public static async Task <HttpContext> ActionHandler(HttpContext context, Func <Task> next)
{
CultureInfo newCulture = (CultureInfo)Thread.CurrentThread.CurrentCulture.Clone();
newCulture.DateTimeFormat.ShortDatePattern = "dd-MMM-yyyy";
newCulture.NumberFormat.CurrencyDecimalSeparator = ".";
newCulture.NumberFormat.NumberDecimalSeparator = ".";
newCulture.DateTimeFormat.LongDatePattern = "dd-MMM-yyyy";
newCulture.DateTimeFormat.DateSeparator = "-";
Thread.CurrentThread.CurrentCulture = newCulture;
Thread.CurrentThread.CurrentUICulture = newCulture;
var origin = context.Request.Headers.ContainsKey(Origin) ? context.Request.Headers[Origin].First() : "";
//var origin = context.Request.Headers.ContainsKey(Origin) ? context.Request.Headers[Origin] : "";
var request = context.Request;
var response = context.Response;
var path = request.Path.Value.ToLower();
var queryString = request.QueryString.Value;
var pathAndQuery = path + queryString;
var activeAction = new ActiveAction()
{
startDate = DateTime.Now,
pathAndQuery = pathAndQuery,
guid = Guid.NewGuid().ToString()
};
// HangPreventorManager.AddAction(activeAction);
response.Headers.Append("Cache-Control", "No-Cache");
//System.Threading.Thread.Sleep(1000);
var requestContentStr = "";
using (var reader = new StreamReader(request.Body))
{
requestContentStr = await reader.ReadToEndAsync();
}
activeAction.AddEvent("Request body read");
try
{
#region Cors Support
if (request.Headers != null && 1 == 2)
{
var isCorsRequest = request.Headers.ContainsKey(Origin);
var isPreflightRequest = String.Equals(request.Method, OptionsMethod, StringComparison.InvariantCultureIgnoreCase);
if (isCorsRequest)
{
if (isPreflightRequest)
{
response.StatusCode = 200;
if (!String.IsNullOrEmpty(origin) && !response.Headers.ContainsKey(AccessControlAllowOrigin))
{
response.Headers.Append(AccessControlAllowOrigin, origin);
}
;
//var accessControlRequestMethod = request.Headers.ContainsKey(AccessControlRequestMethod) ? request.Headers[AccessControlRequestMethod] : ""; //request.Headers[AccessControlRequestMethod].FirstOrDefault();
var accessControlRequestMethod = request.Headers.ContainsKey(AccessControlRequestMethod) ? request.Headers[AccessControlRequestMethod].FirstOrDefault() : "";
if (accessControlRequestMethod != null)
{
response.Headers.Append(AccessControlAllowMethods, accessControlRequestMethod);
}
var requestedHeaders = string.Join(", ", request.Headers[AccessControlRequestHeaders]);
if (!string.IsNullOrEmpty(requestedHeaders))
{
response.Headers.Append(AccessControlAllowHeaders, requestedHeaders);
}
response.Headers.Append(AccessControlAllowCredentials, "true");
return(context);
}
if (!String.IsNullOrEmpty(origin) && !response.Headers.ContainsKey(AccessControlAllowOrigin))
{
response.Headers.Append(AccessControlAllowOrigin, origin);
}
response.Headers.Append(AccessControlAllowHeaders, "*");
response.Headers.Append(AccessControlAllowCredentials, "true");
}
}
#endregion
var primaryAccept = "*/*";
if (request.Headers.ContainsKey("Accept"))
{
//var acceptedHeaders = request.Headers.ContainsKey("Accept") ? new List<string>().ToArray() : request.Headers["Accept"].ToList(.Split(',');
