src/Files.App/Utils/Storage/Helpers/FtpHelpers.cs - main - githubmirror/Files

src/Files.App/Utils/Storage/Helpers/FtpHelpers.cs

81 строка2 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 FluentFTP;

namespace Files.App.Utils.Storage
{
	public static class FtpHelpers
	{
		public static async Task<bool> EnsureConnectedAsync(this AsyncFtpClient ftpClient)
		{
			if (!ftpClient.IsConnected)
			{
				await ftpClient.Connect();
			}

			return true;
		}

		public static bool IsFtpPath(string path)
		{
			if (!string.IsNullOrEmpty(path))
			{
				return path.StartsWith("ftp://", StringComparison.OrdinalIgnoreCase)
					|| path.StartsWith("ftps://", StringComparison.OrdinalIgnoreCase)
					|| path.StartsWith("ftpes://", StringComparison.OrdinalIgnoreCase);
			}
			return false;
		}

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

			return index == -1 || ushort.TryParse(authority.AsSpan(index + 1), out _);
		}

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

			return ushort.Parse(authority.Substring(index + 1));
		}

		public static string GetFtpAuthority(string path)
		{
			path = path.Replace('\\', '/');
			if (Uri.TryCreate(path, UriKind.Absolute, out var uri))
				return uri.Authority;
			return string.Empty;
		}

		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 int GetRootIndex(string path)
		{
			path = path.Replace('\\', '/');
			var schemaIndex = path.IndexOf("://", StringComparison.Ordinal) + 3;
			return path.IndexOf('/', schemaIndex);
		}
	}
}