src/chrome/browser/managed_mode/chromeos/managed_user_password_service.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/managed_mode/chromeos/managed_user_password_service.h"
   6
   7 #include "base/bind.h"
   8 #include "base/values.h"
   9 #include "chrome/browser/chromeos/login/managed/supervised_user_authentication.h"
  10 #include "chrome/browser/chromeos/login/supervised_user_manager.h"
  11 #include "chrome/browser/chromeos/login/user_manager.h"
  12 #include "chrome/browser/managed_mode/managed_user_constants.h"
  13 #include "chrome/browser/managed_mode/managed_user_sync_service.h"
  14
  15 ManagedUserPasswordService::ManagedUserPasswordService()
  16     : weak_ptr_factory_(this) {}
  17
  18 ManagedUserPasswordService::~ManagedUserPasswordService() {}
  19
  20 void ManagedUserPasswordService::Init(
  21     const std::string& user_id,
  22     ManagedUserSharedSettingsService* shared_settings_service) {
  23   user_id_ = user_id;
  24   settings_service_ = shared_settings_service;
  25   settings_service_subscription_ = settings_service_->Subscribe(
  26       base::Bind(&ManagedUserPasswordService::OnSharedSettingsChange,
  27                  weak_ptr_factory_.GetWeakPtr()));
  28
  29   // Force value check in case we have missed some notification.
  30
  31   chromeos::SupervisedUserManager* supervised_user_manager =
  32       chromeos::UserManager::Get()->GetSupervisedUserManager();
  33
  34   OnSharedSettingsChange(supervised_user_manager->GetUserSyncId(user_id),
  35                          managed_users::kUserPasswordRecord);
  36 }
  37
  38 void ManagedUserPasswordService::OnSharedSettingsChange(
  39     const std::string& mu_id,
  40     const std::string& key) {
  41   if (key != managed_users::kUserPasswordRecord)
  42     return;
  43   chromeos::SupervisedUserManager* supervised_user_manager =
  44       chromeos::UserManager::Get()->GetSupervisedUserManager();
  45   const chromeos::User* user = supervised_user_manager->FindBySyncId(mu_id);
  46   if (user == NULL) {
  47     LOG(WARNING) << "Got notification for user not on device.";
  48     return;
  49   }
  50   DCHECK(user_id_ == user->email());
  51   if (user_id_ != user->email())
  52     return;
  53   const base::Value* value = settings_service_->GetValue(mu_id, key);
  54   if (value == NULL) {
  55     LOG(WARNING) << "Got empty value from sync.";
  56     return;
  57   }
  58   const base::DictionaryValue* dict;
  59   if (!value->GetAsDictionary(&dict)) {
  60     LOG(WARNING) << "Got non-dictionary value from sync.";
  61     return;
  62   }
  63   chromeos::SupervisedUserAuthentication* auth =
  64       supervised_user_manager->GetAuthentication();
  65   if (!auth->NeedPasswordChange(user_id_, dict))
  66     return;
  67   auth->ScheduleSupervisedPasswordChange(user_id_, dict);
  68 }
  69
  70 void ManagedUserPasswordService::Shutdown() {
  71     settings_service_subscription_.reset();
  72 }