owncloud/core

<?php
/**
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 *
 * @copyright Copyright (c) 2022, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\DAV\Meta;

use OC\Files\Meta\MetaFileVersionNode;
use OCA\DAV\Files\ICopySource;
use OCA\DAV\Files\IProvidesAdditionalHeaders;
use OCA\DAV\Files\IFileNode;
use OCP\Files\IProvidesVersionAuthor;
use OCP\Files\IProvidesVersionTag;
use OCP\Files\Node;
use Sabre\DAV\File;

/**
 * Class MetaFile
 * This is a Sabre based implementation of a file living in the /meta resource.
 *
 * @package OCA\DAV\Meta
 */
class MetaFile extends File implements ICopySource, IFileNode, IProvidesAdditionalHeaders {
    /** @var \OCP\Files\File */
    private $file;

    /**
     * MetaFolder constructor.
     *
     * @param \OCP\Files\File $file
     */
    public function __construct(\OCP\Files\File $file) {
        $this->file = $file;
    }

    /**
     * @inheritdoc
     */
    public function getName() {
        return $this->file->getName();
    }

    /**
     * @inheritdoc
     */
    public function getSize() {
        return $this->file->getSize();
    }

    /**
     * @inheritdoc
     */
    public function get() {
        return $this->file->fopen('r');
    }

    /**
     * @inheritdoc
     */
    public function getContentType() {
        return $this->file->getMimeType();
    }

    /**
     * @inheritdoc
     */
    public function getLastModified() {
        return $this->file->getMTime();
    }

    /**
     * @inheritdoc
     */
    public function getETag() {
        return '"' . $this->file->getEtag() . '"';
    }

    /**
     * @inheritdoc
     */
    public function copy($path) {
        if ($this->file instanceof MetaFileVersionNode) {
            return $this->file->copy($path);
        }
        return false;
    }

    /**
     * @return array
     */
    public function getHeaders() {
        if ($this->file instanceof \OCP\Files\IProvidesAdditionalHeaders) {
            return $this->file->getHeaders();
        }
        return [];
    }

    /**
     * @return string
     */
    public function getContentDispositionFileName() {
        if ($this->file instanceof \OCP\Files\IProvidesAdditionalHeaders) {
            return $this->file->getContentDispositionFileName();
        }
        return $this->getName();
    }

    /**
     * @return Node
     */
    public function getNode() {
        return $this->file;
    }

    /**
     * @inheritdoc
     */
    public function getVersionEditedBy() : string {
        if ($this->file instanceof IProvidesVersionAuthor) {
            return $this->file->getEditedBy();
        }
        return '';
    }

    /**
     * @inheritdoc
     */
    public function getVersionTag() : string {
        if ($this->file instanceof IProvidesVersionTag) {
            return $this->file->getVersionTag();
        }
        return '';
    }
}