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content / browser / renderer_host / navigation_policy_container_builder_unittest.cc [blame]
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/navigation_policy_container_builder.h"
#include <iosfwd>
#include <utility>
#include "base/files/file_path.h"
#include "base/test/bind.h"
#include "base/test/gtest_util.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/test/navigation_simulator.h"
#include "content/test/test_render_view_host.h"
#include "content/test/test_web_contents.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "services/network/public/mojom/content_security_policy.mojom.h"
#include "services/network/public/mojom/referrer_policy.mojom-shared.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/url_constants.h"
namespace content {
namespace {
using ::testing::ByRef;
using ::testing::Eq;
using ::testing::IsNull;
using ::testing::NotNull;
using ::testing::Pointee;
using ::testing::SizeIs;
network::mojom::ContentSecurityPolicyPtr MakeTestCSP() {
auto csp = network::mojom::ContentSecurityPolicy::New();
csp->header = network::mojom::ContentSecurityPolicyHeader::New();
csp->header->header_value = "some-directive some-value";
return csp;
}
// Returns non-default policies for use in tests.
PolicyContainerPolicies MakeTestPolicies() {
std::vector<network::mojom::ContentSecurityPolicyPtr> csp_list;
csp_list.push_back(MakeTestCSP());
return PolicyContainerPolicies(
network::mojom::ReferrerPolicy::kAlways,
network::mojom::IPAddressSpace::kPublic,
/*is_web_secure_context=*/true, std::move(csp_list),
network::CrossOriginOpenerPolicy(), network::CrossOriginEmbedderPolicy(),
network::DocumentIsolationPolicy(),
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false,
/*can_navigate_top_without_user_gesture=*/true,
/*allow_cross_origin_isolation=*/false);
}
// Shorthand.
scoped_refptr<PolicyContainerHost> NewHost(PolicyContainerPolicies policies) {
return base::MakeRefCounted<PolicyContainerHost>(std::move(policies));
}
GURL AboutBlankUrl() {
return GURL(url::kAboutBlankURL);
}
GURL AboutSrcdocUrl() {
return GURL(url::kAboutSrcdocURL);
}
// RenderViewHostImplTestHarness allows interacting with RenderFrameHosts in the
// form of TestRenderFrameHosts. This allows us to easily set policies on frames
// for testing. It also instantiates a BrowserTaskEnvironment so that tests are
// executed "on the UI thread".
//
// This test fixture is moderately expensive to set up (~100ms overhead per
// test), but still an order of magnitude faster than browser tests.
class NavigationPolicyContainerBuilderTest
: public RenderViewHostImplTestHarness {
protected:
void SetUp() override {
RenderViewHostImplTestHarness::SetUp();
contents()->GetPrimaryMainFrame()->InitializeRenderFrameIfNeeded();
}
};
// Verifies that the initial delivered policies are default-constructed.
TEST_F(NavigationPolicyContainerBuilderTest, DefaultDeliveredPolicies) {
EXPECT_EQ(
NavigationPolicyContainerBuilder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr)
.DeliveredPoliciesForTesting(),
PolicyContainerPolicies());
}
// Verifies that SetIPAddressSpace sets the address space in the builder's
// delivered policies.
TEST_F(NavigationPolicyContainerBuilderTest, SetIPAddressSpace) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIPAddressSpace(network::mojom::IPAddressSpace::kPublic);
PolicyContainerPolicies expected_policies;
expected_policies.ip_address_space = network::mojom::IPAddressSpace::kPublic;
EXPECT_EQ(builder.DeliveredPoliciesForTesting(), expected_policies);
}
// Verifies that SetIsOriginPotentiallyTrustworthy sets the secure context bit
// in the builder's delivered policies.
