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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Security
{
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.IdentityModel.Claims;
using System.IdentityModel.Policy;
using System.IdentityModel.Tokens;
using System.ServiceModel.Security.Tokens;
using System.Net.Security;
public class SecurityMessageProperty : IMessageProperty, IDisposable
{
// This is the list of outgoing supporting tokens
Collection<SupportingTokenSpecification> outgoingSupportingTokens;
Collection<SupportingTokenSpecification> incomingSupportingTokens;
SecurityTokenSpecification transportToken;
SecurityTokenSpecification protectionToken;
SecurityTokenSpecification initiatorToken;
SecurityTokenSpecification recipientToken;
ServiceSecurityContext securityContext;
ReadOnlyCollection<IAuthorizationPolicy> externalAuthorizationPolicies;
string senderIdPrefix = "_";
bool disposed = false;
public SecurityMessageProperty()
{
this.securityContext = ServiceSecurityContext.Anonymous;
}
public ServiceSecurityContext ServiceSecurityContext
{
get
{
ThrowIfDisposed();
return this.securityContext;
}
set
{
ThrowIfDisposed();
this.securityContext = value;
}
}
public ReadOnlyCollection<IAuthorizationPolicy> ExternalAuthorizationPolicies
{
get
{
return this.externalAuthorizationPolicies;
}
set
{
this.externalAuthorizationPolicies = value;
}
}
public SecurityTokenSpecification ProtectionToken
{
get
{
ThrowIfDisposed();
return this.protectionToken;
}
set
{
ThrowIfDisposed();
this.protectionToken = value;
}
}
public SecurityTokenSpecification InitiatorToken
{
get
{
ThrowIfDisposed();
return this.initiatorToken;
}
set
{
ThrowIfDisposed();
this.initiatorToken = value;
}
}
public SecurityTokenSpecification RecipientToken
{
get
{
ThrowIfDisposed();
return this.recipientToken;
}
set
{
ThrowIfDisposed();
this.recipientToken = value;
}
}
public SecurityTokenSpecification TransportToken
{
get
{
ThrowIfDisposed();
return this.transportToken;
}
set
{
ThrowIfDisposed();
this.transportToken = value;
}
}
public string SenderIdPrefix
{
get
{
return this.senderIdPrefix;
}
set
{
XmlHelper.ValidateIdPrefix(value);
this.senderIdPrefix = value;
}
}
public bool HasIncomingSupportingTokens
{
get
{
ThrowIfDisposed();
return ((this.incomingSupportingTokens != null) && (this.incomingSupportingTokens.Count > 0));
}
}
public Collection<SupportingTokenSpecification> IncomingSupportingTokens
{
get
{
ThrowIfDisposed();
if (this.incomingSupportingTokens == null)
{
this.incomingSupportingTokens = new Collection<SupportingTokenSpecification>();
}
return this.incomingSupportingTokens;
}
}
public Collection<SupportingTokenSpecification> OutgoingSupportingTokens
{
get
{
if (this.outgoingSupportingTokens == null)
{
this.outgoingSupportingTokens = new Collection<SupportingTokenSpecification>();
}
return this.outgoingSupportingTokens;
}
}
internal bool HasOutgoingSupportingTokens
{
get
{
return ((this.outgoingSupportingTokens != null) && (this.outgoingSupportingTokens.Count > 0));
}
}
public IMessageProperty CreateCopy()
{
ThrowIfDisposed();
SecurityMessageProperty result = new SecurityMessageProperty();
if (this.HasOutgoingSupportingTokens)
{
for (int i = 0; i < this.outgoingSupportingTokens.Count; ++i)
{
result.OutgoingSupportingTokens.Add(this.outgoingSupportingTokens[i]);
}
}
if (this.HasIncomingSupportingTokens)
{
for (int i = 0; i < this.incomingSupportingTokens.Count; ++i)
{
result.IncomingSupportingTokens.Add(this.incomingSupportingTokens[i]);
}
}
result.securityContext = this.securityContext;
result.externalAuthorizationPolicies = this.externalAuthorizationPolicies;
result.senderIdPrefix = this.senderIdPrefix;
result.protectionToken = this.protectionToken;
