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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "content/browser/site_instance_impl.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/navigation_simulator.h"
#include "content/public/test/test_renderer_host.h"
#include "content/test/test_render_frame_host.h"
#include "services/network/public/cpp/permissions_policy/origin_with_possible_wildcards.h"
#include "services/network/public/cpp/permissions_policy/permissions_policy_declaration.h"
#include "services/network/public/mojom/permissions_policy/permissions_policy_feature.mojom-shared.h"
#include "third_party/blink/public/common/frame/frame_policy.h"
#include "third_party/blink/public/mojom/frame/deferred_fetch_policy.mojom-shared.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
// Integration tests for permissions policy setup and querying through a RFH.
// These tests are not meant to cover every edge case as the PermissionsPolicy
// class itself is tested thoroughly in permissions_policy_unittest.cc. Instead
// they are meant to ensure that integration with RenderFrameHost works
// correctly.
class RenderFrameHostPermissionsPolicyTest
: public content::RenderViewHostTestHarness {
protected:
static constexpr const char* kOrigin1 = "https://google.com";
static constexpr const char* kOrigin2 = "https://maps.google.com";
static constexpr const char* kOrigin3 = "https://example.com";
static constexpr const char* kOrigin4 = "https://test.com";
static const network::mojom::PermissionsPolicyFeature kDefaultEnabledFeature =
network::mojom::PermissionsPolicyFeature::kSyncXHR;
static const network::mojom::PermissionsPolicyFeature kDefaultSelfFeature =
network::mojom::PermissionsPolicyFeature::kGeolocation;
RenderFrameHost* GetMainRFH(const char* origin) {
RenderFrameHost* result = web_contents()->GetPrimaryMainFrame();
RenderFrameHostTester::For(result)->InitializeRenderFrameIfNeeded();
SimulateNavigation(&result, GURL(origin));
return result;
}
RenderFrameHost* AddChildRFH(RenderFrameHost* parent, const char* origin) {
RenderFrameHost* result =
RenderFrameHostTester::For(parent)->AppendChild("");
RenderFrameHostTester::For(result)->InitializeRenderFrameIfNeeded();
SimulateNavigation(&result, GURL(origin));
return result;
}
// The header policy should only be set once on page load, so we refresh the
// page to simulate that.
void RefreshPageAndSetHeaderPolicy(
RenderFrameHost** rfh,
network::mojom::PermissionsPolicyFeature feature,
const std::vector<std::string>& origins) {
RenderFrameHost* current = *rfh;
auto navigation = NavigationSimulator::CreateRendererInitiated(
current->GetLastCommittedURL(), current);
navigation->SetPermissionsPolicyHeader(CreateFPHeader(feature, origins));
navigation->Commit();
*rfh = navigation->GetFinalRenderFrameHost();
}
void SetContainerPolicy(RenderFrameHost* parent,
RenderFrameHost* child,
network::mojom::PermissionsPolicyFeature feature,
const std::vector<std::string>& origins) {
// If kOriginKeyedProcessesByDefault is enabled, then it's possible that
// `parent` and `child` are cross-process to each other even if they're same
// site (as some of the tests below assume). In that case, we need to use
// the FrameToken from the proxy instead.
bool child_uses_proxy =
static_cast<SiteInstanceImpl*>(parent->GetSiteInstance())->group() !=
static_cast<SiteInstanceImpl*>(child->GetSiteInstance())->group();
blink::FrameToken frame_token;
// Note: we can't assign from a ternary here since blink::LocalFrameToken
// and blink::RemoteFrameToken are incompatible types.
