/// <summary>
/// Publishes message from clients into RabbitMQ.
/// </summary>
/// <param name="message">Incoming message.</param>
public void AcceptMessage(ServiceBusMessage message)
{
if (string.IsNullOrEmpty(message.ClientID))
{
throw new ArgumentNullException(nameof(message.ClientID));
}
if (string.IsNullOrEmpty(message.MessageTypeID))
{
throw new ArgumentNullException(nameof(message.MessageTypeID));
}
var password = ConfigurationManager.AppSettings["DefaultRmqUserPassword"];
var connectionFactory = GetConnectionFactoryForUser(message.ClientID, password);
try
{
using (var connection = connectionFactory.CreateConnection())
{
var model = connection.CreateModel();
var exchange = _namingManager.GetExchangeName(message.MessageTypeID);
var routingKey = _namingManager.GetRoutingKey(message.MessageTypeID);
var messageBuilder = BuildMessage(message, model);
model.ConfirmSelect();
model.BasicPublish(exchange, routingKey, messageBuilder.Properties,
messageBuilder.GetContentBody());
//we should wait confirm from broker before accept message
model.WaitForConfirmsOrDie();
}
}
catch (BrokerUnreachableException e)
{
_logger.LogUnhandledException(e,
title: $"Unavailable broker on publish message {message.MessageTypeID} from client {message.ClientID} to broker");
throw;
}
catch (AlreadyClosedException e)
{
_logger.LogUnhandledException(e,
title: $"Broker rejected incoming message {message.MessageTypeID} from {message.ClientID}. Reason: {e.ShutdownReason}.");
}
catch (Exception e)
{
_logger.LogUnhandledException(e, title: $"Error on receive message {message.MessageTypeID} from {message.ClientID}.");
}
}
/// <summary>
/// Актуализация разрешений в RabbitMQ для конкретного пользователя.
/// </summary>
/// <param name="user">Пользователь RabbitMQ.</param>
/// <param name="esbPermissions">Разрешения из шины.</param>
/// <returns>Асинхронная операция синхронизации разрешений пользователя.</returns>
private Task SynchronizePermissionsForClient(User user, List <SendingPermission> esbPermissions = null)
{
List <SendingPermission> currentEsbPermissions;
string clientId = user.Name;
if (esbPermissions == null)
{
currentEsbPermissions = _dataService.Query <SendingPermission>(SendingPermission.Views.ServiceBusView).Where(p => p.Client.ID == clientId).ToList();
}
else
{
currentEsbPermissions = esbPermissions.Where(p => p.Client.ID == clientId).ToList();
}
Permission mqPermission = _managementClient.GetPermissionsAsync().Result.Where(p => p.User == clientId && p.Vhost == Vhost.Name).FirstOrDefault();
if (currentEsbPermissions.Count > 0)
{
List <string> rmqPermissionRegex = new List <string>();
foreach (SendingPermission esbPermission in currentEsbPermissions)
{
rmqPermissionRegex.Add(_namingManager.GetExchangeName(esbPermission.MessageType.ID));
}
if (mqPermission == null)
{
return(_managementClient.CreatePermissionAsync(CreatePermissionInfo(user, $"^({string.Join("|", rmqPermissionRegex)})$")));
}
else
{
PermissionInfo permissionInfo = CreatePermissionInfo(user, $"^({string.Join("|", rmqPermissionRegex)})$", mqPermission.Read, mqPermission.Configure);
return(_managementClient.CreatePermissionAsync(permissionInfo));
}
}
else
{
if (mqPermission == null)
{
return(_managementClient.CreatePermissionAsync(CreatePermissionInfo(user)));
}
else
{
PermissionInfo permissionInfo = CreatePermissionInfo(user, "^$", mqPermission.Read, mqPermission.Configure);
return(_managementClient.CreatePermissionAsync(permissionInfo));
}
}
}
