AccountManagerService.java revision f193b9a61d0b14d13bb7f8aec42a21154672e5ec
1/* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.accounts; 18 19import android.Manifest; 20import android.accounts.Account; 21import android.accounts.AccountAndUser; 22import android.accounts.AccountAuthenticatorResponse; 23import android.accounts.AccountManager; 24import android.accounts.AuthenticatorDescription; 25import android.accounts.CantAddAccountActivity; 26import android.accounts.GrantCredentialsPermissionActivity; 27import android.accounts.IAccountAuthenticator; 28import android.accounts.IAccountAuthenticatorResponse; 29import android.accounts.IAccountManager; 30import android.accounts.IAccountManagerResponse; 31import android.app.ActivityManager; 32import android.app.ActivityManagerNative; 33import android.app.AppGlobals; 34import android.app.Notification; 35import android.app.NotificationManager; 36import android.app.PendingIntent; 37import android.app.admin.DevicePolicyManager; 38import android.content.BroadcastReceiver; 39import android.content.ComponentName; 40import android.content.ContentValues; 41import android.content.Context; 42import android.content.Intent; 43import android.content.IntentFilter; 44import android.content.ServiceConnection; 45import android.content.pm.ApplicationInfo; 46import android.content.pm.PackageInfo; 47import android.content.pm.PackageManager; 48import android.content.pm.PackageManager.NameNotFoundException; 49import android.content.pm.RegisteredServicesCache; 50import android.content.pm.RegisteredServicesCacheListener; 51import android.content.pm.ResolveInfo; 52import android.content.pm.UserInfo; 53import android.database.Cursor; 54import android.database.DatabaseUtils; 55import android.database.sqlite.SQLiteDatabase; 56import android.database.sqlite.SQLiteOpenHelper; 57import android.os.Binder; 58import android.os.Bundle; 59import android.os.Environment; 60import android.os.Handler; 61import android.os.IBinder; 62import android.os.Looper; 63import android.os.Message; 64import android.os.Parcel; 65import android.os.Process; 66import android.os.RemoteException; 67import android.os.SystemClock; 68import android.os.UserHandle; 69import android.os.UserManager; 70import android.text.TextUtils; 71import android.util.Log; 72import android.util.Pair; 73import android.util.Slog; 74import android.util.SparseArray; 75 76import com.android.internal.R; 77import com.android.internal.util.ArrayUtils; 78import com.android.internal.util.IndentingPrintWriter; 79import com.android.server.FgThread; 80 81import com.google.android.collect.Lists; 82import com.google.android.collect.Sets; 83 84import java.io.File; 85import java.io.FileDescriptor; 86import java.io.PrintWriter; 87import java.util.ArrayList; 88import java.util.Arrays; 89import java.util.Collection; 90import java.util.HashMap; 91import java.util.HashSet; 92import java.util.LinkedHashMap; 93import java.util.List; 94import java.util.Map; 95import java.util.concurrent.atomic.AtomicInteger; 96import java.util.concurrent.atomic.AtomicReference; 97 98/** 99 * A system service that provides account, password, and authtoken management for all 100 * accounts on the device. Some of these calls are implemented with the help of the corresponding 101 * {@link IAccountAuthenticator} services. This service is not accessed by users directly, 102 * instead one uses an instance of {@link AccountManager}, which can be accessed as follows: 103 * AccountManager accountManager = AccountManager.get(context); 104 * @hide 105 */ 106public class AccountManagerService 107 extends IAccountManager.Stub 108 implements RegisteredServicesCacheListener<AuthenticatorDescription> { 109 private static final String TAG = "AccountManagerService"; 110 111 private static final int TIMEOUT_DELAY_MS = 1000 * 60; 112 private static final String DATABASE_NAME = "accounts.db"; 113 private static final int DATABASE_VERSION = 6; 114 115 private final Context mContext; 116 117 private final PackageManager mPackageManager; 118 private UserManager mUserManager; 119 120 private final MessageHandler mMessageHandler; 121 122 // Messages that can be sent on mHandler 123 private static final int MESSAGE_TIMED_OUT = 3; 124 private static final int MESSAGE_COPY_SHARED_ACCOUNT = 4; 125 126 private final IAccountAuthenticatorCache mAuthenticatorCache; 127 128 private static final String TABLE_ACCOUNTS = "accounts"; 129 private static final String ACCOUNTS_ID = "_id"; 130 private static final String ACCOUNTS_NAME = "name"; 131 private static final String ACCOUNTS_TYPE = "type"; 132 private static final String ACCOUNTS_TYPE_COUNT = "count(type)"; 133 private static final String ACCOUNTS_PASSWORD = "password"; 134 private static final String ACCOUNTS_PREVIOUS_NAME = "previous_name"; 135 136 private static final String TABLE_AUTHTOKENS = "authtokens"; 137 private static final String AUTHTOKENS_ID = "_id"; 138 private static final String AUTHTOKENS_ACCOUNTS_ID = "accounts_id"; 139 private static final String AUTHTOKENS_TYPE = "type"; 140 private static final String AUTHTOKENS_AUTHTOKEN = "authtoken"; 141 142 private static final String TABLE_GRANTS = "grants"; 143 private static final String GRANTS_ACCOUNTS_ID = "accounts_id"; 144 private static final String GRANTS_AUTH_TOKEN_TYPE = "auth_token_type"; 145 private static final String GRANTS_GRANTEE_UID = "uid"; 146 147 private static final String TABLE_EXTRAS = "extras"; 148 private static final String EXTRAS_ID = "_id"; 149 private static final String EXTRAS_ACCOUNTS_ID = "accounts_id"; 150 private static final String EXTRAS_KEY = "key"; 151 private static final String EXTRAS_VALUE = "value"; 152 153 private static final String TABLE_META = "meta"; 154 private static final String META_KEY = "key"; 155 private static final String META_VALUE = "value"; 156 157 private static final String TABLE_SHARED_ACCOUNTS = "shared_accounts"; 158 159 private static final String[] ACCOUNT_TYPE_COUNT_PROJECTION = 160 new String[] { ACCOUNTS_TYPE, ACCOUNTS_TYPE_COUNT}; 161 private static final Intent ACCOUNTS_CHANGED_INTENT; 162 163 private static final String COUNT_OF_MATCHING_GRANTS = "" 164 + "SELECT COUNT(*) FROM " + TABLE_GRANTS + ", " + TABLE_ACCOUNTS 165 + " WHERE " + GRANTS_ACCOUNTS_ID + "=" + ACCOUNTS_ID 166 + " AND " + GRANTS_GRANTEE_UID + "=?" 167 + " AND " + GRANTS_AUTH_TOKEN_TYPE + "=?" 168 + " AND " + ACCOUNTS_NAME + "=?" 169 + " AND " + ACCOUNTS_TYPE + "=?"; 170 171 private static final String SELECTION_AUTHTOKENS_BY_ACCOUNT = 172 AUTHTOKENS_ACCOUNTS_ID + "=(select _id FROM accounts WHERE name=? AND type=?)"; 173 private static final String[] COLUMNS_AUTHTOKENS_TYPE_AND_AUTHTOKEN = {AUTHTOKENS_TYPE, 174 AUTHTOKENS_AUTHTOKEN}; 175 176 private static final String SELECTION_USERDATA_BY_ACCOUNT = 177 EXTRAS_ACCOUNTS_ID + "=(select _id FROM accounts WHERE name=? AND type=?)"; 178 private static final String[] COLUMNS_EXTRAS_KEY_AND_VALUE = {EXTRAS_KEY, EXTRAS_VALUE}; 179 180 private final LinkedHashMap<String, Session> mSessions = new LinkedHashMap<String, Session>(); 181 private final AtomicInteger mNotificationIds = new AtomicInteger(1); 182 183 static class UserAccounts { 184 private final int userId; 185 private final DatabaseHelper openHelper; 186 private final HashMap<Pair<Pair<Account, String>, Integer>, Integer> 187 credentialsPermissionNotificationIds = 188 new HashMap<Pair<Pair<Account, String>, Integer>, Integer>(); 189 private final HashMap<Account, Integer> signinRequiredNotificationIds = 190 new HashMap<Account, Integer>(); 191 private final Object cacheLock = new Object(); 192 /** protected by the {@link #cacheLock} */ 193 private final HashMap<String, Account[]> accountCache = 194 new LinkedHashMap<String, Account[]>(); 195 /** protected by the {@link #cacheLock} */ 196 private final HashMap<Account, HashMap<String, String>> userDataCache = 197 new HashMap<Account, HashMap<String, String>>(); 198 /** protected by the {@link #cacheLock} */ 199 private final HashMap<Account, HashMap<String, String>> authTokenCache = 200 new HashMap<Account, HashMap<String, String>>(); 201 /** 202 * protected by the {@link #cacheLock} 203 * 204 * Caches the previous names associated with an account. Previous names 205 * should be cached because we expect that when an Account is renamed, 206 * many clients will receive a LOGIN_ACCOUNTS_CHANGED broadcast and 207 * want to know if the accounts they care about have been renamed. 208 * 209 * The previous names are wrapped in an {@link AtomicReference} so that 210 * we can distinguish between those accounts with no previous names and 211 * those whose previous names haven't been cached (yet). 212 */ 213 private final HashMap<Account, AtomicReference<String>> previousNameCache = 214 new HashMap<Account, AtomicReference<String>>(); 215 216 UserAccounts(Context context, int userId) { 217 this.userId = userId; 218 synchronized (cacheLock) { 219 openHelper = new DatabaseHelper(context, userId); 220 } 221 } 222 } 223 224 private final SparseArray<UserAccounts> mUsers = new SparseArray<UserAccounts>(); 225 226 private static AtomicReference<AccountManagerService> sThis = 227 new AtomicReference<AccountManagerService>(); 228 private static final Account[] EMPTY_ACCOUNT_ARRAY = new Account[]{}; 229 230 static { 231 ACCOUNTS_CHANGED_INTENT = new Intent(AccountManager.LOGIN_ACCOUNTS_CHANGED_ACTION); 232 ACCOUNTS_CHANGED_INTENT.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 233 } 234 235 236 /** 237 * This should only be called by system code. One should only call this after the service 238 * has started. 239 * @return a reference to the AccountManagerService instance 240 * @hide 241 */ 242 public static AccountManagerService getSingleton() { 243 return sThis.get(); 244 } 245 246 public AccountManagerService(Context context) { 247 this(context, context.getPackageManager(), new AccountAuthenticatorCache(context)); 248 } 249 250 public AccountManagerService(Context context, PackageManager packageManager, 251 IAccountAuthenticatorCache authenticatorCache) { 252 mContext = context; 253 mPackageManager = packageManager; 254 255 mMessageHandler = new MessageHandler(FgThread.get().getLooper()); 256 257 mAuthenticatorCache = authenticatorCache; 258 mAuthenticatorCache.setListener(this, null /* Handler */); 259 260 sThis.set(this); 261 262 IntentFilter intentFilter = new IntentFilter(); 263 intentFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 264 intentFilter.addDataScheme("package"); 265 mContext.registerReceiver(new BroadcastReceiver() { 266 @Override 267 public void onReceive(Context context1, Intent intent) { 268 purgeOldGrantsAll(); 269 } 270 }, intentFilter); 271 272 IntentFilter userFilter = new IntentFilter(); 273 userFilter.addAction(Intent.ACTION_USER_REMOVED); 274 userFilter.addAction(Intent.ACTION_USER_STARTED); 275 mContext.registerReceiverAsUser(new BroadcastReceiver() { 276 @Override 277 public void onReceive(Context context, Intent intent) { 278 String action = intent.getAction(); 279 if (Intent.ACTION_USER_REMOVED.equals(action)) { 280 onUserRemoved(intent); 281 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 282 onUserStarted(intent); 283 } 284 } 285 }, UserHandle.ALL, userFilter, null, null); 286 } 287 288 @Override 289 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 290 throws RemoteException { 291 try { 292 return super.onTransact(code, data, reply, flags); 293 } catch (RuntimeException e) { 294 // The account manager only throws security exceptions, so let's 295 // log all others. 296 if (!(e instanceof SecurityException)) { 297 Slog.wtf(TAG, "Account Manager Crash", e); 298 } 299 throw e; 300 } 301 } 302 303 public void systemReady() { 304 } 305 306 private UserManager getUserManager() { 307 if (mUserManager == null) { 308 mUserManager = UserManager.get(mContext); 309 } 310 return mUserManager; 311 } 312 313 /* Caller should lock mUsers */ 314 private UserAccounts initUserLocked(int userId) { 315 UserAccounts accounts = mUsers.get(userId); 316 if (accounts == null) { 317 accounts = new UserAccounts(mContext, userId); 318 mUsers.append(userId, accounts); 319 purgeOldGrants(accounts); 320 validateAccountsInternal(accounts, true /* invalidateAuthenticatorCache */); 321 } 322 return accounts; 323 } 324 325 private void purgeOldGrantsAll() { 326 synchronized (mUsers) { 327 for (int i = 0; i < mUsers.size(); i++) { 328 purgeOldGrants(mUsers.valueAt(i)); 329 } 330 } 331 } 332 333 private void purgeOldGrants(UserAccounts accounts) { 334 synchronized (accounts.cacheLock) { 335 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 336 final Cursor cursor = db.query(TABLE_GRANTS, 337 new String[]{GRANTS_GRANTEE_UID}, 338 null, null, GRANTS_GRANTEE_UID, null, null); 339 try { 340 while (cursor.moveToNext()) { 341 final int uid = cursor.getInt(0); 342 final boolean packageExists = mPackageManager.getPackagesForUid(uid) != null; 343 if (packageExists) { 344 continue; 345 } 346 Log.d(TAG, "deleting grants for UID " + uid 347 + " because its package is no longer installed"); 348 db.delete(TABLE_GRANTS, GRANTS_GRANTEE_UID + "=?", 349 new String[]{Integer.toString(uid)}); 350 } 351 } finally { 352 cursor.close(); 353 } 354 } 355 } 356 357 /** 358 * Validate internal set of accounts against installed authenticators for 359 * given user. Clears cached authenticators before validating. 360 */ 361 public void validateAccounts(int userId) { 362 final UserAccounts accounts = getUserAccounts(userId); 363 364 // Invalidate user-specific cache to make sure we catch any 365 // removed authenticators. 366 validateAccountsInternal(accounts, true /* invalidateAuthenticatorCache */); 367 } 368 369 /** 370 * Validate internal set of accounts against installed authenticators for 371 * given user. Clear cached authenticators before validating when requested. 