fixed issues w/ accessing website on other computers

dashboard/tests/contract.test.mjs

@@ -214,6 +214,32 @@ test("browser loader verifies every raw asset digest before rendering", async ()
   );
 });
 
+test("LAN HTTP loader verifies asset digests without Web Crypto", async () => {
+  const validated = await loadDashboardData({
+    basePath: "http://dashboard.test/public/data/",
+    fetchImplementation: publicDataFetch(),
+    cryptoImplementation: null,
+  });
+  assert.equal(validated.manifest.schema_version, SCHEMA_VERSION);
+
+  const changedOverview = Buffer.concat([
+    readFileSync(path.join(PUBLIC_DATA, REQUIRED_ASSETS.overview)),
+    Buffer.from("\n"),
+  ]);
+  await assert.rejects(
+    loadDashboardData({
+      basePath: "http://dashboard.test/public/data/",
+      fetchImplementation: publicDataFetch(
+        new Map([[REQUIRED_ASSETS.overview, changedOverview]]),
+      ),
+      cryptoImplementation: null,
+    }),
+    (error) =>
+      error instanceof DataContractError &&
+      /Integrity verification failed for overview_period_county\.json/.test(error.message),
+  );
+});
+
 test("sha256 manifest covers and matches every approved data asset", () => {
   const manifest = json(REQUIRED_ASSETS.shaManifest);
   const expectedNames = Object.entries(REQUIRED_ASSETS)