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inspect: parse sbom and provenance into json structs

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Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
2023-01-09 18:09:43 +00:00
parent 19d16aa941
commit e68c566c1c
2 changed files with 49 additions and 37 deletions
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38
util/imagetools/loader.go
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@ -46,9 +46,9 @@ type index struct {
}
type asset struct {
config *ocispec.Image
sbom *sbomStub
slsa *slsaStub
config *ocispec.Image
sbom *sbomStub
provenance *provenanceStub
}
type result struct {
@ -255,7 +255,7 @@ func (l *loader) scanConfig(ctx context.Context, fetcher remotes.Fetcher, desc o
}
type sbomStub struct {
SPDX json.RawMessage `json:",omitempty"`
SPDX interface{} `json:",omitempty"`
}
func (l *loader) scanSBOM(ctx context.Context, fetcher remotes.Fetcher, r *result, refs []digest.Digest, as *asset) error {
@ -275,8 +275,14 @@ func (l *loader) scanSBOM(ctx context.Context, fetcher remotes.Fetcher, r *resul
if err != nil {
return err
}
var spdx struct {
Predicate interface{} `json:"predicate"`
}
if err := json.Unmarshal(dt, &spdx); err != nil {
return err
}
as.sbom = &sbomStub{
SPDX: dt,
SPDX: spdx.Predicate,
}
break
}
@ -285,8 +291,8 @@ func (l *loader) scanSBOM(ctx context.Context, fetcher remotes.Fetcher, r *resul
return nil
}
type slsaStub struct {
Provenance json.RawMessage `json:",omitempty"`
type provenanceStub struct {
SLSA interface{} `json:",omitempty"`
}
func (l *loader) scanProvenance(ctx context.Context, fetcher remotes.Fetcher, r *result, refs []digest.Digest, as *asset) error {
@ -306,8 +312,14 @@ func (l *loader) scanProvenance(ctx context.Context, fetcher remotes.Fetcher, r
if err != nil {
return err
}
as.slsa = &slsaStub{
Provenance: dt,
var slsa struct {
Predicate interface{} `json:"predicate"`
}
if err := json.Unmarshal(dt, &slsa); err != nil {
return err
}
as.provenance = &provenanceStub{
SLSA: slsa.Predicate,
}
break
}
@ -330,16 +342,16 @@ func (r *result) Configs() map[string]*ocispec.Image {
return res
}
func (r *result) SLSA() map[string]slsaStub {
func (r *result) Provenance() map[string]provenanceStub {
if len(r.assets) == 0 {
return nil
}
res := make(map[string]slsaStub)
res := make(map[string]provenanceStub)
for p, a := range r.assets {
if a.slsa == nil {
if a.provenance == nil {
continue
}
res[p] = *a.slsa
res[p] = *a.provenance
}
return res
}