net.kayateia.lifestream.Network.java Source code

Introduction

Here is the source code for net.kayateia.lifestream.Network.java

Source

/**
LifeStream - Instant Photo Sharing
Copyright (C) 2014 Kayateia
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 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 net.kayateia.lifestream;

import java.io.IOException;
import java.net.URL;
import java.util.HashMap;

import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;

import com.google.android.gcm.GCMRegistrar;

public class Network {
    static final String LOG_TAG = "LifeStream/Login";

    static public synchronized String DoLogin(Context context, String userText, String passText) {
        Settings settings = new Settings(context);

        // See if we have a GCM ID first.
        String gcmId = settings.getGcmId();
        if (gcmId.equals(""))
            gcmId = GCMRegistrar.getRegistrationId(context);
        if (gcmId.equals("")) {
            // Request one. We'll pick up its contents and re-register later.
            GCMRegistrar.register(context, GCMIntentService.GCM_SENDER_ID);
        } else {
            String oldId = settings.getGcmId();
            if (!oldId.equals("") && !gcmId.equals(oldId)) {
                Log.w(LOG_TAG, "GCMRegistrar returned a different ID (" + gcmId + ") than we thought we had ("
                        + oldId + ")");
            }
        }
        Log.i(LOG_TAG, "Our GCM ID for user login is: " + gcmId);

        // Do we have an auth ID?
        String authId = settings.getAuthToken();
        if (authId.equals("")) {
            authId = userText + "+" + Settings.GetAndroidID(context);
        }

        // Now contact the LifeStream server.
        HashMap<String, String> parameters = new HashMap<String, String>();
        parameters.put("login", userText);
        parameters.put("pass", passText);
        parameters.put("gcm", gcmId);
        parameters.put("auth", authId);
        String resultText = "";
        try {
            String baseUrl = Settings.GetBaseUrl();
            resultText = HttpMultipartUpload.DownloadString(new URL(baseUrl + "login.php"), parameters, context);

            // Crack the JSON. If we can't parse it, we fail below. If we
            // parse it but get a 'message', we failed too. Otherwise we
            // should have some login info.
            JSONObject result = new JSONObject(resultText);
            String message = result.optString("message");
            if (message != null && message.length() > 0) {
                Log.e(LOG_TAG, "Couldn't log in: " + message);
                return null;
            }

            settings.setUserName(userText);
            settings.setPassword(passText);
            settings.setGcmId(gcmId);
            settings.setAuthToken(authId);
            settings.commit();

            return result.optString("name");
        } catch (IOException e) {
            Log.e(LOG_TAG, "Couldn't log in: " + e);
            return null;
        } catch (JSONException e) {
            Log.e(LOG_TAG, "Couldn't parse login response: " + resultText);
            return null;
        }
    }

    static public boolean IsActive(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
        if (activeNetwork == null)
            return false;
        else
            return activeNetwork.isConnectedOrConnecting();
    }
}