mirror of
https://github.com/safedep/pmg.git
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91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
package analyser
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import (
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"context"
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"fmt"
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"sync"
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"buf.build/gen/go/safedep/api/grpc/go/safedep/services/malysis/v1/malysisv1grpc"
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malysisv1pb "buf.build/gen/go/safedep/api/protocolbuffers/go/safedep/messages/malysis/v1"
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packagev1 "buf.build/gen/go/safedep/api/protocolbuffers/go/safedep/messages/package/v1"
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malysisv1 "buf.build/gen/go/safedep/api/protocolbuffers/go/safedep/services/malysis/v1"
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"github.com/safedep/dry/log"
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"github.com/safedep/pmg/internal/ui"
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"github.com/safedep/pmg/pkg/models"
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vetUtils "github.com/safedep/vet/pkg/common/utils"
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)
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type PackageAnalyser struct {
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MaliciousPkgs map[string]string
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Client malysisv1grpc.MalwareAnalysisServiceClient
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Ctx context.Context
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MaliciousPkgsMutex sync.Mutex
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ProgressTracker ui.ProgressTracker
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Ecosystem packagev1.Ecosystem
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}
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func New(client malysisv1grpc.MalwareAnalysisServiceClient, ctx context.Context, ecosystem packagev1.Ecosystem) *PackageAnalyser {
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return &PackageAnalyser{
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MaliciousPkgs: make(map[string]string),
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Client: client,
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Ctx: ctx,
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MaliciousPkgsMutex: sync.Mutex{},
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Ecosystem: ecosystem,
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}
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}
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func (ap *PackageAnalyser) Handler() vetUtils.WorkQueueFn[models.Package] {
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return func(q *vetUtils.WorkQueue[models.Package], item models.Package) error {
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reportResp, err := QueryPackageAnalysis(ap.Ctx, ap.Client,
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ap.Ecosystem, item.Name, item.Version)
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if err != nil {
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log.Debugf("Failed to analyze %s@%s: %v", item.Name, item.Version, err)
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return nil
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}
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report := reportResp.GetReport()
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if report == nil {
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log.Debugf("Empty report received for %s", item.Name)
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return nil
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}
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inference := report.GetInference()
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if inference == nil {
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log.Debugf("No inference data for %s", item.Name)
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return nil
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}
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log.Infof("Inference for %s: isMalware=%v", item.Name, inference.GetIsMalware())
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if inference.GetIsMalware() {
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ap.MaliciousPkgsMutex.Lock()
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ap.MaliciousPkgs[fmt.Sprintf("%s@%s", item.Name, item.Version)] = inference.GetSummary()
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ap.MaliciousPkgsMutex.Unlock()
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}
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ui.IncrementProgress(ap.ProgressTracker, 1)
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return nil
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}
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}
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func QueryPackageAnalysis(ctx context.Context, client malysisv1grpc.MalwareAnalysisServiceClient, ecosystem packagev1.Ecosystem, name string,
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version string) (*malysisv1.QueryPackageAnalysisResponse, error) {
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resp, err := client.QueryPackageAnalysis(ctx, &malysisv1.QueryPackageAnalysisRequest{
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Target: &malysisv1pb.PackageAnalysisTarget{
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PackageVersion: &packagev1.PackageVersion{
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Package: &packagev1.Package{
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Ecosystem: ecosystem,
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Name: name,
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},
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Version: version,
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},
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},
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})
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if err != nil {
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return nil, fmt.Errorf("failed to analyze %s@%s: %w", name, version, err)
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}
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return resp, nil
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}
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