cre-nodejs-server/examples/upload/uploadHandler.js

node.js server

var fs = require("fs"),
    formidable = require("formidable");

module.exports = function handle(request, response) {
  var form;
  
  console.log("Request handler 'upload' was called.");
  
  form = new formidable.IncomingForm();
  console.log("about to parse");
  form
		.parse(
    request, 
			function (
				error, 
				fields, 
				files) {
      
      console.log(files.upload.path);
      
      console.log("parsing done");
      
      /* Possible error on Windows systems:
				tried to rename to an already existing file */
				fs.rename(
        files.upload.path, 
					"/tmp/test.png", 
					function (error) {
          if (error) {
            fs.unlink("/tmp/test.png");
            fs.rename(files.upload.path, "/tmp/test.png");
          }
        });
      
      response.writeHead(200, { "Content-Type": "text/html" });
      response.write("received image:<br/>");
      response.write("<img src='/temp/test.png' />");
      response.end();
    });
};