From 09962188ffbbbc91299d63a44bb0fa814832876c Mon Sep 17 00:00:00 2001
From: rschneider <97682836+rainer-exxcellent@users.noreply.github.com>
Date: Wed, 14 May 2025 11:29:16 +0200
Subject: [PATCH] feat(CSAF2.1): #199 test 6.3.15 for CSAF 2.1

---
 csaf_2_1/informativeTests.js                  |   1 +
 .../informativeTest_6_3_15.js                 | 134 ++++++++++++++++++
 tests/csaf_2_1/informativeTest_6_3_15.js      |   8 ++
 tests/csaf_2_1/oasis.js                       |   1 -
 4 files changed, 143 insertions(+), 1 deletion(-)
 create mode 100644 csaf_2_1/informativeTests/informativeTest_6_3_15.js
 create mode 100644 tests/csaf_2_1/informativeTest_6_3_15.js

diff --git a/csaf_2_1/informativeTests.js b/csaf_2_1/informativeTests.js
index 12269510..16ac1d34 100644
--- a/csaf_2_1/informativeTests.js
+++ b/csaf_2_1/informativeTests.js
@@ -11,3 +11,4 @@ export {
 export { informativeTest_6_3_1 } from './informativeTests/informativeTest_6_3_1.js'
 export { informativeTest_6_3_4 } from './informativeTests/informativeTest_6_3_4.js'
 export { informativeTest_6_3_2 } from './informativeTests/informativeTest_6_3_2.js'
+export { informativeTest_6_3_15 } from './informativeTests/informativeTest_6_3_15.js'
diff --git a/csaf_2_1/informativeTests/informativeTest_6_3_15.js b/csaf_2_1/informativeTests/informativeTest_6_3_15.js
new file mode 100644
index 00000000..8085a656
--- /dev/null
+++ b/csaf_2_1/informativeTests/informativeTest_6_3_15.js
@@ -0,0 +1,134 @@
+import Ajv from 'ajv/dist/jtd.js'
+
+const ajv = new Ajv()
+
+/**
+ * @typedef {object} Selection
+ * @property {string} [name]
+ * @property {string} [namespace]
+ * @property {string} [version]
+ */
+
+/**
+ * @typedef {object} Ssvc1
+ * @property {Array<Selection>} [selections]
+ */
+
+/**
+ * @typedef {object} MetricContent
+ * @property {Ssvc1} [ssvc_v1]
+ */
+
+/**
+ * @typedef {object} Metric
+ * @property {MetricContent} [content]
+ */
+
+const inputSchema = /** @type {const} */ ({
+  additionalProperties: true,
+  properties: {
+    document: {
+      additionalProperties: true,
+      properties: {
+        distribution: {
+          additionalProperties: true,
+          optionalProperties: {
+            tlp: {
+              additionalProperties: true,
+              optionalProperties: {
+                label: { type: 'string' },
+              },
+            },
+          },
+        },
+      },
+    },
+    vulnerabilities: {
+      elements: {
+        additionalProperties: true,
+        properties: {},
+        optionalProperties: {
+          metrics: {
+            elements: {
+              additionalProperties: true,
+              properties: {},
+              optionalProperties: {
+                content: {
+                  additionalProperties: true,
+                  properties: {},
+                  optionalProperties: {
+                    ssvc_v1: {
+                      additionalProperties: true,
+                      optionalProperties: {
+                        selections: {
+                          elements: {
+                            additionalProperties: true,
+                            properties: {},
+                            optionalProperties: {
+                              name: { type: 'string' },
+                              namespace: { type: 'string' },
+                              version: { type: 'string' },
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+              },
+            },
+          },
+        },
+      },
+    },
+  },
+})
+
+const validateInput = ajv.compile(inputSchema)
+
+/**
+ * @param {string | undefined } namespace
+ */
+function namespaceUsesExtension(namespace) {
+  return namespace ? namespace.includes('/') : false
+}
+
+/**
+ * For each SSVC decision point given under selections,
+ * it MUST be tested the namespace does not use an extension
+ * if the document is not labeled TLP:CLEAR.
+ * @param {unknown} doc
+ * @returns
+ */
+export function informativeTest_6_3_15(doc) {
+  const ctx = {
+    infos: /** @type {Array<{ message: string; instancePath: string }>} */ ([]),
+  }
+
+  if (!validateInput(doc)) {
+    return ctx
+  }
+
+  const vulnerabilities = doc.vulnerabilities
+
+  vulnerabilities.forEach((vulnerability, vulnerabilityIndex) => {
+    /** @type {Array<Metric> | undefined} */
+    const metrics = vulnerability.metrics
+    metrics?.forEach((metric, metricIndex) => {
+      const selections = metric?.content?.ssvc_v1?.selections
+      selections?.forEach((selection, selectionIndex) => {
+        if (
+          namespaceUsesExtension(selection.namespace) &&
+          doc.document?.distribution?.tlp?.label !== 'TLP:CLEAR'
+        ) {
+          ctx.infos.push({
+            instancePath: `/vulnerabilities/${vulnerabilityIndex}/metrics/${metricIndex}/content/ssvc_v1/selections/${selectionIndex}/namespace`,
+            message: `namespace is  private and document is not labeled TLP:CLEAR`,
+          })
+        }
+      })
+    })
+  })
+
+  return ctx
+}
diff --git a/tests/csaf_2_1/informativeTest_6_3_15.js b/tests/csaf_2_1/informativeTest_6_3_15.js
new file mode 100644
index 00000000..e19085a0
--- /dev/null
+++ b/tests/csaf_2_1/informativeTest_6_3_15.js
@@ -0,0 +1,8 @@
+import assert from 'node:assert'
+import { informativeTest_6_3_15 } from '../../csaf_2_1/informativeTests.js'
+
+describe('informativeTest_6_3_15', function () {
+  it('only runs on relevant documents', function () {
+    assert.equal(informativeTest_6_3_15({ document: 'mydoc' }).infos.length, 0)
+  })
+})
diff --git a/tests/csaf_2_1/oasis.js b/tests/csaf_2_1/oasis.js
index ed81ff09..82b6a93b 100644
--- a/tests/csaf_2_1/oasis.js
+++ b/tests/csaf_2_1/oasis.js
@@ -69,7 +69,6 @@ const excluded = [
   '6.2.45',
   '6.2.46',
   '6.3.14',
-  '6.3.15',
   '6.3.12',
   '6.3.13',
   '6.3.16',