protected virtual RedirectMapping FindMapping(string filePath)
{
RedirectMapping redirectMapping = null;
List <RedirectMapping> .Enumerator enumerator = this.MappingsMap.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
RedirectMapping current = enumerator.Current;
if ((current.IsRegex || !(current.Pattern == filePath)) && (!current.IsRegex || !current.Regex.IsMatch(filePath)))
{
continue;
}
redirectMapping = current;
return(redirectMapping);
}
return(null);
}
catch (Exception)
{
}
finally
{
((IDisposable)enumerator).Dispose();
}
return(redirectMapping);
}
public override void ProcessRequest(HttpRequestArgs args)
{
//Item item = Context.Item;
if (args == null || args.HttpContext == null)
{
return;
}
var context = args.HttpContext;
if (Context.Site == null || this.IsFile(Context.Request.FilePath))
{
return;
}
string str = this.EnsureSlashes(Context.Request.FilePath.ToLower());
RedirectMapping resolvedMapping = this.GetResolvedMapping(str);
bool flag = resolvedMapping != null;
if (resolvedMapping == null)
{
resolvedMapping = this.FindMapping(str);
}
if (resolvedMapping != null && !flag)
{
var item = GetCache <Dictionary <string, RedirectMapping> >(ResolvedMappingsPrefix)
?? new Dictionary <string, RedirectMapping>();
item[str] = resolvedMapping;
SetCache(ResolvedMappingsPrefix, item);
}
if (resolvedMapping != null && HttpContext.Current != null)
{
string targetUrl = this.GetTargetUrl(resolvedMapping, str);
if (resolvedMapping.RedirectType == RedirectType.Redirect301)
{
this.Redirect301(HttpContext.Current.Response, targetUrl);
}
if (resolvedMapping.RedirectType == RedirectType.Redirect302)
{
HttpContext.Current.Response.Redirect(targetUrl, true);
}
if (resolvedMapping.RedirectType == RedirectType.ServerTransfer)
{
HttpContext.Current.Server.TransferRequest(targetUrl);
}
}
}
protected virtual string GetTargetUrl(RedirectMapping mapping, string input)
{
string target = mapping.Target;
if (mapping.IsRegex)
{
target = mapping.Regex.Replace(input.TrimEnd(new char[] { '/' }), target);
}
if (mapping.PreserveQueryString)
{
target = string.Concat(target.TrimEnd(new char[] { '/' }), HttpContext.Current.Request.Url.Query);
}
if (!string.IsNullOrEmpty(Context.Site.VirtualFolder))
{
target = string.Concat(StringUtil.EnsurePostfix('/', Context.Site.VirtualFolder), target.TrimStart(new char[] { '/' }));
}
return(target);
}
