add SBOM file path helper

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

syft/sbom/sbom.go

@@ -23,3 +23,37 @@ type Artifacts struct {
 	Secrets             map[source.Coordinates][]file.SearchResult
 	Distro              *distro.Distro
 }
+
+func AllCoordinates(sbom SBOM) []source.Coordinates {
+	set := source.NewCoordinateSet()
+	for coordinates := range sbom.Artifacts.FileMetadata {
+		set.Add(coordinates)
+	}
+	for coordinates := range sbom.Artifacts.FileContents {
+		set.Add(coordinates)
+	}
+	for coordinates := range sbom.Artifacts.FileClassifications {
+		set.Add(coordinates)
+	}
+	for coordinates := range sbom.Artifacts.FileDigests {
+		set.Add(coordinates)
+	}
+	for _, relationship := range sbom.Relationships {
+		for _, coordinates := range extractCoordinates(relationship) {
+			set.Add(coordinates)
+		}
+	}
+	return set.ToSlice()
+}
+
+func extractCoordinates(relationship artifact.Relationship) (results []source.Coordinates) {
+	if coordinates, exists := relationship.From.(source.Coordinates); exists {
+		results = append(results, coordinates)
+	}
+
+	if coordinates, exists := relationship.To.(source.Coordinates); exists {
+		results = append(results, coordinates)
+	}
+
+	return results
+}