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namespace.go
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namespace.go
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package vulnerability
import (
"fmt"
"strings"
"github.com/anchore/grype/internal"
"github.com/anchore/syft/syft/distro"
"github.com/anchore/syft/syft/pkg"
)
type namer func(p *pkg.Package) []string
func defaultNamer(p *pkg.Package) []string {
return []string{p.Name}
}
func githubJavaNamer(p *pkg.Package) []string {
names := internal.NewStringSet()
// all github advisories are stored by "<group-name>:<artifact-name>"
if metadata, ok := p.Metadata.(pkg.JavaMetadata); ok {
if metadata.PomProperties != nil {
names.Add(fmt.Sprintf("%s:%s", metadata.PomProperties.GroupID, metadata.PomProperties.ArtifactID))
if metadata.Manifest != nil {
if name, ok := metadata.Manifest.Main["Name"]; ok {
names.Add(fmt.Sprintf("%s:%s", metadata.PomProperties.GroupID, name))
}
}
}
}
return names.ToSlice()
}
// TODO: expand with namer mapping to be more generic?
func distroNamespace(d distro.Distro) string {
// TODO: can we drive this from information from grype-db? that would be ideal...
var distroStr string
switch d.Type {
case distro.CentOS, distro.RedHat:
distroStr = "rhel"
case distro.AmazonLinux:
distroStr = "amzn"
case distro.OracleLinux:
distroStr = "ol"
case distro.Alpine:
// XXX this assumes that a major and minor versions will always exist in Segments
segments := d.Version.Segments()
return fmt.Sprintf("%s:%d.%d", d.Type.String(), segments[0], segments[1])
default:
distroStr = d.Type.String()
}
return fmt.Sprintf("%s:%s", strings.ToLower(distroStr), d.FullVersion())
}
func languageNamespaces(l pkg.Language) map[string]namer {
namespaces := make(map[string]namer)
// TODO: can we drive this from information from grype-db? that would be ideal...
switch l {
case pkg.Ruby:
namespaces["github:gem"] = defaultNamer
case pkg.Java:
namespaces["github:java"] = githubJavaNamer
case pkg.JavaScript:
namespaces["github:npm"] = defaultNamer
case pkg.Python:
namespaces["github:python"] = defaultNamer
}
return namespaces
}
func cpeNamespaces() []string {
return []string{"nvd"}
}