private Task DownloadVersionItemAsync(string version, string filename, string downloadPath)
{
FluentFTP.FtpTrace.LogToFile = "log_FluentFTP_actions.logs";
FluentFTP.FtpTrace.LogUserName = false; // hide FTP user names
FluentFTP.FtpTrace.LogPassword = false; // hide FTP passwords
FluentFTP.FtpTrace.LogIP = true; // hide FTP server IP addresses
//var client = new FluentFTP.FtpClient(_ftpUpdaterOptions.Host, _ftpUpdaterOptions.Username, _ftpUpdaterOptions.Password);
//FluentFTP.FtpVerify.Retry | FluentFTP.FtpVerify.Delete | FluentFTP.FtpVerify.Throw
var client = new FluentFTP.FtpClient(_ftpUpdaterOptions.Host, _ftpUpdaterOptions.Username, _ftpUpdaterOptions.Password);
client.EncryptionMode = FtpEncryptionMode.None;
if (_ftpUpdaterOptions.TrustClientCertificate)
{
client.ValidateCertificate += Client_ValidateCertificate;
}
//client.SslProtocols = System.Security.Authentication.SslProtocols.Tls12 | System.Security.Authentication.SslProtocols.Ssl2;
var ftpFolder = $"{_ftpUpdaterOptions.FtpFolderHostingTheApp}/{version}";
var ftpFolderAndFile = $"{ftpFolder}/{filename}";
//var lst = client.GetListing();
return(client.DownloadFileAsync(downloadPath, ftpFolderAndFile, FluentFTP.FtpLocalExists.Overwrite, FluentFTP.FtpVerify.Delete | FluentFTP.FtpVerify.Throw, defaultProgress));
}