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#if NETSTANDARD1_6
using System;
using System.Reflection;
using System.Threading.Tasks;
using ServiceStack.Web;
using ServiceStack.Logging;
using ServiceStack.NetCore;
using ServiceStack.Host;
using ServiceStack.Host.NetCore;
using ServiceStack.Host.Handlers;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using ServiceStack.Configuration;
using ServiceStack.IO;
namespace ServiceStack
{
public abstract class AppHostBase : ServiceStackHost
{
protected AppHostBase(string serviceName, params Assembly[] assembliesWithServices)
: base(serviceName, assembliesWithServices)
{
Platforms.PlatformNetCore.HostInstance = this;
}
IApplicationBuilder app;
public virtual void Bind(IApplicationBuilder app)
{
this.app = app;
BindHost(this, app);
app.Use(ProcessRequest);
}
public static void BindHost(ServiceStackHost appHost, IApplicationBuilder app)
{
var logFactory = app.ApplicationServices.GetService<ILoggerFactory>();
if (logFactory != null)
{
LogManager.LogFactory = new NetCoreLogFactory(logFactory);
}
appHost.Container.Adapter = new NetCoreContainerAdapter(app.ApplicationServices);
}
/// <summary>
/// The FilePath used in Virtual File Sources
/// </summary>
public override string GetWebRootPath()
{
if (app == null)
return base.GetWebRootPath();
var env = app.ApplicationServices.GetService<IHostingEnvironment>();
return env.WebRootPath ?? env.ContentRootPath;
}
public override void OnConfigLoad()
{
if (app != null)
{
//Initialize VFS
var env = app.ApplicationServices.GetService<IHostingEnvironment>();
Config.WebHostPhysicalPath = env.ContentRootPath;
//Set VirtualFiles to point to ContentRootPath (Project Folder)
VirtualFiles = new FileSystemVirtualFiles(env.ContentRootPath);
RegisterLicenseFromAppSettings(AppSettings);
}
}
public static void RegisterLicenseFromAppSettings(IAppSettings appSettings)
{
//Automatically register license key stored in <appSettings/>
var licenceKeyText = appSettings.GetString(NetStandardPclExport.AppSettingsKey);
if (!string.IsNullOrEmpty(licenceKeyText))
{
LicenseUtils.RegisterLicense(licenceKeyText);
}
}
public virtual async Task ProcessRequest(HttpContext context, Func<Task> next)
{
//Keep in sync with Kestrel/AppSelfHostBase.cs
var operationName = context.Request.GetOperationName().UrlDecode() ?? "Home";
var pathInfo = context.Request.Path.HasValue
? context.Request.Path.Value
: "/";
var mode = Config.HandlerFactoryPath;
if (!string.IsNullOrEmpty(mode))
{
if (pathInfo.IndexOf(mode, StringComparison.Ordinal) != 1)
await next();
pathInfo = pathInfo.Substring(mode.Length + 1);
}
RequestContext.Instance.StartRequestContext();
NetCoreRequest httpReq;
IResponse httpRes;
System.Web.IHttpHandler handler;
try
{
httpReq = new NetCoreRequest(context, operationName, RequestAttributes.None, pathInfo);
httpReq.RequestAttributes = httpReq.GetAttributes();
httpRes = httpReq.Response;
handler = HttpHandlerFactory.GetHandler(httpReq);
}
catch (Exception ex) //Request Initialization error
{
var logFactory = context.Features.Get<ILoggerFactory>();
if (logFactory != null)
{
var log = logFactory.CreateLogger(GetType());
log.LogError(default(EventId), ex, ex.Message);
}
context.Response.ContentType = MimeTypes.PlainText;
await context.Response.WriteAsync($"{ex.GetType().Name}: {ex.Message}");
if (Config.DebugMode)
await context.Response.WriteAsync($"\nStackTrace:\n{ex.StackTrace}");
return;
}
var serviceStackHandler = handler as IServiceStackHandler;
if (serviceStackHandler != null)
{
if (serviceStackHandler is NotFoundHttpHandler)
{
await next();
return;
}
if (!string.IsNullOrEmpty(serviceStackHandler.RequestName))
operationName = serviceStackHandler.RequestName;
var restHandler = serviceStackHandler as RestHandler;
if (restHandler != null)
{
httpReq.OperationName = operationName = restHandler.RestPath.RequestType.GetOperationName();
}
try
{
await serviceStackHandler.ProcessRequestAsync(httpReq, httpRes, operationName);
}
catch (Exception ex)
{
var logFactory = context.Features.Get<ILoggerFactory>();
if (logFactory != null)
{
var log = logFactory.CreateLogger(GetType());
log.LogError(default(EventId), ex, ex.Message);
}
}
finally
{
httpRes.Close();
}
//Matches Exceptions handled in HttpListenerBase.InitTask()
return;
}
await next();
}
public override string MapProjectPath(string relativePath)
{
return relativePath.MapHostAbsolutePath();
}
public override IRequest TryGetCurrentRequest()
{
return GetOrCreateRequest(app.ApplicationServices.GetService<IHttpContextAccessor>());
}
/// <summary>
/// Creates an IRequest from IHttpContextAccessor if it's been registered as a singleton
/// </summary>
public static IRequest GetOrCreateRequest(IHttpContextAccessor httpContextAccessor)
{
return GetOrCreateRequest(httpContextAccessor?.HttpContext);
}
public static IRequest GetOrCreateRequest(HttpContext httpContext)
{
if (httpContext != null)
{
object oRequest;
if (httpContext.Items.TryGetValue(Keywords.IRequest, out oRequest))
return (IRequest) oRequest;
var req = httpContext.ToRequest();
httpContext.Items[Keywords.IRequest] = req;
return req;
}
return null;
}
}
public static class NetCoreAppHostExtensions
{
public static IApplicationBuilder UseServiceStack(this IApplicationBuilder app, AppHostBase appHost)
{
appHost.Bind(app);
appHost.Init();
return app;
}
public static IApplicationBuilder Use(this IApplicationBuilder app, System.Web.IHttpAsyncHandler httpHandler)
{
return app.Use(httpHandler.Middleware);
}
public static IHttpRequest ToRequest(this HttpContext httpContext, string operationName = null)
{
var req = new NetCoreRequest(httpContext, operationName, RequestAttributes.None);
req.RequestAttributes = req.GetAttributes();
return req;
}
}
}
#endif