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add encode and decode to the syft lib interface

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Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
This commit is contained in:
Alex Goodman 2021-10-10 18:32:42 -07:00
parent bcdebcadaf
commit 12b44af471
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GPG Key ID: 5CB45AE22BAB7EA7
1 changed files with 33 additions and 0 deletions
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33
syft/lib.go
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@ -17,11 +17,15 @@ Similar to the cataloging process, Linux distribution identification is also per
package syft
import (
"bytes"
"fmt"
"io"
"github.com/anchore/syft/internal/bus"
"github.com/anchore/syft/internal/formats"
"github.com/anchore/syft/internal/log"
"github.com/anchore/syft/syft/distro"
"github.com/anchore/syft/syft/format"
"github.com/anchore/syft/syft/logger"
"github.com/anchore/syft/syft/pkg"
"github.com/anchore/syft/syft/pkg/cataloger"
@ -67,6 +71,35 @@ func CatalogPackages(src *source.Source, scope source.Scope) (*pkg.Catalog, *dis
return catalog, theDistro, nil
}
// TODO: encapsulate input data into common sbom document object
func Encode(catalog *pkg.Catalog, metadata *source.Metadata, dist *distro.Distro, option format.Option) ([]byte, error) {
f := formats.ByOption(option)
if f == nil {
return nil, nil
}
buff := bytes.Buffer{}
return buff.Bytes(), f.Encode(&buff, catalog, dist, metadata)
}
// TODO: encapsulate return data into common sbom document object
func Decode(reader io.Reader) (*pkg.Catalog, *source.Metadata, *distro.Distro, format.Option, error) {
by, err := io.ReadAll(reader)
if err != nil {
return nil, nil, nil, format.UnknownOption, fmt.Errorf("unable to read sbom: %w", err)
}
f, err := formats.Identify(by)
if err != nil {
return nil, nil, nil, format.UnknownOption, fmt.Errorf("unable to detect format: %w", err)
}
if f == nil {
return nil, nil, nil, format.UnknownOption, fmt.Errorf("unable to identify format")
}
c, m, d, err := f.Decode(bytes.NewReader(by))
return c, m, d, f.Option, err
}
// SetLogger sets the logger object used for all syft logging calls.
func SetLogger(logger logger.Logger) {
log.Log = logger