src/chrome/browser/chromeos/extensions/echo_private_api.cc

   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/chromeos/extensions/echo_private_api.h"
   6
   7 #include <string>
   8
   9 #include "base/bind.h"
  10 #include "base/file_util.h"
  11 #include "base/location.h"
  12 #include "base/prefs/pref_registry_simple.h"
  13 #include "base/prefs/pref_service.h"
  14 #include "base/prefs/scoped_user_pref_update.h"
  15 #include "base/strings/stringprintf.h"
  16 #include "base/strings/utf_string_conversions.h"
  17 #include "base/time/time.h"
  18 #include "base/values.h"
  19 #include "chrome/browser/browser_process.h"
  20 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
  21 #include "chrome/browser/chromeos/settings/cros_settings.h"
  22 #include "chrome/browser/chromeos/ui/echo_dialog_view.h"
  23 #include "chrome/browser/ui/browser.h"
  24 #include "chrome/browser/ui/browser_window.h"
  25 #include "chrome/common/extensions/api/echo_private.h"
  26 #include "chrome/common/pref_names.h"
  27 #include "chromeos/system/statistics_provider.h"
  28 #include "content/public/browser/browser_thread.h"
  29 #include "extensions/common/extension.h"
  30
  31 namespace echo_api = extensions::api::echo_private;
  32
  33 using content::BrowserThread;
  34
  35 namespace {
  36
  37 // URL of "More info" link shown in echo dialog in GetUserConsent function.
  38 const char kMoreInfoLink[] =
  39     "chrome-extension://honijodknafkokifofgiaalefdiedpko/main.html?"
  40     "answer=2677280";
  41
  42 }  // namespace
  43
  44 namespace chromeos {
  45
  46 namespace echo_offer {
  47
  48 void RegisterPrefs(PrefRegistrySimple* registry) {
  49   registry->RegisterDictionaryPref(prefs::kEchoCheckedOffers);
  50 }
  51
  52 } // namespace echo_offer
  53
  54 } // namespace chromeos
  55
  56 EchoPrivateGetRegistrationCodeFunction::
  57     EchoPrivateGetRegistrationCodeFunction() {}
  58
  59 EchoPrivateGetRegistrationCodeFunction::
  60     ~EchoPrivateGetRegistrationCodeFunction() {}
  61
  62 void EchoPrivateGetRegistrationCodeFunction::GetRegistrationCode(
  63     const std::string& type) {
  64   if (!chromeos::KioskModeSettings::Get()->is_initialized()) {
  65     chromeos::KioskModeSettings::Get()->Initialize(base::Bind(
  66         &EchoPrivateGetRegistrationCodeFunction::GetRegistrationCode,
  67         this, type));
  68     return;
  69   }
  70   // Possible ECHO code type and corresponding key name in StatisticsProvider.
  71   const std::string kCouponType = "COUPON_CODE";
  72   const std::string kGroupType = "GROUP_CODE";
  73
  74   chromeos::system::StatisticsProvider* provider =
  75       chromeos::system::StatisticsProvider::GetInstance();
  76   std::string result;
  77   if (!chromeos::KioskModeSettings::Get()->IsKioskModeEnabled()) {
  78     // In Kiosk mode, we effectively disable the registration API
  79     // by always returning an empty code.
  80     if (type == kCouponType) {
  81       provider->GetMachineStatistic(chromeos::system::kOffersCouponCodeKey,
  82                                     &result);
  83     } else if (type == kGroupType) {
  84       provider->GetMachineStatistic(chromeos::system::kOffersGroupCodeKey,
  85                                     &result);
  86     }
  87   }
  88
  89   results_ = echo_api::GetRegistrationCode::Results::Create(result);
  90   SendResponse(true);
  91 }
  92
  93 bool EchoPrivateGetRegistrationCodeFunction::RunSync() {
  94   scoped_ptr<echo_api::GetRegistrationCode::Params> params =
  95       echo_api::GetRegistrationCode::Params::Create(*args_);
  96   EXTENSION_FUNCTION_VALIDATE(params);
  97   GetRegistrationCode(params->type);
  98   return true;
  99 }
 100
 101 EchoPrivateSetOfferInfoFunction::EchoPrivateSetOfferInfoFunction() {}
 102
 103 EchoPrivateSetOfferInfoFunction::~EchoPrivateSetOfferInfoFunction() {}
 104
 105 bool EchoPrivateSetOfferInfoFunction::RunSync() {
 106   scoped_ptr<echo_api::SetOfferInfo::Params> params =
 107       echo_api::SetOfferInfo::Params::Create(*args_);
 108   EXTENSION_FUNCTION_VALIDATE(params);
 109
 110   const std::string& service_id = params->id;
 111   base::DictionaryValue* dict = params->offer_info.