TEST_F(NavigationPolicyContainerBuilderTest,
SetIsOriginPotentiallyTrustworthy) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIsOriginPotentiallyTrustworthy(true);
PolicyContainerPolicies expected_policies;
expected_policies.is_web_secure_context = true;
EXPECT_EQ(builder.DeliveredPoliciesForTesting(), expected_policies);
builder.SetIsOriginPotentiallyTrustworthy(false);
expected_policies.is_web_secure_context = false;
EXPECT_EQ(builder.DeliveredPoliciesForTesting(), expected_policies);
}
// Verifies that SetCrossOriginOpenerPolicy sets the cross-origin-opener-policy
// in the builder's delivered policies.
TEST_F(NavigationPolicyContainerBuilderTest, SetCrossOriginOpenerPolicy) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
network::CrossOriginOpenerPolicy coop;
coop.value = network::mojom::CrossOriginOpenerPolicyValue::kSameOrigin;
coop.report_only_value =
network::mojom::CrossOriginOpenerPolicyValue::kSameOriginAllowPopups;
coop.reporting_endpoint = "A";
coop.report_only_reporting_endpoint = "B";
builder.SetCrossOriginOpenerPolicy(coop);
PolicyContainerPolicies expected_policies;
expected_policies.cross_origin_opener_policy = coop;
EXPECT_EQ(builder.DeliveredPoliciesForTesting(), expected_policies);
}
// Verifies that SetDocumentIsolationPolicy sets the document-isolation-policy
// in the builder's delivered policies.
TEST_F(NavigationPolicyContainerBuilderTest, SetDocumentIsolationPolicy) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
network::DocumentIsolationPolicy dip;
dip.value =
network::mojom::DocumentIsolationPolicyValue::kIsolateAndRequireCorp;
dip.report_only_value =
network::mojom::DocumentIsolationPolicyValue::kIsolateAndCredentialless;
dip.reporting_endpoint = "A";
dip.report_only_reporting_endpoint = "B";
builder.SetDocumentIsolationPolicy(dip);
PolicyContainerPolicies expected_policies;
expected_policies.document_isolation_policy = dip;
EXPECT_EQ(builder.DeliveredPoliciesForTesting(), expected_policies);
}
// Verifies that the default final policies of a builder are
// default-constructed, and are equal to the policies of the builder's policy
// container host.
TEST_F(NavigationPolicyContainerBuilderTest, DefaultFinalPolicies) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.ComputePolicies(GURL(), false, network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
PolicyContainerPolicies expected_policies;
EXPECT_EQ(builder.FinalPolicies(), expected_policies);
scoped_refptr<PolicyContainerHost> cloned_host =
builder.GetPolicyContainerHost();
ASSERT_THAT(cloned_host, NotNull());
EXPECT_EQ(cloned_host->policies(), expected_policies);
scoped_refptr<PolicyContainerHost> host =
std::move(builder).TakePolicyContainerHost();
ASSERT_THAT(host, NotNull());
EXPECT_EQ(host->policies(), expected_policies);
ASSERT_THAT(cloned_host, NotNull());
}
// Verifies that when the URL of the document to commit does not have a local
// scheme, then the final policies are copied from the delivered policies.
TEST_F(NavigationPolicyContainerBuilderTest, FinalPoliciesNormalUrl) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIPAddressSpace(network::mojom::IPAddressSpace::kPublic);
builder.AddContentSecurityPolicy(MakeTestCSP());
PolicyContainerPolicies delivered_policies =
builder.DeliveredPoliciesForTesting().Clone();
builder.ComputePolicies(GURL("https://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), delivered_policies);
}
// Verifies the final policies when the URL of the document to commit is
// `about:blank` but there is no initiator.
TEST_F(NavigationPolicyContainerBuilderTest,
FinalPoliciesAboutBlankWithoutInitiator) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIPAddressSpace(network::mojom::IPAddressSpace::kPublic);
PolicyContainerPolicies delivered_policies =
builder.DeliveredPoliciesForTesting().Clone();
builder.ComputePolicies(AboutBlankUrl(), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), delivered_policies);
}
// Verifies the final policies when the URL of the document to commit is
// `about:blank` but there is no initiator, and we have some additional CSPs.