372 */ 373 private void validateAccountsInternal( 374 UserAccounts accounts, boolean invalidateAuthenticatorCache) { 375 if (invalidateAuthenticatorCache) { 376 mAuthenticatorCache.invalidateCache(accounts.userId); 377 } 378 379 final HashSet<AuthenticatorDescription> knownAuth = Sets.newHashSet(); 380 for (RegisteredServicesCache.ServiceInfo<AuthenticatorDescription> service : 381 mAuthenticatorCache.getAllServices(accounts.userId)) { 382 knownAuth.add(service.type); 383 } 384 385 synchronized (accounts.cacheLock) { 386 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 387 boolean accountDeleted = false; 388 Cursor cursor = db.query(TABLE_ACCOUNTS, 389 new String[]{ACCOUNTS_ID, ACCOUNTS_TYPE, ACCOUNTS_NAME}, 390 null, null, null, null, null); 391 try { 392 accounts.accountCache.clear(); 393 final HashMap<String, ArrayList<String>> accountNamesByType = 394 new LinkedHashMap<String, ArrayList<String>>(); 395 while (cursor.moveToNext()) { 396 final long accountId = cursor.getLong(0); 397 final String accountType = cursor.getString(1); 398 final String accountName = cursor.getString(2); 399 400 if (!knownAuth.contains(AuthenticatorDescription.newKey(accountType))) { 401 Slog.w(TAG, "deleting account " + accountName + " because type " 402 + accountType + " no longer has a registered authenticator"); 403 db.delete(TABLE_ACCOUNTS, ACCOUNTS_ID + "=" + accountId, null); 404 accountDeleted = true; 405 final Account account = new Account(accountName, accountType); 406 accounts.userDataCache.remove(account); 407 accounts.authTokenCache.remove(account); 408 } else { 409 ArrayList<String> accountNames = accountNamesByType.get(accountType); 410 if (accountNames == null) { 411 accountNames = new ArrayList<String>(); 412 accountNamesByType.put(accountType, accountNames); 413 } 414 accountNames.add(accountName); 415 } 416 } 417 for (Map.Entry<String, ArrayList<String>> cur 418 : accountNamesByType.entrySet()) { 419 final String accountType = cur.getKey(); 420 final ArrayList<String> accountNames = cur.getValue(); 421 final Account[] accountsForType = new Account[accountNames.size()]; 422 int i = 0; 423 for (String accountName : accountNames) { 424 accountsForType[i] = new Account(accountName, accountType); 425 ++i; 426 } 427 accounts.accountCache.put(accountType, accountsForType); 428 } 429 } finally { 430 cursor.close(); 431 if (accountDeleted) { 432 sendAccountsChangedBroadcast(accounts.userId); 433 } 434 } 435 } 436 } 437 438 private UserAccounts getUserAccountsForCaller() { 439 return getUserAccounts(UserHandle.getCallingUserId()); 440 } 441 442 protected UserAccounts getUserAccounts(int userId) { 443 synchronized (mUsers) { 444 UserAccounts accounts = mUsers.get(userId); 445 if (accounts == null) { 446 accounts = initUserLocked(userId); 447 mUsers.append(userId, accounts); 448 } 449 return accounts; 450 } 451 } 452 453 private void onUserRemoved(Intent intent) { 454 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); 455 if (userId < 1) return; 456 457 UserAccounts accounts; 458 synchronized (mUsers) { 459 accounts = mUsers.get(userId); 460 mUsers.remove(userId); 461 } 462 if (accounts == null) { 463 File dbFile = new File(getDatabaseName(userId)); 464 dbFile.delete(); 465 return; 466 } 467 468 synchronized (accounts.cacheLock) { 469 accounts.openHelper.close(); 470 File dbFile = new File(getDatabaseName(userId)); 471 dbFile.delete(); 472 } 473 } 474 475 private void onUserStarted(Intent intent) { 476 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); 477 if (userId < 1) return; 478 479 // Check if there's a shared account that needs to be created as an account 480 Account[] sharedAccounts = getSharedAccountsAsUser(userId); 481 if (sharedAccounts == null || sharedAccounts.length == 0) return; 482 Account[] accounts = getAccountsAsUser(null, userId); 483 for (Account sa : sharedAccounts) { 484 if (ArrayUtils.contains(accounts, sa)) continue; 485 // Account doesn't exist. Copy it now. 486 copyAccountToUser(sa, UserHandle.USER_OWNER, userId); 487 } 488 } 489 490 @Override 491 public void onServiceChanged(AuthenticatorDescription desc, int userId, boolean removed) { 492 validateAccountsInternal(getUserAccounts(userId), false /* invalidateAuthenticatorCache */); 493 } 494 495 @Override 496 public String getPassword(Account account) { 497 if (Log.isLoggable(TAG, Log.VERBOSE)) { 498 Log.v(TAG, "getPassword: " + account 499 + ", caller's uid " + Binder.getCallingUid() 500 + ", pid " + Binder.getCallingPid()); 501 } 502 if (account == null) throw new IllegalArgumentException("account is null"); 503 checkAuthenticateAccountsPermission(account); 504 505 UserAccounts accounts = getUserAccountsForCaller(); 506 long identityToken = clearCallingIdentity(); 507 try { 508 return readPasswordInternal(accounts, account); 509 } finally { 510 restoreCallingIdentity(identityToken); 511 } 512 } 513 514 private String readPasswordInternal(UserAccounts accounts, Account account) { 515 if (account == null) { 516 return null; 517 } 518 519 synchronized (accounts.cacheLock) { 520 final SQLiteDatabase db = accounts.openHelper.getReadableDatabase(); 521 Cursor cursor = db.query(TABLE_ACCOUNTS, new String[]{ACCOUNTS_PASSWORD}, 522 ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?", 523 new String[]{account.name, account.type}, null, null, null); 524 try { 525 if (cursor.moveToNext()) { 526 return cursor.getString(0); 527 } 528 return null; 529 } finally { 530 cursor.close(); 531 } 532 } 533 } 534 535 @Override 536 public String getPreviousName(Account account) { 537 if (Log.isLoggable(TAG, Log.VERBOSE)) { 538 Log.v(TAG, "getPreviousName: " + account 539 + ", caller's uid " + Binder.getCallingUid() 540 + ", pid " + Binder.getCallingPid()); 541 } 542 if (account == null) throw new IllegalArgumentException("account is null"); 543 UserAccounts accounts = getUserAccountsForCaller(); 544 long identityToken = clearCallingIdentity(); 545 try { 546 return readPreviousNameInternal(accounts, account); 547 } finally { 548 restoreCallingIdentity(identityToken); 549 } 550 } 551 552 private String readPreviousNameInternal(UserAccounts accounts, Account account) { 553 if (account == null) { 554 return null; 555 } 556 synchronized (accounts.cacheLock) { 557 AtomicReference<String> previousNameRef = accounts.previousNameCache.get(account); 558 if (previousNameRef == null) { 559 final SQLiteDatabase db = accounts.openHelper.getReadableDatabase(); 560 Cursor cursor = db.query( 561 TABLE_ACCOUNTS, 562 new String[]{ ACCOUNTS_PREVIOUS_NAME }, 563 ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?", 564 new String[] { account.name, account.type }, 565 null, 566 null, 567 null); 568 try { 569 if (cursor.moveToNext()) { 570 String previousName = cursor.getString(0); 571 previousNameRef = new AtomicReference<String>(previousName); 572 accounts.previousNameCache.put(account, previousNameRef); 573 return previousName; 574 } else { 575 return null; 576 } 577 } finally { 578 cursor.close(); 579 } 580 } else { 581 return previousNameRef.get(); 582 } 583 } 584 } 585 586 @Override 587 public String getUserData(Account account, String key) { 588 if (Log.isLoggable(TAG, Log.VERBOSE)) { 589 Log.v(TAG, "getUserData: " + account 590 + ", key " + key 591 + ", caller's uid " + Binder.getCallingUid() 592 + ", pid " + Binder.getCallingPid()); 593 } 594 if (account == null) throw new IllegalArgumentException("account is null"); 595 if (key == null) throw new IllegalArgumentException("key is null"); 596 checkAuthenticateAccountsPermission(account); 597 UserAccounts accounts = getUserAccountsForCaller(); 598 long identityToken = clearCallingIdentity(); 599 try { 600 return readUserDataInternal(accounts, account, key); 601 } finally { 602 restoreCallingIdentity(identityToken); 603 } 604 } 605 606 @Override 607 public AuthenticatorDescription[] getAuthenticatorTypes(int userId) { 608 if (Log.isLoggable(TAG, Log.VERBOSE)) { 609 Log.v(TAG, "getAuthenticatorTypes: " 610 + "for user id " + userId 611 + "caller's uid " + Binder.getCallingUid() 612 + ", pid " + Binder.getCallingPid()); 613 } 614 // Only allow the system process to read accounts of other users 615 enforceCrossUserPermission(userId, "User " + UserHandle.getCallingUserId() 616 + " trying get authenticator types for " + userId); 617 final long identityToken = clearCallingIdentity(); 618 try { 619 Collection<AccountAuthenticatorCache.ServiceInfo<AuthenticatorDescription>> 620 authenticatorCollection = mAuthenticatorCache.getAllServices(userId); 621 AuthenticatorDescription[] types = 622 new AuthenticatorDescription[authenticatorCollection.size()]; 623 int i = 0; 624 for (AccountAuthenticatorCache.ServiceInfo<AuthenticatorDescription> authenticator 625 : authenticatorCollection) { 626 types[i] = authenticator.type; 627 i++; 628 } 629 return types; 630 } finally { 631 restoreCallingIdentity(identityToken); 632 } 633 } 634 635 private void enforceCrossUserPermission(int userId, String errorMessage) { 636 if (userId != UserHandle.getCallingUserId() 637 && Binder.getCallingUid() != Process.myUid() 638 && mContext.checkCallingOrSelfPermission( 639 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 640 != PackageManager.PERMISSION_GRANTED) { 641 throw new SecurityException(errorMessage); 642 } 643 } 644 645 @Override 646 public boolean addAccountExplicitly(Account account, String password, Bundle extras) { 647 if (Log.isLoggable(TAG, Log.VERBOSE)) { 648 Log.v(TAG, "addAccountExplicitly: " + account 649 + ", caller's uid " + Binder.getCallingUid() 650 + ", pid " + Binder.getCallingPid()); 651 } 652 if (account == null) throw new IllegalArgumentException("account is null"); 653 checkAuthenticateAccountsPermission(account); 654 /* 655 * Child users are not allowed to add accounts. Only the accounts that are 656 * shared by the parent profile can be added to child profile. 657 * 658 * TODO: Only allow accounts that were shared to be added by 659 * a limited user. 660 */ 661 662 UserAccounts accounts = getUserAccountsForCaller(); 663 // fails if the account already exists 664 long identityToken = clearCallingIdentity(); 665 try { 666 return addAccountInternal(accounts, account, password, extras, false); 667 } finally { 668 restoreCallingIdentity(identityToken); 669 } 670 } 671 672 private boolean copyAccountToUser(final Account account, int userFrom, int userTo) { 673 final UserAccounts fromAccounts = getUserAccounts(userFrom); 674 final UserAccounts toAccounts = getUserAccounts(userTo); 675 if (fromAccounts == null || toAccounts == null) { 676 return false; 677 } 678 679 long identityToken = clearCallingIdentity(); 680 try { 681 new Session(fromAccounts, null, account.type, false, 682 false /* stripAuthTokenFromResult */) { 683 @Override 684 protected String toDebugString(long now) { 685 return super.toDebugString(now) + ", getAccountCredentialsForClone" 686 + ", " + account.type; 687 } 688 689 @Override 690 public void run() throws RemoteException { 691 mAuthenticator.getAccountCredentialsForCloning(this, account); 692 } 693 694 @Override 695 public void onResult(Bundle result) { 696 if (result != null) { 697 if (result.getBoolean(AccountManager.KEY_BOOLEAN_RESULT, false)) { 698 // Create a Session for the target user and pass in the bundle 699 completeCloningAccount(result, account, toAccounts); 700 } 701 return; 702 } else { 703 super.onResult(result); 704 } 705 } 706 }.bind(); 707 } finally { 708 restoreCallingIdentity(identityToken); 709 } 710 return true; 711 } 712 713 void completeCloningAccount(final Bundle result, final Account account, 714 final UserAccounts targetUser) { 715 long id = clearCallingIdentity(); 716 try { 717 new Session(targetUser, null, account.type, false, 718 false /* stripAuthTokenFromResult */) { 719 @Override 720 protected String toDebugString(long now) { 721 return super.toDebugString(now) + ", getAccountCredentialsForClone" 722 + ", " + account.type; 723 } 724 725 @Override 726 public void run() throws RemoteException { 727 // Confirm that the owner's account still exists before this step. 728 UserAccounts owner = getUserAccounts(UserHandle.USER_OWNER); 729 synchronized (owner.cacheLock) { 730 Account[] ownerAccounts = getAccounts(UserHandle.USER_OWNER); 731 for (Account acc : ownerAccounts) { 732 if (acc.equals(account)) { 733 mAuthenticator.addAccountFromCredentials(this, account, result); 734 break; 735 } 736 } 737 } 738 } 739 740 @Override 741 public void onResult(Bundle result) { 742 if (result != null) { 743 if (result.getBoolean(AccountManager.KEY_BOOLEAN_RESULT, false)) { 744 // TODO: Anything? 745 } else { 746 // TODO: Show error notification 747 // TODO: Should we remove the shadow account to avoid retries? 748 } 749 return; 750 } else { 751 super.onResult(result); 752 } 753 } 754 755 @Override 756 public void onError(int errorCode, String errorMessage) { 757 super.onError(errorCode, errorMessage); 758 // TODO: Show error notification to user 759 // TODO: Should we remove the shadow account so that it doesn't keep trying? 760 } 761 762 }.bind(); 763 } finally { 764 restoreCallingIdentity(id); 765 } 766 } 767 768 private boolean addAccountInternal(UserAccounts accounts, Account account, String password, 769 Bundle extras, boolean restricted) { 770 if (account == null) { 771 return false; 772 } 773 synchronized (accounts.cacheLock) { 774 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 775 db.beginTransaction(); 776 try { 777 long numMatches = DatabaseUtils.longForQuery(db, 778 "select count(*) from " + TABLE_ACCOUNTS 779 + " WHERE " + ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?", 780 new String[]{account.name, account.type}); 781 if (numMatches > 0) { 782 Log.w(TAG, "insertAccountIntoDatabase: " + account 783 + ", skipping since the account already exists"); 784 return false; 785 } 786 ContentValues values = new ContentValues(); 787 values.put(ACCOUNTS_NAME, account.name); 788 values.put(ACCOUNTS_TYPE, account.type); 789 values.put(ACCOUNTS_PASSWORD, password); 790 long accountId = db.insert(TABLE_ACCOUNTS, ACCOUNTS_NAME, values); 791 if (accountId < 0) { 792 Log.w(TAG, "insertAccountIntoDatabase: " + account 793 + ", skipping the DB insert failed"); 794 return false; 795 } 796 if (extras != null) { 797 for (String key : extras.keySet()) { 798 final String value = extras.getString(key); 799 if (insertExtraLocked(db, accountId, key, value) < 0) { 800 Log.w(TAG, "insertAccountIntoDatabase: " + account 801 + ", skipping since insertExtra failed for key " + key); 802 return false; 803 } 804 } 805 } 806 db.setTransactionSuccessful(); 807 insertAccountIntoCacheLocked(accounts, account); 808 } finally { 809 db.endTransaction(); 810 } 811 sendAccountsChangedBroadcast(accounts.userId); 812 } 813 if (accounts.userId == UserHandle.USER_OWNER) { 814 addAccountToLimitedUsers(account); 815 } 816 return true; 817 } 818 819 /** 820 * Adds the account to all limited users as shared accounts. If the user is currently 821 * running, then clone the account too. 822 * @param account the account to share with limited users 823 */ 824 private void addAccountToLimitedUsers(Account account) { 825 List<UserInfo> users = getUserManager().getUsers(); 826 for (UserInfo user : users) { 827 if (user.isRestricted()) { 828 addSharedAccountAsUser(account, user.id); 829 try { 830 if (ActivityManagerNative.getDefault().isUserRunning(user.id, false)) { 831 mMessageHandler.sendMessage(mMessageHandler.obtainMessage( 832 MESSAGE_COPY_SHARED_ACCOUNT, UserHandle.USER_OWNER, user.id, 833 account)); 834 } 835 } catch (RemoteException re) { 836 // Shouldn't happen 837 } 838 } 839 } 840 } 841 842 private long insertExtraLocked(SQLiteDatabase db, long accountId, String key, String value) { 843 ContentValues values = new ContentValues(); 844 values.put(EXTRAS_KEY, key); 845 values.put(EXTRAS_ACCOUNTS_ID, accountId); 846 values.put(EXTRAS_VALUE, value); 847 return db.insert(TABLE_EXTRAS, EXTRAS_KEY, values); 848 } 849 850 @Override 851 public void hasFeatures(IAccountManagerResponse response, 852 Account account, String[] features) { 853 if (Log.isLoggable(TAG, Log.VERBOSE)) { 854 Log.v(TAG, "hasFeatures: " + account 855 + ", response " + response 856 + ", features " + stringArrayToString(features) 857 + ", caller's uid " + Binder.getCallingUid() 858 + ", pid " + Binder.getCallingPid()); 859 } 860 if (response == null) throw new IllegalArgumentException("response is null"); 861 if (account == null) throw new IllegalArgumentException("account is null"); 862 if (features == null) throw new IllegalArgumentException("features is null"); 863 checkReadAccountsPermission(); 864 UserAccounts accounts = getUserAccountsForCaller(); 865 long identityToken = clearCallingIdentity(); 866 try { 867 new TestFeaturesSession(accounts, response, account, features).bind(); 868 } finally { 869 restoreCallingIdentity(identityToken); 870 } 871 } 872 873 private class TestFeaturesSession extends Session { 874 private final String[] mFeatures; 875 private final Account mAccount; 876 877 public TestFeaturesSession(UserAccounts accounts, IAccountManagerResponse response, 878 Account account, String[] features) { 879 super(accounts, response, account.type, false /* expectActivityLaunch */, 880 true /* stripAuthTokenFromResult */); 881 mFeatures = features; 882 mAccount = account; 883 } 884 885 @Override 886 public void run() throws RemoteException { 887 try { 888 mAuthenticator.hasFeatures(this, mAccount, mFeatures); 889 } catch (RemoteException e) { 890 onError(AccountManager.ERROR_CODE_REMOTE_EXCEPTION, "remote exception"); 891 } 892 } 893 894 @Override 895 public void onResult(Bundle result) { 896 IAccountManagerResponse response = getResponseAndClose(); 897 if (response != null) { 898 try { 899 if (result == null) { 900 response.onError(AccountManager.ERROR_CODE_INVALID_RESPONSE, "null bundle"); 901 return; 902 } 903 if (Log.isLoggable(TAG, Log.VERBOSE)) { 904 Log.v(TAG, getClass().getSimpleName() + " calling onResult() on response " 