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HttpTransportSecurity.cs
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/
HttpTransportSecurity.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Security.Authentication.ExtendedProtection;
using System.ServiceModel.Channels;
using System.Net;
namespace System.ServiceModel
{
public sealed class HttpTransportSecurity
{
internal const HttpClientCredentialType DefaultClientCredentialType = HttpClientCredentialType.None;
internal const HttpProxyCredentialType DefaultProxyCredentialType = HttpProxyCredentialType.None;
internal const string DefaultRealm = HttpTransportDefaults.Realm;
private HttpClientCredentialType _clientCredentialType;
private HttpProxyCredentialType _proxyCredentialType;
private ExtendedProtectionPolicy _extendedProtectionPolicy;
public HttpTransportSecurity()
{
_clientCredentialType = DefaultClientCredentialType;
_proxyCredentialType = DefaultProxyCredentialType;
Realm = DefaultRealm;
_extendedProtectionPolicy = ExtendedProtectionPolicyHelper.DefaultPolicy;
}
public HttpClientCredentialType ClientCredentialType
{
get { return _clientCredentialType; }
set
{
if (!HttpClientCredentialTypeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value)));
}
_clientCredentialType = value;
}
}
public HttpProxyCredentialType ProxyCredentialType
{
get { return _proxyCredentialType; }
set
{
if (!HttpProxyCredentialTypeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value)));
}
_proxyCredentialType = value;
}
}
public string Realm { get; set; }
public ExtendedProtectionPolicy ExtendedProtectionPolicy
{
get
{
return _extendedProtectionPolicy;
}
set
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(value));
}
if (value.PolicyEnforcement == PolicyEnforcement.Always &&
!System.Security.Authentication.ExtendedProtection.ExtendedProtectionPolicy.OSSupportsExtendedProtection)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new PlatformNotSupportedException(SR.ExtendedProtectionNotSupported));
}
_extendedProtectionPolicy = value;
}
}
internal void ConfigureTransportProtectionOnly(HttpsTransportBindingElement https)
{
DisableAuthentication(https);
https.RequireClientCertificate = false;
}
private void ConfigureAuthentication(HttpTransportBindingElement http)
{
http.AuthenticationScheme = HttpClientCredentialTypeHelper.MapToAuthenticationScheme(_clientCredentialType);
http.ProxyAuthenticationScheme = HttpProxyCredentialTypeHelper.MapToAuthenticationScheme(_proxyCredentialType);
http.Realm = Realm;
http.ExtendedProtectionPolicy = ExtendedProtectionPolicy;
}
private static void ConfigureAuthentication(HttpTransportBindingElement http, HttpTransportSecurity transportSecurity)
{
transportSecurity._clientCredentialType = HttpClientCredentialTypeHelper.MapToClientCredentialType(http.AuthenticationScheme);
transportSecurity._proxyCredentialType = HttpProxyCredentialTypeHelper.MapToProxyCredentialType(http.ProxyAuthenticationScheme);
transportSecurity.Realm = http.Realm;
transportSecurity._extendedProtectionPolicy = http.ExtendedProtectionPolicy;
}
private void DisableAuthentication(HttpTransportBindingElement http)
{
http.AuthenticationScheme = AuthenticationSchemes.Anonymous;
http.Realm = DefaultRealm;
//ExtendedProtectionPolicy is always copied - even for security mode None, Message and TransportWithMessageCredential,
//because the settings for ExtendedProtectionPolicy are always below the <security><transport> element
//http.ExtendedProtectionPolicy = this.extendedProtectionPolicy;
}
private static bool IsDisabledAuthentication(HttpTransportBindingElement http)
{
return http.AuthenticationScheme == AuthenticationSchemes.Anonymous && http.Realm == DefaultRealm;
}
internal void ConfigureTransportProtectionAndAuthentication(HttpsTransportBindingElement https)
{
ConfigureAuthentication(https);
https.RequireClientCertificate = (_clientCredentialType == HttpClientCredentialType.Certificate);
}
public static void ConfigureTransportProtectionAndAuthentication(HttpsTransportBindingElement https, HttpTransportSecurity transportSecurity)
{
ConfigureAuthentication(https, transportSecurity);
if (https.RequireClientCertificate)
{
transportSecurity.ClientCredentialType = HttpClientCredentialType.Certificate;
}
}
internal void ConfigureTransportAuthentication(HttpTransportBindingElement http)
{
if (_clientCredentialType == HttpClientCredentialType.Certificate)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.CertificateUnsupportedForHttpTransportCredentialOnly));
}
ConfigureAuthentication(http);
}
internal static bool IsConfiguredTransportAuthentication(HttpTransportBindingElement http, HttpTransportSecurity transportSecurity)
{
if (HttpClientCredentialTypeHelper.MapToClientCredentialType(http.AuthenticationScheme) == HttpClientCredentialType.Certificate)
{
return false;
}
ConfigureAuthentication(http, transportSecurity);
return true;
}
internal void DisableTransportAuthentication(HttpTransportBindingElement http)
{
DisableAuthentication(http);
}
internal static bool IsDisabledTransportAuthentication(HttpTransportBindingElement http)
{
return IsDisabledAuthentication(http);
}
}
}