refactor(report): Replacing source_location in github report when scanning an image (aquasecurity#5999)

Co-authored-by: DmitriyLewen <[email protected]>

Author: Maxim-Durand

pkg/report/github/github.go

@@ -105,8 +105,25 @@ func (w Writer) Write(ctx context.Context, report types.Report) error {
 		manifest.Name = string(result.Type)
 		// show path for language-specific packages only
 		if result.Class == types.ClassLangPkg {
-			manifest.File = &File{
-				SrcLocation: result.Target,
+			if report.ArtifactType == ftypes.ArtifactContainerImage {
+				// `RepoDigests` ~= <registry>/<image_name>@sha256:<image_hash>
+				// `RepoTag` ~= <registry>/<image_name>:<image_tag>
+				// By concatenating the hash from `RepoDigests` at the end of `RepoTag` we get all the information
+				imageReference := strings.Join(report.Metadata.RepoTags, ", ")
+				imageWithHash := strings.Join(report.Metadata.RepoDigests, ", ")
+				_, imageHash, found := strings.Cut(imageWithHash, "@")
+				if found {
+					imageReference += "@" + imageHash
+				}
+				// Replacing `source_location` in manifest by the image name, tag and hash
+				manifest.File = &File{
+					SrcLocation: imageReference,
+				}
+
+			} else {
+				manifest.File = &File{
+					SrcLocation: result.Target,
+				}
 			}
 		}
 
@@ -123,6 +140,10 @@ func (w Writer) Write(ctx context.Context, report types.Report) error {
 				return xerrors.Errorf("unable to build purl for %s: %w", pkg.Name, err)
 			}
 
+			if pkg.FilePath != "" {
+				githubPkg.Metadata = Metadata{"source_location": pkg.FilePath}
+			}
+
 			resolved[pkg.Name] = githubPkg
 		}
 

pkg/report/github/github_test.go

@@ -164,6 +164,73 @@ func TestWriter_Write(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "pypi from image",
+			report: types.Report{
+				SchemaVersion: 2,
+				ArtifactName:  "fake_repo.azurecr.io/image_name",
+				ArtifactType:  "container_image",
+				Metadata: types.Metadata{
+					RepoDigests: []string{"fake_repo.azurecr.io/image_name@sha256:a7c92cdcb3d010f6edeb37ddcdbacab14981aa31e7f1140e0097dc1b8e834c49"},
+					RepoTags:    []string{"fake_repo.azurecr.io/image_name:latest"},
+				},
+				Results: types.Results{
+					{
+						Target: "Python",
+						Class:  "lang-pkgs",
+						Type:   "python-pkg",
+						Packages: []ftypes.Package{
+							{
+								Name:    "jwcrypto",
+								Version: "0.7",
+								Licenses: []string{
+									"LGPLv3+",
+								},
+								Layer: ftypes.Layer{
+									Digest: "sha256:ddc612ba4e74ea5633a93e19e7c32f61f5f230073b21a070302a61ef5eec5c50",
+									DiffID: "sha256:12935ef6ce21a266aef8df75d601cebf7e935edd01e9f19fab16ccb78fbb9a5e",
+								},
+								FilePath: "opt/pyenv/versions/3.11.2/lib/python3.11/site-packages/jwcrypto-0.7.dist-info/METADATA",
+							},
+							{
+								Name:    "matplotlib",
+								Version: "3.5.3",
+								Licenses: []string{
+									"PSF",
+								},
+								Layer: ftypes.Layer{
+									Digest: "sha256:ddc612ba4e74ea5633a93e19e7c32f61f5f230073b21a070302a61ef5eec5c50",
+									DiffID: "sha256:12935ef6ce21a266aef8df75d601cebf7e935edd01e9f19fab16ccb78fbb9a5e",
+								},
+								FilePath: "opt/pyenv/versions/3.11.2/lib/python3.11/site-packages/matplotlib-3.5.3.dist-info/METADATA",
+							},
+						},
+					},
+				},
+			},
+			want: map[string]github.Manifest{
+				"Python": {
+					Name: "python-pkg",
+					File: &github.File{
+						SrcLocation: "fake_repo.azurecr.io/image_name:latest@sha256:a7c92cdcb3d010f6edeb37ddcdbacab14981aa31e7f1140e0097dc1b8e834c49",
+					},
+					Resolved: map[string]github.Package{
+						"jwcrypto": {
+							PackageUrl:   "pkg:pypi/[email protected]",
+							Relationship: "direct",
+							Scope:        "runtime",
+							Metadata:     github.Metadata{"source_location": "opt/pyenv/versions/3.11.2/lib/python3.11/site-packages/jwcrypto-0.7.dist-info/METADATA"},
+						},
+						"matplotlib": {
+							PackageUrl:   "pkg:pypi/[email protected]",
+							Relationship: "direct",
+							Scope:        "runtime",
+							Metadata:     github.Metadata{"source_location": "opt/pyenv/versions/3.11.2/lib/python3.11/site-packages/matplotlib-3.5.3.dist-info/METADATA"},
+						},
+					},
+				},
+			},
+		},
 	}
 
 	for _, tt := range tests {