'use strict';
var AWS = require('aws-sdk');
var s3 = new AWS.S3();
exports.handler = function(event, context, callback){
    var message = JSON.parse(event.Records[0].Sns.Message);
    var sourceBucket = message.Records[0].s3.bucket.name;
    var sourceKey = decodeURIComponent(message.Records[0].s3.object.key.replace(/\+/g, ' '));
    var params = {
        Bucket: sourceBucket,
        Key: sourceKey,
        ACL: 'public-read'
    };
    s3.putObjectAcl(params, function(err, data){
        if (err) {
            callback(err);
        }
    });
};