(DataFlex) Send SOAP multipart/related with XML Body and Zip Attachment

Demonstrates how to construct and send a multipart/related POST containing a SOAP XML body and a binary zip attachment.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoRest
    Boolean iSuccess
    Handle hoXml
    Variant vBd
    Handle hoBd
    Boolean iBAutoReconnect
    String sResponseStr
    Variant vBdRequest
    Handle hoBdRequest
    String sTemp1
    Boolean bTemp1

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

    // This example constructs and sends the following HTTP request.
    // (The boundary strings will be different and auto-generated by Chilkat)

    // Accept-Encoding: gzip,deflate
    // SOAPAction: invio
    // Content-Type: Multipart/Related; boundary="MIME_boundary"; type="text/xml"; start="mailto:rootpart@soapui.org"
    // MIME-Version: 1.0
    // 
    // --MIME_boundary
    // Content-Type: text/xml; charset=UTF-8
    // Content-Transfer-Encoding: 8bit
    // Content-ID: <rootpart@soapui.org>
    //  
    // <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:urn="urn:attachment.ws.it">
    // <soapenv:Header/>
    // <soapenv:Body>
    //   <urn:inputBean>
    //    <nomeFileAllegato>myfile.zip</nomeFileAllegato>
    //   </urn:inputBean>
    // </soapenv:Body>
    // </soapenv:Envelope>
    //  
    // --MIME_boundary
    // Content-Type: application/zip
    // Content-Transfer-Encoding: binary
    // Content-ID: <myfile.zip>
    // Content-Disposition: attachment; name="myfile.zip"; filename="myfile.zip"
    // 
    // ... binary zip data goes here ...
    // --MIME_boundary--
    // 

    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End

    Get ComAddHeader Of hoRest "Accept-Encoding" "gzip,deflate" To iSuccess
    Get ComAddHeader Of hoRest "SOAPAction" "invio" To iSuccess
    Get ComAddHeader Of hoRest "Content-Type" 'Multipart/Related; boundary="MIME_boundary"; type="text/xml"; start="mailto:rootpart@soapui.org"' To iSuccess
    Get ComAddHeader Of hoRest "MIME-Version" "1.0" To iSuccess

    // Build the SOAP XML:
    // Use this online tool to generate the code from sample XML: 
    // Generate Code to Create XML

    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Set ComTag Of hoXml To "soapenv:Envelope"
    Get ComAddAttribute Of hoXml "xmlns:soapenv" "http://schemas.xmlsoap.org/soap/envelope/" To iSuccess
    Get ComAddAttribute Of hoXml "xmlns:urn" "urn:attachment.ws.it" To iSuccess
    Send ComUpdateChildContent To hoXml "soapenv:Header" ""
    Send ComUpdateChildContent To hoXml "soapenv:Body|urn:inputBean|nomeFileAllegato" "myfile.zip"

    // Build the SOAP XML sub-part
    Set ComPartSelector Of hoRest To "1"
    Get ComAddHeader Of hoRest "Content-Type" "text/xml; charset=UTF-8" To iSuccess
    Get ComAddHeader Of hoRest "Content-Transfer-Encoding" "8bit" To iSuccess
    Get ComAddHeader Of hoRest "Content-ID" "<rootpart@soapui.org>" To iSuccess
    Get ComGetXml Of hoXml To sTemp1
    Get ComSetMultipartBodyString Of hoRest sTemp1 To iSuccess

    // Build the sub-part containing the .zip
    Set ComPartSelector Of hoRest To "2"
    Get ComAddHeader Of hoRest "Content-Type" "application/zip" To iSuccess
    Get ComAddHeader Of hoRest "Content-Transfer-Encoding" "binary" To iSuccess
    Get ComAddHeader Of hoRest "Content-ID" "<myfile.zip>" To iSuccess
    Get ComAddHeader Of hoRest "Content-Disposition" 'attachment; name="myfile.zip"; filename="myfile.zip"' To iSuccess

    // Add a zip file to the 2nd sub-part body.
    // This example will load the .zip file into memory, but it is also possible to stream directly from the file as the request is sent
    // by calling SetMultipartBodyStream.
    Get Create (RefClass(cComChilkatBinData)) To hoBd
    If (Not(IsComObjectCreated(hoBd))) Begin
        Send CreateComObject of hoBd
    End
    Get ComLoadFile Of hoBd "qa_data/zips/helloWorld.zip" To iSuccess
    Get pvComObject of hoBd to vBd
    Get ComSetMultipartBodyBd Of hoRest vBd To iSuccess

    // To be safe, always revert the PartSelector back to 0..
    Set ComPartSelector Of hoRest To "0"

    // Send the request by connecting to the web server and then sending..
    // Connect using TLS.
    Move True To iBAutoReconnect
    Get ComConnect Of hoRest "www.chilkatsoft.com" 443 True iBAutoReconnect To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // In this example, we're setting DebugMode.
    // When debug mode is turned on, no request is actually sent.
    // Instead, the request that would be sent is recorded to memory
    // and we can retrieve it afterwards..
    Set ComDebugMode Of hoRest To True

    Get ComFullRequestMultipart Of hoRest "POST" "/someTargetPath" To sResponseStr
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Retrieve the request that would've been sent and save it to a file.
    // We can then examine the file to see if the request was structured as we desired.
    // (Note: The zip bytes will be binary data and will appear as garbled garbage in a text editor..)
    Get Create (RefClass(cComChilkatBinData)) To hoBdRequest
    If (Not(IsComObjectCreated(hoBdRequest))) Begin
        Send CreateComObject of hoBdRequest
    End
    Get pvComObject of hoBdRequest to vBdRequest
    Get ComGetLastDebugRequest Of hoRest vBdRequest To iSuccess
    Get ComWriteFile Of hoBdRequest "qa_output/multipartRelatedRequest.bin" To iSuccess

    Showln "OK, examine the output file.."


End_Procedure