OAuth: activate user with empty password - to be able to set up it later

@@ -19,6 +19,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.util.StringUtils;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.Tenant;
@@ -27,6 +28,7 @@ import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.common.data.security.Authority;
+import org.thingsboard.server.common.data.security.UserCredentials;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.oauth2.OAuth2User;
 import org.thingsboard.server.dao.tenant.TenantService;
@@ -48,6 +50,9 @@ public abstract class AbstractOAuth2ClientMapper {
     private UserService userService;
 
     @Autowired
+    private BCryptPasswordEncoder passwordEncoder;
+
+    @Autowired
     private TenantService tenantService;
 
     @Autowired
@@ -88,6 +93,8 @@ public abstract class AbstractOAuth2ClientMapper {
                     user.setFirstName(oauth2User.getFirstName());
                     user.setLastName(oauth2User.getLastName());
                     user = userService.saveUser(user);
+                    UserCredentials userCredentials = userService.findUserCredentialsByUserId(user.getTenantId(), user.getId());
+                    userService.activateUserCredentials(user.getTenantId(), userCredentials.getActivateToken(), passwordEncoder.encode(""));
                 }
             } catch (Exception e) {
                 log.error("Can't get or create security user from oauth2 user", e);