905 + response); 906 } 907 final Bundle newResult = new Bundle(); 908 newResult.putBoolean(AccountManager.KEY_BOOLEAN_RESULT, 909 result.getBoolean(AccountManager.KEY_BOOLEAN_RESULT, false)); 910 response.onResult(newResult); 911 } catch (RemoteException e) { 912 // if the caller is dead then there is no one to care about remote exceptions 913 if (Log.isLoggable(TAG, Log.VERBOSE)) { 914 Log.v(TAG, "failure while notifying response", e); 915 } 916 } 917 } 918 } 919 920 @Override 921 protected String toDebugString(long now) { 922 return super.toDebugString(now) + ", hasFeatures" 923 + ", " + mAccount 924 + ", " + (mFeatures != null ? TextUtils.join(",", mFeatures) : null); 925 } 926 } 927 928 @Override 929 public void renameAccount( 930 IAccountManagerResponse response, Account accountToRename, String newName) { 931 if (Log.isLoggable(TAG, Log.VERBOSE)) { 932 Log.v(TAG, "renameAccount: " + accountToRename + " -> " + newName 933 + ", caller's uid " + Binder.getCallingUid() 934 + ", pid " + Binder.getCallingPid()); 935 } 936 if (accountToRename == null) throw new IllegalArgumentException("account is null"); 937 checkAuthenticateAccountsPermission(accountToRename); 938 UserAccounts accounts = getUserAccountsForCaller(); 939 long identityToken = clearCallingIdentity(); 940 try { 941 Account resultingAccount = renameAccountInternal(accounts, accountToRename, newName); 942 Bundle result = new Bundle(); 943 result.putString(AccountManager.KEY_ACCOUNT_NAME, resultingAccount.name); 944 result.putString(AccountManager.KEY_ACCOUNT_TYPE, resultingAccount.type); 945 try { 946 response.onResult(result); 947 } catch (RemoteException e) { 948 Log.w(TAG, e.getMessage()); 949 } 950 } finally { 951 restoreCallingIdentity(identityToken); 952 } 953 } 954 955 private Account renameAccountInternal( 956 UserAccounts accounts, Account accountToRename, String newName) { 957 Account resultAccount = null; 958 /* 959 * Cancel existing notifications. Let authenticators 960 * re-post notifications as required. But we don't know if 961 * the authenticators have bound their notifications to 962 * now stale account name data. 963 * 964 * With a rename api, we might not need to do this anymore but it 965 * shouldn't hurt. 966 */ 967 cancelNotification( 968 getSigninRequiredNotificationId(accounts, accountToRename), 969 new UserHandle(accounts.userId)); 970 synchronized(accounts.credentialsPermissionNotificationIds) { 971 for (Pair<Pair<Account, String>, Integer> pair: 972 accounts.credentialsPermissionNotificationIds.keySet()) { 973 if (accountToRename.equals(pair.first.first)) { 974 int id = accounts.credentialsPermissionNotificationIds.get(pair); 975 cancelNotification(id, new UserHandle(accounts.userId)); 976 } 977 } 978 } 979 synchronized (accounts.cacheLock) { 980 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 981 db.beginTransaction(); 982 boolean isSuccessful = false; 983 Account renamedAccount = new Account(newName, accountToRename.type); 984 try { 985 final ContentValues values = new ContentValues(); 986 values.put(ACCOUNTS_NAME, newName); 987 values.put(ACCOUNTS_PREVIOUS_NAME, accountToRename.name); 988 final long accountId = getAccountIdLocked(db, accountToRename); 989 if (accountId >= 0) { 990 final String[] argsAccountId = { String.valueOf(accountId) }; 991 db.update(TABLE_ACCOUNTS, values, ACCOUNTS_ID + "=?", argsAccountId); 992 db.setTransactionSuccessful(); 993 isSuccessful = true; 994 } 995 } finally { 996 db.endTransaction(); 997 if (isSuccessful) { 998 /* 999 * Database transaction was successful. Clean up cached 1000 * data associated with the account in the user profile. 1001 */ 1002 insertAccountIntoCacheLocked(accounts, renamedAccount); 1003 /* 1004 * Extract the data and token caches before removing the 1005 * old account to preserve the user data associated with 1006 * the account. 1007 */ 1008 HashMap<String, String> tmpData = accounts.userDataCache.get(accountToRename); 1009 HashMap<String, String> tmpTokens = accounts.authTokenCache.get(accountToRename); 1010 removeAccountFromCacheLocked(accounts, accountToRename); 1011 /* 1012 * Update the cached data associated with the renamed 1013 * account. 1014 */ 1015 accounts.userDataCache.put(renamedAccount, tmpData); 1016 accounts.authTokenCache.put(renamedAccount, tmpTokens); 1017 accounts.previousNameCache.put( 1018 renamedAccount, 1019 new AtomicReference<String>(accountToRename.name)); 1020 resultAccount = renamedAccount; 1021 1022 if (accounts.userId == UserHandle.USER_OWNER) { 1023 /* 1024 * Owner's account was renamed, rename the account for 1025 * those users with which the account was shared. 1026 */ 1027 List<UserInfo> users = mUserManager.getUsers(true); 1028 for (UserInfo user : users) { 1029 if (!user.isPrimary() && user.isRestricted()) { 1030 renameSharedAccountAsUser(accountToRename, newName, user.id); 1031 } 1032 } 1033 } 1034 sendAccountsChangedBroadcast(accounts.userId); 1035 } 1036 } 1037 } 1038 return resultAccount; 1039 } 1040 1041 @Override 1042 public void removeAccount(IAccountManagerResponse response, Account account) { 1043 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1044 Log.v(TAG, "removeAccount: " + account 1045 + ", response " + response 1046 + ", caller's uid " + Binder.getCallingUid() 1047 + ", pid " + Binder.getCallingPid()); 1048 } 1049 if (response == null) throw new IllegalArgumentException("response is null"); 1050 if (account == null) throw new IllegalArgumentException("account is null"); 1051 checkManageAccountsPermission(); 1052 UserHandle user = Binder.getCallingUserHandle(); 1053 UserAccounts accounts = getUserAccountsForCaller(); 1054 int userId = Binder.getCallingUserHandle().getIdentifier(); 1055 if (!canUserModifyAccounts(userId)) { 1056 try { 1057 // TODO: This should be ERROR_CODE_USER_RESTRICTED instead. See http://b/16322768 1058 response.onError(AccountManager.ERROR_CODE_UNSUPPORTED_OPERATION, 1059 "User cannot modify accounts"); 1060 } catch (RemoteException re) { 1061 } 1062 return; 1063 } 1064 if (!canUserModifyAccountsForType(userId, account.type)) { 1065 try { 1066 response.onError(AccountManager.ERROR_CODE_MANAGEMENT_DISABLED_FOR_ACCOUNT_TYPE, 1067 "User cannot modify accounts of this type (policy)."); 1068 } catch (RemoteException re) { 1069 } 1070 return; 1071 } 1072 1073 long identityToken = clearCallingIdentity(); 1074 1075 cancelNotification(getSigninRequiredNotificationId(accounts, account), user); 1076 synchronized (accounts.credentialsPermissionNotificationIds) { 1077 for (Pair<Pair<Account, String>, Integer> pair: 1078 accounts.credentialsPermissionNotificationIds.keySet()) { 1079 if (account.equals(pair.first.first)) { 1080 int id = accounts.credentialsPermissionNotificationIds.get(pair); 1081 cancelNotification(id, user); 1082 } 1083 } 1084 } 1085 1086 try { 1087 new RemoveAccountSession(accounts, response, account).bind(); 1088 } finally { 1089 restoreCallingIdentity(identityToken); 1090 } 1091 } 1092 1093 @Override 1094 public void removeAccountAsUser(IAccountManagerResponse response, Account account, 1095 int userId) { 1096 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1097 Log.v(TAG, "removeAccount: " + account 1098 + ", response " + response 1099 + ", caller's uid " + Binder.getCallingUid() 1100 + ", pid " + Binder.getCallingPid() 1101 + ", for user id " + userId); 1102 } 1103 if (response == null) throw new IllegalArgumentException("response is null"); 1104 if (account == null) throw new IllegalArgumentException("account is null"); 1105 1106 // Only allow the system process to modify accounts of other users 1107 enforceCrossUserPermission(userId, "User " + UserHandle.getCallingUserId() 1108 + " trying to remove account for " + userId); 1109 checkManageAccountsPermission(); 1110 1111 UserAccounts accounts = getUserAccounts(userId); 1112 if (!canUserModifyAccounts(userId)) { 1113 try { 1114 response.onError(AccountManager.ERROR_CODE_USER_RESTRICTED, 1115 "User cannot modify accounts"); 1116 } catch (RemoteException re) { 1117 } 1118 return; 1119 } 1120 if (!canUserModifyAccountsForType(userId, account.type)) { 1121 try { 1122 response.onError(AccountManager.ERROR_CODE_MANAGEMENT_DISABLED_FOR_ACCOUNT_TYPE, 1123 "User cannot modify accounts of this type (policy)."); 1124 } catch (RemoteException re) { 1125 } 1126 return; 1127 } 1128 1129 UserHandle user = new UserHandle(userId); 1130 long identityToken = clearCallingIdentity(); 1131 1132 cancelNotification(getSigninRequiredNotificationId(accounts, account), user); 1133 synchronized(accounts.credentialsPermissionNotificationIds) { 1134 for (Pair<Pair<Account, String>, Integer> pair: 1135 accounts.credentialsPermissionNotificationIds.keySet()) { 1136 if (account.equals(pair.first.first)) { 1137 int id = accounts.credentialsPermissionNotificationIds.get(pair); 1138 cancelNotification(id, user); 1139 } 1140 } 1141 } 1142 1143 try { 1144 new RemoveAccountSession(accounts, response, account).bind(); 1145 } finally { 1146 restoreCallingIdentity(identityToken); 1147 } 1148 } 1149 1150 private class RemoveAccountSession extends Session { 1151 final Account mAccount; 1152 public RemoveAccountSession(UserAccounts accounts, IAccountManagerResponse response, 1153 Account account) { 1154 super(accounts, response, account.type, false /* expectActivityLaunch */, 1155 true /* stripAuthTokenFromResult */); 1156 mAccount = account; 1157 } 1158 1159 @Override 1160 protected String toDebugString(long now) { 1161 return super.toDebugString(now) + ", removeAccount" 1162 + ", account " + mAccount; 1163 } 1164 1165 @Override 1166 public void run() throws RemoteException { 1167 mAuthenticator.getAccountRemovalAllowed(this, mAccount); 1168 } 1169 1170 @Override 1171 public void onResult(Bundle result) { 1172 if (result != null && result.containsKey(AccountManager.KEY_BOOLEAN_RESULT) 1173 && !result.containsKey(AccountManager.KEY_INTENT)) { 1174 final boolean removalAllowed = result.getBoolean(AccountManager.KEY_BOOLEAN_RESULT); 1175 if (removalAllowed) { 1176 removeAccountInternal(mAccounts, mAccount); 1177 } 1178 IAccountManagerResponse response = getResponseAndClose(); 1179 if (response != null) { 1180 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1181 Log.v(TAG, getClass().getSimpleName() + " calling onResult() on response " 1182 + response); 1183 } 1184 Bundle result2 = new Bundle(); 1185 result2.putBoolean(AccountManager.KEY_BOOLEAN_RESULT, removalAllowed); 1186 try { 1187 response.onResult(result2); 1188 } catch (RemoteException e) { 1189 // ignore 1190 } 1191 } 1192 } 1193 super.onResult(result); 1194 } 1195 } 1196 1197 /* For testing */ 1198 protected void removeAccountInternal(Account account) { 1199 removeAccountInternal(getUserAccountsForCaller(), account); 1200 } 1201 1202 private void removeAccountInternal(UserAccounts accounts, Account account) { 1203 synchronized (accounts.cacheLock) { 1204 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 1205 db.delete(TABLE_ACCOUNTS, ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?", 1206 new String[]{account.name, account.type}); 1207 removeAccountFromCacheLocked(accounts, account); 1208 sendAccountsChangedBroadcast(accounts.userId); 1209 } 1210 if (accounts.userId == UserHandle.USER_OWNER) { 1211 // Owner's account was removed, remove from any users that are sharing 1212 // this account. 1213 long id = Binder.clearCallingIdentity(); 1214 try { 1215 List<UserInfo> users = mUserManager.getUsers(true); 1216 for (UserInfo user : users) { 1217 if (!user.isPrimary() && user.isRestricted()) { 1218 removeSharedAccountAsUser(account, user.id); 1219 } 1220 } 1221 } finally { 1222 Binder.restoreCallingIdentity(id); 1223 } 1224 } 1225 } 1226 1227 @Override 1228 public void invalidateAuthToken(String accountType, String authToken) { 1229 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1230 Log.v(TAG, "invalidateAuthToken: accountType " + accountType 1231 + ", caller's uid " + Binder.getCallingUid() 1232 + ", pid " + Binder.getCallingPid()); 1233 } 1234 if (accountType == null) throw new IllegalArgumentException("accountType is null"); 1235 if (authToken == null) throw new IllegalArgumentException("authToken is null"); 1236 checkManageAccountsOrUseCredentialsPermissions(); 1237 UserAccounts accounts = getUserAccountsForCaller(); 1238 long identityToken = clearCallingIdentity(); 1239 try { 1240 synchronized (accounts.cacheLock) { 1241 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 1242 db.beginTransaction(); 1243 try { 1244 invalidateAuthTokenLocked(accounts, db, accountType, authToken); 1245 db.setTransactionSuccessful(); 1246 } finally { 1247 db.endTransaction(); 1248 } 1249 } 1250 } finally { 1251 restoreCallingIdentity(identityToken); 1252 } 1253 } 1254 1255 private void invalidateAuthTokenLocked(UserAccounts accounts, SQLiteDatabase db, 1256 String accountType, String authToken) { 1257 if (authToken == null || accountType == null) { 1258 return; 1259 } 1260 Cursor cursor = db.rawQuery( 1261 "SELECT " + TABLE_AUTHTOKENS + "." + AUTHTOKENS_ID 1262 + ", " + TABLE_ACCOUNTS + "." + ACCOUNTS_NAME 1263 + ", " + TABLE_AUTHTOKENS + "." + AUTHTOKENS_TYPE 1264 + " FROM " + TABLE_ACCOUNTS 1265 + " JOIN " + TABLE_AUTHTOKENS 1266 + " ON " + TABLE_ACCOUNTS + "." + ACCOUNTS_ID 1267 + " = " + AUTHTOKENS_ACCOUNTS_ID 1268 + " WHERE " + AUTHTOKENS_AUTHTOKEN + " = ? AND " 1269 + TABLE_ACCOUNTS + "." + ACCOUNTS_TYPE + " = ?", 1270 new String[]{authToken, accountType}); 1271 try { 1272 while (cursor.moveToNext()) { 1273 long authTokenId = cursor.getLong(0); 1274 String accountName = cursor.getString(1); 1275 String authTokenType = cursor.getString(2); 1276 db.delete(TABLE_AUTHTOKENS, AUTHTOKENS_ID + "=" + authTokenId, null); 1277 writeAuthTokenIntoCacheLocked(accounts, db, new Account(accountName, accountType), 1278 authTokenType, null); 1279 } 1280 } finally { 1281 cursor.close(); 1282 } 1283 } 1284 1285 private boolean saveAuthTokenToDatabase(UserAccounts accounts, Account account, String type, 1286 String authToken) { 1287 if (account == null || type == null) { 1288 return false; 1289 } 1290 cancelNotification(getSigninRequiredNotificationId(accounts, account), 1291 new UserHandle(accounts.userId)); 1292 synchronized (accounts.cacheLock) { 1293 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 1294 db.beginTransaction(); 1295 try { 1296 long accountId = getAccountIdLocked(db, account); 1297 if (accountId < 0) { 1298 return false; 1299 } 1300 db.delete(TABLE_AUTHTOKENS, 1301 AUTHTOKENS_ACCOUNTS_ID + "=" + accountId + " AND " + AUTHTOKENS_TYPE + "=?", 1302 new String[]{type}); 1303 ContentValues values = new ContentValues(); 1304 values.put(AUTHTOKENS_ACCOUNTS_ID, accountId); 1305 values.put(AUTHTOKENS_TYPE, type); 1306 values.put(AUTHTOKENS_AUTHTOKEN, authToken); 1307 if (db.insert(TABLE_AUTHTOKENS, AUTHTOKENS_AUTHTOKEN, values) >= 0) { 1308 db.setTransactionSuccessful(); 1309 writeAuthTokenIntoCacheLocked(accounts, db, account, type, authToken); 1310 return true; 1311 } 1312 return false; 1313 } finally { 1314 db.endTransaction(); 1315 } 1316 } 1317 } 1318 1319 @Override 1320 public String peekAuthToken(Account account, String authTokenType) { 1321 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1322 Log.v(TAG, "peekAuthToken: " + account 1323 + ", authTokenType " + authTokenType 1324 + ", caller's uid " + Binder.getCallingUid() 1325 + ", pid " + Binder.getCallingPid()); 1326 } 1327 if (account == null) throw new IllegalArgumentException("account is null"); 1328 if (authTokenType == null) throw new IllegalArgumentException("authTokenType is null"); 1329 checkAuthenticateAccountsPermission(account); 1330 UserAccounts accounts = getUserAccountsForCaller(); 1331 long identityToken = clearCallingIdentity(); 1332 try { 1333 return readAuthTokenInternal(accounts, account, authTokenType); 1334 } finally { 1335 restoreCallingIdentity(identityToken); 1336 } 1337 } 1338 