Controller_Storage_S3

<?php
class Controller_Storage_S3 extends Controller_Storage {

    public $useSSL = true;
    public $endpoint = 's3-eu-west-1.amazonaws.com';

    function connect(){
        return new S3(
            $this->app->getConfig('amazon/s3/Access_Key_ID'),
            $this->app->getConfig('amazon/s3/Secret_Access_Key'),
            $this->useSSL,
            $this->endpoint
        );
    }

    function put($model, $source_file){
        // genetare unique filename
        $uniq = uniqid().'.'.$model->ref('file_metadata')['extension'];

        $s3 = $this->connect();

        $res = $s3 -> putObject(
            S3::inputFile($source_file, false),
            $bucket = $this->app->getConfig('amazon/s3/image-bucket').'/original',
            $uniq,
            S3::ACL_PUBLIC_READ,
            [],
            ['Content-Type' => $model->ref('file_metadata')['mime']]
        );

        $model['storage']='s3';
        $model['location']='s3://'.$this->endpoint.'/'.$bucket.'/'.$uniq;

        list($b1, $b2) = explode('/', $bucket, 2);


        $model['url']='https://'.$b1.'.s3.amazonaws.com/'.$b2.'/'.$uniq;

        return $res;

    }

    /**
     * Break location such as s3://s3-eu-west-1.amazonaws.com/lf-image/original/55dc62824072f.png
     * into bucket and filename.
     *
     * @return array(bucket, uri);
     */
    function splitLocation($location){

        // s3://s3-eu-west-1.amazonaws.com/lf-image/original/55dc62824072f.png
        list(,$location) = explode('//', $location, 2);

        // s3-eu-west-1.amazonaws.com/lf-image/original/55dc62824072f.png

        list(,$location) = explode('/', $location, 2);

        // lf-image/original/55dc62824072f.png

        return [dirname($location), basename($location)];

        // lf-image/original   |   55dc62824072f.png

    }

    /**
     * Retrieve file from the store, store in a local file and
     * return name of that file. Can also return URL to public
     * file.
     */
    function get($model){
        $s3 = $this->connect();
        list($bucket,$file) = $this->splitLocation($model['location']);

        $s = tempnam('/tmp','atk-file-');
        $s3->getObject($bucket, $file, $s);
        return $s;
    }

    /**
     * Deletes associtaed file from the store.
     */
    function delete($model){

    }

}