// Copyright 2020 The Gitea Authors. All rights reserved. // Use of this source code is governed by a MIT-style // license that can be found in the LICENSE file. package uri import ( "fmt" "io" "net/http" "net/url" "os" "strings" ) // ErrURISchemeNotSupported represents a scheme error type ErrURISchemeNotSupported struct { Scheme string } func (e ErrURISchemeNotSupported) Error() string { return fmt.Sprintf("Unsupported scheme: %v", e.Scheme) } // Open open a local file or a remote file func Open(uriStr string) (io.ReadCloser, error) { u, err := url.Parse(uriStr) if err != nil { return nil, err } switch strings.ToLower(u.Scheme) { case "http", "https": f, err := http.Get(uriStr) if err != nil { return nil, err } return f.Body, nil case "file": return os.Open(u.Path) default: return nil, ErrURISchemeNotSupported{Scheme: u.Scheme} } } option> Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data
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path: root/lib/private/Preview/PNG.php
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<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Olivier Paroz <github@oparoz.com>
 *
 * @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 OC\Preview;

class PNG extends Image {
	/**
	 * {@inheritDoc}
	 */
	public function getMimeType(): string {
		return '/image\/png/';
	}
}
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