feat: add mandatory test 6.1.37

csaf_2_1/mandatoryTests.js

@@ -43,3 +43,4 @@ export {
   mandatoryTest_6_1_32,
   mandatoryTest_6_1_33,
 } from '../mandatoryTests.js'
+export { mandatoryTest_6_1_37 } from './mandatoryTests/mandatoryTest_6_1_37.js'

csaf_2_1/mandatoryTests/mandatoryTest_6_1_37.js

@@ -0,0 +1,191 @@
+import Ajv from 'ajv/dist/jtd.js'
+
+const ajv = new Ajv()
+
+/*
+  This is the jtd schema that needs to match the input document so that the
+  test is activated. If this schema doesn't match it normally means that the input
+  document does not validate against the csaf json schema or optional fields that
+  the test checks are not present.
+ */
+const inputSchema = /** @type {const} */ ({
+  additionalProperties: true,
+  optionalProperties: {
+    document: {
+      additionalProperties: true,
+      optionalProperties: {
+        tracking: {
+          additionalProperties: true,
+          optionalProperties: {
+            generator: {
+              additionalProperties: true,
+              optionalProperties: {
+                date: { type: 'string' },
+              },
+            },
+            initial_release_date: { type: 'string' },
+            current_release_date: { type: 'string' },
+            revision_history: {
+              elements: {
+                additionalProperties: true,
+                optionalProperties: {
+                  date: { type: 'string' },
+                },
+              },
+            },
+          },
+        },
+      },
+    },
+    vulnerabilities: {
+      elements: {
+        additionalProperties: true,
+        optionalProperties: {
+          disclosure_date: { type: 'string' },
+          discovery_date: { type: 'string' },
+          flags: {
+            elements: {
+              additionalProperties: true,
+              optionalProperties: {
+                date: { type: 'string' },
+              },
+            },
+          },
+          involvements: {
+            elements: {
+              additionalProperties: true,
+              optionalProperties: {
+                date: { type: 'string' },
+              },
+            },
+          },
+          remediations: {
+            elements: {
+              additionalProperties: true,
+              optionalProperties: {
+                date: { type: 'string' },
+              },
+            },
+          },
+          threats: {
+            elements: {
+              additionalProperties: true,
+              optionalProperties: {
+                date: { type: 'string' },
+              },
+            },
+          },
+        },
+      },
+    },
+  },
+})
+
+const validate = ajv.compile(inputSchema)
+
+/**
+ * This regex validates a date against RFC 3339 section 5.6.
+ * See: https://datatracker.ietf.org/doc/html/rfc3339#section-5.6
+ */
+export const dateRegex =
+  /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})$/
+
+/**
+ * Validates the given date against RFC 3339 section 5.6.
+ *
+ * @param {string} date The date to validate
+ */
+export const isValidDate = (date) => {
+  /*
+    Here we first check the string against the regex which catches format errors.
+    But since this is not enough we convert it using the `Date` constructor.
+    The `.getTime()` method of a JS date returns `NaN` in case of an
+    invalid date (e.g. days, hours out of range etc.)
+   */
+  return (
+    Boolean(dateRegex.exec(date)) && !Number.isNaN(new Date(date).getTime())
+  )
+}
+
+/**
+ * This implements the mandatory test 6.1.37 of the CSAF 2.1 standard.
+ *
+ * @param {any} doc
+ */
+export function mandatoryTest_6_1_37(doc) {
+  /*
+    The `ctx` variable holds the state that is accumulated during the test ran and is
+    finally returned by the function.
+   */
+  const ctx = {
+    errors:
+      /** @type {Array<{ instancePath: string; message: string }>} */ ([]),
+    isValid: true,
+  }
+
+  if (!validate(doc)) return ctx
+
+  /**
+   * This function validates the given date and generates and error on
+   * `ctx` if it is not valid.
+   *
+   * @param {string | undefined} date The date to validate
+   * @param {string} path The json path to the date
+   */
+  const validateDate = (date, path) => {
+    if (date === undefined) return
+
+    if (!isValidDate(date)) {
+      ctx.errors.push({
+        instancePath: path,
+        message: `invalid date`,
+      })
+      ctx.isValid = false
+    }
+  }
+
+  validateDate(
+    doc.document?.tracking?.generator?.date,
+    '/document/tracking/generator/date'
+  )
+  validateDate(
+    doc.document?.tracking?.initial_release_date,
+    '/document/tracking/initial_release_date'
+  )
+  validateDate(
+    doc.document?.tracking?.current_release_date,
+    '/document/tracking/current_release_date'
+  )
+
+  doc.document?.tracking?.revision_history?.forEach((history, index) => {
+    validateDate(
+      history.date,
+      `/document/tracking/revision_history/${index}/date`
+    )
+  })
+
+  doc.vulnerabilities?.forEach((vulnerabiltiy, vulnerabilityIndex) => {
+    const prefix = `/vulnerabilities/${vulnerabilityIndex}`
+
+    validateDate(vulnerabiltiy.disclosure_date, `${prefix}/disclosure_date`)
+    validateDate(vulnerabiltiy.discovery_date, `/${prefix}/discovery_date`)
+
+    vulnerabiltiy.flags?.forEach((flag, index) => {
+      validateDate(flag.date, `${prefix}/flags/${index}/date`)
+    })
+
+    vulnerabiltiy.involvements?.forEach((involvement, index) => {
+      validateDate(involvement.date, `${prefix}/involvements/${index}/date`)
+    })
+
+    vulnerabiltiy.remediations?.forEach((remediation, index) => {
+      validateDate(remediation.date, `${prefix}/remediations/${index}/date`)
+    })
+
+    vulnerabiltiy.threats?.forEach((threat, index) => {
+      validateDate(threat.date, `${prefix}/threats/${index}/date`)
+    })
+  })
+
+  return ctx
+}

tests/csaf_2_1/mandatoryTest_6_1_37.js

@@ -0,0 +1,30 @@
+import assert from 'node:assert/strict'
+import {
+  isValidDate,
+  mandatoryTest_6_1_37,
+} from '../../csaf_2_1/mandatoryTests/mandatoryTest_6_1_37.js'
+
+describe('mandatoryTest_6_1_37', function () {
+  it('only runs on relevant documents', function () {
+    assert.equal(mandatoryTest_6_1_37({ document: 'mydoc' }).isValid, true)
+  })
+
+  describe('isValidDate', function () {
+    const testCases = /** @type {Array<[string, boolean]>} */ ([
+      ['2024-01-01T00:00:00Z', true],
+      ['2024-01-01T00:00:00.000Z', true],
+      ['2024-01-01T00:00:00.0Z', true],
+      ['2024-01-01T00:00:00.11111111Z', true],
+      ['2024-01-01T00:00:00+01:00', true],
+      ['2024-01-01T00:00:00.111111+01:00', true],
+      ['2024-01-01T:00:00+01:00', false],
+      ['2024-01-01T25:00:00+01:00', false],
+    ])
+
+    testCases.forEach((testCase) => {
+      it(`${testCase[0]} -> ${testCase[1]}`, () => {
+        assert.equal(isValidDate(testCase[0]), testCase[1])
+      })
+    })
+  })
+})

tests/csaf_2_1/oasis.js

@@ -21,7 +21,6 @@ const excluded = [
   '6.1.34',
   '6.1.35',
   '6.1.36',
-  '6.1.37',
   '6.1.38',
   '6.1.39',
   '6.1.40',