silverstripe-framework/filesystem/flysystem/PublicAssetAdapter.php

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<?php
/**
* Created by PhpStorm.
* User: dmooyman
* Date: 16/12/15
* Time: 1:54 PM
*/
namespace SilverStripe\Filesystem\Flysystem;
use Controller;
use Director;
class PublicAssetAdapter extends AssetAdapter implements PublicAdapter {
/**
* Server specific configuration necessary to block http traffic to a local folder
*
* @config
* @var array Mapping of server configurations to configuration files necessary
*/
private static $server_configuration = array(
'apache' => array(
'.htaccess' => "Assets_HTAccess"
),
'microsoft-iis' => array(
'web.config' => "Assets_WebConfig"
)
);
protected function findRoot($root) {
if ($root) {
return parent::findRoot($root);
}
// Empty root will set the path to assets
return ASSETS_PATH;
}
/**
* Provide downloadable url
*
* @param string $path
* @return string|null
*/
public function getPublicUrl($path) {
$rootPath = realpath(BASE_PATH);
$filesPath = realpath($this->pathPrefix);
if(stripos($filesPath, $rootPath) === 0) {
$dir = substr($filesPath, strlen($rootPath));
return Controller::join_links(Director::baseURL(), $dir, $path);
}
// File outside of webroot can't be used
return null;
}
}