TEST_F(NavigationPolicyContainerBuilderTest,
FinalPoliciesAboutBlankWithoutInitiatorAdditionalCSP) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIPAddressSpace(network::mojom::IPAddressSpace::kPublic);
builder.AddContentSecurityPolicy(MakeTestCSP());
PolicyContainerPolicies delivered_policies =
builder.DeliveredPoliciesForTesting().Clone();
builder.ComputePolicies(AboutBlankUrl(), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), delivered_policies);
}
// This test verifies the default final policies on error pages.
TEST_F(NavigationPolicyContainerBuilderTest, DefaultFinalPoliciesForErrorPage) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.ComputePoliciesForError();
// Error pages commit with default policies, mostly ignoring the delivered
// policies and the document's URL.
EXPECT_EQ(builder.FinalPolicies(), PolicyContainerPolicies());
}
// This test verifies that error pages commit in the same IP address space as
// the underlying page would have, had it not failed to load.
TEST_F(NavigationPolicyContainerBuilderTest, ErrorPageIPAddressSpace) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIPAddressSpace(network::mojom::IPAddressSpace::kPublic);
builder.ComputePoliciesForError();
PolicyContainerPolicies expected_policies;
expected_policies.ip_address_space = network::mojom::IPAddressSpace::kPublic;
EXPECT_EQ(builder.FinalPolicies(), expected_policies);
}
// Variation of: NavigationPolicyContainerBuilderTest.ErrorPageIPAddressSpace
// The decision to commit an error happens after receiving the response.
TEST_F(NavigationPolicyContainerBuilderTest,
ErrorPageIPAddressSpaceAfterResponse) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIPAddressSpace(network::mojom::IPAddressSpace::kPrivate);
PolicyContainerPolicies expected_policies;
expected_policies.ip_address_space = network::mojom::IPAddressSpace::kPrivate;
builder.ComputePolicies(GURL("https://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), expected_policies);
builder.ComputePoliciesForError();
EXPECT_EQ(builder.FinalPolicies(), expected_policies);
}
// CSP delivered by the HTTP response are ignored for error document.
TEST_F(NavigationPolicyContainerBuilderTest,
DeliveredCSPIgnoredForErrorDocument) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.AddContentSecurityPolicy(
network::mojom::ContentSecurityPolicy::New());
builder.ComputePolicies(GURL("https://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_THAT(builder.FinalPolicies().content_security_policies, SizeIs(1));
builder.ComputePoliciesForError();
EXPECT_THAT(builder.FinalPolicies().content_security_policies, SizeIs(0));
}
// Verifies that InitiatorPolicies() returns nullptr in the absence of an
// initiator frame token.
TEST_F(NavigationPolicyContainerBuilderTest,
InitiatorPoliciesWithoutInitiator) {
EXPECT_THAT(
NavigationPolicyContainerBuilder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr)
.InitiatorPolicies(),
IsNull());
}
// Verifies that ParentPolicies returns nullptr in the absence of a parent.
TEST_F(NavigationPolicyContainerBuilderTest, ParentPoliciesWithoutParent) {
EXPECT_THAT(
NavigationPolicyContainerBuilder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr)
.ParentPolicies(),
IsNull());
}
// Verifies that ParentPolicies returns a pointer to a copy of the parent's
// policies.
TEST_F(NavigationPolicyContainerBuilderTest, ParentPoliciesWithParent) {
PolicyContainerPolicies parent_policies = MakeTestPolicies();
TestRenderFrameHost* parent = contents()->GetPrimaryMainFrame();
parent->SetPolicyContainerHost(NewHost(parent_policies.Clone()));
NavigationPolicyContainerBuilder builder(
parent, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
EXPECT_THAT(builder.ParentPolicies(), Pointee(Eq(ByRef(parent_policies))));
}
// Verifies that when the the URL of the document to commit is `about:srcdoc`,
// the builder's final policies are copied from the parent.
