Return a Manager from ProvisioningManager and RegistrationManager when finished

lib/src/main/java/org/asamk/signal/manager/ProvisioningManager.java

@@ -92,7 +92,7 @@ public class ProvisioningManager {
         return new DeviceLinkInfo(deviceUuid, identityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
     }
 
-    public String finishDeviceLink(String deviceName) throws IOException, InvalidKeyException, TimeoutException, UserAlreadyExists {
+    public Manager finishDeviceLink(String deviceName) throws IOException, InvalidKeyException, TimeoutException, UserAlreadyExists {
         var ret = accountManager.finishNewDeviceRegistration(identityKey, false, true, registrationId, deviceName);
 
         var username = ret.getNumber();
@@ -114,17 +114,21 @@ public class ProvisioningManager {
             }
         }
 
-        try (var account = SignalAccount.createLinkedAccount(pathConfig.getDataPath(),
+        SignalAccount account = null;
+        try {
+            account = SignalAccount.createLinkedAccount(pathConfig.getDataPath(),
                     username,
                     ret.getUuid(),
                     password,
                     ret.getDeviceId(),
                     ret.getIdentity(),
                     registrationId,
-                profileKey)) {
+                    profileKey);
             account.save();
 
-            try (var m = new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent)) {
+            Manager m = null;
+            try {
+                m = new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 
                 try {
                     m.refreshPreKeys();
@@ -144,12 +148,22 @@ public class ProvisioningManager {
                     throw e;
                 }
 
-                m.close(false);
-            }
-
                 account.save();
-        }
 
-        return username;
+                final var result = m;
+                account = null;
+                m = null;
+
+                return result;
+            } finally {
+                if (m != null) {
+                    m.close();
+                }
+            }
+        } finally {
+            if (account != null) {
+                account.close();
+            }
+        }
     }
 }

lib/src/main/java/org/asamk/signal/manager/RegistrationManager.java

@@ -128,7 +128,7 @@ public class RegistrationManager implements Closeable {
         account.save();
     }
 
-    public void verifyAccount(
+    public Manager verifyAccount(
             String verificationCode, String pin
     ) throws IOException, KeyBackupSystemNoDataException, KeyBackupServicePinException {
         verificationCode = verificationCode.replace("-", "");
@@ -169,14 +169,24 @@ public class RegistrationManager implements Closeable {
                         account.getSignalProtocolStore().getIdentityKeyPair().getPublicKey(),
                         TrustLevel.TRUSTED_VERIFIED);
 
-        try (var m = new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent)) {
+        Manager m = null;
+        try {
+            m = new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 
             m.refreshPreKeys();
 
-            m.close(false);
-        }
-
             account.save();
+
+            final var result = m;
+            account = null;
+            m = null;
+
+            return result;
+        } finally {
+            if (m != null) {
+                m.close();
+            }
+        }
     }
 
     private VerifyAccountResponse verifyAccountWithCode(

src/main/java/org/asamk/signal/commands/LinkCommand.java

@@ -38,8 +38,9 @@ public class LinkCommand implements ProvisioningCommand {
         }
         try {
             writer.println("{}", m.getDeviceLinkUri());
-            var username = m.finishDeviceLink(deviceName);
+            try (var manager = m.finishDeviceLink(deviceName)) {
-            writer.println("Associated with: {}", username);
+                writer.println("Associated with: {}", manager.getUsername());
+            }
         } catch (TimeoutException e) {
             throw new UserErrorException("Link request timed out, please try again.");
         } catch (IOException e) {

src/main/java/org/asamk/signal/commands/VerifyCommand.java

@@ -28,7 +28,8 @@ public class VerifyCommand implements RegistrationCommand {
         var pin = ns.getString("pin");
 
         try {
-            m.verifyAccount(verificationCode, pin);
+            final var manager = m.verifyAccount(verificationCode, pin);
+            manager.close();
         } catch (LockedException e) {
             throw new UserErrorException(
                     "Verification failed! This number is locked with a pin. Hours remaining until reset: "