am 26680d5c: Merge "Allow authenticators to rename accounts." into lmp-dev (34f62afa) · Commits · e / os / android_frameworks_base

api/current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -2746,6 +2746,7 @@ package android.accounts {
		method public android.accounts.AccountManagerFuture<android.os.Bundle> getAuthTokenByFeatures(java.lang.String, java.lang.String, java.lang.String[], android.app.Activity, android.os.Bundle, android.os.Bundle, android.accounts.AccountManagerCallback<android.os.Bundle>, android.os.Handler);
		method public android.accounts.AuthenticatorDescription[] getAuthenticatorTypes();
		method public java.lang.String getPassword(android.accounts.Account);
		method public java.lang.String getPreviousName(android.accounts.Account);
		method public java.lang.String getUserData(android.accounts.Account, java.lang.String);
		method public android.accounts.AccountManagerFuture<java.lang.Boolean> hasFeatures(android.accounts.Account, java.lang.String[], android.accounts.AccountManagerCallback<java.lang.Boolean>, android.os.Handler);
		method public void invalidateAuthToken(java.lang.String, java.lang.String);
		@@ -2753,6 +2754,7 @@ package android.accounts {
		method public java.lang.String peekAuthToken(android.accounts.Account, java.lang.String);
		method public android.accounts.AccountManagerFuture<java.lang.Boolean> removeAccount(android.accounts.Account, android.accounts.AccountManagerCallback<java.lang.Boolean>, android.os.Handler);
		method public void removeOnAccountsUpdatedListener(android.accounts.OnAccountsUpdateListener);
		method public android.accounts.AccountManagerFuture<android.accounts.Account> renameAccount(android.accounts.Account, java.lang.String, android.accounts.AccountManagerCallback<android.accounts.Account>, android.os.Handler);
		method public void setAuthToken(android.accounts.Account, java.lang.String, java.lang.String);
		method public void setPassword(android.accounts.Account, java.lang.String);
		method public void setUserData(android.accounts.Account, java.lang.String, java.lang.String);

core/java/android/accounts/AccountManager.java

+66 −0

Original line number	Diff line number	Diff line
		@@ -662,6 +662,72 @@ public class AccountManager {
		}
		}

		/**
		* Rename the specified {@link Account}. This is equivalent to removing
		* the existing account and adding a new renamed account with the old
		* account's user data.
		*
		* <p>It is safe to call this method from the main thread.
		*
		* <p>This method requires the caller to hold the permission
		* {@link android.Manifest.permission#AUTHENTICATE_ACCOUNTS}
		* and have the same UID as the account's authenticator.
		*
		* @param account The {@link Account} to rename
		* @param newName String name to be associated with the account.
		* @param callback Callback to invoke when the request completes, null for
		* no callback
		* @param handler {@link Handler} identifying the callback thread, null for
		* the main thread
		* @return An {@link AccountManagerFuture} which resolves to the Account
		* after the name change. If successful the account's name will be the
		* specified new name.
		*/
		public AccountManagerFuture<Account> renameAccount(
		final Account account,
		final String newName,
		AccountManagerCallback<Account> callback,
		Handler handler) {
		if (account == null) throw new IllegalArgumentException("account is null.");
		if (TextUtils.isEmpty(newName)) {
		throw new IllegalArgumentException("newName is empty or null.");
		}
		return new Future2Task<Account>(handler, callback) {
		@Override
		public void doWork() throws RemoteException {
		mService.renameAccount(mResponse, account, newName);
		}
		@Override
		public Account bundleToResult(Bundle bundle) throws AuthenticatorException {
		String name = bundle.getString(KEY_ACCOUNT_NAME);
		String type = bundle.getString(KEY_ACCOUNT_TYPE);
		return new Account(name, type);
		}
		}.start();
		}

		/**
		* Gets the previous name associated with the account or {@code null}, if
		* none. This is intended so that clients of {@link
		* #LOGIN_ACCOUNTS_CHANGED_ACTION} broadcasts can determine if an
		* authenticator has renamed an account.
		*
		* <p>It is safe to call this method from the main thread.
		*
		* @param account The account to query for a previous name.
		* @return The account's previous name, null if the account has never been
		* renamed.
		*/
		public String getPreviousName(final Account account) {
		if (account == null) throw new IllegalArgumentException("account is null");
		try {
		return mService.getPreviousName(account);
		} catch (RemoteException e) {
		// will never happen
		throw new RuntimeException(e);
		}
		}