var acceptedHeaders = request.Headers["Accept"].First().Split(','); //request.Headers.Accept.ToList().Select(a => a.ToString());
primaryAccept = acceptedHeaders.FirstOrDefault();
foreach (var accept in acceptedHeaders)
{
if (accept.ToLower().Contains("json"))
{
primaryAccept = accept;
break;
}
}
}
activeAction.AddEvent("Request body read");
pathAndQuery = WebUtility.UrlDecode(pathAndQuery);
//var isMvcRequest = pathAndQuery == "/" || pathAndQuery.StartsWith("/ui/") || pathAndQuery.StartsWith("ui/");
//var requestContentStr = StreamToString(request.Body);
try
{
var routeRestult = await RouteRequest(response, pathAndQuery, request.Method, requestContentStr, primaryAccept, null, null, request, activeAction);
activeAction.AddEvent("Route Request Success End");
if (routeRestult == false)
{
await next();
activeAction.AddEvent("Successful");
return(context);
}
}
catch (Exception routeException)
{
activeAction.AddEvent("Fail: " + routeException.Message);
response.StatusCode = 200;
if (!String.IsNullOrEmpty(origin))
{
response.Headers.Append(AccessControlAllowOrigin, origin);
}
response.Headers.Append("Content-Type", "application/json");
await response.WriteAsync($"{{\"ex\":\"Route Exception : {routeException.Message} \"}}");
return(context);
}
return(context);
}
catch (Exception ex)
{
var errorBody = requestContentStr;
context.Response.StatusCode = 200;
if (!String.IsNullOrEmpty(origin))
{
context.Response.Headers.Append(AccessControlAllowOrigin, origin);
}
//response.Headers.Append("Content-Type", "application/json");
await context.Response.WriteAsync($"{{\"ex\":\"ActionDelegator Exception: {ex.Message} \"}}" + ": Body: " + errorBody);
return(context);
}
}
public static async Task <bool> RouteRequest(HttpResponse httpResponse, string requestPath, string requestMethod, string requestContentStr, string accepts, string user, string token, HttpRequest request = null, ActiveAction action = null)
{
if (accepts == null)
{
accepts = "*/*";
}
if (requestPath.StartsWith("/"))
{
requestPath = requestPath.Substring(1);
}
var path = requestPath;
var query = "";
if (path.Contains("?"))
{
path = requestPath.Substring(0, requestPath.IndexOf("?"));
query = requestPath.Substring(requestPath.IndexOf("?"));
}
;
//check for any pre-defined routes
ActionRoute route = null;
if (routes.ContainsKey(path))
{
route = routes[path];
requestPath = route.replacement + query;
}
else
{
//default to files if no function path
if (!requestPath.StartsWith("s/") && !requestPath.StartsWith("q/") && !requestPath.StartsWith("ui/") && !requestPath.StartsWith("f/") && !requestPath.StartsWith("c/"))
{
if (requestPath.Contains("."))
{
requestPath = "f/" + requestPath;
}
else
{
requestPath = "f/index.html";
}
}
}
var isFileRequest = requestPath.StartsWith("f/");
var function = requestPath.Substring(0, requestPath.IndexOf("/"));
var serviceName = requestPath.Substring(function.Length + 1);
var parameters = "";
if (serviceName.Contains("?"))
{
var questionIndex = serviceName.IndexOf("?");
parameters = serviceName.Substring(questionIndex + 1);
serviceName = serviceName.Substring(0, questionIndex);
}
if (isFileRequest == false && user == null && route?.anonymous == false)
{
var reqPath = request.Path.ToUriComponent();
if (reqPath.Contains("?"))
