GetImportedCardRequest.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / infocard / Service / managed / Microsoft / InfoCards / GetImportedCardRequest.cs / 1 / GetImportedCardRequest.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace Microsoft.InfoCards
{ 
    using System;
    using System.Collections; 
    using System.IO; 
    using System.Runtime.InteropServices;
    using System.Collections.Generic; 
    using System.Security.Cryptography.X509Certificates;
    using IDT = Microsoft.InfoCards.Diagnostics.InfoCardTrace;

    // 
    // This class represents a request to parse a .crd file to create
    // and infocard and return it to the UI. 
    // 
    class GetImportedCardRequest : UIAgentRequest
    { 
        public enum ImportCardMatchStatus :byte
        {
            MatchNone,               // Imported card does not match any existing cards
            MatchSameVersion,        // Imported card matches an existing card with the same version 
            MatchNewerVersion,       // Imported card matches an existing card with a newer version
            MatchOlderVersion        // Imported card matches an existing card with an older version 
        }; 

 
        InfoCard m_card;
        Recipient m_issuer;
        string m_filename;
        String m_policyLink; 
        InfoCardPolicy m_policy;
        ImportCardMatchStatus m_matchFlag; 
 
        public GetImportedCardRequest( IntPtr rpcHandle, Stream inArgs, Stream outArgs, ClientUIRequest parent )
            : base( rpcHandle, inArgs, outArgs, parent ) 
        {
            m_matchFlag = ImportCardMatchStatus.MatchNone;
        }
 

        protected override void OnInitializeAsSystem() 
        { 
            base.OnInitializeAsSystem();
            m_policy = GetPolicy(); // m_policy is null in manage case 
        }

        //
        // Summary 
        // Read the imported filename
        // 
        protected override void OnMarshalInArgs() 
        {
            BinaryReader reader = new InfoCardBinaryReader( InArgs, System.Text.Encoding.Unicode ); 
            m_filename = Utility.DeserializeString( reader );
        }

        // 
        // Summary
        //  create an infocard from the card file 
        // 
        protected override void OnProcess()
        { 
            StoreConnection connection = StoreConnection.GetConnection();
            try
            {
                IDT.Assert( !String.IsNullOrEmpty( m_filename ), "No file name provided for import" ); 

                InfoCardXmlSerializer serializer = new InfoCardXmlSerializer( connection ); 
                serializer.CheckSignature = true; 
                serializer.Deserialize( m_filename );
                m_card = serializer.Card; 

                //
                // Set the installation date.
                // 
                m_card.IsImported = true;
                m_card.InstalledOn = DateTime.Now; 
                X509Certificate2 cert = serializer.Issuer; 

                // 
                // The card and issuer can never be null
                //
                if( null != cert && null != m_card && m_card.IsComplete() )
                { 
                    Recipient.RecipientCertParameters recipientParameters;
                    string recipIdentifier = Recipient.CertGetRecipientIdHash( 
                        cert, serializer.AdditionalIssuerCerts, serializer.IsIssuerChainTrusted, out recipientParameters ); 
                    string recipOrgIdentifier = Recipient.CertGetRecipientOrganizationIdHash(
                        cert, serializer.AdditionalIssuerCerts, serializer.IsIssuerChainTrusted ); 

                    ParentRequest.CertCacheAdd( recipIdentifier, cert );

                    m_issuer = new Recipient( cert, recipIdentifier, recipOrgIdentifier, true, m_card.PrivacyPolicyVersion, recipientParameters ); 

                    // 
                    // set the issuer name for the card 
                    //
                    if( m_issuer.IsOrganizationVerified() ) 
                    {
                        m_card.IssuerName = m_issuer.RecipientParameters.m_organization;
                    }
                    else 
                    {
                        m_card.IssuerName = m_issuer.RecipientParameters.m_cn; 
                    } 

                    m_policyLink = m_card.PrivacyPolicyLink; 

                    //
                    // Check if this card will be overwritten
                    // 
                    List param = new List();
                    param.Add( new QueryParameter( 
                                         SecondaryIndexDefinition.ObjectTypeIndex, 
                                         (Int32)StorableObjectType.InfoCard ) );
                    param.Add( new QueryParameter( 
                                        SecondaryIndexDefinition.GlobalIdIndex,
                                        GlobalId.DeriveFrom( m_card.Id.ToString() ) ) );

                    DataRow row = connection.GetSingleRow( QueryDetails.FullRow, param.ToArray() ); 

                    if( null != row ) 
                    { 
                        using( MemoryStream ms = new MemoryStream( row.GetDataField() ) )
                        { 
                            InfoCard existingCard = new InfoCard( ms );

                            if( existingCard.Epoch == m_card.Epoch )
                            { 
                                m_matchFlag = ImportCardMatchStatus.MatchSameVersion;
                            } 
                            else if( existingCard.Epoch < m_card.Epoch ) 
                            {
                                m_matchFlag = ImportCardMatchStatus.MatchOlderVersion; 
                            }
                            else
                            {
                                m_matchFlag = ImportCardMatchStatus.MatchNewerVersion; 
                            }
                            // 
                            // Copy the metadata to the new card 
                            //
                            m_card.CopyMetaData( existingCard ); 
                        }
                    }
                }
                else 
                {
                    throw IDT.ThrowHelperError( new ImportException( SR.GetString( SR.InvalidImportFile ) ) ); 
                } 
            }
            finally 
            {
                connection.Close();
            }
        } 

        // 
        // Summary 
        // Write the imported card to the out stream.
        // 
        protected override void OnMarshalOutArgs()
        {
            Stream stream = OutArgs;
 
            IDT.TraceDebug( "Returning the imported card to the UI" );
            if( null != m_card && null != m_issuer && m_card.IsComplete()) 
            { 
                StoreConnection connection = StoreConnection.GetConnection();
 
                try
                {
                    m_card.AgentSerialize( stream, ( ParentRequest is GetTokenRequest ), m_policy, connection, new System.Globalization.CultureInfo( ParentRequest.UserLanguage ) );
 
                    BinaryWriter writer = new BinaryWriter( stream, System.Text.Encoding.Unicode );
                    m_issuer.Serialize( writer ); 
                    Utility.SerializeString( writer, m_policyLink ); 
                    writer.Write( (byte)m_matchFlag );
                } 
                finally
                {
                    connection.Close();
                } 
            }
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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GetImportedCardRequest.cs source code in C# .NET

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