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e2e_test.go
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e2e_test.go
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//
// Copyright 2021 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.
//go:build e2e
// +build e2e
package test
import (
"bytes"
"context"
"crypto"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"net/http/httptest"
"net/url"
"os"
"path"
"path/filepath"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/google/go-containerregistry/pkg/name"
"github.com/google/go-containerregistry/pkg/registry"
"github.com/google/go-containerregistry/pkg/v1/random"
"github.com/google/go-containerregistry/pkg/v1/remote"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/sigstore/cosign/cmd/cosign/cli"
"github.com/sigstore/cosign/cmd/cosign/cli/attach"
"github.com/sigstore/cosign/cmd/cosign/cli/attest"
"github.com/sigstore/cosign/cmd/cosign/cli/download"
"github.com/sigstore/cosign/cmd/cosign/cli/generate"
"github.com/sigstore/cosign/cmd/cosign/cli/options"
"github.com/sigstore/cosign/cmd/cosign/cli/publickey"
"github.com/sigstore/cosign/cmd/cosign/cli/sign"
"github.com/sigstore/cosign/cmd/cosign/cli/upload"
cliverify "github.com/sigstore/cosign/cmd/cosign/cli/verify"
"github.com/sigstore/cosign/pkg/cosign"
"github.com/sigstore/cosign/pkg/cosign/kubernetes"
cremote "github.com/sigstore/cosign/pkg/cosign/remote"
"github.com/sigstore/cosign/pkg/oci/mutate"
ociremote "github.com/sigstore/cosign/pkg/oci/remote"
"github.com/sigstore/cosign/pkg/sget"
sigs "github.com/sigstore/cosign/pkg/signature"
"github.com/sigstore/sigstore/pkg/signature/payload"
)
const (
serverEnv = "REKOR_SERVER"
rekorURL = "https://rekor.sigstore.dev"
)
var keyPass = []byte("hello")
var passFunc = func(_ bool) ([]byte, error) {
return keyPass, nil
}
var verify = func(keyRef, imageRef string, checkClaims bool, annotations map[string]interface{}, attachment string) error {
cmd := cliverify.VerifyCommand{
KeyRef: keyRef,
RekorURL: rekorURL,
CheckClaims: checkClaims,
Annotations: sigs.AnnotationsMap{Annotations: annotations},
Attachment: attachment,
HashAlgorithm: crypto.SHA256,
}
args := []string{imageRef}
return cmd.Exec(context.Background(), args)
}
// Used to verify local images stored on disk
var verifyLocal = func(keyRef, path string, checkClaims bool, annotations map[string]interface{}, attachment string) error {
cmd := cliverify.VerifyCommand{
KeyRef: keyRef,
CheckClaims: checkClaims,
Annotations: sigs.AnnotationsMap{Annotations: annotations},
Attachment: attachment,
HashAlgorithm: crypto.SHA256,
LocalImage: true,
}
args := []string{path}
return cmd.Exec(context.Background(), args)
}
var ro = &options.RootOptions{Timeout: options.DefaultTimeout}
func TestSignVerify(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "cosign-e2e")
_, _, cleanup := mkimage(t, imgName)
defer cleanup()
_, privKeyPath, pubKeyPath := keypair(t, td)
ctx := context.Background()
// Verify should fail at first
mustErr(verify(pubKeyPath, imgName, true, nil, ""), t)
// So should download
mustErr(download.SignatureCmd(ctx, options.RegistryOptions{}, imgName), t)
// Now sign the image
ko := sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
// Now verify and download should work!
must(verify(pubKeyPath, imgName, true, nil, ""), t)
must(download.SignatureCmd(ctx, options.RegistryOptions{}, imgName), t)
// Look for a specific annotation
mustErr(verify(pubKeyPath, imgName, true, map[string]interface{}{"foo": "bar"}, ""), t)
// Sign the image with an annotation
annotations := map[string]interface{}{"foo": "bar"}
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, annotations, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
// It should match this time.
must(verify(pubKeyPath, imgName, true, map[string]interface{}{"foo": "bar"}, ""), t)
// But two doesn't work
mustErr(verify(pubKeyPath, imgName, true, map[string]interface{}{"foo": "bar", "baz": "bat"}, ""), t)
}
func TestSignVerifyClean(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "cosign-e2e")
_, _, _ = mkimage(t, imgName)
_, privKeyPath, pubKeyPath := keypair(t, td)
ctx := context.Background()
// Now sign the image
ko := sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
// Now verify and download should work!