TEST_F(NavigationPolicyContainerBuilderTest,
FinalPoliciesAboutSrcdocWithParent) {
PolicyContainerPolicies parent_policies = MakeTestPolicies();
TestRenderFrameHost* parent = contents()->GetPrimaryMainFrame();
parent->SetPolicyContainerHost(NewHost(parent_policies.Clone()));
NavigationPolicyContainerBuilder builder(
parent, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.ComputePolicies(AboutSrcdocUrl(), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), parent_policies);
}
// Verifies that when a document has a potentially-trustworthy origin and no
// parent, then it is a secure context.
TEST_F(NavigationPolicyContainerBuilderTest,
IsWebSecureContextTrustworthyOriginNoParent) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIsOriginPotentiallyTrustworthy(true);
PolicyContainerPolicies delivered_policies =
builder.DeliveredPoliciesForTesting().Clone();
EXPECT_TRUE(delivered_policies.is_web_secure_context);
builder.ComputePolicies(GURL(), false, network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), delivered_policies);
}
// Verifies that when a document has a non-potentially-trustworthy origin and no
// parent, then it is not a secure context.
TEST_F(NavigationPolicyContainerBuilderTest,
IsWebSecureContextNonTrustworthyOriginNoParent) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIsOriginPotentiallyTrustworthy(false);
PolicyContainerPolicies delivered_policies =
builder.DeliveredPoliciesForTesting().Clone();
EXPECT_FALSE(delivered_policies.is_web_secure_context);
builder.ComputePolicies(GURL(), false, network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), delivered_policies);
}
// Verifies that when a document has a potentially-trustworthy origin and a
// parent that is not a secure context, then it is not a secure context.
TEST_F(NavigationPolicyContainerBuilderTest,
IsWebSecureContextTrustworthyOriginNonSecureParent) {
PolicyContainerPolicies parent_policies = MakeTestPolicies();
parent_policies.is_web_secure_context = false;
TestRenderFrameHost* parent = contents()->GetPrimaryMainFrame();
parent->SetPolicyContainerHost(NewHost(std::move(parent_policies)));
NavigationPolicyContainerBuilder builder(
parent, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIsOriginPotentiallyTrustworthy(true);
builder.ComputePolicies(GURL("https://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_FALSE(builder.FinalPolicies().is_web_secure_context);
}
// Verifies that when a document has a non-potentially-trustworthy origin and a
// parent that is a secure context, then it is not a secure context.
TEST_F(NavigationPolicyContainerBuilderTest,
IsWebSecureContextNonTrustworthyOriginSecureParent) {
PolicyContainerPolicies parent_policies = MakeTestPolicies();
parent_policies.is_web_secure_context = true;
TestRenderFrameHost* parent = contents()->GetPrimaryMainFrame();
parent->SetPolicyContainerHost(NewHost(std::move(parent_policies)));
NavigationPolicyContainerBuilder builder(
parent, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIsOriginPotentiallyTrustworthy(false);
PolicyContainerPolicies delivered_policies =
builder.DeliveredPoliciesForTesting().Clone();
EXPECT_FALSE(delivered_policies.is_web_secure_context);
builder.ComputePolicies(GURL("http://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), delivered_policies);
}
// Verifies that when a document has a potentially-trustworthy origin and a
// parent that is a secure context, then it is a secure context.
TEST_F(NavigationPolicyContainerBuilderTest,
IsWebSecureContextTrustworthyOriginSecureParent) {
PolicyContainerPolicies parent_policies = MakeTestPolicies();
parent_policies.is_web_secure_context = true;
TestRenderFrameHost* parent = contents()->GetPrimaryMainFrame();
parent->SetPolicyContainerHost(NewHost(std::move(parent_policies)));
NavigationPolicyContainerBuilder builder(
parent, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.SetIsOriginPotentiallyTrustworthy(true);
PolicyContainerPolicies delivered_policies =
builder.DeliveredPoliciesForTesting().Clone();
EXPECT_TRUE(delivered_policies.is_web_secure_context);
builder.ComputePolicies(GURL("https://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), delivered_policies);
}
// Verifies that when the the URL of the document to commit is `about:srcdoc`,
// the builder's final policies are copied from the parent, and additional
// delivered policies are merged.
