Send file to SFTP with X++

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To send a file to SFTP you should try to use the Renci.SshNet library, which lets you create and use an SFTP client in C# code. You can use the SftpClient class to connect to an SFTP server and then use the UploadFile method to upload a file from a local path or a stream. 

However, this option requires you to create a C# class library project in Visual Studio, install the SSH.Net NuGet package, and deploy the project to Dynamics 365.


You can create a DLL from the C# class library and add it to D365 F&O.Step by step, code it as below:


Right-click on the C# solution and select Manage NuGet Package.








Find SSH.NET from the browser and install it





About the coding:


X++ code:


public void sendFileToSFTP(System.IO.Stream _sourceStream)

{

   try

   {

       str FileName = 'TestFile.csv';

       // 'Destination file path' -> /MainFolder/SubFolder

        str success = ExportSFTP.SFTPConnect::uploadSFTPFile("Host URL", "User Name", "Password", _sourceStream, "Destination File Path", "PortNum", FileName);

        if(success == "pass")

        {

            Info(strFmt('%1 File has been sent to SFTP', sftpFileName));

        }

        else

        {

            throw Error('Incorrect Host/Port/User Credential');

        }

   }

   catch

   {

        Info(infolog.text());

   }

 }


C# Code:



using System;

using System.IO;

using System.Net;

using System.Collections.Generic;

using Renci.SshNet;

using System.Text;


namespace ExportSFTP

{

    public class SFTPConnect

    {

        public static string uploadSFTPFile(string _host,

        string _username, string _password, System.IO.Stream _sourceFile,

        string _destinationPath, int _port, string _fileName,

        string _privateKeyFilePath = '')

        {

            string successStr = 'Fail';

            List<AuthenticationMethod> methods;

            if (_privateKeyFilePath != "")

            {

                var privateKeyFile = new PrivateKeyFile(_privateKeyFilePath, "The Password for key file"); 

                methods = new List<AuthenticationMethod>

                {

                    new PasswordAuthenticationMethod(_username, _password),

                    new PrivateKeyAuthenticationMethod(_username, _privateKeyFile)

                };

            }

            else

            {

                methods = new List<AuthenticationMethod>

                {

                    new PasswordAuthenticationMethod(_username, _password)

                };

            }

            try

           {

                var connectionInfo = new ConnectionInfo (_host, _port, _username, methods.ToArray());

                using (SftpClient sftpclient = new SftpClient(connectionInfo))

                {

                    sftpclient.Connect();

                    sftpclient.ChangeDirectory(_destinationPath.Trim());

                    sourceFile.Position = 0;

                    sftpclient.BufferSize = 8 * 1024;

                    sftpclient.UploadFile(_sourceFile, _fileName);

                }

                successStr = "pass";

            }

            catch (WebException e)

            {

                successStr = 'Fail';

            }

            return successStr;

        }

    }

}

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