/// <summary>
/// Verarbeitung
/// </summary>
/// <param name="request">Die Anfrage</param>
/// <returns>Die Antwort</returns>
public override Response Process(Request request)
{
Response response;
if (!TemporarilyMoved)
{
response = new ResponseRedirectPermanentlyMoved(Location);
}
else
{
response = new ResponseRedirectTemporarilyMoved(Location);
}
return(response);
}
/// <summary>
/// Behandelt einen eingehenden Anforderung
/// Wird nebenläufig ausgeführt
/// </summary>
/// <param name="client">Der Client</param>
private void HandleClient(TcpClient client)
{
//lock (Context)
{
var stopwatch = Stopwatch.StartNew();
Response response = new ResponseNotFound();
var request = null as Request;
var ip = client.Client.RemoteEndPoint;
using var stream = client.GetStream();
var reader = new BinaryReader(stream);
var writer = new StreamWriter(stream);
var moduleContext = null as IModuleContext;
var uri = null as IUri;
if (!stream.DataAvailable)
{
//Context.Log.Debug(message: this.I18N("httpserver.rejected"), args: ip);
//return;
}
Context.Log.Info(message: this.I18N("httpserver.connected"), args: ip);
try
{
request = Request.Create(reader, ip.ToString());
}
catch (Exception ex)
{
Context.Log.Exception(ex);
}
if (request == null)
{
response = new ResponseBadRequest();
var statusPage = CreateStatusPage(response.Status, request, moduleContext, uri);
if (statusPage != null)
{
statusPage.StatusMessage = "";
response.Content = statusPage;
}
else
{
response.Content = $"<h4>{response.Status}</h4>Bad Request";
}
response.HeaderFields.ContentLength = response.Content != null?response.Content.ToString().Length : 0;
}
try
{
Context.Log.Debug(message: this.I18N("httpserver.request"), args: new object[] { ip, $"{request?.Method} {request?.URL} {request?.Version}" });
var resource = ResourceManager.Find(request?.URL.TrimEnd('/'));
if (resource != null && resource.Type != null)
{
var type = resource.Type;
var culture = Culture;
moduleContext = resource.ModuleContext;
uri = new UriResource(resource.ModuleContext, request.URL, resource, culture);
try
{
culture = new CultureInfo(request.HeaderFields?.AcceptLanguage?.TrimStart().Substring(0, 2).ToLower());
}
catch
{
}
if (type?.Assembly.CreateInstance(type?.FullName) is IResource instance)
{
if (instance is II18N i18n)
{
i18n.Culture = culture;
}
if (instance is Resource res)
{
res.Request = request;
res.Uri = uri;
res.Context = resource.ModuleContext;
res.ResourceContext = resource.ResourceContext;
foreach (var p in request.Param)
{
res.AddParam(p.Value);
}
foreach (var v in resource.Variables)
{
res.AddParam(v.Key, v.Value, ParameterScope.Url);
}
}
if (instance is IPage page)
{
page.Title = resource.Title;
}
instance.Initialization();
instance.PreProcess(request);
response = instance.Process(request);
response = instance.PostProcess(request, response);
if (instance is IPage)
{
response.Content += $"<!--{ stopwatch.ElapsedMilliseconds } ms -->";
}
}
}
if (response is ResponseNotFound)
{
var statusPage = CreateStatusPage(response.Status, request, moduleContext, uri);
if (statusPage != null)
{
response.Content = statusPage;
}
else
{
response.Content = $"<h4>{ response.Status }</h4>";
}
response.HeaderFields.ContentLength = response.Content != null?response.Content.ToString().Length : 0;
}
}
catch (RedirectException ex)
{
if (ex.Permanet)
{
response = new ResponseRedirectPermanentlyMoved(ex.Url);
}
else
{
response = new ResponseRedirectTemporarilyMoved(ex.Url);
}
}
catch (Exception ex)
{
Context.Log.Exception(ex);
response = new ResponseInternalServerError();
var statusPage = CreateStatusPage(response.Status, request, moduleContext, uri);
if (statusPage != null)
{
statusPage.StatusMessage = $"<h4>Message</h4>{ ex.Message }<br/><br/>" +
$"<h5>Source</h5>{ ex.Source }<br/><br/>" +
$"<h5>StackTrace</h5>{ ex.StackTrace.Replace("\n", "<br/>\n") }<br/><br/>" +
$"<h5>InnerException</h5>{ ex.InnerException?.ToString().Replace("\n", "<br/>\n") }";
response.Content = statusPage;
}
else
{
response.Content = $"<h4>{ response.Status }</h4> { ex }";
}
response.HeaderFields.ContentLength = response.Content != null?response.Content.ToString().Length : 0;
}
// Response an Client schicken
try
{
writer.Write(response.GetHeader());
writer.Flush();
if (response.Content is byte[] content)
{
using var bw = new BinaryWriter(writer.BaseStream);
bw.Write(content);
}
else
{
writer.Write(response.Content ?? "");
}
writer.Flush();
}
catch (Exception ex)
{
Context.Log.Error(ip + ": " + ex.Message);
}
stopwatch.Stop();
Context.Log.Info(message: this.I18N("httpserver.request.done"), args: new object[] { ip, stopwatch.ElapsedMilliseconds, response.Status });
}
}
