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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel
{
using System.Runtime;
using System.ServiceModel.Channels;
using System.ServiceModel.Configuration;
using System.ServiceModel.Description;
using System.Xml;
using System.ComponentModel;
public sealed class PeerSecuritySettings
{
internal const SecurityMode DefaultMode = SecurityMode.Transport;
SecurityMode mode;
PeerTransportSecuritySettings transportSecurity;
public PeerSecuritySettings()
{
mode = DefaultMode;
transportSecurity = new PeerTransportSecuritySettings();
}
internal PeerSecuritySettings(PeerSecuritySettings other)
{
this.mode = other.mode;
this.transportSecurity = new PeerTransportSecuritySettings(other.transportSecurity);
}
internal PeerSecuritySettings(PeerSecurityElement element)
{
mode = element.Mode;
transportSecurity = new PeerTransportSecuritySettings(element.Transport);
}
public SecurityMode Mode
{
get { return this.mode; }
set
{
if (!SecurityModeHelper.IsDefined(value))
{
PeerExceptionHelper.ThrowArgumentOutOfRange_InvalidSecurityMode((int)value);
}
this.mode = value;
}
}
public PeerTransportSecuritySettings Transport
{
get { return this.transportSecurity; }
set { this.transportSecurity = value; }
}
internal bool SupportsAuthentication
{
get
{
return this.Mode == SecurityMode.Transport || this.Mode == SecurityMode.TransportWithMessageCredential;
}
}
internal System.Net.Security.ProtectionLevel SupportedProtectionLevel
{
get
{
System.Net.Security.ProtectionLevel level = System.Net.Security.ProtectionLevel.None;
if (this.Mode == SecurityMode.Message || this.Mode == SecurityMode.TransportWithMessageCredential)
{
level = System.Net.Security.ProtectionLevel.Sign;
}
return level;
}
}
internal void OnImportPolicy(MetadataImporter importer, PolicyConversionContext context)
{
XmlElement element = PolicyConversionContext.FindAssertion(context.GetBindingAssertions(),
PeerTransportPolicyConstants.PeerTransportSecurityMode,
TransportPolicyConstants.PeerTransportUri, true);
this.Mode = SecurityMode.Transport;
if (element != null)
{
switch (element.InnerText)
{
case PeerTransportPolicyConstants.PeerTransportSecurityModeNone:
this.Mode = SecurityMode.None;
break;
case PeerTransportPolicyConstants.PeerTransportSecurityModeTransport:
this.Mode = SecurityMode.Transport;
break;
case PeerTransportPolicyConstants.PeerTransportSecurityModeMessage:
this.Mode = SecurityMode.Message;
break;
case PeerTransportPolicyConstants.PeerTransportSecurityModeTransportWithMessageCredential:
this.Mode = SecurityMode.TransportWithMessageCredential;
break;
default:
break;
}
}
transportSecurity.OnImportPolicy(importer, context);
}
internal void OnExportPolicy(MetadataExporter exporter, PolicyConversionContext context)
{
string assertion = "";
switch (this.Mode)
{
case SecurityMode.None:
assertion = PeerTransportPolicyConstants.PeerTransportSecurityModeNone;
break;
case SecurityMode.Transport:
assertion = PeerTransportPolicyConstants.PeerTransportSecurityModeTransport;
break;
case SecurityMode.Message:
assertion = PeerTransportPolicyConstants.PeerTransportSecurityModeMessage;
break;
case SecurityMode.TransportWithMessageCredential:
assertion = PeerTransportPolicyConstants.PeerTransportSecurityModeTransportWithMessageCredential;
break;
default:
Fx.Assert("Unsupported value for PeerSecuritySettings.Mode");
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException());
}
XmlDocument doc = new XmlDocument();
XmlElement element = doc.CreateElement(PeerTransportPolicyConstants.PeerTransportPrefix,
PeerTransportPolicyConstants.PeerTransportSecurityMode,
TransportPolicyConstants.PeerTransportUri);
element.InnerText = assertion;
context.GetBindingAssertions().Add(element);
transportSecurity.OnExportPolicy(exporter, context);
}
internal bool InternalShouldSerialize()
{
return this.ShouldSerializeMode()
|| this.ShouldSerializeTransport();
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeMode()
{
return this.Mode != DefaultMode;
}
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeTransport()
{
return this.Transport.CredentialType != PeerTransportSecuritySettings.DefaultCredentialType;
}
}
}
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