/
EnvoyServerProtoData.java
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/
EnvoyServerProtoData.java
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/*
* Copyright 2020 The gRPC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.grpc.xds;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.MoreObjects;
import io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.CommonTlsContext;
import io.grpc.Internal;
import io.grpc.xds.internal.sds.SslContextProviderSupplier;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import javax.annotation.Nullable;
/**
* Defines gRPC data types for Envoy protobuf messages used in xDS protocol on the server side,
* similar to how {@link EnvoyProtoData} defines it for the client side.
*/
@Internal
public final class EnvoyServerProtoData {
// Prevent instantiation.
private EnvoyServerProtoData() {
}
public abstract static class BaseTlsContext {
@Nullable protected final CommonTlsContext commonTlsContext;
protected BaseTlsContext(@Nullable CommonTlsContext commonTlsContext) {
this.commonTlsContext = commonTlsContext;
}
@Nullable public CommonTlsContext getCommonTlsContext() {
return commonTlsContext;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof BaseTlsContext)) {
return false;
}
BaseTlsContext that = (BaseTlsContext) o;
return Objects.equals(commonTlsContext, that.commonTlsContext);
}
@Override
public int hashCode() {
return Objects.hashCode(commonTlsContext);
}
}
public static final class UpstreamTlsContext extends BaseTlsContext {
@VisibleForTesting
public UpstreamTlsContext(CommonTlsContext commonTlsContext) {
super(commonTlsContext);
}
public static UpstreamTlsContext fromEnvoyProtoUpstreamTlsContext(
io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext
upstreamTlsContext) {
return new UpstreamTlsContext(upstreamTlsContext.getCommonTlsContext());
}
@Override
public String toString() {
return "UpstreamTlsContext{" + "commonTlsContext=" + commonTlsContext + '}';
}
}
public static final class DownstreamTlsContext extends BaseTlsContext {
private final boolean requireClientCertificate;
@VisibleForTesting
public DownstreamTlsContext(
CommonTlsContext commonTlsContext, boolean requireClientCertificate) {
super(commonTlsContext);
this.requireClientCertificate = requireClientCertificate;
}
public static DownstreamTlsContext fromEnvoyProtoDownstreamTlsContext(
io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.DownstreamTlsContext
downstreamTlsContext) {
return new DownstreamTlsContext(downstreamTlsContext.getCommonTlsContext(),
downstreamTlsContext.hasRequireClientCertificate());
}
public boolean isRequireClientCertificate() {
return requireClientCertificate;
}
@Override
public String toString() {
return "DownstreamTlsContext{"
+ "commonTlsContext="
+ commonTlsContext
+ ", requireClientCertificate="
+ requireClientCertificate
+ '}';
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
if (!super.equals(o)) {
return false;
}
DownstreamTlsContext that = (DownstreamTlsContext) o;
return requireClientCertificate == that.requireClientCertificate;
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), requireClientCertificate);
}
}
static final class CidrRange {
private final InetAddress addressPrefix;
private final int prefixLen;
CidrRange(String addressPrefix, int prefixLen) throws UnknownHostException {
this.addressPrefix = InetAddress.getByName(addressPrefix);
this.prefixLen = prefixLen;
}
public InetAddress getAddressPrefix() {
return addressPrefix;
}
public int getPrefixLen() {
return prefixLen;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
CidrRange cidrRange = (CidrRange) o;
return prefixLen == cidrRange.prefixLen
&& java.util.Objects.equals(addressPrefix, cidrRange.addressPrefix);
}
@Override
public int hashCode() {
return java.util.Objects.hash(addressPrefix, prefixLen);
}
@Override
public String toString() {
return "CidrRange{"
+ "addressPrefix='" + addressPrefix + '\''
+ ", prefixLen=" + prefixLen
+ '}';
}
}
enum ConnectionSourceType {
// Any connection source matches.
ANY,
// Match a connection originating from the same host.
SAME_IP_OR_LOOPBACK,
// Match a connection originating from a different host.
EXTERNAL
}
/**
* Corresponds to Envoy proto message
* {@link io.envoyproxy.envoy.api.v2.listener.FilterChainMatch}.
