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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/auth_panel/impl/auth_factor_store.h"
#include "ash/public/cpp/ime_controller.h"
#include "base/callback_list.h"
#include "base/check.h"
#include "base/check_op.h"
#include "base/notimplemented.h"
#include "base/notreached.h"
#include "chromeos/ash/components/auth_panel/impl/auth_panel_event_dispatcher.h"
#include "chromeos/ash/components/osauth/public/auth_engine_api.h"
#include "chromeos/ash/components/osauth/public/common_types.h"
namespace ash {
AuthFactorStore::State::State() = default;
AuthFactorStore::State::~State() = default;
AuthFactorStore::State::PasswordViewState::PasswordViewState(
bool is_capslock_on)
: is_capslock_on_(is_capslock_on) {}
void AuthFactorStore::State::InitializePasswordViewState(bool is_capslock_on) {
password_view_state_.emplace(is_capslock_on);
}
AuthFactorStore::State::PasswordViewState::~PasswordViewState() = default;
AuthFactorStore::AuthFactorStore(ImeController* ime_controller,
AuthHubConnector* connector,
std::optional<AshAuthFactor> password_type,
AuthHub* auth_hub)
: auth_hub_connector_(connector), auth_hub_(auth_hub) {
password_type_ = password_type;
// For now, assume the password view state is always required to be present
// because we always have a password. We default to `false` for the state of
// capslock if `ime_controller` is not available.
state_.InitializePasswordViewState(
ime_controller == nullptr ? false : ime_controller->IsCapsLockEnabled());
submit_password_callback_ =
base::BindRepeating(&AuthEngineApi::AuthenticateWithPassword);
}
AuthFactorStore::~AuthFactorStore() = default;
base::CallbackListSubscription AuthFactorStore::Subscribe(
OnStateUpdatedCallback callback) {
return state_update_callbacks_.Add(callback);
}
void AuthFactorStore::OnUserAction(
const AuthPanelEventDispatcher::UserAction& action) {
switch (action.type_) {
case AuthPanelEventDispatcher::UserAction::kPasswordPinToggle: {
NOTIMPLEMENTED();
break;
}
case AuthPanelEventDispatcher::UserAction::kPasswordSubmit: {
CHECK(state_.password_view_state_.has_value());
auto password =
state_.password_view_state_->auth_textfield_state_.password_;
if (!password.empty() &&
state_.password_view_state_->is_factor_enabled_) {
state_.authentication_stage_ =
State::AuthenticationStage::kAuthenticating;
SubmitPassword(password);
} else {
NOTREACHED() << "AuthPanel: Password was submitted while textfield is "
<< "empty or password factor is disabled";
}
break;
}
case AuthPanelEventDispatcher::UserAction::kDisplayPasswordButtonPressed: {
CHECK(state_.password_view_state_.has_value());
bool& previous = state_.password_view_state_->auth_textfield_state_
.is_password_visible_;
previous = !previous;
break;
}
case AuthPanelEventDispatcher::UserAction::
kPasswordTextfieldContentsChanged: {
CHECK(action.payload_.has_value());
CHECK(state_.password_view_state_.has_value());
auto new_field_contents = *action.payload_;
state_.password_view_state_->auth_textfield_state_.password_ =
new_field_contents;
break;
}
case AuthPanelEventDispatcher::UserAction::kCapslockKeyPressed: {
CHECK(state_.password_view_state_.has_value());
state_.password_view_state_->is_capslock_on_ =
!state_.password_view_state_->is_capslock_on_;
break;
}
case AuthPanelEventDispatcher::UserAction::kPasswordTextfieldFocused: {
CHECK(state_.password_view_state_.has_value());
state_.password_view_state_->is_password_textfield_focused_ = true;
break;
}
case AuthPanelEventDispatcher::UserAction::kPasswordTextfieldBlurred: {
CHECK(state_.password_view_state_.has_value());
state_.password_view_state_->is_password_textfield_focused_ = false;
break;
}
case AuthPanelEventDispatcher::UserAction::
kEscapePressedOnPasswordTextfield: {
CHECK(state_.password_view_state_.has_value());
auth_hub_->CancelCurrentAttempt(auth_hub_connector_);
break;
}
}
NotifyStateChanged();
}
void AuthFactorStore::OnFactorStateChanged(AshAuthFactor factor,
AuthFactorState state) {
switch (factor) {
case AshAuthFactor::kGaiaPassword:
case AshAuthFactor::kLocalPassword:
CHECK(password_type_.has_value());
CHECK_EQ(factor, password_type_.value());
state_.password_view_state_->factor_state_ = state;
break;
case AshAuthFactor::kCryptohomePin:
case AshAuthFactor::kFingerprint:
case AshAuthFactor::kSmartCard:
case AshAuthFactor::kSmartUnlock:
case AshAuthFactor::kRecovery:
case AshAuthFactor::kLegacyPin:
case AshAuthFactor::kLegacyFingerprint:
NOTIMPLEMENTED();
break;
}
NotifyStateChanged();
}
void AuthFactorStore::OnAuthVerdict(
AshAuthFactor factor,
AuthPanelEventDispatcher::AuthVerdict verdict) {
NOTIMPLEMENTED();
}
void AuthFactorStore::NotifyStateChanged() {
state_update_callbacks_.Notify(state_);
}
void AuthFactorStore::SubmitPassword(const std::string& password) {
if (state_.password_view_state_->factor_state_ !=
AuthFactorState::kFactorReady) {
LOG(ERROR) << "Attempting to submit password while password factor state "
"is not ready";
return;
}
// We cannot reach here if the password factor was unavailable, as the UI
// for it would not have been shown. Check this invariant here.
CHECK(password_type_.has_value());
submit_password_callback_.Run(auth_hub_connector_, password_type_.value(),
password);
}
} // namespace ash
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