private static bool TryConnectInner(string server, string userName, string password, bool isThrowException = false)
{
user = LDAPAuthHelper.CreateUserFromInputData(userName, AuthType.Basic);
var authType = AuthType.Basic;
var networkCredential = LDAPAuthHelper.CreateNetworkCredential(user, userName, password, authType);
try
{
Console.WriteLine($"Creating LDAP connection to '{server}'.");
connection = new LdapConnection(server)
{
AuthType = authType,
AutoBind = true,
Credential = networkCredential
};
connection.SessionOptions.ProtocolVersion = 3;
var domain = LDAPAuthHelper.GetDomainNameFromDistinguishedName(db);
// Since UPN allows to define various suffixes and combination of UPN with Kerberos requires
// exact domain name in the provided credential we have to create correct domain name
// from configured domain distinguished name in this case, also we can use full non-parsed username
if (authType == AuthType.Kerberos && user.LoginType == LoginType.Upn)
{
networkCredential.Domain = domain;
networkCredential.UserName = userName;
}
// We have to do additional check for the user name
// because of the following LDAP bind bug https://stackoverflow.com/questions/1153703/ldap-bind-s-returning-ldap-success-with-wrong-credentials
connection.Bind(networkCredential);
Console.WriteLine($"The user account '{userName}' was successfully connected to LDAP server '{server}' using '{authType}' authentication type.");
// Get full SAM and UPN user names from LDAP and verify the value is equal to the login
// provided by user in login page or LDAP test connection form
var logins = GetUserLogins();
var login = logins.FirstOrDefault(x =>
(user.LoginType == LoginType.Sam ? x.Sam : x.Upn).Equals(userName,
StringComparison.InvariantCultureIgnoreCase));
if (login == null && user.LoginType == LoginType.Upn)
{
// maybe we have short hand login like ldap@automation
// that we can convert to [email protected]
var userWitouhtDomain = user.Name;
var userWithDomain = userWitouhtDomain + "@" + domain;
login = logins.FirstOrDefault(x => x.Upn.Equals(userWithDomain, StringComparison.InvariantCultureIgnoreCase));
}
if (login != null)
{
user.UserUpn = login.Upn;
user.UserDn = GetUserDN();
Console.WriteLine($"The user account '{userName}' was successfully verified using LDAP attributes.");
return(true);
}
Console.WriteLine($"The user account '{userName}' was not verified using LDAP attributes.");
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
return(false);
}
