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Pascal (Lazarus/Delphi)

List Yahoo Mail IMAP Mailboxes

See more Yahoo Mail Examples

List Yahoo Mail mailboxes.

Chilkat Pascal (Lazarus/Delphi) Downloads

Pascal (Lazarus/Delphi)
program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Mailboxes,
  Chilkat.Imap,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  json: TJsonObject;
  accessToken: string;
  imap: TImap;
  refName: string;
  wildcardedMailbox: string;
  subscribed: Boolean;
  mboxes: TMailboxes;
  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 := TJsonObject.Create;
  success := json.LoadFile('qa_data/tokens/yahooMail.json');
  if (success <> True) then
    begin
      WriteLn('Failed to load Yahoo Mail access token file.');
      Exit;
    end;
  accessToken := json.StringOf('access_token');

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

  imap.Ssl := True;
  imap.Port := 993;

  //  Connect to the Yahoo IMAP server.
  success := imap.Connect('imap.mail.yahoo.com');
  if (success = False) then
    begin
      WriteLn(imap.LastErrorText);
      Exit;
    end;

  //  Indicate that XOAUTH2 authentication is to be used:
  imap.AuthMethod := 'XOAUTH2';

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

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

  mboxes := TMailboxes.Create;
  success := imap.MbxList(subscribed,refName,wildcardedMailbox,mboxes);
  if (success = False) then
    begin
      WriteLn(imap.LastErrorText);
      Exit;
    end;

  i := 0;
  while i < mboxes.Count do
    begin
      WriteLn(mboxes.GetName(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 := imap.Disconnect();


  json.Free;
  imap.Free;
  mboxes.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.