E2EE setup with removing passphrase locally applied as per NC PR: nextcloud/android#11031 & library PR: nextcloud#1000

Author: surinder-tsys

library/src/main/java/com/owncloud/android/lib/resources/status/GetCapabilitiesRemoteOperation.java

@@ -159,6 +159,8 @@ public class GetCapabilitiesRemoteOperation extends RemoteOperation {
     private static final String NODE_USER_STATUS_ENABLED = "enabled";
     private static final String NODE_USER_STATUS_SUPPORTS_EMOJI = "supports_emoji";
 
+    // end to end encryption
+    private static final String PROPERTY_KEYS_EXIST = "keys-exist";
 
     private OCCapability currentCapability = null;
 
@@ -556,6 +558,19 @@ private OCCapability parseResponse(String response) throws JSONException {
                     } else {
                         capability.setEndToEndEncryption(CapabilityBooleanType.FALSE);
                     }
+
+                    if (respEndToEndEncryption.has(PROPERTY_KEYS_EXIST)) {
+                        final boolean keysExist = respEndToEndEncryption.getBoolean(PROPERTY_KEYS_EXIST);
+                        if (keysExist) {
+                            capability.setEndToEndEncryptionKeysExist(CapabilityBooleanType.TRUE);
+                        } else {
+                            capability.setEndToEndEncryptionKeysExist(CapabilityBooleanType.FALSE);
+                        }
+                    } else {
+                        capability.setEndToEndEncryptionKeysExist(CapabilityBooleanType.UNKNOWN);
+                    }
+
+
                     Log_OC.d(TAG, "*** Added " + NODE_END_TO_END_ENCRYPTION);
                 }
 

library/src/main/java/com/owncloud/android/lib/resources/status/OCCapability.kt

@@ -86,6 +86,7 @@ class OCCapability {
     var fullNextSearchFiles: CapabilityBooleanType? = null
 
     var endToEndEncryption = CapabilityBooleanType.UNKNOWN
+    var endToEndEncryptionKeysExist = CapabilityBooleanType.UNKNOWN
 
     // Richdocuments
     var richDocuments = CapabilityBooleanType.UNKNOWN