/**
* Displays some useful info about the account, to demonstrate that we've successfully logged in
*
* @param account
*/
public void action(DropboxAPI.Account account) {
synchronized (this) {
if (account != null) {
Intent intent = getIntent();
int contact_id = intent.getIntExtra("action", -1);
DBHelper mHelper = new DBHelper(this);
mHelper.getReadableDatabase().close();
File data = Environment.getDataDirectory();
String currentDBPath =
"/data/edu.stanford.mobisocial.dungbeetle/databases/" + DBHelper.DB_NAME;
File currentDB = new File(data, currentDBPath);
String newDBPath =
"/data/edu.stanford.mobisocial.dungbeetle/databases/" + DBHelper.DB_NAME + ".new";
File newDB = new File(data, newDBPath);
if (contact_id == 0) {
api.delete("dropbox", "/" + DBHelper.DB_NAME);
api.putFile("dropbox", "/", currentDB);
showToast("backed up");
} else if (contact_id == 1) {
try {
downloadDropboxFile(DBHelper.DB_NAME, newDB);
mHelper.importDatabase(newDBPath);
showToast("restored");
} catch (Exception e) {
showToast("could not restore");
}
}
finish();
}
}
}
private void getAccountInfo() {
if (api.isAuthenticated()) {
// If we're already authenticated, we don't need to get the login info
dialog.show();
LoginAsyncTask login = new LoginAsyncTask(this, null, null, getConfig(), dialog);
login.execute();
} else {
String email = mLoginEmail.getText().toString();
if (email.length() < 5 || email.indexOf("@") < 0 || email.indexOf(".") < 0) {
showToast("Error, invalid e-mail");
return;
}
String password = mLoginPassword.getText().toString();
if (password.length() < 6) {
showToast("Error, password too short");
return;
}
// It's good to do Dropbox API (and any web API) calls in a separate thread,
// so we don't get a force-close due to the UI thread stalling.
dialog.show();
LoginAsyncTask login = new LoginAsyncTask(this, email, password, getConfig(), dialog);
login.execute();
}
}
protected Config getConfig() {
if (mConfig == null) {
mConfig = api.getConfig(null, false);
// TODO On a production app which you distribute, your consumer
// key and secret should be obfuscated somehow.
mConfig.consumerKey = CONSUMER_KEY;
mConfig.consumerSecret = CONSUMER_SECRET;
mConfig.server = "api.dropbox.com";
mConfig.contentServer = "api-content.dropbox.com";
mConfig.port = 80;
}
return mConfig;
}
/**
* This handles authentication if the user's token & secret are stored locally, so we don't have
* to store user-name & password and re-send every time.
*/
protected boolean authenticate() {
if (mConfig == null) {
mConfig = getConfig();
}
String keys[] = getKeys();
if (keys != null) {
mConfig = api.authenticateToken(keys[0], keys[1], mConfig);
if (mConfig != null) {
return true;
}
}
showToast("Failed user authentication for stored login tokens.");
clearKeys();
setLoggedIn(false);
return false;
}
private boolean downloadDropboxFile(String dbPath, File localFile) throws IOException {
BufferedInputStream br = null;
BufferedOutputStream bw = null;
try {
if (!localFile.exists()) {
localFile.createNewFile(); // otherwise dropbox client will fail silently
// showToast("initial length: " + localFile.length());
}
FileDownload fd = api.getFileStream("dropbox", "/" + dbPath, null);
br = new BufferedInputStream(fd.is);
bw = new BufferedOutputStream(new FileOutputStream(localFile));
byte[] buffer = new byte[4096];
int read;
while (true) {
read = br.read(buffer);
if (read <= 0) {
break;
}
bw.write(buffer, 0, read);
}
} finally {
// in finally block:
if (bw != null) {
bw.close();
}
if (br != null) {
br.close();
}
}
// showToast("length: " + localFile.length());
return true;
}