1 files changed, 267 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/private-network-access/iframe.tentative.https.window.js b/testing/web-platform/tests/fetch/private-network-access/iframe.tentative.https.window.js
new file mode 100644
index 0000000000..1e00c0af41
--- /dev/null
+++ b/testing/web-platform/tests/fetch/private-network-access/iframe.tentative.https.window.js
@@ -0,0 +1,267 @@
+// META: script=/common/subset-tests-by-key.js
+// META: script=/common/dispatcher/dispatcher.js
+// META: script=/common/utils.js
+// META: script=resources/support.sub.js
+// META: timeout=long
+// META: variant=?include=from-local
+// META: variant=?include=from-private
+// META: variant=?include=from-public
+// META: variant=?include=from-treat-as-public
+// META: variant=?include=grandparent
+//
+// Spec: https://wicg.github.io/private-network-access/#integration-fetch
+//
+// These tests verify that secure contexts can navigate iframes to less-public
+// address spaces iff the target server responds affirmatively to preflight
+// requests.
+//
+// This file covers only those tests that must execute in a secure context.
+// Other tests are defined in: iframe.tentative.window.js
+
+setup(() => {
+  assert_true(window.isSecureContext);
+});
+
+// Source: secure local context.
+//
+// All fetches unaffected by Private Network Access.
+
+subsetTestByKey("from-local", promise_test_parallel, t => iframeTest(t, {
+  source: { server: Server.HTTPS_LOCAL },
+  target: { server: Server.HTTPS_LOCAL },
+  expected: FrameTestResult.SUCCESS,
+}), "local to local: no preflight required.");
+
+subsetTestByKey("from-local", promise_test_parallel, t => iframeTest(t, {
+  source: { server: Server.HTTPS_LOCAL },
+  target: { server: Server.HTTPS_PRIVATE },
+  expected: FrameTestResult.SUCCESS,
+}), "local to private: no preflight required.");
+
+subsetTestByKey("from-local", promise_test_parallel, t => iframeTest(t, {
+  source: { server: Server.HTTPS_LOCAL },
+  target: { server: Server.HTTPS_PUBLIC },
+  expected: FrameTestResult.SUCCESS,
+}), "local to public: no preflight required.");
+
+// Generates tests of preflight behavior for a single (source, target) pair.
+//
+// Scenarios:
+//
+// - parent navigates child:
+//   - preflight response has non-2xx HTTP code
+//   - preflight response is missing CORS headers
+//   - preflight response is missing the PNA-specific `Access-Control` header
+//   - success
+//
+function makePreflightTests({
+  key,
+  sourceName,
+  sourceServer,
+  sourceTreatAsPublic,
+  targetName,
+  targetServer,
+}) {
+  const prefix =
+      `${sourceName} to ${targetName}: `;
+
+  const source = {
+    server: sourceServer,
+    treatAsPublic: sourceTreatAsPublic,
+  };
+
+  promise_test_parallel(t => iframeTest(t, {
+    source,
+    target: {
+      server: targetServer,
+      behavior: { preflight: PreflightBehavior.failure() },
+    },
+    expected: FrameTestResult.FAILURE,
+  }), prefix + "failed preflight.");
+
+  promise_test_parallel(t => iframeTest(t, {
+    source,
+    target: {
+      server: targetServer,
+      behavior: { preflight: PreflightBehavior.noCorsHeader(token()) },
+    },
+    expected: FrameTestResult.FAILURE,
+  }), prefix + "missing CORS headers.");
+
+  promise_test_parallel(t => iframeTest(t, {
+    source,
+    target: {
+      server: targetServer,
+      behavior: { preflight: PreflightBehavior.noPnaHeader(token()) },
+    },
+    expected: FrameTestResult.FAILURE,
+  }), prefix + "missing PNA header.");
+
+  promise_test_parallel(t => iframeTest(t, {
+    source,
+    target: {
+      server: targetServer,
+      behavior: { preflight: PreflightBehavior.navigation(token()) },
+    },
+    expected: FrameTestResult.SUCCESS,
+  }), prefix + "success.");
+}
+
+// Source: private secure context.
+//
+// Fetches to the local address space require a successful preflight response
+// carrying a PNA-specific header.
+
+subsetTestByKey('from-private', makePreflightTests, {
+  sourceServer: Server.HTTPS_PRIVATE,
+  sourceName: 'private',
+  targetServer: Server.HTTPS_LOCAL,
+  targetName: 'local',
+});
+
+subsetTestByKey("from-private", promise_test_parallel, t => iframeTest(t, {
+  source: { server: Server.HTTPS_PRIVATE },
+  target: { server: Server.HTTPS_PRIVATE },
+  expected: FrameTestResult.SUCCESS,
+}), "private to private: no preflight required.");
+
+subsetTestByKey("from-private", promise_test_parallel, t => iframeTest(t, {
+  source: { server: Server.HTTPS_PRIVATE },
+  target: { server: Server.HTTPS_PUBLIC },
+  expected: FrameTestResult.SUCCESS,
+}), "private to public: no preflight required.");
+
+// Source: public secure context.
