mirror of
https://github.com/anchore/syft.git
synced 2025-11-21 02:13:17 +01:00
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package cataloger
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import (
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"regexp"
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"strings"
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"github.com/anchore/packageurl-go"
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"github.com/anchore/syft/syft/distro"
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"github.com/anchore/syft/syft/pkg"
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)
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// generatePackageURL returns a package-URL representation of the given package (see https://github.com/package-url/purl-spec)
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func generatePackageURL(p pkg.Package, d *distro.Distro) string {
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// default to pURLs on the metadata
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if p.Metadata != nil {
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if i, ok := p.Metadata.(interface{ PackageURL() string }); ok {
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return i.PackageURL()
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} else if i, ok := p.Metadata.(interface{ PackageURL(*distro.Distro) string }); ok {
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return i.PackageURL(d)
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}
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}
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var purlType = p.Type.PackageURLType()
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var name = p.Name
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var namespace = ""
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switch {
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case purlType == "":
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// there is no purl type, don't attempt to craft a purl
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// TODO: should this be a "generic" purl type instead?
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return ""
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case p.Type == pkg.GoModulePkg:
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re := regexp.MustCompile(`(/)[^/]*$`)
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fields := re.Split(p.Name, -1)
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namespace = fields[0]
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name = strings.TrimPrefix(p.Name, namespace+"/")
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}
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// generate a purl from the package data
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pURL := packageurl.NewPackageURL(
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purlType,
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namespace,
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name,
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p.Version,
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nil,
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"")
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return pURL.ToString()
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}
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