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| 1 | //! ACP `logout`: the editor's sign out button. |
| 2 | //! |
| 3 | //! The method is optional in ACP v1 and gated by `agentCapabilities.auth.logout`. |
| 4 | //! A client that does not see the capability shows no button, and one that |
| 5 | //! does expects the request to end the account session the same way `/logout` |
| 6 | //! does: the server is told, and the stored token is gone. |
| 7 | |
| 8 | use std::io::{BufRead, BufReader, Write}; |
| 9 | use std::net::TcpListener; |
| 10 | use std::process::{Child, ChildStdin, Command, Stdio}; |
| 11 | use std::sync::mpsc::{Receiver, channel}; |
| 12 | use std::time::{Duration, Instant}; |
| 13 | |
| 14 | use serde_json::{Value, json}; |
| 15 | |
| 16 | const TIMEOUT: Duration = Duration::from_secs(30); |
| 17 | |
| 18 | /// Stand in for the account API. Every request's head (request line and |
| 19 | /// headers, lowercased) is forwarded to the returned receiver. |
| 20 | fn start_fake_account_api() -> (u16, Receiver<String>) { |
| 21 | let listener = TcpListener::bind("127.0.0.1:0").expect("bind fake account api"); |
| 22 | let port = listener.local_addr().unwrap().port(); |
| 23 | let (head_tx, heads) = channel(); |
| 24 | |
| 25 | std::thread::spawn(move || { |
| 26 | for stream in listener.incoming() { |
| 27 | let Ok(mut stream) = stream else { continue }; |
| 28 | let mut reader = BufReader::new(match stream.try_clone() { |
| 29 | Ok(clone) => clone, |
| 30 | Err(_) => continue, |
| 31 | }); |
| 32 | let mut head = String::new(); |
| 33 | loop { |
| 34 | let mut line = String::new(); |
| 35 | if reader.read_line(&mut line).unwrap_or(0) == 0 || line.trim().is_empty() { |
| 36 | break; |
| 37 | } |
| 38 | head.push_str(&line.to_ascii_lowercase()); |
| 39 | } |
| 40 | let _ = head_tx.send(head); |
| 41 | let _ = stream.write_all( |
| 42 | b"HTTP/1.1 200 OK\r\ncontent-type: application/json\r\n\ |
| 43 | content-length: 2\r\nconnection: close\r\n\r\n{}", |
| 44 | ); |
| 45 | let _ = stream.flush(); |
| 46 | } |
| 47 | }); |
| 48 | |
| 49 | (port, heads) |
| 50 | } |
| 51 | |
| 52 | struct AgentUnderTest { |
| 53 | child: Child, |
| 54 | stdin: ChildStdin, |
| 55 | incoming: Receiver<Value>, |
| 56 | next_id: u64, |
| 57 | } |
| 58 | |
| 59 | fn spawn_agent(api_port: u16, config_dir: &std::path::Path) -> AgentUnderTest { |
| 60 | let mut child = Command::new(env!("CARGO_BIN_EXE_sigit")) |
| 61 | // A provider override keeps inference off both the cloud and the |
| 62 | // on-device model. No prompt is sent, so nothing ever connects to it. |
| 63 | .env("OPENAI_BASE_URL", "http://127.0.0.1:9") |
| 64 | .env("OPENAI_API_KEY", "test-key") |
| 65 | .env("SIGIT_MODEL", "scripted-model") |
| 66 | .env("SIGIT_API_URL", format!("http://127.0.0.1:{api_port}")) |
| 67 | .env("SIGIT_CONFIG_DIR", config_dir) |
| 68 | .env("SIGIT_MCP", "off") |
| 69 | .env_remove("SIGIT_LOCAL_INFERENCE") |
| 70 | .stdin(Stdio::piped()) |
| 71 | .stdout(Stdio::piped()) |
| 72 | .stderr(Stdio::null()) |
| 73 | .spawn() |
| 74 | .expect("spawn sigit in ACP mode"); |
| 75 | |
| 76 | let stdout = child.stdout.take().unwrap(); |
| 77 | let (message_tx, incoming) = channel(); |
| 78 | std::thread::spawn(move || { |
| 79 | for line in BufReader::new(stdout).lines() { |