result.initiatorToken = this.initiatorToken;
result.recipientToken = this.recipientToken;
result.transportToken = this.transportToken;
return result;
}
public static SecurityMessageProperty GetOrCreate(Message message)
{
if (message == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
SecurityMessageProperty result = null;
if (message.Properties != null)
result = message.Properties.Security;
if (result == null)
{
result = new SecurityMessageProperty();
message.Properties.Security = result;
}
return result;
}
void AddAuthorizationPolicies(SecurityTokenSpecification spec, Collection<IAuthorizationPolicy> policies)
{
if (spec != null && spec.SecurityTokenPolicies != null && spec.SecurityTokenPolicies.Count > 0)
{
for (int i = 0; i < spec.SecurityTokenPolicies.Count; ++i)
{
policies.Add(spec.SecurityTokenPolicies[i]);
}
}
}
internal ReadOnlyCollection<IAuthorizationPolicy> GetInitiatorTokenAuthorizationPolicies()
{
return GetInitiatorTokenAuthorizationPolicies(true);
}
internal ReadOnlyCollection<IAuthorizationPolicy> GetInitiatorTokenAuthorizationPolicies(bool includeTransportToken)
{
return GetInitiatorTokenAuthorizationPolicies(includeTransportToken, null);
}
internal ReadOnlyCollection<IAuthorizationPolicy> GetInitiatorTokenAuthorizationPolicies(bool includeTransportToken, SecurityContextSecurityToken supportingSessionTokenToExclude)
{
// fast path
if (!this.HasIncomingSupportingTokens)
{
if (this.transportToken != null && this.initiatorToken == null && this.protectionToken == null)
{
if (includeTransportToken && this.transportToken.SecurityTokenPolicies != null)
{
return this.transportToken.SecurityTokenPolicies;
}
else
{
return EmptyReadOnlyCollection<IAuthorizationPolicy>.Instance;
}
}
else if (this.transportToken == null && this.initiatorToken != null && this.protectionToken == null)
{
return this.initiatorToken.SecurityTokenPolicies ?? EmptyReadOnlyCollection<IAuthorizationPolicy>.Instance;
}
else if (this.transportToken == null && this.initiatorToken == null && this.protectionToken != null)
{
return this.protectionToken.SecurityTokenPolicies ?? EmptyReadOnlyCollection<IAuthorizationPolicy>.Instance;
}
}
Collection<IAuthorizationPolicy> policies = new Collection<IAuthorizationPolicy>();
if (includeTransportToken)
{
AddAuthorizationPolicies(this.transportToken, policies);
}
AddAuthorizationPolicies(this.initiatorToken, policies);
AddAuthorizationPolicies(this.protectionToken, policies);
if (this.HasIncomingSupportingTokens)
{
for (int i = 0; i < this.incomingSupportingTokens.Count; ++i)
{
if (supportingSessionTokenToExclude != null)
{
SecurityContextSecurityToken sct = this.incomingSupportingTokens[i].SecurityToken as SecurityContextSecurityToken;
if (sct != null && sct.ContextId == supportingSessionTokenToExclude.ContextId)
{
continue;
}
}
SecurityTokenAttachmentMode attachmentMode = this.incomingSupportingTokens[i].SecurityTokenAttachmentMode;
// a safety net in case more attachment modes get added to the product without
// reviewing this code.
if (attachmentMode == SecurityTokenAttachmentMode.Endorsing
|| attachmentMode == SecurityTokenAttachmentMode.Signed
|| attachmentMode == SecurityTokenAttachmentMode.SignedEncrypted
|| attachmentMode == SecurityTokenAttachmentMode.SignedEndorsing)
{
AddAuthorizationPolicies(this.incomingSupportingTokens[i], policies);
}
}
}
return new ReadOnlyCollection<IAuthorizationPolicy>(policies);
}
public void Dispose()
{
// do no-op for future V2
if (!this.disposed)
{
this.disposed = true;
}
}
void ThrowIfDisposed()
{
if (this.disposed)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ObjectDisposedException(this.GetType().FullName));
}
}
}
}
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