public static bool ActiveDirectoryValidation(string userName, DirectoryEntry entry,out string errorMessage)
{
errorMessage = "";
if (String.IsNullOrEmpty(userName)) return false;
var result = false;
var account = new AccountInfo();
var search = new DirectorySearcher(entry);
var extensionAttributesName = ApplicationConfiguration.ActiveDirectoryAttributeName.Split('|');
var extensionAttributesValue = ApplicationConfiguration.ActiveDirectoryAttributeValue.Split('|');
search.Filter = "(SAMAccountName=" + userName + ")";
search.PropertiesToLoad.Add("cn");
search.PropertiesToLoad.Add("mail");
search.PropertiesToLoad.Add("department");
search.PropertiesToLoad.Add("physicalDeliveryOfficeName");
foreach (string extension in extensionAttributesName)
search.PropertiesToLoad.Add(extension);
var searchResult = search.FindOne();
for (int i = 0; i < extensionAttributesName.Length; i++)
{
if (searchResult.Properties[extensionAttributesName[i]].Count == 0)
{
errorMessage = "LDAPError";
return false;
}
if (searchResult.Properties[extensionAttributesName[i]][0].ToString().ToUpper() == extensionAttributesValue[i].ToString().ToUpper())
{
if (searchResult.Properties["cn"].Count > 0)
{
account.SetFullName((String)searchResult.Properties["cn"][0]);
account.SetEmailAddress((String)searchResult.Properties["mail"][0]);
account.SetDepartment((string)searchResult.Properties["department"][0]);
account.SetLocation((string)searchResult.Properties["physicalDeliveryOfficeName"][0]);
result = true;
}
}
}
return result;
}