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// Copyright 2022 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/enterprise/connectors/reporting/extension_install_event_router.h"
#include <optional>
#include "base/check.h"
#include "base/feature_list.h"
#include "base/memory/singleton.h"
#include "chrome/browser/enterprise/connectors/common.h"
#include "chrome/browser/enterprise/connectors/reporting/realtime_reporting_client_factory.h"
#include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
#include "components/enterprise/common/proto/synced/browser_events.pb.h"
#include "components/enterprise/common/proto/synced_from_google3/chrome_reporting_entity.pb.h"
#include "components/enterprise/connectors/core/reporting_service_settings.h"
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "components/policy/core/common/cloud/realtime_reporting_job_configuration.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_registry_factory.h"
using ::chrome::cros::reporting::proto::BrowserExtensionInstallEvent;
namespace enterprise_connectors {
namespace {
// Key names used with when building the dictionary to pass to the real-time
// reporting API. These matches proto defined in
// google3/chrome/cros/reporting/api/proto/browser_events.proto
constexpr char kKeyId[] = "id";
constexpr char kKeyName[] = "name";
constexpr char kKeyDescription[] = "description";
constexpr char kKeyExtensionAction[] = "extension_action_type";
constexpr char kKeyVersion[] = "extension_version";
constexpr char kKeySource[] = "extension_source";
// Extension action types
constexpr char kInstallAction[] = "INSTALL";
constexpr char kUpdateAction[] = "UPDATE";
constexpr char kUninstallAction[] = "UNINSTALL";
// Extension sources
constexpr char kChromeWebstoreSource[] = "CHROME_WEBSTORE";
constexpr char kExternalSource[] = "EXTERNAL";
constexpr char kComponentSource[] = "COMPONENT";
} // namespace
ExtensionInstallEventRouter::ExtensionInstallEventRouter(
content::BrowserContext* context) {
extension_registry_ = extensions::ExtensionRegistry::Get(context);
reporting_client_ = RealtimeReportingClientFactory::GetForProfile(context);
DLOG_IF(ERROR, !extension_registry_)
<< "extension_registry_ is null. Observer not added.";
if (extension_registry_ && reporting_client_) {
extension_registry_->AddObserver(this);
}
}
ExtensionInstallEventRouter::~ExtensionInstallEventRouter() {
if (extension_registry_ && reporting_client_) {
extension_registry_->RemoveObserver(this);
}
}
void ExtensionInstallEventRouter::ReportExtensionInstallEvent(
const extensions::Extension* extension,
const BrowserExtensionInstallEvent::ExtensionAction extension_action) {
DCHECK(base::FeatureList::IsEnabled(
policy::kUploadRealtimeReportingEventsUsingProto));
std::optional<ReportingSettings> settings =
reporting_client_->GetReportingSettings();
if (!settings.has_value() ||
settings->enabled_event_names.count(kExtensionInstallEvent) == 0) {
return;
}
// Build the event proto.
::chrome::cros::reporting::proto::Event event;
auto* extension_event = event.mutable_browser_extension_install_event();
extension_event->set_id(extension->id());
extension_event->set_name(extension->name());
extension_event->set_description(extension->description());
extension_event->set_extension_action_type(extension_action);
extension_event->set_extension_version(extension->GetVersionForDisplay());
extension_event->set_extension_source(
extension->from_webstore()
? BrowserExtensionInstallEvent::ExtensionSource::
BrowserExtensionInstallEvent_ExtensionSource_CHROME_WEBSTORE
: BrowserExtensionInstallEvent::ExtensionSource::
BrowserExtensionInstallEvent_ExtensionSource_EXTERNAL);
reporting_client_->ReportEvent(std::move(event), std::move(settings.value()));
}
void ExtensionInstallEventRouter::ReportExtensionInstallEvent(
const extensions::Extension* extension,
const char* extension_action) {
std::optional<ReportingSettings> settings =
reporting_client_->GetReportingSettings();
if (!settings.has_value() ||
settings->enabled_event_names.count(kExtensionInstallEvent) == 0) {
return;
}
base::Value::Dict event;
event.Set(kKeyId, extension->id());
event.Set(kKeyName, extension->name());
event.Set(kKeyDescription, extension->description());
event.Set(kKeyExtensionAction, extension_action);
event.Set(kKeyVersion, extension->GetVersionForDisplay());
// Set the source from which an extension was loaded from.
