/// <summary>
/// 根据认证凭证类型选择合适的Provider
/// </summary>
/// <param name="credential"></param>
/// <returns></returns>
public IAuthenticationProvider Create(CredentialBase credential)
{
if (credential == null)
{
throw new ArgumentNullException("credential");
}
Type providerType;
if (AuthenticationConfigurationFacade.Providers.TryGetValue(credential.GetType(), out providerType))
{
return((IAuthenticationProvider)Activator.CreateInstance(providerType));
}
else
{
throw new NotSupportedException(credential.GetType().Name);
}
}
public virtual IIdentity Verify(CredentialBase credential)
{
if ((credential == null) || (credential.GetType() != CredentialType))
{
throw new ArgumentException("credential");
}
return(new IdentityMock()
{
AuthenticationType = AuthenticationType,
Name = Name,
State = State,
IsAuthenticated = true
});
}
/// <summary>
/// 默认的认证过程
/// </summary>
/// <param name="credential"></param>
/// <returns></returns>
public virtual IIdentity Authenticate(CredentialBase credential)
{
Trace.WriteLine("credential type is " + credential.GetType().Name);
// 正常的验证过程
var result = Provider.Verify(credential);
// 非功能性控制策略);
if (AuthenticationConfigurationFacade.HandlerCoR != null)
{
AuthenticationConfigurationFacade.HandlerCoR.Handle(credential);
}
Trace.WriteLine("authentication result : " + result);
return(result);
}
public override IIdentity Verify(CredentialBase credential)
{
var adapter = new UsbAdapter();
if (!adapter.IsOpen)
{
adapter.Open();
}
if (credential.GetType() != adapter.GetCredential(UsbAdapter.Pin).GetType())
{
throw new NotSupportedException();
}
var result = base.Verify(credential);
adapter.Close();
return(result);
}
public bool IsMatch(CredentialBase credential)
{
if (credential == null)
{
throw new ArgumentNullException("credential");
}
bool result;
if (ApplyToCredentialTypes.Count == 0)
{
result = false;
}
else
{
result = ApplyToCredentialTypes.Contains(credential.GetType());
}
if (result)
{
Trace.WriteLine(string.Format(Resources.OutputFormat, "Policy", GetType().Name, "match"));
}
return(result);
}
