image resize and upload to rackspace

README.md

• Place both the files (app.js and package.json) in the same folder and run npm install in your terminal.
• node app.js in your terminal
• Then visit http://localhost:8000/

app.js

// Make sure you replace USERNAME, API_KEY and YOUR_CONTAINER with your real rackspace credentials

var formidable = require('formidable'),
    http = require('http'),
    im = require('imagemagick'),
    fs = require('fs'),
    cloudfiles  = require('cloudfiles'),
    util = require('util'),
    config = {
      rs_cloudfiles: {
        auth: {
          username: "USERNAME",
          apiKey: "API_KEY",
          host: "lon.auth.api.rackspacecloud.com"
        }
      },
      rs_container: "YOUR_CONTAINER"
    }

http.createServer(function(req, res) {
  if (req.url == '/upload' && req.method.toLowerCase() == 'post') {
    // parse a file upload
    var form = new formidable.IncomingForm();

    form.parse(req, function(err, fields, files) {
      //res.writeHead(200, {'content-type': 'text/plain'});
      //res.write('received upload:nn');
      //res.end(util.inspect({fields: fields, files: files}));

      im.resize({
        srcData: fs.readFileSync(files.images.path, 'binary'),
        width:   256
      }, function(err, stdout, stderr){
        if (err) throw err
        //res.writeHead(200, {"Content-Type": "image/jpeg"});
        //res.write(stdout, "binary");
        //res.end();

        var client = cloudfiles.createClient(config.rs_cloudfiles);
        var cdnUri = ''

        client.setAuth(function() {
          client.getContainer(config.rs_container, true, addFileToContainer);
        });

        function addFileToContainer(err, container) {
          var options = {
              remote: files.images.name
            , headers: {
                  'content-type': files.images.type
              }
            , stream: stdout }
            , cdnUri = container.cdnUri
          client.addFile(config.rs_container, options, onUploadToContainer);
        }

        function onUploadToContainer(err, uploaded) {
          if (err) throw err;
          if (uploaded) res.write(cdnUri+files.images.name)
        }

      });

    });
    return;
  }




  // show a file upload form
  res.writeHead(200, {'content-type': 'text/html'});
  res.end(
    '<form action="/upload" enctype="multipart/form-data" method="post">'+
    '<input type="text" name="title"><br>'+
    '<input type="file" name="images" multiple="multiple"><br>'+
    '<input type="submit" value="Upload">'+
    '</form>'
  );
}).listen(8000);

package.json

{
    "name": "test123"
  , "description": "image resize and upload to rackspace"
  , "version": "0.0.1"
  , "private": true
  , "author": "Madhusudhan M S (http://github.com/madhums)"
  , "engines": {
      "node": ">= 0.6.5"
    }
  , "dependencies": {
      "cloudfiles" : "0.3.3"
    , "imagemagick" : "0.1.2"
    , "formidable" : "1.0.9"
  }
}