Replicate feature policy container policies.

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/html/HTMLIFrameElement.h"
 
 #include "core/dom/Document.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
@@ skipping 11 matching lines @@
 
 // Test setting feature policy via the DOMTokenList (JS codepath).
 TEST(HTMLIFrameElementTest, SetAllowAttributeJS) {
   Document* document = Document::Create();
   HTMLIFrameElement* iframe = HTMLIFrameElement::Create(*document);
 
   iframe->allow()->setValue("fullscreen");
   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 iframes with relative src urls correctly construct their origin
+// 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(0UL, container_policy.size());
+}
+
+// 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(1UL, container_policy1.size());
+  EXPECT_EQ(WebFeaturePolicyFeature::kFullscreen, container_policy1[0].feature);
+  EXPECT_FALSE(container_policy1[0].matches_all_origins);
+  EXPECT_EQ(1UL, container_policy1[0].origins.size());
+  EXPECT_EQ("http://example.net", container_policy1[0].origins[0].ToString());
+
+  frame_element->setAttribute(HTMLNames::allowAttr, "payment fullscreen");
+  frame_element->UpdateContainerPolicyForTests();
+
+  const WebParsedFeaturePolicy& container_policy2 =
+      frame_element->ContainerPolicy();
+  EXPECT_EQ(2UL, container_policy2.size());
+  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(1UL, container_policy2[0].origins.size());
+  EXPECT_EQ("http://example.net", container_policy2[0].origins[0].ToString());
+  EXPECT_FALSE(container_policy2[1].matches_all_origins);
+  EXPECT_EQ(1UL, container_policy2[1].origins.size());
+  EXPECT_EQ("http://example.net", container_policy2[1].origins[0].ToString());
+}
+
+// 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_policy =
+      frame_element->ContainerPolicy();
+
+  EXPECT_EQ(1UL, container_policy.size());
+  EXPECT_EQ(WebFeaturePolicyFeature::kFullscreen, container_policy[0].feature);
+  EXPECT_FALSE(container_policy[0].matches_all_origins);
+  EXPECT_EQ(1UL, container_policy[0].origins.size());
+  EXPECT_TRUE(container_policy[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_policy =
+      frame_element->ContainerPolicy();
+
+  EXPECT_EQ(1UL, container_policy.size());
+  EXPECT_EQ(WebFeaturePolicyFeature::kFullscreen, container_policy[0].feature);
+  EXPECT_FALSE(container_policy[0].matches_all_origins);
+  EXPECT_EQ(1UL, container_policy[0].origins.size());
+  EXPECT_FALSE(container_policy[0].origins[0].IsUnique());
+  EXPECT_EQ("http://example.net", container_policy[0].origins[0].ToString());
+}
+
 }  // namespace blink