summaryrefslogtreecommitdiffstats
path: root/chrome/browser/supervised_user/child_accounts/child_account_service.h
blob: 4a1519670d151ea72d94199ac39cda71cf43e7db (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
// 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.

#ifndef CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_
#define CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_

#include <string>
#include <vector>

#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chrome/browser/supervised_user/child_accounts/family_info_fetcher.h"
#include "chrome/browser/supervised_user/supervised_user_service.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/signin/core/browser/account_service_flag_fetcher.h"
#include "components/signin/core/browser/signin_manager_base.h"
#include "net/base/backoff_entry.h"

namespace base {
class FilePath;
}

class Profile;

// This class handles detection of child accounts (on sign-in as well as on
// browser restart), and triggers the appropriate behavior (e.g. enable the
// supervised user experience, fetch information about the parent(s)).
class ChildAccountService : public KeyedService,
                            public FamilyInfoFetcher::Consumer,
                            public SigninManagerBase::Observer,
                            public SupervisedUserService::Delegate {
 public:
  ~ChildAccountService() override;

  void Init();

  // Sets whether the signed-in account is a child account.
  // Public so it can be called on platforms where child account detection
  // happens outside of this class (like Android).
  void SetIsChildAccount(bool is_child_account);

  // KeyedService:
  void Shutdown() override;

 private:
  friend class ChildAccountServiceFactory;
  // Use |ChildAccountServiceFactory::GetForProfile(...)| to get an instance of
  // this service.
  explicit ChildAccountService(Profile* profile);

  // SupervisedUserService::Delegate implementation.
  bool SetActive(bool active) override;
  base::FilePath GetBlacklistPath() const override;
  GURL GetBlacklistURL() const override;
  std::string GetSafeSitesCx() const override;

  // SigninManagerBase::Observer implementation.
  void GoogleSigninSucceeded(const std::string& account_id,
                             const std::string& username,
                             const std::string& password) override;
  void GoogleSignedOut(const std::string& account_id,
                       const std::string& username) override;

  // FamilyInfoFetcher::Consumer implementation.
  void OnGetFamilyMembersSuccess(
      const std::vector<FamilyInfoFetcher::FamilyMember>& members) override;
  void OnFailure(FamilyInfoFetcher::ErrorCode error) override;

  void StartFetchingFamilyInfo();
  void CancelFetchingFamilyInfo();
  void ScheduleNextFamilyInfoUpdate(base::TimeDelta delay);

  void StartFetchingServiceFlags();
  void CancelFetchingServiceFlags();
  void OnFlagsFetched(AccountServiceFlagFetcher::ResultCode,
                      const std::vector<std::string>& flags);
  void ScheduleNextStatusFlagUpdate(base::TimeDelta delay);

  void PropagateChildStatusToUser(bool is_child);

  void SetFirstCustodianPrefs(const FamilyInfoFetcher::FamilyMember& custodian);
  void SetSecondCustodianPrefs(
      const FamilyInfoFetcher::FamilyMember& custodian);
  void ClearFirstCustodianPrefs();
  void ClearSecondCustodianPrefs();

  void EnableExperimentalFiltering();

  // Owns us via the KeyedService mechanism.
  Profile* profile_;

  bool active_;

  // The user for which we are currently trying to fetch the child account flag.
  // Empty when we are not currently fetching.
  std::string account_id_;

  scoped_ptr<AccountServiceFlagFetcher> flag_fetcher_;
  // If fetching the account service flag fails, retry with exponential backoff.
  base::OneShotTimer<ChildAccountService> flag_fetch_timer_;
  net::BackoffEntry flag_fetch_backoff_;

  scoped_ptr<FamilyInfoFetcher> family_fetcher_;
  // If fetching the family info fails, retry with exponential backoff.
  base::OneShotTimer<ChildAccountService> family_fetch_timer_;
  net::BackoffEntry family_fetch_backoff_;

  base::WeakPtrFactory<ChildAccountService> weak_ptr_factory_;

  DISALLOW_COPY_AND_ASSIGN(ChildAccountService);
};

#endif  // CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_