using System.DirectoryServices;
using System.DirectoryServices.AccountManagement;
using System.DirectoryServices.ActiveDirectory;
public partial class Admin :
System.Web.UI.Page
{
Common common = new
Common();
protected void
Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
//Getting the Current user name
string username = common.ExtractUserName(User.Identity.Name);
UserPrincipal user = UserPrincipal.FindByIdentity(new PrincipalContext(ContextType.Domain), IdentityType.SamAccountName,
username);
ArrayList adminGroups =
common.GetAdminGroups();//Get the Admin Groups
ArrayList groups =
common.getGroupsByPrincipal(user);//Get the User
Groups
groups.Add(user.DisplayName.ToLower().Trim());
groups.Add(user.SamAccountName.ToLower().Trim());
getUsersAndGroup();
bool redirect = true;
//Check wheather user is admin or not
if (adminGroups.Count > 0)
{
foreach (string
adminGroup in adminGroups)
{
if (groups.Contains(adminGroup))
{
redirect = false;
break;
}
}
if (redirect)
{
Response.Redirect("Default.aspx", true);
}
}
}
}
private void getUsersAndGroup()
{
try
{
ArrayList allUsers = this.getAllUsers();
ArrayList allGroups = this.getAllGroups();
DataTable dtGroups = new
DataTable();
dtGroups.Columns.Add("Groups");
for (int i = 0; i < allGroups.Count; i++)
{
DataRow row = dtGroups.NewRow();
row[0] = allGroups[i];
dtGroups.Rows.Add(row);
}
ddlGroup.DataSource = dtGroups;
ddlGroup.DataTextField = "Groups";
ddlGroup.DataValueField = "Groups";
ddlGroup.DataBind();
}
catch (Exception
ex)
{
ErrorLog.Log(ex);
}
}
public DataTable
getUsers(string username)
{
DataTable dtUsers = new
DataTable();
dtUsers.Columns.Add("users");
try
{
// create domain context
PrincipalContext ctx = new
PrincipalContext(ContextType.Domain);
// fetch your group
GroupPrincipal group = GroupPrincipal.FindByIdentity(ctx,
username);
// enumerate over the group's members
foreach (Principal
p in group.Members)
{
DataRow row = dtUsers.NewRow();
row[0] = p.Name;
dtUsers.Rows.Add(row);
//Console.WriteLine("Principal '{0}',
type '{1}'", p.Name, p.StructuralObjectClass);
}
}
catch (Exception
ex)
{
ErrorLog.Log(ex);
}
return dtUsers;
}
private ArrayList
getAllUsers()
{
return getADObjectsForClass("User");
}
private ArrayList
getAllGroups()
{
return getADObjectsForClass("Group");
}
private ArrayList
getADObjectsForClass(string objectClass)
{
ArrayList list = new
ArrayList();
try
{
DirectoryEntry dirEntry = new
DirectoryEntry("LDAP://"
+ System.Configuration.ConfigurationManager.AppSettings["DomainName"]); //Enter
the domain name here
DirectorySearcher dirSearcher = new DirectorySearcher();
dirSearcher.SearchRoot = dirEntry;
dirSearcher.Filter = "(objectClass="
+ objectClass + ")";
dirSearcher.PropertiesToLoad.Add("cn");
SearchResultCollection res =
dirSearcher.FindAll();
foreach (SearchResult
objectUnit in res)
{
list.Add(objectUnit.Properties["cn"][0].ToString());
}
}
catch (Exception
ex)
{
ErrorLog.Log(ex);
}
return list;
}
}
