mirror of
https://github.com/vxunderground/MalwareSourceCode.git
synced 2024-12-19 09:56:10 +00:00
313 lines
17 KiB
C#
313 lines
17 KiB
C#
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// Decompiled with JetBrains decompiler
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// Type: Microsoft.InfoCards.SelfIssuedSamlTokenFactory
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// Assembly: infocard, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
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// MVID: ADE0A079-11DB-4A46-8BDE-D2A592CA8DEA
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// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00001-msil\Virus.Win32.Expiro.w-1f15ee7e9f7da02b6bfb4c5a5e6484eb9fa71b82d3699c54bcc7a31794b4a66d.exe
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using Microsoft.InfoCards.Diagnostics;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Globalization;
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using System.IdentityModel.Tokens;
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using System.IO;
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using System.Security.Cryptography;
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using System.ServiceModel;
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using System.ServiceModel.Security;
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using System.Xml;
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namespace Microsoft.InfoCards
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{
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internal class SelfIssuedSamlTokenFactory : TokenFactoryBase
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{
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private const string SamlAssertionIdPrefix = "SamlSecurityToken-";
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private const string DefaultDigestAlgorithm = "http://www.w3.org/2000/09/xmldsig#sha1";
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public static readonly TimeSpan TokenLifetime = new TimeSpan(1, 0, 0);
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private static readonly SamlSerializer samlSerializer = new SamlSerializer();
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private string m_signatureAlgorithm = "http://www.w3.org/2000/09/xmldsig#rsa-sha1";
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private string m_encryptionAlgorithm = SecurityAlgorithmSuite.Default.DefaultEncryptionAlgorithm;
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private string m_encryptWithAlgorithm;
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private string m_keyWrapAlgorithm;
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protected override TokenDescriptor ProduceToken(
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InfoCard card,
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TokenCreationParameter creationParam,
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TokenFactoryCredential credential,
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InfoCardPolicy policy,
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bool discloseOptional)
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{
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RSACryptoServiceProvider cryptoServiceProvider = (RSACryptoServiceProvider) null;
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SymmetricAlgorithm symmetricProof = (SymmetricAlgorithm) null;
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if (!string.IsNullOrEmpty(policy.OptionalRstParams.SignatureAlgorithm))
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this.m_signatureAlgorithm = policy.OptionalRstParams.SignatureAlgorithm;
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if (!string.IsNullOrEmpty(policy.OptionalRstParams.EncryptionAlgorithm))
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this.m_encryptionAlgorithm = policy.OptionalRstParams.EncryptionAlgorithm;
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TokenDescriptor tokenDescriptor;
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try
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{
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List<InfoCardClaim> claimSet = this.GetClaimSet(card, policy, discloseOptional);
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List<string> disclosedClaims = new List<string>(claimSet.Count);
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for (int index = 0; index < claimSet.Count; ++index)
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disclosedClaims.Add(claimSet[index].Id);
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SamlSecurityToken samlToken;
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DisplayToken displayToken;
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XmlElement protectedToken;
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using (RSACryptoServiceProvider publicCryptography = card.GetPublicCryptography(policy.Recipient.GetIdentifier()))
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{
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SecurityKeyIdentifier issuerKeyIdentifier = new SecurityKeyIdentifier(new SecurityKeyIdentifierClause[1]
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{
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(SecurityKeyIdentifierClause) new RsaKeyIdentifierClause((RSA) publicCryptography)
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});
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SecurityKeyIdentifier proofKeyIdentifier;
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SecurityKey proofCryptoInsideSamlToken;
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if (policy.KeyType == SecurityKeyTypeInternal.SymmetricKey)
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{
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InfoCardTrace.Assert(policy.ImmediateTokenRecipient is X509RecipientIdentity, "Symmetric key type is not allowed when no certifcate is provided for the token recipeint");
