From 1072bca4fbcbb34650684962dc18f8a6faab9777 Mon Sep 17 00:00:00 2001
From: Simar <simar@linux.com>
Date: Mon, 11 Dec 2023 21:55:03 -0700
Subject: [PATCH] feat(rego): Add aliases for checks

Addresses: https://github.com/aquasecurity/trivy/issues/5691
---
 pkg/rego/metadata.go      | 11 +++++++++++
 pkg/rego/metadata_test.go |  3 +++
 2 files changed, 14 insertions(+)

diff --git a/pkg/rego/metadata.go b/pkg/rego/metadata.go
index ee6b5d1d..1e0b2693 100644
--- a/pkg/rego/metadata.go
+++ b/pkg/rego/metadata.go
@@ -20,6 +20,7 @@ type StaticMetadata struct {
 	AVDID              string
 	Title              string
 	ShortCode          string
+	Aliases            []string
 	Description        string
 	Severity           string
 	RecommendedActions string
@@ -55,10 +56,20 @@ func (sm *StaticMetadata) Update(meta map[string]any) error {
 		}
 	}
 
+	updSlice := func(field *[]string, key string) {
+		if raw, ok := meta[key]; ok {
+			if _, ok := raw.([]string); ok {
+				*field = make([]string, 0)
+				*field = append(*field, raw.([]string)...)
+			}
+		}
+	}
+
 	upd(&sm.ID, "id")
 	upd(&sm.AVDID, "avd_id")
 	upd(&sm.Title, "title")
 	upd(&sm.ShortCode, "short_code")
+	updSlice(&sm.Aliases, "aliases")
 	upd(&sm.Description, "description")
 	upd(&sm.Service, "service")
 	upd(&sm.Provider, "provider")
diff --git a/pkg/rego/metadata_test.go b/pkg/rego/metadata_test.go
index 935c027d..cd1ef728 100644
--- a/pkg/rego/metadata_test.go
+++ b/pkg/rego/metadata_test.go
@@ -16,6 +16,7 @@ func Test_UpdateStaticMetadata(t *testing.T) {
 			AVDID:              "a",
 			Title:              "t",
 			ShortCode:          "sc",
+			Aliases:            []string{"a", "b", "c"},
 			Description:        "d",
 			Severity:           "s",
 			RecommendedActions: "ra",
@@ -36,6 +37,7 @@ func Test_UpdateStaticMetadata(t *testing.T) {
 				"avd_id":              "a_n",
 				"title":               "t_n",
 				"short_code":          "sc_n",
+				"aliases":             []string{"a_n", "b_n", "c_n"},
 				"description":         "d_n",
 				"service":             "srvc_n",
 				"provider":            "pr_n",
@@ -54,6 +56,7 @@ func Test_UpdateStaticMetadata(t *testing.T) {
 			AVDID:              "a_n",
 			Title:              "t_n",
 			ShortCode:          "sc_n",
+			Aliases:            []string{"a_n", "b_n", "c_n"},
 			Description:        "d_n",
 			Severity:           "S_N",
 			RecommendedActions: "ra_n",