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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 "chrome/browser/ash/net/vpn_list_forwarder.h"
#include "ash/public/cpp/network_config_service.h"
#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "chrome/browser/ash/profiles/profile_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chromeos/services/network_config/public/mojom/cros_network_config.mojom.h"
#include "components/user_manager/user.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_set.h"
#include "extensions/common/permissions/api_permission.h"
#include "extensions/common/permissions/permissions_data.h"
using chromeos::network_config::mojom::VpnProvider;
using chromeos::network_config::mojom::VpnProviderPtr;
using chromeos::network_config::mojom::VpnType;
namespace mojo {
template <>
struct TypeConverter<VpnProviderPtr,
app_list::ArcVpnProviderManager::ArcVpnProvider*> {
static VpnProviderPtr Convert(
const app_list::ArcVpnProviderManager::ArcVpnProvider* input) {
auto result = VpnProvider::New();
result->type = VpnType::kArc;
result->provider_id = input->package_name;
result->provider_name = input->app_name;
result->app_id = input->app_id;
result->last_launch_time = input->last_launch_time;
return result;
}
};
template <>
struct TypeConverter<VpnProviderPtr, const extensions::Extension*> {
static VpnProviderPtr Convert(const extensions::Extension* input) {
auto result = VpnProvider::New();
result->type = VpnType::kExtension;
result->provider_id = input->id();
result->provider_name = input->name();
// For Extensions, the app id is the same as the provider id.
result->app_id = input->id();
return result;
}
};
} // namespace mojo
namespace {
bool IsVPNProvider(const extensions::Extension* extension) {
return extension->permissions_data()->HasAPIPermission(
extensions::mojom::APIPermissionID::kVpnProvider);
}
Profile* GetProfileForPrimaryUser() {
const user_manager::User* const primary_user =
user_manager::UserManager::Get()->GetPrimaryUser();
if (!primary_user)
return nullptr;
return ash::ProfileHelper::Get()->GetProfileByUser(primary_user);
}
} // namespace
VpnListForwarder::VpnListForwarder() {
if (user_manager::UserManager::Get()->GetPrimaryUser()) {
// If a user is logged in, start observing the primary user's extension
// registry immediately.
AttachToPrimaryUserProfile();
} else {
// If no user is logged in, wait until the first user logs in (thus becoming
// the primary user).
user_manager::UserManager::Get()->AddSessionStateObserver(this);
}
cros_network_config_ = std::make_unique<
mojo::Remote<chromeos::network_config::mojom::CrosNetworkConfig>>();
ash::GetNetworkConfigService(
cros_network_config_->BindNewPipeAndPassReceiver());
}
VpnListForwarder::~VpnListForwarder() {
user_manager::UserManager::Get()->RemoveSessionStateObserver(this);
if (extension_registry_)
extension_registry_->RemoveObserver(this);
if (arc_vpn_provider_manager_)
arc_vpn_provider_manager_->RemoveObserver(this);
}
void VpnListForwarder::OnArcVpnProvidersRefreshed(
const std::vector<
std::unique_ptr<app_list::ArcVpnProviderManager::ArcVpnProvider>>&
arc_vpn_providers) {
for (const auto& arc_vpn_provider : arc_vpn_providers) {
vpn_providers_[arc_vpn_provider->package_name] =
VpnProvider::From(arc_vpn_provider.get());
}
SetVpnProviders();
}
void VpnListForwarder::OnArcVpnProviderUpdated(
app_list::ArcVpnProviderManager::ArcVpnProvider* arc_vpn_provider) {
vpn_providers_[arc_vpn_provider->package_name] =
VpnProvider::From(arc_vpn_provider);
SetVpnProviders();
}
void VpnListForwarder::OnArcVpnProviderRemoved(
const std::string& package_name) {
vpn_providers_.erase(package_name);
SetVpnProviders();
}
void VpnListForwarder::OnExtensionLoaded(
content::BrowserContext* browser_context,
const extensions::Extension* extension) {
if (!IsVPNProvider(extension))
return;
vpn_providers_[extension->id()] = VpnProvider::From(extension);
SetVpnProviders();
}
void VpnListForwarder::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UnloadedExtensionReason reason) {
if (!IsVPNProvider(extension))
return;
vpn_providers_.erase(extension->id());
SetVpnProviders();
}
void VpnListForwarder::OnShutdown(extensions::ExtensionRegistry* registry) {
DCHECK(extension_registry_);
extension_registry_->RemoveObserver(this);
extension_registry_ = nullptr;
}
void VpnListForwarder::ActiveUserChanged(user_manager::User* active_user) {
DCHECK_EQ(user_manager::UserManager::Get()->GetPrimaryUser(), active_user);
active_user->AddProfileCreatedObserver(
base::BindOnce(&VpnListForwarder::AttachToPrimaryUserProfile,
weak_factory_.GetWeakPtr()));
user_manager::UserManager::Get()->RemoveSessionStateObserver(this);
}
void VpnListForwarder::SetVpnProviders() {
std::vector<VpnProviderPtr> config_providers;
config_providers.reserve(vpn_providers_.size());
for (const auto& [id, vpn_provider] : vpn_providers_) {
config_providers.push_back(vpn_provider->Clone());
}
(*cros_network_config_)->SetVpnProviders(std::move(config_providers));
}
void VpnListForwarder::AttachToPrimaryUserProfile() {
AttachToPrimaryUserExtensionRegistry();
AttachToPrimaryUserArcVpnProviderManager();
}
void VpnListForwarder::AttachToPrimaryUserExtensionRegistry() {
DCHECK(!extension_registry_);
extension_registry_ =
extensions::ExtensionRegistry::Get(GetProfileForPrimaryUser());
extension_registry_->AddObserver(this);
for (const auto& extension : extension_registry_->enabled_extensions()) {
if (!IsVPNProvider(extension.get()))
continue;
vpn_providers_[extension->id()] = VpnProvider::From(extension.get());
}
SetVpnProviders();
}
void VpnListForwarder::AttachToPrimaryUserArcVpnProviderManager() {
arc_vpn_provider_manager_ =
app_list::ArcVpnProviderManager::Get(GetProfileForPrimaryUser());
if (arc_vpn_provider_manager_)
arc_vpn_provider_manager_->AddObserver(this);
}
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