public Boolean Download(String user, ref SecuruStik.Protocal.PublicKey pk)
{
Byte[] pkBytes = null;
Boolean ret = Download(user, ref pkBytes);
if (pkBytes != null)
{
try
{
String pkStr = Encoding.ASCII.GetString(pkBytes);
if (this.IsOldVersion(pkStr))
{
//throw new Exception( "Old version" );
//Old version
MemoryStream ms = new MemoryStream(pkBytes);
BinaryFormatter bfer = new BinaryFormatter();
pk = (SecuruStik.Protocal.PublicKey)bfer.Deserialize(ms);
//Update
this.Update(user, pk);
return(true);
}
else
{
String[] param = pkStr.Split('\n');
pk = new PublicKey(user, param[0], param[1]);
return(true);
}
} catch (System.Exception) {}
}
return(false);
}
public ShareTaskUnit( String id_to , String filePath , String key )
{
this.ID_TO = id_to;
this.FilePath = filePath;
this.Key = key;
this.PK = null;
this.CpyRef = String.Empty;
}
private void DealReceivePK(RequestContent ResponseContent)
{
SecuruStik.Protocal.PublicKey receivepk = ResponseContent as SecuruStik.Protocal.PublicKey;
if (receivepk != null)
{
PublicKeyUnit pku = PKList[receivepk.ID];
if (pku == null)
{
this.PKList.Add(new PublicKeyUnit(receivepk.ID, receivepk));
}
else
{
PublicKey pk = pku.PK;
if (pk == null || pk.PK1 != receivepk.PK1 || pk.PK2 != receivepk.PK2)
{
pku.PK = receivepk;
}
}
SecuruStikMessageQueue.SendMessage_ReceivePK(pku.ID, pku.PK.PK1, pku.PK.PK2);
}
return;
}
public Boolean Download( String user , ref SecuruStik.Protocal.PublicKey pk )
{
Byte[] pkBytes = null;
Boolean ret = Download( user , ref pkBytes );
if ( pkBytes != null )
{
try
{
String pkStr = Encoding.ASCII.GetString( pkBytes );
if ( this.IsOldVersion( pkStr ) )
{
//throw new Exception( "Old version" );
//Old version
MemoryStream ms = new MemoryStream( pkBytes );
BinaryFormatter bfer = new BinaryFormatter();
pk = (SecuruStik.Protocal.PublicKey)bfer.Deserialize( ms );
//Update
this.Update( user , pk );
return true;
}
else
{
String[] param = pkStr.Split( '\n' );
pk = new PublicKey( user , param[ 0 ] , param[ 1 ] );
return true;
}
} catch ( System.Exception ){}
}
return false;
}
public Boolean Update( String user , PublicKey newPK )
{
try
{
MemoryStream ms = new MemoryStream();
String pkStr = String.Format( "{0}\n{1}" ,newPK.PK1,newPK.PK2);
Byte[] pkByte = Encoding.ASCII.GetBytes( pkStr );
return Update( user , pkByte );
}
catch ( System.Exception ex )
{
Console.WriteLine( ex.Message );
return false;
}
}
public void ReceivePKInfo( PublicKey pubkey )
{
for ( int i = this.ShareTaskSuspendList.Count - 1 ; i >= 0 ; i-- )
{
ShareTaskUnit shareTaskWorker = this.ShareTaskSuspendList[ i ];
if(shareTaskWorker.ID_TO == pubkey.ID)
{
shareTaskWorker.PK = pubkey;
this.ShareTaskSuspendList.Remove( shareTaskWorker );
this.ShareTaskWaitingList.Add( shareTaskWorker );
}
}
if ( !this.ShareWorker.IsBusy )
{
this.ShareWorker.RunWorkerAsync();
}
}
public Boolean Request_SetPK(SecuruStik.Protocal.PublicKey pk)
{
SecuruStik.Protocal.Request r = new SecuruStik.Protocal.Request(MessageType.Request_SetPK, this.UserEmail, pk);
return(this.Send(r));
}
private void Init_UserKey()
{
log.Info("Initializing User Key");
UserKey userKey = PreKeyring.UserKey;
if ( userKey == null )
{
this.ReGenUserKey();
this.PublishPK();
}
else
{
this.PK = new Protocal.PublicKey(
id: this.dropBoxController.Email ,
pk1: userKey.PK1 ,
pk2: userKey.PK2 );
if ( !userKey.IsPublicized )
this.PublishPK();
}
}
public void ReGenUserKey()
{
//Create a new user key
PRE_KEY key = ProxyReEncryption.GenRandomKey();
this.PK = new Protocal.PublicKey(
id: this.dropBoxController.Email ,
pk1: key.PK.PK1 ,
pk2: key.PK.PK2 );
PreKeyring.UserKey = new SecuruStik.DB.UserKey
{
PK1 = key.PK.PK1 ,
PK2 = key.PK.PK2 ,
SK1 = key.SK.X1 ,
SK2 = key.SK.X2 ,
IsPublicized = false
};
}
private Boolean Request_GetPK( User client , Request request )
{
AddLog( string.Format( "【{0}】 request 【{1}】's public key." , client.userName , request.UserID ) );
PublicKey pk = null;
SecuruStik.Protocal.Response response = null;
this.DropBoxServerControler.PublicKey.Download( request.UserID , ref pk );
if ( pk == null )
{
pk = new PublicKey( request.UserID , null , null );
response = new Response( MessageType.Response_GetPK , false , pk );
AddLog( string.Format( "Failed to get 【{0}】's public key." , request.UserID ) );
}
else
{
response = new Response( MessageType.Response_GetPK , true , pk );
AddLogs( new String[]
{
String.Format( "Return【{1}】's public key to【{0}】." , client.userName , request.UserID ) ,
String.Format( "PK1 : {0}" , pk.PK1 ) ,
String.Format( "PK2 : {0}" , pk.PK2 )
}
);
}
this.Send( client , response );
return true;
}