must(verify(pubKeyPath, imgName, true, nil, ""), t)
must(download.SignatureCmd(ctx, options.RegistryOptions{}, imgName), t)
// Now clean signature from the given image
must(cli.CleanCmd(ctx, options.RegistryOptions{}, "all", imgName, true), t)
// It doesn't work
mustErr(verify(pubKeyPath, imgName, true, nil, ""), t)
}
func TestImportSignVerifyClean(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "cosign-e2e")
_, _, _ = mkimage(t, imgName)
_, privKeyPath, pubKeyPath := importKeyPair(t, td)
ctx := context.Background()
// Now sign the image
ko := sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
// Now verify and download should work!
must(verify(pubKeyPath, imgName, true, nil, ""), t)
must(download.SignatureCmd(ctx, options.RegistryOptions{}, imgName), t)
// Now clean signature from the given image
must(cli.CleanCmd(ctx, options.RegistryOptions{}, "all", imgName, true), t)
// It doesn't work
mustErr(verify(pubKeyPath, imgName, true, nil, ""), t)
}
func TestAttestVerify(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "cosign-attest-e2e")
_, _, cleanup := mkimage(t, imgName)
defer cleanup()
_, privKeyPath, pubKeyPath := keypair(t, td)
ctx := context.Background()
// Verify should fail at first
verifyAttestation := cliverify.VerifyAttestationCommand{
KeyRef: pubKeyPath,
}
// Fail case when using without type and policy flag
mustErr(verifyAttestation.Exec(ctx, []string{imgName}), t)
slsaAttestation := `{ "buildType": "x", "builder": { "id": "2" }, "recipe": {} }`
slsaAttestationPath := filepath.Join(td, "attestation.slsa.json")
if err := os.WriteFile(slsaAttestationPath, []byte(slsaAttestation), 0600); err != nil {
t.Fatal(err)
}
// Now attest the image
ko := sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
must(attest.AttestCmd(ctx, ko, options.RegistryOptions{}, imgName, "", "", false, slsaAttestationPath, false,
"slsaprovenance", false, 30*time.Second), t)
// Use cue to verify attestation
policyPath := filepath.Join(td, "policy.cue")
verifyAttestation.PredicateType = "slsaprovenance"
verifyAttestation.Policies = []string{policyPath}
// Fail case
cuePolicy := `builder: id: "1"`
if err := os.WriteFile(policyPath, []byte(cuePolicy), 0600); err != nil {
t.Fatal(err)
}
// Success case
cuePolicy = `builder: id: "2"`
if err := os.WriteFile(policyPath, []byte(cuePolicy), 0600); err != nil {
t.Fatal(err)
}
must(verifyAttestation.Exec(ctx, []string{imgName}), t)
// Look for a specific annotation
mustErr(verify(pubKeyPath, imgName, true, map[string]interface{}{"foo": "bar"}, ""), t)
}
func TestAttestationReplace(t *testing.T) {
// This test is currently failing, see https://github.com/sigstore/cosign/issues/1378
// The replace option for attest does not appear to work on random.Image() generated images
t.Skip()
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "cosign-attest-replace-e2e")
_, _, cleanup := mkimage(t, imgName)
defer cleanup()
_, privKeyPath, _ := keypair(t, td)
ko := sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
ctx := context.Background()
slsaAttestation := `{ "buildType": "x", "builder": { "id": "2" }, "recipe": {} }`
slsaAttestationPath := filepath.Join(td, "attestation.slsa.json")
if err := os.WriteFile(slsaAttestationPath, []byte(slsaAttestation), 0600); err != nil {
t.Fatal(err)
}
// Attest once with with replace=false creating an attestation
must(attest.AttestCmd(ctx, ko, options.RegistryOptions{}, imgName, "", "", false, slsaAttestationPath, false,
"slsaprovenance", false, 30*time.Second), t)
// Attest again with replace=true, replacing the previous attestation
must(attest.AttestCmd(ctx, ko, options.RegistryOptions{}, imgName, "", "", false, slsaAttestationPath, false,
"slsaprovenance", true, 30*time.Second), t)
// Attest once more replace=true using a different predicate, to ensure it adds a new attestation
must(attest.AttestCmd(ctx, ko, options.RegistryOptions{}, imgName, "", "", false, slsaAttestationPath, false,
"custom", true, 30*time.Second), t)
// Download and count the attestations
ref, err := name.ParseReference(imgName)
if err != nil {
t.Fatal(err)
}
regOpts := options.RegistryOptions{}
ociremoteOpts, err := regOpts.ClientOpts(ctx)
if err != nil {
t.Fatal(err)
}
attestations, err := cosign.FetchAttestationsForReference(ctx, ref, ociremoteOpts...)
