distribution/manifest/schema1/manifest_test.go
Richard Scothern dd32fbe615 Before allowing a schema1 manifest to be stored in the registry, ensure that it
contains equal length History and FSLayer arrays.

This is required to prevent malformed manifests being put to the registry and
failing external verification checks.

Signed-off-by: Richard Scothern <richard.scothern@gmail.com>
2015-11-03 15:19:46 -08:00

136 lines
2.7 KiB
Go

package schema1
import (
"bytes"
"encoding/json"
"reflect"
"testing"
"github.com/docker/libtrust"
)
type testEnv struct {
name, tag string
invalidSigned *SignedManifest
signed *SignedManifest
pk libtrust.PrivateKey
}
func TestManifestMarshaling(t *testing.T) {
env := genEnv(t)
// Check that the Raw field is the same as json.MarshalIndent with these
// parameters.
p, err := json.MarshalIndent(env.signed, "", " ")
if err != nil {
t.Fatalf("error marshaling manifest: %v", err)
}
if !bytes.Equal(p, env.signed.Raw) {
t.Fatalf("manifest bytes not equal: %q != %q", string(env.signed.Raw), string(p))
}
}
func TestManifestUnmarshaling(t *testing.T) {
env := genEnv(t)
var signed SignedManifest
if err := json.Unmarshal(env.signed.Raw, &signed); err != nil {
t.Fatalf("error unmarshaling signed manifest: %v", err)
}
if !reflect.DeepEqual(&signed, env.signed) {
t.Fatalf("manifests are different after unmarshaling: %v != %v", signed, env.signed)
}
}
func TestManifestVerification(t *testing.T) {
env := genEnv(t)
publicKeys, err := Verify(env.signed)
if err != nil {
t.Fatalf("error verifying manifest: %v", err)
}
if len(publicKeys) == 0 {
t.Fatalf("no public keys found in signature")
}
var found bool
publicKey := env.pk.PublicKey()
// ensure that one of the extracted public keys matches the private key.
for _, candidate := range publicKeys {
if candidate.KeyID() == publicKey.KeyID() {
found = true
break
}
}
if !found {
t.Fatalf("expected public key, %v, not found in verified keys: %v", publicKey, publicKeys)
}
// Check that an invalid manifest fails verification
_, err = Verify(env.invalidSigned)
if err != nil {
t.Fatalf("Invalid manifest should not pass Verify()")
}
}
func genEnv(t *testing.T) *testEnv {
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("error generating test key: %v", err)
}
name, tag := "foo/bar", "test"
invalid := Manifest{
Versioned: SchemaVersion,
Name: name,
Tag: tag,
FSLayers: []FSLayer{
{
BlobSum: "asdf",
},
{
BlobSum: "qwer",
},
},
}
valid := Manifest{
Versioned: SchemaVersion,
Name: name,
Tag: tag,
FSLayers: []FSLayer{
{
BlobSum: "asdf",
},
},
History: []History{
{
V1Compatibility: "",
},
},
}
sm, err := Sign(&valid, pk)
if err != nil {
t.Fatalf("error signing manifest: %v", err)
}
invalidSigned, err := Sign(&invalid, pk)
if err != nil {
t.Fatalf("error signing manifest: %v", err)
}
return &testEnv{
name: name,
tag: tag,
invalidSigned: invalidSigned,
signed: sm,
pk: pk,
}
}