components/signin/core/browser/account_tracker_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 "components/signin/core/browser/account_tracker_service.h"
   6
   7 #include "base/debug/trace_event.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "base/prefs/scoped_user_pref_update.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "components/signin/core/browser/signin_manager.h"
  12 #include "components/signin/core/common/signin_pref_names.h"
  13 #include "google_apis/gaia/gaia_auth_util.h"
  14 #include "google_apis/gaia/gaia_constants.h"
  15 #include "google_apis/gaia/gaia_oauth_client.h"
  16 #include "google_apis/gaia/oauth2_token_service.h"
  17 #include "net/url_request/url_request_context_getter.h"
  18
  19 namespace {
  20
  21 const char kAccountKeyPath[] = "account_id";
  22 const char kAccountEmailPath[] = "email";
  23 const char kAccountGaiaPath[] = "gaia";
  24
  25 }
  26
  27 class AccountInfoFetcher : public OAuth2TokenService::Consumer,
  28                            public gaia::GaiaOAuthClient::Delegate {
  29  public:
  30   AccountInfoFetcher(OAuth2TokenService* token_service,
  31                      net::URLRequestContextGetter* request_context_getter,
  32                      AccountTrackerService* service,
  33                      const std::string& account_id);
  34   virtual ~AccountInfoFetcher();
  35
  36   const std::string& account_id() { return account_id_; }
  37
  38   void Start();
  39
  40   // OAuth2TokenService::Consumer implementation.
  41   virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
  42                                  const std::string& access_token,
  43                                  const base::Time& expiration_time) OVERRIDE;
  44   virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
  45                                  const GoogleServiceAuthError& error) OVERRIDE;
  46
  47   // gaia::GaiaOAuthClient::Delegate implementation.
  48   virtual void OnGetUserInfoResponse(
  49       scoped_ptr<base::DictionaryValue> user_info) OVERRIDE;
  50   virtual void OnOAuthError() OVERRIDE;
  51   virtual void OnNetworkError(int response_code) OVERRIDE;
  52
  53  private:
  54   OAuth2TokenService* token_service_;
  55   net::URLRequestContextGetter* request_context_getter_;
  56   AccountTrackerService* service_;
  57   const std::string account_id_;
  58
  59   scoped_ptr<OAuth2TokenService::Request> login_token_request_;
  60   scoped_ptr<gaia::GaiaOAuthClient> gaia_oauth_client_;
  61 };
  62
  63 AccountInfoFetcher::AccountInfoFetcher(
  64     OAuth2TokenService* token_service,
  65     net::URLRequestContextGetter* request_context_getter,
  66     AccountTrackerService* service,
  67     const std::string& account_id)
  68     : OAuth2TokenService::Consumer("gaia_account_tracker"),
  69       token_service_(token_service),
  70       request_context_getter_(request_context_getter),
  71       service_(service),
  72       account_id_(account_id) {
  73   TRACE_EVENT_ASYNC_BEGIN1(
  74       "AccountTrackerService", "AccountIdFetcher", this,
  75       "account_id", account_id);
  76 }
  77
  78 AccountInfoFetcher::~AccountInfoFetcher() {
  79   TRACE_EVENT_ASYNC_END0("AccountTrackerService", "AccountIdFetcher", this);
  80 }
  81
  82 void AccountInfoFetcher::Start() {
  83   OAuth2TokenService::ScopeSet scopes;
  84   scopes.insert(GaiaConstants::kGoogleUserInfoEmail);
  85   scopes.insert(GaiaConstants::kGoogleUserInfoProfile);
  86   login_token_request_ = token_service_->StartRequest(
  87       account_id_, scopes, this);
  88 }
  89
  90 void AccountInfoFetcher::OnGetTokenSuccess(
  91     const OAuth2TokenService::Request* request,
  92     const std::string& access_token,
  93     const base::Time& expiration_time) {
  94   TRACE_EVENT_ASYNC_STEP_PAST0(
  95       "AccountTrackerService", "AccountIdFetcher", this, "OnGetTokenSuccess");
  96   DCHECK_EQ(request, login_token_request_.get());
  97
  98   gaia_oauth_client_.reset(new gaia::GaiaOAuthClient(request_context_getter_));
  99
 100   const int kMaxRetries = 3;
 101   gaia_oauth_client_->GetUserInfo(access_token, kMaxRetries, this);
 102 }
 103
 104 void AccountInfoFetcher::OnGetTokenFailure(
 105     const OAuth2TokenService::Request* request,
 106     const GoogleServiceAuthError& error) {
 107   TRACE_EVENT_ASYNC_STEP_PAST1("AccountTrackerService",
 108                                "AccountIdFetcher",
 109                                this,
