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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/network/prohibited_technologies_handler.h"
#include <memory>
#include <string>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/json/json_reader.h"
#include "base/memory/ptr_util.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "chromeos/ash/components/network/managed_network_configuration_handler_impl.h"
#include "chromeos/ash/components/network/network_configuration_handler.h"
#include "chromeos/ash/components/network/network_profile_handler.h"
#include "chromeos/ash/components/network/network_state_handler.h"
#include "chromeos/ash/components/network/network_state_test_helper.h"
#include "chromeos/ash/components/network/onc/network_onc_utils.h"
#include "chromeos/ash/components/network/technology_state_controller.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
class ProhibitedTechnologiesHandlerTest : public testing::Test {
public:
ProhibitedTechnologiesHandlerTest()
: task_environment_(
base::test::SingleThreadTaskEnvironment::MainThreadType::UI) {}
ProhibitedTechnologiesHandlerTest(const ProhibitedTechnologiesHandlerTest&) =
delete;
ProhibitedTechnologiesHandlerTest& operator=(
const ProhibitedTechnologiesHandlerTest&) = delete;
void SetUp() override {
LoginState::Initialize();
helper_.manager_test()->AddTechnology(shill::kTypeCellular,
true /* enabled */);
network_config_handler_ = NetworkConfigurationHandler::InitializeForTest(
helper_.network_state_handler(), nullptr /* network_device_handler */);
network_profile_handler_ = base::WrapUnique(new NetworkProfileHandler());
network_profile_handler_->Init();
managed_config_handler_ =
base::WrapUnique(new ManagedNetworkConfigurationHandlerImpl());
prohibited_technologies_handler_ =
base::WrapUnique(new ProhibitedTechnologiesHandler());
managed_config_handler_->Init(
/*cellular_policy_handler=*/nullptr,
/*managed_cellular_pref_handler=*/nullptr,
helper_.network_state_handler(), network_profile_handler_.get(),
network_config_handler_.get(), nullptr /* network_device_handler */,
prohibited_technologies_handler_.get(), /*hotspot_controller=*/nullptr);
prohibited_technologies_handler_->Init(
managed_config_handler_.get(), helper_.network_state_handler(),
helper_.technology_state_controller());
base::RunLoop().RunUntilIdle();
PreparePolicies();
}
void PreparePolicies() {
global_config_disable_wifi.Set("DisableNetworkTypes",
base::Value::List().Append("WiFi"));
global_config_disable_wifi_and_cell.Set(
"DisableNetworkTypes",
base::Value::List().Append("WiFi").Append("Cellular"));
}
void TearDown() override {
prohibited_technologies_handler_.reset();
managed_config_handler_.reset();
network_profile_handler_.reset();
network_config_handler_.reset();
LoginState::Shutdown();
}
protected:
void LoginToRegularUser() {
LoginState::Get()->SetLoggedInState(LoginState::LOGGED_IN_ACTIVE,
LoginState::LOGGED_IN_USER_REGULAR);
base::RunLoop().RunUntilIdle();
}
void SetupPolicy(const base::Value::Dict& global_config, bool user_policy) {
if (user_policy) {
managed_config_handler_->SetPolicy(::onc::ONC_SOURCE_USER_POLICY,
helper_.UserHash(),
base::Value::List(), global_config);
} else {
managed_config_handler_->SetPolicy(::onc::ONC_SOURCE_DEVICE_POLICY,
std::string(), // no username hash
base::Value::List(), global_config);
}
base::RunLoop().RunUntilIdle();
}
NetworkStateHandler* network_state_handler() {
return helper_.network_state_handler();
}
TechnologyStateController* technology_state_controller() {
return helper_.technology_state_controller();
}
base::Value::Dict global_config_disable_wifi;
base::Value::Dict global_config_disable_wifi_and_cell;
std::unique_ptr<ProhibitedTechnologiesHandler>
prohibited_technologies_handler_;
private:
base::test::SingleThreadTaskEnvironment task_environment_;
NetworkStateTestHelper helper_{/*use_default_devices_and_services=*/false};
std::unique_ptr<NetworkConfigurationHandler> network_config_handler_;
std::unique_ptr<ManagedNetworkConfigurationHandlerImpl>
managed_config_handler_;
std::unique_ptr<NetworkProfileHandler> network_profile_handler_;
};
TEST_F(ProhibitedTechnologiesHandlerTest,
ProhibitedTechnologiesAllowedLoginScreen) {
EXPECT_TRUE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
EXPECT_TRUE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
SetupPolicy(global_config_disable_wifi_and_cell, false);
EXPECT_TRUE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
EXPECT_TRUE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
}
TEST_F(ProhibitedTechnologiesHandlerTest,
ProhibitedTechnologiesNotAllowedUserSession) {
EXPECT_TRUE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
EXPECT_TRUE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
SetupPolicy(global_config_disable_wifi_and_cell, false);
LoginToRegularUser();
EXPECT_TRUE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
EXPECT_TRUE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
SetupPolicy(base::Value::Dict(),
true); // wait for user policy
// Should be disabled after logged in
EXPECT_FALSE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
EXPECT_FALSE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
// Can not enable it back
technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::WiFi(), true, network_handler::ErrorCallback());
technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::Cellular(), true, network_handler::ErrorCallback());
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
EXPECT_FALSE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
// Can enable Cellular back after modifying policy
SetupPolicy(global_config_disable_wifi, false);
technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::WiFi(), true, network_handler::ErrorCallback());
technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::Cellular(), true, network_handler::ErrorCallback());
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
EXPECT_TRUE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
}
TEST_F(ProhibitedTechnologiesHandlerTest,
IsGloballyProhibitedTechnologyWorksAfterReenabling) {
LoginToRegularUser();
SetupPolicy(base::Value::Dict(),
true); // wait for user policy
EXPECT_TRUE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
prohibited_technologies_handler_->AddGloballyProhibitedTechnology(
shill::kTypeWifi);
EXPECT_FALSE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
// Enabling it back
prohibited_technologies_handler_->RemoveGloballyProhibitedTechnology(
shill::kTypeWifi);
technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::WiFi(), true, network_handler::ErrorCallback());
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(
network_state_handler()->IsTechnologyEnabled(NetworkTypePattern::WiFi()));
}
TEST_F(ProhibitedTechnologiesHandlerTest,
InteractionBetweenGloballyAndSessionsProhibitedTechnologies) {
// Set session prohibiting of Cellular, should not prohibit on login screen
SetupPolicy(global_config_disable_wifi_and_cell, false);
EXPECT_TRUE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
LoginToRegularUser();
SetupPolicy(base::Value::Dict(),
true); // receive user policy
// Cellular should be prohibited
EXPECT_FALSE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
// Should be prohibited after adding to globally prohibited list
prohibited_technologies_handler_->AddGloballyProhibitedTechnology(
shill::kTypeCellular);
technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::Cellular(), true, network_handler::ErrorCallback());
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
// Should be prohibited after removing from globally prohibited list
prohibited_technologies_handler_->RemoveGloballyProhibitedTechnology(
shill::kTypeCellular);
technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::Cellular(), true, network_handler::ErrorCallback());
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
// Should not be prohibited after updating session prohibited list.
SetupPolicy(global_config_disable_wifi, false);
technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::Cellular(), true, network_handler::ErrorCallback());
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(network_state_handler()->IsTechnologyEnabled(
NetworkTypePattern::Cellular()));
}
} // namespace ash
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