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using System;
using System.Web;
using System.Xml;
using System.Xml.XPath;
using System.Configuration;
using System.Collections.Specialized;
using System.Text.RegularExpressions;
using System.Xml.Xsl;
using System.Reflection;
using System.Runtime.CompilerServices;
// nicked from http://www.codeproject.com/aspnet/URLRewriter.asp
namespace Janrain.OpenId.ServerPortal {
public class URLRewriter : IConfigurationSectionHandler {
protected XmlNode _oRules=null;
protected URLRewriter() { }
public string GetSubstitution(string zPath) {
Regex oReg;
foreach(XmlNode oNode in _oRules.SelectNodes("rule")) {
oReg=new Regex(oNode.SelectSingleNode("url/text()").Value,RegexOptions.IgnoreCase);
Match oMatch=oReg.Match(zPath);
if(oMatch.Success) {
return oReg.Replace(zPath,oNode.SelectSingleNode("rewrite/text()").Value);
}
}
return zPath;
}
public static void Process() {
URLRewriter oRewriter = (URLRewriter)System.Configuration.ConfigurationManager.GetSection("system.web/urlrewrites");
string zSubst=oRewriter.GetSubstitution(HttpContext.Current.Request.Path);
if(zSubst.Length>0) {
HttpContext.Current.RewritePath(zSubst);
}
}
#region Implementation of IConfigurationSectionHandler
public object Create(object parent, object configContext, XmlNode section) {
_oRules=section;
// TODO: Compile all Regular Expressions
return this;
}
#endregion
}
}
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