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package org.openslx.satellitedaemon.ftp;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.security.InvalidKeyException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.SignatureException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import org.apache.log4j.Logger;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;
import org.openslx.imagemaster.thrift.iface.DownloadInfos;
import org.openslx.imagemaster.thrift.iface.ImageData;
import org.openslx.imagemaster.thrift.iface.ImageServer;
import org.openslx.imagemaster.thrift.iface.ServerAuthenticationException;
import org.openslx.imagemaster.thrift.iface.ServerSessionData;
import org.openslx.imagemaster.thrift.iface.UploadInfos;
import org.openslx.satellitedaemon.Globals;
import org.openslx.satellitedaemon.Globals.PropInt;
import org.openslx.satellitedaemon.Globals.PropString;
import org.openslx.satellitedaemon.db.DbImage;
import org.openslx.satellitedaemon.util.EncryptWithServerIdPublicKey;
// TODO: Handle all the auto-generated catch blocks in a meaningful way
/**
* Handles the authentication with the Satellite Server and sends the FtpCredentials, which
* are necessary for the upload of the image.
*/
public class ThriftConnection
{
private static ImageServer.Client client = null;
private static ServerSessionData sSD = null;
private static Logger log = Logger.getLogger( ThriftConnection.class );
/**
* The method calls getConnection() to check if the connection is ok
* and to get the ServerSessionData. If connection is ok, it returns ftpCredential.
*
* @return returns 'null' if there is a problem.
*/
public static UploadInfos getUploadInfos( ImageData imDat )
{
ImageServer.Client theClient = null;
try {
theClient = getConnection();
if ( theClient == null ) {
log.error( "Client was null!" );
return null;
}
return theClient.submitImage( sSD.sessionId, imDat );
} catch ( TException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( UnrecoverableKeyException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( InvalidKeyException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( NoSuchAlgorithmException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( CertificateException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( FileNotFoundException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( KeyStoreException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( SignatureException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( IOException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
/**
* The method calls getConnection() to check if the connection is ok
* and to get the DownloadeInfos. If connection is ok, it returns ftpCredential.
*
* @return returns 'null' if there is a problem.
*/
public static DownloadInfos getDownloadInfos( DbImage imDat )
{
ImageServer.Client theClient = null;
try {
theClient = getConnection();
if ( theClient == null ) {
log.error( "Client was null!" );
return null;
}
return theClient.getImage( imDat.guid, sSD.sessionId );
} catch ( TException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( UnrecoverableKeyException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( InvalidKeyException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( NoSuchAlgorithmException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( CertificateException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( FileNotFoundException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( KeyStoreException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( SignatureException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch ( IOException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
/**
* This method checks if there is already a working connection. If not,
* newClient() establishes one. Also it does the Authentication if not done
* yet.
*
* @return returns the client if successful.
*/
private static ImageServer.Client getConnection()
throws UnrecoverableKeyException, NoSuchAlgorithmException, CertificateException,
FileNotFoundException, KeyStoreException, IOException, InvalidKeyException, SignatureException
{
ImageServer.Client theClient = null;
boolean isAuthenticated = false;
if ( client == null ) {
log.info( "The global client was null. Making a new client ..." );
theClient = newClient();
if ( theClient == null ) {
log.debug( "ThriftConnection: The client was null after newClient()" );
return null;
}
} else {
log.info( "The global Client was already used. Setting isAuthenticated = true." );
theClient = client;
isAuthenticated = true;
}
// try {
// isAuthenticated = theClient.ping();
// } catch ( TException x ) {
// theClient = newClient();
// if ( theClient == null ) {
// return null;
// }
// }
if ( !isAuthenticated ) {
log.info( "ThriftConnection: Client not yet Authenticated. Trying..." );
String toEncrypt;
if ( theClient == null ) {
log.debug( "The client was null" );
return null;
}
try {
toEncrypt = theClient.startServerAuthentication( Globals.getPropertyString( PropString.THRIFTORGANIZATIONNAME) );
log.info( "The random String we want to encrypt: " + toEncrypt );
EncryptWithServerIdPublicKey rse = new EncryptWithServerIdPublicKey( Globals.getPropertyString( PropString.RNDSTRINGENCRYPTALIAS ),
Globals.getPropertyString( PropString.RNDSTRINGENCRYPTPASSWORD ),
Globals.getPropertyString( PropString.RNDSTRINGENCRYPTPATH ) );
byte[] byteArray = rse.encryptString( toEncrypt );
sSD = theClient.serverAuthenticate(
Globals.getPropertyString( PropString.THRIFTORGANIZATIONNAME), ByteBuffer.wrap( byteArray ) );
} catch ( ServerAuthenticationException e ) {
log.error( "ThriftConnection: ServerAuthenticationException: Server Authetication was not sucessful." );
e.printStackTrace();
return null;
} catch ( TException e ) {
log.error( "ThriftConnection: TException: Server Authetication was not sucessful." );
e.printStackTrace();
return null;
}
log.info( "is Authenticated." );
}
client = theClient;
return theClient;
}
private static ImageServer.Client newClient()
{
ImageServer.Client newClient = null;
try {
TTransport transport;
transport = new TSocket( Globals.getPropertyString( PropString.FTPSERVERIP ), Globals.getPropertyInt( PropInt.THRIFTPORT ) );
transport.open();
TProtocol protocol = new TBinaryProtocol( transport );
newClient = new ImageServer.Client( protocol );
log.debug( "ThriftConnection: Made a new Client" );
} catch ( TException x ) {
log.error( "ThriftConnection coudn't create new client." );
x.printStackTrace();
return null;
}
return newClient;
}
}
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