silverstripe-framework/filesystem/flysystem/AssetAdapter.php

59 lines
1.3 KiB
PHP

<?php
namespace SilverStripe\Filesystem\Flysystem;
use Controller;
use Director;
use League\Flysystem\Adapter\Local;
/**
* Adaptor for local filesystem based on assets directory
*
* @package framework
* @subpackage filesystem
*/
class AssetAdapter extends Local {
/**
* Config compatible permissions configuration
*
* @config
* @var array
*/
private static $file_permissions = array(
'file' => [
'public' => 0744,
'private' => 0700,
],
'dir' => [
'public' => 0755,
'private' => 0700,
]
);
public function __construct($root = null, $writeFlags = LOCK_EX, $linkHandling = self::DISALLOW_LINKS) {
// Override permissions with config
$permissions = \Config::inst()->get(get_class($this), 'file_permissions');
parent::__construct($root ?: ASSETS_PATH, $writeFlags, $linkHandling, $permissions);
}
/**
* 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;
}
}