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import java.io.IOException; | |
import java.lang.reflect.Field; | |
import java.lang.reflect.Method; | |
import java.net.Socket; | |
import java.util.Locale; | |
import javax.net.ssl.SSLSession; | |
import javax.net.ssl.SSLSessionContext; | |
import javax.net.ssl.SSLSocket; | |
import org.apache.commons.net.ftp.FTPSClient; | |
import com.google.common.base.Throwables; | |
public class v1_SSLSessionReuseFTPSClient extends FTPSClient { | |
// adapted from: https://trac.cyberduck.io/changeset/10760 | |
@Override | |
protected void _prepareDataSocket_(final Socket socket) throws IOException { | |
if(socket instanceof SSLSocket) { | |
final SSLSession session = ((SSLSocket) _socket_).getSession(); | |
final SSLSessionContext context = session.getSessionContext(); | |
try { | |
final Field sessionHostPortCache = context.getClass().getDeclaredField("sessionHostPortCache"); | |
sessionHostPortCache.setAccessible(true); | |
final Object cache = sessionHostPortCache.get(context); | |
final Method method = cache.getClass().getDeclaredMethod("put", Object.class, Object.class); | |
method.setAccessible(true); | |
final String key = String.format("%s:%s", socket.getInetAddress().getHostName(), | |
String.valueOf(socket.getPort())).toLowerCase(Locale.ROOT); | |
method.invoke(cache, key, session); | |
} catch(Exception e) { | |
throw Throwables.propagate(e); | |
} | |
} | |
} | |
} |
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