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#region Using directives
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.DirectoryServices;
#endregion
namespace System.Workflow.Activities
{
[Serializable]
sealed internal class DirectoryGroupQuery : IDirectoryOperation
{
public DirectoryGroupQuery()
{
}
public void GetResult(DirectoryEntry rootEntry, DirectoryEntry currentEntry, List<DirectoryEntry> response)
{
if (response == null)
throw new ArgumentNullException("response");
Stack<DirectoryEntry> entries = new Stack<DirectoryEntry>();
entries.Push(currentEntry);
while (entries.Count != 0)
{
DirectoryEntry entry = entries.Pop();
bool isGroup = false;
if (Contains(entry.Properties.PropertyNames, "objectClass"))
{
foreach (String value in entry.Properties["objectClass"])
{
if (String.Compare(value, ActiveDirectoryRoleFactory.Configuration.Group, StringComparison.Ordinal) == 0)
{
isGroup = true;
break;
}
}
if (isGroup)
{
if (Contains(entry.Properties.PropertyNames, ActiveDirectoryRoleFactory.Configuration.Member))
{
foreach (String propValue in entry.Properties[ActiveDirectoryRoleFactory.Configuration.Member])
{
entries.Push(new DirectoryEntry(BuildUri(propValue)));
}
}
}
else
{
response.Add(entry);
}
}
}
}
private static bool Contains(ICollection propertyNames, String testPropertyName)
{
foreach (String propertyName in propertyNames)
{
if (String.Compare(propertyName, testPropertyName, StringComparison.Ordinal) == 0)
return true;
}
return false;
}
private static String BuildUri(String propValue)
{
StringBuilder sb = new StringBuilder();
sb.Append("LDAP://");
for (int i = 0; i < propValue.Length; ++i)
{
if (propValue[i] == '/')
sb.Append("\\/");
else
sb.Append(propValue[i]);
}
return sb.ToString();
}
}
}
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