1339 @Override 1340 public void setAuthToken(Account account, String authTokenType, String authToken) { 1341 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1342 Log.v(TAG, "setAuthToken: " + account 1343 + ", authTokenType " + authTokenType 1344 + ", caller's uid " + Binder.getCallingUid() 1345 + ", pid " + Binder.getCallingPid()); 1346 } 1347 if (account == null) throw new IllegalArgumentException("account is null"); 1348 if (authTokenType == null) throw new IllegalArgumentException("authTokenType is null"); 1349 checkAuthenticateAccountsPermission(account); 1350 UserAccounts accounts = getUserAccountsForCaller(); 1351 long identityToken = clearCallingIdentity(); 1352 try { 1353 saveAuthTokenToDatabase(accounts, account, authTokenType, authToken); 1354 } finally { 1355 restoreCallingIdentity(identityToken); 1356 } 1357 } 1358 1359 @Override 1360 public void setPassword(Account account, String password) { 1361 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1362 Log.v(TAG, "setAuthToken: " + account 1363 + ", caller's uid " + Binder.getCallingUid() 1364 + ", pid " + Binder.getCallingPid()); 1365 } 1366 if (account == null) throw new IllegalArgumentException("account is null"); 1367 checkAuthenticateAccountsPermission(account); 1368 UserAccounts accounts = getUserAccountsForCaller(); 1369 long identityToken = clearCallingIdentity(); 1370 try { 1371 setPasswordInternal(accounts, account, password); 1372 } finally { 1373 restoreCallingIdentity(identityToken); 1374 } 1375 } 1376 1377 private void setPasswordInternal(UserAccounts accounts, Account account, String password) { 1378 if (account == null) { 1379 return; 1380 } 1381 synchronized (accounts.cacheLock) { 1382 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 1383 db.beginTransaction(); 1384 try { 1385 final ContentValues values = new ContentValues(); 1386 values.put(ACCOUNTS_PASSWORD, password); 1387 final long accountId = getAccountIdLocked(db, account); 1388 if (accountId >= 0) { 1389 final String[] argsAccountId = {String.valueOf(accountId)}; 1390 db.update(TABLE_ACCOUNTS, values, ACCOUNTS_ID + "=?", argsAccountId); 1391 db.delete(TABLE_AUTHTOKENS, AUTHTOKENS_ACCOUNTS_ID + "=?", argsAccountId); 1392 accounts.authTokenCache.remove(account); 1393 db.setTransactionSuccessful(); 1394 } 1395 } finally { 1396 db.endTransaction(); 1397 } 1398 sendAccountsChangedBroadcast(accounts.userId); 1399 } 1400 } 1401 1402 private void sendAccountsChangedBroadcast(int userId) { 1403 Log.i(TAG, "the accounts changed, sending broadcast of " 1404 + ACCOUNTS_CHANGED_INTENT.getAction()); 1405 mContext.sendBroadcastAsUser(ACCOUNTS_CHANGED_INTENT, new UserHandle(userId)); 1406 } 1407 1408 @Override 1409 public void clearPassword(Account account) { 1410 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1411 Log.v(TAG, "clearPassword: " + account 1412 + ", caller's uid " + Binder.getCallingUid() 1413 + ", pid " + Binder.getCallingPid()); 1414 } 1415 if (account == null) throw new IllegalArgumentException("account is null"); 1416 checkManageAccountsPermission(); 1417 UserAccounts accounts = getUserAccountsForCaller(); 1418 long identityToken = clearCallingIdentity(); 1419 try { 1420 setPasswordInternal(accounts, account, null); 1421 } finally { 1422 restoreCallingIdentity(identityToken); 1423 } 1424 } 1425 1426 @Override 1427 public void setUserData(Account account, String key, String value) { 1428 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1429 Log.v(TAG, "setUserData: " + account 1430 + ", key " + key 1431 + ", caller's uid " + Binder.getCallingUid() 1432 + ", pid " + Binder.getCallingPid()); 1433 } 1434 if (key == null) throw new IllegalArgumentException("key is null"); 1435 if (account == null) throw new IllegalArgumentException("account is null"); 1436 checkAuthenticateAccountsPermission(account); 1437 UserAccounts accounts = getUserAccountsForCaller(); 1438 long identityToken = clearCallingIdentity(); 1439 try { 1440 setUserdataInternal(accounts, account, key, value); 1441 } finally { 1442 restoreCallingIdentity(identityToken); 1443 } 1444 } 1445 1446 private void setUserdataInternal(UserAccounts accounts, Account account, String key, 1447 String value) { 1448 if (account == null || key == null) { 1449 return; 1450 } 1451 synchronized (accounts.cacheLock) { 1452 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 1453 db.beginTransaction(); 1454 try { 1455 long accountId = getAccountIdLocked(db, account); 1456 if (accountId < 0) { 1457 return; 1458 } 1459 long extrasId = getExtrasIdLocked(db, accountId, key); 1460 if (extrasId < 0 ) { 1461 extrasId = insertExtraLocked(db, accountId, key, value); 1462 if (extrasId < 0) { 1463 return; 1464 } 1465 } else { 1466 ContentValues values = new ContentValues(); 1467 values.put(EXTRAS_VALUE, value); 1468 if (1 != db.update(TABLE_EXTRAS, values, EXTRAS_ID + "=" + extrasId, null)) { 1469 return; 1470 } 1471 1472 } 1473 writeUserDataIntoCacheLocked(accounts, db, account, key, value); 1474 db.setTransactionSuccessful(); 1475 } finally { 1476 db.endTransaction(); 1477 } 1478 } 1479 } 1480 1481 private void onResult(IAccountManagerResponse response, Bundle result) { 1482 if (result == null) { 1483 Log.e(TAG, "the result is unexpectedly null", new Exception()); 1484 } 1485 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1486 Log.v(TAG, getClass().getSimpleName() + " calling onResult() on response " 1487 + response); 1488 } 1489 try { 1490 response.onResult(result); 1491 } catch (RemoteException e) { 1492 // if the caller is dead then there is no one to care about remote 1493 // exceptions 1494 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1495 Log.v(TAG, "failure while notifying response", e); 1496 } 1497 } 1498 } 1499 1500 @Override 1501 public void getAuthTokenLabel(IAccountManagerResponse response, final String accountType, 1502 final String authTokenType) 1503 throws RemoteException { 1504 if (accountType == null) throw new IllegalArgumentException("accountType is null"); 1505 if (authTokenType == null) throw new IllegalArgumentException("authTokenType is null"); 1506 1507 final int callingUid = getCallingUid(); 1508 clearCallingIdentity(); 1509 if (callingUid != Process.SYSTEM_UID) { 1510 throw new SecurityException("can only call from system"); 1511 } 1512 UserAccounts accounts = getUserAccounts(UserHandle.getUserId(callingUid)); 1513 long identityToken = clearCallingIdentity(); 1514 try { 1515 new Session(accounts, response, accountType, false, 1516 false /* stripAuthTokenFromResult */) { 1517 @Override 1518 protected String toDebugString(long now) { 1519 return super.toDebugString(now) + ", getAuthTokenLabel" 1520 + ", " + accountType 1521 + ", authTokenType " + authTokenType; 1522 } 1523 1524 @Override 1525 public void run() throws RemoteException { 1526 mAuthenticator.getAuthTokenLabel(this, authTokenType); 1527 } 1528 1529 @Override 1530 public void onResult(Bundle result) { 1531 if (result != null) { 1532 String label = result.getString(AccountManager.KEY_AUTH_TOKEN_LABEL); 1533 Bundle bundle = new Bundle(); 1534 bundle.putString(AccountManager.KEY_AUTH_TOKEN_LABEL, label); 1535 super.onResult(bundle); 1536 return; 1537 } else { 1538 super.onResult(result); 1539 } 1540 } 1541 }.bind(); 1542 } finally { 1543 restoreCallingIdentity(identityToken); 1544 } 1545 } 1546 1547 @Override 1548 public void getAuthToken(IAccountManagerResponse response, final Account account, 1549 final String authTokenType, final boolean notifyOnAuthFailure, 1550 final boolean expectActivityLaunch, Bundle loginOptionsIn) { 1551 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1552 Log.v(TAG, "getAuthToken: " + account 1553 + ", response " + response 1554 + ", authTokenType " + authTokenType 1555 + ", notifyOnAuthFailure " + notifyOnAuthFailure 1556 + ", expectActivityLaunch " + expectActivityLaunch 1557 + ", caller's uid " + Binder.getCallingUid() 1558 + ", pid " + Binder.getCallingPid()); 1559 } 1560 if (response == null) throw new IllegalArgumentException("response is null"); 1561 try { 1562 if (account == null) { 1563 Slog.w(TAG, "getAuthToken called with null account"); 1564 response.onError(AccountManager.ERROR_CODE_BAD_ARGUMENTS, "account is null"); 1565 return; 1566 } 1567 if (authTokenType == null) { 1568 Slog.w(TAG, "getAuthToken called with null authTokenType"); 1569 response.onError(AccountManager.ERROR_CODE_BAD_ARGUMENTS, "authTokenType is null"); 1570 return; 1571 } 1572 } catch (RemoteException e) { 1573 Slog.w(TAG, "Failed to report error back to the client." + e); 1574 return; 1575 } 1576 1577 checkBinderPermission(Manifest.permission.USE_CREDENTIALS); 1578 final UserAccounts accounts = getUserAccountsForCaller(); 1579 final RegisteredServicesCache.ServiceInfo<AuthenticatorDescription> authenticatorInfo; 1580 authenticatorInfo = mAuthenticatorCache.getServiceInfo( 1581 AuthenticatorDescription.newKey(account.type), accounts.userId); 1582 final boolean customTokens = 1583 authenticatorInfo != null && authenticatorInfo.type.customTokens; 1584 1585 // skip the check if customTokens 1586 final int callerUid = Binder.getCallingUid(); 1587 final boolean permissionGranted = customTokens || 1588 permissionIsGranted(account, authTokenType, callerUid); 1589 1590 final Bundle loginOptions = (loginOptionsIn == null) ? new Bundle() : 1591 loginOptionsIn; 1592 // let authenticator know the identity of the caller 1593 loginOptions.putInt(AccountManager.KEY_CALLER_UID, callerUid); 1594 loginOptions.putInt(AccountManager.KEY_CALLER_PID, Binder.getCallingPid()); 1595 if (notifyOnAuthFailure) { 1596 loginOptions.putBoolean(AccountManager.KEY_NOTIFY_ON_FAILURE, true); 1597 } 1598 1599 long identityToken = clearCallingIdentity(); 1600 try { 1601 // if the caller has permission, do the peek. otherwise go the more expensive 1602 // route of starting a Session 1603 if (!customTokens && permissionGranted) { 1604 String authToken = readAuthTokenInternal(accounts, account, authTokenType); 1605 if (authToken != null) { 1606 Bundle result = new Bundle(); 1607 result.putString(AccountManager.KEY_AUTHTOKEN, authToken); 1608 result.putString(AccountManager.KEY_ACCOUNT_NAME, account.name); 1609 result.putString(AccountManager.KEY_ACCOUNT_TYPE, account.type); 1610 onResult(response, result); 1611 return; 1612 } 1613 } 1614 1615 new Session(accounts, response, account.type, expectActivityLaunch, 1616 false /* stripAuthTokenFromResult */) { 1617 @Override 1618 protected String toDebugString(long now) { 1619 if (loginOptions != null) loginOptions.keySet(); 1620 return super.toDebugString(now) + ", getAuthToken" 1621 + ", " + account 1622 + ", authTokenType " + authTokenType 1623 + ", loginOptions " + loginOptions 1624 + ", notifyOnAuthFailure " + notifyOnAuthFailure; 1625 } 1626 1627 @Override 1628 public void run() throws RemoteException { 1629 // If the caller doesn't have permission then create and return the 1630 // "grant permission" intent instead of the "getAuthToken" intent. 1631 if (!permissionGranted) { 1632 mAuthenticator.getAuthTokenLabel(this, authTokenType); 1633 } else { 1634 mAuthenticator.getAuthToken(this, account, authTokenType, loginOptions); 1635 } 1636 } 1637 1638 @Override 1639 public void onResult(Bundle result) { 1640 if (result != null) { 1641 if (result.containsKey(AccountManager.KEY_AUTH_TOKEN_LABEL)) { 1642 Intent intent = newGrantCredentialsPermissionIntent(account, callerUid, 1643 new AccountAuthenticatorResponse(this), 1644 authTokenType, 1645 result.getString(AccountManager.KEY_AUTH_TOKEN_LABEL)); 1646 Bundle bundle = new Bundle(); 1647 bundle.putParcelable(AccountManager.KEY_INTENT, intent); 1648 onResult(bundle); 1649 return; 1650 } 1651 String authToken = result.getString(AccountManager.KEY_AUTHTOKEN); 1652 if (authToken != null) { 1653 String name = result.getString(AccountManager.KEY_ACCOUNT_NAME); 1654 String type = result.getString(AccountManager.KEY_ACCOUNT_TYPE); 1655 if (TextUtils.isEmpty(type) || TextUtils.isEmpty(name)) { 1656 onError(AccountManager.ERROR_CODE_INVALID_RESPONSE, 1657 "the type and name should not be empty"); 1658 return; 1659 } 1660 if (!customTokens) { 1661 saveAuthTokenToDatabase(mAccounts, new Account(name, type), 1662 authTokenType, authToken); 1663 } 1664 } 1665 1666 Intent intent = result.getParcelable(AccountManager.KEY_INTENT); 1667 if (intent != null && notifyOnAuthFailure && !customTokens) { 1668 doNotification(mAccounts, 1669 account, result.getString(AccountManager.KEY_AUTH_FAILED_MESSAGE), 1670 intent, accounts.userId); 1671 } 1672 } 1673 super.onResult(result); 1674 } 1675 }.bind(); 1676 } finally { 1677 restoreCallingIdentity(identityToken); 1678 } 1679 } 1680 1681 private void createNoCredentialsPermissionNotification(Account account, Intent intent, 1682 int userId) { 1683 int uid = intent.getIntExtra( 1684 GrantCredentialsPermissionActivity.EXTRAS_REQUESTING_UID, -1); 1685 String authTokenType = intent.getStringExtra( 1686 GrantCredentialsPermissionActivity.EXTRAS_AUTH_TOKEN_TYPE); 1687 String authTokenLabel = intent.getStringExtra( 1688 GrantCredentialsPermissionActivity.EXTRAS_AUTH_TOKEN_LABEL); 1689 1690 Notification n = new Notification(android.R.drawable.stat_sys_warning, null, 1691 0 /* when */); 1692 final String titleAndSubtitle = 1693 mContext.getString(R.string.permission_request_notification_with_subtitle, 1694 account.name); 1695 final int index = titleAndSubtitle.indexOf('\n'); 1696 String title = titleAndSubtitle; 1697 String subtitle = ""; 1698 if (index > 0) { 1699 title = titleAndSubtitle.substring(0, index); 1700 subtitle = titleAndSubtitle.substring(index + 1); 1701 } 1702 UserHandle user = new UserHandle(userId); 1703 n.setLatestEventInfo(mContext, title, subtitle, 1704 PendingIntent.getActivityAsUser(mContext, 0, intent, 1705 PendingIntent.FLAG_CANCEL_CURRENT, null, user)); 1706 installNotification(getCredentialPermissionNotificationId( 1707 account, authTokenType, uid), n, user); 1708 } 1709 1710 private Intent newGrantCredentialsPermissionIntent(Account account, int uid, 1711 AccountAuthenticatorResponse response, String authTokenType, String authTokenLabel) { 1712 1713 Intent intent = new Intent(mContext, GrantCredentialsPermissionActivity.class); 1714 // See FLAG_ACTIVITY_NEW_TASK docs for limitations and benefits of the flag. 1715 // Since it was set in Eclair+ we can't change it without breaking apps using 1716 // the intent from a non-Activity context. 1717 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1718 intent.addCategory( 1719 String.valueOf(getCredentialPermissionNotificationId(account, authTokenType, uid))); 1720 1721 intent.putExtra(GrantCredentialsPermissionActivity.EXTRAS_ACCOUNT, account); 1722 intent.putExtra(GrantCredentialsPermissionActivity.EXTRAS_AUTH_TOKEN_TYPE, authTokenType); 1723 intent.putExtra(GrantCredentialsPermissionActivity.EXTRAS_RESPONSE, response); 1724 intent.putExtra(GrantCredentialsPermissionActivity.EXTRAS_REQUESTING_UID, uid); 1725 1726 return intent; 1727 } 1728 1729 private Integer getCredentialPermissionNotificationId(Account account, String authTokenType, 1730 int uid) { 1731 Integer id; 1732 UserAccounts accounts = getUserAccounts(UserHandle.getUserId(uid)); 1733 synchronized (accounts.credentialsPermissionNotificationIds) { 1734 final Pair<Pair<Account, String>, Integer> key = 1735 new Pair<Pair<Account, String>, Integer>( 1736 new Pair<Account, String>(account, authTokenType), uid); 1737 id = accounts.credentialsPermissionNotificationIds.get(key); 1738 if (id == null) { 1739 id = mNotificationIds.incrementAndGet(); 1740 accounts.credentialsPermissionNotificationIds.put(key, id); 1741 } 1742 } 1743 return id; 1744 } 1745 1746 private Integer getSigninRequiredNotificationId(UserAccounts accounts, Account account) { 1747 Integer id; 1748 synchronized (accounts.signinRequiredNotificationIds) { 1749 id = accounts.signinRequiredNotificationIds.get(account); 1750 if (id == null) { 1751 id = mNotificationIds.incrementAndGet(); 1752 accounts.signinRequiredNotificationIds.put(account, id); 1753 } 1754 } 1755 return id; 1756 } 1757 1758 @Override 1759 public void addAccount(final IAccountManagerResponse response, final String accountType, 1760 final String authTokenType, final String[] requiredFeatures, 1761 final boolean expectActivityLaunch, final Bundle optionsIn) { 1762 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1763 Log.v(TAG, "addAccount: accountType " + accountType 1764 + ", response " + response 1765 + ", authTokenType " + authTokenType 1766 + ", requiredFeatures " + stringArrayToString(requiredFeatures) 1767 + ", expectActivityLaunch " + expectActivityLaunch 1768 + ", caller's uid " + Binder.getCallingUid() 1769 + ", pid " + Binder.getCallingPid()); 1770 } 1771 if (response == null) throw new IllegalArgumentException("response is null"); 1772 if (accountType == null) throw new IllegalArgumentException("accountType is null"); 1773 checkManageAccountsPermission(); 1774 1775 // Is user disallowed from modifying accounts? 