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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/digital_credentials/digital_identity_low_risk_origins.h"
#include <memory>
#include "base/functional/bind.h"
#include "chrome/browser/digital_credentials/digital_credentials_keyed_service.h"
#include "chrome/browser/optimization_guide/mock_optimization_guide_keyed_service.h"
#include "chrome/browser/optimization_guide/optimization_guide_keyed_service.h"
#include "chrome/browser/optimization_guide/optimization_guide_keyed_service_factory.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/optimization_guide/core/hints/optimization_guide_decision.h"
#include "components/optimization_guide/proto/hints.pb.h"
#include "content/public/test/web_contents_tester.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace digital_credentials {
url::Origin CreateOrigin(const std::string& spec) {
return url::Origin::Create(GURL(spec));
}
class DigitalIdentityLowRiskOriginsTest
: public ChromeRenderViewHostTestHarness {
protected:
DigitalIdentityLowRiskOriginsTest() {
subscription_ =
BrowserContextDependencyManager::GetInstance()
->RegisterCreateServicesCallbackForTesting(base::BindRepeating(
RegisterMockOptimizationGuideKeyedServiceFactory));
}
void SetUp() override {
ChromeRenderViewHostTestHarness::SetUp();
mock_optimization_guide_keyed_service_ =
static_cast<testing::NiceMock<MockOptimizationGuideKeyedService>*>(
OptimizationGuideKeyedServiceFactory::GetForProfile(profile()));
}
void TearDown() override {
mock_optimization_guide_keyed_service_ = nullptr;
ChromeRenderViewHostTestHarness::TearDown();
}
static void RegisterMockOptimizationGuideKeyedServiceFactory(
content::BrowserContext* context) {
OptimizationGuideKeyedServiceFactory::GetInstance()->SetTestingFactory(
context, base::BindRepeating([](content::BrowserContext* context)
-> std::unique_ptr<KeyedService> {
return std::make_unique<
testing::NiceMock<MockOptimizationGuideKeyedService>>();
}));
}
protected:
raw_ptr<testing::NiceMock<MockOptimizationGuideKeyedService>>
mock_optimization_guide_keyed_service_;
base::CallbackListSubscription subscription_;
};
// Test IsLastCommittedOriginLowRisk when the kKnownLowRiskOrigins list is empty
// (default) and the OptimizationGuideKeyedService reports the URL as low
// friction.
TEST_F(DigitalIdentityLowRiskOriginsTest,
IsLowRiskOrigin_KnownOriginsEmpty_LowFrictionUrlIsTrue) {
GURL url("https://example_low_friction.com");
NavigateAndCommit(url);
EXPECT_CALL(*mock_optimization_guide_keyed_service_,
CanApplyOptimization(url,
optimization_guide::proto::OptimizationType::
DIGITAL_CREDENTIALS_LOW_FRICTION,
/*optimization_metadata=*/nullptr))
.WillOnce(testing::Return(
optimization_guide::OptimizationGuideDecision::kTrue));
EXPECT_TRUE(IsLastCommittedOriginLowRisk(*main_rfh()));
}
// Test IsLastCommittedOriginLowRisk when the kKnownLowRiskOrigins list is empty
// (default) and the OptimizationGuideKeyedService reports the URL as NOT low
// friction.
TEST_F(DigitalIdentityLowRiskOriginsTest,
IsLowRiskOrigin_KnownOriginsEmpty_LowFrictionUrlIsFalse) {
NavigateAndCommit(GURL("https://example_not_low_friction.com"));
EXPECT_CALL(*mock_optimization_guide_keyed_service_,
CanApplyOptimization(GURL("https://example_not_low_friction.com"),
optimization_guide::proto::OptimizationType::
DIGITAL_CREDENTIALS_LOW_FRICTION,
/*optimization_metadata=*/nullptr))
.WillOnce(testing::Return(
optimization_guide::OptimizationGuideDecision::kFalse));
EXPECT_FALSE(IsLastCommittedOriginLowRisk(*main_rfh()));
}
TEST_F(DigitalIdentityLowRiskOriginsTest,
IsLowRiskOrigin_OTRProfile_LowFrictionUrlIsTrue) {
Profile* otr_profile = profile()->GetOffTheRecordProfile(
Profile::OTRProfileID::CreateUniqueForTesting(),
/*create_if_needed=*/true);
ASSERT_TRUE(otr_profile);
ASSERT_TRUE(otr_profile->IsOffTheRecord());
// This mock will be specifically for the OTR profile.
raw_ptr<testing::NiceMock<MockOptimizationGuideKeyedService>>
otr_mock_service =
static_cast<testing::NiceMock<MockOptimizationGuideKeyedService>*>(
OptimizationGuideKeyedServiceFactory::GetForProfile(otr_profile));
// Ensure the OptimizationGuideKeyedService for the OTR profile is created,
ASSERT_TRUE(otr_mock_service);
// Create a WebContents and RenderFrameHost for the OTR profile.
std::unique_ptr<content::WebContents> otr_web_contents =
content::WebContentsTester::CreateTestWebContents(otr_profile, nullptr);
GURL url("https://otr.example_low_friction.com");
// Navigate the OTR WebContents to make its RFH have the URL.
content::WebContentsTester::For(otr_web_contents.get())
->NavigateAndCommit(url);
content::RenderFrameHost* otr_rfh = otr_web_contents->GetPrimaryMainFrame();
// Set expectation on the OTR profile's mock.
