[FIX] LDAP login error on Enterprise version (#17497)

app/ldap/server/loginHandler.js

@@ -126,6 +126,7 @@ Accounts.registerLoginHandler('ldap', function(loginRequest) {
 		if (settings.get('LDAP_Login_Fallback') === true && typeof loginRequest.ldapPass === 'string' && loginRequest.ldapPass.trim() !== '') {
 			Accounts.setPassword(user._id, loginRequest.ldapPass, { logout: false });
 		}
+		logger.info('running afterLDAPLogin');
 		callbacks.run('afterLDAPLogin', { user, ldapUser, ldap });
 		return {
 			userId: user._id,

app/ldap/server/sync.js

@@ -210,6 +210,7 @@ export function mapLdapGroupsToUserRoles(ldap, ldapUser, user) {
 	const syncUserRolesFieldMap = settings.get('LDAP_Sync_User_Data_GroupsMap').trim();
 
 	if (!syncUserRoles || !syncUserRolesFieldMap) {
+		logger.debug('not syncing user roles');
 		return [];
 	}
 
@@ -296,6 +297,7 @@ export function mapLDAPGroupsToChannels(ldap, ldapUser, user) {
 
 	const userChannels = [];
 	if (!syncUserRoles || !syncUserRolesAutoChannels || !syncUserRolesChannelFieldMap) {
+		logger.debug('not syncing groups to channels');
 		return [];
 	}
 

ee/app/ldap-enterprise/server/listener.js

@@ -5,8 +5,8 @@ export const onLdapLogin = ({ user, ldapUser, ldap }) => {
 	const validateLdapRolesForEachLogin = settings.get('LDAP_Validate_Roles_For_Each_Login');
 	const userExists = user._id;
 	const userId = userExists ? user._id : user.userId;
-	const ldapUserRoles = getLdapRolesByUsername(ldapUser.uid, ldap);
 	if (!userExists || validateLdapRolesForEachLogin) {
+		const ldapUserRoles = getLdapRolesByUsername(ldapUser.uid, ldap);
 		const roles = getRocketChatRolesByLdapRoles(JSON.parse(settings.get('LDAP_Roles_To_Rocket_Chat_Roles')), ldapUserRoles);
 		updateUserUsingMappedLdapRoles(userId, roles);
 	}