124 lines
3.9 KiB
Go
124 lines
3.9 KiB
Go
/*
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Copyright Docker attest authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package attestation_test
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import (
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"context"
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"path/filepath"
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"strings"
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"testing"
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"github.com/docker/attest"
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"github.com/docker/attest/attestation"
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"github.com/docker/attest/internal/test"
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"github.com/docker/attest/oci"
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"github.com/docker/attest/policy"
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v1 "github.com/google/go-containerregistry/pkg/v1"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestAttestationFromOCILayout(t *testing.T) {
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ctx, signer := test.Setup(t)
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outputLayout := test.CreateTempDir(t, "", "attest-oci-layout")
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invalidPlatform := &v1.Platform{
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Architecture: "invalid",
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OS: "invalid",
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}
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opts := &attestation.SigningOptions{}
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attIdx, err := oci.IndexFromPath(test.UnsignedTestIndex(".."))
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require.NoError(t, err)
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signedManifests, err := attest.SignStatements(ctx, attIdx.Index, signer, opts)
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require.NoError(t, err)
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signedIndex := attIdx.Index
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signedIndex, err = attestation.UpdateIndexImages(signedIndex, signedManifests)
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require.NoError(t, err)
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spec, err := oci.ParseImageSpec(oci.LocalPrefix + outputLayout)
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require.NoError(t, err)
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err = oci.SaveIndex(ctx, []*oci.ImageSpec{spec}, signedIndex, "docker.io/library/test-image:test")
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require.NoError(t, err)
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testCases := []struct {
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name string
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platform *v1.Platform
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errorStr string
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}{
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{name: "nominal", platform: spec.Platform},
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{name: "invalid platform", platform: invalidPlatform, errorStr: "platform not found in index"},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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spec := &oci.ImageSpec{
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Type: oci.OCI,
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Identifier: outputLayout,
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Platform: tc.platform,
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}
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resolver, err := policy.CreateImageDetailsResolver(spec)
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if tc.errorStr != "" {
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require.Error(t, err)
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assert.Contains(t, err.Error(), tc.errorStr)
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return
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}
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require.NoError(t, err)
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desc, err := resolver.ImageDescriptor(ctx)
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require.NoError(t, err)
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digest := desc.Digest.String()
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assert.True(t, strings.Contains(digest, "sha256:"))
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})
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}
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}
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func TestSubjectNameAnnotations(t *testing.T) {
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testCases := []struct {
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name string
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ociLayoutPath string
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errorStr string
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}{
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{name: "oci annotation", ociLayoutPath: test.UnsignedTestIndex("..")},
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{name: "containerd annotation", ociLayoutPath: filepath.Join("..", "test", "testdata", "containerd-subject-layout")},
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{name: "missing subject name", ociLayoutPath: filepath.Join("..", "test", "testdata", "missing-subject-layout"), errorStr: "failed to find subject name in annotations"},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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spec, err := oci.ParseImageSpec(oci.LocalPrefix+tc.ociLayoutPath, oci.WithPlatform("linux/arm64"))
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require.NoError(t, err)
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_, err = policy.CreateImageDetailsResolver(spec)
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if tc.errorStr != "" {
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require.Error(t, err)
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assert.Contains(t, err.Error(), tc.errorStr)
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return
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}
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require.NoError(t, err)
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})
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}
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}
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func TestImageDetailsFromImageLayout(t *testing.T) {
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spec, err := oci.ParseImageSpec(oci.LocalPrefix+test.UnsignedTestImage(".."), oci.WithPlatform("linux/arm64"))
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require.NoError(t, err)
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resolver, err := policy.CreateImageDetailsResolver(spec)
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require.NoError(t, err)
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desc, err := resolver.ImageDescriptor(context.Background())
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require.NoError(t, err)
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digest := desc.Digest.String()
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assert.Equal(t, "sha256:7ae6b41655929ad8e1848064874a98ac3f68884996c79907f6525e3045f75390", digest)
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}
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