From eb28a1c08469d56494006d0f2c64933ab7078d01 Mon Sep 17 00:00:00 2001 From: Paul Holzinger Date: Thu, 8 Sep 2022 15:32:44 +0200 Subject: update buildah and c/common to latest also includes bumps for c/storage and c/image Signed-off-by: Paul Holzinger --- .../google/go-containerregistry/pkg/name/digest.go | 27 ++++++++++------------ 1 file changed, 12 insertions(+), 15 deletions(-) (limited to 'vendor/github.com/google/go-containerregistry/pkg/name') diff --git a/vendor/github.com/google/go-containerregistry/pkg/name/digest.go b/vendor/github.com/google/go-containerregistry/pkg/name/digest.go index e465aef49..c4a2e693e 100644 --- a/vendor/github.com/google/go-containerregistry/pkg/name/digest.go +++ b/vendor/github.com/google/go-containerregistry/pkg/name/digest.go @@ -15,16 +15,14 @@ package name import ( + _ "crypto/sha256" // Recommended by go-digest. "strings" -) -const ( - // These have the form: sha256: - // TODO(dekkagaijin): replace with opencontainers/go-digest or docker/distribution's validation. - digestChars = "sh:0123456789abcdef" - digestDelim = "@" + "github.com/opencontainers/go-digest" ) +const digestDelim = "@" + // Digest stores a digest name in a structured form. type Digest struct { Repository @@ -60,10 +58,6 @@ func (d Digest) String() string { return d.original } -func checkDigest(name string) error { - return checkElement("digest", name, digestChars, 7+64, 7+64) -} - // NewDigest returns a new Digest representing the given name. func NewDigest(name string, opts ...Option) (Digest, error) { // Split on "@" @@ -72,10 +66,13 @@ func NewDigest(name string, opts ...Option) (Digest, error) { return Digest{}, newErrBadName("a digest must contain exactly one '@' separator (e.g. registry/repository@digest) saw: %s", name) } base := parts[0] - digest := parts[1] - - // Always check that the digest is valid. - if err := checkDigest(digest); err != nil { + dig := parts[1] + prefix := digest.Canonical.String() + ":" + if !strings.HasPrefix(dig, prefix) { + return Digest{}, newErrBadName("unsupported digest algorithm: %s", dig) + } + hex := strings.TrimPrefix(dig, prefix) + if err := digest.Canonical.Validate(hex); err != nil { return Digest{}, err } @@ -90,7 +87,7 @@ func NewDigest(name string, opts ...Option) (Digest, error) { } return Digest{ Repository: repo, - digest: digest, + digest: dig, original: name, }, nil } -- cgit v1.2.3-54-g00ecf