1/*
2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors
15 * may be used to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30package eu.siacs.conversations.crypto;
31
32
33import android.content.Context;
34import android.content.SharedPreferences;
35import android.preference.PreferenceManager;
36
37import com.google.common.base.Strings;
38
39import eu.siacs.conversations.AppSettings;
40import eu.siacs.conversations.Config;
41import eu.siacs.conversations.R;
42import eu.siacs.conversations.entities.Message;
43
44public class OmemoSetting {
45
46 private static boolean always = false;
47 private static int encryption = Message.ENCRYPTION_AXOLOTL;
48
49 public static boolean isAlways() {
50 return always;
51 }
52
53 public static int getEncryption() {
54 return encryption;
55 }
56
57 public static void load(final Context context) {
58 if (Config.omemoOnly()) {
59 always = true;
60 encryption = Message.ENCRYPTION_AXOLOTL;
61 return;
62 }
63 final var appSettings = new AppSettings(context);
64 final var value = appSettings.getOmemo();
65 switch (Strings.nullToEmpty(value)) {
66 case "always":
67 always = true;
68 encryption = Message.ENCRYPTION_AXOLOTL;
69 break;
70 case "default_off":
71 always = false;
72 encryption = Message.ENCRYPTION_NONE;
73 break;
74 default:
75 always = false;
76 encryption = Message.ENCRYPTION_AXOLOTL;
77 break;
78
79 }
80 }
81}