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Fix WHOIS issues

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[1] Web whois should redirect to www.registry.google. whois.registry.google also points to the proxy IP, so redirecting to whois.registry.google just makes it loop. Also allow HEAD in web whois request in case that is used in monitoring.

[2] Separately, there's a bug introduced in [] where exception handling of inbound messages is moved to HttpsRelayServiceHandler. However the quota handlers are installed behind the HttpServiceServiceHandler in the channel pipeline, therefore the exception thrown in quota handlers never got processed. This results in hung connection when quota exceeded.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=208651011
This commit is contained in:
jianglai
2018-08-14 08:31:50 -07:00
parent 0e64015cdf
commit 2e2898e17c
4 changed files with 20 additions and 8 deletions
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12
java/google/registry/proxy/handler/RelayHandler.java
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@@ -17,6 +17,7 @@ package google.registry.proxy.handler;
import static google.registry.proxy.Protocol.PROTOCOL_KEY;
import com.google.common.flogger.FluentLogger;
import google.registry.proxy.handler.QuotaHandler.OverQuotaException;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandlerContext;
@@ -70,6 +71,17 @@ public class RelayHandler<I> extends SimpleChannelInboundHandler<I> {
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
if (cause instanceof OverQuotaException) {
logger.atWarning().withCause(cause).log(
"Channel %s closed due to quota exceeded", ctx.channel());
ChannelFuture unusedFuture = ctx.close();
} else {
ctx.fireExceptionCaught(cause);
}
}
public static void writeToRelayChannel(
Channel channel, Channel relayChannel, Object msg, boolean retry) {
ChannelFuture unusedFuture =