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[mobile-ledger.git] / 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 }