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Merge pull request #633 from RichardScothern/manifest-verification

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External manifest verification
This commit is contained in:
Stephen Day 2015-07-15 13:00:05 -07:00
commit c958371f4b
7 changed files with 103 additions and 41 deletions
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10
docs/client/repository.go
View file

@ -70,18 +70,20 @@ func (r *repository) Blobs(ctx context.Context) distribution.BlobStore {
}
}
func (r *repository) Manifests() distribution.ManifestService {
func (r *repository) Manifests(ctx context.Context, options ...distribution.ManifestServiceOption) (distribution.ManifestService, error) {
// todo(richardscothern): options should be sent over the wire
return &manifests{
name: r.Name(),
ub: r.ub,
client: r.client,
etags: make(map[string]string),
}
}, nil
}
func (r *repository) Signatures() distribution.SignatureService {
ms, _ := r.Manifests(r.context)
return &signatures{
manifests: r.Manifests(),
manifests: ms,
}
}
@ -236,6 +238,8 @@ func (ms *manifests) Put(m *manifest.SignedManifest) error {
return err
}
// todo(richardscothern): do something with options here when they become applicable
putRequest, err := http.NewRequest("PUT", manifestURL, bytes.NewReader(m.Raw))
if err != nil {
return err

36
docs/client/repository_test.go
View file

@ -492,6 +492,7 @@ func checkEqualManifest(m1, m2 *manifest.SignedManifest) error {
}
func TestManifestFetch(t *testing.T) {
ctx := context.Background()
repo := "test.example.com/repo"
m1, dgst := newRandomSchemaV1Manifest(repo, "latest", 6)
var m testutil.RequestResponseMap
@ -504,7 +505,10 @@ func TestManifestFetch(t *testing.T) {
if err != nil {
t.Fatal(err)
}
ms := r.Manifests()
ms, err := r.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
ok, err := ms.Exists(dgst)
if err != nil {
@ -536,8 +540,12 @@ func TestManifestFetchWithEtag(t *testing.T) {
if err != nil {
t.Fatal(err)
}
ctx := context.Background()
ms, err := r.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
ms := r.Manifests()
m2, err := ms.GetByTag("latest", AddEtagToTag("latest", d1.String()))
if err != nil {
t.Fatal(err)
@ -572,8 +580,12 @@ func TestManifestDelete(t *testing.T) {
if err != nil {
t.Fatal(err)
}
ctx := context.Background()
ms, err := r.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
ms := r.Manifests()
if err := ms.Delete(dgst1); err != nil {
t.Fatal(err)
}
@ -609,8 +621,12 @@ func TestManifestPut(t *testing.T) {
if err != nil {
t.Fatal(err)
}
ctx := context.Background()
ms, err := r.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
ms := r.Manifests()
if err := ms.Put(m1); err != nil {
t.Fatal(err)
}
@ -653,8 +669,12 @@ func TestManifestTags(t *testing.T) {
if err != nil {
t.Fatal(err)
}
ctx := context.Background()
ms, err := r.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
ms := r.Manifests()
tags, err := ms.Tags()
if err != nil {
t.Fatal(err)
@ -691,7 +711,11 @@ func TestManifestUnauthorized(t *testing.T) {
if err != nil {
t.Fatal(err)
}
ms := r.Manifests()
ctx := context.Background()
ms, err := r.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
_, err = ms.Get(dgst)
if err == nil {

19
docs/handlers/images.go
View file

@ -50,13 +50,13 @@ type imageManifestHandler struct {
// GetImageManifest fetches the image manifest from the storage backend, if it exists.
func (imh *imageManifestHandler) GetImageManifest(w http.ResponseWriter, r *http.Request) {
ctxu.GetLogger(imh).Debug("GetImageManifest")
manifests := imh.Repository.Manifests()
var (
sm *manifest.SignedManifest
err error
)
manifests, err := imh.Repository.Manifests(imh)
if err != nil {
imh.Errors = append(imh.Errors, err)
return
}
var sm *manifest.SignedManifest
if imh.Tag != "" {
sm, err = manifests.GetByTag(imh.Tag)
} else {
@ -106,7 +106,12 @@ func etagMatch(r *http.Request, etag string) bool {
// PutImageManifest validates and stores and image in the registry.
func (imh *imageManifestHandler) PutImageManifest(w http.ResponseWriter, r *http.Request) {
ctxu.GetLogger(imh).Debug("PutImageManifest")
manifests := imh.Repository.Manifests()
manifests, err := imh.Repository.Manifests(imh)
if err != nil {
imh.Errors = append(imh.Errors, err)
return
}
dec := json.NewDecoder(r.Body)
var manifest manifest.SignedManifest