 112       additional_properties.DeepCopyWithoutEmptyChildren();
 113
 114   PrefService* local_state = g_browser_process->local_state();
 115   DictionaryPrefUpdate offer_update(local_state, prefs::kEchoCheckedOffers);
 116   offer_update->SetWithoutPathExpansion("echo." + service_id, dict);
 117   return true;
 118 }
 119
 120 EchoPrivateGetOfferInfoFunction::EchoPrivateGetOfferInfoFunction() {}
 121
 122 EchoPrivateGetOfferInfoFunction::~EchoPrivateGetOfferInfoFunction() {}
 123
 124 bool EchoPrivateGetOfferInfoFunction::RunSync() {
 125   scoped_ptr<echo_api::GetOfferInfo::Params> params =
 126       echo_api::GetOfferInfo::Params::Create(*args_);
 127   EXTENSION_FUNCTION_VALIDATE(params);
 128
 129   const std::string& service_id = params->id;
 130   PrefService* local_state = g_browser_process->local_state();
 131   const base::DictionaryValue* offer_infos = local_state->
 132       GetDictionary(prefs::kEchoCheckedOffers);
 133
 134   const base::DictionaryValue* offer_info = NULL;
 135   if (!offer_infos->GetDictionaryWithoutPathExpansion(
 136          "echo." + service_id, &offer_info)) {
 137     error_ = "Not found";
 138     return false;
 139   }
 140
 141   echo_api::GetOfferInfo::Results::Result result;
 142   result.additional_properties.MergeDictionary(offer_info);
 143   results_ = echo_api::GetOfferInfo::Results::Create(result);
 144   return true;
 145 }
 146
 147 EchoPrivateGetOobeTimestampFunction::EchoPrivateGetOobeTimestampFunction() {
 148 }
 149
 150 EchoPrivateGetOobeTimestampFunction::~EchoPrivateGetOobeTimestampFunction() {
 151 }
 152
 153 bool EchoPrivateGetOobeTimestampFunction::RunAsync() {
 154   BrowserThread::PostTaskAndReplyWithResult(
 155       BrowserThread::FILE, FROM_HERE,
 156       base::Bind(
 157           &EchoPrivateGetOobeTimestampFunction::GetOobeTimestampOnFileThread,
 158           this),
 159       base::Bind(
 160           &EchoPrivateGetOobeTimestampFunction::SendResponse, this));
 161   return true;
 162 }
 163
 164 // Get the OOBE timestamp from file /home/chronos/.oobe_completed.
 165 // The timestamp is used to determine when the user first activates the device.
 166 // If we can get the timestamp info, return it as yyyy-mm-dd, otherwise, return
 167 // an empty string.
