/// <summary>
/// Gets of all user accounts that were modified within the specified time frame.
/// </summary>
/// <param name="ad">The Active Directory to retrieve users from.</param>
/// <param name="startDate">The lower boundary of the time frame.</param>
/// <param name="endDate">The upper boundary of the time frame.</param>
/// <returns>Returns a list of all users that were during the specified period of time.</returns>
static public List <User> GetModifiedUsers(ActiveDirectory ad, DateTime startDate, DateTime endDate)
{
// The LDAP search filter to use to find all the users.
string FILTER = String.Format("(&(objectCategory=person)(objectClass=user)(whenChanged>={0})(whenChanged<={1}))", startDate.ToUniversalTime().ToString("yyyyMMddHHmmss.s") + "Z", endDate.ToUniversalTime().ToString("yyyyMMddHHmmss.s") + "Z");
if (ad != null)
{
// Get the GUIDs of all the users in AD.
// Create a list of attributes that should be retrieved with the query.
List <string> attributes = new List <string>();
attributes.AddRange(ActiveDirectoryObject.AttributeNames);
attributes.AddRange(SecurityPrincipal.AttributeNames);
attributes.AddRange(AttributeNames);
// Search for the users in AD.
List <SearchResultEntry> entries = ad.GetEntries(FILTER, attributes);
// Check whether the search returned results.
if (entries != null)
{
// The search returned results.
// Get user objects from the entries retrieved.
List <User> users = new List <User>();
foreach (SearchResultEntry entry in entries)
{
users.Add(new User(ad, entry));
}
return(users);
}
}
return(new List <User>());
}
/// <summary>
/// Gets all users in the Active Directory.
/// </summary>
/// <param name="ad">The Active Directory to retrieve users from.</param>
/// <returns>A list of all users in the Active Directory.</returns>
static public List <User> GetAllUsers(ActiveDirectory ad)
{
// The LDAP search filter to use to find all the users.
const string FILTER = "(&(objectCategory=person)(objectClass=user))";
if (ad != null)
{
// Get the GUIDs of all the users in AD.
// Create a list of attributes that should be retrieved with the query.
List <string> attributes = new List <string>();
attributes.AddRange(ActiveDirectoryObject.AttributeNames);
attributes.AddRange(SecurityPrincipal.AttributeNames);
attributes.AddRange(AttributeNames);
// Search for the users in AD.
List <SearchResultEntry> entries = ad.GetEntries(FILTER, attributes);
// Check whether the search returned results.
if (entries != null)
{
// The search returned results.
// Get user objects from the entries retrieved.
List <User> users = new List <User>();
foreach (SearchResultEntry entry in entries)
{
users.Add(new User(ad, entry));
}
return(users);
}
}
return(new List <User>());
}
