Delphi DLL

List Yahoo Mail IMAP Mailboxes

See more Yahoo Mail Examples

List Yahoo Mail mailboxes. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
json: HCkJsonObject;
accessToken: PWideChar;
imap: HCkImap;
refName: PWideChar;
wildcardedMailbox: PWideChar;
subscribed: Boolean;
mboxes: HCkMailboxes;
i: Integer;

begin
success := False;

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

// See Get Yahoo Mail OAuth2 Access Token for Desktop App 
// for sample code showing how to obtain a Yahoo Mail access token.

// In this example, our access token was previously saved to the following file which contains JSON like this:
// {
//   "access_token": "kCVQdnOdul...LHucA--",
//   "refresh_token": "AIenVXETSo0jklFBVkPS8vVm8E.Ej9ToRG.xDbDYmZ65WIs5t6CZhDrD",
//   "expires_in": 3600,
//   "token_type": "bearer",
//   "xoauth_yahoo_guid": "HGDQCVF5JB4YDOWHITQJFBHCWA"
// }

json := CkJsonObject_Create();
success := CkJsonObject_LoadFile(json,'qa_data/tokens/yahooMail.json');
if (success <> True) then
  begin
    Memo1.Lines.Add('Failed to load Yahoo Mail access token file.');
    Exit;
  end;
accessToken := CkJsonObject__stringOf(json,'access_token');

// Do OAuth2 authentication by using the access token as the password in the Login method below...
imap := CkImap_Create();

CkImap_putSsl(imap,True);
CkImap_putPort(imap,993);

// Connect to the Yahoo IMAP server.
success := CkImap_Connect(imap,'imap.mail.yahoo.com');
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

// Indicate that XOAUTH2 authentication is to be used:
CkImap_putAuthMethod(imap,'XOAUTH2');

// Login
// Use the email address of the Yahoo Mail account that granted authorization.
success := CkImap_Login(imap,'user@yahoo.com',accessToken);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
  end
else
  begin
    Memo1.Lines.Add('Successfully authenticated with Yahoo IMAP using XOAUTH2!');
  end;

// Get the list of mailboxes.
refName := '';
wildcardedMailbox := '*';
subscribed := False;

mboxes := CkMailboxes_Create();
success := CkImap_MbxList(imap,subscribed,refName,wildcardedMailbox,mboxes);
if (success = False) then
  begin
    Memo1.Lines.Add(CkImap__lastErrorText(imap));
    Exit;
  end;

i := 0;
while i < CkMailboxes_getCount(mboxes) do
  begin
    Memo1.Lines.Add(CkMailboxes__getName(mboxes,i));
    i := i + 1;
  end;

// Sample output looks like this:

// Archive
// Bulk Mail
// Draft
// Inbox
// Inbox/emailsWithAttach
// Inbox/test
// Sent
// Trash

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

CkJsonObject_Dispose(json);
CkImap_Dispose(imap);
CkMailboxes_Dispose(mboxes);

end;