 110                                "OnGetTokenFailure",
 111                                "google_service_auth_error",
 112                                error.ToString());
 113   LOG(ERROR) << "OnGetTokenFailure: " << error.ToString();
 114   DCHECK_EQ(request, login_token_request_.get());
 115   service_->OnUserInfoFetchFailure(this);
 116 }
 117
 118 void AccountInfoFetcher::OnGetUserInfoResponse(
 119     scoped_ptr<base::DictionaryValue> user_info) {
 120   TRACE_EVENT_ASYNC_STEP_PAST1("AccountTrackerService",
 121                                "AccountIdFetcher",
 122                                this,
 123                                "OnGetUserInfoResponse",
 124                                "account_id",
 125                                account_id_);
 126   service_->OnUserInfoFetchSuccess(this, user_info.get());
 127 }
 128
 129 void AccountInfoFetcher::OnOAuthError() {
 130   TRACE_EVENT_ASYNC_STEP_PAST0(
 131       "AccountTrackerService", "AccountIdFetcher", this, "OnOAuthError");
 132   LOG(ERROR) << "OnOAuthError";
 133   service_->OnUserInfoFetchFailure(this);
 134 }
 135
 136 void AccountInfoFetcher::OnNetworkError(int response_code) {
 137   TRACE_EVENT_ASYNC_STEP_PAST1("AccountTrackerService",
 138                                "AccountIdFetcher",
 139                                this,
 140                                "OnNetworkError",
 141                                "response_code",
 142                                response_code);
 143   LOG(ERROR) << "OnNetworkError " << response_code;
 144   service_->OnUserInfoFetchFailure(this);
 145 }
 146
 147
 148 const char AccountTrackerService::kAccountInfoPref[] = "account_info";
 149
 150 AccountTrackerService::AccountTrackerService()
 151     : token_service_(NULL),
 152       pref_service_(NULL),
 153       shutdown_called_(false) {
 154 }
 155
 156 AccountTrackerService::~AccountTrackerService() {
 157   DCHECK(shutdown_called_);
 158 }
 159
 160 void AccountTrackerService::Initialize(
 161     OAuth2TokenService* token_service,
 162     PrefService* pref_service,
 163     net::URLRequestContextGetter* request_context_getter) {
 164   DCHECK(token_service);
 165   DCHECK(!token_service_);
 166   DCHECK(pref_service);
 167   DCHECK(!pref_service_);
 168   token_service_ = token_service;
 169   pref_service_ = pref_service;
 170   request_context_getter_ = request_context_getter;
 171   token_service_->AddObserver(this);
 172   LoadFromPrefs();
 173   LoadFromTokenService();
 174 }
 175
 176 void AccountTrackerService::Shutdown() {
 177   shutdown_called_ = true;
 178   STLDeleteValues(&user_info_requests_);
 179   token_service_->RemoveObserver(this);
 180 }
 181
 182 void AccountTrackerService::AddObserver(Observer* observer) {
 183   observer_list_.AddObserver(observer);
 184 }
 185
 186 void AccountTrackerService::RemoveObserver(Observer* observer) {
 187   observer_list_.RemoveObserver(observer);
 188 }
 189
 190 bool AccountTrackerService::IsAllUserInfoFetched() const {
 191   return user_info_requests_.empty();
 192 }
 193
 194 std::vector<AccountTrackerService::AccountInfo>
 195 AccountTrackerService::GetAccounts() const {
 196   std::vector<AccountInfo> accounts;
 197
 198   for (std::map<std::string, AccountState>::const_iterator it =
 199            accounts_.begin();
 200        it != accounts_.end();
 201        ++it) {
 202     const AccountState& state = it->second;
 203     accounts.push_back(state.info);
 204   }
 205   return accounts;
 206 }
 207
 208 AccountTrackerService::AccountInfo AccountTrackerService::GetAccountInfo(
 209     const std::string& account_id) {
 210   if (ContainsKey(accounts_, account_id))
 211     return accounts_[account_id].info;
 212
 213   return AccountInfo();
 214 }
 215
 216 AccountTrackerService::AccountInfo
 217 AccountTrackerService::FindAccountInfoByGaiaId(
 218     const std::string& gaia_id) {
 219   for (std::map<std::string, AccountState>::const_iterator it =
 220            accounts_.begin();
 221        it != accounts_.end();
 222        ++it) {
 223     const AccountState& state = it->second;
 224     if (state.info.gaia == gaia_id)
 225       return state.info;
 226   }
 227
 228   return AccountInfo();
 229 }
 230
 231 AccountTrackerService::AccountInfo
 232 AccountTrackerService::FindAccountInfoByEmail(
 233     const std::string& email) {
 234   for (std::map<std::string, AccountState>::const_iterator it =
 235            accounts_.begin();
