/*
* Copyright (c) 2012, Codename One and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Codename One designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Codename One through http://www.codenameone.com/ if you
* need additional information or have any questions.
*/
package com.codename1.cloud;
import com.codename1.io.ConnectionRequest;
import com.codename1.io.NetworkManager;
import com.codename1.io.Preferences;
import com.codename1.io.Util;
import com.codename1.ui.Display;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
/**
* A persona represents a user of the cloud, this is an optional feature that allows
* data to be limited to a specific user on the server side.
*
* @author Shai Almog
* @deprecated the cloud storage API is no longer supported, we recommend switching to a solution such as parse4cn1
*/
public class CloudPersona {
private String persona;
private static CloudPersona instance;
private CloudPersona() {
}
/**
* This method returns the currently logged in persona or a blank persona
* (token would be null)
*
* @return the current persona
*/
public static CloudPersona getCurrentPersona() {
if(instance == null) {
instance = new CloudPersona();
instance.persona = Preferences.get("CN1Persona", null);
}
return instance;
}
/**
* Returns a unique login token that represents the current user and his password, while this login token shouldn't
* be user visible (it's a password too!) it can be transfered to a different device to give
* them both identical user role and joined access.
* @return a persona UID
*/
public String getToken() {
return persona;
}
/**
* Initializes the persona based on a token, since this method assumes binary transfer of a completed
* token the token isn't verified in any way and the user is considered logged in.
* @param token the token
*/
public static void createFromToken(String token) {
if(instance == null) {
instance = new CloudPersona();
}
instance.persona = token;
Preferences.set("CN1Persona", token);
}
/**
* Creates an anonymous persona that will be unique in the cloud, NEVER logout an anonymous user!
* @return false in case login failed e.g. due to bad network connection
*/
public static boolean createAnonymous() {
if(instance == null) {
getCurrentPersona();
}
ConnectionRequest login = new ConnectionRequest();
login.setPost(true);
login.setUrl(CloudStorage.SERVER_URL + "/objStoreUser");
login.addArgument("pk", Display.getInstance().getProperty("package_name", null));
login.addArgument("bb", Display.getInstance().getProperty("built_by_user", null));
NetworkManager.getInstance().addToQueueAndWait(login);
if(login.getResposeCode() != 200) {
return false;
}
ByteArrayInputStream bi = new ByteArrayInputStream(login.getResponseData());
DataInputStream di = new DataInputStream(bi);
if(instance == null) {
instance = new CloudPersona();
}
try {
instance.persona = di.readUTF();
} catch (IOException ex) {
ex.printStackTrace();
}
Preferences.set("CN1Persona", instance.persona);
Preferences.set("CN1PersonaAnonymous", true);
Util.cleanup(di);
return true;
}
/**
* Creates a new user if a user isn't occupying the given login already,
* if the user exists performs a login operation.
*
* @param login a user name
* @param password a password
* @return true if the login is successful false otherwise
*/
public static boolean createOrLogin(String login, String password) {
if(instance == null) {
getCurrentPersona();
if(instance.persona != null) {
return true;
}
}
ConnectionRequest loginRequest = new ConnectionRequest();
loginRequest.setPost(true);
loginRequest.setUrl(CloudStorage.SERVER_URL + "/objStoreUser");
loginRequest.addArgument("l", login);
loginRequest.addArgument("p", password);
loginRequest.addArgument("pk", Display.getInstance().getProperty("package_name", null));
loginRequest.addArgument("bb", Display.getInstance().getProperty("built_by_user", null));
NetworkManager.getInstance().addToQueueAndWait(loginRequest);
if(loginRequest.getResposeCode() != 200) {
return false;
}
ByteArrayInputStream bi = new ByteArrayInputStream(loginRequest.getResponseData());
DataInputStream di = new DataInputStream(bi);
try {
if(di.readBoolean()) {
if(instance == null) {
instance = new CloudPersona();
}
instance.persona = di.readUTF();
Preferences.set("CN1Persona", instance.persona);
Util.cleanup(di);
} else {
Util.cleanup(di);
return false;
}
} catch (IOException ex) {
ex.printStackTrace();
}
return true;
}
/**
* Logs out the current user, notice that with an anonymous user this will effectively KILL all
* the data in the cloud!
*/
public void logout() {
if(Preferences.get("CN1PersonaAnonymous", false)) {
throw new RuntimeException("Anonymous personas can't be logged out!");
}
Preferences.delete("CN1Persona");
}
}