1776 int userId = Binder.getCallingUserHandle().getIdentifier(); 1777 if (!canUserModifyAccounts(userId)) { 1778 try { 1779 response.onError(AccountManager.ERROR_CODE_USER_RESTRICTED, 1780 "User is not allowed to add an account!"); 1781 } catch (RemoteException re) { 1782 } 1783 showCantAddAccount(AccountManager.ERROR_CODE_USER_RESTRICTED); 1784 return; 1785 } 1786 if (!canUserModifyAccountsForType(userId, accountType)) { 1787 try { 1788 response.onError(AccountManager.ERROR_CODE_MANAGEMENT_DISABLED_FOR_ACCOUNT_TYPE, 1789 "User cannot modify accounts of this type (policy)."); 1790 } catch (RemoteException re) { 1791 } 1792 showCantAddAccount(AccountManager.ERROR_CODE_MANAGEMENT_DISABLED_FOR_ACCOUNT_TYPE); 1793 return; 1794 } 1795 1796 UserAccounts accounts = getUserAccountsForCaller(); 1797 final int pid = Binder.getCallingPid(); 1798 final int uid = Binder.getCallingUid(); 1799 final Bundle options = (optionsIn == null) ? new Bundle() : optionsIn; 1800 options.putInt(AccountManager.KEY_CALLER_UID, uid); 1801 options.putInt(AccountManager.KEY_CALLER_PID, pid); 1802 1803 long identityToken = clearCallingIdentity(); 1804 try { 1805 new Session(accounts, response, accountType, expectActivityLaunch, 1806 true /* stripAuthTokenFromResult */) { 1807 @Override 1808 public void run() throws RemoteException { 1809 mAuthenticator.addAccount(this, mAccountType, authTokenType, requiredFeatures, 1810 options); 1811 } 1812 1813 @Override 1814 protected String toDebugString(long now) { 1815 return super.toDebugString(now) + ", addAccount" 1816 + ", accountType " + accountType 1817 + ", requiredFeatures " 1818 + (requiredFeatures != null 1819 ? TextUtils.join(",", requiredFeatures) 1820 : null); 1821 } 1822 }.bind(); 1823 } finally { 1824 restoreCallingIdentity(identityToken); 1825 } 1826 } 1827 1828 @Override 1829 public void addAccountAsUser(final IAccountManagerResponse response, final String accountType, 1830 final String authTokenType, final String[] requiredFeatures, 1831 final boolean expectActivityLaunch, final Bundle optionsIn, int userId) { 1832 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1833 Log.v(TAG, "addAccount: accountType " + accountType 1834 + ", response " + response 1835 + ", authTokenType " + authTokenType 1836 + ", requiredFeatures " + stringArrayToString(requiredFeatures) 1837 + ", expectActivityLaunch " + expectActivityLaunch 1838 + ", caller's uid " + Binder.getCallingUid() 1839 + ", pid " + Binder.getCallingPid() 1840 + ", for user id " + userId); 1841 } 1842 if (response == null) throw new IllegalArgumentException("response is null"); 1843 if (accountType == null) throw new IllegalArgumentException("accountType is null"); 1844 checkManageAccountsPermission(); 1845 1846 // Only allow the system process to add accounts of other users 1847 enforceCrossUserPermission(userId, "User " + UserHandle.getCallingUserId() 1848 + " trying to add account for " + userId); 1849 1850 // Is user disallowed from modifying accounts? 1851 if (!canUserModifyAccounts(userId)) { 1852 try { 1853 response.onError(AccountManager.ERROR_CODE_USER_RESTRICTED, 1854 "User is not allowed to add an account!"); 1855 } catch (RemoteException re) { 1856 } 1857 showCantAddAccount(AccountManager.ERROR_CODE_USER_RESTRICTED); 1858 return; 1859 } 1860 if (!canUserModifyAccountsForType(userId, accountType)) { 1861 try { 1862 response.onError(AccountManager.ERROR_CODE_MANAGEMENT_DISABLED_FOR_ACCOUNT_TYPE, 1863 "User cannot modify accounts of this type (policy)."); 1864 } catch (RemoteException re) { 1865 } 1866 showCantAddAccount(AccountManager.ERROR_CODE_MANAGEMENT_DISABLED_FOR_ACCOUNT_TYPE); 1867 return; 1868 } 1869 1870 UserAccounts accounts = getUserAccounts(userId); 1871 final int pid = Binder.getCallingPid(); 1872 final int uid = Binder.getCallingUid(); 1873 final Bundle options = (optionsIn == null) ? new Bundle() : optionsIn; 1874 options.putInt(AccountManager.KEY_CALLER_UID, uid); 1875 options.putInt(AccountManager.KEY_CALLER_PID, pid); 1876 1877 long identityToken = clearCallingIdentity(); 1878 try { 1879 new Session(accounts, response, accountType, expectActivityLaunch, 1880 true /* stripAuthTokenFromResult */) { 1881 @Override 1882 public void run() throws RemoteException { 1883 mAuthenticator.addAccount(this, mAccountType, authTokenType, requiredFeatures, 1884 options); 1885 } 1886 1887 @Override 1888 protected String toDebugString(long now) { 1889 return super.toDebugString(now) + ", addAccount" 1890 + ", accountType " + accountType 1891 + ", requiredFeatures " 1892 + (requiredFeatures != null 1893 ? TextUtils.join(",", requiredFeatures) 1894 : null); 1895 } 1896 }.bind(); 1897 } finally { 1898 restoreCallingIdentity(identityToken); 1899 } 1900 } 1901 1902 private void showCantAddAccount(int errorCode) { 1903 Intent cantAddAccount = new Intent(mContext, CantAddAccountActivity.class); 1904 cantAddAccount.putExtra(CantAddAccountActivity.EXTRA_ERROR_CODE, errorCode); 1905 cantAddAccount.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 1906 long identityToken = clearCallingIdentity(); 1907 try { 1908 mContext.startActivity(cantAddAccount); 1909 } finally { 1910 restoreCallingIdentity(identityToken); 1911 } 1912 } 1913 1914 @Override 1915 public void confirmCredentialsAsUser(IAccountManagerResponse response, 1916 final Account account, final Bundle options, final boolean expectActivityLaunch, 1917 int userId) { 1918 // Only allow the system process to read accounts of other users 1919 enforceCrossUserPermission(userId, "User " + UserHandle.getCallingUserId() 1920 + " trying to confirm account credentials for " + userId); 1921 1922 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1923 Log.v(TAG, "confirmCredentials: " + account 1924 + ", response " + response 1925 + ", expectActivityLaunch " + expectActivityLaunch 1926 + ", caller's uid " + Binder.getCallingUid() 1927 + ", pid " + Binder.getCallingPid()); 1928 } 1929 if (response == null) throw new IllegalArgumentException("response is null"); 1930 if (account == null) throw new IllegalArgumentException("account is null"); 1931 checkManageAccountsPermission(); 1932 UserAccounts accounts = getUserAccounts(userId); 1933 long identityToken = clearCallingIdentity(); 1934 try { 1935 new Session(accounts, response, account.type, expectActivityLaunch, 1936 true /* stripAuthTokenFromResult */) { 1937 @Override 1938 public void run() throws RemoteException { 1939 mAuthenticator.confirmCredentials(this, account, options); 1940 } 1941 @Override 1942 protected String toDebugString(long now) { 1943 return super.toDebugString(now) + ", confirmCredentials" 1944 + ", " + account; 1945 } 1946 }.bind(); 1947 } finally { 1948 restoreCallingIdentity(identityToken); 1949 } 1950 } 1951 1952 @Override 1953 public void updateCredentials(IAccountManagerResponse response, final Account account, 1954 final String authTokenType, final boolean expectActivityLaunch, 1955 final Bundle loginOptions) { 1956 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1957 Log.v(TAG, "updateCredentials: " + account 1958 + ", response " + response 1959 + ", authTokenType " + authTokenType 1960 + ", expectActivityLaunch " + expectActivityLaunch 1961 + ", caller's uid " + Binder.getCallingUid() 1962 + ", pid " + Binder.getCallingPid()); 1963 } 1964 if (response == null) throw new IllegalArgumentException("response is null"); 1965 if (account == null) throw new IllegalArgumentException("account is null"); 1966 if (authTokenType == null) throw new IllegalArgumentException("authTokenType is null"); 1967 checkManageAccountsPermission(); 1968 UserAccounts accounts = getUserAccountsForCaller(); 1969 long identityToken = clearCallingIdentity(); 1970 try { 1971 new Session(accounts, response, account.type, expectActivityLaunch, 1972 true /* stripAuthTokenFromResult */) { 1973 @Override 1974 public void run() throws RemoteException { 1975 mAuthenticator.updateCredentials(this, account, authTokenType, loginOptions); 1976 } 1977 @Override 1978 protected String toDebugString(long now) { 1979 if (loginOptions != null) loginOptions.keySet(); 1980 return super.toDebugString(now) + ", updateCredentials" 1981 + ", " + account 1982 + ", authTokenType " + authTokenType 1983 + ", loginOptions " + loginOptions; 1984 } 1985 }.bind(); 1986 } finally { 1987 restoreCallingIdentity(identityToken); 1988 } 1989 } 1990 1991 @Override 1992 public void editProperties(IAccountManagerResponse response, final String accountType, 1993 final boolean expectActivityLaunch) { 1994 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1995 Log.v(TAG, "editProperties: accountType " + accountType 1996 + ", response " + response 1997 + ", expectActivityLaunch " + expectActivityLaunch 1998 + ", caller's uid " + Binder.getCallingUid() 1999 + ", pid " + Binder.getCallingPid()); 2000 } 2001 if (response == null) throw new IllegalArgumentException("response is null"); 2002 if (accountType == null) throw new IllegalArgumentException("accountType is null"); 2003 checkManageAccountsPermission(); 2004 UserAccounts accounts = getUserAccountsForCaller(); 2005 long identityToken = clearCallingIdentity(); 2006 try { 2007 new Session(accounts, response, accountType, expectActivityLaunch, 2008 true /* stripAuthTokenFromResult */) { 2009 @Override 2010 public void run() throws RemoteException { 2011 mAuthenticator.editProperties(this, mAccountType); 2012 } 2013 @Override 2014 protected String toDebugString(long now) { 2015 return super.toDebugString(now) + ", editProperties" 2016 + ", accountType " + accountType; 2017 } 2018 }.bind(); 2019 } finally { 2020 restoreCallingIdentity(identityToken); 2021 } 2022 } 2023 2024 private class GetAccountsByTypeAndFeatureSession extends Session { 2025 private final String[] mFeatures; 2026 private volatile Account[] mAccountsOfType = null; 2027 private volatile ArrayList<Account> mAccountsWithFeatures = null; 2028 private volatile int mCurrentAccount = 0; 2029 private final int mCallingUid; 2030 2031 public GetAccountsByTypeAndFeatureSession(UserAccounts accounts, 2032 IAccountManagerResponse response, String type, String[] features, int callingUid) { 2033 super(accounts, response, type, false /* expectActivityLaunch */, 2034 true /* stripAuthTokenFromResult */); 2035 mCallingUid = callingUid; 2036 mFeatures = features; 2037 } 2038 2039 @Override 2040 public void run() throws RemoteException { 2041 synchronized (mAccounts.cacheLock) { 2042 mAccountsOfType = getAccountsFromCacheLocked(mAccounts, mAccountType, mCallingUid, 2043 null); 2044 } 2045 // check whether each account matches the requested features 2046 mAccountsWithFeatures = new ArrayList<Account>(mAccountsOfType.length); 2047 mCurrentAccount = 0; 2048 2049 checkAccount(); 2050 } 2051 2052 public void checkAccount() { 2053 if (mCurrentAccount >= mAccountsOfType.length) { 2054 sendResult(); 2055 return; 2056 } 2057 2058 final IAccountAuthenticator accountAuthenticator = mAuthenticator; 2059 if (accountAuthenticator == null) { 2060 // It is possible that the authenticator has died, which is indicated by 2061 // mAuthenticator being set to null. If this happens then just abort. 2062 // There is no need to send back a result or error in this case since 2063 // that already happened when mAuthenticator was cleared. 2064 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2065 Log.v(TAG, "checkAccount: aborting session since we are no longer" 2066 + " connected to the authenticator, " + toDebugString()); 2067 } 2068 return; 2069 } 2070 try { 2071 accountAuthenticator.hasFeatures(this, mAccountsOfType[mCurrentAccount], mFeatures); 2072 } catch (RemoteException e) { 2073 onError(AccountManager.ERROR_CODE_REMOTE_EXCEPTION, "remote exception"); 2074 } 2075 } 2076 2077 @Override 2078 public void onResult(Bundle result) { 2079 mNumResults++; 2080 if (result == null) { 2081 onError(AccountManager.ERROR_CODE_INVALID_RESPONSE, "null bundle"); 2082 return; 2083 } 2084 if (result.getBoolean(AccountManager.KEY_BOOLEAN_RESULT, false)) { 2085 mAccountsWithFeatures.add(mAccountsOfType[mCurrentAccount]); 2086 } 2087 mCurrentAccount++; 2088 checkAccount(); 2089 } 2090 2091 public void sendResult() { 2092 IAccountManagerResponse response = getResponseAndClose(); 2093 if (response != null) { 2094 try { 2095 Account[] accounts = new Account[mAccountsWithFeatures.size()]; 2096 for (int i = 0; i < accounts.length; i++) { 2097 accounts[i] = mAccountsWithFeatures.get(i); 2098 } 2099 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2100 Log.v(TAG, getClass().getSimpleName() + " calling onResult() on response " 2101 + response); 2102 } 2103 Bundle result = new Bundle(); 2104 result.putParcelableArray(AccountManager.KEY_ACCOUNTS, accounts); 2105 response.onResult(result); 2106 } catch (RemoteException e) { 2107 // if the caller is dead then there is no one to care about remote exceptions 2108 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2109 Log.v(TAG, "failure while notifying response", e); 2110 } 2111 } 2112 } 2113 } 2114 2115 2116 @Override 2117 protected String toDebugString(long now) { 2118 return super.toDebugString(now) + ", getAccountsByTypeAndFeatures" 2119 + ", " + (mFeatures != null ? TextUtils.join(",", mFeatures) : null); 2120 } 2121 } 2122 2123 /** 2124 * Returns the accounts for a specific user 2125 * @hide 2126 */ 2127 public Account[] getAccounts(int userId) { 2128 checkReadAccountsPermission(); 2129 UserAccounts accounts = getUserAccounts(userId); 2130 int callingUid = Binder.getCallingUid(); 2131 long identityToken = clearCallingIdentity(); 2132 try { 2133 synchronized (accounts.cacheLock) { 2134 return getAccountsFromCacheLocked(accounts, null, callingUid, null); 2135 } 2136 } finally { 2137 restoreCallingIdentity(identityToken); 2138 } 2139 } 2140 2141 /** 2142 * Returns accounts for all running users. 