Has the behavior of S3Uploader changed? about ember-uploader HOT 13 CLOSED

// Import required modules
var crypto = require('crypto'),
      shasum = crypto.createHash('sha1'),
      base64 = function(str){
          var buf = new Buffer(str).toString('base64');
          return buf;
      };

// Setup AWS Variables
var S3_BUCKET_NAME = 'bucket',
      S3_SECRET_KEY = process.env.AWS_SECRET_KEY,
      S3_ACCESS_KEY = process.env.AWS_ACCESS_KEY;

// Export Express.js routes
module.exports = function(app) {
  app.get('/api/admin/files/sign', function (req, res) {
    var params = {
        "name": req.query.name,
        "size": req.query.size,
        "type": req.query.type
    };

    // PUT request to S3 must start within 5 minutes
    var expires = new Date();
    expires.setMinutes(expires.getMinutes() + 5); // 5 minute later

    var objectName = params.name,
        amzHeaders = "x-amz-acl:public-read",
        mimeType = params.type;

    var bucketKey = "uploads/" + params.name; // directory/file path

    var policy= {
      expiration: expires,
      conditions: [
        { bucket: S3_BUCKET_NAME },
        { acl: 'public-read' },
        { expires: expires },
        { success_action_status: '201' },
        [ 'starts-with', '$key', '' ],
        [ 'starts-with', '$Content-Type', '' ],
        [ 'starts-with', '$Cache-Control', '' ],
        [ 'content-length-range', 0, 524288000 ]
      ]
    };

    var policy64 = base64(JSON.stringify(policy));

    var hash, hmac;

    hmac = crypto.createHmac('sha1', S3_SECRET_KEY);

    // change to 'binary' if you want a binary digest
    hmac.setEncoding('base64');

    // write in the text that you want the hmac digest for
    hmac.write(policy64);

    // you can't read from the stream until you call end()
    hmac.end(function(){
      // read out hmac digest
      hash = hmac.read();
      //console.log("The URL is", url);
      console.log('file ' + params.type + ' signed expires ' + expires);
      res.send({
          "acl": "public-read",
          "awsaccesskeyid": S3_ACCESS_KEY,
          "bucket": S3_BUCKET_NAME,
          "region": "us-west-2",
          "Cache-Control": "max-age=259200, public",
          //"AWSAccessKeyId": S3_ACCESS_KEY,
          "Content-Type": params.type,
          "expires": expires.toISOString(),
          "key": bucketKey,
          "policy": policy64,
          "signature": hash,
          "success_action_status": "201"
      });
    });
  });
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