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this.m_keyWrapAlgorithm = SecurityAlgorithmSuite.Default.DefaultAsymmetricKeyWrapAlgorithm;
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InfoCardTrace.Assert("http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p" == this.m_keyWrapAlgorithm, "What we have chosen");
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this.m_encryptWithAlgorithm = string.IsNullOrEmpty(policy.OptionalRstParams.EncryptWith) ? SecurityAlgorithmSuite.Default.DefaultEncryptionAlgorithm : policy.OptionalRstParams.EncryptWith;
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symmetricProof = (SymmetricAlgorithm) new RijndaelManaged();
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SecurityAlgorithmSuite securityAlgorithmSuite;
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switch (this.m_encryptWithAlgorithm)
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{
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case "http://www.w3.org/2001/04/xmlenc#aes128-cbc":
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securityAlgorithmSuite = SecurityAlgorithmSuite.Basic128;
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break;
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case "http://www.w3.org/2001/04/xmlenc#aes192-cbc":
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securityAlgorithmSuite = SecurityAlgorithmSuite.Basic192;
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break;
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case "http://www.w3.org/2001/04/xmlenc#aes256-cbc":
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securityAlgorithmSuite = SecurityAlgorithmSuite.Basic256;
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break;
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case "http://www.w3.org/2001/04/xmlenc#tripledes-cbc":
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securityAlgorithmSuite = SecurityAlgorithmSuite.TripleDes;
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break;
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default:
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throw InfoCardTrace.ThrowHelperError((Exception) new TokenCreationException(SR.GetString("UnsupportedEncryptWithAlgorithm", (object) this.m_encryptWithAlgorithm)));
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}
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symmetricProof.KeySize = securityAlgorithmSuite.DefaultSymmetricKeyLength;
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X509SecurityToken x509SecurityToken = new X509SecurityToken(((X509RecipientIdentity) policy.ImmediateTokenRecipient).LeafCertificate, Guid.NewGuid().ToString());
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SecurityKeyIdentifier encryptingKeyIdentifier = new SecurityKeyIdentifier(new SecurityKeyIdentifierClause[1]
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{
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(SecurityKeyIdentifierClause) x509SecurityToken.CreateKeyIdentifierClause<X509ThumbprintKeyIdentifierClause>()
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});
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proofKeyIdentifier = new SecurityKeyIdentifier(new SecurityKeyIdentifierClause[1]
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{
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(SecurityKeyIdentifierClause) new EncryptedKeyIdentifierClause(x509SecurityToken.SecurityKeys[0].EncryptKey(this.m_keyWrapAlgorithm, symmetricProof.Key), this.m_keyWrapAlgorithm, encryptingKeyIdentifier)
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});
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proofCryptoInsideSamlToken = (SecurityKey) new InMemorySymmetricSecurityKey(symmetricProof.Key);
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this.ThrowIfProofKeyOperationsNotSupported(policy, proofCryptoInsideSamlToken);
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}
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else if (SecurityKeyTypeInternal.AsymmetricKey == policy.KeyType)
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{
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this.m_encryptWithAlgorithm = string.IsNullOrEmpty(policy.OptionalRstParams.EncryptWith) ? SecurityAlgorithmSuite.Default.DefaultAsymmetricKeyWrapAlgorithm : policy.OptionalRstParams.EncryptWith;
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this.m_keyWrapAlgorithm = this.m_encryptWithAlgorithm;
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symmetricProof = (SymmetricAlgorithm) null;
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cryptoServiceProvider = publicCryptography;
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proofKeyIdentifier = new SecurityKeyIdentifier(new SecurityKeyIdentifierClause[1]
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{
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(SecurityKeyIdentifierClause) new RsaKeyIdentifierClause((RSA) cryptoServiceProvider)
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});
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proofCryptoInsideSamlToken = proofKeyIdentifier.CreateKey();
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this.ThrowIfProofKeyOperationsNotSupported(policy, proofCryptoInsideSamlToken);
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}
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else
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{
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this.m_keyWrapAlgorithm = SecurityAlgorithmSuite.Default.DefaultAsymmetricKeyWrapAlgorithm;
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InfoCardTrace.Assert("http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p" == this.m_keyWrapAlgorithm, "What we have chosen");
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InfoCardTrace.Assert(SecurityKeyTypeInternal.NoKey == policy.KeyType, "Bad enum member for SecurityKeyTypeInternal.");
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proofKeyIdentifier = (SecurityKeyIdentifier) null;
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proofCryptoInsideSamlToken = (SecurityKey) null;