| 80 | let Ok(line) = line else { break }; |
| 81 | if let Ok(message) = serde_json::from_str::<Value>(&line) |
| 82 | && message_tx.send(message).is_err() |
| 83 | { |
| 84 | break; |
| 85 | } |
| 86 | } |
| 87 | }); |
| 88 | |
| 89 | let stdin = child.stdin.take().unwrap(); |
| 90 | AgentUnderTest { |
| 91 | child, |
| 92 | stdin, |
| 93 | incoming, |
| 94 | next_id: 0, |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | impl AgentUnderTest { |
| 99 | fn request(&mut self, method: &str, params: Value) -> u64 { |
| 100 | self.next_id += 1; |
| 101 | let id = self.next_id; |
| 102 | let mut line = |
| 103 | json!({"jsonrpc": "2.0", "id": id, "method": method, "params": params}).to_string(); |
| 104 | line.push('\n'); |
| 105 | self.stdin.write_all(line.as_bytes()).expect("write stdin"); |
| 106 | self.stdin.flush().expect("flush stdin"); |
| 107 | id |
| 108 | } |
| 109 | |
| 110 | fn wait_for_response(&mut self, id: u64) -> Value { |
| 111 | let deadline = Instant::now() + TIMEOUT; |
| 112 | loop { |
| 113 | let remaining = deadline.saturating_duration_since(Instant::now()); |
| 114 | let Ok(message) = self.incoming.recv_timeout(remaining) else { |
| 115 | panic!("timed out waiting for the response to request {id}"); |
| 116 | }; |
| 117 | if message["id"] == id && message.get("method").is_none() { |
| 118 | assert!( |
| 119 | message.get("error").is_none(), |
| 120 | "request {id} failed: {message}" |
| 121 | ); |
| 122 | return message; |
| 123 | } |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | /// Send `text` as a prompt and return the agent message text it streamed |
| 128 | /// before the turn ended. |
| 129 | fn prompt_text(&mut self, session_id: &str, text: &str) -> String { |
| 130 | let id = self.request( |
| 131 | "session/prompt", |
| 132 | json!({"sessionId": session_id, "prompt": [{"type": "text", "text": text}]}), |
| 133 | ); |
| 134 | let deadline = Instant::now() + TIMEOUT; |
| 135 | let mut reply = String::new(); |
| 136 | loop { |
| 137 | let remaining = deadline.saturating_duration_since(Instant::now()); |
| 138 | let Ok(message) = self.incoming.recv_timeout(remaining) else { |
| 139 | panic!("timed out waiting for the response to prompt {id}"); |
| 140 | }; |
| 141 | if message["method"] == "session/update" |
| 142 | && message["params"]["update"]["sessionUpdate"] == "agent_message_chunk" |
| 143 | && let Some(chunk) = message["params"]["update"]["content"]["text"].as_str() |
| 144 | { |
| 145 | reply.push_str(chunk); |
| 146 | } |
| 147 | if message["id"] == id && message.get("method").is_none() { |
| 148 | return reply; |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | impl Drop for AgentUnderTest { |
| 155 | fn drop(&mut self) { |
| 156 | let _ = self.child.kill(); |
| 157 | let _ = self.child.wait(); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | #[test] |
| 162 | fn logout_is_advertised_and_ends_the_account_session() { |
| 163 | let scratch = std::env::temp_dir().join(format!("sigit_acp_logout_{}", std::process::id())); |
| 164 | let config_dir = scratch.join("config"); |
| 165 | std::fs::create_dir_all(&config_dir).unwrap(); |
| 166 | let credentials = config_dir.join("credentials.toml"); |
| 167 | std::fs::write( |
| 168 | &credentials, |
