vanta-install 0.0.1

install engine: plan/fetch/verify/materialize/link/commit, generations
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
137
138
139

//! Hermetic end-to-end test of the install pipeline against a fake HTTP server
//! (`docs/28-testing.md`): fetch → verify(sha256) → extract(strip) → publish →
//! link → generation, with no real network.

use std::collections::HashMap;
use vanta_core::{Artifact, Checksum};
use vanta_install::Engine;
use vanta_test::{make_targz, serve, sha256_hex};

#[test]
fn installs_and_links_from_fake_server() {
    let tar = make_targz("tool-1.0.0", &[("bin/tool", b"#!/bin/sh\necho ok\n")]);
    let sha = sha256_hex(&tar);
    let mut files = HashMap::new();
    files.insert("/tool.tar.gz".to_string(), tar);
    let port = serve(files);

    let home = std::env::temp_dir().join(format!("vanta-e2e-{}", std::process::id()));
    let _ = std::fs::remove_dir_all(&home);
    let engine = Engine::open(&home).unwrap();

    let artifact = Artifact {
        url: format!("http://127.0.0.1:{port}/tool.tar.gz"),
        mirrors: vec![],
        archive: "tar.gz".to_string(),
        size: None,
        checksum: Checksum {
            algo: "sha256".to_string(),
            value: sha,
        },
        signature: None,
        signature_key: None,
        bin: vec!["bin/tool".to_string()],
        strip: 1,
        store_key: None,
    };

    let key = engine.install_artifact("tool", "1.0.0", &artifact).unwrap();
    assert!(engine.store().has(&key));
    assert!(engine.store().verify_entry(&key).unwrap());
    // Executable linked onto ~/.vanta/bin.
    assert!(home.join("bin").join("tool").exists());

    let _ = std::fs::remove_dir_all(&home);
}

#[test]
fn rejects_bad_checksum_fail_closed() {
    let tar = make_targz("tool-1.0.0", &[("bin/tool", b"x")]);
    let mut files = HashMap::new();
    files.insert("/tool.tar.gz".to_string(), tar);
    let port = serve(files);

    let home = std::env::temp_dir().join(format!("vanta-e2e-bad-{}", std::process::id()));
    let _ = std::fs::remove_dir_all(&home);
    let engine = Engine::open(&home).unwrap();

    let artifact = Artifact {
        url: format!("http://127.0.0.1:{port}/tool.tar.gz"),
        mirrors: vec![],
        archive: "tar.gz".to_string(),
        size: None,
        checksum: Checksum {
            algo: "sha256".to_string(),
            value: "deadbeef".to_string(),
        },
        signature: None,
        signature_key: None,
        bin: vec!["bin/tool".to_string()],
        strip: 1,
        store_key: None,
    };
    assert!(engine.install_artifact("tool", "1.0.0", &artifact).is_err());
    let _ = std::fs::remove_dir_all(&home);
}

#[test]
fn installs_with_valid_signature() {
    let tar = make_targz("tool-1.0.0", &[("bin/tool", b"signed-ok")]);
    let sha = sha256_hex(&tar);
    let (pubkey, sig) = vanta_test::minisign_sign([9u8; 32], &tar);
    let mut files = HashMap::new();
    files.insert("/t.tar.gz".to_string(), tar);
    let port = serve(files);

    let home = std::env::temp_dir().join(format!("vanta-e2e-sig-{}", std::process::id()));
    let _ = std::fs::remove_dir_all(&home);
    let engine = Engine::open(&home).unwrap();
    let artifact = Artifact {
        url: format!("http://127.0.0.1:{port}/t.tar.gz"),
        mirrors: vec![],
        archive: "tar.gz".to_string(),
        size: None,
        checksum: Checksum {
            algo: "sha256".to_string(),
            value: sha,
        },
        signature: Some(sig),
        signature_key: Some(pubkey),
        bin: vec!["bin/tool".to_string()],
        strip: 1,
        store_key: None,
    };
    let key = engine.install_artifact("tool", "1.0.0", &artifact).unwrap();
    assert!(engine.store().has(&key));
    let _ = std::fs::remove_dir_all(&home);
}

#[test]
fn rejects_signature_from_wrong_key() {
    let tar = make_targz("tool-1.0.0", &[("bin/tool", b"signed")]);
    let sha = sha256_hex(&tar);
    let (_, sig) = vanta_test::minisign_sign([1u8; 32], &tar); // signed with key A
    let (other_key, _) = vanta_test::minisign_sign([2u8; 32], b"unrelated"); // key B's pubkey
    let mut files = HashMap::new();
    files.insert("/t.tar.gz".to_string(), tar);
    let port = serve(files);

    let home = std::env::temp_dir().join(format!("vanta-e2e-sigbad-{}", std::process::id()));
    let _ = std::fs::remove_dir_all(&home);
    let engine = Engine::open(&home).unwrap();
    let artifact = Artifact {
        url: format!("http://127.0.0.1:{port}/t.tar.gz"),
        mirrors: vec![],
        archive: "tar.gz".to_string(),
        size: None,
        checksum: Checksum {
            algo: "sha256".to_string(),
            value: sha,
        },
        signature: Some(sig),
        signature_key: Some(other_key),
        bin: vec!["bin/tool".to_string()],
        strip: 1,
        store_key: None,
    };
    assert!(engine.install_artifact("tool", "1.0.0", &artifact).is_err());
    let _ = std::fs::remove_dir_all(&home);
}