private string CheckAuthenticated(string domain, string username, string passwd)
{
Logger.Info(_logMsg.Clear().SetPrefixMsg("Check Authenticated").Add("Domain", domain).Add("Username", username).ToInputLogString());
DirectorySearcher search = null;
string domainAndUsername = domain + @"\" + username.ToLower().NullSafeTrim();
_entry = new DirectoryEntry(_path, domainAndUsername, passwd);
// Check user lock
string rootDomain = WebConfig.GetLdapDomain();
string rootUsername = WebConfig.GetLdapUsername();
string rootPassword = WebConfig.GetLdapPassword();
string rootDomainAndUsername = rootDomain + @"\" + rootUsername;
try
{
// Bind to the native AdsObject to force authentication.
//object obj = entry.NativeObject;
// Find cn and userAccountControl filter by SAMAccountName
search = new DirectorySearcher(_entry);
search.Filter = string.Format("(SAMAccountName={0})", username);
search.PropertiesToLoad.Add("cn");
search.PropertiesToLoad.Add("description");
search.PropertiesToLoad.Add("mail");
search.PropertiesToLoad.Add("userAccountControl");
SearchResult result = search.FindOne();
if (null == result)
{
return("NO_RESULT");
}
// Update the new path to the user in the directory.
_path = result.Path;
_filterCn = (string)result.Properties["cn"][0];
// Check employeeId (in description parameter)
if (result.Properties["description"].Count != 0)
{
_employeeId = (string)result.Properties["description"][0];
}
else
{
_employeeId = string.Empty;
}
// Check email (in mail parameter)
if (result.Properties["mail"].Count != 0)
{
_email = (string)result.Properties["mail"][0];
}
else
{
_email = string.Empty;
}
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Domain", domain).Add("Username", username)
.Add("Path", _path).Add("CN", _filterCn).Add("EmployeeID", _employeeId).Add("Email", _email).ToSuccessLogString());
return("SUCCESS");
}
catch (Exception ex)
{
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Domain", domain)
.Add("Username", username).Add("Error Message", ex.Message).ToFailLogString());
DirectorySearcher ds = null;
DirectoryEntry rootEntry = null;
try
{
rootEntry = new DirectoryEntry(_path, rootDomainAndUsername, rootPassword);
ds = new DirectorySearcher(rootEntry);
ds.SearchScope = SearchScope.Subtree;
ds.Filter = String.Format("(&(objectCategory=person)(anr={0}))", username);
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication")
.Add("ds.Filter", string.Format("(&(objectCategory=person)(anr={0}))", username))
.ToOutputLogString());
SearchResultCollection src = ds.FindAll();
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Username", username)
.Add("src.Count", src.Count).ToOutputLogString());
Int64 lockoutTime = 0;
foreach (SearchResult sr in src)
{
if ((sr != null) && (sr.Properties["userAccountControl"].Count > 0))
{
ResultPropertyValueCollection uacCollection = sr.Properties["userAccountControl"];
Int32 userAccountControl = (Int32)uacCollection[0];
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Username", username)
.Add("UserAccountControl", userAccountControl).ToOutputLogString());
if (sr.Properties["lockouttime"].Count > 0)
{
ResultPropertyValueCollection valueCollection = sr.Properties["lockouttime"];
lockoutTime = (Int64)valueCollection[0];
}
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Username", username)
.Add("LockoutTime", lockoutTime).ToOutputLogString());
// Check userAccountControl
bool enabledUser = true;
IList <string> uacDisabled = StringHelpers.ConvertStringToList(WebConfig.GetLdapUacDisabled());
for (int i = 0; i < uacDisabled.Count; i++)
{
if (userAccountControl == Int32.Parse(uacDisabled[i]))
{
enabledUser = false;
}
}
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Username", username)
.Add("AccountEnabled", enabledUser).ToOutputLogString());
if (!enabledUser)
{
return("ACCOUNTDISABLE");
}
else if (lockoutTime > 0)
{
return("LOCKOUT");
}
}
}
}
catch (InvalidOperationException exc)
{
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Username", username).Add("Error Message", exc.Message).ToFailLogString());
Logger.Error("InvalidOperationException occur:\n", ex);
throw new CustomException(Resource.Msg_CannotConnectToAD);
}
catch (NotSupportedException exc)
{
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Username", username).Add("Error Message", exc.Message).ToFailLogString());
Logger.Error("NotSupportedException occur:\n", ex);
throw new CustomException(Resource.Msg_CannotConnectToAD);
}
catch (Exception exc)
{
Logger.Info(_logMsg.Clear().SetPrefixMsg("01:LdapAuthentication").Add("Username", username).Add("Error Message", exc.Message).ToFailLogString());
Logger.Error("Exception occur:\n", ex);
throw new CustomException(Resource.Msg_CannotConnectToAD);
}
finally
{
if (ds != null)
{
ds.Dispose();
ds = null;
}
if (rootEntry != null)
{
rootEntry.Dispose();
rootEntry = null;
}
}
return("FAILED");
}
finally
{
if (search != null)
{
search.Dispose();
search = null;
}
}
}