Replicate feature policy container policies.

third_party/WebKit/Source/core/html/HTMLIFrameElementTest.cpp

Index: third_party/WebKit/Source/core/html/HTMLIFrameElementTest.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLIFrameElementTest.cpp b/third_party/WebKit/Source/core/html/HTMLIFrameElementTest.cpp
index 2df838ca7e857bb3c30a276aee042b220dfd6e83..88717bb3d742b5165dd6447ac290d016ab0f51b7 100644
--- a/third_party/WebKit/Source/core/html/HTMLIFrameElementTest.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLIFrameElementTest.cpp
@@ -29,4 +29,253 @@ TEST(HTMLIFrameElementTest, SetAllowAttributeJS) {
   EXPECT_EQ("fullscreen", iframe->getAttribute(HTMLNames::allowAttr));
 }
 
+// Test that the correct origin is used when constructing the container policy,
+// and that frames which should inherit their parent document's origin do so.
+TEST(HTMLIFrameElementTest, FramesUseCorrectOrigin) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::srcAttr, "about:blank");
+  RefPtr<SecurityOrigin> effective_origin =
+      frame_element->GetOriginForFeaturePolicy();
+  EXPECT_TRUE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+
+  frame_element->setAttribute(HTMLNames::srcAttr,
+                              "data:text/html;base64,PHRpdGxlPkFCQzwvdGl0bGU+");
+  effective_origin = frame_element->GetOriginForFeaturePolicy();
+  EXPECT_FALSE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+  EXPECT_TRUE(effective_origin->IsUnique());
+
+  frame_element->setAttribute(HTMLNames::srcAttr, "http://example.net/");
+  effective_origin = frame_element->GetOriginForFeaturePolicy();
+  EXPECT_FALSE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+  EXPECT_FALSE(effective_origin->IsUnique());
+}
+
+// Test that a unique origin is used when constructing the container policy in a
+// sandboxed iframe.
+TEST(HTMLIFrameElementTest, SandboxFramesUseCorrectOrigin) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::sandboxAttr, "");
+  frame_element->setAttribute(HTMLNames::srcAttr, "http://example.com/");
+  RefPtr<SecurityOrigin> effective_origin =
+      frame_element->GetOriginForFeaturePolicy();
+  EXPECT_FALSE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+  EXPECT_TRUE(effective_origin->IsUnique());
+
+  frame_element->setAttribute(HTMLNames::srcAttr, "http://example.net/");
+  effective_origin = frame_element->GetOriginForFeaturePolicy();
+  EXPECT_FALSE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+  EXPECT_TRUE(effective_origin->IsUnique());
+}
+
+// Test that a sandboxed iframe with the allow-same-origin sandbox flag uses the
+// parent document's origin for the container policy.
+TEST(HTMLIFrameElementTest, SameOriginSandboxFramesUseCorrectOrigin) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::sandboxAttr, "allow-same-origin");
+  frame_element->setAttribute(HTMLNames::srcAttr, "http://example.com/");
+  RefPtr<SecurityOrigin> effective_origin =
+      frame_element->GetOriginForFeaturePolicy();
+  EXPECT_TRUE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+  EXPECT_FALSE(effective_origin->IsUnique());
+}
+
+// Test that the parent document's origin is used when constructing the
+// container policy in a srcdoc iframe.
+TEST(HTMLIFrameElementTest, SrcdocFramesUseCorrectOrigin) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::srcdocAttr, "<title>title</title>");
+  RefPtr<SecurityOrigin> effective_origin =
+      frame_element->GetOriginForFeaturePolicy();
+  EXPECT_TRUE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+}
+
+// Test that a unique origin is used when constructing the container policy in a
+// sandboxed iframe with a srcdoc.
+TEST(HTMLIFrameElementTest, SandboxedSrcdocFramesUseCorrectOrigin) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::sandboxAttr, "");
+  frame_element->setAttribute(HTMLNames::srcdocAttr, "<title>title</title>");
+  RefPtr<SecurityOrigin> effective_origin =
+      frame_element->GetOriginForFeaturePolicy();
+  EXPECT_FALSE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+  EXPECT_TRUE(effective_origin->IsUnique());
+}
+
+// Test that a iframes with relative src urls correctly construct their origin

[alexmos, 2017/04/14 23:42:45]

nit: remove "a" before iframes

[iclelland, 2017/04/15 03:36:06]

Done.

+// relative to the parent document.
+TEST(HTMLIFrameElementTest, RelativeURLsUseCorrectOrigin) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  // Host-relative URLs should resolve to the same domain as the parent.
+  frame_element->setAttribute(HTMLNames::srcAttr, "index2.html");
+  RefPtr<SecurityOrigin> effective_origin =
+      frame_element->GetOriginForFeaturePolicy();
+  EXPECT_TRUE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+
+  // Scheme-relative URLs should not resolve to the same domain as the parent.
+  frame_element->setAttribute(HTMLNames::srcAttr, "//example.net/index2.html");
+  effective_origin = frame_element->GetOriginForFeaturePolicy();
+  EXPECT_FALSE(
+      effective_origin->IsSameSchemeHostPort(document->GetSecurityOrigin()));
+}
+
+// Test that various iframe attribute configurations result in the correct
+// container policies.
+
+// Test that the correct container policy is constructed on an iframe element.
+TEST(HTMLIFrameElementTest, DefaultContainerPolicy) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::srcAttr, "http://example.net/");
+  frame_element->UpdateContainerPolicyForTests();
+
+  const WebParsedFeaturePolicy& container_policy =
+      frame_element->ContainerPolicy();
+  EXPECT_EQ(container_policy.size(), 0UL);

[alexmos, 2017/04/14 23:42:45]

nit: reverse order
(should be (expected, actual) - also in a bunch of places below.  This matters
from failure output)

[iclelland, 2017/04/15 03:36:06]

Thanks, all fixed now.

