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
|
//
// Copyright 2023 The Sigstore Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package remote
import (
"testing"
"github.com/google/go-containerregistry/pkg/name"
v1 "github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/random"
"github.com/google/go-containerregistry/pkg/v1/remote"
)
func TestSignedUnknown(t *testing.T) {
ri := remote.Image
t.Cleanup(func() {
remoteImage = ri
})
wantLayers := int64(7)
remoteImage = func(_ name.Reference, _ ...remote.Option) (v1.Image, error) {
// Only called for signature images
return random.Image(300 /* byteSize */, wantLayers)
}
// :nonroot as of 2023/05/07
digest, err := name.NewDigest("gcr.io/distroless/static@sha256:9ecc53c269509f63c69a266168e4a687c7eb8c0cfd753bd8bfcaa4f58a90876f")
if err != nil {
t.Fatalf("ParseRef() = %v", err)
}
si := SignedUnknown(digest)
sigs, err := si.Signatures()
if err != nil {
t.Fatalf("Signatures() = %v", err)
}
if sl, err := sigs.Get(); err != nil {
t.Errorf("Get() = %v", err)
} else if got := int64(len(sl)); got != wantLayers {
t.Errorf("len(Get()) = %d, wanted %d", got, wantLayers)
}
atts, err := si.Attestations()
if err != nil {
t.Fatalf("Signatures() = %v", err)
}
if al, err := atts.Get(); err != nil {
t.Errorf("Get() = %v", err)
} else if got := int64(len(al)); got != wantLayers {
t.Errorf("len(Get()) = %d, wanted %d", got, wantLayers)
}
}
func TestSignedUnknownWithAttachment(t *testing.T) {
ri := remote.Image
t.Cleanup(func() {
remoteImage = ri
})
wantLayers := int64(1) // File must have a single layer
remoteImage = func(_ name.Reference, _ ...remote.Option) (v1.Image, error) {
// Only called for signature images
return random.Image(300 /* byteSize */, wantLayers)
}
// :nonroot as of 2023/05/07
digest, err := name.NewDigest("gcr.io/distroless/static@sha256:9ecc53c269509f63c69a266168e4a687c7eb8c0cfd753bd8bfcaa4f58a90876f")
if err != nil {
t.Fatalf("ParseRef() = %v", err)
}
si := SignedUnknown(digest)
file, err := si.Attachment("sbom")
if err != nil {
t.Fatalf("Signatures() = %v", err)
}
payload, err := file.Payload()
if err != nil {
t.Errorf("Payload() = %v", err)
}
// We check greater than because it's wrapped in a tarball with `random.Layer`
if len(payload) < 300 {
t.Errorf("Payload() = %d bytes, wanted %d", len(payload), 300)
}
}
|
