app/src/main/java/net/ktnx/mobileledger/App.java

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe is free software: you can distribute it and/or modify it
   5  * under the term of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your opinion), any later version.
   8  *
   9  * MoLe is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License terms for details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger;
  19
  20 import android.app.Application;
  21 import android.content.SharedPreferences;
  22 import android.content.res.Configuration;
  23 import android.content.res.Resources;
  24 import android.database.sqlite.SQLiteDatabase;
  25 import android.preference.PreferenceManager;
  26 import android.util.Log;
  27
  28 import net.ktnx.mobileledger.model.Data;
  29 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  30 import net.ktnx.mobileledger.utils.Globals;
  31 import net.ktnx.mobileledger.utils.Logger;
  32 import net.ktnx.mobileledger.utils.MobileLedgerDatabase;
  33
  34 import java.net.Authenticator;
  35 import java.net.MalformedURLException;
  36 import java.net.PasswordAuthentication;
  37 import java.net.URL;
  38
  39 import static net.ktnx.mobileledger.ui.activity.SettingsActivity.PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS;
  40
  41 public class App extends Application {
  42     public static App instance;
  43     private MobileLedgerDatabase dbHelper;
  44     public static SQLiteDatabase getDatabase() {
  45         if (instance == null) throw new RuntimeException("Application not created yet");
  46
  47         return instance.getDB();
  48     }
  49     @Override
  50     public void onCreate() {
  51         Logger.debug("flow", "App onCreate()");
  52         instance = this;
  53         super.onCreate();
  54         updateMonthNames();
  55         SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(this);
  56         Data.optShowOnlyStarred.set(p.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false));
  57         SharedPreferences.OnSharedPreferenceChangeListener handler =
  58                 (preference, value) -> Data.optShowOnlyStarred
  59                         .set(preference.getBoolean(PREF_KEY_SHOW_ONLY_STARRED_ACCOUNTS, false));
  60         p.registerOnSharedPreferenceChangeListener(handler);
  61         Authenticator.setDefault(new Authenticator() {
  62             @Override
  63             protected PasswordAuthentication getPasswordAuthentication() {
  64                 MobileLedgerProfile p = Data.profile.getValue();
  65                 if ((p != null) && p.isAuthEnabled()) {
  66                     try {
  67                         final URL url = new URL(p.getUrl());
  68                         final String requestingHost = getRequestingHost();
  69                         final String expectedHost = url.getHost();
  70                         if (requestingHost.equalsIgnoreCase(expectedHost))
  71                             return new PasswordAuthentication(p.getAuthUserName(),
  72                                     p.getAuthPassword().toCharArray());
  73                         else Log.w("http-auth",
  74                                 String.format("Requesting host [%s] differs from expected [%s]",
  75                                         requestingHost, expectedHost));
  76                     }
  77                     catch (MalformedURLException e) {
  78                         e.printStackTrace();
  79                     }
  80                 }
  81
  82                 return super.getPasswordAuthentication();
  83             }
  84         });
  85     }
  86     private void updateMonthNames() {
  87         Resources rm = getResources();
  88         Globals.monthNames = rm.getStringArray(R.array.month_names);
  89     }
  90     @Override
  91     public void onTerminate() {
  92         Logger.debug("flow", "App onTerminate()");
  93         if (dbHelper != null) dbHelper.close();
  94         super.onTerminate();
  95     }
  96     @Override
  97     public void onConfigurationChanged(Configuration newConfig) {
  98         super.onConfigurationChanged(newConfig);
  99         updateMonthNames();
 100     }
 101     public SQLiteDatabase getDB() {
 102         if (dbHelper == null) initDb();
 103
 104         final SQLiteDatabase db = dbHelper.getWritableDatabase();
 105         db.execSQL("pragma case_sensitive_like=ON;");
 106
 107         return db;
 108     }
 109     private synchronized void initDb() {
 110         if (dbHelper != null) return;
 111
 112         dbHelper = new MobileLedgerDatabase(this);
 113     }
 114 }