
| 1034 | let full = authority(true, ApprovalMode::Bypass); |
| 1035 | let auto_review = authority(false, ApprovalMode::Auto); |
| 1036 | let never = authority(false, ApprovalMode::Never); |
| 1037 | |
| 1038 | let resolve = |authority: &TurnAuthority, name: &str, granted: bool| { |
| 1039 | let approval = origin_approval(name, &input, false, None); |
| 1040 | match approval { |
| 1041 | OriginApproval::Unchanged => None, |
| 1042 | OriginApproval::Prompt => Some(resolve_approval_request_disposition( |
| 1043 | authority, granted, false, false, true, |
| 1044 | )), |
| 1045 | OriginApproval::ForcePrompt => Some(resolve_approval_request_disposition( |
| 1046 | authority, granted, false, true, true, |
| 1047 | )), |
| 1048 | } |
| 1049 | }; |
| 1050 | |
| 1051 | // A read-only workspace tool: no request at all, in any posture. |
| 1052 | for authority in [&ask, &full, &auto_review, &never] { |
| 1053 | assert_eq!(resolve(authority, "read_file", false), None); |
| 1054 | } |
| 1055 | // An ordinary tool that needs approval ("write_file"). |
| 1056 | assert_eq!(resolve(&ask, "write_file", false), Some(D::Prompt)); |
| 1057 | assert_eq!( |
| 1058 | resolve(&ask, "write_file", true), |
| 1059 | Some(D::AutoApprove), |
| 1060 | "an extension-scoped grant" |
| 1061 | ); |
| 1062 | assert_eq!(resolve(&full, "write_file", false), Some(D::AutoApprove)); |
| 1063 | assert_eq!( |
| 1064 | resolve(&auto_review, "write_file", false), |
| 1065 | Some(D::AutoDenyAutoReview) |
| 1066 | ); |
| 1067 | assert_eq!( |
| 1068 | resolve(&never, "write_file", true), |
| 1069 | Some(D::AutoDenyNeverPosture) |
| 1070 | ); |
| 1071 | // Shell and network ask in Ask and Full Access, whatever grant exists. |
| 1072 | // Explicit no-prompt postures still refuse. |
| 1073 | for name in ["bash", "web_search"] { |
| 1074 | assert_eq!(resolve(&ask, name, false), Some(D::Prompt), "{name}"); |
| 1075 | assert_eq!( |
| 1076 | resolve(&ask, name, true), |
| 1077 | Some(D::Prompt), |
| 1078 | "{name}: a grant never satisfies it" |
| 1079 | ); |
| 1080 | assert_eq!(resolve(&full, name, false), Some(D::Prompt), "{name}"); |
| 1081 | assert_eq!(resolve(&full, name, true), Some(D::Prompt), "{name}"); |
| 1082 | assert_eq!( |
| 1083 | resolve(&auto_review, name, false), |
| 1084 | Some(D::AutoDenyAutoReview), |
| 1085 | "{name}" |
| 1086 | ); |
| 1087 | assert_eq!( |
| 1088 | resolve(&never, name, true), |
| 1089 | Some(D::AutoDenyNeverPosture), |
| 1090 | "{name}" |
| 1091 | ); |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | #[test] |
| 1096 | fn approval_keys_are_scoped_to_the_extension_so_grants_never_cross_origins() { |
| 1097 | use crate::tools::approval_cache::{approval_keys_for_call, extension_origin_approval_keys}; |
| 1098 | let input = json!({"command": "ls -la"}); |
| 1099 | let model = approval_keys_for_call(None, "bash", &input); |
| 1100 | let ext = extension_origin_approval_keys("ext:a@h1", None, "bash", &input); |
| 1101 | let other_build = extension_origin_approval_keys("ext:a@h2", None, "bash", &input); |
| 1102 | let other_plugin = extension_origin_approval_keys("ext:b@h1", None, "bash", &input); |
| 1103 | for (one, two) in [(&model, &ext), (&ext, &other_build), (&ext, &other_plugin)] { |
| 1104 | assert_ne!(one.0, two.0, "exact keys must differ"); |
| 1105 | assert_ne!(one.1, two.1, "grouping keys must differ"); |
| 1106 | } |
| 1107 | assert!(ext.0.0.starts_with("extcall:ext:a@h1:") && ext.1.0.starts_with("extcall:ext:a@h1:")); |
| 1108 | // Both directions: a grant held for one origin is looked up by the other's key. |
| 1109 | let held_by_model: std::collections::HashSet<String> = [model.1.0.clone()].into(); |
| 1110 | assert!( |
| 1111 | !held_by_model.contains(&ext.1.0), |
| 1112 | "a grant given to the model never covers an extension call" |
| 1113 | ); |
| 1114 | let held_by_extension: std::collections::HashSet<String> = [ext.1.0.clone()].into(); |
| 1115 | assert!( |
| 1116 | !held_by_extension.contains(&model.1.0), |
| 1117 | "a grant given to the extension never covers the model's call" |
| 1118 | ); |
| 1119 | } |
| 1120 |