69 lines
2.3 KiB
C#
69 lines
2.3 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using FluentFTP;
|
|
|
|
namespace FluentFTP.Extensions {
|
|
/// <summary>
|
|
/// Implementation of the non-standard XSHA512 command
|
|
/// </summary>
|
|
public static class XSHA512 {
|
|
delegate string AsyncGetXSHA512(string path);
|
|
static Dictionary<IAsyncResult, AsyncGetXSHA512> m_asyncmethods = new Dictionary<IAsyncResult, AsyncGetXSHA512>();
|
|
|
|
/// <summary>
|
|
/// Gets the SHA-512 hash of the specified file using XSHA512. This is a non-standard extension
|
|
/// to the protocol and may or may not work. A FtpCommandException will be
|
|
/// thrown if the command fails.
|
|
/// </summary>
|
|
/// <param name="client">FtpClient Object</param>
|
|
/// <param name="path">Full or relative path to remote file</param>
|
|
/// <returns>Server response, presumably the SHA-512 hash.</returns>
|
|
public static string GetXSHA512(this FtpClient client, string path) {
|
|
FtpReply reply;
|
|
|
|
if (!(reply = client.Execute("XSHA512 {0}", path)).Success)
|
|
throw new FtpCommandException(reply);
|
|
|
|
return reply.Message;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Asynchronusly retrieve a SHA512 hash. The XSHA512 command is non-standard
|
|
/// and not guaranteed to work.
|
|
/// </summary>
|
|
/// <param name="client">FtpClient Object</param>
|
|
/// <param name="path">Full or relative path to remote file</param>
|
|
/// <param name="callback">AsyncCallback</param>
|
|
/// <param name="state">State Object</param>
|
|
/// <returns>IAsyncResult</returns>
|
|
public static IAsyncResult BeginGetXSHA512(this FtpClient client, string path, AsyncCallback callback, object state) {
|
|
AsyncGetXSHA512 func = new AsyncGetXSHA512(client.GetXSHA512);
|
|
IAsyncResult ar = func.BeginInvoke(path, callback, state); ;
|
|
|
|
lock (m_asyncmethods) {
|
|
m_asyncmethods.Add(ar, func);
|
|
}
|
|
|
|
return ar;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Ends an asynchronous call to BeginGetXSHA512()
|
|
/// </summary>
|
|
/// <param name="ar">IAsyncResult returned from BeginGetXSHA512()</param>
|
|
/// <returns>The SHA-512 hash of the specified file.</returns>
|
|
public static string EndGetXSHA512(IAsyncResult ar) {
|
|
AsyncGetXSHA512 func = null;
|
|
|
|
lock (m_asyncmethods) {
|
|
if (!m_asyncmethods.ContainsKey(ar))
|
|
throw new InvalidOperationException("The specified IAsyncResult was not found in the collection.");
|
|
|
|
func = m_asyncmethods[ar];
|
|
m_asyncmethods.Remove(ar);
|
|
}
|
|
|
|
return func.EndInvoke(ar);
|
|
}
|
|
}
|
|
} |