nextcloud-android/src/main/java/com/owncloud/android/jobs/AccountRemovalJob.java

243 lines
10 KiB
Java

/*
* Nextcloud Android client application
*
* @author Tobias Kaminsky
* @author Chris Narkiewicz
*
* Copyright (C) 2017 Tobias Kaminsky
* Copyright (C) 2017 Nextcloud GmbH.
* Copyright (C) 2019 Chris Narkiewicz <hello@ezaquarii.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.owncloud.android.jobs;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerCallback;
import android.accounts.AccountManagerFuture;
import android.content.Context;
import android.net.Uri;
import android.os.Build;
import android.provider.DocumentsContract;
import android.text.TextUtils;
import com.evernote.android.job.Job;
import com.evernote.android.job.util.support.PersistableBundleCompat;
import com.google.gson.Gson;
import com.nextcloud.client.account.UserAccountManager;
import com.nextcloud.client.core.Clock;
import com.nextcloud.client.preferences.AppPreferencesImpl;
import com.owncloud.android.MainApp;
import com.owncloud.android.R;
import com.owncloud.android.datamodel.ArbitraryDataProvider;
import com.owncloud.android.datamodel.FileDataStorageManager;
import com.owncloud.android.datamodel.FilesystemDataProvider;
import com.owncloud.android.datamodel.PushConfigurationState;
import com.owncloud.android.datamodel.SyncedFolder;
import com.owncloud.android.datamodel.SyncedFolderProvider;
import com.owncloud.android.datamodel.UploadsStorageManager;
import com.owncloud.android.lib.common.OwnCloudAccount;
import com.owncloud.android.lib.common.OwnCloudClient;
import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.lib.resources.users.RemoteWipeSuccessRemoteOperation;
import com.owncloud.android.ui.activity.ContactsPreferenceActivity;
import com.owncloud.android.ui.events.AccountRemovedEvent;
import com.owncloud.android.utils.EncryptionUtils;
import com.owncloud.android.utils.FileStorageUtils;
import com.owncloud.android.utils.PushUtils;
import org.greenrobot.eventbus.EventBus;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import androidx.annotation.NonNull;
import static android.content.Context.ACCOUNT_SERVICE;
import static com.owncloud.android.ui.activity.ManageAccountsActivity.PENDING_FOR_REMOVAL;
/**
* Removes account and all local files
*/
public class AccountRemovalJob extends Job implements AccountManagerCallback<Boolean> {
public static final String TAG = "AccountRemovalJob";
public static final String ACCOUNT = "account";
public static final String REMOTE_WIPE = "remote_wipe";
private final UploadsStorageManager uploadsStorageManager;
private final UserAccountManager userAccountManager;
private final Clock clock;
public AccountRemovalJob(UploadsStorageManager uploadStorageManager, UserAccountManager accountManager, Clock clock) {
this.uploadsStorageManager = uploadStorageManager;
this.userAccountManager = accountManager;
this.clock = clock;
}
@NonNull
@Override
protected Result onRunJob(@NotNull Params params) {
Context context = MainApp.getAppContext();
PersistableBundleCompat bundle = params.getExtras();
Account account = userAccountManager.getAccountByName(bundle.getString(ACCOUNT, ""));
AccountManager accountManager = (AccountManager) context.getSystemService(ACCOUNT_SERVICE);
boolean remoteWipe = bundle.getBoolean(REMOTE_WIPE, false);
if (account != null && accountManager != null) {
ArbitraryDataProvider arbitraryDataProvider = new ArbitraryDataProvider(context.getContentResolver());
// disable contact backup job
ContactsPreferenceActivity.cancelContactBackupJobForAccount(context, account);
removeAccount(account, accountManager);
FileDataStorageManager storageManager = new FileDataStorageManager(account, context.getContentResolver());
// remove all files
removeFiles(account, storageManager);
// delete all database entries
storageManager.deleteAllFiles();
// remove contact backup job
ContactsPreferenceActivity.cancelContactBackupJobForAccount(context, account);
// disable daily backup
arbitraryDataProvider.storeOrUpdateKeyValue(account.name,
