//Gets the top OU from the Domain
public static OrganizationalUnit GetRoot(Connection connection)
{
DirectoryEntry entry = new DirectoryEntry("LDAP://" + connection.Credentials.Domain, connection.Credentials.UserName, connection.Credentials.Password);
OrganizationalUnit ou = GetDirectory(null, entry);
return(ou);
}
//Fills the tree-view with the directory items recursively
private void GetView(OrganizationalUnit directory, TreeNodeCollection parentNode)
{
foreach (DirectoryEntity entity in directory.entries)
{
string prefix = "";
int imageIndex = 0; //Icon
if (entity.GetType() == typeof(OrganizationalUnit))
{
prefix = "OU";
imageIndex = 0;
}
else if (entity.GetType() == typeof(Group))
{
prefix = "Group";
imageIndex = 1;
}
else if (entity.GetType() == typeof(User))
{
prefix = "User";
imageIndex = 2;
}
TreeNode node = parentNode.Add(prefix + " - " + entity.Name);
node.ImageIndex = imageIndex;
node.SelectedImageIndex = imageIndex;
node.Tag = entity;
if (entity.GetType() == typeof(OrganizationalUnit))
{
GetView((OrganizationalUnit)entity, node.Nodes);
}
}
}
//Fills the tree-view with the directory items recursively and allows search
private void GetView(string search, OrganizationalUnit directory, TreeNodeCollection parentNode)
{
string comboText = comboBox1.Text.ToLower();
foreach (DirectoryEntity entity in directory.entries)
{
string prefix = "";
int imageIndex = 0; //Icon
if (entity.GetType() == typeof(OrganizationalUnit))
{
prefix = "OU";
imageIndex = 0;
}
else if (entity.GetType() == typeof(Group))
{
prefix = "Group";
imageIndex = 1;
}
else if (entity.GetType() == typeof(User))
{
prefix = "User";
imageIndex = 2;
}
bool isProperGroup = false;
if (comboText.Equals("all"))
{
isProperGroup = true;
}
else
{
if (comboText.Substring(0, comboText.Length - 1).Equals(prefix.ToLower()))
{
isProperGroup = true;
}
}
if (entity.Name.ToLower().Contains(search) && isProperGroup)
{
TreeNode node = parentNode.Add(prefix + " - " + entity.Name);
node.ImageIndex = imageIndex;
node.SelectedImageIndex = imageIndex;
node.Tag = entity;
}
if (entity.GetType() == typeof(OrganizationalUnit))
{
GetView(search, (OrganizationalUnit)entity, parentNode);
}
}
}
/*Iterates over the whole Active Directory starting from the parent and loops recursively.
* It initializes an OU and adds users/groups/OU*/
private static OrganizationalUnit GetDirectory(OrganizationalUnit parentEntity, DirectoryEntry parent)
{
OrganizationalUnit ou = new OrganizationalUnit(parentEntity, parent.Properties);
foreach (DirectoryEntry entry in parent.Children)
{
string name = parent.Properties["name"][0].ToString();
string typeName = entry.SchemaEntry.Name;
if (typeName.StartsWith("group"))
{
ou.entries.Add(new Group(ou, entry.Properties));
}
else if (typeName.StartsWith("user"))
{
ou.entries.Add(new User(ou, entry.Properties));
}
else if (typeName.StartsWith("organization"))
{
ou.entries.Add(GetDirectory(new OrganizationalUnit(ou, entry.Properties), entry));
}
}
return(ou);
}