 168 bool EchoPrivateGetOobeTimestampFunction::GetOobeTimestampOnFileThread() {
 169   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 170
 171   const char kOobeTimestampFile[] = "/home/chronos/.oobe_completed";
 172   std::string timestamp = "";
 173   base::File::Info fileInfo;
 174   if (base::GetFileInfo(base::FilePath(kOobeTimestampFile), &fileInfo)) {
 175     base::Time::Exploded ctime;
 176     fileInfo.creation_time.UTCExplode(&ctime);
 177     timestamp += base::StringPrintf("%u-%u-%u",
 178                                     ctime.year,
 179                                     ctime.month,
 180                                     ctime.day_of_month);
 181   }
 182   results_ = echo_api::GetOobeTimestamp::Results::Create(timestamp);
 183   return true;
 184 }
 185
 186 EchoPrivateGetUserConsentFunction::EchoPrivateGetUserConsentFunction()
 187     : redeem_offers_allowed_(false) {
 188 }
 189
 190 // static
 191 scoped_refptr<EchoPrivateGetUserConsentFunction>
 192 EchoPrivateGetUserConsentFunction::CreateForTest(
 193       const DialogShownTestCallback& dialog_shown_callback) {
 194   scoped_refptr<EchoPrivateGetUserConsentFunction> function(
 195       new EchoPrivateGetUserConsentFunction());
 196   function->dialog_shown_callback_ = dialog_shown_callback;
 197   return function;
 198 }
 199
 200 EchoPrivateGetUserConsentFunction::~EchoPrivateGetUserConsentFunction() {}
 201
 202 bool EchoPrivateGetUserConsentFunction::RunAsync() {
 203    CheckRedeemOffersAllowed();
 204    return true;
 205 }
 206
 207 void EchoPrivateGetUserConsentFunction::OnAccept() {
 208   Finalize(true);
 209 }
 210
 211 void EchoPrivateGetUserConsentFunction::OnCancel() {
 212   Finalize(false);
 213 }
 214
 215 void EchoPrivateGetUserConsentFunction::OnMoreInfoLinkClicked() {
 216   chrome::NavigateParams params(
 217       GetProfile(), GURL(kMoreInfoLink), content::PAGE_TRANSITION_LINK);
 218   // Open the link in a new window. The echo dialog is modal, so the current
 219   // window is useless until the dialog is closed.
 220   params.disposition = NEW_WINDOW;
 221   chrome::Navigate(&params);
 222 }
 223
 224 void EchoPrivateGetUserConsentFunction::CheckRedeemOffersAllowed() {
 225   chromeos::CrosSettingsProvider::TrustedStatus status =
 226       chromeos::CrosSettings::Get()->PrepareTrustedValues(base::Bind(
 227           &EchoPrivateGetUserConsentFunction::CheckRedeemOffersAllowed,
 228           this));
 229   if (status == chromeos::CrosSettingsProvider::TEMPORARILY_UNTRUSTED)
 230     return;
 231
 232   bool allow = true;
 233   chromeos::CrosSettings::Get()->GetBoolean(
 234       chromeos::kAllowRedeemChromeOsRegistrationOffers, &allow);
 235
 236   OnRedeemOffersAllowedChecked(allow);
 237 }
 238
 239 void EchoPrivateGetUserConsentFunction::OnRedeemOffersAllowedChecked(
 240     bool is_allowed) {
 241   redeem_offers_allowed_ = is_allowed;
 242
 243   scoped_ptr<echo_api::GetUserConsent::Params> params =
 244       echo_api::GetUserConsent::Params::Create(*args_);
 245
 246   // Verify that the passed origin URL is valid.
 247   GURL service_origin = GURL(params->consent_requester.origin);
 248   if (!service_origin.is_valid()) {
 249     error_ = "Invalid origin.";
 250     SendResponse(false);
 251     return;
 252   }
 253
 254   // Add ref to ensure the function stays around until the dialog listener is
 255   // called. The reference is release in |Finalize|.
 256   AddRef();
 257
 258   // Create and show the dialog.
 259   chromeos::EchoDialogView* dialog = new chromeos::EchoDialogView(this);
 260   if (redeem_offers_allowed_) {
 261     dialog->InitForEnabledEcho(
 262         base::UTF8ToUTF16(params->consent_requester.service_name),
 263         base::UTF8ToUTF16(params->consent_requester.origin));
 264   } else {
 265     dialog->InitForDisabledEcho();
 266   }
 267   dialog->Show(GetCurrentBrowser()->window()->GetNativeWindow());
 268
 269   // If there is a dialog_shown_callback_, invoke it with the created dialog.
 270   if (!dialog_shown_callback_.is_null())
 271     dialog_shown_callback_.Run(dialog);
 272 }
 273
 274 void EchoPrivateGetUserConsentFunction::Finalize(bool consent) {
 275   // Consent should not be true if offers redeeming is disabled.
 276   CHECK(redeem_offers_allowed_ || !consent);
 277   results_ = echo_api::GetUserConsent::Results::Create(consent);
 278   SendResponse(true);
 279
 280   // Release the reference added in |OnRedeemOffersAllowedChecked|, before
 281   // showing the dialog.
 282   Release();
 283 }