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}
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using (SelfIssuedAuthAsymmetricKey issuerSigningKey = new SelfIssuedAuthAsymmetricKey(card.GetPrivateCryptography(policy.Recipient.GetIdentifier())))
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{
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Uri uri = policy.ImmediateTokenRecipient.Address.Uri;
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if ((EndpointAddress) null != policy.PolicyAppliesTo)
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uri = policy.PolicyAppliesTo.Uri;
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samlToken = this.CreateSamlToken(claimSet, issuerKeyIdentifier, proofKeyIdentifier, proofCryptoInsideSamlToken, (SecurityKey) issuerSigningKey, uri);
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displayToken = this.CreateDisplayToken(claimSet);
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if (policy.ImmediateTokenRecipient is X509RecipientIdentity immediateTokenRecipient)
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{
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protectedToken = EncryptionUtility.EncryptSecurityToken((SecurityToken) samlToken, immediateTokenRecipient.LeafCertificate, this.m_encryptionAlgorithm, this.m_keyWrapAlgorithm, policy.ProtocolVersionProfile);
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}
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else
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{
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MemoryStream input = new MemoryStream();
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XmlDictionaryWriter dictionaryWriter = XmlDictionaryWriter.CreateDictionaryWriter((XmlWriter) new XmlTextWriter((TextWriter) new StreamWriter((Stream) input)));
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policy.ProtocolVersionProfile.TokenSerializer.WriteToken((XmlWriter) dictionaryWriter, (SecurityToken) samlToken);
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dictionaryWriter.Flush();
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input.Seek(0L, SeekOrigin.Begin);
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protectedToken = (XmlElement) new XmlDocument().ReadNode((XmlReader) Utility.CreateReaderWithQuotas((Stream) input));
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Array.Clear((Array) input.GetBuffer(), 0, Convert.ToInt32(input.Length));
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input.Close();
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}
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}
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}
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StringWriter w = new StringWriter((IFormatProvider) CultureInfo.InvariantCulture);
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policy.ProtocolVersionProfile.TokenSerializer.WriteKeyIdentifierClause((XmlWriter) XmlDictionaryWriter.CreateDictionaryWriter((XmlWriter) new XmlTextWriter((TextWriter) w)), (SecurityKeyIdentifierClause) new SamlAssertionKeyIdentifierClause(samlToken.Id));
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w.Flush();
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string str = w.GetStringBuilder().ToString();
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tokenDescriptor = new TokenDescriptor(samlToken.Id, samlToken.ValidFrom, samlToken.ValidTo, protectedToken, displayToken, symmetricProof, str, str, (IEnumerable<string>) disclosedClaims);
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symmetricProof = (SymmetricAlgorithm) null;
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}
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catch (InfoCardBaseException ex)
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{
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throw;
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}
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catch (Exception ex)
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{
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if (!InfoCardTrace.IsFatal(ex))
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throw InfoCardTrace.ThrowHelperError((Exception) new TokenCreationException((string) null, ex));
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throw;
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}
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finally
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{
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cryptoServiceProvider?.Dispose();
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symmetricProof?.Dispose();
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}
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return tokenDescriptor;
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}
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private void ThrowIfProofKeyOperationsNotSupported(
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InfoCardPolicy policy,
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SecurityKey proofCryptoInsideSamlToken)
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{
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if (!string.IsNullOrEmpty(policy.OptionalRstParams.SignWith) && !proofCryptoInsideSamlToken.IsSupportedAlgorithm(policy.OptionalRstParams.SignWith))
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throw InfoCardTrace.ThrowHelperError((Exception) new TokenCreationException(SR.GetString("UnsupportedSignWithAlgorithm", (object) policy.OptionalRstParams.SignWith)));
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if (!proofCryptoInsideSamlToken.IsSupportedAlgorithm(this.m_encryptWithAlgorithm))
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throw InfoCardTrace.ThrowHelperError((Exception) new TokenCreationException(SR.GetString("UnsupportedEncryptWithAlgorithm", (object) this.m_encryptWithAlgorithm)));
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}
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private SamlSecurityToken CreateSamlToken(
