hatchery-node 0.2.21

Hatchery node: the complete node kit over the gate4agent transport (PTY/inline sessions, file browser, local git, worktrees, mailbox, browser station, session restore)
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136

//! Node letter pipeline end to end with fake providers: node mailbox letter -> policy -> g4a
//! routine POST (fake routine on loopback; fake credential command), and the refusals.

#![cfg(unix)]

use std::io::{Read, Write};
use std::net::TcpListener;
use std::os::unix::fs::PermissionsExt;
use std::path::PathBuf;
use std::sync::mpsc;
use std::time::Duration;

use hatchery_node::wake_pipeline::{node_mail_tick, route, MailSeen, Route, RoutineTarget, SessionShape, WakePolicy};
use serde_json::json;

fn temp(name: &str) -> PathBuf {
    let d = std::env::temp_dir().join(format!("hn-wake-e2e-{name}-{}", std::process::id()));
    let _ = std::fs::remove_dir_all(&d);
    std::fs::create_dir_all(&d).unwrap();
    d
}

fn fake_routine(status: &'static str) -> (String, mpsc::Receiver<String>) {
    let l = TcpListener::bind("127.0.0.1:0").unwrap();
    let url = format!("http://{}/routine", l.local_addr().unwrap());
    let (tx, rx) = mpsc::channel();
    std::thread::spawn(move || {
        for s in l.incoming() {
            let Ok(mut s) = s else { break };
            s.set_read_timeout(Some(Duration::from_secs(5))).unwrap();
            let mut buf = Vec::new();
            let mut chunk = [0u8; 4096];
            loop {
                let n = s.read(&mut chunk).unwrap_or(0);
                if n == 0 {
                    break;
                }
                buf.extend_from_slice(&chunk[..n]);
                let t = String::from_utf8_lossy(&buf);
                if let Some((head, body)) = t.split_once("\r\n\r\n") {
                    let len = head
                        .lines()
                        .find_map(|l| l.to_ascii_lowercase().strip_prefix("content-length:").map(|v| v.trim().parse::<usize>().unwrap()))
                        .unwrap_or(0);
                    if body.len() >= len {
                        break;
                    }
                }
            }
            let _ = write!(s, "HTTP/1.1 {status}\r\ncontent-length: 0\r\nconnection: close\r\n\r\n");
            let _ = tx.send(String::from_utf8_lossy(&buf).into_owned());
        }
    });
    (url, rx)
}

fn credential_script(dir: &PathBuf, url: &str, key: &str) -> Vec<String> {
    let p = dir.join("cred.sh");
    std::fs::write(&p, format!("#!/bin/sh\nprintf '{{\"url\":\"{url}\",\"key\":\"{key}\"}}'\n")).unwrap();
    std::fs::set_permissions(&p, std::fs::Permissions::from_mode(0o700)).unwrap();
    vec![p.display().to_string()]
}

fn policy(cmd: Vec<String>) -> WakePolicy {
    WakePolicy {
        routines: [("web-bot".to_string(), RoutineTarget { credential_command: cmd })].into(),
        node_mail_to: Some("web-bot".into()),
        ..WakePolicy::default()
    }
}

#[test]
fn node_mail_reaches_the_routine_once_through_g4a_and_history_is_not_replayed() {
    let dir = temp("deliver");
    let (url, rx) = fake_routine("200 OK");
    let policy = policy(credential_script(&dir, &url, "k-fake-1"));
    let mut seen = MailSeen::load(dir.join("seen.json"));
    let old = json!({"messages": [{"message_id": "m-old", "from": "operator", "subject": "old", "body": "history"}]});
    assert!(node_mail_tick(&policy, &mut seen, &old, None).is_empty(), "first read only records");
    assert!(rx.recv_timeout(Duration::from_millis(300)).is_err(), "history was replayed");

    let new = json!({"messages": [
        {"message_id": "m-old", "from": "operator", "subject": "old", "body": "history"},
        {"message_id": "m-1", "from": "operator", "subject": "ping", "body": "wake up"}
    ]});
    let out = node_mail_tick(&policy, &mut seen, &new, Some("http://127.0.0.1:1/door"));
    assert_eq!(out.len(), 1);
    assert_eq!(out[0].message_id, "m-1");
    assert_eq!(out[0].result, Ok(200));
    let req = rx.recv_timeout(Duration::from_secs(5)).unwrap();
    let lower = req.to_ascii_lowercase();
    assert!(lower.contains("authorization: bearer k-fake-1") && lower.contains("x-automation-key: k-fake-1"));
    let body: serde_json::Value = serde_json::from_str(req.split_once("\r\n\r\n").unwrap().1).unwrap();
    assert_eq!(body["body"], "wake up");
    assert_eq!(body["from"], "operator");
    assert_eq!(body["to"], "web-bot");
    assert_eq!(body["event_id"], "m-1");
    assert!(body["reply"].as_str().unwrap().contains("m4a-send"));

    // Same inbox again (and after a restart): nothing new.
    assert!(node_mail_tick(&policy, &mut seen, &new, None).is_empty());
    let mut reopened = MailSeen::load(dir.join("seen.json"));
    assert!(node_mail_tick(&policy, &mut reopened, &new, None).is_empty(), "seen ledger survives a restart");
    let _ = std::fs::remove_dir_all(&dir);
}

#[test]
fn a_failing_routine_or_credential_is_reported_without_secrets() {
    let dir = temp("fail");
    let (url, _rx) = fake_routine("403 Forbidden");
    let policy = policy(credential_script(&dir, &url, "k-fake-2"));
    let mut seen = MailSeen::load(dir.join("seen.json"));
    node_mail_tick(&policy, &mut seen, &json!({"messages": []}), None);
    let out = node_mail_tick(&policy, &mut seen, &json!({"messages": [{"message_id": "m-2", "body": "x"}]}), None);
    let err = out[0].result.clone().unwrap_err();
    assert!(err.contains("403") && !err.contains("k-fake-2") && !err.contains(&url), "{err}");

    let broken = WakePolicy { routines: [("web-bot".to_string(), RoutineTarget { credential_command: vec!["/nonexistent/cred".into()] })].into(), node_mail_to: Some("web-bot".into()), ..WakePolicy::default() };
    let mut seen = MailSeen::load(dir.join("seen2.json"));
    node_mail_tick(&broken, &mut seen, &json!({"messages": []}), None);
    let out = node_mail_tick(&broken, &mut seen, &json!({"messages": [{"message_id": "m-3", "body": "x"}]}), None);
    assert!(out[0].result.as_ref().unwrap_err().starts_with("credential command"));
    let _ = std::fs::remove_dir_all(&dir);
}

#[test]
fn without_a_policy_nothing_is_delivered_and_typing_is_refused() {
    let dir = temp("default");
    let p = WakePolicy::default();
    let mut seen = MailSeen::load(dir.join("seen.json"));
    node_mail_tick(&p, &mut seen, &json!({"messages": []}), None);
    assert!(node_mail_tick(&p, &mut seen, &json!({"messages": [{"message_id": "m", "body": "x"}]}), None).is_empty());
    assert!(matches!(route(&p, "anyone", SessionShape::RawTerminal), Route::Refuse(_)));
    assert_eq!(route(&p, "anyone", SessionShape::Semantic), Route::Deliver);
    let _ = std::fs::remove_dir_all(&dir);
}