if err != nil {
t.Fatal(err)
}
if len(attestations) != 2 {
t.Fatal(fmt.Errorf("Expected len(attestations) == 2, got %d", len(attestations)))
}
}
func TestRekorBundle(t *testing.T) {
// turn on the tlog
defer setenv(t, options.ExperimentalEnv, "1")()
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "cosign-e2e")
_, _, cleanup := mkimage(t, imgName)
defer cleanup()
_, privKeyPath, pubKeyPath := keypair(t, td)
ko := sign.KeyOpts{
KeyRef: privKeyPath,
PassFunc: passFunc,
RekorURL: rekorURL,
}
// Sign the image
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
// Make sure verify works
must(verify(pubKeyPath, imgName, true, nil, ""), t)
// Make sure offline verification works with bundling
// use rekor prod since we have hardcoded the public key
os.Setenv(serverEnv, "notreal")
must(verify(pubKeyPath, imgName, true, nil, ""), t)
}
func TestDuplicateSign(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "cosign-e2e")
ref, _, cleanup := mkimage(t, imgName)
defer cleanup()
_, privKeyPath, pubKeyPath := keypair(t, td)
ctx := context.Background()
// Verify should fail at first
mustErr(verify(pubKeyPath, imgName, true, nil, ""), t)
// So should download
mustErr(download.SignatureCmd(ctx, options.RegistryOptions{}, imgName), t)
// Now sign the image
ko := sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
// Now verify and download should work!
must(verify(pubKeyPath, imgName, true, nil, ""), t)
must(download.SignatureCmd(ctx, options.RegistryOptions{}, imgName), t)
// Signing again should work just fine...
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
se, err := ociremote.SignedEntity(ref, ociremote.WithRemoteOptions(registryClientOpts(ctx)...))
must(err, t)
sigs, err := se.Signatures()
must(err, t)
signatures, err := sigs.Get()
must(err, t)
if len(signatures) > 1 {
t.Errorf("expected there to only be one signature, got %v", signatures)
}
}
func TestKeyURLVerify(t *testing.T) {
// TODO: re-enable once distroless images are being signed by the new client
t.Skip()
// Verify that an image can be verified via key url
keyRef := "https://raw.githubusercontent.com/GoogleContainerTools/distroless/main/cosign.pub"
img := "gcr.io/distroless/base:latest"
must(verify(keyRef, img, true, nil, ""), t)
}
func TestGenerateKeyPairEnvVar(t *testing.T) {
defer setenv(t, "COSIGN_PASSWORD", "foo")()
keys, err := cosign.GenerateKeyPair(generate.GetPass)
if err != nil {
t.Fatal(err)
}
if _, err := cosign.LoadPrivateKey(keys.PrivateBytes, []byte("foo")); err != nil {
t.Fatal(err)
}
}
func TestGenerateKeyPairK8s(t *testing.T) {
td := t.TempDir()
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
if err := os.Chdir(td); err != nil {
t.Fatal(err)
}
defer func() {
os.Chdir(wd)
}()
password := "foo"
defer setenv(t, "COSIGN_PASSWORD", password)()
ctx := context.Background()
name := "cosign-secret"
namespace := "default"
if err := kubernetes.KeyPairSecret(ctx, fmt.Sprintf("k8s://%s/%s", namespace, name), generate.GetPass); err != nil {
t.Fatal(err)
}
// make sure the secret actually exists
client, err := kubernetes.Client()
if err != nil {
t.Fatal(err)
}
s, err := client.CoreV1().Secrets(namespace).Get(ctx, name, metav1.GetOptions{})
if err != nil {
t.Fatal(err)
}
if v, ok := s.Data["cosign.password"]; !ok || string(v) != password {
t.Fatalf("password is incorrect, got %v expected %v", v, "foo")
}
}
func TestMultipleSignatures(t *testing.T) {
repo, stop := reg(t)
defer stop()
td1 := t.TempDir()
td2 := t.TempDir()
imgName := path.Join(repo, "cosign-e2e")
_, _, cleanup := mkimage(t, imgName)
defer cleanup()
_, priv1, pub1 := keypair(t, td1)