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List<InfoCardClaim> claims,
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SecurityKeyIdentifier issuerKeyIdentifier,
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SecurityKeyIdentifier proofKeyIdentifier,
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SecurityKey proofCryptoInsideSamlToken,
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SecurityKey issuerSigningKey,
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Uri immediateTokenRecipientUri)
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{
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DateTime utcNow = DateTime.UtcNow;
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SamlAudienceRestrictionCondition restrictionCondition = new SamlAudienceRestrictionCondition((IEnumerable<Uri>) new Collection<Uri>()
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{
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immediateTokenRecipientUri
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});
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SamlConditions samlConditions = new SamlConditions(utcNow, utcNow.Add(SelfIssuedSamlTokenFactory.TokenLifetime), (IEnumerable<SamlCondition>) new Collection<SamlCondition>()
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{
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(SamlCondition) restrictionCondition
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});
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SamlSubject samlSubject = new SamlSubject((string) null, (string) null, (string) null, (IEnumerable<string>) new string[1]
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{
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proofKeyIdentifier != null ? SamlConstants.HolderOfKey : "urn:oasis:names:tc:SAML:1.0:cm:bearer"
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}, (string) null, proofKeyIdentifier);
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if (proofCryptoInsideSamlToken != null)
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samlSubject.Crypto = proofCryptoInsideSamlToken;
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List<SamlAttribute> attributes = new List<SamlAttribute>(claims.Count);
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char[] chArray = new char[1]{ '/' };
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for (int index = 0; index < claims.Count; ++index)
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{
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string[] strArray = claims[index].Id.Split(chArray);
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InfoCardTrace.ThrowInvalidArgumentConditional(0 == strArray.Length, "claimUri");
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string attributeName = strArray[strArray.Length - 1];
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if (claims[index].Id == InfoCardConstants.Gender)
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InfoCardTrace.Assert(claims[index].Value == "0" || claims[index].Value == "1" || claims[index].Value == "2", "Wrong value type for gender claim, only values '0' (Unspecified), '1' (Male) and '2' (Female) are allowed ");
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if (claims[index].Id == InfoCardConstants.DateOfBirth)
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{
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DateTime universalTime = DateTime.Parse(claims[index].Value, (IFormatProvider) CultureInfo.InvariantCulture).ToUniversalTime();
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InfoCardTrace.Assert(true, "Invalid value for date of birth ");
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attributes.Add(new SamlAttribute("http://schemas.xmlsoap.org/ws/2005/05/identity/claims", attributeName, (IEnumerable<string>) new string[1]
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{
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XmlConvert.ToString(universalTime, XmlDateTimeSerializationMode.Utc)
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}));
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}
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else
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attributes.Add(new SamlAttribute("http://schemas.xmlsoap.org/ws/2005/05/identity/claims", attributeName, (IEnumerable<string>) new string[1]
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{
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claims[index].ToString()
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}));
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}
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SamlAttributeStatement attributeStatement = new SamlAttributeStatement(samlSubject, (IEnumerable<SamlAttribute>) attributes);
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SamlAssertion assertion = new SamlAssertion("SamlSecurityToken-" + Guid.NewGuid().ToString(), "http://schemas.xmlsoap.org/ws/2005/05/identity/issuer/self", utcNow, samlConditions, (SamlAdvice) null, (IEnumerable<SamlStatement>) new List<SamlStatement>(1)
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{
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(SamlStatement) attributeStatement
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});
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if (!issuerSigningKey.IsSupportedAlgorithm(this.m_signatureAlgorithm))
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throw InfoCardTrace.ThrowHelperError((Exception) new TokenCreationException(SR.GetString("UnsupportedSignatureAlgorithm", (object) this.m_signatureAlgorithm)));
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assertion.SigningCredentials = new SigningCredentials(issuerSigningKey, this.m_signatureAlgorithm, "http://www.w3.org/2000/09/xmldsig#sha1", issuerKeyIdentifier);
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return new SamlSecurityToken(assertion);
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}
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private DisplayToken CreateDisplayToken(List<InfoCardClaim> claims)