		/**
		* Removes an account from the AccountManager. Does nothing if the account
		* does not exist. Does not delete the account from the server.

core/java/android/accounts/IAccountManager.aidl

+6 −0

Original line number	Diff line number	Diff line
		@@ -69,4 +69,10 @@ interface IAccountManager {
		boolean addSharedAccountAsUser(in Account account, int userId);
		Account[] getSharedAccountsAsUser(int userId);
		boolean removeSharedAccountAsUser(in Account account, int userId);

		/* Account renaming. */
		void renameAccount(in IAccountManagerResponse response, in Account accountToRename, String newName);
		String getPreviousName(in Account account);
		boolean renameSharedAccountAsUser(in Account accountToRename, String newName, int userId);

		}

services/core/java/com/android/server/accounts/AccountManagerService.java

+212 −1

Original line number	Diff line number	Diff line
		@@ -77,6 +77,7 @@ import com.android.internal.R;
		import com.android.internal.util.ArrayUtils;
		import com.android.internal.util.IndentingPrintWriter;
		import com.android.server.FgThread;

		import com.google.android.collect.Lists;
		import com.google.android.collect.Sets;

		@@ -109,7 +110,7 @@ public class AccountManagerService

		private static final int TIMEOUT_DELAY_MS = 1000 * 60;
		private static final String DATABASE_NAME = "accounts.db";
		private static final int DATABASE_VERSION = 5;
		private static final int DATABASE_VERSION = 6;

		private final Context mContext;

		@@ -130,6 +131,7 @@ public class AccountManagerService
		private static final String ACCOUNTS_TYPE = "type";
		private static final String ACCOUNTS_TYPE_COUNT = "count(type)";
		private static final String ACCOUNTS_PASSWORD = "password";
		private static final String ACCOUNTS_PREVIOUS_NAME = "previous_name";

		private static final String TABLE_AUTHTOKENS = "authtokens";
		private static final String AUTHTOKENS_ID = "_id";
		@@ -196,6 +198,20 @@ public class AccountManagerService
		/** protected by the {@link #cacheLock} */
		private final HashMap<Account, HashMap<String, String>> authTokenCache =
		new HashMap<Account, HashMap<String, String>>();
		/**
		* protected by the {@link #cacheLock}
		*
		* Caches the previous names associated with an account. Previous names
		* should be cached because we expect that when an Account is renamed,
		* many clients will receive a LOGIN_ACCOUNTS_CHANGED broadcast and
		* want to know if the accounts they care about have been renamed.
		*
		* The previous names are wrapped in an {@link AtomicReference} so that
		* we can distinguish between those accounts with no previous names and
		* those whose previous names haven't been cached (yet).
		*/
		private final HashMap<Account, AtomicReference<String>> previousNameCache =
		new HashMap<Account, AtomicReference<String>>();

		UserAccounts(Context context, int userId) {
		this.userId = userId;
		@@ -516,6 +532,57 @@ public class AccountManagerService
		}
		}

		@Override
		public String getPreviousName(Account account) {
		if (Log.isLoggable(TAG, Log.VERBOSE)) {
		Log.v(TAG, "getPreviousName: " + account
		+ ", caller's uid " + Binder.getCallingUid()
		+ ", pid " + Binder.getCallingPid());
		}
		if (account == null) throw new IllegalArgumentException("account is null");
		UserAccounts accounts = getUserAccountsForCaller();
		long identityToken = clearCallingIdentity();
		try {
		return readPreviousNameInternal(accounts, account);
		} finally {
		restoreCallingIdentity(identityToken);
		}
		}

