* refactor: logger * refactor: logging * refactor: rename func * refactor: logging * refactor: logging format
		
			
				
	
	
		
			112 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package detector
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import (
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	"context"
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	db2 "github.com/aquasecurity/trivy-db/pkg/db"
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	"github.com/aquasecurity/trivy/pkg/db"
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	"github.com/aquasecurity/trivy/pkg/github"
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	"github.com/aquasecurity/trivy/pkg/indicator"
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	"github.com/aquasecurity/trivy/pkg/log"
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	"github.com/spf13/afero"
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	"golang.org/x/xerrors"
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	"k8s.io/utils/clock"
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	"github.com/future-architect/vuls/logging"
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	"github.com/future-architect/vuls/models"
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)
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// DetectLibsCves fills LibraryScanner information
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func DetectLibsCves(r *models.ScanResult, cacheDir string, noProgress bool) (err error) {
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	totalCnt := 0
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	if len(r.LibraryScanners) == 0 {
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		return
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	}
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	// initialize trivy's logger and db
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	err = log.InitLogger(false, false)
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	if err != nil {
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		return err
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	}
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	logging.Log.Info("Updating library db...")
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	if err := downloadDB("", cacheDir, noProgress, false, false); err != nil {
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		return err
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	}
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	if err := db2.Init(cacheDir); err != nil {
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		return err
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	}
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	defer db2.Close()
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	for _, lib := range r.LibraryScanners {
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		vinfos, err := lib.Scan()
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		if err != nil {
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			return err
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		}
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		for _, vinfo := range vinfos {
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			vinfo.Confidences.AppendIfMissing(models.TrivyMatch)
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			if v, ok := r.ScannedCves[vinfo.CveID]; !ok {
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				r.ScannedCves[vinfo.CveID] = vinfo
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			} else {
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				v.LibraryFixedIns = append(v.LibraryFixedIns, vinfo.LibraryFixedIns...)
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				r.ScannedCves[vinfo.CveID] = v
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			}
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		}
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		totalCnt += len(vinfos)
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	}
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	logging.Log.Infof("%s: %d CVEs are detected with Library",
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		r.FormatServerName(), totalCnt)
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	return nil
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}
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func downloadDB(appVersion, cacheDir string, quiet, light, skipUpdate bool) error {
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	client := initializeDBClient(cacheDir, quiet)
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	ctx := context.Background()
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	needsUpdate, err := client.NeedsUpdate(appVersion, light, skipUpdate)
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	if err != nil {
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		return xerrors.Errorf("database error: %w", err)
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	}
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	if needsUpdate {
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		logging.Log.Info("Need to update DB")
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		logging.Log.Info("Downloading DB...")
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		if err := client.Download(ctx, cacheDir, light); err != nil {
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			return xerrors.Errorf("failed to download vulnerability DB: %w", err)
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		}
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		if err = client.UpdateMetadata(cacheDir); err != nil {
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			return xerrors.Errorf("unable to update database metadata: %w", err)
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		}
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	}
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	// for debug
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	if err := showDBInfo(cacheDir); err != nil {
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		return xerrors.Errorf("failed to show database info: %w", err)
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	}
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	return nil
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}
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func initializeDBClient(cacheDir string, quiet bool) db.Client {
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	config := db2.Config{}
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	client := github.NewClient()
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	progressBar := indicator.NewProgressBar(quiet)
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	realClock := clock.RealClock{}
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	fs := afero.NewOsFs()
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	metadata := db.NewMetadata(fs, cacheDir)
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	dbClient := db.NewClient(config, client, progressBar, realClock, metadata)
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	return dbClient
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}
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func showDBInfo(cacheDir string) error {
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	m := db.NewMetadata(afero.NewOsFs(), cacheDir)
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	metadata, err := m.Get()
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	if err != nil {
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		return xerrors.Errorf("something wrong with DB: %w", err)
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	}
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	logging.Log.Debugf("DB Schema: %d, Type: %d, UpdatedAt: %s, NextUpdate: %s",
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		metadata.Version, metadata.Type, metadata.UpdatedAt, metadata.NextUpdate)
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	return nil
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}
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