Introduce EasyUnlockService class for signin profile

chrome/browser/signin/easy_unlock_service_regular.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/signin/easy_unlock_service_regular.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/prefs/pref_service.h"
+#include "base/prefs/scoped_user_pref_update.h"
+#include "base/values.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/signin/easy_unlock_toggle_flow.h"
+#include "chrome/browser/signin/screenlock_bridge.h"
+#include "chrome/browser/ui/extensions/application_launch.h"
+#include "chrome/common/extensions/extension_constants.h"
+#include "chrome/common/pref_names.h"
+#include "components/pref_registry/pref_registry_syncable.h"
+#include "extensions/browser/extension_system.h"
+
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/profiles/profile_helper.h"
+#include "components/user_manager/user_manager.h"
+#endif
+
+namespace {
+
+// Key name of the local device permit record dictonary in kEasyUnlockPairing.
+const char kKeyPermitAccess[] = "permitAccess";
+
+// Key name of the remote device list in kEasyUnlockPairing.
+const char kKeyDevices[] = "devices";
+
+// Key name of the phone public key in a device dictionary.
+const char kKeyPhoneId[] = "permitRecord.id";
+
+}  // namespace
+
+EasyUnlockServiceRegular::EasyUnlockServiceRegular(Profile* profile)
+    : EasyUnlockService(profile),
+      turn_off_flow_status_(EasyUnlockService::IDLE) {
+}
+
+EasyUnlockServiceRegular::~EasyUnlockServiceRegular() {
+}
+
+EasyUnlockService::Type EasyUnlockServiceRegular::GetType() const {
+  return EasyUnlockService::TYPE_REGULAR;
+}
+
+std::string EasyUnlockServiceRegular::GetUserEmail() const {
+  return ScreenlockBridge::GetAuthenticatedUserEmail(profile());
+}
+
+void EasyUnlockServiceRegular::LaunchSetup() {
+  ExtensionService* service =
+      extensions::ExtensionSystem::Get(profile())->extension_service();
+  const extensions::Extension* extension =
+      service->GetExtensionById(extension_misc::kEasyUnlockAppId, false);
+
+  OpenApplication(AppLaunchParams(
+      profile(), extension, extensions::LAUNCH_CONTAINER_WINDOW, NEW_WINDOW));
+}
+
+const base::DictionaryValue* EasyUnlockServiceRegular::GetPermitAccess() const {
+  const base::DictionaryValue* pairing_dict =
+      profile()->GetPrefs()->GetDictionary(prefs::kEasyUnlockPairing);
+  const base::DictionaryValue* permit_dict = NULL;
+  if (pairing_dict &&
+      pairing_dict->GetDictionary(kKeyPermitAccess, &permit_dict))
+    return permit_dict;
+
+  return NULL;
+}
+
+void EasyUnlockServiceRegular::SetPermitAccess(
+    const base::DictionaryValue& permit) {
+  DictionaryPrefUpdate pairing_update(profile()->GetPrefs(),
+                                      prefs::kEasyUnlockPairing);
+  pairing_update->SetWithoutPathExpansion(kKeyPermitAccess, permit.DeepCopy());
+}
+
+void EasyUnlockServiceRegular::ClearPermitAccess() {
+  DictionaryPrefUpdate pairing_update(profile()->GetPrefs(),
+                                      prefs::kEasyUnlockPairing);
+  pairing_update->RemoveWithoutPathExpansion(kKeyPermitAccess, NULL);
+}
+
+const base::ListValue* EasyUnlockServiceRegular::GetRemoteDevices() const {
+  const base::DictionaryValue* pairing_dict =
+      profile()->GetPrefs()->GetDictionary(prefs::kEasyUnlockPairing);
+  const base::ListValue* devices = NULL;
+  if (pairing_dict && pairing_dict->GetList(kKeyDevices, &devices))
+    return devices;
+
+  return NULL;
+}
+
+void EasyUnlockServiceRegular::SetRemoteDevices(
+    const base::ListValue& devices) {
+  DictionaryPrefUpdate pairing_update(profile()->GetPrefs(),
+                                      prefs::kEasyUnlockPairing);
+  pairing_update->SetWithoutPathExpansion(kKeyDevices, devices.DeepCopy());
+}
+
+void EasyUnlockServiceRegular::ClearRemoteDevices() {
+  DictionaryPrefUpdate pairing_update(profile()->GetPrefs(),
+                                      prefs::kEasyUnlockPairing);
+  pairing_update->RemoveWithoutPathExpansion(kKeyDevices, NULL);
+}
+
+void EasyUnlockServiceRegular::RunTurnOffFlow() {
+  if (turn_off_flow_status_ == PENDING)
+    return;
+
+  SetTurnOffFlowStatus(PENDING);
+
+  // Currently there should only be one registered phone.
