Delphi ActiveX

Using Client Certificate w/ IMAP SSL

Demonstrates how to use a client-side certificate with an IMAP SSL connection. The SetSslClientCert method is called to specify a certificate to be used for the SSL connection. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
imap: TChilkatImap;
certStore: TChilkatCertStore;
jsonCN: TChilkatJsonObject;
cert: TChilkatCert;
cert2: TChilkatCert;
fetchUids: Integer;
messageSet: TMessageSet;
bundle: TChilkatEmailBundle;
headersOnly: Integer;
email: TChilkatEmail;
i: Integer;
numEmails: Integer;

begin
success := 0;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

imap := TChilkatImap.Create(Self);

// To use a secure SSL connection, set SSL and the port:
imap.Ssl := 1;
// The typical port for IMAP SSL is 993
imap.Port := 993;

// Load a certificate from a PFX file and use it.
// Note: Other methods are available to load pre-installed
// certificates from registry-based certificate stores.

// Create an instance of a certificate store object, load a PFX file,
// locate the certificate we need, and use it for signing.
// (a PFX file may contain more than one certificate.)
certStore := TChilkatCertStore.Create(Self);
// The 1st argument is the filename, the 2nd arg is the 
// PFX file's password:
success := certStore.LoadPfxFile('myCertWithPrivateKey.pfx','secret');
if (success = 0) then
  begin
    Memo1.Lines.Add(certStore.LastErrorText);
    Exit;
  end;

// Find the certificate by the subject common name:
jsonCN := TChilkatJsonObject.Create(Self);
jsonCN.UpdateString('CN','cert common name');

cert := TChilkatCert.Create(Self);
success := certStore.FindCert(jsonCN.ControlInterface,cert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(certStore.LastErrorText);
    Exit;
  end;

// If a PFX file is known to contain a single certificate,
// you may load it directly into a Chilkat certificate object.
// This snippet of source code shows how:
cert2 := TChilkatCert.Create(Self);
// The 1st argument is the filename, the 2nd arg is the 
// PFX file's password:
success := cert2.LoadPfxFile('myClientCert.pfx','secret');
if (success = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

// Use the cert:
success := imap.SetSslClientCert(cert.ControlInterface);

// Connect to an IMAP server.
success := imap.Connect('imap.example.com');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Login
success := imap.Login('myLogin','myPassword');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Select an IMAP mailbox
success := imap.SelectMailbox('Inbox');
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Get the message IDs of all the emails in the mailbox
fetchUids := 1;
messageSet := TMessageSet.Create(Self);
success := imap.QueryMbx('ALL',fetchUids,messageSet.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Fetch the emails into a bundle object:
bundle := TChilkatEmailBundle.Create(Self);
headersOnly := 0;
success := imap.FetchMsgSet(headersOnly,messageSet.ControlInterface,bundle.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

// Loop over the bundle and display the FROM and SUBJECT of each.
email := TChilkatEmail.Create(Self);
i := 0;
numEmails := bundle.MessageCount;
while i < numEmails do
  begin
    bundle.EmailAt(i,email.ControlInterface);

    Memo1.Lines.Add(email.From);
    Memo1.Lines.Add(email.Subject);
    Memo1.Lines.Add('--');
    i := i + 1;
  end;

// Disconnect from the IMAP server.
success := imap.Disconnect();
end;