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external_refs.go
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/
external_refs.go
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package spdxhelpers
import (
"github.com/anchore/syft/internal/formats/spdx22json/model"
"github.com/anchore/syft/internal/log"
"github.com/anchore/syft/syft/pkg"
)
func ExternalRefs(p *pkg.Package) (externalRefs []model.ExternalRef) {
externalRefs = make([]model.ExternalRef, 0)
for _, c := range p.CPEs {
externalRefs = append(externalRefs, model.ExternalRef{
ReferenceCategory: model.SecurityReferenceCategory,
ReferenceLocator: c.BindToFmtString(),
ReferenceType: model.Cpe23ExternalRefType,
})
}
if p.PURL != "" {
externalRefs = append(externalRefs, model.ExternalRef{
ReferenceCategory: model.PackageManagerReferenceCategory,
ReferenceLocator: p.PURL,
ReferenceType: model.PurlExternalRefType,
})
}
return externalRefs
}
func ExtractPURL(refs []model.ExternalRef) string {
for _, r := range refs {
if r.ReferenceType == model.PurlExternalRefType {
return r.ReferenceLocator
}
}
return ""
}
func ExtractCPEs(refs []model.ExternalRef) (cpes []pkg.CPE) {
for _, r := range refs {
if r.ReferenceType == model.Cpe23ExternalRefType {
cpe, err := pkg.NewCPE(r.ReferenceLocator)
if err != nil {
log.Warnf("unable to extract SPDX CPE=%q: %+v", r.ReferenceLocator, err)
continue
}
cpes = append(cpes, cpe)
}
}
return cpes
}