1// Copyright (c) 2012 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/ui/webui/options/chromeos/accounts_options_handler.h"
6
7#include <string>
8
9#include "base/bind.h"
10#include "base/bind_helpers.h"
11#include "base/json/json_reader.h"
12#include "base/memory/scoped_ptr.h"
13#include "base/prefs/pref_service.h"
14#include "base/strings/utf_string_conversions.h"
15#include "base/values.h"
16#include "chrome/browser/browser_process.h"
17#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
18#include "chrome/browser/chromeos/settings/cros_settings.h"
19#include "chrome/browser/profiles/profile.h"
20#include "chrome/browser/ui/webui/chromeos/ui_account_tweaks.h"
21#include "chrome/grit/generated_resources.h"
22#include "chromeos/settings/cros_settings_names.h"
23#include "components/user_manager/user_manager.h"
24#include "content/public/browser/web_ui.h"
25#include "google_apis/gaia/gaia_auth_util.h"
26#include "ui/base/l10n/l10n_util.h"
27
28namespace chromeos {
29
30namespace {
31
32// Adds specified user to the whitelist. Returns false if that user is already
33// in the whitelist.
34bool WhitelistUser(const std::string& username) {
35  CrosSettings* cros_settings = CrosSettings::Get();
36  if (cros_settings->FindEmailInList(kAccountsPrefUsers, username, NULL))
37    return false;
38  base::StringValue username_value(username);
39  cros_settings->AppendToList(kAccountsPrefUsers, &username_value);
40  return true;
41}
42
43}  // namespace
44
45namespace options {
46
47AccountsOptionsHandler::AccountsOptionsHandler() {
48}
49
50AccountsOptionsHandler::~AccountsOptionsHandler() {
51}
52
53void AccountsOptionsHandler::RegisterMessages() {
54  web_ui()->RegisterMessageCallback("whitelistUser",
55      base::Bind(&AccountsOptionsHandler::HandleWhitelistUser,
56                 base::Unretained(this)));
57  web_ui()->RegisterMessageCallback("unwhitelistUser",
58      base::Bind(&AccountsOptionsHandler::HandleUnwhitelistUser,
59                 base::Unretained(this)));
60  web_ui()->RegisterMessageCallback("whitelistExistingUsers",
61      base::Bind(&AccountsOptionsHandler::HandleWhitelistExistingUsers,
62                 base::Unretained(this)));
63}
64
65void AccountsOptionsHandler::GetLocalizedValues(
66    base::DictionaryValue* localized_strings) {
67  DCHECK(localized_strings);
68
69  RegisterTitle(localized_strings, "accountsPage",
70                IDS_OPTIONS_ACCOUNTS_TAB_LABEL);
71
72  localized_strings->SetString("allow_BWSI", l10n_util::GetStringUTF16(
73      IDS_OPTIONS_ACCOUNTS_ALLOW_BWSI_DESCRIPTION));
74  localized_strings->SetString(
75      "allow_supervised_users",
76      l10n_util::GetStringUTF16(IDS_OPTIONS_ACCOUNTS_ENABLE_SUPERVISED_USERS));
77  localized_strings->SetString("use_whitelist", l10n_util::GetStringUTF16(
78      IDS_OPTIONS_ACCOUNTS_USE_WHITELIST_DESCRIPTION));
79  localized_strings->SetString("show_user_on_signin", l10n_util::GetStringUTF16(
80      IDS_OPTIONS_ACCOUNTS_SHOW_USER_NAMES_ON_SINGIN_DESCRIPTION));
81  localized_strings->SetString("username_edit_hint", l10n_util::GetStringUTF16(
82      IDS_OPTIONS_ACCOUNTS_USERNAME_EDIT_HINT));
83  localized_strings->SetString("username_format", l10n_util::GetStringUTF16(
84      IDS_OPTIONS_ACCOUNTS_USERNAME_FORMAT));
85  localized_strings->SetString("add_users", l10n_util::GetStringUTF16(
86      IDS_OPTIONS_ACCOUNTS_ADD_USERS));
87  localized_strings->SetString("owner_only", l10n_util::GetStringUTF16(
88      IDS_OPTIONS_ACCOUNTS_OWNER_ONLY));
89
90  policy::BrowserPolicyConnectorChromeOS* connector =
91      g_browser_process->platform_part()->browser_policy_connector_chromeos();
92  localized_strings->SetBoolean("whitelist_is_managed",
93                                connector->IsEnterpriseManaged());
94
95  AddAccountUITweaksLocalizedValues(localized_strings,
96                                    Profile::FromWebUI(web_ui()));
97}
98
99void AccountsOptionsHandler::HandleWhitelistUser(const base::ListValue* args) {
100  std::string typed_email;
101  std::string name;
102  if (!args->GetString(0, &typed_email) ||
103      !args->GetString(1, &name)) {
104    return;
105  }
106
107  WhitelistUser(gaia::CanonicalizeEmail(typed_email));
108}
109
110void AccountsOptionsHandler::HandleUnwhitelistUser(
111    const base::ListValue* args) {
112  std::string email;
113  if (!args->GetString(0, &email)) {
114    return;
115  }
116
117  base::StringValue canonical_email(gaia::CanonicalizeEmail(email));
118  CrosSettings::Get()->RemoveFromList(kAccountsPrefUsers, &canonical_email);
119  user_manager::UserManager::Get()->RemoveUser(email, NULL);
120}
121
122void AccountsOptionsHandler::HandleWhitelistExistingUsers(
123    const base::ListValue* args) {
124  DCHECK(args && args->empty());
125
126  // Creates one list to set. This is needed because user white list update is
127  // asynchronous and sequential. Before previous write comes back, cached list
128  // is stale and should not be used for appending. See http://crbug.com/127215
129  scoped_ptr<base::ListValue> new_list;
130
131  CrosSettings* cros_settings = CrosSettings::Get();
132  const base::ListValue* existing = NULL;
133  if (cros_settings->GetList(kAccountsPrefUsers, &existing) && existing)
134    new_list.reset(existing->DeepCopy());
135  else
136    new_list.reset(new base::ListValue);
137
138  const user_manager::UserList& users =
139      user_manager::UserManager::Get()->GetUsers();
140  for (user_manager::UserList::const_iterator it = users.begin();
141       it < users.end();
142       ++it)
143    new_list->AppendIfNotPresent(new base::StringValue((*it)->email()));
144
145  cros_settings->Set(kAccountsPrefUsers, *new_list.get());
146}
147
148}  // namespace options
149}  // namespace chromeos
150