2143 * 2144 * @hide 2145 */ 2146 public AccountAndUser[] getRunningAccounts() { 2147 final int[] runningUserIds; 2148 try { 2149 runningUserIds = ActivityManagerNative.getDefault().getRunningUserIds(); 2150 } catch (RemoteException e) { 2151 // Running in system_server; should never happen 2152 throw new RuntimeException(e); 2153 } 2154 return getAccounts(runningUserIds); 2155 } 2156 2157 /** {@hide} */ 2158 public AccountAndUser[] getAllAccounts() { 2159 final List<UserInfo> users = getUserManager().getUsers(); 2160 final int[] userIds = new int[users.size()]; 2161 for (int i = 0; i < userIds.length; i++) { 2162 userIds[i] = users.get(i).id; 2163 } 2164 return getAccounts(userIds); 2165 } 2166 2167 private AccountAndUser[] getAccounts(int[] userIds) { 2168 final ArrayList<AccountAndUser> runningAccounts = Lists.newArrayList(); 2169 for (int userId : userIds) { 2170 UserAccounts userAccounts = getUserAccounts(userId); 2171 if (userAccounts == null) continue; 2172 synchronized (userAccounts.cacheLock) { 2173 Account[] accounts = getAccountsFromCacheLocked(userAccounts, null, 2174 Binder.getCallingUid(), null); 2175 for (int a = 0; a < accounts.length; a++) { 2176 runningAccounts.add(new AccountAndUser(accounts[a], userId)); 2177 } 2178 } 2179 } 2180 2181 AccountAndUser[] accountsArray = new AccountAndUser[runningAccounts.size()]; 2182 return runningAccounts.toArray(accountsArray); 2183 } 2184 2185 @Override 2186 public Account[] getAccountsAsUser(String type, int userId) { 2187 return getAccountsAsUser(type, userId, null, -1); 2188 } 2189 2190 private Account[] getAccountsAsUser(String type, int userId, String callingPackage, 2191 int packageUid) { 2192 int callingUid = Binder.getCallingUid(); 2193 // Only allow the system process to read accounts of other users 2194 if (userId != UserHandle.getCallingUserId() 2195 && callingUid != Process.myUid() 2196 && mContext.checkCallingOrSelfPermission( 2197 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) 2198 != PackageManager.PERMISSION_GRANTED) { 2199 throw new SecurityException("User " + UserHandle.getCallingUserId() 2200 + " trying to get account for " + userId); 2201 } 2202 2203 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2204 Log.v(TAG, "getAccounts: accountType " + type 2205 + ", caller's uid " + Binder.getCallingUid() 2206 + ", pid " + Binder.getCallingPid()); 2207 } 2208 // If the original calling app was using the framework account chooser activity, we'll 2209 // be passed in the original caller's uid here, which is what should be used for filtering. 2210 if (packageUid != -1 && UserHandle.isSameApp(callingUid, Process.myUid())) { 2211 callingUid = packageUid; 2212 } 2213 checkReadAccountsPermission(); 2214 UserAccounts accounts = getUserAccounts(userId); 2215 long identityToken = clearCallingIdentity(); 2216 try { 2217 synchronized (accounts.cacheLock) { 2218 return getAccountsFromCacheLocked(accounts, type, callingUid, callingPackage); 2219 } 2220 } finally { 2221 restoreCallingIdentity(identityToken); 2222 } 2223 } 2224 2225 @Override 2226 public boolean addSharedAccountAsUser(Account account, int userId) { 2227 userId = handleIncomingUser(userId); 2228 SQLiteDatabase db = getUserAccounts(userId).openHelper.getWritableDatabase(); 2229 ContentValues values = new ContentValues(); 2230 values.put(ACCOUNTS_NAME, account.name); 2231 values.put(ACCOUNTS_TYPE, account.type); 2232 db.delete(TABLE_SHARED_ACCOUNTS, ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?", 2233 new String[] {account.name, account.type}); 2234 long accountId = db.insert(TABLE_SHARED_ACCOUNTS, ACCOUNTS_NAME, values); 2235 if (accountId < 0) { 2236 Log.w(TAG, "insertAccountIntoDatabase: " + account 2237 + ", skipping the DB insert failed"); 2238 return false; 2239 } 2240 return true; 2241 } 2242 2243 @Override 2244 public boolean renameSharedAccountAsUser(Account account, String newName, int userId) { 2245 userId = handleIncomingUser(userId); 2246 UserAccounts accounts = getUserAccounts(userId); 2247 SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 2248 final ContentValues values = new ContentValues(); 2249 values.put(ACCOUNTS_NAME, newName); 2250 values.put(ACCOUNTS_PREVIOUS_NAME, account.name); 2251 int r = db.update( 2252 TABLE_SHARED_ACCOUNTS, 2253 values, 2254 ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?", 2255 new String[] { account.name, account.type }); 2256 if (r > 0) { 2257 // Recursively rename the account. 2258 renameAccountInternal(accounts, account, newName); 2259 } 2260 return r > 0; 2261 } 2262 2263 @Override 2264 public boolean removeSharedAccountAsUser(Account account, int userId) { 2265 userId = handleIncomingUser(userId); 2266 UserAccounts accounts = getUserAccounts(userId); 2267 SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 2268 int r = db.delete(TABLE_SHARED_ACCOUNTS, ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?", 2269 new String[] {account.name, account.type}); 2270 if (r > 0) { 2271 removeAccountInternal(accounts, account); 2272 } 2273 return r > 0; 2274 } 2275 2276 @Override 2277 public Account[] getSharedAccountsAsUser(int userId) { 2278 userId = handleIncomingUser(userId); 2279 UserAccounts accounts = getUserAccounts(userId); 2280 ArrayList<Account> accountList = new ArrayList<Account>(); 2281 Cursor cursor = null; 2282 try { 2283 cursor = accounts.openHelper.getReadableDatabase() 2284 .query(TABLE_SHARED_ACCOUNTS, new String[]{ACCOUNTS_NAME, ACCOUNTS_TYPE}, 2285 null, null, null, null, null); 2286 if (cursor != null && cursor.moveToFirst()) { 2287 int nameIndex = cursor.getColumnIndex(ACCOUNTS_NAME); 2288 int typeIndex = cursor.getColumnIndex(ACCOUNTS_TYPE); 2289 do { 2290 accountList.add(new Account(cursor.getString(nameIndex), 2291 cursor.getString(typeIndex))); 2292 } while (cursor.moveToNext()); 2293 } 2294 } finally { 2295 if (cursor != null) { 2296 cursor.close(); 2297 } 2298 } 2299 Account[] accountArray = new Account[accountList.size()]; 2300 accountList.toArray(accountArray); 2301 return accountArray; 2302 } 2303 2304 @Override 2305 public Account[] getAccounts(String type) { 2306 return getAccountsAsUser(type, UserHandle.getCallingUserId()); 2307 } 2308 2309 @Override 2310 public Account[] getAccountsForPackage(String packageName, int uid) { 2311 int callingUid = Binder.getCallingUid(); 2312 if (!UserHandle.isSameApp(callingUid, Process.myUid())) { 2313 throw new SecurityException("getAccountsForPackage() called from unauthorized uid " 2314 + callingUid + " with uid=" + uid); 2315 } 2316 return getAccountsAsUser(null, UserHandle.getCallingUserId(), packageName, uid); 2317 } 2318 2319 @Override 2320 public Account[] getAccountsByTypeForPackage(String type, String packageName) { 2321 checkBinderPermission(android.Manifest.permission.INTERACT_ACROSS_USERS); 2322 int packageUid = -1; 2323 try { 2324 packageUid = AppGlobals.getPackageManager().getPackageUid( 2325 packageName, UserHandle.getCallingUserId()); 2326 } catch (RemoteException re) { 2327 Slog.e(TAG, "Couldn't determine the packageUid for " + packageName + re); 2328 return new Account[0]; 2329 } 2330 return getAccountsAsUser(type, UserHandle.getCallingUserId(), packageName, packageUid); 2331 } 2332 2333 @Override 2334 public void getAccountsByFeatures(IAccountManagerResponse response, 2335 String type, String[] features) { 2336 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2337 Log.v(TAG, "getAccounts: accountType " + type 2338 + ", response " + response 2339 + ", features " + stringArrayToString(features) 2340 + ", caller's uid " + Binder.getCallingUid() 2341 + ", pid " + Binder.getCallingPid()); 2342 } 2343 if (response == null) throw new IllegalArgumentException("response is null"); 2344 if (type == null) throw new IllegalArgumentException("accountType is null"); 2345 checkReadAccountsPermission(); 2346 UserAccounts userAccounts = getUserAccountsForCaller(); 2347 int callingUid = Binder.getCallingUid(); 2348 long identityToken = clearCallingIdentity(); 2349 try { 2350 if (features == null || features.length == 0) { 2351 Account[] accounts; 2352 synchronized (userAccounts.cacheLock) { 2353 accounts = getAccountsFromCacheLocked(userAccounts, type, callingUid, null); 2354 } 2355 Bundle result = new Bundle(); 2356 result.putParcelableArray(AccountManager.KEY_ACCOUNTS, accounts); 2357 onResult(response, result); 2358 return; 2359 } 2360 new GetAccountsByTypeAndFeatureSession(userAccounts, response, type, features, 2361 callingUid).bind(); 2362 } finally { 2363 restoreCallingIdentity(identityToken); 2364 } 2365 } 2366 2367 private long getAccountIdLocked(SQLiteDatabase db, Account account) { 2368 Cursor cursor = db.query(TABLE_ACCOUNTS, new String[]{ACCOUNTS_ID}, 2369 "name=? AND type=?", new String[]{account.name, account.type}, null, null, null); 2370 try { 2371 if (cursor.moveToNext()) { 2372 return cursor.getLong(0); 2373 } 2374 return -1; 2375 } finally { 2376 cursor.close(); 2377 } 2378 } 2379 2380 private long getExtrasIdLocked(SQLiteDatabase db, long accountId, String key) { 2381 Cursor cursor = db.query(TABLE_EXTRAS, new String[]{EXTRAS_ID}, 2382 EXTRAS_ACCOUNTS_ID + "=" + accountId + " AND " + EXTRAS_KEY + "=?", 2383 new String[]{key}, null, null, null); 2384 try { 2385 if (cursor.moveToNext()) { 2386 return cursor.getLong(0); 2387 } 2388 return -1; 2389 } finally { 2390 cursor.close(); 2391 } 2392 } 2393 2394 private abstract class Session extends IAccountAuthenticatorResponse.Stub 2395 implements IBinder.DeathRecipient, ServiceConnection { 2396 IAccountManagerResponse mResponse; 2397 final String mAccountType; 2398 final boolean mExpectActivityLaunch; 2399 final long mCreationTime; 2400 2401 public int mNumResults = 0; 2402 private int mNumRequestContinued = 0; 2403 private int mNumErrors = 0; 2404 2405 IAccountAuthenticator mAuthenticator = null; 2406 2407 private final boolean mStripAuthTokenFromResult; 2408 protected final UserAccounts mAccounts; 2409 2410 public Session(UserAccounts accounts, IAccountManagerResponse response, String accountType, 2411 boolean expectActivityLaunch, boolean stripAuthTokenFromResult) { 2412 super(); 2413 //if (response == null) throw new IllegalArgumentException("response is null"); 2414 if (accountType == null) throw new IllegalArgumentException("accountType is null"); 2415 mAccounts = accounts; 2416 mStripAuthTokenFromResult = stripAuthTokenFromResult; 2417 mResponse = response; 2418 mAccountType = accountType; 2419 mExpectActivityLaunch = expectActivityLaunch; 2420 mCreationTime = SystemClock.elapsedRealtime(); 2421 synchronized (mSessions) { 2422 mSessions.put(toString(), this); 2423 } 2424 if (response != null) { 2425 try { 2426 response.asBinder().linkToDeath(this, 0 /* flags */); 2427 } catch (RemoteException e) { 2428 mResponse = null; 2429 binderDied(); 2430 } 2431 } 2432 } 2433 2434 IAccountManagerResponse getResponseAndClose() { 2435 if (mResponse == null) { 2436 // this session has already been closed 2437 return null; 2438 } 2439 IAccountManagerResponse response = mResponse; 2440 close(); // this clears mResponse so we need to save the response before this call 2441 return response; 2442 } 2443 2444 private void close() { 2445 synchronized (mSessions) { 2446 if (mSessions.remove(toString()) == null) { 2447 // the session was already closed, so bail out now 2448 return; 2449 } 2450 } 2451 if (mResponse != null) { 2452 // stop listening for response deaths 2453 mResponse.asBinder().unlinkToDeath(this, 0 /* flags */); 2454 2455 // clear this so that we don't accidentally send any further results 2456 mResponse = null; 2457 } 2458 cancelTimeout(); 2459 unbind(); 2460 } 2461 2462 @Override 2463 public void binderDied() { 2464 mResponse = null; 2465 close(); 2466 } 2467 2468 protected String toDebugString() { 2469 return toDebugString(SystemClock.elapsedRealtime()); 2470 } 2471 2472 protected String toDebugString(long now) { 2473 return "Session: expectLaunch " + mExpectActivityLaunch 2474 + ", connected " + (mAuthenticator != null) 2475 + ", stats (" + mNumResults + "/" + mNumRequestContinued 2476 + "/" + mNumErrors + ")" 2477 + ", lifetime " + ((now - mCreationTime) / 1000.0); 2478 } 2479 2480 void bind() { 2481 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2482 Log.v(TAG, "initiating bind to authenticator type " + mAccountType); 2483 } 2484 if (!bindToAuthenticator(mAccountType)) { 2485 Log.d(TAG, "bind attempt failed for " + toDebugString()); 2486 onError(AccountManager.ERROR_CODE_REMOTE_EXCEPTION, "bind failure"); 2487 } 2488 } 2489 2490 private void unbind() { 2491 if (mAuthenticator != null) { 2492 mAuthenticator = null; 2493 mContext.unbindService(this); 2494 } 2495 } 2496 2497 public void scheduleTimeout() { 2498 mMessageHandler.sendMessageDelayed( 2499 mMessageHandler.obtainMessage(MESSAGE_TIMED_OUT, this), TIMEOUT_DELAY_MS); 2500 } 2501 2502 public void cancelTimeout() { 2503 mMessageHandler.removeMessages(MESSAGE_TIMED_OUT, this); 2504 } 2505 2506 @Override 2507 public void onServiceConnected(ComponentName name, IBinder service) { 2508 mAuthenticator = IAccountAuthenticator.Stub.asInterface(service); 2509 try { 2510 run(); 2511 } catch (RemoteException e) { 2512 onError(AccountManager.ERROR_CODE_REMOTE_EXCEPTION, 2513 "remote exception"); 2514 } 2515 } 2516 2517 @Override 2518 public void onServiceDisconnected(ComponentName name) { 2519 mAuthenticator = null; 2520 IAccountManagerResponse response = getResponseAndClose(); 2521 if (response != null) { 2522 try { 2523 response.onError(AccountManager.ERROR_CODE_REMOTE_EXCEPTION, 2524 "disconnected"); 2525 } catch (RemoteException e) { 2526 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2527 Log.v(TAG, "Session.onServiceDisconnected: " 2528 + "caught RemoteException while responding", e); 2529 } 2530 } 2531 } 2532 } 2533 2534 public abstract void run() throws RemoteException; 2535 2536 public void onTimedOut() { 2537 IAccountManagerResponse response = getResponseAndClose(); 2538 if (response != null) { 2539 try { 2540 response.onError(AccountManager.ERROR_CODE_REMOTE_EXCEPTION, 2541 "timeout"); 2542 } catch (RemoteException e) { 2543 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2544 Log.v(TAG, "Session.onTimedOut: caught RemoteException while responding", 2545 e); 2546 } 2547 } 2548 } 2549 } 2550 2551 @Override 2552 public void onResult(Bundle result) { 2553 mNumResults++; 2554 Intent intent = null; 2555 if (result != null 2556 && (intent = result.getParcelable(AccountManager.KEY_INTENT)) != null) { 2557 /* 2558 * The Authenticator API allows third party authenticators to 2559 * supply arbitrary intents to other apps that they can run, 2560 * this can be very bad when those apps are in the system like 2561 * the System Settings. 