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[Backport 2.11] Allow customization of netty channel handles before a…
…nd during decompression (opensearch-project#10261) Backport of opensearch-project#10261 from dad525a Signed-off-by: Peter Nied <petern@amazon.com>
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75 changes: 75 additions & 0 deletions
75
...etty4/src/internalClusterTest/java/org/opensearch/http/netty4/Netty4HeaderVerifierIT.java
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/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* The OpenSearch Contributors require contributions made to | ||
* this file be licensed under the Apache-2.0 license or a | ||
* compatible open source license. | ||
*/ | ||
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package org.opensearch.http.netty4; | ||
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import org.opensearch.OpenSearchNetty4IntegTestCase; | ||
import org.opensearch.core.common.transport.TransportAddress; | ||
import org.opensearch.http.HttpServerTransport; | ||
import org.opensearch.plugins.Plugin; | ||
import org.opensearch.test.OpenSearchIntegTestCase.ClusterScope; | ||
import org.opensearch.test.OpenSearchIntegTestCase.Scope; | ||
import org.opensearch.transport.Netty4BlockingPlugin; | ||
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import java.nio.charset.StandardCharsets; | ||
import java.util.ArrayList; | ||
import java.util.Collection; | ||
import java.util.Collections; | ||
import java.util.List; | ||
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import io.netty.buffer.ByteBufUtil; | ||
import io.netty.handler.codec.http.DefaultFullHttpRequest; | ||
import io.netty.handler.codec.http.FullHttpRequest; | ||
import io.netty.handler.codec.http.FullHttpResponse; | ||
import io.netty.handler.codec.http.HttpMethod; | ||
import io.netty.handler.codec.http.HttpVersion; | ||
import io.netty.handler.codec.http2.HttpConversionUtil; | ||
import io.netty.util.ReferenceCounted; | ||
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import static org.hamcrest.CoreMatchers.containsString; | ||
import static org.hamcrest.CoreMatchers.equalTo; | ||
import static io.netty.handler.codec.http.HttpHeaderNames.HOST; | ||
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@ClusterScope(scope = Scope.TEST, supportsDedicatedMasters = false, numDataNodes = 1) | ||
public class Netty4HeaderVerifierIT extends OpenSearchNetty4IntegTestCase { | ||
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@Override | ||
protected boolean addMockHttpTransport() { | ||
return false; // enable http | ||
} | ||
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@Override | ||
protected Collection<Class<? extends Plugin>> nodePlugins() { | ||
return Collections.singletonList(Netty4BlockingPlugin.class); | ||
} | ||
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public void testThatNettyHttpServerRequestBlockedWithHeaderVerifier() throws Exception { | ||
HttpServerTransport httpServerTransport = internalCluster().getInstance(HttpServerTransport.class); | ||
TransportAddress[] boundAddresses = httpServerTransport.boundAddress().boundAddresses(); | ||
TransportAddress transportAddress = randomFrom(boundAddresses); | ||
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final FullHttpRequest blockedRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/"); | ||
blockedRequest.headers().add("blockme", "Not Allowed"); | ||
blockedRequest.headers().add(HOST, "localhost"); | ||
blockedRequest.headers().add(HttpConversionUtil.ExtensionHeaderNames.SCHEME.text(), "http"); | ||
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final List<FullHttpResponse> responses = new ArrayList<>(); | ||
try (Netty4HttpClient nettyHttpClient = Netty4HttpClient.http2()) { | ||
try { | ||
FullHttpResponse blockedResponse = nettyHttpClient.send(transportAddress.address(), blockedRequest); | ||
responses.add(blockedResponse); | ||
String blockedResponseContent = new String(ByteBufUtil.getBytes(blockedResponse.content()), StandardCharsets.UTF_8); | ||
assertThat(blockedResponseContent, containsString("Hit header_verifier")); | ||
assertThat(blockedResponse.status().code(), equalTo(401)); | ||
} finally { | ||
responses.forEach(ReferenceCounted::release); | ||
} | ||
} | ||
} | ||
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} |
127 changes: 127 additions & 0 deletions
127
...rt-netty4/src/internalClusterTest/java/org/opensearch/transport/Netty4BlockingPlugin.java
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/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* The OpenSearch Contributors require contributions made to | ||
* this file be licensed under the Apache-2.0 license or a | ||
* compatible open source license. | ||
*/ | ||
