(Node.js) 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.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // 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--
    // 

    var rest = new chilkat.Rest();
    var success;

    rest.AddHeader("Accept-Encoding","gzip,deflate");
    rest.AddHeader("SOAPAction","invio");
    rest.AddHeader("Content-Type","Multipart/Related; boundary=\"MIME_boundary\"; type=\"text/xml\"; start=\"mailto:rootpart@soapui.org\"");
    rest.AddHeader("MIME-Version","1.0");

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

    var xml = new chilkat.Xml();
    xml.Tag = "soapenv:Envelope";
    xml.AddAttribute("xmlns:soapenv","http://schemas.xmlsoap.org/soap/envelope/");
    xml.AddAttribute("xmlns:urn","urn:attachment.ws.it");
    xml.UpdateChildContent("soapenv:Header","");
    xml.UpdateChildContent("soapenv:Body|urn:inputBean|nomeFileAllegato","myfile.zip");

    // Build the SOAP XML sub-part
    rest.PartSelector = "1";
    rest.AddHeader("Content-Type","text/xml; charset=UTF-8");
    rest.AddHeader("Content-Transfer-Encoding","8bit");
    rest.AddHeader("Content-ID","<rootpart@soapui.org>");
    success = rest.SetMultipartBodyString(xml.GetXml());

    // Build the sub-part containing the .zip
    rest.PartSelector = "2";
    rest.AddHeader("Content-Type","application/zip");
    rest.AddHeader("Content-Transfer-Encoding","binary");
    rest.AddHeader("Content-ID","<myfile.zip>");
    rest.AddHeader("Content-Disposition","attachment; name=\"myfile.zip\"; filename=\"myfile.zip\"");

    // 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.
    var bd = new chilkat.BinData();
    success = bd.LoadFile("qa_data/zips/helloWorld.zip");
    success = rest.SetMultipartBodyBd(bd);

    // To be safe, always revert the PartSelector back to 0..
    rest.PartSelector = "0";

    // Send the request by connecting to the web server and then sending..
    // Connect using TLS.
    var bAutoReconnect = true;
    success = rest.Connect("www.chilkatsoft.com",443,true,bAutoReconnect);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // 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..
    rest.DebugMode = true;

    var responseStr = rest.FullRequestMultipart("POST","/someTargetPath");
    if (rest.LastMethodSuccess !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // 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..)
    var bdRequest = new chilkat.BinData();
    rest.GetLastDebugRequest(bdRequest);
    success = bdRequest.WriteFile("qa_output/multipartRelatedRequest.bin");

    console.log("OK, examine the output file..");

}

chilkatExample();