*/
static final class FilterChainMatch {
private final int destinationPort;
private final List<CidrRange> prefixRanges;
private final List<String> applicationProtocols;
private final List<CidrRange> sourcePrefixRanges;
private final ConnectionSourceType sourceType;
private final List<Integer> sourcePorts;
private final List<String> serverNames;
private final String transportProtocol;
@VisibleForTesting
FilterChainMatch(
int destinationPort,
List<CidrRange> prefixRanges,
List<String> applicationProtocols,
List<CidrRange> sourcePrefixRanges,
ConnectionSourceType sourceType,
List<Integer> sourcePorts,
List<String> serverNames,
String transportProtocol) {
this.destinationPort = destinationPort;
this.prefixRanges = Collections.unmodifiableList(prefixRanges);
this.applicationProtocols = Collections.unmodifiableList(applicationProtocols);
this.sourcePrefixRanges = sourcePrefixRanges;
this.sourceType = sourceType;
this.sourcePorts = sourcePorts;
this.serverNames = Collections.unmodifiableList(serverNames);
this.transportProtocol = transportProtocol;
}
public int getDestinationPort() {
return destinationPort;
}
public List<CidrRange> getPrefixRanges() {
return prefixRanges;
}
public List<String> getApplicationProtocols() {
return applicationProtocols;
}
public List<CidrRange> getSourcePrefixRanges() {
return sourcePrefixRanges;
}
public ConnectionSourceType getConnectionSourceType() {
return sourceType;
}
public List<Integer> getSourcePorts() {
return sourcePorts;
}
public List<String> getServerNames() {
return serverNames;
}
public String getTransportProtocol() {
return transportProtocol;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
FilterChainMatch that = (FilterChainMatch) o;
return destinationPort == that.destinationPort
&& Objects.equals(prefixRanges, that.prefixRanges)
&& Objects.equals(applicationProtocols, that.applicationProtocols)
&& Objects.equals(sourcePrefixRanges, that.sourcePrefixRanges)
&& sourceType == that.sourceType
&& Objects.equals(sourcePorts, that.sourcePorts)
&& Objects.equals(serverNames, that.serverNames)
&& Objects.equals(transportProtocol, that.transportProtocol);
}
@Override
public int hashCode() {
return Objects.hash(
destinationPort,
prefixRanges,
applicationProtocols,
sourcePrefixRanges,
sourceType,
sourcePorts,
serverNames,
transportProtocol);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("destinationPort", destinationPort)
.add("prefixRanges", prefixRanges)
.add("applicationProtocols", applicationProtocols)
.add("sourcePrefixRanges", sourcePrefixRanges)
.add("sourceType", sourceType)
.add("sourcePorts", sourcePorts)
.add("serverNames", serverNames)
.add("transportProtocol", transportProtocol)
.toString();
}
}
/**
* Corresponds to Envoy proto message {@link io.envoyproxy.envoy.api.v2.listener.FilterChain}.
*/
static final class FilterChain {
// possibly empty
private final String name;
// TODO(sanjaypujare): flatten structure by moving FilterChainMatch class members here.
private final FilterChainMatch filterChainMatch;
private final HttpConnectionManager httpConnectionManager;
@Nullable
private final SslContextProviderSupplier sslContextProviderSupplier;
FilterChain(
String name,
FilterChainMatch filterChainMatch,
HttpConnectionManager httpConnectionManager,
@Nullable DownstreamTlsContext downstreamTlsContext,
TlsContextManager tlsContextManager) {
SslContextProviderSupplier sslContextProviderSupplier1 = downstreamTlsContext == null ? null
: new SslContextProviderSupplier(downstreamTlsContext, tlsContextManager);
this.name = checkNotNull(name, "name");
// TODO(chengyuanzhang): enforce non-null, change tests to use a default/empty
// FilterChainMatch instead of null, as that's how the proto is converted.
this.filterChainMatch = filterChainMatch;
this.sslContextProviderSupplier = sslContextProviderSupplier1;
this.httpConnectionManager = checkNotNull(httpConnectionManager, "httpConnectionManager");
}
String getName() {
return name;
}
public FilterChainMatch getFilterChainMatch() {
return filterChainMatch;
}
HttpConnectionManager getHttpConnectionManager() {
return httpConnectionManager;
}
@Nullable
public SslContextProviderSupplier getSslContextProviderSupplier() {
return sslContextProviderSupplier;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
FilterChain that = (FilterChain) o;
return Objects.equals(name, that.name)
&& Objects.equals(filterChainMatch, that.filterChainMatch)
&& Objects.equals(httpConnectionManager, that.httpConnectionManager)
&& Objects.equals(sslContextProviderSupplier, that.sslContextProviderSupplier);
}
@Override
public int hashCode() {
return Objects.hash(
name, filterChainMatch, httpConnectionManager, sslContextProviderSupplier);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("name", name)
.add("filterChainMatch", filterChainMatch)
.add("httpConnectionManager", httpConnectionManager)
.add("sslContextProviderSupplier", sslContextProviderSupplier)
.toString();
}
}
/**
* Corresponds to Envoy proto message {@link io.envoyproxy.envoy.api.v2.Listener} & related
* classes.
*/
public static final class Listener {
private final String name;
@Nullable
private final String address;
private final List<FilterChain> filterChains;
@Nullable
private final FilterChain defaultFilterChain;
/** Construct a Listener. */
public Listener(String name, @Nullable String address,
List<FilterChain> filterChains, @Nullable FilterChain defaultFilterChain) {
this.name = checkNotNull(name, "name");
this.address = address;
this.filterChains = Collections.unmodifiableList(checkNotNull(filterChains, "filterChains"));
this.defaultFilterChain = defaultFilterChain;
}
public String getName() {
return name;
}
@Nullable
public String getAddress() {
return address;
}
public List<FilterChain> getFilterChains() {
return filterChains;
}
@Nullable
public FilterChain getDefaultFilterChain() {
return defaultFilterChain;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Listener listener = (Listener) o;
return Objects.equals(name, listener.name)
&& Objects.equals(address, listener.address)
&& Objects.equals(filterChains, listener.filterChains)
&& Objects.equals(defaultFilterChain, listener.defaultFilterChain);
}
@Override
public int hashCode() {
return Objects.hash(name, address, filterChains, defaultFilterChain);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("name", name)
.add("address", address)
.add("filterChains", filterChains)
.add("defaultFilterChain", defaultFilterChain)
.toString();
}
}
}