_, priv2, pub2 := keypair(t, td2)
// Verify should fail at first for both keys
mustErr(verify(pub1, imgName, true, nil, ""), t)
mustErr(verify(pub2, imgName, true, nil, ""), t)
// Now sign the image with one key
ko := sign.KeyOpts{KeyRef: priv1, PassFunc: passFunc}
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
// Now verify should work with that one, but not the other
must(verify(pub1, imgName, true, nil, ""), t)
mustErr(verify(pub2, imgName, true, nil, ""), t)
// Now sign with the other key too
ko.KeyRef = priv2
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
// Now verify should work with both
must(verify(pub1, imgName, true, nil, ""), t)
must(verify(pub2, imgName, true, nil, ""), t)
}
func TestSignBlob(t *testing.T) {
blob := "someblob"
td1 := t.TempDir()
td2 := t.TempDir()
t.Cleanup(func() {
os.RemoveAll(td1)
os.RemoveAll(td2)
})
bp := filepath.Join(td1, blob)
if err := os.WriteFile(bp, []byte(blob), 0644); err != nil {
t.Fatal(err)
}
_, privKeyPath1, pubKeyPath1 := keypair(t, td1)
_, _, pubKeyPath2 := keypair(t, td2)
ctx := context.Background()
ko1 := sign.KeyOpts{
KeyRef: pubKeyPath1,
}
ko2 := sign.KeyOpts{
KeyRef: pubKeyPath2,
}
// Verify should fail on a bad input
mustErr(cliverify.VerifyBlobCmd(ctx, ko1, "" /*certRef*/, "" /*certEmail*/, "" /*certOidcIssuer*/, "" /*certChain*/, "badsig", blob, false), t)
mustErr(cliverify.VerifyBlobCmd(ctx, ko2, "" /*certRef*/, "" /*certEmail*/, "" /*certOidcIssuer*/, "" /*certChain*/, "badsig", blob, false), t)
// Now sign the blob with one key
ko := sign.KeyOpts{
KeyRef: privKeyPath1,
PassFunc: passFunc,
}
sig, err := sign.SignBlobCmd(ro, ko, options.RegistryOptions{}, bp, true, "", "")
if err != nil {
t.Fatal(err)
}
// Now verify should work with that one, but not the other
must(cliverify.VerifyBlobCmd(ctx, ko1, "" /*certRef*/, "" /*certEmail*/, "" /*certOidcIssuer*/, "" /*certChain*/, string(sig), bp, false), t)
mustErr(cliverify.VerifyBlobCmd(ctx, ko2, "" /*certRef*/, "" /*certEmail*/, "" /*certOidcIssuer*/, "" /*certChain*/, string(sig), bp, false), t)
}
func TestSignBlobBundle(t *testing.T) {
blob := "someblob"
td1 := t.TempDir()
t.Cleanup(func() {
os.RemoveAll(td1)
})
bp := filepath.Join(td1, blob)
bundlePath := filepath.Join(td1, "bundle.sig")
if err := os.WriteFile(bp, []byte(blob), 0644); err != nil {
t.Fatal(err)
}
_, privKeyPath1, pubKeyPath1 := keypair(t, td1)
ctx := context.Background()
ko1 := sign.KeyOpts{
KeyRef: pubKeyPath1,
BundlePath: bundlePath,
}
// Verify should fail on a bad input
mustErr(cliverify.VerifyBlobCmd(ctx, ko1, "", "", "", "", "", blob, false), t)
// Now sign the blob with one key
ko := sign.KeyOpts{
KeyRef: privKeyPath1,
PassFunc: passFunc,
BundlePath: bundlePath,
RekorURL: rekorURL,
}
if _, err := sign.SignBlobCmd(ro, ko, options.RegistryOptions{}, bp, true, "", ""); err != nil {
t.Fatal(err)
}
// Now verify should work
must(cliverify.VerifyBlobCmd(ctx, ko1, "", "", "", "", "", bp, false), t)
// Now we turn on the tlog and sign again
defer setenv(t, options.ExperimentalEnv, "1")()
if _, err := sign.SignBlobCmd(ro, ko, options.RegistryOptions{}, bp, true, "", ""); err != nil {
t.Fatal(err)
}
// Point to a fake rekor server to make sure offline verification of the tlog entry works
os.Setenv(serverEnv, "notreal")
must(cliverify.VerifyBlobCmd(ctx, ko1, "", "", "", "", "", bp, false), t)
}
func TestGenerate(t *testing.T) {
repo, stop := reg(t)
defer stop()
imgName := path.Join(repo, "cosign-e2e")
_, desc, cleanup := mkimage(t, imgName)
defer cleanup()
// Generate the payload for the image, and check the digest.
