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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/metrics_services_manager/metrics_services_manager.h"
#include <utility>
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/metrics/histogram_macros.h"
#include "build/chromeos_buildflags.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics/metrics_service_client.h"
#include "components/metrics/metrics_state_manager.h"
#include "components/metrics/metrics_switches.h"
#include "components/metrics_services_manager/metrics_services_manager_client.h"
#include "components/ukm/ukm_service.h"
#include "components/variations/service/variations_service.h"
#include "metrics_services_manager.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#if BUILDFLAG(IS_CHROMEOS_ASH)
#include "components/metrics/structured/structured_metrics_service.h" // nogncheck
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
namespace metrics_services_manager {
MetricsServicesManager::MetricsServicesManager(
std::unique_ptr<MetricsServicesManagerClient> client)
: client_(std::move(client)),
may_upload_(false),
may_record_(false),
consent_given_(false) {
DCHECK(client_);
}
MetricsServicesManager::~MetricsServicesManager() {}
void MetricsServicesManager::InstantiateFieldTrialList() const {
client_->GetMetricsStateManager()->InstantiateFieldTrialList();
}
metrics::MetricsService* MetricsServicesManager::GetMetricsService() {
DCHECK(thread_checker_.CalledOnValidThread());
return GetMetricsServiceClient()->GetMetricsService();
}
ukm::UkmService* MetricsServicesManager::GetUkmService() {
DCHECK(thread_checker_.CalledOnValidThread());
return GetMetricsServiceClient()->GetUkmService();
}
metrics::structured::StructuredMetricsService*
MetricsServicesManager::GetStructuredMetricsService() {
DCHECK(thread_checker_.CalledOnValidThread());
return GetMetricsServiceClient()->GetStructuredMetricsService();
}
variations::VariationsService* MetricsServicesManager::GetVariationsService() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!variations_service_)
variations_service_ = client_->CreateVariationsService();
return variations_service_.get();
}
void MetricsServicesManager::LoadingStateChanged(bool is_loading) {
DCHECK(thread_checker_.CalledOnValidThread());
GetMetricsServiceClient()->LoadingStateChanged(is_loading);
}
std::unique_ptr<const variations::EntropyProviders>
MetricsServicesManager::CreateEntropyProvidersForTesting() {
return client_->GetMetricsStateManager()->CreateEntropyProviders();
}
metrics::MetricsServiceClient*
MetricsServicesManager::GetMetricsServiceClient() {
DCHECK(thread_checker_.CalledOnValidThread());
if (!metrics_service_client_) {
metrics_service_client_ = client_->CreateMetricsServiceClient();
// base::Unretained is safe since |this| owns the metrics_service_client_.
metrics_service_client_->SetUpdateRunningServicesCallback(
base::BindRepeating(&MetricsServicesManager::UpdateRunningServices,
base::Unretained(this)));
}
return metrics_service_client_.get();
}
void MetricsServicesManager::UpdatePermissions(bool current_may_record,
bool current_consent_given,
bool current_may_upload) {
DCHECK(thread_checker_.CalledOnValidThread());
// If the user has opted out of metrics, delete local UKM and SM state.
// TODO(crbug.com/1445075): Investigate if UMA needs purging logic.
if (consent_given_ && !current_consent_given) {
ukm::UkmService* ukm = GetUkmService();
if (ukm) {
ukm->Purge();
ukm->ResetClientState(ukm::ResetReason::kUpdatePermissions);
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
metrics::structured::StructuredMetricsService* sm_service =
GetStructuredMetricsService();
if (sm_service) {
sm_service->Purge();
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
}
// If metrics reporting goes from not consented to consented, create and
// persist a client ID (either generate a new one or promote the provisional
// client ID if this is the first run). This can occur in the following
// situations:
// 1. The user enables metrics reporting in the FRE
// 2. The user enables metrics reporting in settings, crash bubble, etc.
// 3. On startup, after fetching the enable status from the previous session
// (if enabled)
//
// ForceClientIdCreation() may be called again later on via
// MetricsService::EnableRecording(), but in that case,
// ForceClientIdCreation() will be a no-op (will return early since a client
// ID will already exist).
//
// ForceClientIdCreation() must be called here, otherwise, in cases where the
// user is sampled out, the passed |current_may_record| will be false, which
// will result in not calling ForceClientIdCreation() in
// MetricsService::EnableRecording() later on. This is problematic because
// in the FRE, if the user consents to metrics reporting, this will cause the
// provisional client ID to not be promoted/stored as the client ID. In the
// next run, a different client ID will be generated and stored, which will
// result in different trial assignments—and the client may even be sampled
// in at that time.
if (!consent_given_ && current_consent_given) {
client_->GetMetricsStateManager()->ForceClientIdCreation();
}
// Stash the current permissions so that we can update the services correctly
// when preferences change.
may_record_ = current_may_record;
consent_given_ = current_consent_given;
may_upload_ = current_may_upload;
UpdateRunningServices();
}
void MetricsServicesManager::UpdateRunningServices() {
DCHECK(thread_checker_.CalledOnValidThread());
metrics::MetricsService* metrics = GetMetricsService();
if (metrics::IsMetricsRecordingOnlyEnabled()) {
metrics->StartRecordingForTests();
return;
}
client_->UpdateRunningServices(may_record_, may_upload_);
if (may_record_) {
if (!metrics->recording_active())
metrics->Start();
if (may_upload_)
metrics->EnableReporting();
else
metrics->DisableReporting();
} else {
metrics->Stop();
}
UpdateUkmService();
UpdateStructuredMetricsService();
}
void MetricsServicesManager::UpdateUkmService() {
ukm::UkmService* ukm = GetUkmService();
if (!ukm)
return;
bool listeners_active =
metrics_service_client_->AreNotificationListenersEnabledOnAllProfiles();
bool sync_enabled =
metrics_service_client_->IsMetricsReportingForceEnabled() ||
metrics_service_client_->IsUkmAllowedForAllProfiles();
bool is_incognito = client_->IsOffTheRecordSessionActive();
if (consent_given_ && listeners_active && sync_enabled && !is_incognito) {
ukm->EnableRecording();
if (may_upload_)
ukm->EnableReporting();
else
ukm->DisableReporting();
} else {
ukm->DisableRecording();
ukm->DisableReporting();
}
}
void MetricsServicesManager::UpdateStructuredMetricsService() {
#if BUILDFLAG(IS_CHROMEOS_ASH)
metrics::structured::StructuredMetricsService* service =
GetStructuredMetricsService();
if (!service) {
return;
}
// Maybe write some helper methods for this.
if (may_record_) {
service->EnableRecording();
if (may_upload_) {
service->EnableReporting();
} else {
service->DisableReporting();
}
} else {
service->DisableRecording();
service->DisableReporting();
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
}
void MetricsServicesManager::UpdateUploadPermissions(bool may_upload) {
if (metrics_service_client_->IsMetricsReportingForceEnabled()) {
UpdatePermissions(true, true, true);
return;
}
UpdatePermissions(client_->IsMetricsReportingEnabled(),
client_->IsMetricsConsentGiven(), may_upload);
}
bool MetricsServicesManager::IsMetricsReportingEnabled() const {
return client_->IsMetricsReportingEnabled();
}
bool MetricsServicesManager::IsMetricsConsentGiven() const {
return client_->IsMetricsConsentGiven();
}
bool MetricsServicesManager::IsUkmAllowedForAllProfiles() {
return metrics_service_client_->IsUkmAllowedForAllProfiles();
}
} // namespace metrics_services_manager
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