copyS3.js

/*
This example throws this (uncatchable) exception:
/node_modules/aws-sdk/lib/request.js:34
        throw e;
              ^
NoSuchKey: The specified key does not exist.
*/

var secrets = require('./secrets').development;

// AWS
var AWS = require('aws-sdk');
AWS.config.update(secrets.aws);
var s3 = new AWS.S3();
var s3bucket = secrets.s3bucket;

function copyFile(cpObj, callback)
{
  s3.copyObject({Bucket: s3bucket, Key: cpObj.newKey, CopySource: s3bucket+"/"+cpObj.copySource, ACL: "public-read"}, function(err, data){
    if(err) {
      console.dir(cpObj);
      throw(err);
    }
    callback(null);
  });
}

var new_id = "f0g5i3u3uhv6";
var old_id = "2ith82kkw2zu9";
var oldKey = "2ith82kkw2zu9/orig/010.jpg";
var newKey = oldKey.replace(old_id,new_id);

var opts = {
  CopySource: s3bucket+"/"+oldKey,
  Bucket: s3bucket,
  Key: newKey,
  ACL: "public-read"
};

s3.copyObject(opts, function(err, data){
  if(err) {
    console.error(opts);
    throw(err);
  }
  return;
});