mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
72 lines
1.7 KiB
PHP
72 lines
1.7 KiB
PHP
<?php
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namespace SilverStripe\Filesystem\Flysystem;
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use Controller;
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use Director;
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use League\Flysystem\Adapter\Local;
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/**
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* Adaptor for local filesystem based on assets directory
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*
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* @package framework
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* @subpackage filesystem
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*/
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class AssetAdapter extends Local {
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/**
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* Config compatible permissions configuration
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*
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* @config
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* @var array
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*/
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private static $file_permissions = array(
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'file' => [
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'public' => 0744,
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'private' => 0700,
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],
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'dir' => [
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'public' => 0755,
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'private' => 0700,
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]
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);
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public function __construct($root = null, $writeFlags = LOCK_EX, $linkHandling = self::DISALLOW_LINKS) {
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// Get root path
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if (!$root) {
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// Empty root will set the path to assets
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$root = ASSETS_PATH;
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} elseif(strpos($root, './') === 0) {
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// Substitute leading ./ with BASE_PATH
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$root = BASE_PATH . substr($root, 1);
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} elseif(strpos($root, '../') === 0) {
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// Substitute leading ./ with parent of BASE_PATH, in case storage is outside of the webroot.
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$root = dirname(BASE_PATH) . substr($root, 2);
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}
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// Override permissions with config
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$permissions = \Config::inst()->get(get_class($this), 'file_permissions');
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parent::__construct($root, $writeFlags, $linkHandling, $permissions);
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}
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/**
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* Provide downloadable url
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*
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* @param string $path
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* @return string|null
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*/
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public function getPublicUrl($path) {
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$rootPath = realpath(BASE_PATH);
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$filesPath = realpath($this->pathPrefix);
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if(stripos($filesPath, $rootPath) === 0) {
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$dir = substr($filesPath, strlen($rootPath));
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return Controller::join_links(Director::baseURL(), $dir, $path);
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}
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// File outside of webroot can't be used
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return null;
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}
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}
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