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

   1 /*
   2  * Copyright © 2024 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.util.Log;
  25
  26 import net.ktnx.mobileledger.model.Data;
  27 import net.ktnx.mobileledger.ui.profiles.ProfileDetailModel;
  28 import net.ktnx.mobileledger.utils.Colors;
  29 import net.ktnx.mobileledger.utils.Globals;
  30 import net.ktnx.mobileledger.utils.Logger;
  31
  32 import org.jetbrains.annotations.NotNull;
  33
  34 import java.net.Authenticator;
  35 import java.net.MalformedURLException;
  36 import java.net.PasswordAuthentication;
  37 import java.net.URL;
  38 import java.util.Locale;
  39
  40 public class App extends Application {
  41     public static final String PREF_NAME = "MoLe";
  42     public static final String PREF_THEME_HUE = "theme-hue";
  43     public static final String PREF_PROFILE_ID = "profile-id";
  44     public static final String PREF_SHOW_ZERO_BALANCE_ACCOUNTS = "show-zero-balance-accounts";
  45     public static App instance;
  46     private static ProfileDetailModel profileModel;
  47     private boolean monthNamesPrepared = false;
  48     public static void prepareMonthNames() {
  49         instance.prepareMonthNames(false);
  50     }
  51     public static void setAuthenticationDataFromProfileModel(ProfileDetailModel model) {
  52         profileModel = model;
  53     }
  54     public static void resetAuthenticationData() {
  55         profileModel = null;
  56     }
  57     public static void storeStartupProfileAndTheme(long currentProfileId, int currentTheme) {
  58         SharedPreferences prefs = instance.getSharedPreferences(PREF_NAME, MODE_PRIVATE);
  59         SharedPreferences.Editor editor = prefs.edit();
  60         editor.putLong(PREF_PROFILE_ID, currentProfileId);
  61         editor.putInt(PREF_THEME_HUE, currentTheme);
  62         editor.apply();
  63     }
  64     public static long getStartupProfile() {
  65         SharedPreferences prefs = instance.getSharedPreferences(PREF_NAME, MODE_PRIVATE);
  66         return prefs.getLong(PREF_PROFILE_ID, -1);
  67     }
  68     public static int getStartupTheme() {
  69         SharedPreferences prefs = instance.getSharedPreferences(PREF_NAME, MODE_PRIVATE);
  70         return prefs.getInt(PREF_THEME_HUE, Colors.DEFAULT_HUE_DEG);
  71     }
  72     public static boolean getShowZeroBalanceAccounts() {
  73         SharedPreferences prefs = instance.getSharedPreferences(PREF_NAME, MODE_PRIVATE);
  74         return prefs.getBoolean(PREF_SHOW_ZERO_BALANCE_ACCOUNTS, true);
  75     }
  76     public static void storeShowZeroBalanceAccounts(boolean value) {
  77         SharedPreferences prefs = instance.getSharedPreferences(PREF_NAME, MODE_PRIVATE);
  78         SharedPreferences.Editor editor = prefs.edit();
  79         editor.putBoolean(PREF_SHOW_ZERO_BALANCE_ACCOUNTS, value);
  80         editor.apply();
  81     }
  82     private String getAuthURL() {
  83         if (profileModel != null)
  84             return profileModel.getUrl();
  85         return Data.getProfile()
  86                    .getUrl();
  87     }
  88     private String getAuthUserName() {
  89         if (profileModel != null)
  90             return profileModel.getAuthUserName();
  91         return Data.getProfile()
  92                    .getAuthUser();
  93     }
  94     private String getAuthPassword() {
  95         if (profileModel != null)
  96             return profileModel.getAuthPassword();
  97         return Data.getProfile()
  98                    .getAuthPassword();
  99     }
 100     private boolean getAuthEnabled() {
 101         if (profileModel != null)
 102             return profileModel.getUseAuthentication();
 103         return Data.getProfile()
 104                    .useAuthentication();
 105     }
 106     @Override
 107     public void onCreate() {
 108         Logger.debug("flow", "App onCreate()");
 109         instance = this;
 110         super.onCreate();
 111         Data.refreshCurrencyData(Locale.getDefault());
 112         Authenticator.setDefault(new Authenticator() {
 113             @Override
 114             protected PasswordAuthentication getPasswordAuthentication() {
 115                 if (getAuthEnabled()) {
 116                     try {
 117                         final URL url = new URL(getAuthURL());
 118                         final String requestingHost = getRequestingHost();
 119                         final String expectedHost = url.getHost();
 120                         if (requestingHost.equalsIgnoreCase(expectedHost))
 121                             return new PasswordAuthentication(getAuthUserName(),
 122                                     getAuthPassword().toCharArray());
 123                         else
 124                             Log.w("http-auth",
 125                                     String.format("Requesting host [%s] differs from expected [%s]",
 126                                             requestingHost, expectedHost));
 127                     }
 128                     catch (MalformedURLException e) {
 129                         e.printStackTrace();
 130                     }
 131                 }
 132
 133                 return super.getPasswordAuthentication();
 134             }
 135         });
 136     }
 137     private void prepareMonthNames(boolean force) {
 138         if (force || monthNamesPrepared)
 139             return;
 140         Resources rm = getResources();
 141         Globals.monthNames = rm.getStringArray(R.array.month_names);
 142         monthNamesPrepared = true;
 143     }
 144     @Override
 145     public void onConfigurationChanged(@NotNull Configuration newConfig) {
 146         super.onConfigurationChanged(newConfig);
 147         prepareMonthNames(true);
 148         Data.refreshCurrencyData(Locale.getDefault());
 149         Data.locale.setValue(Locale.getDefault());
 150     }
 151 }