{
reqPath = reqPath.Substring(0, reqPath.IndexOf("?"));
}
var redirectResponse = new HttpResponseMessage(HttpStatusCode.OK)
{
StatusCode = HttpStatusCode.Moved
};
var redirPath = "http://" + request.Host.Value + "/login?r=" + reqPath;
httpResponse.Redirect(redirPath);
return(true);
}
var routeRequest = new RouteRequest();
routeRequest.contentStr = requestContentStr;
routeRequest.fullUrl = requestPath;
routeRequest.parameters = parameters;
routeRequest.hostName = "";
routeRequest.user = user;
routeRequest.function = function;
routeRequest.service = serviceName;
routeRequest.httpRequest = request;
routeRequest.action = action;
routeRequest.token = token;
var result = await RouteManager.Process(function, serviceName, routeRequest);
action.AddEvent("Route Processed");
if (result == null)
{
result = "";
}
//if (result != null)
//if (result.GetType() != typeof(RequestError))
//{
var resultStr = "";
if (routeRequest.responseContentType != "")
{
accepts = routeRequest.responseContentType;
}
if (requestPath.Contains("plugins/cordova"))
{
accepts = "application/javascript";
}
var returnType = "";
if (result is CommandResponse)
{
var commandResponse = ((CommandResponse)result);
httpResponse.StatusCode = commandResponse.Status;
if (!String.IsNullOrEmpty(request?.ContentType))
{
accepts = request.ContentType;
}
if (request.Headers.ContainsKey("Accept"))
{
var firstHeader = request.Headers["Accept"].FirstOrDefault();
if (firstHeader == null)
{
firstHeader = "";
}
if (firstHeader.Split(',')[0] != "*/*")
{
returnType = request.Headers["Accept"].First().Split(',')[0];
}
if (accepts != "*/*")
{
returnType = accepts;
}
}
if (commandResponse.ContentType != "")
{
returnType = commandResponse.ContentType;
}
if (returnType == "")
{
returnType = "application/json";
}
httpResponse.Headers.Append("Content-Type", returnType);
foreach (var header in commandResponse.Headers)
{
httpResponse.Headers.Append(header.Key, header.Value);
}
if (commandResponse.Bytes != null)
{
var bytes = commandResponse.Bytes.ToArray();
await httpResponse.Body.WriteAsync(bytes, 0, bytes.Length);
}
else if (!String.IsNullOrWhiteSpace(commandResponse.Content))
{
await httpResponse.WriteAsync(commandResponse.Content);
}
else if (commandResponse.value is MemoryStream)
{
var bytes = ((MemoryStream)commandResponse.value).ToArray();
await httpResponse.Body.WriteAsync(bytes, 0, bytes.Length);
}
else
{
await httpResponse.WriteAsync(commandResponse.value == null? "" : commandResponse.value.ToString());
}
return(true);
}
//else if (result is IEntity) resultStr = ((IEntity)result).ToJson();
else
{
try
{
resultStr = JsonManager.Serialize(result);
}
catch (Exception ex)
{
var resultType = result == null ? "null" : result.GetType().ToString();
resultStr = $"Error with serialization of type {resultType}. {ex.Message} ";
}
}
if (request.Headers.ContainsKey("Accept"))
{
var firstHeader = request.Headers["Accept"].FirstOrDefault();
if (firstHeader == null)
{
firstHeader = "";
}
if (firstHeader.Split(',')[0] != "*/*")
{
returnType = request.Headers["Accept"].First().Split(',')[0];
}
if (accepts != "*/*")
{
returnType = accepts;
}
}
if (returnType == "")
{
returnType = "application/json";
}
var writeStart = DateTime.Now;
resultStr = resultStr == null ? "" : resultStr;
httpResponse.StatusCode = 200;
httpResponse.Headers.Append("Content-Type", returnType);
await httpResponse.WriteAsync(resultStr);
//log the write time
TotalWriteMs += (DateTime.Now - writeStart).TotalMilliseconds;
TotalBytesSent += resultStr.Length * 2;
TotalRequests++;
//
if (TotalRequests >= 1000)
{
TotalWriteMs = 0;
TotalBytesSent = 0;
TotalRequests = 0;
}
//response.Content.Headers.ContentType = new MediaTypeHeaderValue(returnType);
return(true);
//}
//return false;
}