TEST_F(NavigationPolicyContainerBuilderTest,
FinalPoliciesAboutSrcdocWithParentAndAdditionalCSP) {
PolicyContainerPolicies parent_policies = MakeTestPolicies();
TestRenderFrameHost* parent = contents()->GetPrimaryMainFrame();
parent->SetPolicyContainerHost(NewHost(parent_policies.Clone()));
NavigationPolicyContainerBuilder builder(
parent, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
// Add some CSP.
network::mojom::ContentSecurityPolicyPtr test_csp = MakeTestCSP();
builder.AddContentSecurityPolicy(test_csp.Clone());
builder.ComputePolicies(AboutSrcdocUrl(), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
parent_policies.content_security_policies.push_back(std::move(test_csp));
EXPECT_EQ(builder.FinalPolicies(), parent_policies);
}
// Calling ComputePolicies() twice triggers a DCHECK.
TEST_F(NavigationPolicyContainerBuilderTest, ComputePoliciesTwiceDCHECK) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
GURL url("https://foo.test");
builder.ComputePolicies(url, false, network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_DCHECK_DEATH(builder.ComputePolicies(
url, false, network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false));
}
// Calling ComputePolicies() followed by ComputePoliciesForError() is supported.
TEST_F(NavigationPolicyContainerBuilderTest, ComputePoliciesThenError) {
NavigationPolicyContainerBuilder builder(
nullptr, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.ComputePolicies(GURL("https://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
builder.ComputePoliciesForError();
}
// After ComputePolicies() or ComputePoliciesForError(), the parent
// policies are still accessible.
TEST_F(NavigationPolicyContainerBuilderTest,
AccessParentAfterComputingPolicies) {
PolicyContainerPolicies parent_policies = MakeTestPolicies();
TestRenderFrameHost* parent = contents()->GetPrimaryMainFrame();
parent->SetPolicyContainerHost(NewHost(parent_policies.Clone()));
NavigationPolicyContainerBuilder builder(
parent, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
EXPECT_THAT(builder.ParentPolicies(), Pointee(Eq(ByRef(parent_policies))));
builder.ComputePolicies(GURL("https://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_THAT(builder.ParentPolicies(), Pointee(Eq(ByRef(parent_policies))));
builder.ComputePoliciesForError();
EXPECT_THAT(builder.ParentPolicies(), Pointee(Eq(ByRef(parent_policies))));
}
// Verifies that the parent policies are preserved on
// ResetForCrossDocumentRestart.
TEST_F(NavigationPolicyContainerBuilderTest,
ResetForCrossDocumentRestartParentPolicies) {
PolicyContainerPolicies parent_policies = MakeTestPolicies();
TestRenderFrameHost* parent = contents()->GetPrimaryMainFrame();
parent->SetPolicyContainerHost(NewHost(parent_policies.Clone()));
NavigationPolicyContainerBuilder builder(
parent, nullptr, kInvalidChildProcessUniqueId, nullptr, nullptr);
builder.ComputePolicies(GURL("https://foo.test"), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), PolicyContainerPolicies());
builder.ResetForCrossDocumentRestart();
EXPECT_THAT(builder.ParentPolicies(), Pointee(Eq(ByRef(parent_policies))));
builder.ComputePolicies(AboutSrcdocUrl(), false,
network::mojom::WebSandboxFlags::kNone,
/*is_credentialless=*/false);
EXPECT_EQ(builder.FinalPolicies(), parent_policies);
}
} // namespace
} // namespace content