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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.IdentityModel.Tokens
{
using System;
using System.Collections.Generic;
using System.ServiceModel.Security;
using System.ServiceModel.Security.Tokens;
using System.Xml;
using KeyIdentifierClauseEntry = System.IdentityModel.Selectors.SecurityTokenSerializer.KeyIdentifierClauseEntry;
using StrEntry = System.IdentityModel.Selectors.SecurityTokenSerializer.StrEntry;
using TokenEntry = System.IdentityModel.Selectors.SecurityTokenSerializer.TokenEntry;
class WSSecurityXXX2005 : WSSecurityJan2004
{
public WSSecurityXXX2005(KeyInfoSerializer securityTokenSerializer)
: base(securityTokenSerializer)
{
}
public override void PopulateStrEntries(IList<StrEntry> strEntries)
{
PopulateJan2004StrEntries(strEntries);
strEntries.Add(new SamlDirectStrEntry());
strEntries.Add(new X509ThumbprintStrEntry(this.SecurityTokenSerializer.EmitBspRequiredAttributes));
strEntries.Add(new EncryptedKeyHashStrEntry(this.SecurityTokenSerializer.EmitBspRequiredAttributes));
}
public override void PopulateTokenEntries(IList<TokenEntry> tokenEntryList)
{
PopulateJan2004TokenEntries(tokenEntryList);
tokenEntryList.Add(new WSSecurityXXX2005.WrappedKeyTokenEntry());
tokenEntryList.Add(new WSSecurityXXX2005.SamlTokenEntry());
}
public override void PopulateKeyIdentifierClauseEntries(IList<KeyIdentifierClauseEntry> clauseEntries)
{
List<StrEntry> strEntries = new List<StrEntry>();
this.SecurityTokenSerializer.PopulateStrEntries(strEntries);
SecurityTokenReferenceXXX2005ClauseEntry strClause = new SecurityTokenReferenceXXX2005ClauseEntry(this.SecurityTokenSerializer.EmitBspRequiredAttributes, strEntries);
clauseEntries.Add(strClause);
}
new class SamlTokenEntry : WSSecurityJan2004.SamlTokenEntry
{
public override string TokenTypeUri { get { return SecurityXXX2005Strings.SamlTokenType; } }
}
new class WrappedKeyTokenEntry : WSSecurityJan2004.WrappedKeyTokenEntry
{
public override string TokenTypeUri { get { return SecurityXXX2005Strings.EncryptedKeyTokenType; } }
}
class SecurityTokenReferenceXXX2005ClauseEntry : SecurityTokenReferenceJan2004ClauseEntry
{
public SecurityTokenReferenceXXX2005ClauseEntry(bool emitBspRequiredAttributes, IList<StrEntry> strEntries)
: base(emitBspRequiredAttributes, strEntries)
{
}
protected override string ReadTokenType(XmlDictionaryReader reader)
{
return reader.GetAttribute(XD.SecurityXXX2005Dictionary.TokenTypeAttribute, XD.SecurityXXX2005Dictionary.Namespace);
}
public override void WriteKeyIdentifierClauseCore(XmlDictionaryWriter writer, SecurityKeyIdentifierClause keyIdentifierClause)
{
for (int i = 0; i < this.StrEntries.Count; ++i)
{
if (this.StrEntries[i].SupportsCore(keyIdentifierClause))
{
writer.WriteStartElement(XD.SecurityJan2004Dictionary.Prefix.Value, XD.SecurityJan2004Dictionary.SecurityTokenReference, XD.SecurityJan2004Dictionary.Namespace);
string tokenTypeUri = this.GetTokenTypeUri(this.StrEntries[i], keyIdentifierClause);
if (tokenTypeUri != null)
{
writer.WriteAttributeString(XD.SecurityXXX2005Dictionary.Prefix.Value, XD.SecurityXXX2005Dictionary.TokenTypeAttribute, XD.SecurityXXX2005Dictionary.Namespace, tokenTypeUri);
}
this.StrEntries[i].WriteContent(writer, keyIdentifierClause);
writer.WriteEndElement();
return;
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.StandardsManagerCannotWriteObject, keyIdentifierClause.GetType())));
}
private string GetTokenTypeUri(StrEntry str, SecurityKeyIdentifierClause keyIdentifierClause)
{
bool emitTokenType = this.EmitTokenType(str);
if (emitTokenType)
{
string tokenTypeUri;
if (str is LocalReferenceStrEntry)
{
tokenTypeUri = (str as LocalReferenceStrEntry).GetLocalTokenTypeUri(keyIdentifierClause);
// only emit token type for SAML,Kerberos and Encrypted References
switch (tokenTypeUri)
{
case SecurityXXX2005Strings.Saml20TokenType:
case SecurityXXX2005Strings.SamlTokenType:
case SecurityXXX2005Strings.EncryptedKeyTokenType:
case SecurityJan2004Strings.KerberosTokenTypeGSS: break;
