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// Copyright 2020 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/metrics/chromeos_family_link_user_metrics_provider.h"
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/browser/ash/profiles/profile_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/identity_manager_factory.h"
#include "components/session_manager/core/session_manager.h"
#include "components/signin/public/base/consent_level.h"
#include "components/signin/public/identity_manager/identity_manager.h"
#include "components/signin/public/identity_manager/primary_account_access_token_fetcher.h"
#include "components/signin/public/identity_manager/scope_set.h"
#include "components/user_manager/user.h"
#include "components/user_manager/user_manager.h"
#include "google_apis/gaia/oauth2_id_token_decoder.h"
namespace {
constexpr char kHistogramName[] = "ChromeOS.FamilyLinkUser.LogSegment";
} // namespace
ChromeOSFamilyLinkUserMetricsProvider::ChromeOSFamilyLinkUserMetricsProvider() {
session_manager::SessionManager* session_manager =
session_manager::SessionManager::Get();
// The |session_manager| is nullptr only for unit tests.
if (session_manager)
session_manager->AddObserver(this);
}
ChromeOSFamilyLinkUserMetricsProvider::
~ChromeOSFamilyLinkUserMetricsProvider() {
session_manager::SessionManager* session_manager =
session_manager::SessionManager::Get();
// The |session_manager| is nullptr only for unit tests.
if (session_manager)
session_manager->RemoveObserver(this);
}
// This function is called at unpredictable intervals throughout the entire
// ChromeOS session, so guarantee it will never crash.
bool ChromeOSFamilyLinkUserMetricsProvider::ProvideHistograms() {
if (!log_segment_)
return false;
base::UmaHistogramEnumeration(kHistogramName, log_segment_.value());
return true;
}
void ChromeOSFamilyLinkUserMetricsProvider::OnUserSessionStarted(
bool is_primary_user) {
if (!is_primary_user)
return;
const user_manager::User* primary_user =
user_manager::UserManager::Get()->GetPrimaryUser();
DCHECK(primary_user);
if (!primary_user->IsChild()) {
SetLogSegment(LogSegment::kOther);
return;
}
DCHECK(primary_user->is_profile_created());
Profile* profile = ash::ProfileHelper::Get()->GetProfileByUser(primary_user);
DCHECK(profile);
DCHECK(ash::ProfileHelper::IsUserProfile(profile));
signin::IdentityManager* identity_manager =
IdentityManagerFactory::GetForProfile(profile);
DCHECK(identity_manager);
DCHECK(!access_token_fetcher_);
access_token_fetcher_ = std::make_unique<
signin::PrimaryAccountAccessTokenFetcher>(
/*consumer_name=*/"ChromeOSFamilyLinkUserMetricsProvider",
identity_manager, signin::ScopeSet(),
base::BindOnce(
&ChromeOSFamilyLinkUserMetricsProvider::OnAccessTokenRequestCompleted,
// It is safe to use base::Unretained as |this| owns
// |access_token_fetcher_|. See comments in
// primary_account_access_token_fetcher.h.
base::Unretained(this)),
signin::PrimaryAccountAccessTokenFetcher::Mode::kImmediate,
signin::ConsentLevel::kSignin);
}
// static
const char*
ChromeOSFamilyLinkUserMetricsProvider::GetHistogramNameForTesting() {
return kHistogramName;
}
void ChromeOSFamilyLinkUserMetricsProvider::SetLogSegment(
LogSegment log_segment) {
log_segment_ = log_segment;
}
void ChromeOSFamilyLinkUserMetricsProvider::OnAccessTokenRequestCompleted(
GoogleServiceAuthError error,
signin::AccessTokenInfo access_token_info) {
access_token_fetcher_.reset();
if (error.state() != GoogleServiceAuthError::NONE)
return;
gaia::TokenServiceFlags service_flags =
gaia::ParseServiceFlags(access_token_info.id_token);
LogSegment log_segment = service_flags.is_child_account
? LogSegment::kUnderConsentAge
: LogSegment::kOverConsentAge;
SetLogSegment(log_segment);
}
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