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{
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List<DisplayClaim> claimList = new List<DisplayClaim>();
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for (int index = 0; index < claims.Count; ++index)
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{
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DisplayClaim displayClaim = new DisplayClaim(InfoCardConstants.ClaimDisplayTag(claims[index].Id.ToString()), new List<string>()
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{
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claims[index].Value
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}, InfoCardConstants.ClaimsDescription(claims[index].Id.ToString()), claims[index].Id.ToString());
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claimList.Add(displayClaim);
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}
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return new DisplayToken(claimList);
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}
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private List<InfoCardClaim> GetClaimSet(
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InfoCard card,
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InfoCardPolicy policy,
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bool discloseOptional)
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{
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StoreConnection connection = StoreConnection.GetConnection();
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try
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{
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List<InfoCardClaim> intersectedClaims = (List<InfoCardClaim>) null;
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if (policy.RequiredClaims != null)
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{
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intersectedClaims = new List<InfoCardClaim>(policy.RequiredClaims.Length);
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this.AddClaimsThatIntersect(policy.RequiredClaims, false, card.GetClaims(), policy.ImmediateTokenRecipient.GetOrganizationPPIDIdentifier(), card.Id, intersectedClaims);
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}
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if (discloseOptional && policy.OptionalClaims != null)
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{
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if (intersectedClaims == null)
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intersectedClaims = new List<InfoCardClaim>(policy.OptionalClaims.Length);
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this.AddClaimsThatIntersect(policy.OptionalClaims, true, card.GetClaims(), policy.ImmediateTokenRecipient.GetOrganizationPPIDIdentifier(), card.Id, intersectedClaims);
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}
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return intersectedClaims;
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}
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finally
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{
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connection.Close();
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}
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}
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private void AddClaimsThatIntersect(
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string[] policyClaims,
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bool processingOptionalClaims,
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InfoCardClaimCollection claims,
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string recipientidentifier,
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Uri cardId,
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List<InfoCardClaim> intersectedClaims)
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{
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foreach (string policyClaim in policyClaims)
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{
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if (policyClaim == InfoCardConstants.PPIDClaimsUri)
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{
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string ppid = Utility.CreatePpid(Convert.FromBase64String(recipientidentifier), cardId);
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intersectedClaims.Add(new InfoCardClaim(InfoCardConstants.PPIDClaimsUri, ppid));
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}
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else if (!processingOptionalClaims)
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{
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InfoCardTrace.ThrowInvalidArgumentConditional(!claims.ContainsKey(policyClaim) || claims[policyClaim] == null || string.IsNullOrEmpty(claims[policyClaim].Value), "policyClaimUri");
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intersectedClaims.Add(claims[policyClaim]);
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}
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else
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{
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InfoCardClaim infoCardClaim = (InfoCardClaim) null;
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if (claims.ContainsKey(policyClaim))
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infoCardClaim = claims[policyClaim];
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if (infoCardClaim != null && !string.IsNullOrEmpty(infoCardClaim.Value))
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intersectedClaims.Add(infoCardClaim);
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}
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}
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}
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}
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}
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