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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System;
using System.ComponentModel;
using System.Security.Authentication.ExtendedProtection;
using System.ServiceModel.Channels;
using System.ServiceModel.Security;
using System.Net;
using System.Net.Security;
public sealed class HttpTransportSecurity
{
internal const HttpClientCredentialType DefaultClientCredentialType = HttpClientCredentialType.None;
internal const HttpProxyCredentialType DefaultProxyCredentialType = HttpProxyCredentialType.None;
internal const string DefaultRealm = System.ServiceModel.Channels.HttpTransportDefaults.Realm;
HttpClientCredentialType clientCredentialType;
HttpProxyCredentialType proxyCredentialType;
string realm;
ExtendedProtectionPolicy extendedProtectionPolicy;
public HttpTransportSecurity()
{
this.clientCredentialType = DefaultClientCredentialType;
this.proxyCredentialType = DefaultProxyCredentialType;
this.realm = DefaultRealm;
this.extendedProtectionPolicy = ChannelBindingUtility.DefaultPolicy;
}
public HttpClientCredentialType ClientCredentialType
{
get { return this.clientCredentialType; }
set
{
if (!HttpClientCredentialTypeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
this.clientCredentialType = value;
}
}
public HttpProxyCredentialType ProxyCredentialType
{
get { return this.proxyCredentialType; }
set
{
if (!HttpProxyCredentialTypeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
this.proxyCredentialType = value;
}
}
public string Realm
{
get { return this.realm; }
set { this.realm = value; }
}
public ExtendedProtectionPolicy ExtendedProtectionPolicy
{
get
{
return this.extendedProtectionPolicy;
}
set
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
}
if (value.PolicyEnforcement == PolicyEnforcement.Always &&
!System.Security.Authentication.ExtendedProtection.ExtendedProtectionPolicy.OSSupportsExtendedProtection)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new PlatformNotSupportedException(SR.GetString(SR.ExtendedProtectionNotSupported)));
}
this.extendedProtectionPolicy = value;
}
}
internal void ConfigureTransportProtectionOnly(HttpsTransportBindingElement https)
{
DisableAuthentication(https);
https.RequireClientCertificate = false;
}
void ConfigureAuthentication(HttpTransportBindingElement http)
{
http.AuthenticationScheme = HttpClientCredentialTypeHelper.MapToAuthenticationScheme(this.clientCredentialType);
http.ProxyAuthenticationScheme = HttpProxyCredentialTypeHelper.MapToAuthenticationScheme(this.proxyCredentialType);
http.Realm = this.Realm;
http.ExtendedProtectionPolicy = this.extendedProtectionPolicy;
}
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;
}
void DisableAuthentication(HttpTransportBindingElement http)
{
http.AuthenticationScheme = AuthenticationSchemes.Anonymous;
http.ProxyAuthenticationScheme = 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;
}
static bool IsDisabledAuthentication(HttpTransportBindingElement http)
{
return http.AuthenticationScheme == AuthenticationSchemes.Anonymous && http.ProxyAuthenticationScheme == AuthenticationSchemes.Anonymous && http.Realm == DefaultRealm;
}
internal void ConfigureTransportProtectionAndAuthentication(HttpsTransportBindingElement https)
{
ConfigureAuthentication(https);
https.RequireClientCertificate = (this.clientCredentialType == HttpClientCredentialType.Certificate);
}
internal static void ConfigureTransportProtectionAndAuthentication(HttpsTransportBindingElement https, HttpTransportSecurity transportSecurity)
{
ConfigureAuthentication(https, transportSecurity);
if (https.RequireClientCertificate)
transportSecurity.ClientCredentialType = HttpClientCredentialType.Certificate;
}
internal void ConfigureTransportAuthentication(HttpTransportBindingElement http)
{
if (this.clientCredentialType == HttpClientCredentialType.Certificate)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(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);
}
internal bool InternalShouldSerialize()
{
return this.ShouldSerializeClientCredentialType()
|| this.ShouldSerializeProxyCredentialType()
|| this.ShouldSerializeRealm()
|| this.ShouldSerializeExtendedProtectionPolicy();
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeClientCredentialType()
{
return this.ClientCredentialType != DefaultClientCredentialType;
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeProxyCredentialType()
{
return this.proxyCredentialType != DefaultProxyCredentialType;
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeRealm()
{
return this.Realm != DefaultRealm;
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeExtendedProtectionPolicy()
{
return !ChannelBindingUtility.AreEqual(this.ExtendedProtectionPolicy, ChannelBindingUtility.DefaultPolicy);
}
}
}
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