+++ /dev/null
-/* ownCloud Android client application
- * Copyright (C) 2012-2013 ownCloud Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2,
- * as published by the Free Software Foundation.
- *
- * 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-package com.owncloud.android.operations;
-
-import java.io.IOException;
-
-import org.apache.commons.httpclient.Credentials;
-
-import com.owncloud.android.Log_OC;
-import com.owncloud.android.MainApp;
-import com.owncloud.android.network.BearerCredentials;
-import com.owncloud.android.network.OwnCloudClientUtils;
-import com.owncloud.android.network.webdav.WebdavClient;
-import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
-
-import android.accounts.Account;
-import android.accounts.AccountManager;
-import android.accounts.AccountsException;
-import android.app.Activity;
-import android.content.Context;
-import android.os.Handler;
-
-
-/**
- * Operation which execution involves one or several interactions with an ownCloud server.
- *
- * Provides methods to execute the operation both synchronously or asynchronously.
- *
- * @author David A. Velasco
- */
-public abstract class RemoteOperation implements Runnable {
-
- private static final String TAG = RemoteOperation.class.getSimpleName();
-
- /** ownCloud account in the remote ownCloud server to operate */
- private Account mAccount = null;
-
- /** Android Application context */
- private Context mContext = null;
-
- /** Object to interact with the remote server */
- private WebdavClient mClient = null;
-
- /** Callback object to notify about the execution of the remote operation */
- private OnRemoteOperationListener mListener = null;
-
- /** Handler to the thread where mListener methods will be called */
- private Handler mListenerHandler = null;
-
- /** Activity */
- private Activity mCallerActivity;
-
-
- /**
- * Abstract method to implement the operation in derived classes.
- */
- protected abstract RemoteOperationResult run(WebdavClient client);
-
-
- /**
- * Synchronously executes the remote operation on the received ownCloud account.
- *
- * Do not call this method from the main thread.
- *
- * This method should be used whenever an ownCloud account is available, instead of {@link #execute(WebdavClient)}.
- *
- * @param account ownCloud account in remote ownCloud server to reach during the execution of the operation.
- * @param context Android context for the component calling the method.
- * @return Result of the operation.
- */
- public final RemoteOperationResult execute(Account account, Context context) {
- if (account == null)
- throw new IllegalArgumentException("Trying to execute a remote operation with a NULL Account");
- if (context == null)
- throw new IllegalArgumentException("Trying to execute a remote operation with a NULL Context");
- mAccount = account;
- mContext = context.getApplicationContext();
- try {
- mClient = OwnCloudClientUtils.createOwnCloudClient(mAccount, mContext);
- } catch (Exception e) {
- Log_OC.e(TAG, "Error while trying to access to " + mAccount.name, e);
- return new RemoteOperationResult(e);
- }
- return run(mClient);
- }
-
-
- /**
- * Synchronously executes the remote operation
- *
- * Do not call this method from the main thread.
- *
- * @param client Client object to reach an ownCloud server during the execution of the operation.
- * @return Result of the operation.
- */
- public final RemoteOperationResult execute(WebdavClient client) {
- if (client == null)
- throw new IllegalArgumentException("Trying to execute a remote operation with a NULL WebdavClient");
- mClient = client;
- return run(client);
- }
-
-
- /**
- * Asynchronously executes the remote operation
- *
- * This method should be used whenever an ownCloud account is available, instead of {@link #execute(WebdavClient)}.
- *
- * @param account ownCloud account in remote ownCloud server to reach during the execution of the operation.
- * @param context Android context for the component calling the method.
- * @param listener Listener to be notified about the execution of the operation.
- * @param listenerHandler Handler associated to the thread where the methods of the listener objects must be called.
- * @return Thread were the remote operation is executed.
- */
- public final Thread execute(Account account, Context context, OnRemoteOperationListener listener, Handler listenerHandler, Activity callerActivity) {
- if (account == null)
- throw new IllegalArgumentException("Trying to execute a remote operation with a NULL Account");
- if (context == null)
- throw new IllegalArgumentException("Trying to execute a remote operation with a NULL Context");
- mAccount = account;
- mContext = context.getApplicationContext();
- mCallerActivity = callerActivity;
- mClient = null; // the client instance will be created from mAccount and mContext in the runnerThread to create below
-
- mListener = listener;
-
- mListenerHandler = listenerHandler;
-
- Thread runnerThread = new Thread(this);
- runnerThread.start();
- return runnerThread;
- }
-
-
- /**
- * Asynchronously executes the remote operation
- *
- * @param client Client object to reach an ownCloud server during the execution of the operation.
- * @param listener Listener to be notified about the execution of the operation.
- * @param listenerHandler Handler associated to the thread where the methods of the listener objects must be called.
- * @return Thread were the remote operation is executed.
