mirror of https://github.com/friendica/friendica
74 lines
2.0 KiB
PHP
74 lines
2.0 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Model\Storage;
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/**
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* System resource storage class
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*
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* This class is used to load system resources, like images.
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* Is not intended to be selectable by admins as default storage class.
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*/
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class SystemResource implements IStorage
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{
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const NAME = 'SystemResource';
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// Valid folders to look for resources
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const VALID_FOLDERS = ["images"];
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/**
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* @inheritDoc
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*/
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public function get(string $reference): string
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{
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$folder = dirname($reference);
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if (!in_array($folder, self::VALID_FOLDERS)) {
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throw new ReferenceStorageException(sprintf('System Resource is invalid for reference %s, no valid folder found', $reference));
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}
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if (!file_exists($reference)) {
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throw new StorageException(sprintf('System Resource is invalid for reference %s, the file doesn\'t exist', $reference));
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}
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$content = file_get_contents($reference);
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if ($content === false) {
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throw new StorageException(sprintf('Cannot get content for reference %s', $reference));
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}
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return $content;
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}
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/**
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* @inheritDoc
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*/
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public function __toString()
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{
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return self::NAME;
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}
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/**
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* @inheritDoc
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*/
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public static function getName(): string
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{
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return self::NAME;
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}
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}
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