 236        it != accounts_.end();
 237        ++it) {
 238     const AccountState& state = it->second;
 239     if (gaia::AreEmailsSame(state.info.email, email))
 240       return state.info;
 241   }
 242
 243   return AccountInfo();
 244 }
 245
 246 AccountTrackerService::AccountIdMigrationState
 247 AccountTrackerService::GetMigrationState() {
 248   return GetMigrationState(pref_service_);
 249 }
 250
 251 // static
 252 AccountTrackerService::AccountIdMigrationState
 253 AccountTrackerService::GetMigrationState(PrefService* pref_service) {
 254   return static_cast<AccountTrackerService::AccountIdMigrationState>(
 255       pref_service->GetInteger(prefs::kAccountIdMigrationState));
 256 }
 257
 258 void AccountTrackerService::OnRefreshTokenAvailable(
 259     const std::string& account_id) {
 260   TRACE_EVENT1("AccountTrackerService",
 261                "AccountTracker::OnRefreshTokenAvailable",
 262                "account_id",
 263                account_id);
 264   DVLOG(1) << "AVAILABLE " << account_id;
 265
 266   StartTrackingAccount(account_id);
 267   AccountState& state = accounts_[account_id];
 268
 269   if (state.info.gaia.empty())
 270     StartFetchingUserInfo(account_id);
 271 }
 272
 273 void AccountTrackerService::OnRefreshTokenRevoked(
 274     const std::string& account_id) {
 275   TRACE_EVENT1("AccountTrackerService",
 276                "AccountTracker::OnRefreshTokenRevoked",
 277                "account_id",
 278                account_id);
 279
 280   DVLOG(1) << "REVOKED " << account_id;
 281   StopTrackingAccount(account_id);
 282 }
 283
 284 void AccountTrackerService::NotifyAccountUpdated(const AccountState& state) {
 285   DCHECK(!state.info.gaia.empty());
 286   FOR_EACH_OBSERVER(
 287       Observer, observer_list_, OnAccountUpdated(state.info));
 288 }
 289
 290 void AccountTrackerService::NotifyAccountRemoved(const AccountState& state) {
 291   DCHECK(!state.info.gaia.empty());
 292   FOR_EACH_OBSERVER(
 293       Observer, observer_list_, OnAccountRemoved(state.info));
 294 }
 295
 296 void AccountTrackerService::StartTrackingAccount(
 297     const std::string& account_id) {
 298   if (!ContainsKey(accounts_, account_id)) {
 299     DVLOG(1) << "StartTracking " << account_id;
 300     AccountState state;
 301     state.info.account_id = account_id;
 302     accounts_.insert(make_pair(account_id, state));
 303   }
 304 }
 305
 306 void AccountTrackerService::StopTrackingAccount(const std::string& account_id) {
 307   DVLOG(1) << "StopTracking " << account_id;
 308   if (ContainsKey(accounts_, account_id)) {
 309     AccountState& state = accounts_[account_id];
 310     RemoveFromPrefs(state);
 311     if (!state.info.gaia.empty())
 312       NotifyAccountRemoved(state);
 313
 314     accounts_.erase(account_id);
 315   }
 316
 317   if (ContainsKey(user_info_requests_, account_id))
 318     DeleteFetcher(user_info_requests_[account_id]);
 319 }
 320
 321 void AccountTrackerService::StartFetchingUserInfo(
 322     const std::string& account_id) {
 323   if (ContainsKey(user_info_requests_, account_id))
 324     DeleteFetcher(user_info_requests_[account_id]);
 325
 326   DVLOG(1) << "StartFetching " << account_id;
 327   AccountInfoFetcher* fetcher =
 328       new AccountInfoFetcher(token_service_,
 329                              request_context_getter_.get(),
 330                              this,
 331                              account_id);
 332   user_info_requests_[account_id] = fetcher;
 333   fetcher->Start();
 334 }
 335
 336 void AccountTrackerService::OnUserInfoFetchSuccess(
 337     AccountInfoFetcher* fetcher,
 338     const base::DictionaryValue* user_info) {
 339   const std::string& account_id = fetcher->account_id();
 340   DCHECK(ContainsKey(accounts_, account_id));
 341   AccountState& state = accounts_[account_id];
 342
 343   std::string gaia_id;
 344   std::string email;
 345   if (user_info->GetString("id", &gaia_id) &&
 346       user_info->GetString("email", &email)) {
 347     state.info.gaia = gaia_id;
 348     state.info.email = email;
 349
 350     NotifyAccountUpdated(state);
 351     SaveToPrefs(state);
 352   }
 353   DeleteFetcher(fetcher);
 354 }
 355
 356 void AccountTrackerService::OnUserInfoFetchFailure(
 357     AccountInfoFetcher* fetcher) {
 358   LOG(WARNING) << "Failed to get UserInfo for " << fetcher->account_id();
 359   DeleteFetcher(fetcher);
 360   // TODO(rogerta): figure out when to retry.
