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Move GCP proxy code to the old [] proxy's location
1. Moved code for the GCP proxy to where the [] proxy code used to live. 3. Corrected reference to the GCP proxy location. 4. Misc changes to make ErrorProne and various tools happy. +diekmann to LGTM terraform whitelist change. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=213630560
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jianglai
Ben McIlwain
parent
961e5cc7c7
commit
3fc7271145
102 changed files with 296 additions and 11 deletions
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// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.proxy.handler;
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import static com.google.common.truth.Truth.assertThat;
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import static google.registry.proxy.handler.ProxyProtocolHandler.REMOTE_ADDRESS_KEY;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.embedded.EmbeddedChannel;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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/** Unit tests for {@link ProxyProtocolHandler}. */
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@RunWith(JUnit4.class)
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public class ProxyProtocolHandlerTest {
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private static final String HEADER_TEMPLATE = "PROXY TCP%d %s %s %s %s\r\n";
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private final ProxyProtocolHandler handler = new ProxyProtocolHandler();
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private final EmbeddedChannel channel = new EmbeddedChannel(handler);
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private String header;
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@Test
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public void testSuccess_proxyHeaderPresent_singleFrame() {
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header = String.format(HEADER_TEMPLATE, 4, "172.0.0.1", "255.255.255.255", "234", "123");
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String message = "some message";
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// Header processed, rest of the message passed along.
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer((header + message).getBytes(UTF_8))))
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.isTrue();
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assertThat(((ByteBuf) channel.readInbound()).toString(UTF_8)).isEqualTo(message);
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assertThat(channel.attr(REMOTE_ADDRESS_KEY).get()).isEqualTo("172.0.0.1");
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assertThat(channel.pipeline().get(ProxyProtocolHandler.class)).isNull();
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assertThat(channel.isActive()).isTrue();
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}
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@Test
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public void testSuccess_proxyHeaderUnknownSource_singleFrame() {
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header = "PROXY UNKNOWN\r\n";
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String message = "some message";
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// Header processed, rest of the message passed along.
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer((header + message).getBytes(UTF_8))))
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.isTrue();
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assertThat(((ByteBuf) channel.readInbound()).toString(UTF_8)).isEqualTo(message);
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assertThat(channel.attr(REMOTE_ADDRESS_KEY).get()).isNull();
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assertThat(channel.pipeline().get(ProxyProtocolHandler.class)).isNull();
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assertThat(channel.isActive()).isTrue();
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}
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@Test
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public void testSuccess_proxyHeaderPresent_multipleFrames() {
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header = String.format(HEADER_TEMPLATE, 4, "172.0.0.1", "255.255.255.255", "234", "123");
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String frame1 = header.substring(0, 4);
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String frame2 = header.substring(4, 7);
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String frame3 = header.substring(7, 15);
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String frame4 = header.substring(15, header.length() - 1);
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String frame5 = header.substring(header.length() - 1) + "some message";
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// Have not had enough bytes to determine the presence of a header, no message passed along.
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame1.getBytes(UTF_8)))).isFalse();
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// Have not had enough bytes to determine the end a header, no message passed along.
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame2.getBytes(UTF_8)))).isFalse();
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame3.getBytes(UTF_8)))).isFalse();
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame4.getBytes(UTF_8)))).isFalse();
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// Now there are enough bytes to construct a header.
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame5.getBytes(UTF_8)))).isTrue();
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assertThat(((ByteBuf) channel.readInbound()).toString(UTF_8)).isEqualTo("some message");
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assertThat(channel.attr(REMOTE_ADDRESS_KEY).get()).isEqualTo("172.0.0.1");
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assertThat(channel.pipeline().get(ProxyProtocolHandler.class)).isNull();
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assertThat(channel.isActive()).isTrue();
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}
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@Test
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public void testSuccess_proxyHeaderPresent_singleFrame_ipv6() {
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header =
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String.format(HEADER_TEMPLATE, 6, "2001:db8:0:1:1:1:1:1", "0:0:0:0:0:0:0:1", "234", "123");
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String message = "some message";
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// Header processed, rest of the message passed along.
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer((header + message).getBytes(UTF_8))))
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.isTrue();
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assertThat(((ByteBuf) channel.readInbound()).toString(UTF_8)).isEqualTo(message);
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assertThat(channel.attr(REMOTE_ADDRESS_KEY).get()).isEqualTo("2001:db8:0:1:1:1:1:1");
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assertThat(channel.pipeline().get(ProxyProtocolHandler.class)).isNull();
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assertThat(channel.isActive()).isTrue();
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}
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@Test
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public void testSuccess_proxyHeaderNotPresent_singleFrame() {
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String message = "some message";
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// No header present, rest of the message passed along.
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(message.getBytes(UTF_8)))).isTrue();
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assertThat(((ByteBuf) channel.readInbound()).toString(UTF_8)).isEqualTo(message);
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assertThat(channel.attr(REMOTE_ADDRESS_KEY).get()).isNull();
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assertThat(channel.pipeline().get(ProxyProtocolHandler.class)).isNull();
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assertThat(channel.isActive()).isTrue();
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}
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@Test
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public void testSuccess_proxyHeaderNotPresent_multipleFrames() {
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String frame1 = "som";
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String frame2 = "e mess";
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String frame3 = "age\nis not";
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String frame4 = "meant to be good.\n";
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// Have not had enough bytes to determine the presence of a header, no message passed along.
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame1.getBytes(UTF_8)))).isFalse();
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// Now we have more than five bytes to determine if it starts with "PROXY"
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame2.getBytes(UTF_8)))).isTrue();
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assertThat(((ByteBuf) channel.readInbound()).toString(UTF_8)).isEqualTo(frame1 + frame2);
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame3.getBytes(UTF_8)))).isTrue();
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assertThat(((ByteBuf) channel.readInbound()).toString(UTF_8)).isEqualTo(frame3);
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assertThat(channel.writeInbound(Unpooled.wrappedBuffer(frame4.getBytes(UTF_8)))).isTrue();
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assertThat(((ByteBuf) channel.readInbound()).toString(UTF_8)).isEqualTo(frame4);
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assertThat(channel.attr(REMOTE_ADDRESS_KEY).get()).isNull();
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assertThat(channel.pipeline().get(ProxyProtocolHandler.class)).isNull();
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assertThat(channel.isActive()).isTrue();
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}
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}
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