public virtual async Task Invoke(HttpContext context, IAuthorizationService authorizationService)
{
var route = _routing.GetRoute(_httpContextProxy.GetHttpMethod(), _httpContextProxy.GetURIAbsolutePath());
if (route != null && !string.IsNullOrEmpty(route.ExecultAssembly) && !string.IsNullOrEmpty(route.ExecuteType))
{
if (AuthorizedRoute(context, route, authorizationService))
{
var type = _assemblyLoader.GetType(route.ExecultAssembly, route.ExecuteType);
if (type != null)
{
context.Response.Headers[CommonConst.CommonField.MODULE_NAME] = route.module_name;
context.Response.Headers[CommonConst.CommonField.EXECUTE_TYPE] = route.ExecuteType;
context.Response.Headers[CommonConst.CommonField.ROUTE] = $"{route.Method}:{route.Route}";
_logger.Debug(string.Format("Executing route:{0}", route.ToString()));
var controller = _serviceResolver.Resolve(type);
var method = controller.GetType().GetMethods().FirstOrDefault(f => f.Name == route.ExecuteMethod);
if (method != null)
{
context.Response.ContentType = route.ContentType;
object response = null;
if (method.ReturnType.BaseType == typeof(Task))
{
response = await(dynamic) method.Invoke(controller, null);
}
else
{
response = method.Invoke(controller, null);
}
RemoveHeaders(context);
if (response != null)
{
if (method.ReturnType == typeof(string))
{
await context.Response.WriteAsync((response as string));
}
else if (method.ReturnType == typeof(byte[]))
{
var byteResponse = response as byte[];
await context.Response.Body.WriteAsync(byteResponse, 0, byteResponse.Length);
}
else
{
await context.Response.WriteAsync(JsonConvert.SerializeObject(response));
}
}
else
{
await context.Response.Body.WriteAsync(new byte[] { });
}
}
else
{
RemoveHeaders(context);
_logger.Error($"Method not found for route : {route.ToString()}");
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
await context.Response.WriteAsync(_responseBuilder.NotFound().ToString());
}
}
else
{
_logger.Error($"Type not found for route : {route.ToString()}");
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
await context.Response.WriteAsync(_responseBuilder.NotFound().ToString());
}
}
else
{
context.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
await context.Response.WriteAsync(_responseBuilder.Unauthorized().ToString());
}
}
else
{
try
{
route = await _apiGatewayService.GetRouteAsync(_httpContextProxy.GetHttpMethod(), _httpContextProxy.GetURIAbsolutePath());
if (route != null)
{
try
{
context.Response.ContentType = route.ContentType;
JObject response = await CallRemoteRouteCalls(context, route);
if (response != null)
{
RemoveHeaders(context);
if (response["content_type"] != null && response["data"] != null)
{
await context.Response.WriteAsync(response["data"].ToString());
}
else
{
await context.Response.WriteAsync(response.ToString());
}
}
else
{
await _next(context);
}
}
catch (UnauthorizedAccessException ex)
{
context.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
_logger.Error($"UnauthorizedAccessException remote route. {route.ToString() } . {ex.Message}", ex);
}
catch (Exception ex)
{
_logger.Error($"Error Executing remote route. {route.ToString() } . {ex.Message}", ex);
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
}
}
else
{
await _next(context);
}
}
catch (Exception ex)
{
_logger.Error($"Error Executing remote route. {route.ToString() } . {ex.Message}", ex);
await _next(context);
}
}
}