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feat: add BeamVM Hex support (#1073)
* feat: initial commit providing mix support Signed-off-by: cpendery <[email protected]> * feat: add rebar parser Signed-off-by: cpendery <[email protected]> * fix: add beam/hex everywhere else required for Syft runtime Signed-off-by: cpendery <[email protected]> * style: fix lints Signed-off-by: cpendery <[email protected]> * ci: fix failing tests Signed-off-by: cpendery <[email protected]> * docs: update with new supported languages Signed-off-by: cpendery <[email protected]> * chore: update elixir/erlang catalogers to generic cataloger Signed-off-by: Alex Goodman <[email protected]> Signed-off-by: cpendery <[email protected]> Signed-off-by: Alex Goodman <[email protected]> Co-authored-by: Alex Goodman <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| /* | ||
| Package elixir provides a concrete Cataloger implementation for elixir specific package manger files. | ||
| */ | ||
| package elixir | ||
|
|
||
| import ( | ||
| "github.com/anchore/syft/syft/pkg/cataloger/generic" | ||
| ) | ||
|
|
||
| const catalogerName = "elixir-mix-lock-cataloger" | ||
|
|
||
| // NewMixLockCataloger returns parses mix.lock files and returns packages | ||
| func NewMixLockCataloger() *generic.Cataloger { | ||
| return generic.NewCataloger(catalogerName). | ||
| WithParserByGlobs(parseMixLock, "**/mix.lock") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package elixir | ||
|
|
||
| import ( | ||
| "github.com/anchore/packageurl-go" | ||
| "github.com/anchore/syft/syft/pkg" | ||
| "github.com/anchore/syft/syft/source" | ||
| ) | ||
|
|
||
| func newPackage(d pkg.MixLockMetadata, locations ...source.Location) pkg.Package { | ||
| p := pkg.Package{ | ||
| Name: d.Name, | ||
| Version: d.Version, | ||
| Language: pkg.Elixir, | ||
| Locations: source.NewLocationSet(locations...), | ||
| PURL: packageURL(d), | ||
| Type: pkg.HexPkg, | ||
| MetadataType: pkg.MixLockMetadataType, | ||
| Metadata: d, | ||
| } | ||
|
|
||
| p.SetID() | ||
|
|
||
| return p | ||
| } | ||
|
|
||
| func packageURL(m pkg.MixLockMetadata) string { | ||
| var qualifiers packageurl.Qualifiers | ||
|
|
||
| return packageurl.NewPackageURL( | ||
| packageurl.TypeHex, | ||
| "", | ||
| m.Name, | ||
| m.Version, | ||
| qualifiers, | ||
| "", | ||
| ).ToString() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package elixir | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "regexp" | ||
|
|
||
| "github.com/anchore/syft/internal/log" | ||
| "github.com/anchore/syft/syft/artifact" | ||
| "github.com/anchore/syft/syft/pkg" | ||
| "github.com/anchore/syft/syft/pkg/cataloger/generic" | ||
| "github.com/anchore/syft/syft/source" | ||
| ) | ||
|
|
||
| // integrity check | ||
| var _ generic.Parser = parseMixLock | ||
|
|
||
| var mixLockDelimiter = regexp.MustCompile(`[%{}\n" ,:]+`) | ||
|
|
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| // parseMixLock parses a mix.lock and returns the discovered Elixir packages. | ||
| func parseMixLock(_ source.FileResolver, _ *generic.Environment, reader source.LocationReadCloser) ([]pkg.Package, []artifact.Relationship, error) { | ||
| r := bufio.NewReader(reader) | ||
|
|
||
| var packages []pkg.Package | ||
| for { | ||
| line, err := r.ReadString('\n') | ||
| switch { | ||
| case errors.Is(io.EOF, err): | ||
| return packages, nil, nil | ||
| case err != nil: | ||
| return nil, nil, fmt.Errorf("failed to parse mix.lock file: %w", err) | ||
| } | ||
| tokens := mixLockDelimiter.Split(line, -1) | ||
| if len(tokens) < 6 { | ||
| continue | ||
| } | ||
| name, version, hash, hashExt := tokens[1], tokens[4], tokens[5], tokens[len(tokens)-2] | ||
|
|
||
| if name == "" { | ||
| log.WithFields("path", reader.RealPath).Debug("skipping empty package name from mix.lock file") | ||
| continue | ||
| } | ||
|
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| packages = append(packages, newPackage(pkg.MixLockMetadata{ | ||
| Name: name, | ||
| Version: version, | ||
| PkgHash: hash, | ||
| PkgHashExt: hashExt, | ||
| })) | ||
| } | ||
| } |
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