+//
+// Fetches to the local and private address spaces require a successful
+// preflight response carrying a PNA-specific header.
+
+subsetTestByKey('from-public', makePreflightTests, {
+  sourceServer: Server.HTTPS_PUBLIC,
+  sourceName: "public",
+  targetServer: Server.HTTPS_LOCAL,
+  targetName: "local",
+});
+
+subsetTestByKey('from-public', makePreflightTests, {
+  sourceServer: Server.HTTPS_PUBLIC,
+  sourceName: "public",
+  targetServer: Server.HTTPS_PRIVATE,
+  targetName: "private",
+});
+
+subsetTestByKey("from-public", promise_test_parallel, t => iframeTest(t, {
+  source: { server: Server.HTTPS_PUBLIC },
+  target: { server: Server.HTTPS_PUBLIC },
+  expected: FrameTestResult.SUCCESS,
+}), "public to public: no preflight required.");
+
+// The following tests verify that `CSP: treat-as-public-address` makes
+// documents behave as if they had been served from a public IP address.
+
+subsetTestByKey('from-treat-as-public', makePreflightTests, {
+  sourceServer: Server.HTTPS_LOCAL,
+  sourceTreatAsPublic: true,
+  sourceName: "treat-as-public-address",
+  targetServer: Server.OTHER_HTTPS_LOCAL,
+  targetName: "local",
+});
+
+subsetTestByKey(
+  'from-treat-as-public', promise_test_parallel,
+  t => iframeTest(t, {
+    source: {
+      server: Server.HTTPS_LOCAL,
+      treatAsPublic: true,
+    },
+    target: {server: Server.HTTPS_LOCAL},
+    expected: FrameTestResult.SUCCESS,
+  }),
+  'treat-as-public-address to local (same-origin): no preflight required.'
+);
+
+subsetTestByKey('from-treat-as-public', makePreflightTests, {
+  sourceServer: Server.HTTPS_LOCAL,
+  sourceTreatAsPublic: true,
+  sourceName: "treat-as-public-address",
+  targetServer: Server.HTTPS_PRIVATE,
+  targetName: "private",
+});
+
+subsetTestByKey(
+  'from-treat-as-public', promise_test_parallel,
+  t => iframeTest(t, {
+    source: {
+      server: Server.HTTPS_LOCAL,
+      treatAsPublic: true,
+    },
+    target: {server: Server.HTTPS_PUBLIC},
+    expected: FrameTestResult.SUCCESS,
+  }),
+  'treat-as-public-address to public: no preflight required.'
+);
+
+subsetTestByKey(
+  'from-treat-as-public', promise_test_parallel,
+  t => iframeTest(t, {
+    source: {
+      server: Server.HTTPS_LOCAL,
+      treatAsPublic: true,
+    },
+    target: {
+      server: Server.HTTPS_PUBLIC,
+      behavior: {preflight: PreflightBehavior.optionalSuccess(token())}
+    },
+    expected: FrameTestResult.SUCCESS,
+  }),
+  'treat-as-public-address to local: optional preflight'
+);
+
+// The following tests verify that when a grandparent frame navigates its
+// grandchild, the IP address space of the grandparent is compared against the
+// IP address space of the response. Indeed, the navigation initiator in this
+// case is the grandparent, not the parent.
+
+subsetTestByKey('grandparent', iframeGrandparentTest, {
+  name: 'local to local, grandparent navigates: no preflight required.',
+  grandparentServer: Server.HTTPS_LOCAL,
+  child: {server: Server.HTTPS_PUBLIC},
+  grandchild: {server: Server.OTHER_HTTPS_LOCAL},
+  expected: FrameTestResult.SUCCESS,
+});
+
+subsetTestByKey('grandparent', iframeGrandparentTest, {
+  name: "local to local (same-origin), grandparent navigates: no preflight required.",
+  grandparentServer: Server.HTTPS_LOCAL,
+  child: { server: Server.HTTPS_PUBLIC },
+  grandchild: { server: Server.HTTPS_LOCAL },
+  expected: FrameTestResult.SUCCESS,
+});
+
+subsetTestByKey('grandparent', iframeGrandparentTest, {
+  name: "public to local, grandparent navigates: failure.",
+  grandparentServer: Server.HTTPS_PUBLIC,
+  child: {
+    server: Server.HTTPS_LOCAL,
+    behavior: { preflight: PreflightBehavior.navigation(token()) },
+  },
+  grandchild: {
+    server: Server.HTTPS_LOCAL,
+    behavior: { preflight: PreflightBehavior.failure() },
+  },
+  expected: FrameTestResult.FAILURE,
+});
+
+subsetTestByKey('grandparent', iframeGrandparentTest, {
+  name: "public to local, grandparent navigates: success.",
+  grandparentServer: Server.HTTPS_PUBLIC,
+  child: {
+    server: Server.HTTPS_LOCAL,
+    behavior: { preflight: PreflightBehavior.navigation(token()) },
+  },
+  grandchild: {
+    server: Server.HTTPS_LOCAL,
+    behavior: { preflight: PreflightBehavior.navigation(token()) },
+  },
+  expected: FrameTestResult.SUCCESS,
+});