src/Files.App.Storage/Ftp/FtpHelpers.cs - main - githubmirror/Files

src/Files.App.Storage/Ftp/FtpHelpers.cs

66 строк2 KB

Kris Vandermotten

Code Quality: Search for chars instead of single-char strings where possible (#18096)

01 фев 2026, 18:28

01 фев 2026, 18:286a9f925

// Copyright (c) Files Community
// Licensed under the MIT License.

using Files.Shared.Extensions;
using FluentFTP;

namespace Files.App.Storage
{
	internal static class FtpHelpers
	{
		public static string GetFtpPath(string path)
		{
			path = path.Replace('\\', '/');

			var schemaIndex = path.IndexOf("://", StringComparison.Ordinal) + 3;
			var hostIndex = path.IndexOf('/', schemaIndex);

			return hostIndex == -1 ? "/" : path.Substring(hostIndex);
		}

		public static Task EnsureConnectedAsync(this AsyncFtpClient ftpClient, CancellationToken cancellationToken = default)
		{
			return ftpClient.IsConnected ? Task.CompletedTask : ftpClient.Connect(cancellationToken);
		}

		public static string GetFtpHost(string path)
		{
			var authority = GetFtpAuthority(path);
			var index = authority.IndexOf(':', StringComparison.Ordinal);

			return index == -1 ? authority : authority.Substring(0, index);
		}

		public static ushort GetFtpPort(string path)
		{
			var authority = GetFtpAuthority(path);
			var index = authority.IndexOf(':', StringComparison.Ordinal);

			if (index != -1)
				return ushort.Parse(authority.Substring(index + 1));

			return path.StartsWith("ftps://", StringComparison.OrdinalIgnoreCase) ? (ushort)990 : (ushort)21;
		}

		public static string GetFtpAuthority(string path)
		{
			path = path.Replace('\\', '/');
			var schemaIndex = path.IndexOf("://", StringComparison.Ordinal) + 3;
			var hostIndex = path.IndexOf('/', schemaIndex);

			if (hostIndex == -1)
				hostIndex = path.Length;

			return path.Substring(schemaIndex, hostIndex - schemaIndex);
		}

		public static AsyncFtpClient GetFtpClient(string ftpPath)
		{
			var host = GetFtpHost(ftpPath);
			var port = GetFtpPort(ftpPath);
			var credentials = FtpManager.Credentials.Get(host, FtpManager.Anonymous);

			return new(host, credentials, port);
		}
	}
}