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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Security
{
using System.Collections.Generic;
using System.ServiceModel.Channels;
using System.Collections.ObjectModel;
using System.Globalization;
using System.ServiceModel;
using System.Xml;
using System.IdentityModel.Selectors;
using System.ServiceModel.Diagnostics;
sealed class IssuedTokensHeader : MessageHeader
{
ReadOnlyCollection<RequestSecurityTokenResponse> tokenIssuances;
SecurityStandardsManager standardsManager;
string actor;
bool mustUnderstand;
bool relay;
bool isRefParam;
public IssuedTokensHeader(RequestSecurityTokenResponse tokenIssuance, MessageSecurityVersion version, SecurityTokenSerializer tokenSerializer)
: this(tokenIssuance, new SecurityStandardsManager(version, tokenSerializer))
{
}
public IssuedTokensHeader(RequestSecurityTokenResponse tokenIssuance, SecurityStandardsManager standardsManager)
: base()
{
if (tokenIssuance == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("tokenIssuance");
}
Collection<RequestSecurityTokenResponse> coll = new Collection<RequestSecurityTokenResponse>();
coll.Add(tokenIssuance);
Initialize(coll, standardsManager);
}
public IssuedTokensHeader(IEnumerable<RequestSecurityTokenResponse> tokenIssuances, SecurityStandardsManager standardsManager)
: base()
{
if (tokenIssuances == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("tokenIssuances");
}
int index = 0;
Collection<RequestSecurityTokenResponse> coll = new Collection<RequestSecurityTokenResponse>();
foreach (RequestSecurityTokenResponse rstr in tokenIssuances)
{
if (rstr == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(String.Format(CultureInfo.InvariantCulture, "tokenIssuances[{0}]", index));
}
coll.Add(rstr);
++index;
}
Initialize(coll, standardsManager);
}
void Initialize(Collection<RequestSecurityTokenResponse> coll, SecurityStandardsManager standardsManager)
{
if (standardsManager == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("standardsManager"));
}
this.standardsManager = standardsManager;
this.tokenIssuances = new ReadOnlyCollection<RequestSecurityTokenResponse>(coll);
this.actor = base.Actor;
this.mustUnderstand = base.MustUnderstand;
this.relay = base.Relay;
}
public IssuedTokensHeader(XmlReader xmlReader, MessageVersion version, SecurityStandardsManager standardsManager)
: base()
{
if (xmlReader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("xmlReader");
}
if (standardsManager == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("standardsManager"));
}
this.standardsManager = standardsManager;
XmlDictionaryReader reader = XmlDictionaryReader.CreateDictionaryReader(xmlReader);
MessageHeader.GetHeaderAttributes(reader, version, out this.actor, out this.mustUnderstand, out this.relay, out this.isRefParam);
reader.ReadStartElement(this.Name, this.Namespace);
Collection<RequestSecurityTokenResponse> coll = new Collection<RequestSecurityTokenResponse>();
if (this.standardsManager.TrustDriver.IsAtRequestSecurityTokenResponseCollection(reader))
{
RequestSecurityTokenResponseCollection rstrColl = this.standardsManager.TrustDriver.CreateRequestSecurityTokenResponseCollection(reader);
foreach (RequestSecurityTokenResponse rstr in rstrColl.RstrCollection)
{
coll.Add(rstr);
}
}
else
{
RequestSecurityTokenResponse rstr = this.standardsManager.TrustDriver.CreateRequestSecurityTokenResponse(reader);
coll.Add(rstr);
}
this.tokenIssuances = new ReadOnlyCollection<RequestSecurityTokenResponse>(coll);
reader.ReadEndElement();
}
public ReadOnlyCollection<RequestSecurityTokenResponse> TokenIssuances
{
get
{
return this.tokenIssuances;
}
}
public override string Actor
{
get
{
return this.actor;
}
}
public override bool IsReferenceParameter
{
get
{
return this.isRefParam;
}
}
public override bool MustUnderstand
{
get
{
return this.mustUnderstand;
}
}
public override bool Relay
{
get
{
return this.relay;
}
}
public override string Name
{
get
{
return this.standardsManager.TrustDriver.IssuedTokensHeaderName;
}
}
public override string Namespace
{
get
{
return this.standardsManager.TrustDriver.IssuedTokensHeaderNamespace;
}
}
protected override void OnWriteHeaderContents(XmlDictionaryWriter writer, MessageVersion messageVersion)
{
if (this.tokenIssuances.Count == 1)
{
this.standardsManager.TrustDriver.WriteRequestSecurityTokenResponse(this.tokenIssuances[0], writer);
}
else
{
RequestSecurityTokenResponseCollection rstrCollection = new RequestSecurityTokenResponseCollection(this.tokenIssuances, this.standardsManager);
rstrCollection.WriteTo(writer);
}
}
internal static Collection<RequestSecurityTokenResponse> ExtractIssuances(Message message, MessageSecurityVersion version, WSSecurityTokenSerializer tokenSerializer, string[] actors, XmlQualifiedName expectedAppliesToQName)
{
return ExtractIssuances(message, new SecurityStandardsManager(version, tokenSerializer), actors, expectedAppliesToQName);
}
// if expectedAppliesToQName is null all issuances matching the actors are returned.
internal static Collection<RequestSecurityTokenResponse> ExtractIssuances(Message message, SecurityStandardsManager standardsManager, string[] actors, XmlQualifiedName expectedAppliesToQName)
{
if (message == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
}
if (standardsManager == null)
{
standardsManager = SecurityStandardsManager.DefaultInstance;
}
if (actors == null)
{
throw TraceUtility.ThrowHelperArgumentNull("actors", message);
}
Collection<RequestSecurityTokenResponse> issuances = new Collection<RequestSecurityTokenResponse>();
for (int i = 0; i < message.Headers.Count; ++i)
{
if (message.Headers[i].Name == standardsManager.TrustDriver.IssuedTokensHeaderName && message.Headers[i].Namespace == standardsManager.TrustDriver.IssuedTokensHeaderNamespace)
{
bool isValidActor = false;
for (int j = 0; j < actors.Length; ++j)
{
if (actors[j] == message.Headers[i].Actor)
{
isValidActor = true;
break;
}
}
if (!isValidActor)
{
continue;
}
IssuedTokensHeader issuedTokensHeader = new IssuedTokensHeader(message.Headers.GetReaderAtHeader(i), message.Version, standardsManager);
for (int k = 0; k < issuedTokensHeader.TokenIssuances.Count; ++k)
{
bool isMatch;
if (expectedAppliesToQName != null)
{
string issuanceAppliesToName;
string issuanceAppliesToNs;
issuedTokensHeader.TokenIssuances[k].GetAppliesToQName(out issuanceAppliesToName, out issuanceAppliesToNs);
if (issuanceAppliesToName == expectedAppliesToQName.Name && issuanceAppliesToNs == expectedAppliesToQName.Namespace)
{
isMatch = true;
}
else
{
isMatch = false;
}
}
else
{
isMatch = true;
}
if (isMatch)
{
issuances.Add(issuedTokensHeader.TokenIssuances[k]);
}
}
}
}
return issuances;
}
}
}
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