// TODO(crbug.com/410552409): Add other sources and refactor into helper
// function.
if (extension->location() ==
extensions::mojom::ManifestLocation::kComponent) {
event.Set(kKeySource, kComponentSource);
} else if (extension->from_webstore()) {
event.Set(kKeySource, kChromeWebstoreSource);
} else {
event.Set(kKeySource, kExternalSource);
}
reporting_client_->ReportRealtimeEvent(
kExtensionInstallEvent, std::move(settings.value()), std::move(event));
}
void ExtensionInstallEventRouter::OnExtensionInstalled(
content::BrowserContext* browser_context,
const extensions::Extension* extension,
bool is_update) {
if (base::FeatureList::IsEnabled(
policy::kUploadRealtimeReportingEventsUsingProto)) {
ReportExtensionInstallEvent(
extension,
is_update ? BrowserExtensionInstallEvent::ExtensionAction::
BrowserExtensionInstallEvent_ExtensionAction_UPDATE
: BrowserExtensionInstallEvent::ExtensionAction::
BrowserExtensionInstallEvent_ExtensionAction_INSTALL);
} else {
ReportExtensionInstallEvent(extension,
is_update ? kUpdateAction : kInstallAction);
}
}
void ExtensionInstallEventRouter::OnExtensionUninstalled(
content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UninstallReason reason) {
if (base::FeatureList::IsEnabled(
policy::kUploadRealtimeReportingEventsUsingProto)) {
ReportExtensionInstallEvent(
extension, BrowserExtensionInstallEvent::ExtensionAction::
BrowserExtensionInstallEvent_ExtensionAction_UNINSTALL);
} else {
ReportExtensionInstallEvent(extension, kUninstallAction);
}
}
// static
ExtensionInstallEventRouterFactory*
ExtensionInstallEventRouterFactory::GetInstance() {
return base::Singleton<ExtensionInstallEventRouterFactory>::get();
}
ExtensionInstallEventRouter*
ExtensionInstallEventRouterFactory::GetForBrowserContext(
content::BrowserContext* context) {
return static_cast<ExtensionInstallEventRouter*>(
GetInstance()->GetServiceForBrowserContext(context, true));
}
ExtensionInstallEventRouterFactory::ExtensionInstallEventRouterFactory()
: BrowserContextKeyedServiceFactory(
"ExtensionInstallEventRouter",
BrowserContextDependencyManager::GetInstance()) {
DependsOn(extensions::ExtensionRegistryFactory::GetInstance());
DependsOn(RealtimeReportingClientFactory::GetInstance());
}
ExtensionInstallEventRouterFactory::~ExtensionInstallEventRouterFactory() =
default;
bool ExtensionInstallEventRouterFactory::ServiceIsCreatedWithBrowserContext()
const {
return true;
}
std::unique_ptr<KeyedService>
ExtensionInstallEventRouterFactory::BuildServiceInstanceForBrowserContext(
content::BrowserContext* context) const {
return std::make_unique<ExtensionInstallEventRouter>(context);
}
content::BrowserContext*
ExtensionInstallEventRouterFactory::GetBrowserContextToUse(
content::BrowserContext* context) const {
// Do not construct the router if extensions are disabled for the given
// context.
if (extensions::ChromeContentBrowserClientExtensionsPart::
AreExtensionsDisabledForProfile(context)) {
return nullptr;
}
return context;
}
} // namespace enterprise_connectors
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