Upload Workflow as Multipart/form-data to vRO using vRO JavaScript

vRO_Upload Workflow as Multipart_form-data using JavaScript.js

/* Inputs
 * (WorkflowCategory) wf_folder
 * (string) wf_zip_path
 * (REST: RESTHost) rest_Host
 */
 
var boundary = System.next UUID();
var crlf "\r\n";

//Generate multipart content
var content = "";
content += "--" + boundary + crlf;
content += "Content-Disposition: form-data; name=\"file\"; filename=\"mywf.workflow\"" + crif;
content += "Content-Type: application/zip" + crlf + crlf;
var fr = new FileReader(wf_zip_path);
fr.open();
content += fr.readAll() + crlf;
content += "--" + boundary + crlf;
content += "Content-Disposition: form-data; name=\"categoryId\"" + crlf + crlf;
content += System.getObjectId(wf_folder) + crlf;
content += "--" + boundary + crlf;
content += "Content-Disposition: form-data; name=\"overwrite\"" + crlf + crlf;
content += true + crlf;
content += "--" + boundary + "--" + crlf;

var req = rest_Host.createRequest("POST", "workflows", content)
req.contentType = "multipart/form-data; boundary=" + boundary;
req.setHeader("Accept", "application/xml");

var reponse = req.execute();

System.log("URL: " + req.fullUrl + " -> " + reponse.statusCode);
if (reponse.statusCode != 202) {
    System.warn("Error during workflow import.");
    System.log("---- Request ----");
    System.log("URL: " + req.fullUrl);
    System.log("Content:\r\n" + content);
    System.log("");
    System.log("");
    System.log("---Response---");
    System.log("Status Code: " + reponse.statusCode);
    System.log("Content: " + reponse.contentAsString);
    var headers = reponse.getAllHeaders();
    for each(var k in headers.keys) {
        System.log("Header [" + k + "]:" + headers.get(k));
    }
    throw "Error during workflow import (HTTP Code: " + reponse.statusCode + ")";
}