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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 "components/user_manager/user_directory_integrity_manager.h"
#include "base/logging.h"
#include "base/notreached.h"
#include "components/prefs/pref_service.h"
#include "components/user_manager/known_user.h"
#include "components/user_manager/user_manager.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace user_manager {
namespace {
const char kUserDirectoryIntegrityAccountPref[] =
"incomplete_login_user_account";
} // namespace
UserDirectoryIntegrityManager::UserDirectoryIntegrityManager(
PrefService* local_state)
: local_state_(local_state) {}
UserDirectoryIntegrityManager::~UserDirectoryIntegrityManager() = default;
// static
void UserDirectoryIntegrityManager::RegisterLocalStatePrefs(
PrefRegistrySimple* registry) {
registry->RegisterStringPref(kUserDirectoryIntegrityAccountPref, {});
}
void UserDirectoryIntegrityManager::RecordCreatingNewUser(
const AccountId& account_id) {
LOG(WARNING) << "Creating new user, don't have credentials yet.";
local_state_->SetString(kUserDirectoryIntegrityAccountPref,
account_id.GetUserEmail());
local_state_->CommitPendingWrite();
}
void UserDirectoryIntegrityManager::RemoveUser(const AccountId& account_id) {
UserManager::Get()->RemoveUser(account_id,
UserRemovalReason::MISCONFIGURED_USER);
}
void UserDirectoryIntegrityManager::ClearPrefs() {
LOG(WARNING) << "Created user have credentials now.";
local_state_->ClearPref(kUserDirectoryIntegrityAccountPref);
local_state_->CommitPendingWrite();
}
absl::optional<AccountId>
UserDirectoryIntegrityManager::GetMisconfiguredUserAccountId() {
absl::optional<std::string> misconfigured_user_email =
GetMisconfiguredUserEmail();
if (!misconfigured_user_email.has_value()) {
return absl::nullopt;
}
UserList users = UserManager::Get()->GetUsers();
auto misconfigured_user_it =
base::ranges::find_if(users, [&misconfigured_user_email](User* user) {
return user->GetAccountId().GetUserEmail() ==
misconfigured_user_email.value();
});
if (misconfigured_user_it == std::end(users)) {
// If the user was not found in the list, then it's a regular user and not a
// Kiosk user, since regular misconfigured users are skipped during the
// loading process in `UserManagerBase::EnsureUsersLoaded`, to prevent
// showing them on the login screen
user_manager::KnownUser known_user(local_state_);
user_manager::CryptohomeId cryptohome_id(misconfigured_user_email.value());
return known_user.GetAccountIdByCryptohomeId(cryptohome_id);
}
if (User* misconfigured_user = *misconfigured_user_it;
misconfigured_user->IsDeviceLocalAccount() &&
misconfigured_user->IsKioskType()) {
return misconfigured_user->GetAccountId();
}
// Since we only record `incomplete_login_user_account` pref in
// `auth_session_authenticator` for regular and kiosk users, it should be
// impossible to reach here after checking for both types of users above.
NOTREACHED();
return absl::nullopt;
}
absl::optional<std::string>
UserDirectoryIntegrityManager::GetMisconfiguredUserEmail() {
auto incomplete_user_email =
local_state_->GetString(kUserDirectoryIntegrityAccountPref);
return incomplete_user_email.empty()
? absl::nullopt
: absl::make_optional(incomplete_user_email);
}
bool UserDirectoryIntegrityManager::IsUserMisconfigured(
const AccountId& account_id) {
absl::optional<std::string> incomplete_user_email =
GetMisconfiguredUserEmail();
return incomplete_user_email.has_value() &&
incomplete_user_email == account_id.GetUserEmail();
}
} // namespace user_manager
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