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(DataFlex) Scan for Emails with Attachments and Save Attachments to Files

Scan for emails with attachments and save attachments.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoImap
    Boolean iSuccess
    Variant vMessageSet
    Handle hoMessageSet
    Boolean iFetchUids
    Variant vBundle
    Handle hoBundle
    Integer i
    Variant vEmail
    Handle hoEmail
    Integer iNumAttach
    String sUidStr
    Integer iUid
    Variant vFullEmail
    Handle hoFullEmail
    Integer j
    String sFilename
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

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

    // Connect to an IMAP server.
    // Use TLS
    Set ComSsl Of hoImap To True
    Set ComPort Of hoImap To 993
    Get ComConnect Of hoImap "imap.someMailServer.com" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Login
    Get ComLogin Of hoImap "myLogin" "myPassword" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Select an IMAP mailbox
    Get ComSelectMailbox Of hoImap "Inbox" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // We can choose to fetch UIDs or sequence numbers.
    Move True To iFetchUids

    // Get the message IDs of all the emails in the mailbox
    Get ComSearch Of hoImap "ALL" iFetchUids To vMessageSet
    If (IsComObject(vMessageSet)) Begin
        Get Create (RefClass(cComChilkatMessageSet)) To hoMessageSet
        Set pvComObject Of hoMessageSet To vMessageSet
    End
    Get ComLastMethodSuccess Of hoImap To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Fetch the email headers into a bundle object:

    Get ComFetchHeaders Of hoImap vMessageSet To vBundle
    If (IsComObject(vBundle)) Begin
        Get Create (RefClass(cComChilkatEmailBundle)) To hoBundle
        Set pvComObject Of hoBundle To vBundle
    End
    Get ComLastMethodSuccess Of hoImap To bTemp1
    If (bTemp1 <> True) Begin
        Send Destroy of hoMessageSet
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Scan for emails with attachments, and save the attachments
    // to a sub-directory.

    Get ComMessageCount Of hoBundle To iTemp1
    For i From 0 To (iTemp1 - 1)

        Get ComGetEmail Of hoBundle i To vEmail
        If (IsComObject(vEmail)) Begin
            Get Create (RefClass(cComChilkatEmail)) To hoEmail
            Set pvComObject Of hoEmail To vEmail
        End

        // Does this email have attachments?
        // Use GetMailNumAttach because the attachments
        // are not actually in the email object because
        // we only downloaded headers.
        // (Had we downloaded the full emails by
        // calling mailman.FetchBundle, we could look
        // at the email object's NumAttachments property.)
        Get ComGetMailNumAttach Of hoImap vEmail To iNumAttach

        If (iNumAttach > 0) Begin
            // Download the entire email and save the
            // attachments. (Remember, we 
            // need to download the entire email because
            // only the headers were previously downloaded.
            // If the entire emails were downloaded by
            // calling FetchBundle instead of FetchHeaders,
            // this would not be necessary.

            // The ckx-imap-uid header field is added when
            // headers are downloaded.  This makes it possible
            // to get the UID from the email object.
            Get ComGetHeaderField Of hoEmail "ckx-imap-uid" To sUidStr
            Move sUidStr To iUid

            Get ComFetchSingle Of hoImap iUid True To vFullEmail
            If (IsComObject(vFullEmail)) Begin
                Get Create (RefClass(cComChilkatEmail)) To hoFullEmail
                Set pvComObject Of hoFullEmail To vFullEmail
            End
            Get ComLastMethodSuccess Of hoImap To bTemp1
            If (bTemp1 = True) Begin
                Get ComSaveAllAttachments Of hoFullEmail "attachmentsDir" To iSuccess
                Send Destroy of hoFullEmail
            End

            For j From 0 To (iNumAttach - 1)
                Get ComGetMailAttachFilename Of hoImap vEmail j To sFilename
                Showln sFilename
            Loop

        End

        Send Destroy of hoEmail
    Loop

    // Disconnect from the IMAP server.
    Get ComDisconnect Of hoImap To iSuccess

    Send Destroy of hoMessageSet
    Send Destroy of hoBundle


End_Procedure

 

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