b := bytes.Buffer{}
must(generate.GenerateCmd(context.Background(), options.RegistryOptions{}, imgName, nil, &b), t)
ss := payload.SimpleContainerImage{}
must(json.Unmarshal(b.Bytes(), &ss), t)
equals(desc.Digest.String(), ss.Critical.Image.DockerManifestDigest, t)
// Now try with some annotations.
b.Reset()
a := map[string]interface{}{"foo": "bar"}
must(generate.GenerateCmd(context.Background(), options.RegistryOptions{}, imgName, a, &b), t)
must(json.Unmarshal(b.Bytes(), &ss), t)
equals(desc.Digest.String(), ss.Critical.Image.DockerManifestDigest, t)
equals(ss.Optional["foo"], "bar", t)
}
func keypair(t *testing.T, td string) (*cosign.KeysBytes, string, string) {
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
if err := os.Chdir(td); err != nil {
t.Fatal(err)
}
defer func() {
os.Chdir(wd)
}()
keys, err := cosign.GenerateKeyPair(passFunc)
if err != nil {
t.Fatal(err)
}
privKeyPath := filepath.Join(td, "cosign.key")
if err := os.WriteFile(privKeyPath, keys.PrivateBytes, 0600); err != nil {
t.Fatal(err)
}
pubKeyPath := filepath.Join(td, "cosign.pub")
if err := os.WriteFile(pubKeyPath, keys.PublicBytes, 0600); err != nil {
t.Fatal(err)
}
return keys, privKeyPath, pubKeyPath
}
func importKeyPair(t *testing.T, td string) (*cosign.KeysBytes, string, string) {
const validrsa1 = `-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
if err := os.Chdir(td); err != nil {
t.Fatal(err)
}
defer func() {
os.Chdir(wd)
}()
err = os.WriteFile("validrsa1.key", []byte(validrsa1), 0600)
if err != nil {
t.Fatal(err)
}
keys, err := cosign.ImportKeyPair("validrsa1.key", passFunc)
if err != nil {
t.Fatal(err)
}
privKeyPath := filepath.Join(td, "import-cosign.key")
if err := os.WriteFile(privKeyPath, keys.PrivateBytes, 0600); err != nil {
t.Fatal(err)
}
pubKeyPath := filepath.Join(td, "import-cosign.pub")
if err := os.WriteFile(pubKeyPath, keys.PublicBytes, 0600); err != nil {
t.Fatal(err)
}
return keys, privKeyPath, pubKeyPath
}
func TestUploadDownload(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
ctx := context.Background()
testCases := map[string]struct {
signature string
signatureType attach.SignatureArgType
expectedErr bool
}{
"file containing signature": {
signature: "testsignaturefile",
signatureType: attach.FileSignature,
expectedErr: false,
},
"raw signature as argument": {
signature: "testsignatureraw",
signatureType: attach.RawSignature,
expectedErr: false,
},
"empty signature as argument": {
signature: "",
signatureType: attach.RawSignature,
expectedErr: true,
},
}
imgName := path.Join(repo, "cosign-e2e")
for testName, testCase := range testCases {
t.Run(testName, func(t *testing.T) {
ref, _, cleanup := mkimage(t, imgName)
payload := "testpayload"
payloadPath := mkfile(payload, td, t)
signature := base64.StdEncoding.EncodeToString([]byte(testCase.signature))
var sigRef string
if testCase.signatureType == attach.FileSignature {
sigRef = mkfile(signature, td, t)
} else {
sigRef = signature
}
// Upload it!
