package readers
import (
"encoding/json"
"errors"
"fmt"
"os/exec"
"github.com/google/osv-scanner/pkg/lockfile"
"github.com/safedep/vet/gen/insightapi"
"github.com/safedep/vet/pkg/models"
)
type brewReader struct {
config BrewReaderConfig
}
type BrewReaderConfig struct{}
type brewInfo struct {
Name string `json:"name"`
FullName string `json:"full_name"`
Tap string `json:"tap"`
Desc string `json:"desc"`
License string `json:"license"`
Homepage string `json:"homepage"`
Versions struct {
Stable string `json:"stable"`
} `json:"versions"`
InstalledVersions []struct {
Version string `json:"version"`
} `json:"installed"`
}
func NewBrewReader(config BrewReaderConfig) (PackageManifestReader, error) {
return &brewReader{config: config}, nil
}
func (b *brewReader) ApplicationName() (string, error) {
return "homebrew", nil
}
func (b *brewReader) Name() string {
return "Homebrew Reader"
}
func (b *brewReader) EnumManifests(handler func(*models.PackageManifest, PackageReader) error) error {
cmd := exec.Command("brew", "info", "--installed", "--json")
output, err := cmd.Output()
if err != nil {
if errors.Is(err, exec.ErrNotFound) {
return fmt.Errorf("brew command not found: please ensure Homebrew is installed and available in your PATH")
}
return fmt.Errorf("failed to execute brew command: %w", err)
}
var brewPackages []brewInfo
if err := json.Unmarshal(output, &brewPackages); err != nil {
return fmt.Errorf("failed to parse brew JSON output: %w", err)
}
manifest := models.NewPackageManifestFromHomebrew()
// Convert brew info to packages
for _, brewPkg := range brewPackages {
version := ""
if len(brewPkg.InstalledVersions) > 0 {
version = brewPkg.InstalledVersions[0].Version
}
pkg := &models.Package{
PackageDetails: lockfile.PackageDetails{
Name: brewPkg.FullName,
Version: version,
Ecosystem: lockfile.Ecosystem("Homebrew"),
},
Insights: &insightapi.PackageVersionInsight{
Licenses: &[]insightapi.License{
insightapi.License(brewPkg.License),
},
},
}
manifest.AddPackage(pkg)
}
return handler(manifest, NewManifestModelReader(manifest))
}
