(Unicode C++) Examine Yahoo Mail IMAP Session Log

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#include <CkJsonObjectW.h>
#include <CkImapW.h>
#include <CkMailboxesW.h>

void ChilkatSample(void)
    {
    // 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"
    // }

    CkJsonObjectW json;
    bool success = json.LoadFile(L"qa_data/tokens/yahooMail.json");
    if (success != true) {
        wprintf(L"Failed to load Yahoo Mail access token file.\n");
        return;
    }

    const wchar_t *accessToken = json.stringOf(L"access_token");

    // Do OAuth2 authentication by using the access token as the password in the Login method below...
    CkImapW imap;

    imap.put_Ssl(true);
    imap.put_Port(993);

    // Tell Chilkat IMAP to keep a session log.
    imap.put_KeepSessionLog(true);

    // Connect to the Yahoo IMAP server.
    success = imap.Connect(L"imap.mail.yahoo.com");
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    // Indicate that XOAUTH2 authentication is to be used:
    imap.put_AuthMethod(L"XOAUTH2");

    // Login
    // Use the email address of the Yahoo Mail account that granted authorization.
    success = imap.Login(L"user@yahoo.com",accessToken);
    if (success != true) {
        wprintf(L"%s\n",imap.lastErrorText());
    }
    else {
        wprintf(L"Successfully authenticated with Yahoo IMAP using XOAUTH2!\n");
    }

    // The ListMailboxes method returns a Mailboxes object
    // that contains the collection of mailboxes.
    // It accepts two arguments: a refName and a wildcardedMailbox.

    const wchar_t *refName = L"";
    // refName is usually set to an empty string.
    // A non-empty reference name argument is the name of a mailbox or a level of
    // mailbox hierarchy, and indicates the context in which the mailbox
    // name is interpreted.

    // Select all mailboxes matching this pattern:
    const wchar_t *wildcardedMailbox = L"*";

    CkMailboxesW *mboxes = imap.ListMailboxes(refName,wildcardedMailbox);
    if (imap.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",imap.lastErrorText());
        return;
    }

    int i = 0;
    while (i < mboxes->get_Count()) {
        wprintf(L"%s\n",mboxes->getName(i));
        i = i + 1;
    }

    // Sample output looks like this:

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

    // Examine the session log
    wprintf(L"%s\n",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();

    delete mboxes;
    }