err := attach.SignatureCmd(ctx, options.RegistryOptions{}, sigRef, payloadPath, imgName)
if testCase.expectedErr {
mustErr(err, t)
} else {
must(err, t)
}
// Now download it!
se, err := ociremote.SignedEntity(ref, ociremote.WithRemoteOptions(registryClientOpts(ctx)...))
must(err, t)
sigs, err := se.Signatures()
must(err, t)
signatures, err := sigs.Get()
must(err, t)
if testCase.expectedErr {
if len(signatures) != 0 {
t.Fatalf("unexpected signatures %d, wanted 0", len(signatures))
}
} else {
if len(signatures) != 1 {
t.Fatalf("unexpected signatures %d, wanted 1", len(signatures))
}
if b64sig, err := signatures[0].Base64Signature(); err != nil {
t.Fatalf("Base64Signature() = %v", err)
} else if diff := cmp.Diff(b64sig, signature); diff != "" {
t.Error(diff)
}
if p, err := signatures[0].Payload(); err != nil {
t.Fatalf("Payload() = %v", err)
} else if diff := cmp.Diff(p, []byte(payload)); diff != "" {
t.Error(diff)
}
}
// Now delete it!
cleanup()
})
}
}
func TestUploadBlob(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
ctx := context.Background()
imgName := path.Join(repo, "/cosign-upload-e2e")
payload := "testpayload"
payloadPath := mkfile(payload, td, t)
// Upload it!
files := []cremote.File{cremote.FileFromFlag(payloadPath)}
must(upload.BlobCmd(ctx, options.RegistryOptions{}, files, "", imgName), t)
// Check it
ref, err := name.ParseReference(imgName)
if err != nil {
t.Fatal(err)
}
// Now download it with sget (this should fail by tag)
if err := sget.New(imgName, "", os.Stdout).Do(ctx); err == nil {
t.Error("expected download to fail")
}
img, err := remote.Image(ref)
if err != nil {
t.Fatal(err)
}
dgst, err := img.Digest()
if err != nil {
t.Fatal(err)
}
result := &bytes.Buffer{}
// But pass by digest
if err := sget.New(imgName+"@"+dgst.String(), "", result).Do(ctx); err != nil {
t.Fatal(err)
}
b, err := io.ReadAll(result)
if err != nil {
t.Fatal(err)
}
if string(b) != payload {
t.Errorf("expected contents to be %s, got %s", payload, string(b))
}
}
func TestSaveLoad(t *testing.T) {
tests := []struct {
description string
getSignedEntity func(t *testing.T, n string) (name.Reference, *remote.Descriptor, func())
}{
{
description: "save and load an image",
getSignedEntity: mkimage,
},
{
description: "save and load an image index",
getSignedEntity: mkimageindex,
},
}
for i, test := range tests {
t.Run(test.description, func(t *testing.T) {
repo, stop := reg(t)
defer stop()
keysDir := t.TempDir()
imgName := path.Join(repo, fmt.Sprintf("save-load-%d", i))
_, _, cleanup := test.getSignedEntity(t, imgName)
defer cleanup()
_, privKeyPath, pubKeyPath := keypair(t, keysDir)
ctx := context.Background()
// Now sign the image and verify it
ko := sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
must(verify(pubKeyPath, imgName, true, nil, ""), t)
// save the image to a temp dir
imageDir := t.TempDir()
must(cli.SaveCmd(ctx, options.SaveOptions{Directory: imageDir}, imgName), t)
// verify the local image using a local key
must(verifyLocal(pubKeyPath, imageDir, true, nil, ""), t)
// load the image from the temp dir into a new image and verify the new image
imgName2 := path.Join(repo, fmt.Sprintf("save-load-%d-2", i))
must(cli.LoadCmd(ctx, options.LoadOptions{Directory: imageDir}, imgName2), t)
must(verify(pubKeyPath, imgName2, true, nil, ""), t)
})
}
}
func TestSaveLoadAttestation(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "save-load")
_, _, cleanup := mkimage(t, imgName)
defer cleanup()
_, privKeyPath, pubKeyPath := keypair(t, td)
ctx := context.Background()
// Now sign the image and verify it
ko := sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