- */
- public final Thread execute(WebdavClient client, OnRemoteOperationListener listener, Handler listenerHandler) {
- if (client == null) {
- throw new IllegalArgumentException("Trying to execute a remote operation with a NULL WebdavClient");
- }
- mClient = client;
-
- if (listener == null) {
- throw new IllegalArgumentException("Trying to execute a remote operation asynchronously without a listener to notiy the result");
- }
- mListener = listener;
-
- if (listenerHandler == null) {
- throw new IllegalArgumentException("Trying to execute a remote operation asynchronously without a handler to the listener's thread");
- }
- mListenerHandler = listenerHandler;
-
- Thread runnerThread = new Thread(this);
- runnerThread.start();
- return runnerThread;
- }
-
- /**
- * Synchronously retries the remote operation using the same WebdavClient in the last call to {@link RemoteOperation#execute(WebdavClient)}
- *
- * @param listener Listener to be notified about the execution of the operation.
- * @param listenerHandler Handler associated to the thread where the methods of the listener objects must be called.
- * @return Thread were the remote operation is executed.
- */
- public final RemoteOperationResult retry() {
- return execute(mClient);
- }
-
- /**
- * Asynchronously retries the remote operation using the same WebdavClient in the last call to {@link RemoteOperation#execute(WebdavClient, OnRemoteOperationListener, Handler)}
- *
- * @param listener Listener to be notified about the execution of the operation.
- * @param listenerHandler Handler associated to the thread where the methods of the listener objects must be called.
- * @return Thread were the remote operation is executed.
- */
- public final Thread retry(OnRemoteOperationListener listener, Handler listenerHandler) {
- return execute(mClient, listener, listenerHandler);
- }
-
-
- /**
- * Asynchronous execution of the operation
- * started by {@link RemoteOperation#execute(WebdavClient, OnRemoteOperationListener, Handler)},
- * and result posting.
- *
- * TODO refactor && clean the code; now it's a mess
- */
- @Override
- public final void run() {
- RemoteOperationResult result = null;
- boolean repeat = false;
- do {
- try{
- if (mClient == null) {
- if (mAccount != null && mContext != null) {
- if (mCallerActivity != null) {
- mClient = OwnCloudClientUtils.createOwnCloudClient(mAccount, mContext, mCallerActivity);
- } else {
- mClient = OwnCloudClientUtils.createOwnCloudClient(mAccount, mContext);
- }
- } else {
- throw new IllegalStateException("Trying to run a remote operation asynchronously with no client instance or account");
- }
- }
-
- } catch (IOException e) {
- Log_OC.e(TAG, "Error while trying to access to " + mAccount.name, new AccountsException("I/O exception while trying to authorize the account", e));
- result = new RemoteOperationResult(e);
-
- } catch (AccountsException e) {
- Log_OC.e(TAG, "Error while trying to access to " + mAccount.name, e);
- result = new RemoteOperationResult(e);
- }
-
- if (result == null)
- result = run(mClient);
-
- repeat = false;
- if (mCallerActivity != null && mAccount != null && mContext != null && !result.isSuccess() &&
-// (result.getCode() == ResultCode.UNAUTHORIZED || (result.isTemporalRedirection() && result.isIdPRedirection()))) {
- (result.getCode() == ResultCode.UNAUTHORIZED || result.isIdPRedirection())) {
- /// possible fail due to lack of authorization in an operation performed in foreground
- Credentials cred = mClient.getCredentials();
- String ssoSessionCookie = mClient.getSsoSessionCookie();
- if (cred != null || ssoSessionCookie != null) {
- /// confirmed : unauthorized operation
- AccountManager am = AccountManager.get(mContext);
- boolean bearerAuthorization = (cred != null && cred instanceof BearerCredentials);
- boolean samlBasedSsoAuthorization = (cred == null && ssoSessionCookie != null);
- if (bearerAuthorization) {
- am.invalidateAuthToken(MainApp.getAccountType(), ((BearerCredentials)cred).getAccessToken());
- } else if (samlBasedSsoAuthorization ) {
- am.invalidateAuthToken(MainApp.getAccountType(), ssoSessionCookie);
- } else {
- am.clearPassword(mAccount);
- }
- mClient = null;
- repeat = true; // when repeated, the creation of a new OwnCloudClient after erasing the saved credentials will trigger the login activity
- result = null;
- }
- }
- } while (repeat);
-
- final RemoteOperationResult resultToSend = result;
- if (mListenerHandler != null && mListener != null) {
- mListenerHandler.post(new Runnable() {
- @Override
- public void run() {
- mListener.onRemoteOperationFinish(RemoteOperation.this, resultToSend);
- }
- });
- }
- }
-
-
- /**
- * Returns the current client instance to access the remote server.
- *
- * @return Current client instance to access the remote server.
- */
- public final WebdavClient getClient() {
- return mClient;
- }
-
-
-}
projects / pub / Android / ownCloud.git / blobdiff