add trust to identity table

app/schemas/im.conversations.android.database.ConversationsDatabase/1.json

@@ -2,7 +2,7 @@
   "formatVersion": 1,
   "database": {
     "version": 1,
-    "identityHash": "983b8fb918cf0019a31e3a59b37dc368",
+    "identityHash": "8f66e4197a1676d0164aa77eea8f2a20",
     "entities": [
       {
         "tableName": "account",
@@ -432,7 +432,7 @@
       },
       {
         "tableName": "axolotl_identity",
-        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT, `accountId` INTEGER NOT NULL, `address` TEXT NOT NULL, `deviceId` INTEGER NOT NULL, `identityKey` BLOB NOT NULL, FOREIGN KEY(`accountId`) REFERENCES `account`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT, `accountId` INTEGER NOT NULL, `address` TEXT NOT NULL, `deviceId` INTEGER NOT NULL, `identityKey` BLOB NOT NULL, `trust` TEXT NOT NULL, FOREIGN KEY(`accountId`) REFERENCES `account`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )",
         "fields": [
           {
             "fieldPath": "id",
@@ -463,6 +463,12 @@
             "columnName": "identityKey",
             "affinity": "BLOB",
             "notNull": true
+          },
+          {
+            "fieldPath": "trust",
+            "columnName": "trust",
+            "affinity": "TEXT",
+            "notNull": true
           }
         ],
         "primaryKey": {
@@ -2370,7 +2376,7 @@
     "views": [],
     "setupQueries": [
       "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
-      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '983b8fb918cf0019a31e3a59b37dc368')"
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '8f66e4197a1676d0164aa77eea8f2a20')"
     ]
   }
 }

app/src/androidTest/java/im/conversations/android/xmpp/MessageTransformationTest.java

@@ -46,7 +46,7 @@ public class MessageTransformationTest {
 
     @Before
     public void setupTransformer() throws ExecutionException, InterruptedException {
-        Context context = ApplicationProvider.getApplicationContext();
+        final Context context = ApplicationProvider.getApplicationContext();
         this.database = Room.inMemoryDatabaseBuilder(context, ConversationsDatabase.class).build();
         final var account = new AccountEntity();
         account.address = ACCOUNT;

app/src/main/java/im/conversations/android/database/AxolotlDatabaseStore.java

@@ -4,6 +4,7 @@ import im.conversations.android.AbstractAccountService;
 import im.conversations.android.axolotl.AxolotlAddress;
 import im.conversations.android.database.dao.AxolotlDao;
 import im.conversations.android.database.model.Account;
+import im.conversations.android.database.model.Trust;
 import java.util.List;
 import org.whispersystems.libsignal.IdentityKey;
 import org.whispersystems.libsignal.IdentityKeyPair;
@@ -39,8 +40,24 @@ public class AxolotlDatabaseStore extends AbstractAccountService implements Sign
     public boolean saveIdentity(
             final SignalProtocolAddress signalProtocolAddress, IdentityKey identityKey) {
         final var address = AxolotlAddress.cast(signalProtocolAddress);
+        final boolean isBTBVEnabled = true;
+        return database.runInTransaction(
+                () -> {
+                    final Trust trust;
+                    if (!isBTBVEnabled
+                            || axolotlDao().isAnyIdentityVerified(account, address.getJid())) {
+                        trust = Trust.UNDECIDED;
+                    } else {
+                        trust = Trust.TRUSTED;
+                    }
                     return axolotlDao()
-                .setIdentity(account, address.getJid(), address.getDeviceId(), identityKey);
+                            .setIdentity(
+                                    account,
+                                    address.getJid(),
+                                    address.getDeviceId(),
+                                    identityKey,
+                                    trust);
+                });
     }
 
     @Override

app/src/main/java/im/conversations/android/database/dao/AxolotlDao.java

@@ -15,7 +15,9 @@ import im.conversations.android.database.entity.AxolotlPreKeyEntity;
 import im.conversations.android.database.entity.AxolotlSessionEntity;
 import im.conversations.android.database.entity.AxolotlSignedPreKeyEntity;
 import im.conversations.android.database.model.Account;
+import im.conversations.android.database.model.Trust;
 import im.conversations.android.xmpp.model.error.Condition;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.Set;
@@ -123,16 +125,31 @@ public abstract class AxolotlDao {
 
     @Transaction
     public boolean setIdentity(
-            Account account, BareJid address, int deviceId, IdentityKey identityKey) {
+            final Account account,
+            final BareJid address,
+            final int deviceId,
+            final IdentityKey identityKey,
+            final Trust trust) {
         final var existing = getIdentityKey(account.id, address, deviceId);
         if (existing == null || !existing.equals(identityKey)) {
-            insert(AxolotlIdentityEntity.of(account, address, deviceId, identityKey));
+            insert(AxolotlIdentityEntity.of(account, address, deviceId, identityKey, trust));
             return true;
         } else {
             return false;
         }
     }
 
+    public boolean isAnyIdentityVerified(final Account account, final BareJid address) {
+        return isAnyIdentityTrustStatus(
+                account.id, address, Arrays.asList(Trust.VERIFIED, Trust.VERIFIED_X509));
+    }
+
+    @Query(
+            "SELECT EXISTS (SELECT id FROM axolotl_identity WHERE accountId=:account AND"
+                    + " address=:address AND trust IN(:trusts))")
+    abstract boolean isAnyIdentityTrustStatus(
+            long account, BareJid address, Collection<Trust> trusts);
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     protected abstract void insert(AxolotlIdentityEntity axolotlIdentityEntity);
 

app/src/main/java/im/conversations/android/database/entity/AxolotlIdentityEntity.java

@@ -6,6 +6,7 @@ import androidx.room.ForeignKey;
 import androidx.room.Index;
 import androidx.room.PrimaryKey;
 import im.conversations.android.database.model.Account;
+import im.conversations.android.database.model.Trust;
 import org.jxmpp.jid.BareJid;
 import org.whispersystems.libsignal.IdentityKey;
 
@@ -35,13 +36,16 @@ public class AxolotlIdentityEntity {
 
     @NonNull public IdentityKey identityKey;
 
+    @NonNull public Trust trust;
+
     public static AxolotlIdentityEntity of(
-            Account account, BareJid address, int deviceId, IdentityKey identityKey) {
+            Account account, BareJid address, int deviceId, IdentityKey identityKey, Trust trust) {
         final var entity = new AxolotlIdentityEntity();
         entity.accountId = account.id;
         entity.address = address;
         entity.deviceId = deviceId;
         entity.identityKey = identityKey;
+        entity.trust = trust;
         return entity;
     }
 }

app/src/main/java/im/conversations/android/database/model/Trust.java

@@ -0,0 +1,10 @@
+package im.conversations.android.database.model;
+
+public enum Trust {
+    COMPROMISED,
+    UNDECIDED,
+    UNTRUSTED,
+    TRUSTED,
+    VERIFIED,
+    VERIFIED_X509
+}