Delphi ActiveX Requires Chilkat v11.0.0+

Examine Yahoo Mail IMAP Session Log

See more Yahoo Mail Examples

To examine the IMAP session log, set the KeepSessionLog property = _TRUE_, and then examine the contents of the SessionLog property. Delphi ActiveX

var
success: Integer;
json: TChilkatJsonObject;
accessToken: WideString;
imap: TChilkatImap;
refName: WideString;
wildcardedMailbox: WideString;
subscribed: Integer;
mboxes: TMailboxes;
i: Integer;

begin
success := 0;

//  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 := TChilkatJsonObject.Create(Self);
success := json.LoadFile('qa_data/tokens/yahooMail.json');
if (success <> 1) then
  begin
    Memo1.Lines.Add('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 := TChilkatImap.Create(Self);

imap.Ssl := 1;
imap.Port := 993;

//  Tell Chilkat IMAP to keep a session log.
imap.KeepSessionLog := 1;

//  Connect to the Yahoo IMAP server.
success := imap.Connect('imap.mail.yahoo.com');
if (success = 0) then
  begin
    Memo1.Lines.Add(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 <> 1) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
  end
else
  begin
    Memo1.Lines.Add('Successfully authenticated with Yahoo IMAP using XOAUTH2!');
  end;

//  Get the list of mailboxes.
refName := '';
wildcardedMailbox := '*';
subscribed := 0;

mboxes := TMailboxes.Create(Self);
success := imap.MbxList(subscribed,refName,wildcardedMailbox,mboxes.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(imap.LastErrorText);
    Exit;
  end;

i := 0;
while i < mboxes.Count do
  begin
    Memo1.Lines.Add(mboxes.GetName(i));
    i := i + 1;
  end;

//  Sample output looks like this:

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

//  Examine the session log
Memo1.Lines.Add(imap.SessionLog);

//  Sample session log

//  ----INFO----
//  Connecting to IMAP server at imap.mail.yahoo.com:993
//  ----IMAP RESPONSE----
//  * OK [CAPABILITY IMAP4rev1 SASL-IR AUTH=PLAIN AUTH=XOAUTH2 AUTH=OAUTHBEARER ID MOVE NAMESPACE XYMHIGHESTMODSEQ UIDPLUS LITERAL+ CHILDREN X-MSG-EXT OBJECTID] IMAP4rev1 Hello
//  ----IMAP REQUEST----
//  aaab AUTHENTICATE XOAUTH2 
//  ----IMAP RESPONSE----
//  aaab OK AUTHENTICATE completed
//  ----IMAP REQUEST----
//  aaac LIST "" "*"
//  ----IMAP RESPONSE----
//  * LIST (\Archive \HasNoChildren) "/" "Archive"
//  * LIST (\Junk \HasNoChildren) "/" "Bulk Mail"
//  * LIST (\Drafts \HasNoChildren) "/" "Draft"
//  * LIST (\HasChildren) "/" "Inbox"
//  * LIST (\HasNoChildren) "/" "Inbox/emailsWithAttach"
//  * LIST (\HasNoChildren) "/" "Inbox/test"
//  * LIST (\Sent \HasNoChildren) "/" "Sent"
//  * LIST (\Trash \HasNoChildren) "/" "Trash"
//  aaac OK LIST completed

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