private void HandleError(RewriteContext context)
{
// Return the status code.
ContextFacade.SetStatusCode((int)context.StatusCode);
// Get the error handler if there is one.
IRewriteErrorHandler handler = _configuration.ErrorHandlers[(int)context.StatusCode] as IRewriteErrorHandler;
if (handler != null)
{
try
{
_configuration.Logger.Debug(MessageProvider.FormatString(Message.CallingErrorHandler));
// Execute the error handler.
ContextFacade.HandleError(handler);
}
catch (HttpException)
{
throw;
}
catch (Exception exc)
{
_configuration.Logger.Fatal(exc.Message, exc);
throw new HttpException(
(int)HttpStatusCode.InternalServerError, HttpStatusCode.InternalServerError.ToString());
}
}
else
{
throw new HttpException((int)context.StatusCode, context.StatusCode.ToString());
}
}
/// <summary>
/// Performs the rewriting.
/// </summary>
public void Rewrite()
{
string originalUrl = ContextFacade.GetRawUrl().Replace("+", " ");
RawUrl = originalUrl;
// Create the context
RewriteContext context = new RewriteContext(this, originalUrl,
ContextFacade.GetHttpMethod(), ContextFacade.MapPath,
ContextFacade.GetServerVariables(), ContextFacade.GetHeaders(), ContextFacade.GetCookies());
// Process each rule.
ProcessRules(context);
// Append any headers defined.
AppendHeaders(context);
// Append any cookies defined.
AppendCookies(context);
// Rewrite the path if the location has changed.
ContextFacade.SetStatusCode((int)context.StatusCode);
if ((context.Location != originalUrl) && ((int)context.StatusCode < 400))
{
if ((int)context.StatusCode < 300)
{
// Successful status if less than 300
_configuration.Logger.Info(MessageProvider.FormatString(Message.RewritingXtoY,
ContextFacade.GetRawUrl(), context.Location));
// Verify that the url exists on this server.
HandleDefaultDocument(context);// VerifyResultExists(context);
ContextFacade.RewritePath(context.Location);
}
else
{
// Redirection
_configuration.Logger.Info(MessageProvider.FormatString(Message.RedirectingXtoY,
ContextFacade.GetRawUrl(), context.Location));
ContextFacade.SetRedirectLocation(context.Location);
}
}
else if ((int)context.StatusCode >= 400)
{
HandleError(context);
}
else if (HandleDefaultDocument(context))
{
ContextFacade.RewritePath(context.Location);
}
// Sets the context items.
SetContextItems(context);
}
/// <summary>
/// Performs the rewriting.
/// </summary>
public void Rewrite()
{
string originalUrl = ContextFacade.GetRawUrl().Replace("+", " ");
RawUrl = originalUrl;
// Create the context
RewriteContext context = new RewriteContext(
this,
originalUrl,
ContextFacade.GetHttpMethod(),
ContextFacade.MapPath,
ContextFacade.GetServerVariables(),
ContextFacade.GetHeaders(),
ContextFacade.GetCookies());
// Process each rule.
ProcessRules(context);
// Append any headers defined.
AppendHeaders(context);
// Append any cookies defined.
AppendCookies(context);
// Rewrite the path if the location has changed.
ContextFacade.SetStatusCode((int)context.StatusCode);
if ((context.Location != originalUrl) && ((int)context.StatusCode < 400))
{
if ((int)context.StatusCode < 300)
{
// Successful status if less than 300
_configuration.Logger.Info(
MessageProvider.FormatString(Message.RewritingXtoY, ContextFacade.GetRawUrl(), context.Location));
// Verify that the url exists on this server.
HandleDefaultDocument(context); // VerifyResultExists(context);
if (context.Location.Contains(@"&"))
{
var queryStringCollection = HttpUtility.ParseQueryString(new Uri(this.ContextFacade.GetRequestUrl(), context.Location).Query);
StringBuilder builder = new StringBuilder();
foreach (var value in queryStringCollection.AllKeys.Distinct())
{
var argument = queryStringCollection.GetValues(value).FirstOrDefault();
if (value == "g")
{
if (context.Location != argument)
{
builder.AppendFormat(
"{0}={1}&",
value,
argument);
}
}
else
{
builder.AppendFormat(
"{0}={1}&",
value,
argument);
}
}
context.Location = context.Location.Remove(context.Location.IndexOf("?") + 1);
context.Location = context.Location + builder;
if (context.Location.EndsWith(@"&"))
{
context.Location = context.Location.Remove(context.Location.Length - 1);
}
}
ContextFacade.RewritePath(context.Location);
}
else
{
// Redirection
_configuration.Logger.Info(
MessageProvider.FormatString(
Message.RedirectingXtoY, ContextFacade.GetRawUrl(), context.Location));
ContextFacade.SetRedirectLocation(context.Location);
}
}
else if ((int)context.StatusCode >= 400)
{
HandleError(context);
}
else if (HandleDefaultDocument(context))
{
ContextFacade.RewritePath(context.Location);
}
// Sets the context items.
SetContextItems(context);
}