2562 */ 2563 int authenticatorUid = Binder.getCallingUid(); 2564 long bid = Binder.clearCallingIdentity(); 2565 try { 2566 PackageManager pm = mContext.getPackageManager(); 2567 ResolveInfo resolveInfo = pm.resolveActivityAsUser(intent, 0, mAccounts.userId); 2568 int targetUid = resolveInfo.activityInfo.applicationInfo.uid; 2569 if (PackageManager.SIGNATURE_MATCH != 2570 pm.checkSignatures(authenticatorUid, targetUid)) { 2571 throw new SecurityException( 2572 "Activity to be started with KEY_INTENT must " + 2573 "share Authenticator's signatures"); 2574 } 2575 } finally { 2576 Binder.restoreCallingIdentity(bid); 2577 } 2578 } 2579 if (result != null 2580 && !TextUtils.isEmpty(result.getString(AccountManager.KEY_AUTHTOKEN))) { 2581 String accountName = result.getString(AccountManager.KEY_ACCOUNT_NAME); 2582 String accountType = result.getString(AccountManager.KEY_ACCOUNT_TYPE); 2583 if (!TextUtils.isEmpty(accountName) && !TextUtils.isEmpty(accountType)) { 2584 Account account = new Account(accountName, accountType); 2585 cancelNotification(getSigninRequiredNotificationId(mAccounts, account), 2586 new UserHandle(mAccounts.userId)); 2587 } 2588 } 2589 IAccountManagerResponse response; 2590 if (mExpectActivityLaunch && result != null 2591 && result.containsKey(AccountManager.KEY_INTENT)) { 2592 response = mResponse; 2593 } else { 2594 response = getResponseAndClose(); 2595 } 2596 if (response != null) { 2597 try { 2598 if (result == null) { 2599 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2600 Log.v(TAG, getClass().getSimpleName() 2601 + " calling onError() on response " + response); 2602 } 2603 response.onError(AccountManager.ERROR_CODE_INVALID_RESPONSE, 2604 "null bundle returned"); 2605 } else { 2606 if (mStripAuthTokenFromResult) { 2607 result.remove(AccountManager.KEY_AUTHTOKEN); 2608 } 2609 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2610 Log.v(TAG, getClass().getSimpleName() 2611 + " calling onResult() on response " + response); 2612 } 2613 if ((result.getInt(AccountManager.KEY_ERROR_CODE, -1) > 0) && 2614 (intent == null)) { 2615 // All AccountManager error codes are greater than 0 2616 response.onError(result.getInt(AccountManager.KEY_ERROR_CODE), 2617 result.getString(AccountManager.KEY_ERROR_MESSAGE)); 2618 } else { 2619 response.onResult(result); 2620 } 2621 } 2622 } catch (RemoteException e) { 2623 // if the caller is dead then there is no one to care about remote exceptions 2624 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2625 Log.v(TAG, "failure while notifying response", e); 2626 } 2627 } 2628 } 2629 } 2630 2631 @Override 2632 public void onRequestContinued() { 2633 mNumRequestContinued++; 2634 } 2635 2636 @Override 2637 public void onError(int errorCode, String errorMessage) { 2638 mNumErrors++; 2639 IAccountManagerResponse response = getResponseAndClose(); 2640 if (response != null) { 2641 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2642 Log.v(TAG, getClass().getSimpleName() 2643 + " calling onError() on response " + response); 2644 } 2645 try { 2646 response.onError(errorCode, errorMessage); 2647 } catch (RemoteException e) { 2648 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2649 Log.v(TAG, "Session.onError: caught RemoteException while responding", e); 2650 } 2651 } 2652 } else { 2653 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2654 Log.v(TAG, "Session.onError: already closed"); 2655 } 2656 } 2657 } 2658 2659 /** 2660 * find the component name for the authenticator and initiate a bind 2661 * if no authenticator or the bind fails then return false, otherwise return true 2662 */ 2663 private boolean bindToAuthenticator(String authenticatorType) { 2664 final AccountAuthenticatorCache.ServiceInfo<AuthenticatorDescription> authenticatorInfo; 2665 authenticatorInfo = mAuthenticatorCache.getServiceInfo( 2666 AuthenticatorDescription.newKey(authenticatorType), mAccounts.userId); 2667 if (authenticatorInfo == null) { 2668 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2669 Log.v(TAG, "there is no authenticator for " + authenticatorType 2670 + ", bailing out"); 2671 } 2672 return false; 2673 } 2674 2675 Intent intent = new Intent(); 2676 intent.setAction(AccountManager.ACTION_AUTHENTICATOR_INTENT); 2677 intent.setComponent(authenticatorInfo.componentName); 2678 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2679 Log.v(TAG, "performing bindService to " + authenticatorInfo.componentName); 2680 } 2681 if (!mContext.bindServiceAsUser(intent, this, Context.BIND_AUTO_CREATE, 2682 new UserHandle(mAccounts.userId))) { 2683 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2684 Log.v(TAG, "bindService to " + authenticatorInfo.componentName + " failed"); 2685 } 2686 return false; 2687 } 2688 2689 2690 return true; 2691 } 2692 } 2693 2694 private class MessageHandler extends Handler { 2695 MessageHandler(Looper looper) { 2696 super(looper); 2697 } 2698 2699 @Override 2700 public void handleMessage(Message msg) { 2701 switch (msg.what) { 2702 case MESSAGE_TIMED_OUT: 2703 Session session = (Session)msg.obj; 2704 session.onTimedOut(); 2705 break; 2706 2707 case MESSAGE_COPY_SHARED_ACCOUNT: 2708 copyAccountToUser((Account) msg.obj, msg.arg1, msg.arg2); 2709 break; 2710 2711 default: 2712 throw new IllegalStateException("unhandled message: " + msg.what); 2713 } 2714 } 2715 } 2716 2717 private static String getDatabaseName(int userId) { 2718 File systemDir = Environment.getSystemSecureDirectory(); 2719 File databaseFile = new File(Environment.getUserSystemDirectory(userId), DATABASE_NAME); 2720 if (userId == 0) { 2721 // Migrate old file, if it exists, to the new location. 2722 // Make sure the new file doesn't already exist. A dummy file could have been 2723 // accidentally created in the old location, causing the new one to become corrupted 2724 // as well. 2725 File oldFile = new File(systemDir, DATABASE_NAME); 2726 if (oldFile.exists() && !databaseFile.exists()) { 2727 // Check for use directory; create if it doesn't exist, else renameTo will fail 2728 File userDir = Environment.getUserSystemDirectory(userId); 2729 if (!userDir.exists()) { 2730 if (!userDir.mkdirs()) { 2731 throw new IllegalStateException("User dir cannot be created: " + userDir); 2732 } 2733 } 2734 if (!oldFile.renameTo(databaseFile)) { 2735 throw new IllegalStateException("User dir cannot be migrated: " + databaseFile); 2736 } 2737 } 2738 } 2739 return databaseFile.getPath(); 2740 } 2741 2742 static class DatabaseHelper extends SQLiteOpenHelper { 2743 2744 public DatabaseHelper(Context context, int userId) { 2745 super(context, AccountManagerService.getDatabaseName(userId), null, DATABASE_VERSION); 2746 } 2747 2748 /** 2749 * This call needs to be made while the mCacheLock is held. The way to 2750 * ensure this is to get the lock any time a method is called ont the DatabaseHelper 2751 * @param db The database. 2752 */ 2753 @Override 2754 public void onCreate(SQLiteDatabase db) { 2755 db.execSQL("CREATE TABLE " + TABLE_ACCOUNTS + " ( " 2756 + ACCOUNTS_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " 2757 + ACCOUNTS_NAME + " TEXT NOT NULL, " 2758 + ACCOUNTS_TYPE + " TEXT NOT NULL, " 2759 + ACCOUNTS_PASSWORD + " TEXT, " 2760 + ACCOUNTS_PREVIOUS_NAME + " TEXT, " 2761 + "UNIQUE(" + ACCOUNTS_NAME + "," + ACCOUNTS_TYPE + "))"); 2762 2763 db.execSQL("CREATE TABLE " + TABLE_AUTHTOKENS + " ( " 2764 + AUTHTOKENS_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " 2765 + AUTHTOKENS_ACCOUNTS_ID + " INTEGER NOT NULL, " 2766 + AUTHTOKENS_TYPE + " TEXT NOT NULL, " 2767 + AUTHTOKENS_AUTHTOKEN + " TEXT, " 2768 + "UNIQUE (" + AUTHTOKENS_ACCOUNTS_ID + "," + AUTHTOKENS_TYPE + "))"); 2769 2770 createGrantsTable(db); 2771 2772 db.execSQL("CREATE TABLE " + TABLE_EXTRAS + " ( " 2773 + EXTRAS_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " 2774 + EXTRAS_ACCOUNTS_ID + " INTEGER, " 2775 + EXTRAS_KEY + " TEXT NOT NULL, " 2776 + EXTRAS_VALUE + " TEXT, " 2777 + "UNIQUE(" + EXTRAS_ACCOUNTS_ID + "," + EXTRAS_KEY + "))"); 2778 2779 db.execSQL("CREATE TABLE " + TABLE_META + " ( " 2780 + META_KEY + " TEXT PRIMARY KEY NOT NULL, " 2781 + META_VALUE + " TEXT)"); 2782 2783 createSharedAccountsTable(db); 2784 2785 createAccountsDeletionTrigger(db); 2786 } 2787 2788 private void createSharedAccountsTable(SQLiteDatabase db) { 2789 db.execSQL("CREATE TABLE " + TABLE_SHARED_ACCOUNTS + " ( " 2790 + ACCOUNTS_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " 2791 + ACCOUNTS_NAME + " TEXT NOT NULL, " 2792 + ACCOUNTS_TYPE + " TEXT NOT NULL, " 2793 + "UNIQUE(" + ACCOUNTS_NAME + "," + ACCOUNTS_TYPE + "))"); 2794 } 2795 2796 private void addOldAccountNameColumn(SQLiteDatabase db) { 2797 db.execSQL("ALTER TABLE " + TABLE_ACCOUNTS + " ADD COLUMN " + ACCOUNTS_PREVIOUS_NAME); 2798 } 2799 2800 private void createAccountsDeletionTrigger(SQLiteDatabase db) { 2801 db.execSQL("" 2802 + " CREATE TRIGGER " + TABLE_ACCOUNTS + "Delete DELETE ON " + TABLE_ACCOUNTS 2803 + " BEGIN" 2804 + " DELETE FROM " + TABLE_AUTHTOKENS 2805 + " WHERE " + AUTHTOKENS_ACCOUNTS_ID + "=OLD." + ACCOUNTS_ID + " ;" 2806 + " DELETE FROM " + TABLE_EXTRAS 2807 + " WHERE " + EXTRAS_ACCOUNTS_ID + "=OLD." + ACCOUNTS_ID + " ;" 2808 + " DELETE FROM " + TABLE_GRANTS 2809 + " WHERE " + GRANTS_ACCOUNTS_ID + "=OLD." + ACCOUNTS_ID + " ;" 2810 + " END"); 2811 } 2812 2813 private void createGrantsTable(SQLiteDatabase db) { 2814 db.execSQL("CREATE TABLE " + TABLE_GRANTS + " ( " 2815 + GRANTS_ACCOUNTS_ID + " INTEGER NOT NULL, " 2816 + GRANTS_AUTH_TOKEN_TYPE + " STRING NOT NULL, " 2817 + GRANTS_GRANTEE_UID + " INTEGER NOT NULL, " 2818 + "UNIQUE (" + GRANTS_ACCOUNTS_ID + "," + GRANTS_AUTH_TOKEN_TYPE 2819 + "," + GRANTS_GRANTEE_UID + "))"); 2820 } 2821 2822 @Override 2823 public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { 2824 Log.e(TAG, "upgrade from version " + oldVersion + " to version " + newVersion); 2825 2826 if (oldVersion == 1) { 2827 // no longer need to do anything since the work is done 2828 // when upgrading from version 2 2829 oldVersion++; 2830 } 2831 2832 if (oldVersion == 2) { 2833 createGrantsTable(db); 2834 db.execSQL("DROP TRIGGER " + TABLE_ACCOUNTS + "Delete"); 2835 createAccountsDeletionTrigger(db); 2836 oldVersion++; 2837 } 2838 2839 if (oldVersion == 3) { 2840 db.execSQL("UPDATE " + TABLE_ACCOUNTS + " SET " + ACCOUNTS_TYPE + 2841 " = 'com.google' WHERE " + ACCOUNTS_TYPE + " == 'com.google.GAIA'"); 2842 oldVersion++; 2843 } 2844 2845 if (oldVersion == 4) { 2846 createSharedAccountsTable(db); 2847 oldVersion++; 2848 } 2849 2850 if (oldVersion == 5) { 2851 addOldAccountNameColumn(db); 2852 oldVersion++; 2853 } 2854 2855 if (oldVersion != newVersion) { 2856 Log.e(TAG, "failed to upgrade version " + oldVersion + " to version " + newVersion); 2857 } 2858 } 2859 2860 @Override 2861 public void onOpen(SQLiteDatabase db) { 2862 if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "opened database " + DATABASE_NAME); 2863 } 2864 } 2865 2866 public IBinder onBind(Intent intent) { 2867 return asBinder(); 2868 } 2869 2870 /** 2871 * Searches array of arguments for the specified string 2872 * @param args array of argument strings 2873 * @param value value to search for 2874 * @return true if the value is contained in the array 2875 */ 2876 private static boolean scanArgs(String[] args, String value) { 2877 if (args != null) { 2878 for (String arg : args) { 2879 if (value.equals(arg)) { 2880 return true; 2881 } 2882 } 2883 } 2884 return false; 2885 } 2886 2887 @Override 2888 protected void dump(FileDescriptor fd, PrintWriter fout, String[] args) { 2889 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 2890 != PackageManager.PERMISSION_GRANTED) { 2891 fout.println("Permission Denial: can't dump AccountsManager from from pid=" 2892 + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() 2893 + " without permission " + android.Manifest.permission.DUMP); 2894 return; 2895 } 2896 final boolean isCheckinRequest = scanArgs(args, "--checkin") || scanArgs(args, "-c"); 2897 final IndentingPrintWriter ipw = new IndentingPrintWriter(fout, " "); 2898 2899 final List<UserInfo> users = getUserManager().getUsers(); 2900 for (UserInfo user : users) { 2901 ipw.println("User " + user + ":"); 2902 ipw.increaseIndent(); 2903 dumpUser(getUserAccounts(user.id), fd, ipw, args, isCheckinRequest); 2904 ipw.println(); 2905 ipw.decreaseIndent(); 2906 } 2907 } 2908 2909 private void dumpUser(UserAccounts userAccounts, FileDescriptor fd, PrintWriter fout, 2910 String[] args, boolean isCheckinRequest) { 2911 synchronized (userAccounts.cacheLock) { 2912 final SQLiteDatabase db = userAccounts.openHelper.getReadableDatabase(); 2913 2914 if (isCheckinRequest) { 2915 // This is a checkin request. *Only* upload the account types and the count of each. 2916 Cursor cursor = db.query(TABLE_ACCOUNTS, ACCOUNT_TYPE_COUNT_PROJECTION, 2917 null, null, ACCOUNTS_TYPE, null, null); 2918 try { 2919 while (cursor.moveToNext()) { 2920 // print type,count 2921 fout.println(cursor.getString(0) + "," + cursor.getString(1)); 2922 } 2923 } finally { 2924 if (cursor != null) { 2925 cursor.close(); 2926 } 2927 } 2928 } else { 2929 Account[] accounts = getAccountsFromCacheLocked(userAccounts, null /* type */, 2930 Process.myUid(), null); 2931 fout.println("Accounts: " + accounts.length); 2932 for (Account account : accounts) { 2933 fout.println(" " + account); 2934 } 2935 2936 fout.println(); 2937 synchronized (mSessions) { 2938 final long now = SystemClock.elapsedRealtime(); 2939 fout.println("Active Sessions: " + mSessions.size()); 2940 for (Session session : mSessions.values()) { 2941 fout.println(" " + session.toDebugString(now)); 2942 } 2943 } 2944 2945 fout.println(); 2946 mAuthenticatorCache.dump(fd, fout, args, userAccounts.userId); 2947 } 2948 } 2949 } 2950 2951 private void doNotification(UserAccounts accounts, Account account, CharSequence message, 2952 Intent intent, int userId) { 2953 long identityToken = clearCallingIdentity(); 2954 try { 2955 if (Log.isLoggable(TAG, Log.VERBOSE)) { 2956 Log.v(TAG, "doNotification: " + message + " intent:" + intent); 2957 } 2958 2959 if (intent.getComponent() != null && 2960 GrantCredentialsPermissionActivity.class.getName().equals( 2961 intent.getComponent().getClassName())) { 2962 createNoCredentialsPermissionNotification(account, intent, userId); 2963 } else { 2964 final Integer notificationId = getSigninRequiredNotificationId(accounts, account); 2965 intent.addCategory(String.valueOf(notificationId)); 2966 Notification n = new Notification(android.R.drawable.stat_sys_warning, null, 2967 0 /* when */); 2968 UserHandle user = new UserHandle(userId); 2969 final String notificationTitleFormat = 2970 mContext.getText(R.string.notification_title).toString(); 2971 n.setLatestEventInfo(mContext, 2972 String.format(notificationTitleFormat, account.name), 2973 message, PendingIntent.getActivityAsUser( 2974 mContext, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT, 2975 null, user)); 2976 installNotification(notificationId, n, user); 2977 } 2978 } finally { 2979 restoreCallingIdentity(identityToken); 2980 } 2981 } 2982 2983 protected void installNotification(final int notificationId, final Notification n, 2984 UserHandle user) { 2985 ((NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE)) 2986 .notifyAsUser(null, notificationId, n, user); 2987 } 2988 2989 protected void cancelNotification(int id, UserHandle user) { 2990 long identityToken = clearCallingIdentity(); 2991 try { 2992 ((NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE)) 2993 .cancelAsUser(null, id, user); 2994 } finally { 2995 restoreCallingIdentity(identityToken); 2996 } 2997 } 2998 2999 /** Succeeds if any of the specified permissions are granted. */ 3000 private void checkBinderPermission(String... permissions) { 3001 final int uid = Binder.getCallingUid(); 3002 3003 for (String perm : permissions) { 3004 if (mContext.checkCallingOrSelfPermission(perm) == PackageManager.PERMISSION_GRANTED) { 3005 if (Log.isLoggable(TAG, Log.VERBOSE)) { 3006 Log.v(TAG, " caller uid " + uid + " has " + perm); 3007 } 3008 return; 3009 } 3010 } 3011 3012 String msg = "caller uid " + uid + " lacks any of " + TextUtils.join(",", permissions); 3013 Log.w(TAG, " " + msg); 3014 throw new SecurityException(msg); 3015 } 3016 3017 private int handleIncomingUser(int userId) { 3018 try { 3019 return ActivityManagerNative.getDefault().handleIncomingUser( 3020 Binder.getCallingPid(), Binder.getCallingUid(), userId, true, true, "", null); 3021 } catch (RemoteException re) { 3022 // Shouldn't happen, local. 3023 } 3024 return userId; 3025 } 3026 3027 private boolean isPrivileged(int callingUid) { 3028 final int callingUserId = UserHandle.getUserId(callingUid); 3029 3030 final PackageManager userPackageManager; 3031 try { 3032 userPackageManager = mContext.createPackageContextAsUser( 3033 "android", 0, new UserHandle(callingUserId)).getPackageManager(); 3034 } catch (NameNotFoundException e) { 3035 return false; 3036 } 3037 3038 String[] packages = userPackageManager.getPackagesForUid(callingUid); 3039 for (String name : packages) { 3040 try { 3041 PackageInfo packageInfo = userPackageManager.getPackageInfo(name, 0 /* flags */); 3042 if (packageInfo != null 3043 && (packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3044 return true; 3045 } 3046 } catch (PackageManager.NameNotFoundException e) { 3047 return false; 3048 } 3049 } 3050 return false; 3051 } 3052 3053 private boolean permissionIsGranted(Account account, String authTokenType, int callerUid) { 3054 final boolean isPrivileged = isPrivileged(callerUid); 3055 final boolean fromAuthenticator = account != null 3056 && hasAuthenticatorUid(account.type, callerUid); 3057 final boolean hasExplicitGrants = account != null 3058 && hasExplicitlyGrantedPermission(account, authTokenType, callerUid); 3059 if (Log.isLoggable(TAG, Log.VERBOSE)) { 3060 Log.v(TAG, "checkGrantsOrCallingUidAgainstAuthenticator: caller uid " 3061 + callerUid + ", " + account 3062 + ": is authenticator? " + fromAuthenticator 3063 + ", has explicit permission? " + hasExplicitGrants); 3064 } 3065 return fromAuthenticator || hasExplicitGrants || isPrivileged; 3066 } 3067 3068 private boolean hasAuthenticatorUid(String accountType, int callingUid) { 3069 final int callingUserId = UserHandle.getUserId(callingUid); 3070 for (RegisteredServicesCache.ServiceInfo<AuthenticatorDescription> serviceInfo : 3071 mAuthenticatorCache.getAllServices(callingUserId)) { 3072 if (serviceInfo.type.type.equals(accountType)) { 3073 return (serviceInfo.uid == callingUid) || 3074 (mPackageManager.checkSignatures(serviceInfo.uid, callingUid) 3075 == PackageManager.SIGNATURE_MATCH); 3076 } 3077 } 3078 return false; 3079 } 3080 3081 private boolean hasExplicitlyGrantedPermission(Account account, String authTokenType, 3082 int callerUid) { 3083 if (callerUid == Process.SYSTEM_UID) { 3084 return true; 3085 } 3086 UserAccounts accounts = getUserAccountsForCaller(); 3087 synchronized (accounts.cacheLock) { 3088 final SQLiteDatabase db = accounts.openHelper.getReadableDatabase(); 3089 String[] args = { String.valueOf(callerUid), authTokenType, 3090 account.name, account.type}; 3091 final boolean permissionGranted = 3092 DatabaseUtils.longForQuery(db, COUNT_OF_MATCHING_GRANTS, args) != 0; 3093 if (!permissionGranted && ActivityManager.isRunningInTestHarness()) { 3094 // TODO: Skip this check when running automated tests. Replace this 3095 // with a more general solution. 