Import wpt@503f5b5f78ec4e87d144f78609f363f0ed0ea8db

third_party/WebKit/LayoutTests/external/wpt/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js

Index: third_party/WebKit/LayoutTests/external/wpt/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js
diff --git a/third_party/WebKit/LayoutTests/external/wpt/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js b/third_party/WebKit/LayoutTests/external/wpt/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js
new file mode 100644
index 0000000000000000000000000000000000000000..c5f07e9bd458c55ab6542beb5f85972582a73544
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/external/wpt/content-security-policy/embedded-enforcement/support/testharness-helper.sub.js
@@ -0,0 +1,136 @@
+const Host = {
+  SAME_ORIGIN: "same-origin",
+  CROSS_ORIGIN: "cross-origin",
+};
+
+const PolicyHeader = {
+  CSP: "echo-policy.py?policy=",
+  CSP_MULTIPLE: "echo-policy-multiple.py",
+  EMBEDDING_CSP: "echo-embedding-csp.py",
+  ALLOW_CSP_FROM: "echo-allow-csp-from.py",
+};
+
+const IframeLoad = {
+  EXPECT_BLOCK: true,
+  EXPECT_LOAD: false,
+};
+
+function getOrigin() {
+  var url = new URL("http://{{host}}:{{ports[http][0]}}/");
+  return url.toString();
+}
+
+function getCrossOrigin() {
+  var url = new URL("http://{{domains[天気の良い日]}}:{{ports[http][0]}}/");
+  return url.toString();
+}
+
+function getSecureCrossOrigin() {
+  // Since wptserve spins up servers on non-default port, 'self' matches
+  // http://[host]:[specified-port] and https://[host]:[specified-port], but not
+  // https://[host]:[https-port]. So, we use the http port for this https origin
+  // in order to verify that a secure variant of a non-secure URL matches 'self'.
+  var url = new URL("https://{{domains[天気の良い日]}}:{{ports[http][0]}}");
+  return url.toString();
+}
+
+function generateURL(host, path) {
+  var url = new URL("http://{{host}}:{{ports[http][0]}}/content-security-policy/embedded-enforcement/support/");
+  url.hostname = host == Host.SAME_ORIGIN ? "{{host}}" : "{{domains[天気の良い日]}}";
+  url.pathname += path;
+
+  return url;
+}
+
+function generateURLString(host, path) {
+  return generateURL(host, path).toString();
+}
+
+function generateRedirect(host, target) {
+  var url = new URL("http://{{host}}:{{ports[http][0]}}/common/redirect.py?location=" +
+   encodeURIComponent(target));
+  url.hostname = host == Host.SAME_ORIGIN ? "{{host}}" : "{{domains[天気の良い日]}}";
+
+  return url.toString();
+}
+
+function generateUrlWithPolicies(host, policy) {
+  var url = generateURL(host, PolicyHeader.CSP_MULTIPLE);
+  if (policy != null)
+    url.searchParams.append("policy", policy);
+  return url;
+}
+
+function generateUrlWithAllowCSPFrom(host, allowCspFrom) {
+  var url = generateURL(host, PolicyHeader.ALLOW_CSP_FROM);
+  if (allowCspFrom != null)
+    url.searchParams.append("allow_csp_from", allowCspFrom);
+  return url;
+}
+
+function assert_embedding_csp(t, url, csp, expected) {
+  var i = document.createElement('iframe');
+  if(csp)
+    i.csp = csp;
+  i.src = url;
+
+  window.addEventListener('message', t.step_func(e => {
+    if (e.source != i.contentWindow || !('embedding_csp' in e.data))
+        return;
+    assert_equals(expected, e.data['embedding_csp']);
+    t.done();
+  }));
+
+  document.body.appendChild(i);
+}
+
+function assert_iframe_with_csp(t, url, csp, shouldBlock, urlId, blockedURI) {
+  var i = document.createElement('iframe');
+  url.searchParams.append("id", urlId);
+  i.src = url.toString();
+  if (csp != null)
+    i.csp = csp;
+
+  var loaded = {};
+  window.addEventListener("message", function (e) {
+    if (e.source != i.contentWindow)
+        return;
+    if (e.data["loaded"])
+        loaded[e.data["id"]] = true;
+  });
+
+  if (shouldBlock) {
+    // Assert iframe does not load and is inaccessible.
+    window.onmessage = function (e) {
+      if (e.source != i.contentWindow)
+          return;
+      t.unreached_func('No message should be sent from the frame.');
+    }
+    i.onload = t.step_func(function () {
+      // Delay the check until after the postMessage has a chance to execute.
+      setTimeout(t.step_func_done(function () {
+        assert_equals(loaded[urlId], undefined);
+      }), 1);
+      assert_throws("SecurityError", () => {
+        var x = i.contentWindow.location.href;
+      });
+    });
+  } else if (blockedURI) {
+    // Assert iframe loads with an expected violation.
+    window.addEventListener('message', t.step_func(e => {
+      if (e.source != i.contentWindow)
+        return;
+      assert_equals(e.data["blockedURI"], blockedURI);
+      t.done();
+    }));
+  } else {
+    // Assert iframe loads.
+    i.onload = t.step_func(function () {
+      // Delay the check until after the postMessage has a chance to execute.
+      setTimeout(t.step_func_done(function () {
+        assert_true(loaded[urlId]);
+      }), 1);
+    });
+  }
+  document.body.appendChild(i);
+}