private bool VerifySecurity(ClientInfo client)
{
if ((object)client == null)
throw new ArgumentNullException(nameof(client));
// Set current thread principal to remote client's user principal.
if (!(Thread.CurrentPrincipal is WindowsPrincipal) && (object)client.ClientUser != null)
Thread.CurrentPrincipal = client.ClientUser;
// Retrieve previously initialized security provider of the remote client's user.
SecurityProviderCache.ValidateCurrentProvider();
// Initialize security provider for the remote client's user from specified credentials.
if ((!Thread.CurrentPrincipal.Identity.IsAuthenticated || (object)client.ClientUser == null) && !string.IsNullOrEmpty(client.ClientUserCredentials))
{
string[] credentialParts = client.ClientUserCredentials.Split(':');
if (credentialParts.Length == 2)
{
ISecurityProvider provider = SecurityProviderUtility.CreateProvider(credentialParts[0]);
if (provider.Authenticate(credentialParts[1]))
SecurityProviderCache.CurrentProvider = provider;
}
}
// Save the initialized security provider of remote client's user for subsequent uses.
if (client.ClientUser != Thread.CurrentPrincipal)
client.SetClientUser(Thread.CurrentPrincipal);
return (object)client.ClientUser != null && client.ClientUser.Identity.IsAuthenticated;
}
/// <summary>
/// Raises the <see cref="ReceivedClientRequest"/> event.
/// </summary>
/// <param name="request">The <see cref="ClientRequest"/> that was received.</param>
/// <param name="requestSender">The <see cref="ClientInfo"/> object of the <paramref name="request"/> sender.</param>
protected virtual void OnReceivedClientRequest(ClientRequest request, ClientInfo requestSender)
{
if ((object)ReceivedClientRequest != null)
ReceivedClientRequest(this, new EventArgs<Guid, ClientRequest>(requestSender.ClientID, request));
}
private bool TrySetCurrentThreadPrincipal(ClientInfo client)
{
if ((object)client == null)
throw new ArgumentNullException(nameof(client));
WindowsPrincipal clientPrincipal;
// Attempt to find the TryGetClientPrincipal method using reflection - remoting server could be a TCP or TLS server
if ((object)m_remotingServer != null && (object)m_tryGetClientPrincipalFunction == null)
{
MethodInfo tryGetClientPrincipalInfo = m_remotingServer.GetType().GetMethod("TryGetClientPrincipal", new[] { typeof(Guid), typeof(WindowsPrincipal).MakeByRefType() });
if ((object)tryGetClientPrincipalInfo != null && tryGetClientPrincipalInfo.ReturnType == typeof(bool))
m_tryGetClientPrincipalFunction = (TryGetClientPrincipalFunctionSignature)Delegate.CreateDelegate(typeof(TryGetClientPrincipalFunctionSignature), m_remotingServer, tryGetClientPrincipalInfo);
}
// Attempt to get the client principal from the remoting server
if ((object)m_tryGetClientPrincipalFunction != null && m_tryGetClientPrincipalFunction(client.ClientID, out clientPrincipal))
{
if ((object)clientPrincipal != null)
Thread.CurrentPrincipal = clientPrincipal;
else if ((object)client.ClientUser != null)
Thread.CurrentPrincipal = client.ClientUser;
return true;
}
return false;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClientRequestInfo"/> class.
/// </summary>
/// <param name="sender"><see cref="ClientInfo"/> object of the <paramref name="request"/> sender.</param>
/// <param name="request"><see cref="ClientRequest"/> object sent by the <paramref name="sender"/>.</param>
public ClientRequestInfo(ClientInfo sender, ClientRequest request)
{
Request = request;
Sender = sender;
ReceivedAt = DateTime.UtcNow;
}
