starternodejs/requestHandlers.js at master · JoshEllinger/starternodejs · GitHub

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/**
 * File: requestHandlers.js
 * User: joshuaellinger
 * Date: 2/23/13
 */
var querystring = require("querystring"),
  fs = require("fs");

function start(response, postData) {
  console.log("Request handler 'start' was called.");

  var body = '<html>' +
    '<head>' +
    '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />' +
    '</head>' +
    '<body>' +
    '<form action="/upload" method="post">' +
    '<textarea name="text" rows="20" cols="60"></textarea>' +
    '<input type="submit" value="Submit text" />' +
    '</form>' +
    '</body>' +
    '</html>';

  response.writeHead(200, {"Content-Type": "text/html"})
  response.write(body);
  response.end();
}

function upload(response, postData) {
  console.log("Request handler 'upload' was called.");
  response.writeHead(200, {"Content-Type": "text/plain"});
  response.write("You've sent the text: " + querystring.parse(postData).text);
  response.end();
}

function show(response, postData) {
  console.log("Request handler 'show' was called.")
  fs.readFile("/tmp/test.png", 'binary', function (error, file) {
    if (error) {
      response.writeHead(500, {"Content-Type": "text/plain"});
      response.write(error + "\n");
      response.end();
    }
    else {
      response.writeHead(200, {"Content-Type": "image/png"});
      response.write(file, "binary");
      response.end();
    }
  });
}

exports.start = start;
exports.upload = upload;
exports.show = show;