79 lines
2.2 KiB
C#
79 lines
2.2 KiB
C#
using System;
|
|
using System.Net;
|
|
using System.Threading.Tasks;
|
|
using System.Collections.Generic;
|
|
using System.Reflection;
|
|
using System.Security.Claims;
|
|
using System.Linq;
|
|
using System.Diagnostics;
|
|
|
|
namespace GalleryShare.RequestRouter
|
|
{
|
|
public delegate string UrlPathTransformer(string rawUrl);
|
|
|
|
public class MasterHttpRouter
|
|
{
|
|
public bool DebugMode = false;
|
|
|
|
List<IRequestRoute> requestRoutes = new List<IRequestRoute>();
|
|
UrlPathTransformer urlTransformer;
|
|
|
|
public UrlPathTransformer UrlTransformer
|
|
{
|
|
get { return urlTransformer; }
|
|
set { urlTransformer = value; }
|
|
}
|
|
|
|
public MasterHttpRouter(GalleryServer parentServer, string routingGroup)
|
|
{
|
|
// Add the default route
|
|
requestRoutes.Add(new RouteDefault());
|
|
// Search for and add the rest of the routes
|
|
foreach(Type currentType in getRequestRouters(routingGroup))
|
|
{
|
|
IRequestRoute nextRoute = (IRequestRoute)Activator.CreateInstance(currentType);
|
|
nextRoute.SetParentServer(parentServer);
|
|
requestRoutes.Add(nextRoute);
|
|
}
|
|
|
|
// Sort the request reoutes by priority
|
|
requestRoutes.Sort((routeA, routeB) => -routeA.Priority.CompareTo(routeB.Priority));
|
|
}
|
|
|
|
public async Task RouteRequest(HttpListenerContext cycle)
|
|
{
|
|
foreach(IRequestRoute currentRoute in requestRoutes)
|
|
{
|
|
if (DebugMode) Console.Write("Trying {0} (Priority {1}) - ", currentRoute.GetType(), currentRoute.Priority);
|
|
string transformedUrl = UrlTransformer(cycle.Request.RawUrl);
|
|
|
|
if (!currentRoute.CanHandle(cycle.Request.RawUrl, transformedUrl))
|
|
{
|
|
if(DebugMode) Console.WriteLine("false. Trying next route.");
|
|
continue;
|
|
}
|
|
if(DebugMode) Console.WriteLine("true. Sending to route.");
|
|
await currentRoute.HandleRequestAsync(cycle, transformedUrl);
|
|
break;
|
|
}
|
|
}
|
|
|
|
private IEnumerable<Type> getRequestRouters(string routingGroup)
|
|
{
|
|
foreach(Type requestRoute in Assembly.GetCallingAssembly().GetExportedTypes().Where(cType =>
|
|
cType.GetInterfaces().Contains(typeof(IRequestRoute))))
|
|
{
|
|
foreach(HttpRequestRoute attr in requestRoute.GetCustomAttributes())
|
|
{
|
|
if(attr.RoutingGroup == routingGroup)
|
|
{
|
|
yield return requestRoute;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|