+  // TODO(xiyuan): Revisit this when server supports toggle for all or
+  // there are multiple phones.
+  const base::DictionaryValue* pairing_dict =
+      profile()->GetPrefs()->GetDictionary(prefs::kEasyUnlockPairing);
+  const base::ListValue* devices_list = NULL;
+  const base::DictionaryValue* first_device = NULL;
+  std::string phone_public_key;
+  if (!pairing_dict || !pairing_dict->GetList(kKeyDevices, &devices_list) ||
+      !devices_list || !devices_list->GetDictionary(0, &first_device) ||
+      !first_device ||
+      !first_device->GetString(kKeyPhoneId, &phone_public_key)) {
+    LOG(WARNING) << "Bad easy unlock pairing data, wiping out local data";
+    OnTurnOffFlowFinished(true);
+    return;
+  }
+
+  turn_off_flow_.reset(new EasyUnlockToggleFlow(
+      profile(),
+      phone_public_key,
+      false,
+      base::Bind(&EasyUnlockServiceRegular::OnTurnOffFlowFinished,
+                 base::Unretained(this))));
+  turn_off_flow_->Start();
+}
+
+void EasyUnlockServiceRegular::ResetTurnOffFlow() {
+  turn_off_flow_.reset();
+  SetTurnOffFlowStatus(IDLE);
+}
+
+EasyUnlockService::TurnOffFlowStatus
+    EasyUnlockServiceRegular::GetTurnOffFlowStatus() const {
+  return turn_off_flow_status_;
+}
+
+void EasyUnlockServiceRegular::InitializeInternal() {
+  registrar_.Init(profile()->GetPrefs());
+  registrar_.Add(
+      prefs::kEasyUnlockAllowed,
+      base::Bind(&EasyUnlockServiceRegular::OnPrefsChanged,
+                 base::Unretained(this)));
+  OnPrefsChanged();
+}
+
+bool EasyUnlockServiceRegular::IsAllowedInternal() {
+#if defined(OS_CHROMEOS)
+  if (!user_manager::UserManager::Get()->IsLoggedInAsRegularUser())
+    return false;
+
+  if (!chromeos::ProfileHelper::IsPrimaryProfile(profile()))
+    return false;
+
+  return true;
+#else
+  // TODO(xiyuan): Revisit when non-chromeos platforms are supported.
+  return false;
+#endif
+}
+
+void EasyUnlockServiceRegular::OnPrefsChanged() {
+  UpdateAppState();
+}
+
+void EasyUnlockServiceRegular::SetTurnOffFlowStatus(TurnOffFlowStatus status) {
+  turn_off_flow_status_ = status;
+  NotifyTurnOffOperationStatusChanged();
+}
+
+void EasyUnlockServiceRegular::OnTurnOffFlowFinished(bool success) {
+  turn_off_flow_.reset();
+
+  if (!success) {
+    SetTurnOffFlowStatus(FAIL);
+    return;
+  }
+
+  ClearRemoteDevices();
+  SetTurnOffFlowStatus(IDLE);
+  ReloadApp();
+}