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Update vendoring via vndr
This commit is contained in:
Alex Ellis
184
gateway/vendor/github.com/docker/distribution/manifest/schema1/manifest.go
generated
vendored
184
gateway/vendor/github.com/docker/distribution/manifest/schema1/manifest.go
generated
vendored
@ -1,184 +0,0 @@
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package schema1
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import (
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"encoding/json"
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"fmt"
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"github.com/docker/distribution"
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"github.com/docker/distribution/manifest"
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"github.com/docker/libtrust"
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"github.com/opencontainers/go-digest"
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)
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const (
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// MediaTypeManifest specifies the mediaType for the current version. Note
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// that for schema version 1, the the media is optionally "application/json".
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MediaTypeManifest = "application/vnd.docker.distribution.manifest.v1+json"
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// MediaTypeSignedManifest specifies the mediatype for current SignedManifest version
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MediaTypeSignedManifest = "application/vnd.docker.distribution.manifest.v1+prettyjws"
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// MediaTypeManifestLayer specifies the media type for manifest layers
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MediaTypeManifestLayer = "application/vnd.docker.container.image.rootfs.diff+x-gtar"
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)
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var (
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// SchemaVersion provides a pre-initialized version structure for this
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// packages version of the manifest.
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SchemaVersion = manifest.Versioned{
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SchemaVersion: 1,
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}
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)
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func init() {
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schema1Func := func(b []byte) (distribution.Manifest, distribution.Descriptor, error) {
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sm := new(SignedManifest)
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err := sm.UnmarshalJSON(b)
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if err != nil {
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return nil, distribution.Descriptor{}, err
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}
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desc := distribution.Descriptor{
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Digest: digest.FromBytes(sm.Canonical),
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Size: int64(len(sm.Canonical)),
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MediaType: MediaTypeSignedManifest,
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}
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return sm, desc, err
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}
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err := distribution.RegisterManifestSchema(MediaTypeSignedManifest, schema1Func)
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if err != nil {
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panic(fmt.Sprintf("Unable to register manifest: %s", err))
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}
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err = distribution.RegisterManifestSchema("", schema1Func)
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if err != nil {
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panic(fmt.Sprintf("Unable to register manifest: %s", err))
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}
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err = distribution.RegisterManifestSchema("application/json", schema1Func)
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if err != nil {
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panic(fmt.Sprintf("Unable to register manifest: %s", err))
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}
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}
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// FSLayer is a container struct for BlobSums defined in an image manifest
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type FSLayer struct {
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// BlobSum is the tarsum of the referenced filesystem image layer
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BlobSum digest.Digest `json:"blobSum"`
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}
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// History stores unstructured v1 compatibility information
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type History struct {
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// V1Compatibility is the raw v1 compatibility information
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V1Compatibility string `json:"v1Compatibility"`
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}
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// Manifest provides the base accessible fields for working with V2 image
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// format in the registry.
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type Manifest struct {
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manifest.Versioned
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// Name is the name of the image's repository
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Name string `json:"name"`
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// Tag is the tag of the image specified by this manifest
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Tag string `json:"tag"`
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// Architecture is the host architecture on which this image is intended to
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// run
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Architecture string `json:"architecture"`
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// FSLayers is a list of filesystem layer blobSums contained in this image
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FSLayers []FSLayer `json:"fsLayers"`
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// History is a list of unstructured historical data for v1 compatibility
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History []History `json:"history"`
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}
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// SignedManifest provides an envelope for a signed image manifest, including
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// the format sensitive raw bytes.
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type SignedManifest struct {
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Manifest
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// Canonical is the canonical byte representation of the ImageManifest,
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// without any attached signatures. The manifest byte
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// representation cannot change or it will have to be re-signed.
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Canonical []byte `json:"-"`
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// all contains the byte representation of the Manifest including signatures
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// and is returned by Payload()
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all []byte
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}
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// UnmarshalJSON populates a new SignedManifest struct from JSON data.
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func (sm *SignedManifest) UnmarshalJSON(b []byte) error {
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sm.all = make([]byte, len(b), len(b))
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// store manifest and signatures in all
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copy(sm.all, b)
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jsig, err := libtrust.ParsePrettySignature(b, "signatures")
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if err != nil {
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return err
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}
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// Resolve the payload in the manifest.
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bytes, err := jsig.Payload()
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if err != nil {
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return err
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}
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// sm.Canonical stores the canonical manifest JSON
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sm.Canonical = make([]byte, len(bytes), len(bytes))
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copy(sm.Canonical, bytes)
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// Unmarshal canonical JSON into Manifest object
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var manifest Manifest
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if err := json.Unmarshal(sm.Canonical, &manifest); err != nil {
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return err
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}
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sm.Manifest = manifest
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return nil
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}
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// References returnes the descriptors of this manifests references
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func (sm SignedManifest) References() []distribution.Descriptor {
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dependencies := make([]distribution.Descriptor, len(sm.FSLayers))
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for i, fsLayer := range sm.FSLayers {
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dependencies[i] = distribution.Descriptor{
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MediaType: "application/vnd.docker.container.image.rootfs.diff+x-gtar",
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Digest: fsLayer.BlobSum,
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}
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}
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return dependencies
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}
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// MarshalJSON returns the contents of raw. If Raw is nil, marshals the inner
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// contents. Applications requiring a marshaled signed manifest should simply
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// use Raw directly, since the the content produced by json.Marshal will be
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// compacted and will fail signature checks.
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func (sm *SignedManifest) MarshalJSON() ([]byte, error) {
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if len(sm.all) > 0 {
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return sm.all, nil
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}
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// If the raw data is not available, just dump the inner content.
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return json.Marshal(&sm.Manifest)
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}
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// Payload returns the signed content of the signed manifest.
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func (sm SignedManifest) Payload() (string, []byte, error) {
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return MediaTypeSignedManifest, sm.all, nil
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}
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// Signatures returns the signatures as provided by
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// (*libtrust.JSONSignature).Signatures. The byte slices are opaque jws
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// signatures.
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func (sm *SignedManifest) Signatures() ([][]byte, error) {
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jsig, err := libtrust.ParsePrettySignature(sm.all, "signatures")
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if err != nil {
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return nil, err
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}
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// Resolve the payload in the manifest.
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return jsig.Signatures()
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}
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