 361 }
 362
 363 void AccountTrackerService::DeleteFetcher(AccountInfoFetcher* fetcher) {
 364   DVLOG(1) << "DeleteFetcher " << fetcher->account_id();
 365   const std::string& account_id = fetcher->account_id();
 366   DCHECK(ContainsKey(user_info_requests_, account_id));
 367   DCHECK_EQ(fetcher, user_info_requests_[account_id]);
 368   user_info_requests_.erase(account_id);
 369   delete fetcher;
 370 }
 371
 372 void AccountTrackerService::LoadFromPrefs() {
 373   const base::ListValue* list = pref_service_->GetList(kAccountInfoPref);
 374   for (size_t i = 0; i < list->GetSize(); ++i) {
 375     const base::DictionaryValue* dict;
 376     if (list->GetDictionary(i, &dict)) {
 377       base::string16 value;
 378       if (dict->GetString(kAccountKeyPath, &value)) {
 379         std::string account_id = base::UTF16ToUTF8(value);
 380         StartTrackingAccount(account_id);
 381         AccountState& state = accounts_[account_id];
 382
 383         if (dict->GetString(kAccountGaiaPath, &value))
 384           state.info.gaia = base::UTF16ToUTF8(value);
 385         if (dict->GetString(kAccountEmailPath, &value))
 386           state.info.email = base::UTF16ToUTF8(value);
 387
 388         if (!state.info.gaia.empty())
 389           NotifyAccountUpdated(state);
 390       }
 391     }
 392   }
 393 }
 394
 395 void AccountTrackerService::SaveToPrefs(const AccountState& state) {
 396   if (!pref_service_)
 397     return;
 398
 399   base::DictionaryValue* dict = NULL;
 400   base::string16 account_id_16 = base::UTF8ToUTF16(state.info.account_id);
 401   ListPrefUpdate update(pref_service_, kAccountInfoPref);
 402   for(size_t i = 0; i < update->GetSize(); ++i, dict = NULL) {
 403     if (update->GetDictionary(i, &dict)) {
 404       base::string16 value;
 405       if (dict->GetString(kAccountKeyPath, &value) && value == account_id_16)
 406         break;
 407     }
 408   }
 409
 410   if (!dict) {
 411     dict = new base::DictionaryValue();
 412     update->Append(dict);  // |update| takes ownership.
 413     dict->SetString(kAccountKeyPath, account_id_16);
 414   }
 415
 416   dict->SetString(kAccountEmailPath, state.info.email);
 417   dict->SetString(kAccountGaiaPath, state.info.gaia);
 418 }
 419
 420 void AccountTrackerService::RemoveFromPrefs(const AccountState& state) {
 421   if (!pref_service_)
 422     return;
 423
 424   base::string16 account_id_16 = base::UTF8ToUTF16(state.info.account_id);
 425   ListPrefUpdate update(pref_service_, kAccountInfoPref);
 426   for(size_t i = 0; i < update->GetSize(); ++i) {
 427     base::DictionaryValue* dict = NULL;
 428     if (update->GetDictionary(i, &dict)) {
 429       base::string16 value;
 430       if (dict->GetString(kAccountKeyPath, &value) && value == account_id_16) {
 431         update->Remove(i, NULL);
 432         break;
 433       }
 434     }
 435   }
 436 }
 437
 438 void AccountTrackerService::LoadFromTokenService() {
 439   std::vector<std::string> accounts = token_service_->GetAccounts();
 440   for (std::vector<std::string>::const_iterator it = accounts.begin();
 441        it != accounts.end(); ++it) {
 442     OnRefreshTokenAvailable(*it);
 443   }
 444 }