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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 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 putMethod = cache.getClass().getDeclaredMethod("put", Object.class, Object.class); | |
putMethod.setAccessible(true); | |
final Method getHostMethod = socket.getClass().getDeclaredMethod("getHost"); | |
getHostMethod.setAccessible(true); | |
Object host = getHostMethod.invoke(socket); | |
final String key = String.format("%s:%s", host, String.valueOf(socket.getPort())).toLowerCase(Locale.ROOT); | |
putMethod.invoke(cache, key, session); | |
} catch(Exception e) { | |
throw Throwables.propagate(e); | |
} | |
} | |
} | |
} |
I implemented the mentioned solution and still getting same error. My java version is 1.8.0_221. This part of code is executed (I saw debugging) and I also added System.setProperty("jdk.tls.useExtendedMasterSecret", "false");
javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:994)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1367)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1395)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1379)
at org.apache.commons.net.ftp.FTPSClient.openDataConnection(FTPSClient.java:646)
at org.apache.commons.net.ftp.FTPClient._retrieveFile(FTPClient.java:1899)
at org.apache.commons.net.ftp.FTPClient.retrieveFile(FTPClient.java:1885)
at com.motoresocasion.core.utils.ftp.FtpClient.downloadFile(FtpClient.java:72)
Caused by: java.io.EOFException: SSL peer shut down incorrectly
at sun.security.ssl.InputRecord.read(InputRecord.java:505)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:975)
... 26 common frames omitted
Respect :)