(Visual FoxPro) Examine Yahoo Mail IMAP Session Log

See more Yahoo Mail Examples

To examine the IMAP session log, set the KeepSessionLog property = 1, and then examine the contents of the SessionLog property.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

LOCAL loJson
LOCAL lnSuccess
LOCAL lcAccessToken
LOCAL loImap
LOCAL lcRefName
LOCAL lcWildcardedMailbox
LOCAL loMboxes
LOCAL i

* 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"
* }

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject')
loJson = CreateObject('Chilkat.JsonObject')
lnSuccess = loJson.LoadFile("qa_data/tokens/yahooMail.json")
IF (lnSuccess <> 1) THEN
    ? "Failed to load Yahoo Mail access token file."
    RELEASE loJson
    CANCEL
ENDIF

lcAccessToken = loJson.StringOf("access_token")

* Do OAuth2 authentication by using the access token as the password in the Login method below...
* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Imap')
loImap = CreateObject('Chilkat.Imap')

loImap.Ssl = 1
loImap.Port = 993

* Tell Chilkat IMAP to keep a session log.
loImap.KeepSessionLog = 1

* Connect to the Yahoo IMAP server.
lnSuccess = loImap.Connect("imap.mail.yahoo.com")
IF (lnSuccess <> 1) THEN
    ? loImap.LastErrorText
    RELEASE loJson
    RELEASE loImap
    CANCEL
ENDIF

* Indicate that XOAUTH2 authentication is to be used:
loImap.AuthMethod = "XOAUTH2"

* Login
* Use the email address of the Yahoo Mail account that granted authorization.
lnSuccess = loImap.Login("user@yahoo.com",lcAccessToken)
IF (lnSuccess <> 1) THEN
    ? loImap.LastErrorText
ELSE
    ? "Successfully authenticated with Yahoo IMAP using XOAUTH2!"
ENDIF

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

lcRefName = ""
* 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:
lcWildcardedMailbox = "*"

loMboxes = loImap.ListMailboxes(lcRefName,lcWildcardedMailbox)
IF (loImap.LastMethodSuccess = 0) THEN
    ? loImap.LastErrorText
    RELEASE loJson
    RELEASE loImap
    CANCEL
ENDIF

i = 0
DO WHILE i < loMboxes.Count
    ? loMboxes.GetName(i)
    i = i + 1
ENDDO

* Sample output looks like this:

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

* Examine the session log
? loImap.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.
lnSuccess = loImap.Disconnect()

RELEASE loMboxes

RELEASE loJson
RELEASE loImap