Examples with PassportState com.netflix.zuul.passport.PassportState used on opensource projects

Example 1 with PassportState

use of com.netflix.zuul.passport.PassportState in project zuul by Netflix.

the class SslHandshakeInfoHandler method userEventTriggered.

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof SslHandshakeCompletionEvent) {
        try {
            SslHandshakeCompletionEvent sslEvent = (SslHandshakeCompletionEvent) evt;
            if (sslEvent.isSuccess()) {
                CurrentPassport.fromChannel(ctx.channel()).add(PassportState.SERVER_CH_SSL_HANDSHAKE_COMPLETE);
                SslHandler sslhandler = ctx.channel().pipeline().get(SslHandler.class);
                SSLSession session = sslhandler.engine().getSession();
                ClientAuth clientAuth = whichClientAuthEnum(sslhandler);
                Certificate serverCert = null;
                X509Certificate peerCert = null;
                if ((clientAuth == ClientAuth.REQUIRE || clientAuth == ClientAuth.OPTIONAL) && session.getPeerCertificates() != null && session.getPeerCertificates().length > 0) {
                    peerCert = (X509Certificate) session.getPeerCertificates()[0];
                }
                if (session.getLocalCertificates() != null && session.getLocalCertificates().length > 0) {
                    serverCert = session.getLocalCertificates()[0];
                }
                SslHandshakeInfo info = new SslHandshakeInfo(isSSlFromIntermediary, session.getProtocol(), session.getCipherSuite(), clientAuth, serverCert, peerCert);
                ctx.channel().attr(ATTR_SSL_INFO).set(info);
                // Metrics.
                incrementCounters(sslEvent, info);
                logger.debug("Successful SSL Handshake: {}", info);
            } else {
                String clientIP = ctx.channel().attr(SourceAddressChannelHandler.ATTR_SOURCE_ADDRESS).get();
                Throwable cause = sslEvent.cause();
                PassportState passportState = CurrentPassport.fromChannel(ctx.channel()).getState();
                if (cause instanceof ClosedChannelException && (PassportState.SERVER_CH_INACTIVE.equals(passportState) || PassportState.SERVER_CH_IDLE_TIMEOUT.equals(passportState))) {
                    // Either client closed the connection without/before having completed a handshake, or
                    // the connection idle timed-out before handshake.
                    // NOTE: we were seeing a lot of these in prod and can repro by just telnetting to port and then closing terminal
                    // without sending anything.
                    // So don't treat these as SSL handshake failures.
                    logger.debug("Client closed connection or it idle timed-out without doing an ssl handshake. " + ", client_ip = " + clientIP + ", channel_info = " + ChannelUtils.channelInfoForLogging(ctx.channel()));
                } else if (cause instanceof SSLException && cause.getMessage().contains("handshake timed out")) {
                    logger.debug("Client timed-out doing the ssl handshake. " + ", client_ip = " + clientIP + ", channel_info = " + ChannelUtils.channelInfoForLogging(ctx.channel()));
                } else if (cause instanceof SSLException && cause.getMessage().contains("failure when writing TLS control frames")) {
                    // This can happen if the ClientHello is sent followed  by a RST packet, before we can respond.
                    logger.debug("Client terminated handshake early." + ", client_ip = " + clientIP + ", channel_info = " + ChannelUtils.channelInfoForLogging(ctx.channel()));
                } else {
                    String msg = "Unsuccessful SSL Handshake: " + sslEvent + ", client_ip = " + clientIP + ", channel_info = " + ChannelUtils.channelInfoForLogging(ctx.channel()) + ", error = " + cause;
                    if (cause instanceof ClosedChannelException) {
                        logger.debug(msg);
                    } else {
                        logger.debug(msg, cause);
                    }
                    incrementCounters(sslEvent, null);
                }
            }
        } catch (Throwable e) {
            logger.warn("Error getting the SSL handshake info.", e);
        } finally {
            // Now remove this handler from the pipeline as no longer needed once the ssl handshake has completed.
            ctx.pipeline().remove(this);
        }
    } else if (evt instanceof SslCloseCompletionEvent) {
    // TODO - increment a separate metric for this event?
    } else if (evt instanceof SniCompletionEvent) {
        logger.debug("SNI Parsing Complete: {}", evt);
        SniCompletionEvent sniCompletionEvent = (SniCompletionEvent) evt;
        if (sniCompletionEvent.isSuccess()) {
            spectatorRegistry.counter("zuul.sni.parse.success").increment();
        } else {
            Throwable cause = sniCompletionEvent.cause();
            spectatorRegistry.counter("zuul.sni.parse.failure", "cause", cause != null ? cause.getMessage() : "UNKNOWN").increment();
        }
    }
    super.userEventTriggered(ctx, evt);
}