Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / infocard / Service / managed / Microsoft / InfoCards / RecipientIdentity.cs / 2 / RecipientIdentity.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace Microsoft.InfoCards { using System; using System.Diagnostics; using System.Globalization; using System.ServiceModel; using System.Security.Cryptography.X509Certificates; using System.IdentityModel.Tokens; using System.Security.Cryptography; using System.Text; using IDT = Microsoft.InfoCards.Diagnostics.InfoCardTrace; // // Summary // This class is the base class for a recipient identity. The base identity is DNS. // internal class RecipientIdentity { EndpointAddress m_address; string m_identifier = string.Empty; string m_organizationIdentifier = string.Empty; string m_organizationPPIDIdentifier = string.Empty; bool m_hasBeenValidated = false; public static RecipientIdentity CreateIdentity( EndpointAddress epr, bool validate ) { if( epr.Identity is X509CertificateEndpointIdentity ) { if( null == ( (X509CertificateEndpointIdentity)epr.Identity ).Certificates || ( (X509CertificateEndpointIdentity)epr.Identity ).Certificates.Count < 1 ) { throw IDT.ThrowHelperError( new PolicyValidationException() ); } RecipientIdentity id = new X509RecipientIdentity( epr, ( (X509CertificateEndpointIdentity)epr.Identity ).Certificates ); if( validate ) { id.Validate(); } return id; } else if( null == epr.Identity ) { RecipientIdentity id = new RecipientIdentity( epr ); if( validate ) { id.Validate(); } return id; } else { throw IDT.ThrowHelperError( new IdentityValidationException( SR.GetString( SR.UnsupportedIdentityType ) ) ); } } public RecipientIdentity( EndpointAddress epr ) { m_address = epr; } public EndpointAddress Address { get { return m_address; } } protected bool HasBeenValidated { set { m_hasBeenValidated = value; } get { return m_hasBeenValidated; } } protected string Identifier { set { m_identifier = value; } } protected string OrganizationIdentifier { set { m_organizationIdentifier = value; } } protected string OrganizationPPIDIdentifier { set { m_organizationPPIDIdentifier = value; } } public virtual void Validate() { if( !m_hasBeenValidated ) { using( SHA256 sha = new SHA256Managed() ) { m_identifier = Convert.ToBase64String( sha.ComputeHash( Encoding.Unicode.GetBytes( m_address.Uri.Host ) ) ); m_organizationIdentifier = m_identifier; m_organizationPPIDIdentifier = m_identifier; } m_hasBeenValidated = true; } } public virtual string GetIdentifier() { IDT.Assert( HasBeenValidated, "Identity has not been validated" ); return m_identifier; } public virtual string GetOrganizationIdentifier() { IDT.Assert( HasBeenValidated, "Identity has not been validated" ); return m_organizationIdentifier; } public virtual string GetOrganizationPPIDIdentifier() { IDT.Assert( HasBeenValidated, "Identity has not been validated" ); return m_organizationPPIDIdentifier; } public virtual string GetName() { return m_address.Uri.Host; } } // // Summary // This class represents an X509 based recipient identity. // internal class X509RecipientIdentity : RecipientIdentity { X509Certificate2Collection m_certificates; Recipient.RecipientCertParameters m_recipientParams; bool isChainTrusted = false; public Recipient.RecipientCertParameters RecipientParams { get { return m_recipientParams; } } public X509Certificate2 LeafCertificate { get { return m_certificates[ 0 ]; } } public X509RecipientIdentity( EndpointAddress epr, X509Certificate2Collection certificates ) : base( epr ) { m_certificates = certificates; } public override void Validate() { if( !HasBeenValidated ) { isChainTrusted = ValidateCertificate(); Identifier = Microsoft.InfoCards.Recipient.CertGetRecipientIdHash( LeafCertificate, m_certificates, isChainTrusted, out m_recipientParams ); OrganizationIdentifier = Microsoft.InfoCards.Recipient.CertGetRecipientOrganizationIdHash( LeafCertificate, m_certificates, ValidateCertificate() ); OrganizationPPIDIdentifier = Microsoft.InfoCards.Recipient.CertGetRecipientOrganizationPPIDSeedHash( LeafCertificate, m_certificates, ValidateCertificate() ); HasBeenValidated = true; } } public override string GetName() { string name = LeafCertificate.FriendlyName; if( string.IsNullOrEmpty( name ) ) { name = LeafCertificate.GetNameInfo( X509NameType.SimpleName, false ); } return name; } // // Summary: // Verify that the chain for the RP certificate is trusted. // Either machine or user roots are ok. // If not, try peer trust. // // Returns // True if the recipient is chain trusted // private bool ValidateCertificate() { bool isCertChainTrusted = false; try { InfoCardX509Validator.ValidateChainOrPeer( LeafCertificate, m_certificates, out isCertChainTrusted ); } catch( SecurityTokenValidationException validationE ) { throw IDT.ThrowHelperError( new IdentityValidationException( SR.GetString( SR.RecipientCertificateNotValid ), validationE ) ); } return isCertChainTrusted; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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