public ActionResult Connect(ConnectViewModel viewModel)
{
Session.Clear();
var connectionInfo = viewModel.ToConnectionInfo();
var client = new Ldap.LdapClient(connectionInfo);
using (var entry = client.GetNativeEntry(viewModel.BaseDn))
{
try
{
// trigger LDAP BIND
entry.RefreshCache();
// cache LdapConnection info
Session[Keys.SessionData.ConnectionInfo] = connectionInfo;
}
catch (COMException ex)
{
TempData[Keys.TempData.AlertDanger] = "<strong>Error</strong> " + ex.Message;
return(RedirectToAction("connect", new { host = viewModel.Host, port = viewModel.Port, baseDn = viewModel.BaseDn, userDn = viewModel.UserDn }));
}
}
return(RedirectToAction("index"));
}
public ActionResult Index(string currentDn = "")
{
// get cached ldapConnection
var connectionInfo = (Ldap.Data.LdapConnection)Session[Keys.SessionData.ConnectionInfo];
// redirect to connect action is no cached info
if (connectionInfo == null)
{
return(RedirectToAction("connect"));
}
Ldap.Data.LdapTree ldapTree = new Ldap.Data.LdapTree(connectionInfo.GetServerUri());
// key for caching tree data in the global ASP.NET cache
string cacheKey = String.Format("{0}-{1}-{2}-{3}", ldapTree.Server, connectionInfo.UserDn, connectionInfo.BaseDn, connectionInfo.UserDn);
if (!String.IsNullOrEmpty(currentDn))
{
// we must have a cached DirectoryViewModel
ldapTree = (Ldap.Data.LdapTree)HttpContext.Cache[cacheKey];
if (ldapTree == null)
{
// otherwise clear out currentDn
currentDn = "";
}
}
// default to the BaseDn specified in the connection info
if (String.IsNullOrEmpty(currentDn))
{
currentDn = connectionInfo.BaseDn;
}
// compress the DN so we can key off of it
currentDn = currentDn.CompressDn();
// do we need to populate this entry?
ldapTree.CurrentEntry = ldapTree.FindCachedEntry(currentDn);
var populated = (ldapTree.CurrentEntry != null) && (ldapTree.CurrentEntry.Entries.Count > 0);
if (!populated)
{
try
{
var client = new Ldap.LdapClient(connectionInfo);
client.PopulateTree(currentDn, ldapTree);
ldapTree.CurrentEntry = ldapTree.FindCachedEntry(currentDn);
// cache asset data for 30min sliding
HttpContext.Cache.Insert(cacheKey, ldapTree, null,
System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromMinutes(30));
}
catch (SystemException ex)
{
if ((ex is ArgumentException) || (ex is COMException))
{
TempData[Keys.TempData.AlertDanger] = "<strong>Error</strong> " + ex.Message;
}
else
{
throw;
}
}
}
return(View(ldapTree));
}
