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scanner.go
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scanner.go
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package scanner
import (
"context"
_ "embed"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/argonsecurity/go-environments/models"
"github.com/pkg/errors"
"github.com/samber/lo"
"github.com/spf13/viper"
"golang.org/x/exp/slices"
"github.com/aquasecurity/trivy-plugin-aqua/pkg/log"
"github.com/aquasecurity/trivy-plugin-aqua/pkg/oss"
"github.com/aquasecurity/trivy-plugin-aqua/pkg/pipelines"
"github.com/aquasecurity/trivy-plugin-aqua/pkg/proto/buildsecurity"
"github.com/aquasecurity/trivy/pkg/commands/artifact"
"github.com/aquasecurity/trivy/pkg/flag"
trivyTypes "github.com/aquasecurity/trivy/pkg/types"
)
const aquaPath = "/tmp/aqua"
//go:embed trivy-secret.yaml
var secretsConfig string
func Scan(ctx context.Context, opts flag.Options, cmdName, path string, envConfig *models.Configuration) (*trivyTypes.Report, []*buildsecurity.Pipeline, error) {
err := os.MkdirAll(aquaPath, os.ModePerm)
if err != nil {
return nil, nil, errors.Wrap(err, "failed create aqua tmp dir")
}
// Cleanup aqua tmp dir
defer os.RemoveAll(aquaPath)
if slices.Contains(opts.SecurityChecks, trivyTypes.SecurityCheckSecret) {
configPath := filepath.Join(aquaPath, "trivy-secret.yaml")
if err = os.WriteFile(configPath, []byte(secretsConfig), 0600); err != nil {
return nil, nil, errors.Wrap(err, "failed creating secret config file")
}
opts.SecretOptions.SecretConfigPath = configPath
}
r, err := artifact.NewRunner(ctx, opts)
if err != nil {
return nil, nil, fmt.Errorf("init error: %w", err)
}
defer r.Close(ctx)
repositoryPipelines := make([]*buildsecurity.Pipeline, 0)
var report trivyTypes.Report
var pipelinesScanResults trivyTypes.Results
switch cmdName {
case "image":
opts.Target = path
// Container image scanning
if report, err = r.ScanImage(ctx, opts); err != nil {
return nil, nil, fmt.Errorf("image scan error: %w", err)
}
default:
if viper.GetString("triggered-by") == "PR" {
if err = createDiffScanFs(envConfig); err != nil {
return nil, nil, errors.Wrap(err, "failed create diff scan system - 81.2")
}
opts.Target = aquaPath
}
if viper.GetBool("pipelines") {
repositoryPipelines, pipelinesScanResults, err = pipelines.ExecutePipelineScanning(opts.Target)
if err != nil {
log.Logger.Errorf("failed execute pipeline scanning: %v", err)
}
}
packageJsonFiles, noLockFiles, filenameReplaceMap := oss.DetectPackageJsonFiles(opts.Target)
if viper.GetBool("package-json") && len(noLockFiles) > 0 {
log.Logger.Warn("package.json files without lock files found. Please run install before scanning or upload lock files")
log.Logger.Warn("Generating lock files for package.json files")
dir, newLocksToPackageJson, err := oss.GeneratePackageLockFiles(opts.Target, noLockFiles)
if err != nil {
log.Logger.Errorf("failed to generate package-lock.json: %s", err)
} else {
defer os.RemoveAll(dir)
}
filenameReplaceMap = lo.Assign(filenameReplaceMap, newLocksToPackageJson)
}
// setting list-all-pkgs to plugin-list-all-pkgs (default: true), for getting all dependencies
opts.ListAllPkgs = viper.GetBool("plugin-list-all-pkgs")
// Filesystem scanning
if report, err = r.ScanFilesystem(ctx, opts); err != nil {
return nil, nil, fmt.Errorf("image scan error: %w", err)
}
if filenameReplaceMap != nil {
patchLineNumberAndFilenames(&report, filenameReplaceMap, packageJsonFiles)
}
}
report.Results = append(report.Results, pipelinesScanResults...)
report, err = r.Filter(ctx, opts, report)
if err != nil {
return nil, nil, fmt.Errorf("filter error: %w", err)
}
if err = r.Report(opts, report); err != nil {
return nil, nil, fmt.Errorf("report error: %w", err)
}
return &report, repositoryPipelines, nil
}
func patchLineNumberAndFilenames(report *trivyTypes.Report, fileMap map[string]string, packageJsonFiles map[string]oss.PackageJson) {
for i := range report.Results {
result := &report.Results[i]
if file, ok := fileMap[result.Target]; ok {
result.Target = file
if packageJson, ok := packageJsonFiles[file]; ok {
addResultLineNumber(result, &packageJson)
}
}
}
}
func addResultLineNumber(result *trivyTypes.Result, packageJson *oss.PackageJson) {
for i, vuln := range result.Vulnerabilities {
if dep := findVulnerableTopDependency(result, packageJson, vuln.PkgID, vuln.PkgName); dep != nil {
custom := vuln.Custom
if vuln.Custom == nil {
custom = make(map[string]interface{})
}
v, _ := custom.(map[string]interface{})
v["lineNumber"] = dep.Line
v["depPath"] = dep.Path
result.Vulnerabilities[i].Custom = v
}
}
}
func findVulnerableTopDependency(result *trivyTypes.Result, packageJson *oss.PackageJson, pkgId, pkgName string) *oss.Dependency {
if dep, ok := packageJson.Dependencies[pkgName]; ok {
dep.Path = pkgName
return &dep
} else {
for _, pkg := range result.Packages {
if slices.Contains(pkg.DependsOn, pkgId) {
if dep := findVulnerableTopDependency(result, packageJson, pkg.ID, pkg.Name); dep != nil {
dep.Path = dep.Path + "->" + pkgName
return dep
}
}
}
}
return nil
}
func MatchResultSeverity(severity string) buildsecurity.SeverityEnum {
severity = fmt.Sprintf("SEVERITY_%s", severity)
index := buildsecurity.SeverityEnum_value[severity]
return buildsecurity.SeverityEnum(index)
}
func MatchResultType(resultType string) buildsecurity.Result_TypeEnum {
resultType = strings.ToUpper(fmt.Sprintf("TYPE_%s", resultType))
index := buildsecurity.Result_TypeEnum_value[resultType]
return buildsecurity.Result_TypeEnum(index)
}
func MatchTriggeredBy(triggeredBy string) buildsecurity.TriggeredByEnum {
triggeredBy = fmt.Sprintf("TRIGGERED_BY_%s", triggeredBy)
index := buildsecurity.TriggeredByEnum_value[triggeredBy]
return buildsecurity.TriggeredByEnum(index)
}