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Add support for OCI Referrers and fallback (#50)

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* Add support for OCI Referrers and fallback
This commit is contained in:
James Carnegie
2024-06-13 16:10:41 +01:00
committed by GitHub
parent e120439035
commit 8ba9656645
15 changed files with 463 additions and 67 deletions
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40
internal/test/test.go
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@@ -96,23 +96,8 @@ type AnnotatedStatement struct {
Annotations map[string]string
}
func ExtractAnnotatedStatements(path string, mediaType string) ([]*AnnotatedStatement, error) {
idx, err := layout.ImageIndexFromPath(path)
if err != nil {
return nil, fmt.Errorf("failed to load image index: %w", err)
}
idxm, err := idx.IndexManifest()
if err != nil {
return nil, fmt.Errorf("failed to get digest: %w", err)
}
idxDigest := idxm.Manifests[0].Digest
mfs, err := idx.ImageIndex(idxDigest)
if err != nil {
return nil, fmt.Errorf("failed to extract ImageIndex for digest %s: %w", idxDigest.String(), err)
}
mfs2, err := mfs.IndexManifest()
func ExtractStatementsFromIndex(idx v1.ImageIndex, mediaType string) ([]*AnnotatedStatement, error) {
mfs2, err := idx.IndexManifest()
if err != nil {
return nil, fmt.Errorf("failed to extract IndexManifest from ImageIndex: %w", err)
}
@@ -124,7 +109,7 @@ func ExtractAnnotatedStatements(path string, mediaType string) ([]*AnnotatedStat
continue
}
attestationImage, err := mfs.Image(mf.Digest)
attestationImage, err := idx.Image(mf.Digest)
if err != nil {
return nil, fmt.Errorf("failed to extract attestation image with digest %s: %w", mf.Digest.String(), err)
}
@@ -189,3 +174,22 @@ func ExtractAnnotatedStatements(path string, mediaType string) ([]*AnnotatedStat
}
return statements, nil
}
func ExtractAnnotatedStatements(path string, mediaType string) ([]*AnnotatedStatement, error) {
idx, err := layout.ImageIndexFromPath(path)
if err != nil {
return nil, fmt.Errorf("failed to load image index: %w", err)
}
idxm, err := idx.IndexManifest()
if err != nil {
return nil, fmt.Errorf("failed to get digest: %w", err)
}
idxDigest := idxm.Manifests[0].Digest
mfs, err := idx.ImageIndex(idxDigest)
if err != nil {
return nil, fmt.Errorf("failed to extract ImageIndex for digest %s: %w", idxDigest.String(), err)
}
return ExtractStatementsFromIndex(mfs, mediaType)
}