must(sign.SignCmd(ro, ko, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, ""), t)
must(verify(pubKeyPath, imgName, true, nil, ""), t)
// now, append an attestation to the image
slsaAttestation := `{ "builder": { "id": "2" }, "recipe": {} }`
slsaAttestationPath := filepath.Join(td, "attestation.slsa.json")
if err := os.WriteFile(slsaAttestationPath, []byte(slsaAttestation), 0600); err != nil {
t.Fatal(err)
}
// Now attest the image
ko = sign.KeyOpts{KeyRef: privKeyPath, PassFunc: passFunc}
must(attest.AttestCmd(ctx, ko, options.RegistryOptions{}, imgName, "", "", false, slsaAttestationPath, false,
"custom", false, 30*time.Second), t)
// save the image to a temp dir
imageDir := t.TempDir()
must(cli.SaveCmd(ctx, options.SaveOptions{Directory: imageDir}, imgName), t)
// load the image from the temp dir into a new image and verify the new image
imgName2 := path.Join(repo, "save-load-2")
must(cli.LoadCmd(ctx, options.LoadOptions{Directory: imageDir}, imgName2), t)
must(verify(pubKeyPath, imgName2, true, nil, ""), t)
// Use cue to verify attestation on the new image
policyPath := filepath.Join(td, "policy.cue")
verifyAttestation := cliverify.VerifyAttestationCommand{
KeyRef: pubKeyPath,
}
verifyAttestation.PredicateType = "slsaprovenance"
verifyAttestation.Policies = []string{policyPath}
// Success case (remote)
cuePolicy := `builder: id: "2"`
if err := os.WriteFile(policyPath, []byte(cuePolicy), 0600); err != nil {
t.Fatal(err)
}
must(verifyAttestation.Exec(ctx, []string{imgName2}), t)
// Success case (local)
verifyAttestation.LocalImage = true
must(verifyAttestation.Exec(ctx, []string{imageDir}), t)
}
func TestAttachSBOM(t *testing.T) {
repo, stop := reg(t)
defer stop()
ctx := context.Background()
imgName := path.Join(repo, "sbom-image")
img, _, cleanup := mkimage(t, imgName)
defer cleanup()
out := bytes.Buffer{}
_, err := download.SBOMCmd(ctx, options.RegistryOptions{}, img.Name(), &out)
if err == nil {
t.Fatal("Expected error")
}
t.Log(out.String())
out.Reset()
// Upload it!
must(attach.SBOMCmd(ctx, options.RegistryOptions{}, "./testdata/bom-go-mod.spdx", "spdx", imgName), t)
sboms, err := download.SBOMCmd(ctx, options.RegistryOptions{}, imgName, &out)
if err != nil {
t.Fatal(err)
}
t.Log(out.String())
if len(sboms) != 1 {
t.Fatalf("Expected one sbom, got %d", len(sboms))
}
want, err := os.ReadFile("./testdata/bom-go-mod.spdx")
if err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(string(want), sboms[0]); diff != "" {
t.Errorf("diff: %s", diff)
}
// Generate key pairs to sign the sbom
td1 := t.TempDir()
td2 := t.TempDir()
_, privKeyPath1, pubKeyPath1 := keypair(t, td1)
_, _, pubKeyPath2 := keypair(t, td2)
// Verify should fail on a bad input
mustErr(verify(pubKeyPath1, imgName, true, nil, "sbom"), t)
mustErr(verify(pubKeyPath2, imgName, true, nil, "sbom"), t)
// Now sign the sbom with one key
ko1 := sign.KeyOpts{KeyRef: privKeyPath1, PassFunc: passFunc}
must(sign.SignCmd(ro, ko1, options.RegistryOptions{}, nil, []string{imgName}, "", "", true, "", "", "", false, false, "sbom"), t)
// Now verify should work with that one, but not the other
must(verify(pubKeyPath1, imgName, true, nil, "sbom"), t)
mustErr(verify(pubKeyPath2, imgName, true, nil, "sbom"), t)
}
func setenv(t *testing.T, k, v string) func() {
if err := os.Setenv(k, v); err != nil {
t.Fatalf("error setting env: %v", err)
}
return func() {
os.Unsetenv(k)
}
}
func TestTlog(t *testing.T) {
repo, stop := reg(t)
defer stop()
td := t.TempDir()
imgName := path.Join(repo, "cosign-e2e")
_, _, cleanup := mkimage(t, imgName)
defer cleanup()