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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 "chrome/browser/glic/host/auth_controller.h"
#include "base/command_line.h"
#include "base/functional/callback_forward.h"
#include "base/functional/callback_helpers.h"
#include "base/time/time.h"
#include "chrome/browser/glic/host/glic_cookie_synchronizer.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/signin_ui_util.h"
#include "chrome/common/chrome_switches.h"
#include "components/signin/public/base/consent_level.h"
#include "components/signin/public/base/signin_metrics.h"
namespace glic {
namespace {
// TODO(crbug.com/391378260): Once the web client can request to sync auth
// reliably, we should not need any timeout.
base::TimeDelta kCookieSyncRepeatTime = base::Minutes(5);
bool IsAutomationEnabled() {
auto* command_line = base::CommandLine::ForCurrentProcess();
return command_line->HasSwitch(::switches::kGlicAutomation);
}
} // namespace
AuthController::AuthController(Profile* profile,
signin::IdentityManager* identity_manager,
bool use_for_fre)
: profile_(profile),
identity_manager_(identity_manager),
cookie_synchronizer_(
std::make_unique<GlicCookieSynchronizer>(profile,
identity_manager,
use_for_fre)),
observation_(this) {
observation_.Observe(identity_manager_);
}
AuthController::~AuthController() = default;
bool AuthController::CheckAuthBeforeShowSync(base::OnceClosure after_signin) {
if (IsAutomationEnabled()) {
return true;
}
switch (GetTokenState()) {
case TokenState::kRequiresSignIn:
ShowReauthForAccount(std::move(after_signin));
return false;
case TokenState::kUnknownError:
case TokenState::kOk:
default:
return true;
}
}
void AuthController::CheckAuthBeforeLoad(
base::OnceCallback<void(mojom::PrepareForClientResult)> callback) {
// If automation is enabled skip auth check.
if (IsAutomationEnabled()) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback),
mojom::PrepareForClientResult::kSuccess));
return;
}
if (GetTokenState() == TokenState::kRequiresSignIn) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(std::move(callback),
mojom::PrepareForClientResult::kRequiresSignIn));
return;
}
cookie_synchronizer_->CopyCookiesToWebviewStoragePartition(
base::BindOnce(&AuthController::CookieSyncBeforeLoadDone, GetWeakPtr(),
std::move(callback)));
}
AuthController::TokenState AuthController::GetTokenState() const {
// If automation is enabled skip auth check.
if (IsAutomationEnabled()) {
return TokenState::kOk;
}
CoreAccountId account_id =
identity_manager_->GetPrimaryAccountId(signin::ConsentLevel::kSignin);
// If the user is signed-out, Glic shouldn't be running. Return an error
// to avoid crashing if sign-out happens while Glic is loading.
if (account_id.empty()) {
return TokenState::kUnknownError;
}
if (identity_manager_->HasAccountWithRefreshTokenInPersistentErrorState(
account_id)) {
return TokenState::kRequiresSignIn;
}
return TokenState::kOk;
}
void AuthController::OnPrimaryAccountChanged(
const signin::PrimaryAccountChangeEvent& event_details) {
switch (event_details.GetEventTypeFor(signin::ConsentLevel::kSignin)) {
case signin::PrimaryAccountChangeEvent::Type::kSet:
last_cookie_sync_time_ = std::nullopt;
break;
// Ignore until primary account is set.
case signin::PrimaryAccountChangeEvent::Type::kNone:
case signin::PrimaryAccountChangeEvent::Type::kCleared:
break;
}
}
void AuthController::ForceSyncCookies(base::OnceCallback<void(bool)> callback) {
last_cookie_sync_time_ = std::nullopt;
SyncCookiesIfRequired(std::move(callback));
}
void AuthController::OnErrorStateOfRefreshTokenUpdatedForAccount(
const CoreAccountInfo& account_info,
const GoogleServiceAuthError& error,
signin_metrics::SourceForRefreshTokenOperation token_operation_source) {
if (identity_manager_->GetPrimaryAccountId(signin::ConsentLevel::kSignin) !=
account_info.account_id) {
return;
}
last_cookie_sync_time_ = std::nullopt;
if (after_signin_callback_ &&
after_signin_callback_expiration_time_ > base::TimeTicks::Now()) {
if (GetTokenState() == TokenState::kOk) {
std::move(after_signin_callback_).Run();
}
}
}
void AuthController::OnRefreshTokenUpdatedForAccount(
const CoreAccountInfo& account_info) {
if (identity_manager_->GetPrimaryAccountId(signin::ConsentLevel::kSignin) !=
account_info.account_id) {
return;
}
last_cookie_sync_time_ = std::nullopt;
}
void AuthController::SyncCookiesIfRequired(
base::OnceCallback<void(bool)> callback) {
// If cookies were synced successfully and recently, don't do it again.
if (last_cookie_sync_time_ &&
base::TimeTicks::Now() - *last_cookie_sync_time_ <
kCookieSyncRepeatTime) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), true));
return;
}
last_cookie_sync_time_ = std::nullopt;
cookie_synchronizer_->CopyCookiesToWebviewStoragePartition(base::BindOnce(
&AuthController::CookieSyncDone, GetWeakPtr(), std::move(callback)));
}
void AuthController::CookieSyncDone(base::OnceCallback<void(bool)> callback,
bool sync_success) {
if (sync_success) {
last_cookie_sync_time_ = base::TimeTicks::Now();
}
std::move(callback).Run(sync_success);
}
void AuthController::ShowReauthForAccount(base::OnceClosure after_signin) {
after_signin_callback_ = std::move(after_signin);
// TODO(crbug.com/396500584): Check what timeout is appropriate.
after_signin_callback_expiration_time_ =
base::TimeTicks::Now() + base::Minutes(5);
CoreAccountInfo primary_account_info =
identity_manager_->GetPrimaryAccountInfo(signin::ConsentLevel::kSignin);
signin_ui_util::ShowReauthForAccount(
profile_, primary_account_info.email,
signin_metrics::AccessPoint::kGlicLaunchButton);
}
void AuthController::OnGlicWindowOpened() {
after_signin_callback_.Reset();
}
bool AuthController::RequiresSignIn() const {
return GetTokenState() == TokenState::kRequiresSignIn;
}
void AuthController::CookieSyncBeforeLoadDone(
base::OnceCallback<void(mojom::PrepareForClientResult)> callback,
bool sync_success) {
if (sync_success) {
last_cookie_sync_time_ = base::TimeTicks::Now();
std::move(callback).Run(mojom::PrepareForClientResult::kSuccess);
return;
}
std::move(callback).Run(GetTokenState() == TokenState::kRequiresSignIn
? mojom::PrepareForClientResult::kRequiresSignIn
: mojom::PrepareForClientResult::kUnknownError);
}
void AuthController::SetCookieSynchronizerForTesting(
std::unique_ptr<GlicCookieSynchronizer> synchronizer) {
cookie_synchronizer_ = std::move(synchronizer);
}
} // namespace glic
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