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// 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 <vector>
#include "base/values.h"
#include "chrome/browser/policy/policy_test_utils.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/policy_constants.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/test_utils.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace policy {
namespace {
enum DefaultJitPolicyVariants {
DISABLED_BY_DEFAULT,
ENABLED_BY_DEFAULT,
NOT_SET
};
} // namespace
class JITPolicyTest
: public PolicyTest,
public testing::WithParamInterface<DefaultJitPolicyVariants> {
public:
JITPolicyTest() = default;
~JITPolicyTest() override = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
PolicyTest::SetUpCommandLine(command_line);
// This is needed for this test to run properly on platforms where
// --site-per-process isn't the default, such as Android.
content::IsolateAllSitesForTesting(command_line);
}
void SetUpInProcessBrowserTestFixture() override {
PolicyTest::SetUpInProcessBrowserTestFixture();
PolicyMap policies;
AddDefaultPolicy(&policies);
base::Value::List block_list;
block_list.Append("jit-disabled.com");
SetPolicy(&policies, key::kJavaScriptJitBlockedForSites,
base::Value(std::move(block_list)));
base::Value::List allow_list;
allow_list.Append("jit-enabled.com");
SetPolicy(&policies, key::kJavaScriptJitAllowedForSites,
base::Value(std::move(allow_list)));
provider_.UpdateChromePolicy(policies);
}
protected:
void AddDefaultPolicy(PolicyMap* policies);
void ExpectThatPolicyDisablesJitOnUrl(const char* policy_value,
const char* url_value,
bool expect_jit_disabled);
bool DetermineExpectedResultForDefault();
};
void JITPolicyTest::AddDefaultPolicy(PolicyMap* policies) {
switch (GetParam()) {
case DISABLED_BY_DEFAULT:
SetPolicy(policies, key::kDefaultJavaScriptJitSetting,
base::Value(CONTENT_SETTING_BLOCK));
break;
case ENABLED_BY_DEFAULT:
SetPolicy(policies, key::kDefaultJavaScriptJitSetting,
base::Value(CONTENT_SETTING_ALLOW));
break;
case NOT_SET:
break;
}
}
bool JITPolicyTest::DetermineExpectedResultForDefault() {
switch (GetParam()) {
case DISABLED_BY_DEFAULT:
return true;
case ENABLED_BY_DEFAULT:
case NOT_SET:
return false;
}
}
void JITPolicyTest::ExpectThatPolicyDisablesJitOnUrl(const char* policy_value,
const char* url_value,
bool expect_jit_disabled) {
// This clears and resets the policies set-up in
// SetUpInProcessBrowserTestFixture.
PolicyMap policies;
AddDefaultPolicy(&policies);
base::Value::List block_list;
block_list.Append(policy_value);
SetPolicy(&policies, key::kJavaScriptJitBlockedForSites,
base::Value(std::move(block_list)));
UpdateProviderPolicy(policies);
GURL blocked_url = embedded_test_server()->GetURL(url_value, "/title1.html");
auto* render_frame_host =
ui_test_utils::NavigateToURL(browser(), blocked_url);
EXPECT_EQ(expect_jit_disabled,
render_frame_host->GetProcess()->IsJitDisabled());
}
IN_PROC_BROWSER_TEST_P(JITPolicyTest, JitPolicyTest) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL disabled_url =
embedded_test_server()->GetURL("jit-disabled.com", "/title1.html");
auto* render_frame_host =
ui_test_utils::NavigateToURL(browser(), disabled_url);
EXPECT_TRUE(render_frame_host->GetProcess()->IsJitDisabled());
GURL enabled_url =
embedded_test_server()->GetURL("jit-enabled.com", "/title1.html");
render_frame_host = ui_test_utils::NavigateToURL(browser(), enabled_url);
EXPECT_FALSE(render_frame_host->GetProcess()->IsJitDisabled());
GURL default_url = embedded_test_server()->GetURL("foo.com", "/title1.html");
render_frame_host = ui_test_utils::NavigateToURL(browser(), default_url);
EXPECT_EQ(DetermineExpectedResultForDefault(),
render_frame_host->GetProcess()->IsJitDisabled());
}
IN_PROC_BROWSER_TEST_P(JITPolicyTest, JitDomainTest) {
// For brevity, this test only tests Deny rules, because Allow rules are
// tested above.
ASSERT_TRUE(embedded_test_server()->Start());
// Check subdomains work.
ExpectThatPolicyDisablesJitOnUrl("foo.com", "foo.com",
/*expect_jit_disabled=*/true);
ExpectThatPolicyDisablesJitOnUrl("foo.com", "subdomain.foo.com",
/*expect_jit_disabled=*/true);
ExpectThatPolicyDisablesJitOnUrl("[*.]foo.com", "subdomain.foo.com",
/*expect_jit_disabled=*/true);
bool expected_result_for_default = DetermineExpectedResultForDefault();
// Policy applies to different domain.
ExpectThatPolicyDisablesJitOnUrl(
"foo.com", "bar.com",
/*expect_jit_disabled=*/expected_result_for_default);
// Here there is an invalid policy as the JavaScript JIT policies only support
// eTLD+1 as origin.
ExpectThatPolicyDisablesJitOnUrl(
"subdomain.foo.com", "foo.com",
/*expect_jit_disabled=*/expected_result_for_default);
ExpectThatPolicyDisablesJitOnUrl(
"subdomain.foo.com", "subdomain.foo.com",
/*expect_jit_disabled=*/expected_result_for_default);
}
INSTANTIATE_TEST_SUITE_P(DefaultDisabled,
JITPolicyTest,
testing::Values(DISABLED_BY_DEFAULT));
INSTANTIATE_TEST_SUITE_P(DefaultEnabled,
JITPolicyTest,
testing::Values(ENABLED_BY_DEFAULT));
INSTANTIATE_TEST_SUITE_P(DefaultNotSet,
JITPolicyTest,
testing::Values(NOT_SET));
} // namespace policy
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