if (child_uses_proxy) {
frame_token = static_cast<RenderFrameHostImpl*>(child)
->GetProxyToParent()
->GetFrameToken();
} else {
frame_token = child->GetFrameToken();
}
static_cast<TestRenderFrameHost*>(parent)->DidChangeFramePolicy(
frame_token, {network::mojom::WebSandboxFlags::kNone,
CreateFPHeader(feature, origins),
{} /* required_document_policy */,
blink::mojom::DeferredFetchPolicy::kDisabled});
}
void SimulateNavigation(RenderFrameHost** rfh, const GURL& url) {
auto navigation_simulator =
NavigationSimulator::CreateRendererInitiated(url, *rfh);
navigation_simulator->Commit();
*rfh = navigation_simulator->GetFinalRenderFrameHost();
}
private:
network::ParsedPermissionsPolicy CreateFPHeader(
network::mojom::PermissionsPolicyFeature feature,
const std::vector<std::string>& origins) {
network::ParsedPermissionsPolicy result(1);
result[0].feature = feature;
for (auto const& origin : origins) {
result[0].allowed_origins.emplace_back(
*network::OriginWithPossibleWildcards::FromOrigin(
url::Origin::Create(GURL(origin))));
}
return result;
}
};
TEST_F(RenderFrameHostPermissionsPolicyTest, DefaultPolicy) {
RenderFrameHost* parent = GetMainRFH(kOrigin1);
RenderFrameHost* child = AddChildRFH(parent, kOrigin2);
EXPECT_TRUE(parent->IsFeatureEnabled(kDefaultEnabledFeature));
EXPECT_TRUE(parent->IsFeatureEnabled(kDefaultSelfFeature));
EXPECT_TRUE(child->IsFeatureEnabled(kDefaultEnabledFeature));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
}
TEST_F(RenderFrameHostPermissionsPolicyTest, HeaderPolicy) {
RenderFrameHost* parent = GetMainRFH(kOrigin1);
// Enable the feature for the child in the parent frame.
RefreshPageAndSetHeaderPolicy(&parent, kDefaultSelfFeature,
{std::string(kOrigin1), std::string(kOrigin2)});
// Create the child.
RenderFrameHost* child = AddChildRFH(parent, kOrigin2);
EXPECT_TRUE(parent->IsFeatureEnabled(kDefaultSelfFeature));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
// Set an empty allowlist in the child to test that the policies combine
// correctly.
RefreshPageAndSetHeaderPolicy(&child, kDefaultSelfFeature,
std::vector<std::string>());
EXPECT_TRUE(parent->IsFeatureEnabled(kDefaultSelfFeature));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
// Re-enable the feature in the child.
RefreshPageAndSetHeaderPolicy(&child, kDefaultSelfFeature,
{std::string(kOrigin2)});
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
// Navigate the child. Check that the feature is disabled.
SimulateNavigation(&child, GURL(kOrigin3));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
}
TEST_F(RenderFrameHostPermissionsPolicyTest, ContainerPolicy) {
RenderFrameHost* parent = GetMainRFH(kOrigin1);
RenderFrameHost* child = AddChildRFH(parent, kOrigin2);
// Set a container policy on origin 3 to give it the feature. It should not
// be enabled because container policy will only take effect after navigation.
SetContainerPolicy(parent, child, kDefaultSelfFeature,
{std::string(kOrigin2), std::string(kOrigin3)});
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
// Navigate the child so that the container policy takes effect.
SimulateNavigation(&child, GURL(kOrigin3));
EXPECT_TRUE(child->IsFeatureEnabled(kDefaultSelfFeature));
// Navigate the child again, the feature should not be enabled.
SimulateNavigation(&child, GURL(kOrigin4));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
}
TEST_F(RenderFrameHostPermissionsPolicyTest, HeaderAndContainerPolicy) {
RenderFrameHost* parent = GetMainRFH(kOrigin1);
// Set a header policy and container policy. Check that they both take effect.
RefreshPageAndSetHeaderPolicy(&parent, kDefaultSelfFeature,
{std::string(kOrigin1), std::string(kOrigin2)});
RenderFrameHost* child = AddChildRFH(parent, kOrigin2);
SetContainerPolicy(parent, child, kDefaultSelfFeature,
{std::string(kOrigin2), std::string(kOrigin3)});
// The feature should be enabled in kOrigin2, kOrigin3 but not kOrigin4.
SimulateNavigation(&child, GURL(kOrigin2));
EXPECT_TRUE(child->IsFeatureEnabled(kDefaultSelfFeature));
SimulateNavigation(&child, GURL(kOrigin3));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
SimulateNavigation(&child, GURL(kOrigin4));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
// Change the header policy to turn off the feature. It should be disabled in
// all children.
RefreshPageAndSetHeaderPolicy(&parent, kDefaultSelfFeature,
std::vector<std::string>());
child = AddChildRFH(parent, kOrigin2);
SetContainerPolicy(parent, child, kDefaultSelfFeature,
{std::string(kOrigin3)});
SimulateNavigation(&child, GURL(kOrigin2));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
SimulateNavigation(&child, GURL(kOrigin3));
EXPECT_FALSE(child->IsFeatureEnabled(kDefaultSelfFeature));
}
} // namespace content
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