ContactsPreferenceActivity.PREFERENCE_CONTACTS_AUTOMATIC_BACKUP,
"false");
// unregister push notifications
unregisterPushNotifications(context, account, arbitraryDataProvider);
// remove pending account removal
arbitraryDataProvider.deleteKeyForAccount(account.name, PENDING_FOR_REMOVAL);
// remove synced folders set for account
remoceSyncedFolders(context, account, clock);
// delete all uploads for account
uploadsStorageManager.removeAccountUploads(account);
// delete stored E2E keys
arbitraryDataProvider.deleteKeyForAccount(account.name, EncryptionUtils.PRIVATE_KEY);
arbitraryDataProvider.deleteKeyForAccount(account.name, EncryptionUtils.PUBLIC_KEY);
OwnCloudClient client = createClient(account);
if (remoteWipe && client != null) {
String authToken = client.getCredentials().getAuthToken();
new RemoteWipeSuccessRemoteOperation(authToken).execute(client);
}
// notify Document Provider
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
String authority = context.getResources().getString(R.string.document_provider_authority);
Uri rootsUri = DocumentsContract.buildRootsUri(authority);
context.getContentResolver().notifyChange(rootsUri, null);
}
return Result.SUCCESS;
} else {
return Result.FAILURE;
}
}
private void unregisterPushNotifications(Context context, Account account, ArbitraryDataProvider arbitraryDataProvider) {
String arbitraryDataPushString;
if (!TextUtils.isEmpty(arbitraryDataPushString = arbitraryDataProvider.getValue(
account, PushUtils.KEY_PUSH)) &&
!TextUtils.isEmpty(context.getResources().getString(R.string.push_server_url))) {
Gson gson = new Gson();
PushConfigurationState pushArbitraryData = gson.fromJson(arbitraryDataPushString,
PushConfigurationState.class);
pushArbitraryData.setShouldBeDeleted(true);
arbitraryDataProvider.storeOrUpdateKeyValue(account.name, PushUtils.KEY_PUSH,
gson.toJson(pushArbitraryData));
PushUtils.pushRegistrationToServer(userAccountManager, pushArbitraryData.getPushToken());
}
}
private void remoceSyncedFolders(Context context, Account account, Clock clock) {
SyncedFolderProvider syncedFolderProvider = new SyncedFolderProvider(context.getContentResolver(),
AppPreferencesImpl.fromContext(context),
clock);
List<SyncedFolder> syncedFolders = syncedFolderProvider.getSyncedFolders();
List<Long> syncedFolderIds = new ArrayList<>();
for (SyncedFolder syncedFolder : syncedFolders) {
if (syncedFolder.getAccount().equals(account.name)) {
syncedFolderIds.add(syncedFolder.getId());
}
}
syncedFolderProvider.deleteSyncFoldersForAccount(account);
FilesystemDataProvider filesystemDataProvider = new FilesystemDataProvider(context.getContentResolver());
for (long syncedFolderId : syncedFolderIds) {
filesystemDataProvider.deleteAllEntriesForSyncedFolder(Long.toString(syncedFolderId));
}
}
private void removeFiles(Account account, FileDataStorageManager storageManager) {
File tempDir = new File(FileStorageUtils.getTemporalPath(account.name));
File saveDir = new File(FileStorageUtils.getSavePath(account.name));
FileStorageUtils.deleteRecursively(tempDir, storageManager);
FileStorageUtils.deleteRecursively(saveDir, storageManager);
}
private void removeAccount(Account account, AccountManager accountManager) {
try {
AccountManagerFuture<Boolean> accountRemoval = accountManager.removeAccount(account, this, null);
boolean removal = accountRemoval.getResult();
if (!removal) {
Log_OC.e(this, "Account removal of " + account.name + " failed!");
}
} catch (Exception e) {
Log_OC.e(this, "Account removal of " + account.name + " failed!", e);
}
}
@Nullable
private OwnCloudClient createClient(Account account) {
OwnCloudClient client = null;
try {
OwnCloudAccount ocAccount = new OwnCloudAccount(account, MainApp.getAppContext());
client = OwnCloudClientManagerFactory.getDefaultSingleton().getClientFor(ocAccount,
MainApp.getAppContext());
} catch (Exception e) {
Log_OC.e(this, "Could not create client", e);
}
return client;
}
@Override
public void run(AccountManagerFuture<Boolean> future) {
if (future.isDone()) {
EventBus.getDefault().post(new AccountRemovedEvent());
}
}
}