EXPECT_CALL(*otr_mock_service,
CanApplyOptimization(url,
optimization_guide::proto::OptimizationType::
DIGITAL_CREDENTIALS_LOW_FRICTION,
/*optimization_metadata=*/nullptr))
.WillOnce(testing::Return(
optimization_guide::OptimizationGuideDecision::kTrue));
EXPECT_TRUE(IsLastCommittedOriginLowRisk(*otr_rfh));
}
// Test fixture for scenarios where DigitalCredentialsKeyedService is not
// available.
class DigitalIdentityLowRiskOriginsServiceNotAvailableTest
: public ChromeRenderViewHostTestHarness {
protected:
void SetUp() override {
ChromeRenderViewHostTestHarness::SetUp();
// Configure the factory to return nullptr, simulating service
// unavailability.
// Note: We use profile() from ChromeRenderViewHostTestHarness here,
// as TestingProfileManager is not set up for this specific fixture.
DigitalCredentialsKeyedServiceFactory::GetInstance()->SetTestingFactory(
profile(), base::BindRepeating([](content::BrowserContext* context)
-> std::unique_ptr<KeyedService> {
return nullptr;
}));
}
};
// Test IsLastCommittedOriginLowRisk when DigitalCredentialsKeyedService is not
// available. In this case, the internal IsLowFrictionUrl helper should return
// false.
TEST_F(DigitalIdentityLowRiskOriginsServiceNotAvailableTest,
IsLowRiskOrigin_ServiceNotAvailable) {
NavigateAndCommit(GURL("https://example.com"));
// Since kKnownLowRiskOrigins is empty and the service isn't available (so
// low friction check is false), the result should be false.
EXPECT_FALSE(IsLastCommittedOriginLowRisk(*main_rfh()));
}
// Tests for IsLowRiskOriginMatcherForTesting (allows custom lists)
TEST(IsLowRiskOriginMatcherTest, ExactMatch) {
std::vector<std::string> test_origins = {"https://example.com"};
EXPECT_TRUE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("https://example.com"), test_origins));
}
TEST(IsLowRiskOriginMatcherTest, WwwMatchesNonWwwInList) {
std::vector<std::string> test_origins = {
"https://example.com"}; // Non-www in list
EXPECT_TRUE(
IsLowRiskOriginMatcherForTesting(CreateOrigin("https://www.example.com"),
test_origins)); // Check www
}
TEST(IsLowRiskOriginMatcherTest, NonWwwMatchesWwwInList) {
std::vector<std::string> test_origins = {
"https://www.example.com"}; // Www in list
EXPECT_TRUE(
IsLowRiskOriginMatcherForTesting(CreateOrigin("https://example.com"),
test_origins)); // Check non-www
}
TEST(IsLowRiskOriginMatcherTest, NoMatchDifferentDomain) {
std::vector<std::string> test_origins = {"https://example.com"};
EXPECT_FALSE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("https://different.com"), test_origins));
}
TEST(IsLowRiskOriginMatcherTest, SchemeMismatch) {
std::vector<std::string> test_origins = {"https://example.com"};
EXPECT_FALSE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("http://example.com"), test_origins));
EXPECT_FALSE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("http://www.example.com"), test_origins));
}
TEST(IsLowRiskOriginMatcherTest, PortMismatch) {
std::vector<std::string> test_origins = {
"https://example.com"}; // Default port 443
EXPECT_FALSE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("https://example.com:8080"), test_origins));
}
TEST(IsLowRiskOriginMatcherTest, SubdomainMismatch) {
std::vector<std::string> test_origins = {"https://example.com"};
// "www" is handled, other subdomains are not.
EXPECT_FALSE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("https://sub.example.com"), test_origins));
}
TEST(IsLowRiskOriginMatcherTest, PathIsIgnored) {
std::vector<std::string> test_origins = {"https://example.com"};
EXPECT_TRUE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("https://example.com/some/path"), test_origins));
}
TEST(IsLowRiskOriginMatcherTest, EmptyList) {
std::vector<std::string> empty_origins_list = {};
EXPECT_FALSE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("https://example.com"), empty_origins_list));
}
TEST(IsLowRiskOriginMatcherTest, MultipleEntriesInList_Match) {
std::vector<std::string> test_origins = {"https://another.com",
"https://example.com"};
EXPECT_TRUE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("https://example.com"), test_origins));
}
TEST(IsLowRiskOriginMatcherTest, MultipleEntriesInList_NoMatch) {
std::vector<std::string> test_origins = {"https://another.com",
"https://yetanother.com"};
EXPECT_FALSE(IsLowRiskOriginMatcherForTesting(
CreateOrigin("https://example.com"), test_origins));
}
} // namespace digital_credentials
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