1 files changed, 217 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..5636270ea6
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+++ b/testing/web-platform/tests/fetch/private-network-access/iframe.tentative.https.window.js
@@ -0,0 +1,217 @@
+// META: script=/common/dispatcher/dispatcher.js
+// META: script=/common/utils.js
+// META: script=resources/support.sub.js
+//
+// Spec: https://wicg.github.io/private-network-access/#integration-fetch
+//
+// These tests verify that 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.
+
+promise_test_parallel(t => iframeTest(t, {
+  source: { server: Server.HTTPS_LOCAL },
+  target: { server: Server.HTTPS_LOCAL },
+  expected: IframeTestResult.SUCCESS,
+}), "local to local: no preflight required.");
+
+promise_test_parallel(t => iframeTest(t, {
+  source: { server: Server.HTTPS_LOCAL },
+  target: { server: Server.HTTPS_PRIVATE },
+  expected: IframeTestResult.SUCCESS,
+}), "local to private: no preflight required.");
+
+promise_test_parallel(t => iframeTest(t, {
+  source: { server: Server.HTTPS_LOCAL },
+  target: { server: Server.HTTPS_PUBLIC },
+  expected: IframeTestResult.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({
+  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: IframeTestResult.FAILURE,
+  }), prefix + "failed preflight.");
+
+  promise_test_parallel(t => iframeTest(t, {
+    source,
+    target: {
+      server: targetServer,
+      behavior: { preflight: PreflightBehavior.noCorsHeader(token()) },
+    },
+    expected: IframeTestResult.FAILURE,
+  }), prefix + "missing CORS headers.");
+
+  promise_test_parallel(t => iframeTest(t, {
+    source,
+    target: {
+      server: targetServer,
+      behavior: { preflight: PreflightBehavior.noPnaHeader(token()) },
+    },
+    expected: IframeTestResult.FAILURE,
+  }), prefix + "missing PNA header.");
+
+  promise_test_parallel(t => iframeTest(t, {
+    source,
+    target: {
+      server: targetServer,
+      behavior: { preflight: PreflightBehavior.success(token()) },
+    },
+    expected: IframeTestResult.SUCCESS,
+  }), prefix + "success.");
+}
+
+// Source: private secure context.
+//
+// Fetches to the local address space require a successful preflight response
+// carrying a PNA-specific header.
+
+makePreflightTests({
+  sourceServer: Server.HTTPS_PRIVATE,
+  sourceName: "private",
+  targetServer: Server.HTTPS_LOCAL,
+  targetName: "local",
+});
+
+promise_test_parallel(t => iframeTest(t, {
+  source: { server: Server.HTTPS_PRIVATE },
+  target: { server: Server.HTTPS_PRIVATE },
+  expected: IframeTestResult.SUCCESS,
+}), "private to private: no preflight required.");
+
+promise_test_parallel(t => iframeTest(t, {
+  source: { server: Server.HTTPS_PRIVATE },
+  target: { server: Server.HTTPS_PUBLIC },
+  expected: IframeTestResult.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.
+
+makePreflightTests({
+  sourceServer: Server.HTTPS_PUBLIC,
+  sourceName: "public",
+  targetServer: Server.HTTPS_LOCAL,
+  targetName: "local",
+});
+
+makePreflightTests({
+  sourceServer: Server.HTTPS_PUBLIC,
+  sourceName: "public",
+  targetServer: Server.HTTPS_PRIVATE,
+  targetName: "private",
+});
+
+promise_test_parallel(t => iframeTest(t, {
+  source: { server: Server.HTTPS_PUBLIC },
+  target: { server: Server.HTTPS_PUBLIC },
+  expected: IframeTestResult.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.
+
+makePreflightTests({
+  sourceServer: Server.HTTPS_LOCAL,
+  sourceTreatAsPublic: true,
+  sourceName: "treat-as-public-address",
+  targetServer: Server.HTTPS_LOCAL,
+  targetName: "local",
+});
+
+makePreflightTests({
+  sourceServer: Server.HTTPS_LOCAL,
+  sourceTreatAsPublic: true,
+  sourceName: "treat-as-public-address",
+  targetServer: Server.HTTPS_PRIVATE,
+  targetName: "private",
+});
+
+promise_test_parallel(t => iframeTest(t, {
+  source: {
+    server: Server.HTTPS_LOCAL,
+    treatAsPublic: true,
+  },
+  target: { server: Server.HTTPS_PUBLIC },
+  expected: IframeTestResult.SUCCESS,
+}), "treat-as-public-address to public: no preflight required.");
+
+// 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.
+
+iframeGrandparentTest({
+  name: "local to local, grandparent navigates: no preflight required.",
+  grandparentServer: Server.HTTPS_LOCAL,
+  child: { server: Server.HTTPS_PUBLIC },
+  grandchild: { server: Server.HTTPS_LOCAL },
+  expected: IframeTestResult.SUCCESS,
+});
+
+iframeGrandparentTest({
+  name: "public to local, grandparent navigates: failure.",
+  grandparentServer: Server.HTTPS_PUBLIC,
+  child: {
+    server: Server.HTTPS_LOCAL,
+    behavior: { preflight: PreflightBehavior.success(token()) },
+  },
+  grandchild: {
+    server: Server.HTTPS_LOCAL,
+    behavior: { preflight: PreflightBehavior.failure() },
+  },
+  expected: IframeTestResult.FAILURE,
+});
+
+iframeGrandparentTest({
+  name: "public to local, grandparent navigates: success.",
+  grandparentServer: Server.HTTPS_PUBLIC,
+  child: {
+    server: Server.HTTPS_LOCAL,
+    behavior: { preflight: PreflightBehavior.success(token()) },
+  },
+  grandchild: {
+    server: Server.HTTPS_LOCAL,
+    behavior: { preflight: PreflightBehavior.success(token()) },
+  },
+  expected: IframeTestResult.SUCCESS,
+});