6
docs/handlers/tags.go
View file

@ -34,7 +34,11 @@ type tagsAPIResponse struct {
// GetTags returns a json list of tags for a specific image name.
func (th *tagsHandler) GetTags(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
manifests := th.Repository.Manifests()
manifests, err := th.Repository.Manifests(th)
if err != nil {
th.Errors = append(th.Errors, err)
return
}
tags, err := manifests.Tags()
if err != nil {

15
docs/storage/manifeststore.go
View file

@ -15,6 +15,7 @@ type manifestStore struct {
revisionStore *revisionStore
tagStore *tagStore
ctx context.Context
skipDependencyVerification bool
}
var _ distribution.ManifestService = &manifestStore{}
@ -39,10 +40,19 @@ func (ms *manifestStore) Get(dgst digest.Digest) (*manifest.SignedManifest, erro
return ms.revisionStore.get(ms.ctx, dgst)
}
// SkipLayerVerification allows a manifest to be Put before it's
// layers are on the filesystem
func SkipLayerVerification(ms distribution.ManifestService) error {
if ms, ok := ms.(*manifestStore); ok {
ms.skipDependencyVerification = true
return nil
}
return fmt.Errorf("skip layer verification only valid for manifeststore")
}
func (ms *manifestStore) Put(manifest *manifest.SignedManifest) error {
context.GetLogger(ms.ctx).Debug("(*manifestStore).Put")
// Verify the manifest.
if err := ms.verifyManifest(ms.ctx, manifest); err != nil {
return err
}
@ -113,6 +123,7 @@ func (ms *manifestStore) verifyManifest(ctx context.Context, mnfst *manifest.Sig
}
}
if !ms.skipDependencyVerification {
for _, fsLayer := range mnfst.FSLayers {
_, err := ms.repository.Blobs(ctx).Stat(ctx, fsLayer.BlobSum)
if err != nil {
@ -124,7 +135,7 @@ func (ms *manifestStore) verifyManifest(ctx context.Context, mnfst *manifest.Sig
errs = append(errs, distribution.ErrManifestBlobUnknown{Digest: fsLayer.BlobSum})
}
}
}
if len(errs) != 0 {
return errs
}

12
docs/storage/manifeststore_test.go
View file

@ -48,7 +48,11 @@ func newManifestStoreTestEnv(t *testing.T, name, tag string) *manifestStoreTestE
func TestManifestStorage(t *testing.T) {
env := newManifestStoreTestEnv(t, "foo/bar", "thetag")
ms := env.repository.Manifests()
ctx := context.Background()
ms, err := env.repository.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
exists, err := ms.ExistsByTag(env.tag)
if err != nil {
@ -97,14 +101,14 @@ func TestManifestStorage(t *testing.T) {
t.Fatalf("unexpected error generating private key: %v", err)
}
sm, err := manifest.Sign(&m, pk)
if err != nil {
sm, merr := manifest.Sign(&m, pk)
if merr != nil {
t.Fatalf("error signing manifest: %v", err)
}
err = ms.Put(sm)
if err == nil {
t.Fatalf("expected errors putting manifest")
t.Fatalf("expected errors putting manifest with full verification")
}
switch err := err.(type) {

22
docs/storage/registry.go
View file

@ -99,15 +99,15 @@ func (repo *repository) Name() string {
// Manifests returns an instance of ManifestService. Instantiation is cheap and
// may be context sensitive in the future. The instance should be used similar
// to a request local.
func (repo *repository) Manifests() distribution.ManifestService {
return &manifestStore{
ctx: repo.ctx,
func (repo *repository) Manifests(ctx context.Context, options ...distribution.ManifestServiceOption) (distribution.ManifestService, error) {
ms := &manifestStore{
ctx: ctx,
repository: repo,
revisionStore: &revisionStore{
ctx: repo.ctx,
ctx: ctx,
repository: repo,
blobStore: &linkedBlobStore{
ctx: repo.ctx,
ctx: ctx,
blobStore: repo.blobStore,
repository: repo,
statter: &linkedBlobStatter{
@ -122,11 +122,21 @@ func (repo *repository) Manifests() distribution.ManifestService {
},
},
tagStore: &tagStore{
ctx: repo.ctx,
ctx: ctx,
repository: repo,
blobStore: repo.registry.blobStore,
},
}
// Apply options
for _, option := range options {
err := option(ms)
if err != nil {
return nil, err
}
}
return ms, nil
}
// Blobs returns an instance of the BlobStore. Instantiation is cheap and