protected override void Execute(NativeActivityContext context)
{
if (!string.IsNullOrEmpty(ProxyHost.Get(context))) // Proxy defined
{
if (!string.IsNullOrEmpty(ProxyUsername.Get(context))) // Proxy authentication
{
connectionInfo = new PasswordConnectionInfo(Host.Get(context), Port.Get(context), Username.Get(context), Encoding.UTF8.GetBytes(Password.Get(context)), ProxyTypes.Http, ProxyHost.Get(context), ProxyPort.Get(context), ProxyUsername.Get(context), ProxyPassword.Get(context));
}
else // No proxy authentication
{
connectionInfo = new PasswordConnectionInfo(Host.Get(context), Port.Get(context), Username.Get(context), Password.Get(context), ProxyTypes.Http, ProxyHost.Get(context), ProxyPort.Get(context));
}
}
else // No Proxy defined
{
connectionInfo = new PasswordConnectionInfo(Host.Get(context), Port.Get(context), Username.Get(context), Password.Get(context));
}
sshClient = new SshClient(connectionInfo);
sshClient.Connect();
if (Body != null)
{
//scheduling the execution of the child activities
// and passing the value of the delegate argument
context.ScheduleAction(Body, sshClient, OnCompleted, OnFaulted);
}
}
private async Task ExecuteWithTimeout(NativeActivityContext context, CancellationToken cancellationToken = default)
{
var sshPassword = new NetworkCredential("", Password.Get(context)).Password;
var proxyPassword = new NetworkCredential("", ProxyPassword.Get(context)).Password;
var sshTimeout = TimeSpan.FromMilliseconds(SSHTimeoutMS.Get(context));
ConnectionInfo connectionInfo;
if (!string.IsNullOrEmpty(ProxyHost.Get(context))) // Proxy defined
{
if (!string.IsNullOrEmpty(ProxyUsername.Get(context))) // Proxy authentication
{
connectionInfo = new PasswordConnectionInfo(Host.Get(context), Port.Get(context), Username.Get(context), Encoding.UTF8.GetBytes(sshPassword), ProxyTypes.Http, ProxyHost.Get(context), ProxyPort.Get(context), ProxyUsername.Get(context), proxyPassword);
}
else // No proxy authentication
{
connectionInfo = new PasswordConnectionInfo(Host.Get(context), Port.Get(context), Username.Get(context), sshPassword, ProxyTypes.Http, ProxyHost.Get(context), ProxyPort.Get(context));
}
}
else // No Proxy defined
{
connectionInfo = new PasswordConnectionInfo(Host.Get(context), Port.Get(context), Username.Get(context), sshPassword);
}
connectionInfo.Timeout = sshTimeout;
sshClient = new SshClient(connectionInfo);
sshClient.Connect();
if (ShellExpectedPrompt.Expression != null)
{
var terminalMode = new Dictionary <TerminalModes, uint>
{
{ TerminalModes.ECHO, 53 }
};
expectedPromptRegex = new Regex(ShellExpectedPrompt.Get(context), RegexOptions.Compiled);
currentShellStream = sshClient.CreateShellStream("UiPathTeam.SSHConnector.Shell", 0, 0, 0, 0, 4096, terminalMode);
var welcomeMessage = SSHHelpers.Expect(currentShellStream, expectedPromptRegex, string.Empty, sshTimeout);
ShellWelcomeMessage.Set(context, welcomeMessage);
}
}
public override int GetHashCode()
{
unchecked
{
var hashCode = RequestTimeout.GetHashCode();
hashCode = (hashCode * 397) ^ PingTimeout.GetHashCode();
hashCode = (hashCode * 397) ^ KeepAliveTime;
hashCode = (hashCode * 397) ^ KeepAliveInterval;
hashCode = (hashCode * 397) ^ Pipelined.GetHashCode();
