/// <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);
}
private void SetContextItems(RewriteContext context)
{
OriginalQueryString = new Uri(ContextFacade.GetRequestUrl(), ContextFacade.GetRawUrl()).Query.Replace("?", "");
QueryString = new Uri(ContextFacade.GetRequestUrl(), context.Location).Query.Replace("?", "");
// Add in the properties as context items, so these will be accessible to the handler
foreach (string key in context.Properties.Keys)
{
ContextFacade.SetItem(String.Format("Rewriter.{0}", key), context.Properties[key]);
}
}
private void VerifyResultExists(RewriteContext context)
{
if ((String.Compare(context.Location, ContextFacade.GetRawUrl()) != 0) && ((int)context.StatusCode < 300))
{
Uri uri = new Uri(ContextFacade.GetRequestUrl(), context.Location);
if (uri.Host == ContextFacade.GetRequestUrl().Host)
{
string filename = ContextFacade.MapPath(uri.AbsolutePath);
if (!File.Exists(filename))
{
_configuration.Logger.Debug(MessageProvider.FormatString(Message.ResultNotFound, filename));
context.StatusCode = HttpStatusCode.NotFound;
}
else
{
HandleDefaultDocument(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);
}