public LDAPHelper(LDAPConnectionInfo Info)
{
var ldapDirectoryIdentifier = new LdapDirectoryIdentifier(Info.HostName, Info.PortNumber, true, false);
var qualifiedUserName = Info.UserNameInNode + "=" + Info.UserName + "," + Info.BindDn;
var networkCredential = new NetworkCredential(qualifiedUserName, Info.Password);
ldapConnection = new LdapConnection(ldapDirectoryIdentifier, networkCredential)
{
AuthType = Info.AuthenticationType
};
ldapConnection.SessionOptions.ProtocolVersion = 3;
if (Info.VerifyServerCertificate)
{
ldapConnection.SessionOptions.VerifyServerCertificate += (conn, cert) => { return(true); }
}
;
if (Info.ConnectionType == LDAPConnectionInfo.ConnType.StartTLS)
{
ldapConnection.SessionOptions.StartTransportLayerSecurity(null);
}
ldapConnection.Bind();
this.searchBaseDN = Info.BindDn;
this.pageSize = Info.PageSize;
}
private void ConnectViaLDAP()
{
try
{
txtTestOutput.Text = "";
txtDetail.Text = "";
LDAPConnectionInfo info = new LDAPConnectionInfo
{
PortNumber = Convert.ToInt32(txtPortNum.Text),
BindDn = txtBaseDn.Text,
HostName = @txtHost.Text,
UserName = txtUserCn.Text,
ConnectionType = chkStartTLS.Checked ? LDAPConnectionInfo.ConnType.StartTLS : LDAPConnectionInfo.ConnType.LDAPS,
UserNameInNode = txtIdentifier.Text,
Password = SecureTheString(txtUserPassword.Text),
PageSize = 1000,
AuthenticationType = AuthType.Basic,
//info.VerifiyDevCertificate = Convert.ToBoolean(ConfigurationManager.AppSettings.Get("verifyDevLDAPCertificate"));
VerifyServerCertificate = chkCertificate.Checked
};
Cursor.Current = Cursors.WaitCursor;
txtTestOutput.Text += "Connecting to Server as " + info.UserName + (info.ConnectionType == LDAPConnectionInfo.ConnType.StartTLS ? " using StartTLS" : " using LDAPS") + " to " + info.HostName + "...." + Environment.NewLine;
var openLDAPHelper = new LDAPHelper(info);
txtTestOutput.Text += Environment.NewLine + "Connection Successful!" + Environment.NewLine + Environment.NewLine;
txtTestOutput.Text += "--------------------------" + Environment.NewLine;
txtTestOutput.Text += "SSL information:" + Environment.NewLine + "Cipher strength: " + openLDAPHelper.ldapConnection.SessionOptions.SslInformation.CipherStrength.ToString() + Environment.NewLine;
txtTestOutput.Text += "Exchange strength: " + openLDAPHelper.ldapConnection.SessionOptions.SslInformation.ExchangeStrength.ToString() + Environment.NewLine;
txtTestOutput.Text += "Protocol: " + openLDAPHelper.ldapConnection.SessionOptions.SslInformation.Protocol.ToString() + Environment.NewLine;
txtTestOutput.Text += "Hash Strength: " + openLDAPHelper.ldapConnection.SessionOptions.SslInformation.HashStrength.ToString() + Environment.NewLine;
txtTestOutput.Text += "Algorithm: " + openLDAPHelper.ldapConnection.SessionOptions.SslInformation.AlgorithmIdentifier.ToString() + Environment.NewLine;
txtTestOutput.Text += "--------------------------" + Environment.NewLine;
txtTestOutput.Text += "Searching in " + info.BindDn + " for " + txtAttributesToLoad.Text + "..." + Environment.NewLine;
//Look up user information from LDAP for display on the web page, like "Welcome Tom Patterson"
var searchFilter = info.UserNameInNode + "=" + info.UserName;
var attributesToLoad = txtAttributesToLoad.Text.Split(',');
var searchResults = openLDAPHelper.GetUserInfo(searchFilter, attributesToLoad);
foreach (var searchResultEntry in searchResults)
{
foreach (SearchResultEntry searchResult in searchResultEntry)
{
foreach (var attribute in attributesToLoad)
{
if (searchResult.Attributes[attribute] != null)
{
txtDetail.Text += searchResult.Attributes[attribute].Name + ": " + searchResult.Attributes[attribute][0].ToString() + Environment.NewLine;
}
}
txtDetail.Text += Environment.NewLine;
}
}
txtTestOutput.Text += Environment.NewLine + "Search Complete. Results below. " + Environment.NewLine;
Cursor.Current = Cursors.Default;
}
catch (LdapException ldex)
{
Cursor.Current = Cursors.Default;
txtTestOutput.Text += " - Fail! \r\n\r\n" + "\r\nUnable to login:\r\n\t" + ldex.Message + "\r\n\r\n" + ldex.ToString();
}
catch (Exception ex)
{
Cursor.Current = Cursors.Default;
txtTestOutput.Text += " - Fail! \r\n\r\n" + "\r\nUnexpected exception occured:\r\n\t" + ex.GetType() + ":" + ex.Message + "\r\n\r\n" + ex.ToString();
}
}