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kyverno/pkg/images/verifier.go
Vishal Choudhary 5882ed32a3
refactor: common remote authenticator for notary and cosign (#8494)
* refactor: common remote authenticator for notary and cosign

Signed-off-by: Vishal Choudhary <sendtovishalchoudhary@gmail.com>

* fix: add user agent

Signed-off-by: Vishal Choudhary <sendtovishalchoudhary@gmail.com>

* refactor: move getGCRRemoteOption out of BuildGCRRemoteOption

Signed-off-by: Vishal Choudhary <sendtovishalchoudhary@gmail.com>

---------

Signed-off-by: Vishal Choudhary <sendtovishalchoudhary@gmail.com>
Co-authored-by: shuting <shuting@nirmata.com>
2023-10-09 09:07:00 +00:00

52 lines
1.5 KiB
Go

package images
import (
"context"
"github.com/google/go-containerregistry/pkg/authn"
gcrremote "github.com/google/go-containerregistry/pkg/v1/remote"
"github.com/sigstore/cosign/v2/pkg/oci/remote"
)
type ImageVerifier interface {
// VerifySignature verifies that the image has the expected signatures
VerifySignature(ctx context.Context, opts Options) (*Response, error)
// FetchAttestations retrieves signed attestations and decodes them into in-toto statements
// https://github.com/in-toto/attestation/blob/main/spec/README.md#statement
FetchAttestations(ctx context.Context, opts Options) (*Response, error)
}
type Client interface {
Keychain() authn.Keychain
BuildCosignRemoteOption(context.Context) (remote.Option, error)
BuildGCRRemoteOption(context.Context) ([]gcrremote.Option, error)
}
type Options struct {
ImageRef string
Client Client
FetchAttestations bool
Key string
Cert string
CertChain string
Roots string
Subject string
Issuer string
AdditionalExtensions map[string]string
Annotations map[string]string
Repository string
IgnoreTlog bool
RekorURL string
RekorPubKey string
IgnoreSCT bool
CTLogsPubKey string
SignatureAlgorithm string
PredicateType string
Type string
Identities string
}
type Response struct {
Digest string
Statements []map[string]interface{}
}