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// Copyright 2025 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/enterprise/browser/reporting/user_security_signals_service.h"
#include "base/check.h"
#include "base/metrics/histogram_functions.h"
#include "components/device_signals/core/common/signals_features.h"
#include "components/enterprise/browser/reporting/common_pref_names.h"
#include "components/enterprise/browser/reporting/report_scheduler.h"
#include "components/enterprise/browser/reporting/report_util.h"
#include "components/policy/core/common/policy_logger.h"
#include "components/prefs/pref_service.h"
#include "google_apis/gaia/gaia_constants.h"
#include "google_apis/gaia/gaia_urls.h"
#include "net/cookies/cookie_change_dispatcher.h"
namespace enterprise_reporting {
UserSecuritySignalsService::UserSecuritySignalsService(
PrefService* profile_prefs,
Delegate* delegate)
: profile_prefs_(profile_prefs), delegate_(delegate) {
CHECK(profile_prefs_);
CHECK(delegate_);
}
UserSecuritySignalsService::~UserSecuritySignalsService() = default;
base::TimeDelta UserSecuritySignalsService::GetSecurityUploadCadence() {
return enterprise_signals::features::kProfileSignalsReportingInterval.Get();
}
void UserSecuritySignalsService::Start() {
if (initialized_) {
return;
}
initialized_ = true;
pref_change_registrar_.Init(profile_prefs_);
pref_change_registrar_.Add(
kUserSecuritySignalsReporting,
base::BindRepeating(
&UserSecuritySignalsService::OnStatePolicyValueChanged,
weak_factory_.GetWeakPtr()));
pref_change_registrar_.Add(
kUserSecurityAuthenticatedReporting,
base::BindRepeating(
&UserSecuritySignalsService::OnCookiePolicyValueChanged,
weak_factory_.GetWeakPtr()));
// Manually trigger a policy update to initialize things.
OnStatePolicyValueChanged();
}
bool UserSecuritySignalsService::IsSecuritySignalsReportingEnabled() {
return profile_prefs_->GetBoolean(kUserSecuritySignalsReporting);
}
bool UserSecuritySignalsService::ShouldUseCookies() {
return IsSecuritySignalsReportingEnabled() &&
profile_prefs_->GetBoolean(kUserSecurityAuthenticatedReporting);
}
void UserSecuritySignalsService::OnReportUploaded() {
timer_.Start(FROM_HERE, base::Time::Now() + GetSecurityUploadCadence(),
base::BindRepeating(&UserSecuritySignalsService::TriggerReport,
weak_factory_.GetWeakPtr(),
SecurityReportTrigger::kTimer));
}
void UserSecuritySignalsService::OnCookieChange(
const net::CookieChangeInfo& change) {
if (!enterprise_signals::features::kTriggerOnCookieChange.Get()) {
return;
}
// Only trigger a new upload if the cookie change could result in a new or
// updated session.
if (change.cause == net::CookieChangeCause::INSERTED) {
TriggerReport(SecurityReportTrigger::kCookieChange);
}
}
void UserSecuritySignalsService::InitCookieListener() {
auto* cookie_manager = delegate_->GetCookieManager();
if (!cookie_manager) {
return;
}
// Only interested in the secure first-party authentication cookie.
cookie_manager->AddCookieChangeListener(
GaiaUrls::GetInstance()->secure_google_url(),
GaiaConstants::kGaiaSigninCookieName,
cookie_listener_receiver_.BindNewPipeAndPassRemote());
cookie_listener_receiver_.set_disconnect_handler(base::BindOnce(
&UserSecuritySignalsService::OnCookieListenerConnectionError,
base::Unretained(this)));
}
void UserSecuritySignalsService::OnCookieListenerConnectionError() {
// A connection error from the CookieManager likely means that the network
// service process has crashed. Try again to set up a listener.
cookie_listener_receiver_.reset();
InitCookieListener();
}
void UserSecuritySignalsService::OnStatePolicyValueChanged() {
if (!IsSecuritySignalsReportingEnabled()) {
timer_.Stop();
return;
}
if (timer_.IsRunning()) {
return;
}
// Make sure that cookie observation is properly set-up, as needed.
OnCookiePolicyValueChanged();
// The policy is enabled and the timed loop isn't running. Send an upload
// immediately.
TriggerReport(SecurityReportTrigger::kTimer);
}
void UserSecuritySignalsService::OnCookiePolicyValueChanged() {
if (ShouldUseCookies() && !cookie_listener_receiver_.is_bound()) {
InitCookieListener();
} else if (!ShouldUseCookies() && cookie_listener_receiver_.is_bound()) {
cookie_listener_receiver_.reset();
}
}
void UserSecuritySignalsService::TriggerReport(SecurityReportTrigger trigger) {
VLOG_POLICY(1, REPORTING) << "Security signals report is triggered by "
<< static_cast<int>(trigger);
base::UmaHistogramEnumeration("Enterprise.SecurityReport.User.Trigger",
trigger);
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(&Delegate::OnReportEventTriggered,
base::Unretained(delegate_), trigger));
}
} // namespace enterprise_reporting
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