这是我所做的:
class DomainComparer : StringComparer
{
public override int Compare(string x, string y)
{
if (x == null || y == null)
{
return StringComparer.OrdinalIgnoreCase.Compare(x, y);
}
if (x.StartsWith("www.", StringComparison.OrdinalIgnoreCase))
{
x = x.Substring(4);
}
if (y.StartsWith("www.", StringComparison.OrdinalIgnoreCase))
{
y = y.Substring(4);
}
return StringComparer.OrdinalIgnoreCase.Compare(x, y);
}
public override bool Equals(string x, string y)
{
return Compare(x, y) == 0;
}
public override int GetHashCode(string obj)
{
if (obj.StartsWith("www.", StringComparison.OrdinalIgnoreCase))
{
obj = obj.Substring(4);
}
return StringComparer.OrdinalIgnoreCase.GetHashCode(obj);
}
}
/// <summary>
/// this is a hackfix for microsoft bug, where cookies are not shared between www.domain.com and domain.com
/// </summary>
/// <param name="cc"></param>
static void ImproveCookieContainer(CookieContainer cc)
{
Hashtable table = (Hashtable)cc.GetType().InvokeMember(
"m_domainTable",
System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.GetField | System.Reflection.BindingFlags.Instance,
null, cc, new object[] { });
var comparerPreperty = table.GetType().GetField("_keycomparer",
System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.GetField | System.Reflection.BindingFlags.Instance);
if (comparerPreperty != null)
{
comparerPreperty.SetValue(table, new DomainComparer());
}
}