public static RewriteRules GetCurrentRewriteRules()
{
string cacheName = "CommonConfiguration_RewriteRules";
if (null != HttpContext.Current.Cache[cacheName])
{
try {
return((RewriteRules)HttpContext.Current.Cache[cacheName]);
}
catch {
return(new RewriteRules());
}
}
else
{
try {
string configFilePath = HttpContext.Current.Server.MapPath("/Config/RewriteRules.config"); //@"D:\Running projects\VC Corporation\Dantri\Dantri.Cached\CacheSettings.config";
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(configFilePath);
RewriteRules rules = new RewriteRules();
XmlNodeList nlstRules = xmlDoc.DocumentElement.SelectNodes("//rules/rule");
for (int i = 0; i < nlstRules.Count; i++)
{
RewriteRule rule = new RewriteRule();
rule.Url = nlstRules[i].SelectSingleNode("url").InnerText;
rule.Rewrite = nlstRules[i].SelectSingleNode("rewrite").InnerText;
rules.List.Add(rule);
}
XmlNode nodeFileSettingCacheExpire = xmlDoc.DocumentElement.SelectSingleNode("//Configuration/RewriteRulesFile");
//long fileSettingCacheExpire = Lib.Object2Long(nodeFileSettingCacheExpire.Attributes["cacheExpire"].Value);
//if (fileSettingCacheExpire <= 0) {
long fileSettingCacheExpire = 3600;// default 1h
//}
CacheDependency fileDependency = new CacheDependency(configFilePath);
HttpContext.Current.Cache.Insert(cacheName, rules, fileDependency, DateTime.Now.AddSeconds(fileSettingCacheExpire), TimeSpan.Zero, CacheItemPriority.Normal, null);
return(rules);
}
catch {
return(new RewriteRules());
}
}
}
public IHttpHandler GetHandler(HttpContext context, string requestType, string url1, string pathTranslated)
{
if (HttpContext.Current.Request.Url.Query != String.Empty)
{
if (context.Request.Url.Query.Length > 0)
{
context.Items["VirtualUrl"] = context.Request.Path + context.Request.Url.Query;
}
}
if (context.Items["VirtualUrl"] == null)
{
context.Items["VirtualUrl"] = context.Request.Path;
}
string url = context.Request.Url.AbsolutePath;
while (url.EndsWith("/") && !string.IsNullOrEmpty(url))
{
url = url.Substring(0, url.Length - 1);
}
if (url == "/blank.aspx")
{
url = context.Request.Url.Query.ToLower();
url = url.Replace("/:80", "");
string host = "?404;" + ConfigurationManager.AppSettings["SITE_URL"].ToLower();
url = url.Substring(url.IndexOf(host) + host.Length);
if (!url.StartsWith("/"))
{
url = "/" + url;
}
}
string rewrite = "";
RewriteRules rewriteRules = RewriteRules.GetCurrentRewriteRules();
rewrite = rewriteRules.GetMatchingRewrite(url);
if (!string.IsNullOrEmpty(rewrite))
{
if (context.Request.Url.AbsolutePath == "/blank.aspx")
{
rewrite = rewrite.Replace("/:80", "");
}
context.RewritePath("~" + rewrite + (context.Request.Url.Query.Length > 0 ? "?" + HttpContext.Current.Request.Url.Query.Replace("?", "") : ""));
}
else
{
if (context.Request.Url.AbsolutePath == "/blank.aspx")
{
rewrite = "/error.aspx?status=404";
}
else
{
rewrite = context.Request.Path + context.Request.Url.Query;
}
}
string newFilePath = rewrite.IndexOf("?") > 0 ? rewrite.Substring(0, rewrite.IndexOf("?")) : rewrite;
return(PageParser.GetCompiledPageInstance(newFilePath, context.Server.MapPath(newFilePath), context));
}
