From 06949b76490736783520d783f0ec889e58707062 Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian.schneppe@pix-art.de>
Date: Sat, 2 Nov 2019 17:18:45 +0100
Subject: introduce setting to completely disable (OMEMO) encryption

---
 src/main/java/de/pixart/messenger/crypto/OmemoSetting.java  | 13 +++++++++++++
 .../java/de/pixart/messenger/entities/Conversation.java     |  3 +++
 src/main/java/de/pixart/messenger/ui/SettingsActivity.java  |  3 +++
 .../messenger/ui/util/ConversationMenuConfigurator.java     |  2 +-
 4 files changed, 20 insertions(+), 1 deletion(-)

(limited to 'src/main/java/de')

diff --git a/src/main/java/de/pixart/messenger/crypto/OmemoSetting.java b/src/main/java/de/pixart/messenger/crypto/OmemoSetting.java
index 19fd6f9c0..973b44545 100644
--- a/src/main/java/de/pixart/messenger/crypto/OmemoSetting.java
+++ b/src/main/java/de/pixart/messenger/crypto/OmemoSetting.java
@@ -39,12 +39,17 @@ import de.pixart.messenger.ui.SettingsActivity;
 public class OmemoSetting {
 
     private static boolean always = false;
+    private static boolean never = false;
     private static int encryption = Message.ENCRYPTION_AXOLOTL;
 
     public static boolean isAlways() {
         return always;
     }
 
+    public static boolean isNever() {
+        return never;
+    }
+
     public static int getEncryption() {
         return encryption;
     }
@@ -54,14 +59,22 @@ public class OmemoSetting {
         switch (value) {
             case "always":
                 always = true;
+                never = false;
                 encryption = Message.ENCRYPTION_AXOLOTL;
                 break;
             case "default_on":
                 always = false;
+                never = false;
                 encryption = Message.ENCRYPTION_AXOLOTL;
                 break;
+            case "always_off":
+                always = false;
+                never = true;
+                encryption = Message.ENCRYPTION_NONE;
+                break;
             default:
                 always = false;
+                never = false;
                 encryption = Message.ENCRYPTION_NONE;
                 break;
 
diff --git a/src/main/java/de/pixart/messenger/entities/Conversation.java b/src/main/java/de/pixart/messenger/entities/Conversation.java
index b20976316..cc0d5525f 100644
--- a/src/main/java/de/pixart/messenger/entities/Conversation.java
+++ b/src/main/java/de/pixart/messenger/entities/Conversation.java
@@ -805,6 +805,9 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
         if (OmemoSetting.isAlways()) {
             return suitableForOmemoByDefault(this) ? Message.ENCRYPTION_AXOLOTL : Message.ENCRYPTION_NONE;
         }
+        if (OmemoSetting.isNever()) {
+            return Message.ENCRYPTION_NONE;
+        }
         final int defaultEncryption;
         if (suitableForOmemoByDefault(this)) {
             defaultEncryption = OmemoSetting.getEncryption();
diff --git a/src/main/java/de/pixart/messenger/ui/SettingsActivity.java b/src/main/java/de/pixart/messenger/ui/SettingsActivity.java
index e57030a61..419785ecf 100644
--- a/src/main/java/de/pixart/messenger/ui/SettingsActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/SettingsActivity.java
@@ -370,6 +370,9 @@ public class SettingsActivity extends XmppActivity implements
                 case "default_off":
                     omemoPreference.setSummary(R.string.pref_omemo_setting_summary_default_off);
                     break;
+                case "always_off":
+                    omemoPreference.setSummary(R.string.pref_omemo_setting_summary_always_off);
+                    break;
             }
         } else {
             Log.d(Config.LOGTAG, "unable to find preference named " + OMEMO_SETTING);
diff --git a/src/main/java/de/pixart/messenger/ui/util/ConversationMenuConfigurator.java b/src/main/java/de/pixart/messenger/ui/util/ConversationMenuConfigurator.java
index fd5a5c441..cb4211b1e 100644
--- a/src/main/java/de/pixart/messenger/ui/util/ConversationMenuConfigurator.java
+++ b/src/main/java/de/pixart/messenger/ui/util/ConversationMenuConfigurator.java
@@ -106,7 +106,7 @@ public class ConversationMenuConfigurator {
         final int next = conversation.getNextEncryption();
 
         boolean visible;
-        if (OmemoSetting.isAlways()) {
+        if (OmemoSetting.isAlways() || OmemoSetting.isNever()) {
             visible = false;
         } else if (conversation.getMode() == Conversation.MODE_MULTI) {
             if (next == Message.ENCRYPTION_NONE && !conversation.isPrivateAndNonAnonymous() && !conversation.getBooleanAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, false)) {
-- 
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