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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_DBUS_CHROME_FEATURES_SERVICE_PROVIDER_H_
#define CHROME_BROWSER_ASH_DBUS_CHROME_FEATURES_SERVICE_PROVIDER_H_
#include "base/feature_list.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/ash/components/dbus/services/cros_dbus_service.h"
#include "dbus/exported_object.h"
namespace dbus {
class MethodCall;
} // namespace dbus
namespace ash {
// This class exports D-Bus methods for querying Chrome Features enablement.
//
// IsCrostiniEnabled:
// % dbus-send --system --type=method_call --print-reply
// --dest=org.chromium.ChromeFeaturesService
// /org/chromium/ChromeFeaturesService
// org.chromium.ChromeFeaturesServiceInterface.IsCrostiniEnabled
// string:"|user id hash|"
//
// % (If |user id hash| is set correctly, returns true if Crostini is enabled
// for the user identified by the hash, and false otherwise)
//
// IsPluginVmEnabled:
// % dbus-send --system --type=method_call --print-reply
// --dest=org.chromium.ChromeFeaturesService
// /org/chromium/ChromeFeaturesService
// org.chromium.ChromeFeaturesServiceInterface.IsPluginVmEnabled
// string:"|user id hash|"
//
// % (If |user id hash| is set correctly, returns true if Plugin VMs are enabled
// for the user identified by the hash, and false otherwise)
//
// Both methods will return an error if the user ID hash parameter is missing.
// Passing an empty string as the user ID hash to either method will
// result in the active user profile being used.
class ChromeFeaturesServiceProvider
: public CrosDBusService::ServiceProviderInterface {
public:
explicit ChromeFeaturesServiceProvider(
std::unique_ptr<base::FeatureList::Accessor> feature_list_accessor);
ChromeFeaturesServiceProvider(const ChromeFeaturesServiceProvider&) = delete;
ChromeFeaturesServiceProvider& operator=(
const ChromeFeaturesServiceProvider&) = delete;
~ChromeFeaturesServiceProvider() override;
// CrosDBusService::ServiceProviderInterface overrides:
void Start(scoped_refptr<dbus::ExportedObject> exported_object) override;
private:
friend class ChromeFeaturesServiceProviderTest;
// Called from ExportedObject when IsCrostiniEnabled() is exported as a D-Bus
// method or failed to be exported.
void OnExported(const std::string& interface_name,
const std::string& method_name,
bool success);
// Called on UI thread in response to a D-Bus request.
// For arbitrary platform-side features, use the FeatureLibrary class in
// platform2, rather than directly calling this dbus method.
void IsFeatureEnabled(dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
// Use the FeatureLibrary class in platform2 rather than directly calling
// this dbus method.
void GetFeatureParams(dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsCrostiniEnabled(dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsCryptohomeDistributedModelEnabled(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsCryptohomeUserDataAuthEnabled(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsCryptohomeUserDataAuthKillswitchEnabled(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsPluginVmEnabled(dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsVmManagementCliAllowed(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsPeripheralDataAccessEnabled(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsDnsProxyEnabled(dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
void IsRootNsDnsProxyEnabled(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
// Provides a way to look up features by _name_ rather than by base::Feature.
std::unique_ptr<base::FeatureList::Accessor> feature_list_accessor_;
// Keep this last so that all weak pointers will be invalidated at the
// beginning of destruction.
base::WeakPtrFactory<ChromeFeaturesServiceProvider> weak_ptr_factory_{this};
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_DBUS_CHROME_FEATURES_SERVICE_PROVIDER_H_
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