| 169 | "access_token = \"token-under-test\"\nemail = \"dev@example.com\"\n", |
| 170 | ) |
| 171 | .unwrap(); |
| 172 | |
| 173 | let (api_port, api_requests) = start_fake_account_api(); |
| 174 | let mut agent = spawn_agent(api_port, &config_dir); |
| 175 | |
| 176 | let id = agent.request( |
| 177 | "initialize", |
| 178 | json!({"protocolVersion": 1, "clientCapabilities": {}}), |
| 179 | ); |
| 180 | let initialized = agent.wait_for_response(id); |
| 181 | assert!( |
| 182 | initialized["result"]["agentCapabilities"]["auth"]["logout"].is_object(), |
| 183 | "logout capability missing: {initialized}" |
| 184 | ); |
| 185 | |
| 186 | let id = agent.request("logout", json!({})); |
| 187 | let response = agent.wait_for_response(id); |
| 188 | assert!(response["result"].is_object(), "{response}"); |
| 189 | |
| 190 | assert!(!credentials.exists(), "the stored token should be gone"); |
| 191 | let head = api_requests |
| 192 | .recv_timeout(TIMEOUT) |
| 193 | .expect("the account API should be told about the sign-out"); |
| 194 | assert!(head.starts_with("delete /api/v1/auth/sign_out "), "{head}"); |
| 195 | assert!( |
| 196 | head.contains("authorization: bearer token-under-test"), |
| 197 | "{head}" |
| 198 | ); |
| 199 | |
| 200 | // Signing out twice is not an error: the editor's state may be stale. |
| 201 | let id = agent.request("logout", json!({})); |
| 202 | agent.wait_for_response(id); |
| 203 | |
| 204 | std::fs::remove_dir_all(&scratch).ok(); |
| 205 | } |
| 206 | |
| 207 | /// `/whoami` asks `/api/v1/user`, the endpoint that accepts the OAuth tokens |
| 208 | /// browser sign-in stores. The deprecated `/api/v1/me` answers them with a 403. |
| 209 | #[test] |
| 210 | fn whoami_checks_the_session_against_the_user_endpoint() { |
| 211 | let scratch = std::env::temp_dir().join(format!("sigit_acp_whoami_{}", std::process::id())); |
| 212 | let config_dir = scratch.join("config"); |
| 213 | std::fs::create_dir_all(&config_dir).unwrap(); |
| 214 | std::fs::write( |
| 215 | config_dir.join("credentials.toml"), |
| 216 | "access_token = \"token-under-test\"\nemail = \"dev@example.com\"\n", |
| 217 | ) |
| 218 | .unwrap(); |
| 219 | |
| 220 | let (api_port, api_requests) = start_fake_account_api(); |
| 221 | let mut agent = spawn_agent(api_port, &config_dir); |
| 222 | |
| 223 | let id = agent.request( |
| 224 | "initialize", |
| 225 | json!({"protocolVersion": 1, "clientCapabilities": {}}), |
| 226 | ); |
| 227 | agent.wait_for_response(id); |
| 228 | let id = agent.request("session/new", json!({"cwd": scratch, "mcpServers": []})); |
| 229 | let session_id = agent.wait_for_response(id)["result"]["sessionId"] |
| 230 | .as_str() |
| 231 | .expect("session id") |
| 232 | .to_string(); |
| 233 | |
| 234 | let reply = agent.prompt_text(&session_id, "/whoami"); |
| 235 | assert!( |
| 236 | reply.contains("Signed in to siGit Code Cloud as dev@example.com"), |
| 237 | "{reply}" |
| 238 | ); |
| 239 | |
| 240 | let head = api_requests |
| 241 | .recv_timeout(TIMEOUT) |
| 242 | .expect("/whoami should ask the account API"); |
| 243 | assert!(head.starts_with("get /api/v1/user "), "{head}"); |
| 244 | assert!( |
| 245 | head.contains("authorization: bearer token-under-test"), |
| 246 | "{head}" |
| 247 | ); |
| 248 | |
| 249 | std::fs::remove_dir_all(&scratch).ok(); |
| 250 | } |