(DataFlex) Office365 IMAP with OAuth2 Authentication

See more Office365 Examples

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

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoJsonToken
    Boolean iSuccess
    Handle hoImap
    String sTemp1

    // 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.
    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonToken
    If (Not(IsComObjectCreated(hoJsonToken))) Begin
        Send CreateComObject of hoJsonToken
    End
    Get ComLoadFile Of hoJsonToken "qa_data/tokens/office365.json" To iSuccess
    If (iSuccess = False) Begin
        Showln "Failed to open the office365 OAuth JSON file."
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatImap)) To hoImap
    If (Not(IsComObjectCreated(hoImap))) Begin
        Send CreateComObject of hoImap
    End

    Set ComSsl Of hoImap To True
    Set ComPort Of hoImap To 993

    // Connect to the Office365 IMAP server.
    Get ComConnect Of hoImap "outlook.office365.com" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Use OAuth2 authentication.
    Set ComAuthMethod Of hoImap To "XOAUTH2"

    // Login using our username (i.e. email address) and the access token for the password.
    Get ComStringOf Of hoJsonToken "access_token" To sTemp1
    Get ComLogin Of hoImap "OFFICE365_EMAIL_ADDRESS" sTemp1 To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "O365 OAuth authentication is successful."

    // Do something...
    Get ComSelectMailbox Of hoImap "Inbox" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

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

    // When finished, logout and close the connection.
    Get ComLogout Of hoImap To iSuccess
    Get ComDisconnect Of hoImap To iSuccess

    Showln "Finished."


End_Procedure