+}
+
+// Test that the allow attribute results in a container policy which is
+// restricted to the domain in the src attribute.
+TEST(HTMLIFrameElementTest, AllowAttributeContainerPolicy) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::srcAttr, "http://example.net/");
+  frame_element->setAttribute(HTMLNames::allowAttr, "fullscreen");
+  frame_element->UpdateContainerPolicyForTests();
+
+  const WebParsedFeaturePolicy& container_policy1 =
+      frame_element->ContainerPolicy();
+
+  EXPECT_EQ(container_policy1.size(), 1UL);
+  EXPECT_EQ(container_policy1[0].feature, WebFeaturePolicyFeature::kFullscreen);
+  EXPECT_FALSE(container_policy1[0].matches_all_origins);
+  EXPECT_EQ(container_policy1[0].origins.size(), 1UL);
+  EXPECT_EQ(container_policy1[0].origins[0].ToString(), "http://example.net");
+
+  frame_element->setAttribute(HTMLNames::allowAttr, "payment fullscreen");
+  frame_element->UpdateContainerPolicyForTests();
+
+  const WebParsedFeaturePolicy& container_policy2 =
+      frame_element->ContainerPolicy();
+  EXPECT_EQ(container_policy2.size(), 2UL);
+  EXPECT_TRUE(
+      container_policy2[0].feature == WebFeaturePolicyFeature::kFullscreen ||
+      container_policy2[1].feature == WebFeaturePolicyFeature::kFullscreen);
+  EXPECT_TRUE(
+      container_policy2[0].feature == WebFeaturePolicyFeature::kPayment ||
+      container_policy2[1].feature == WebFeaturePolicyFeature::kPayment);
+  EXPECT_FALSE(container_policy2[0].matches_all_origins);
+  EXPECT_EQ(container_policy2[0].origins.size(), 1UL);
+  EXPECT_EQ(container_policy2[0].origins[0].ToString(), "http://example.net");
+  EXPECT_FALSE(container_policy2[1].matches_all_origins);
+  EXPECT_EQ(container_policy2[1].origins.size(), 1UL);
+  EXPECT_EQ(container_policy2[1].origins[0].ToString(), "http://example.net");
+}
+
+// Test that the allow attribute on a sandboxed frame results in a container
+// policy which is restricted to a unique origin.
+TEST(HTMLIFrameElementTest, SandboxAttributeContainerPolicy) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::srcAttr, "http://example.net/");
+  frame_element->setAttribute(HTMLNames::allowAttr, "fullscreen");
+  frame_element->setAttribute(HTMLNames::sandboxAttr, "");
+  frame_element->UpdateContainerPolicyForTests();
+
+  const WebParsedFeaturePolicy& container_policy1 =

[alexmos, 2017/04/14 23:42:45]

nit: can probably drop the "1" here, also below

[iclelland, 2017/04/15 03:36:06]

Definitely, thanks. Done. (And below)

+      frame_element->ContainerPolicy();
+
+  EXPECT_EQ(container_policy1.size(), 1UL);
+  EXPECT_EQ(container_policy1[0].feature, WebFeaturePolicyFeature::kFullscreen);
+  EXPECT_FALSE(container_policy1[0].matches_all_origins);
+  EXPECT_EQ(container_policy1[0].origins.size(), 1UL);
+  EXPECT_TRUE(container_policy1[0].origins[0].IsUnique());
+}
+
+// Test that the allow attribute on a sandboxed frame with the allow-same-origin
+// flag results in a container policy which is restricted to the origin of the
+// containing document.
+TEST(HTMLIFrameElementTest, SameOriginSandboxAttributeContainerPolicy) {
+  Document* document = Document::Create();
+  KURL document_url = KURL(KURL(), "http://example.com");
+  document->SetURL(document_url);
+  document->UpdateSecurityOrigin(SecurityOrigin::Create(document_url));
+
+  HTMLIFrameElement* frame_element = HTMLIFrameElement::Create(*document);
+
+  frame_element->setAttribute(HTMLNames::srcAttr, "http://example.net/");
+  frame_element->setAttribute(HTMLNames::allowAttr, "fullscreen");
+  frame_element->setAttribute(HTMLNames::sandboxAttr, "allow-same-origin");
+  frame_element->UpdateContainerPolicyForTests();
+
+  const WebParsedFeaturePolicy& container_policy1 =
+      frame_element->ContainerPolicy();
+
+  EXPECT_EQ(container_policy1.size(), 1UL);
+  EXPECT_EQ(container_policy1[0].feature, WebFeaturePolicyFeature::kFullscreen);
+  EXPECT_FALSE(container_policy1[0].matches_all_origins);
+  EXPECT_EQ(container_policy1[0].origins.size(), 1UL);
+  EXPECT_FALSE(container_policy1[0].origins[0].IsUnique());
+  EXPECT_EQ(container_policy1[0].origins[0].ToString(), "http://example.net");
+}
+
 }  // namespace blink