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Xbase++

Office365 IMAP with OAuth2 Authentication

See more Office365 Examples

Demonstrates how to authenticate using OAuth2 with outlook.office365.com.

Chilkat Xbase++ Downloads

Xbase++
LOCAL nSuccess
LOCAL oJsonToken
LOCAL oImap

nSuccess := 0

//  An Office365 OAuth2 access token must first be obtained prior
//  to running this code.

//  Getting the OAuth2 access token for the 1st time requires the O365 account owner's 
//  interactive authorizaition via a web browser.  Afterwards, the access token
//  can be repeatedly refreshed automatically.

//  See the following examples for getting and refreshing an OAuth2 access token

//  Get Office365 SMTP/IMAP/POP3 OAuth2 Access Token
//  Refresh Office365 SMTP/IMAP/POP3 OAuth2 Access Token

//  First get our previously obtained OAuth2 access token.
oJsonToken := CreateObject("Chilkat.JsonObject")
nSuccess := oJsonToken:LoadFile("qa_data/tokens/office365.json")
IF (nSuccess == 0)
    ? "Failed to open the office365 OAuth JSON file."
    oJsonToken:destroy()
    RETURN
ENDIF

oImap := CreateObject("Chilkat.Imap")

oImap:Ssl := 1
oImap:Port := 993

//  Connect to the Office365 IMAP server.
nSuccess := oImap:Connect("outlook.office365.com")
IF (nSuccess != 1)
    ? oImap:LastErrorText
    oJsonToken:destroy()
    oImap:destroy()
    RETURN
ENDIF

//  Use OAuth2 authentication.
oImap:AuthMethod := "XOAUTH2"

//  Login using our username (i.e. email address) and the access token for the password.
nSuccess := oImap:Login("OFFICE365_EMAIL_ADDRESS", oJsonToken:StringOf("access_token"))
IF (nSuccess != 1)
    ? oImap:LastErrorText
    oJsonToken:destroy()
    oImap:destroy()
    RETURN
ENDIF

? "O365 OAuth authentication is successful."

//  Do something...
nSuccess := oImap:SelectMailbox("Inbox")
IF (nSuccess != 1)
    ? oImap:LastErrorText
    oJsonToken:destroy()
    oImap:destroy()
    RETURN
ENDIF

//  Your application can continue to do other things in the IMAP session....

//  When finished, logout and close the connection.
nSuccess := oImap:Logout()
nSuccess := oImap:Disconnect()

? "Finished."

oJsonToken:destroy()
oImap:destroy()