default:
tokenTypeUri = null;
break;
}
}
else
{
tokenTypeUri = str.GetTokenTypeUri();
}
return tokenTypeUri;
}
else
{
return null;
}
}
private bool EmitTokenType(StrEntry str)
{
bool emitTokenType = false;
// we emit tokentype always for SAML and Encrypted Key Tokens
if ((str is SamlJan2004KeyIdentifierStrEntry)
|| (str is EncryptedKeyHashStrEntry)
|| (str is SamlDirectStrEntry))
{
emitTokenType = true;
}
else if (this.EmitBspRequiredAttributes)
{
if ((str is KerberosHashStrEntry)
|| (str is LocalReferenceStrEntry))
{
emitTokenType = true;
}
}
return emitTokenType;
}
}
class EncryptedKeyHashStrEntry : WSSecurityJan2004.KeyIdentifierStrEntry
{
protected override Type ClauseType { get { return typeof(EncryptedKeyHashIdentifierClause); } }
public override Type TokenType { get { return typeof(WrappedKeySecurityToken); } }
protected override string ValueTypeUri { get { return SecurityXXX2005Strings.EncryptedKeyHashValueType; } }
public EncryptedKeyHashStrEntry(bool emitBspRequiredAttributes)
: base(emitBspRequiredAttributes)
{
}
public override bool CanReadClause(XmlDictionaryReader reader, string tokenType)
{
// Backward compatible with V1. Accept if missing.
if (tokenType != null && tokenType != SecurityXXX2005Strings.EncryptedKeyTokenType)
{
return false;
}
return base.CanReadClause(reader, tokenType);
}
protected override SecurityKeyIdentifierClause CreateClause(byte[] bytes, byte[] derivationNonce, int derivationLength)
{
return new EncryptedKeyHashIdentifierClause(bytes, true, derivationNonce, derivationLength);
}
public override string GetTokenTypeUri()
{
return SecurityXXX2005Strings.EncryptedKeyTokenType;
}
}
class X509ThumbprintStrEntry : WSSecurityJan2004.KeyIdentifierStrEntry
{
protected override Type ClauseType { get { return typeof(X509ThumbprintKeyIdentifierClause); } }
public override Type TokenType { get { return typeof(X509SecurityToken); } }
protected override string ValueTypeUri { get { return SecurityXXX2005Strings.ThumbprintSha1ValueType; } }
public X509ThumbprintStrEntry(bool emitBspRequiredAttributes)
: base(emitBspRequiredAttributes)
{
}
protected override SecurityKeyIdentifierClause CreateClause(byte[] bytes, byte[] derivationNonce, int derivationLength)
{
return new X509ThumbprintKeyIdentifierClause(bytes);
}
public override string GetTokenTypeUri()
{
return XD.SecurityXXX2005Dictionary.ThumbprintSha1ValueType.Value;
}
}
class SamlDirectStrEntry : StrEntry
{
public override bool CanReadClause(XmlDictionaryReader reader, string tokenType)
{
if (tokenType != XD.SecurityXXX2005Dictionary.Saml20TokenType.Value)
{
return false;
}
return (reader.IsStartElement(XD.SecurityJan2004Dictionary.Reference, XD.SecurityJan2004Dictionary.Namespace));
}
public override Type GetTokenType(SecurityKeyIdentifierClause clause)
{
return null;
}
public override string GetTokenTypeUri()
{
return XD.SecurityXXX2005Dictionary.Saml20TokenType.Value;
}
public override SecurityKeyIdentifierClause ReadClause(XmlDictionaryReader reader, byte[] derivationNone, int derivationLength, string tokenType)
{
string samlUri = reader.GetAttribute(XD.SecurityJan2004Dictionary.URI, null);
if (reader.IsEmptyElement)
{
reader.Read();
}
else
{
reader.ReadStartElement();
reader.ReadEndElement();
}
return new SamlAssertionDirectKeyIdentifierClause(samlUri, derivationNone, derivationLength);
}
public override bool SupportsCore(SecurityKeyIdentifierClause clause)
{
return typeof(SamlAssertionDirectKeyIdentifierClause).IsAssignableFrom(clause.GetType());
}
public override void WriteContent(XmlDictionaryWriter writer, SecurityKeyIdentifierClause clause)
{
SamlAssertionDirectKeyIdentifierClause samlClause = clause as SamlAssertionDirectKeyIdentifierClause;
writer.WriteStartElement(XD.SecurityJan2004Dictionary.Prefix.Value, XD.SecurityJan2004Dictionary.Reference, XD.SecurityJan2004Dictionary.Namespace);
writer.WriteAttributeString(XD.SecurityJan2004Dictionary.URI, null, samlClause.SamlUri);
writer.WriteEndElement();
}
}
}
}
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