		private String readPreviousNameInternal(UserAccounts accounts, Account account) {
		if (account == null) {
		return null;
		}
		synchronized (accounts.cacheLock) {
		AtomicReference<String> previousNameRef = accounts.previousNameCache.get(account);
		if (previousNameRef == null) {
		final SQLiteDatabase db = accounts.openHelper.getReadableDatabase();
		Cursor cursor = db.query(
		TABLE_ACCOUNTS,
		new String[]{ ACCOUNTS_PREVIOUS_NAME },
		ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?",
		new String[] { account.name, account.type },
		null,
		null,
		null);
		try {
		if (cursor.moveToNext()) {
		String previousName = cursor.getString(0);
		previousNameRef = new AtomicReference<String>(previousName);
		accounts.previousNameCache.put(account, previousNameRef);
		return previousName;
		} else {
		return null;
		}
		} finally {
		cursor.close();
		}
		} else {
		return previousNameRef.get();
		}
		}
		}

		@Override
		public String getUserData(Account account, String key) {
		if (Log.isLoggable(TAG, Log.VERBOSE)) {
		@@ -858,6 +925,119 @@ public class AccountManagerService
		}
		}

		@Override
		public void renameAccount(
		IAccountManagerResponse response, Account accountToRename, String newName) {
		if (Log.isLoggable(TAG, Log.VERBOSE)) {
		Log.v(TAG, "renameAccount: " + accountToRename + " -> " + newName
		+ ", caller's uid " + Binder.getCallingUid()
		+ ", pid " + Binder.getCallingPid());
		}
		if (accountToRename == null) throw new IllegalArgumentException("account is null");
		checkAuthenticateAccountsPermission(accountToRename);
		UserAccounts accounts = getUserAccountsForCaller();
		long identityToken = clearCallingIdentity();
		try {
		Account resultingAccount = renameAccountInternal(accounts, accountToRename, newName);
		Bundle result = new Bundle();
		result.putString(AccountManager.KEY_ACCOUNT_NAME, resultingAccount.name);
		result.putString(AccountManager.KEY_ACCOUNT_TYPE, resultingAccount.type);
		try {
		response.onResult(result);
		} catch (RemoteException e) {
		Log.w(TAG, e.getMessage());
		}
		} finally {
		restoreCallingIdentity(identityToken);
		}
		}

		private Account renameAccountInternal(
		UserAccounts accounts, Account accountToRename, String newName) {
		Account resultAccount = null;
		/*
		* Cancel existing notifications. Let authenticators
		* re-post notifications as required. But we don't know if
		* the authenticators have bound their notifications to
		* now stale account name data.
		*
		* With a rename api, we might not need to do this anymore but it
		* shouldn't hurt.
		*/
		cancelNotification(
		getSigninRequiredNotificationId(accounts, accountToRename),
		new UserHandle(accounts.userId));
		synchronized(accounts.credentialsPermissionNotificationIds) {
		for (Pair<Pair<Account, String>, Integer> pair:
		accounts.credentialsPermissionNotificationIds.keySet()) {
		if (accountToRename.equals(pair.first.first)) {
		int id = accounts.credentialsPermissionNotificationIds.get(pair);
		cancelNotification(id, new UserHandle(accounts.userId));
		}
		}
		}
		synchronized (accounts.cacheLock) {
		final SQLiteDatabase db = accounts.openHelper.getWritableDatabase();
		db.beginTransaction();
		boolean isSuccessful = false;
		Account renamedAccount = new Account(newName, accountToRename.type);
		try {
		final ContentValues values = new ContentValues();
		values.put(ACCOUNTS_NAME, newName);
		values.put(ACCOUNTS_PREVIOUS_NAME, accountToRename.name);
		final long accountId = getAccountIdLocked(db, accountToRename);
		if (accountId >= 0) {
		final String[] argsAccountId = { String.valueOf(accountId) };
		db.update(TABLE_ACCOUNTS, values, ACCOUNTS_ID + "=?", argsAccountId);
		db.setTransactionSuccessful();
		isSuccessful = true;
		}
		} finally {
		db.endTransaction();
		if (isSuccessful) {
		/*
		* Database transaction was successful. Clean up cached
		* data associated with the account in the user profile.
		*/
		insertAccountIntoCacheLocked(accounts, renamedAccount);
		/*
		* Extract the data and token caches before removing the
		* old account to preserve the user data associated with
		* the account.
		*/
		HashMap<String, String> tmpData = accounts.userDataCache.get(accountToRename);
		HashMap<String, String> tmpTokens = accounts.authTokenCache.get(accountToRename);
		removeAccountFromCacheLocked(accounts, accountToRename);
		/*
		* Update the cached data associated with the renamed
		* account.
		*/
		accounts.userDataCache.put(renamedAccount, tmpData);
		accounts.authTokenCache.put(renamedAccount, tmpTokens);
		accounts.previousNameCache.put(
		renamedAccount,
		new AtomicReference<String>(accountToRename.name));
		resultAccount = renamedAccount;