3096 Log.d(TAG, "no credentials permission for usage of " + account + ", " 3097 + authTokenType + " by uid " + callerUid 3098 + " but ignoring since device is in test harness."); 3099 return true; 3100 } 3101 return permissionGranted; 3102 } 3103 } 3104 3105 private void checkCallingUidAgainstAuthenticator(Account account) { 3106 final int uid = Binder.getCallingUid(); 3107 if (account == null || !hasAuthenticatorUid(account.type, uid)) { 3108 String msg = "caller uid " + uid + " is different than the authenticator's uid"; 3109 Log.w(TAG, msg); 3110 throw new SecurityException(msg); 3111 } 3112 if (Log.isLoggable(TAG, Log.VERBOSE)) { 3113 Log.v(TAG, "caller uid " + uid + " is the same as the authenticator's uid"); 3114 } 3115 } 3116 3117 private void checkAuthenticateAccountsPermission(Account account) { 3118 checkBinderPermission(Manifest.permission.AUTHENTICATE_ACCOUNTS); 3119 checkCallingUidAgainstAuthenticator(account); 3120 } 3121 3122 private void checkReadAccountsPermission() { 3123 checkBinderPermission(Manifest.permission.GET_ACCOUNTS); 3124 } 3125 3126 private void checkManageAccountsPermission() { 3127 checkBinderPermission(Manifest.permission.MANAGE_ACCOUNTS); 3128 } 3129 3130 private void checkManageAccountsOrUseCredentialsPermissions() { 3131 checkBinderPermission(Manifest.permission.MANAGE_ACCOUNTS, 3132 Manifest.permission.USE_CREDENTIALS); 3133 } 3134 3135 private boolean canUserModifyAccounts(int userId) { 3136 if (getUserManager().getUserRestrictions(new UserHandle(userId)) 3137 .getBoolean(UserManager.DISALLOW_MODIFY_ACCOUNTS)) { 3138 return false; 3139 } 3140 return true; 3141 } 3142 3143 private boolean canUserModifyAccountsForType(int userId, String accountType) { 3144 DevicePolicyManager dpm = (DevicePolicyManager) mContext 3145 .getSystemService(Context.DEVICE_POLICY_SERVICE); 3146 String[] typesArray = dpm.getAccountTypesWithManagementDisabledAsUser(userId); 3147 for (String forbiddenType : typesArray) { 3148 if (forbiddenType.equals(accountType)) { 3149 return false; 3150 } 3151 } 3152 return true; 3153 } 3154 3155 @Override 3156 public void updateAppPermission(Account account, String authTokenType, int uid, boolean value) 3157 throws RemoteException { 3158 final int callingUid = getCallingUid(); 3159 3160 if (callingUid != Process.SYSTEM_UID) { 3161 throw new SecurityException(); 3162 } 3163 3164 if (value) { 3165 grantAppPermission(account, authTokenType, uid); 3166 } else { 3167 revokeAppPermission(account, authTokenType, uid); 3168 } 3169 } 3170 3171 /** 3172 * Allow callers with the given uid permission to get credentials for account/authTokenType. 3173 * <p> 3174 * Although this is public it can only be accessed via the AccountManagerService object 3175 * which is in the system. This means we don't need to protect it with permissions. 3176 * @hide 3177 */ 3178 private void grantAppPermission(Account account, String authTokenType, int uid) { 3179 if (account == null || authTokenType == null) { 3180 Log.e(TAG, "grantAppPermission: called with invalid arguments", new Exception()); 3181 return; 3182 } 3183 UserAccounts accounts = getUserAccounts(UserHandle.getUserId(uid)); 3184 synchronized (accounts.cacheLock) { 3185 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 3186 db.beginTransaction(); 3187 try { 3188 long accountId = getAccountIdLocked(db, account); 3189 if (accountId >= 0) { 3190 ContentValues values = new ContentValues(); 3191 values.put(GRANTS_ACCOUNTS_ID, accountId); 3192 values.put(GRANTS_AUTH_TOKEN_TYPE, authTokenType); 3193 values.put(GRANTS_GRANTEE_UID, uid); 3194 db.insert(TABLE_GRANTS, GRANTS_ACCOUNTS_ID, values); 3195 db.setTransactionSuccessful(); 3196 } 3197 } finally { 3198 db.endTransaction(); 3199 } 3200 cancelNotification(getCredentialPermissionNotificationId(account, authTokenType, uid), 3201 new UserHandle(accounts.userId)); 3202 } 3203 } 3204 3205 /** 3206 * Don't allow callers with the given uid permission to get credentials for 3207 * account/authTokenType. 3208 * <p> 3209 * Although this is public it can only be accessed via the AccountManagerService object 3210 * which is in the system. This means we don't need to protect it with permissions. 3211 * @hide 3212 */ 3213 private void revokeAppPermission(Account account, String authTokenType, int uid) { 3214 if (account == null || authTokenType == null) { 3215 Log.e(TAG, "revokeAppPermission: called with invalid arguments", new Exception()); 3216 return; 3217 } 3218 UserAccounts accounts = getUserAccounts(UserHandle.getUserId(uid)); 3219 synchronized (accounts.cacheLock) { 3220 final SQLiteDatabase db = accounts.openHelper.getWritableDatabase(); 3221 db.beginTransaction(); 3222 try { 3223 long accountId = getAccountIdLocked(db, account); 3224 if (accountId >= 0) { 3225 db.delete(TABLE_GRANTS, 3226 GRANTS_ACCOUNTS_ID + "=? AND " + GRANTS_AUTH_TOKEN_TYPE + "=? AND " 3227 + GRANTS_GRANTEE_UID + "=?", 3228 new String[]{String.valueOf(accountId), authTokenType, 3229 String.valueOf(uid)}); 3230 db.setTransactionSuccessful(); 3231 } 3232 } finally { 3233 db.endTransaction(); 3234 } 3235 cancelNotification(getCredentialPermissionNotificationId(account, authTokenType, uid), 3236 new UserHandle(accounts.userId)); 3237 } 3238 } 3239 3240 static final private String stringArrayToString(String[] value) { 3241 return value != null ? ("[" + TextUtils.join(",", value) + "]") : null; 3242 } 3243 3244 private void removeAccountFromCacheLocked(UserAccounts accounts, Account account) { 3245 final Account[] oldAccountsForType = accounts.accountCache.get(account.type); 3246 if (oldAccountsForType != null) { 3247 ArrayList<Account> newAccountsList = new ArrayList<Account>(); 3248 for (Account curAccount : oldAccountsForType) { 3249 if (!curAccount.equals(account)) { 3250 newAccountsList.add(curAccount); 3251 } 3252 } 3253 if (newAccountsList.isEmpty()) { 3254 accounts.accountCache.remove(account.type); 3255 } else { 3256 Account[] newAccountsForType = new Account[newAccountsList.size()]; 3257 newAccountsForType = newAccountsList.toArray(newAccountsForType); 3258 accounts.accountCache.put(account.type, newAccountsForType); 3259 } 3260 } 3261 accounts.userDataCache.remove(account); 3262 accounts.authTokenCache.remove(account); 3263 accounts.previousNameCache.remove(account); 3264 } 3265 3266 /** 3267 * This assumes that the caller has already checked that the account is not already present. 3268 */ 3269 private void insertAccountIntoCacheLocked(UserAccounts accounts, Account account) { 3270 Account[] accountsForType = accounts.accountCache.get(account.type); 3271 int oldLength = (accountsForType != null) ? accountsForType.length : 0; 3272 Account[] newAccountsForType = new Account[oldLength + 1]; 3273 if (accountsForType != null) { 3274 System.arraycopy(accountsForType, 0, newAccountsForType, 0, oldLength); 3275 } 3276 newAccountsForType[oldLength] = account; 3277 accounts.accountCache.put(account.type, newAccountsForType); 3278 } 3279 3280 private Account[] filterSharedAccounts(UserAccounts userAccounts, Account[] unfiltered, 3281 int callingUid, String callingPackage) { 3282 if (getUserManager() == null || userAccounts == null || userAccounts.userId < 0 3283 || callingUid == Process.myUid()) { 3284 return unfiltered; 3285 } 3286 UserInfo user = mUserManager.getUserInfo(userAccounts.userId); 3287 if (user != null && user.isRestricted()) { 3288 String[] packages = mPackageManager.getPackagesForUid(callingUid); 3289 // If any of the packages is a white listed package, return the full set, 3290 // otherwise return non-shared accounts only. 3291 // This might be a temporary way to specify a whitelist 3292 String whiteList = mContext.getResources().getString( 3293 com.android.internal.R.string.config_appsAuthorizedForSharedAccounts); 3294 for (String packageName : packages) { 3295 if (whiteList.contains(";" + packageName + ";")) { 3296 return unfiltered; 3297 } 3298 } 3299 ArrayList<Account> allowed = new ArrayList<Account>(); 3300 Account[] sharedAccounts = getSharedAccountsAsUser(userAccounts.userId); 3301 if (sharedAccounts == null || sharedAccounts.length == 0) return unfiltered; 3302 String requiredAccountType = ""; 3303 try { 3304 // If there's an explicit callingPackage specified, check if that package 3305 // opted in to see restricted accounts. 3306 if (callingPackage != null) { 3307 PackageInfo pi = mPackageManager.getPackageInfo(callingPackage, 0); 3308 if (pi != null && pi.restrictedAccountType != null) { 3309 requiredAccountType = pi.restrictedAccountType; 3310 } 3311 } else { 3312 // Otherwise check if the callingUid has a package that has opted in 3313 for (String packageName : packages) { 3314 PackageInfo pi = mPackageManager.getPackageInfo(packageName, 0); 3315 if (pi != null && pi.restrictedAccountType != null) { 3316 requiredAccountType = pi.restrictedAccountType; 3317 break; 3318 } 3319 } 3320 } 3321 } catch (NameNotFoundException nnfe) { 3322 } 3323 for (Account account : unfiltered) { 3324 if (account.type.equals(requiredAccountType)) { 3325 allowed.add(account); 3326 } else { 3327 boolean found = false; 3328 for (Account shared : sharedAccounts) { 3329 if (shared.equals(account)) { 3330 found = true; 3331 break; 3332 } 3333 } 3334 if (!found) { 3335 allowed.add(account); 3336 } 3337 } 3338 } 3339 Account[] filtered = new Account[allowed.size()]; 3340 allowed.toArray(filtered); 3341 return filtered; 3342 } else { 3343 return unfiltered; 3344 } 3345 } 3346 3347 /* 3348 * packageName can be null. If not null, it should be used to filter out restricted accounts 3349 * that the package is not allowed to access. 3350 */ 3351 protected Account[] getAccountsFromCacheLocked(UserAccounts userAccounts, String accountType, 3352 int callingUid, String callingPackage) { 3353 if (accountType != null) { 3354 final Account[] accounts = userAccounts.accountCache.get(accountType); 3355 if (accounts == null) { 3356 return EMPTY_ACCOUNT_ARRAY; 3357 } else { 3358 return filterSharedAccounts(userAccounts, Arrays.copyOf(accounts, accounts.length), 3359 callingUid, callingPackage); 3360 } 3361 } else { 3362 int totalLength = 0; 3363 for (Account[] accounts : userAccounts.accountCache.values()) { 3364 totalLength += accounts.length; 3365 } 3366 if (totalLength == 0) { 3367 return EMPTY_ACCOUNT_ARRAY; 3368 } 3369 Account[] accounts = new Account[totalLength]; 3370 totalLength = 0; 3371 for (Account[] accountsOfType : userAccounts.accountCache.values()) { 3372 System.arraycopy(accountsOfType, 0, accounts, totalLength, 3373 accountsOfType.length); 3374 totalLength += accountsOfType.length; 3375 } 3376 return filterSharedAccounts(userAccounts, accounts, callingUid, callingPackage); 3377 } 3378 } 3379 3380 protected void writeUserDataIntoCacheLocked(UserAccounts accounts, final SQLiteDatabase db, 3381 Account account, String key, String value) { 3382 HashMap<String, String> userDataForAccount = accounts.userDataCache.get(account); 3383 if (userDataForAccount == null) { 3384 userDataForAccount = readUserDataForAccountFromDatabaseLocked(db, account); 3385 accounts.userDataCache.put(account, userDataForAccount); 3386 } 3387 if (value == null) { 3388 userDataForAccount.remove(key); 3389 } else { 3390 userDataForAccount.put(key, value); 3391 } 3392 } 3393 3394 protected void writeAuthTokenIntoCacheLocked(UserAccounts accounts, final SQLiteDatabase db, 3395 Account account, String key, String value) { 3396 HashMap<String, String> authTokensForAccount = accounts.authTokenCache.get(account); 3397 if (authTokensForAccount == null) { 3398 authTokensForAccount = readAuthTokensForAccountFromDatabaseLocked(db, account); 3399 accounts.authTokenCache.put(account, authTokensForAccount); 3400 } 3401 if (value == null) { 3402 authTokensForAccount.remove(key); 3403 } else { 3404 authTokensForAccount.put(key, value); 3405 } 3406 } 3407 3408 protected String readAuthTokenInternal(UserAccounts accounts, Account account, 3409 String authTokenType) { 3410 synchronized (accounts.cacheLock) { 3411 HashMap<String, String> authTokensForAccount = accounts.authTokenCache.get(account); 3412 if (authTokensForAccount == null) { 3413 // need to populate the cache for this account 3414 final SQLiteDatabase db = accounts.openHelper.getReadableDatabase(); 3415 authTokensForAccount = readAuthTokensForAccountFromDatabaseLocked(db, account); 3416 accounts.authTokenCache.put(account, authTokensForAccount); 3417 } 3418 return authTokensForAccount.get(authTokenType); 3419 } 3420 } 3421 3422 protected String readUserDataInternal(UserAccounts accounts, Account account, String key) { 3423 synchronized (accounts.cacheLock) { 3424 HashMap<String, String> userDataForAccount = accounts.userDataCache.get(account); 3425 if (userDataForAccount == null) { 3426 // need to populate the cache for this account 3427 final SQLiteDatabase db = accounts.openHelper.getReadableDatabase(); 3428 userDataForAccount = readUserDataForAccountFromDatabaseLocked(db, account); 3429 accounts.userDataCache.put(account, userDataForAccount); 3430 } 3431 return userDataForAccount.get(key); 3432 } 3433 } 3434 3435 protected HashMap<String, String> readUserDataForAccountFromDatabaseLocked( 3436 final SQLiteDatabase db, Account account) { 3437 HashMap<String, String> userDataForAccount = new HashMap<String, String>(); 3438 Cursor cursor = db.query(TABLE_EXTRAS, 3439 COLUMNS_EXTRAS_KEY_AND_VALUE, 3440 SELECTION_USERDATA_BY_ACCOUNT, 3441 new String[]{account.name, account.type}, 3442 null, null, null); 3443 try { 3444 while (cursor.moveToNext()) { 3445 final String tmpkey = cursor.getString(0); 3446 final String value = cursor.getString(1); 3447 userDataForAccount.put(tmpkey, value); 3448 } 3449 } finally { 3450 cursor.close(); 3451 } 3452 return userDataForAccount; 3453 } 3454 3455 protected HashMap<String, String> readAuthTokensForAccountFromDatabaseLocked( 3456 final SQLiteDatabase db, Account account) { 3457 HashMap<String, String> authTokensForAccount = new HashMap<String, String>(); 3458 Cursor cursor = db.query(TABLE_AUTHTOKENS, 3459 COLUMNS_AUTHTOKENS_TYPE_AND_AUTHTOKEN, 3460 SELECTION_AUTHTOKENS_BY_ACCOUNT, 3461 new String[]{account.name, account.type}, 3462 null, null, null); 3463 try { 3464 while (cursor.moveToNext()) { 3465 final String type = cursor.getString(0); 3466 final String authToken = cursor.getString(1); 3467 authTokensForAccount.put(type, authToken); 3468 } 3469 } finally { 3470 cursor.close(); 3471 } 3472 return authTokensForAccount; 3473 } 3474} 3475