hashCode = (hashCode * 397) ^ HttpCompression.GetHashCode();
hashCode = (hashCode * 397) ^ (Headers?.GetHashCode() ?? 0);
hashCode = (hashCode * 397) ^ (ProxyAddress?.GetHashCode() ?? 0);
hashCode = (hashCode * 397) ^ (ProxyUsername?.GetHashCode() ?? 0);
hashCode = (hashCode * 397) ^ (ProxyPassword?.GetHashCode() ?? 0);
hashCode = (hashCode * 397) ^ DisableAutomaticProxyDetection.GetHashCode();
hashCode = (hashCode * 397) ^ (BasicAuthorizationCredentials?.GetHashCode() ?? 0);
hashCode = (hashCode * 397) ^ (ConnectionSettings?.GetHashCode() ?? 0);
hashCode = (hashCode * 397) ^ (MemoryStreamFactory?.GetHashCode() ?? 0);
return(hashCode);
}
}
protected override async Task <Action <NativeActivityContext> > ExecuteAsync(NativeActivityContext context, CancellationToken cancellationToken)
{
// Inputs
var activityTimeout = TimeoutMS.Get(context);
var host = Host.Get(context);
var port = Port.Get(context);
var username = Username.Get(context);
var password = Password.Get(context);
var shellExpectedPrompt = ShellExpectedPrompt.Get(context);
var proxyHost = ProxyHost.Get(context);
var proxyPort = ProxyPort.Get(context);
var proxyUsername = ProxyUsername.Get(context);
var proxyPassword = ProxyPassword.Get(context);
// Set a timeout on the execution
var task = ExecuteWithTimeout(context, cancellationToken);
if (await Task.WhenAny(task, Task.Delay(activityTimeout, cancellationToken)) != task)
{
throw new TimeoutException(Resources.Timeout_Error);
}
if (task.Exception != null)
{
throw task.Exception;
}
_objectContainer.Add(sshClient);
_objectContainer.Add(currentShellStream);
_objectContainer.Add(expectedPromptRegex);
return((ctx) => {
// Schedule child activities
if (Body != null)
{
ctx.ScheduleAction <IObjectContainer>(Body, _objectContainer, OnCompleted, OnFaulted);
}
});
}
void ReleaseDesignerOutlets()
{
if (CancelButton != null)
{
CancelButton.Dispose();
CancelButton = null;
}
if (HelpButton != null)
{
HelpButton.Dispose();
HelpButton = null;
}
if (ManualProxyButton != null)
{
ManualProxyButton.Dispose();
ManualProxyButton = null;
}
if (NoProxyButton != null)
{
NoProxyButton.Dispose();
NoProxyButton = null;
}
if (ProxyPassword != null)
{
ProxyPassword.Dispose();
ProxyPassword = null;
}
if (ProxyPasswordLabel != null)
{
ProxyPasswordLabel.Dispose();
ProxyPasswordLabel = null;
}
if (ProxyServer != null)
{
ProxyServer.Dispose();
ProxyServer = null;
}
if (ProxyServerLabel != null)
{
ProxyServerLabel.Dispose();
ProxyServerLabel = null;
}
if (ProxyServerHelp != null)
{
ProxyServerHelp.Dispose();
ProxyServerHelp = null;
}
if (ProxyTab != null)
{
ProxyTab.Dispose();
ProxyTab = null;
}
if (ProxyUsername != null)
{
ProxyUsername.Dispose();
ProxyUsername = null;
}
if (ProxyUsernameLabel != null)
{
ProxyUsernameLabel.Dispose();
ProxyUsernameLabel = null;
}
if (RequiresAuthorizationCheckBox != null)
{
RequiresAuthorizationCheckBox.Dispose();
RequiresAuthorizationCheckBox = null;
}
if (SaveButton != null)
{
SaveButton.Dispose();
SaveButton = null;
}
if (SystemDefaultProxyButton != null)
{
SystemDefaultProxyButton.Dispose();
SystemDefaultProxyButton = null;
}
if (TabView != null)
{
TabView.Dispose();
TabView = null;
}
}