		if (accounts.userId == UserHandle.USER_OWNER) {
		/*
		* Owner's account was renamed, rename the account for
		* those users with which the account was shared.
		*/
		List<UserInfo> users = mUserManager.getUsers(true);
		for (UserInfo user : users) {
		if (!user.isPrimary() && user.isRestricted()) {
		renameSharedAccountAsUser(accountToRename, newName, user.id);
		}
		}
		}
		sendAccountsChangedBroadcast(accounts.userId);
		}
		}
		}
		return resultAccount;
		}

		@Override
		public void removeAccount(IAccountManagerResponse response, Account account) {
		if (Log.isLoggable(TAG, Log.VERBOSE)) {
		@@ -2060,6 +2240,26 @@ public class AccountManagerService
		return true;
		}

		@Override
		public boolean renameSharedAccountAsUser(Account account, String newName, int userId) {
		userId = handleIncomingUser(userId);
		UserAccounts accounts = getUserAccounts(userId);
		SQLiteDatabase db = accounts.openHelper.getWritableDatabase();
		final ContentValues values = new ContentValues();
		values.put(ACCOUNTS_NAME, newName);
		values.put(ACCOUNTS_PREVIOUS_NAME, account.name);
		int r = db.update(
		TABLE_SHARED_ACCOUNTS,
		values,
		ACCOUNTS_NAME + "=? AND " + ACCOUNTS_TYPE+ "=?",
		new String[] { account.name, account.type });
		if (r > 0) {
		// Recursively rename the account.
		renameAccountInternal(accounts, account, newName);
		}
		return r > 0;
		}

		@Override
		public boolean removeSharedAccountAsUser(Account account, int userId) {
		userId = handleIncomingUser(userId);
		@@ -2557,6 +2757,7 @@ public class AccountManagerService
		+ ACCOUNTS_NAME + " TEXT NOT NULL, "
		+ ACCOUNTS_TYPE + " TEXT NOT NULL, "
		+ ACCOUNTS_PASSWORD + " TEXT, "
		+ ACCOUNTS_PREVIOUS_NAME + " TEXT, "
		+ "UNIQUE(" + ACCOUNTS_NAME + "," + ACCOUNTS_TYPE + "))");

		db.execSQL("CREATE TABLE " + TABLE_AUTHTOKENS + " ( "
		@@ -2592,6 +2793,10 @@ public class AccountManagerService
		+ "UNIQUE(" + ACCOUNTS_NAME + "," + ACCOUNTS_TYPE + "))");
		}

		private void addOldAccountNameColumn(SQLiteDatabase db) {
		db.execSQL("ALTER TABLE " + TABLE_ACCOUNTS + " ADD COLUMN " + ACCOUNTS_PREVIOUS_NAME);
		}

		private void createAccountsDeletionTrigger(SQLiteDatabase db) {
		db.execSQL(""
		+ " CREATE TRIGGER " + TABLE_ACCOUNTS + "Delete DELETE ON " + TABLE_ACCOUNTS
		@@ -2642,6 +2847,11 @@ public class AccountManagerService
		oldVersion++;
		}

		if (oldVersion == 5) {
		addOldAccountNameColumn(db);
		oldVersion++;
		}

		if (oldVersion != newVersion) {
		Log.e(TAG, "failed to upgrade version " + oldVersion + " to version " + newVersion);
		}
		@@ -3050,6 +3260,7 @@ public class AccountManagerService
		}
		accounts.userDataCache.remove(account);
		accounts.authTokenCache.remove(account);
		accounts.previousNameCache.remove(account);
		}

		/**