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package org.opensearch.transport; | ||
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import org.opensearch.common.network.NetworkService; | ||
import org.opensearch.common.settings.ClusterSettings; | ||
import org.opensearch.common.settings.Settings; | ||
import org.opensearch.common.util.BigArrays; | ||
import org.opensearch.common.util.PageCacheRecycler; | ||
import org.opensearch.core.indices.breaker.CircuitBreakerService; | ||
import org.opensearch.core.xcontent.NamedXContentRegistry; | ||
import org.opensearch.http.HttpServerTransport; | ||
import org.opensearch.http.netty4.Netty4HttpServerTransport; | ||
import org.opensearch.telemetry.tracing.Tracer; | ||
import org.opensearch.threadpool.ThreadPool; | ||
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import java.nio.charset.StandardCharsets; | ||
import java.util.Collections; | ||
import java.util.Map; | ||
import java.util.function.Supplier; | ||
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import io.netty.buffer.ByteBuf; | ||
import io.netty.buffer.Unpooled; | ||
import io.netty.channel.ChannelFutureListener; | ||
import io.netty.channel.ChannelHandlerContext; | ||
import io.netty.channel.ChannelInboundHandlerAdapter; | ||
import io.netty.channel.SimpleChannelInboundHandler; | ||
import io.netty.handler.codec.http.DefaultFullHttpResponse; | ||
import io.netty.handler.codec.http.DefaultHttpRequest; | ||
import io.netty.handler.codec.http.FullHttpResponse; | ||
import io.netty.handler.codec.http.HttpRequest; | ||
import io.netty.handler.codec.http.HttpResponseStatus; | ||
import io.netty.util.ReferenceCountUtil; | ||
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public class Netty4BlockingPlugin extends Netty4ModulePlugin { | ||
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public class Netty4BlockingHttpServerTransport extends Netty4HttpServerTransport { | ||
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public Netty4BlockingHttpServerTransport( | ||
Settings settings, | ||
NetworkService networkService, | ||
BigArrays bigArrays, | ||
ThreadPool threadPool, | ||
NamedXContentRegistry xContentRegistry, | ||
Dispatcher dispatcher, | ||
ClusterSettings clusterSettings, | ||
SharedGroupFactory sharedGroupFactory, | ||
Tracer tracer | ||
) { | ||
super( | ||
settings, | ||
networkService, | ||
bigArrays, | ||
threadPool, | ||
xContentRegistry, | ||
dispatcher, | ||
clusterSettings, | ||
sharedGroupFactory, | ||
tracer | ||
); | ||
} | ||
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@Override | ||
protected ChannelInboundHandlerAdapter createHeaderVerifier() { | ||
return new ExampleBlockingNetty4HeaderVerifier(); | ||
} | ||
} | ||
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@Override | ||
public Map<String, Supplier<HttpServerTransport>> getHttpTransports( | ||
Settings settings, | ||
ThreadPool threadPool, | ||
BigArrays bigArrays, | ||
PageCacheRecycler pageCacheRecycler, | ||
CircuitBreakerService circuitBreakerService, | ||
NamedXContentRegistry xContentRegistry, | ||
NetworkService networkService, | ||
HttpServerTransport.Dispatcher dispatcher, | ||
ClusterSettings clusterSettings, | ||
Tracer tracer | ||
) { | ||
return Collections.singletonMap( | ||
NETTY_HTTP_TRANSPORT_NAME, | ||
() -> new Netty4BlockingHttpServerTransport( | ||
settings, | ||
networkService, | ||
bigArrays, | ||
threadPool, | ||
xContentRegistry, | ||
dispatcher, | ||
clusterSettings, | ||
getSharedGroupFactory(settings), | ||
tracer | ||
) | ||
); | ||
} | ||
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/** POC for how an external header verifier would be implemented */ | ||
public class ExampleBlockingNetty4HeaderVerifier extends SimpleChannelInboundHandler<DefaultHttpRequest> { | ||
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@Override | ||
public void channelRead0(ChannelHandlerContext ctx, DefaultHttpRequest msg) throws Exception { | ||
ReferenceCountUtil.retain(msg); | ||
if (isBlocked(msg)) { | ||
ByteBuf buf = Unpooled.copiedBuffer("Hit header_verifier".getBytes(StandardCharsets.UTF_8)); | ||
final FullHttpResponse response = new DefaultFullHttpResponse(msg.protocolVersion(), HttpResponseStatus.UNAUTHORIZED, buf); | ||
ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE); | ||
ReferenceCountUtil.release(msg); | ||
} else { | ||
// Lets the request pass to the next channel handler | ||
ctx.fireChannelRead(msg); | ||
} | ||
} | ||
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private boolean isBlocked(HttpRequest request) { | ||
final boolean shouldBlock = request.headers().contains("blockme"); | ||
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return shouldBlock; | ||
} | ||
} | ||
} |
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