#19826

Committed 23 May 2025 10:25AM UTC coverage: 88.641% (+0.005%) from 88.636%

Build # #19826

Build Type

push

github

Committed by

web-flow

Commit Message

xds: Add GcpAuthenticationFilter to FilterRegistry (#12075) (#12097)

Run Details

34686 of 39131 relevant lines covered (88.64%)

0.89 hits per line

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93.33

/../xds/src/main/java/io/grpc/xds/FilterRegistry.java

/*
 * Copyright 2021 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 com.google.common.annotations.VisibleForTesting;
import io.grpc.internal.GrpcUtil;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Nullable;

/**
 * A registry for all supported {@link Filter}s. Filters can be queried from the registry
 * by any of the {@link Filter.Provider#typeUrls() type URLs}.
 */
final class FilterRegistry {
  private static FilterRegistry instance;

  private final Map<String, Filter.Provider> supportedFilters = new HashMap<>();

  private FilterRegistry() {}

  static boolean isEnabledGcpAuthnFilter =
      GrpcUtil.getFlag("GRPC_EXPERIMENTAL_XDS_GCP_AUTHENTICATION_FILTER", false);

  static synchronized FilterRegistry getDefaultRegistry() {
    if (instance == null) {
      instance = newRegistry().register(
              new FaultFilter.Provider(),
              new RouterFilter.Provider(),
              new RbacFilter.Provider());
      if (isEnabledGcpAuthnFilter) {
        instance.register(new GcpAuthenticationFilter.Provider());
      }
    }
    return instance;
  }

  @VisibleForTesting
  static FilterRegistry newRegistry() {
    return new FilterRegistry();
  }

  @VisibleForTesting
  FilterRegistry register(Filter.Provider... filters) {
    for (Filter.Provider filter : filters) {
      for (String typeUrl : filter.typeUrls()) {
        supportedFilters.put(typeUrl, filter);
      }
    }
    return this;
  }

  @Nullable
  Filter.Provider get(String typeUrl) {
    return supportedFilters.get(typeUrl);
  }
}

1	/*
2	* Copyright 2021 The gRPC Authors
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16
17	package io.grpc.xds;
18
19	import com.google.common.annotations.VisibleForTesting;
20	import io.grpc.internal.GrpcUtil;
21	import java.util.HashMap;
22	import java.util.Map;
23	import javax.annotation.Nullable;
24
25	/**
26	* A registry for all supported {@link Filter}s. Filters can be queried from the registry
27	* by any of the {@link Filter.Provider#typeUrls() type URLs}.
28	*/
29	final class FilterRegistry {
30	private static FilterRegistry instance;
31
32	private final Map<String, Filter.Provider> supportedFilters = new HashMap<>();	1✔
33
34	private FilterRegistry() {}	1✔
35
36	static boolean isEnabledGcpAuthnFilter =	1✔
37	GrpcUtil.getFlag("GRPC_EXPERIMENTAL_XDS_GCP_AUTHENTICATION_FILTER", false);	1✔
38
39	static synchronized FilterRegistry getDefaultRegistry() {
40	if (instance == null) {	1✔
41	instance = newRegistry().register(	1✔
42	new FaultFilter.Provider(),
43	new RouterFilter.Provider(),
44	new RbacFilter.Provider());
45	if (isEnabledGcpAuthnFilter) {	1✔
46	instance.register(new GcpAuthenticationFilter.Provider());	×
47	}
48	}
49	return instance;	1✔
50	}
51
52	@VisibleForTesting
53	static FilterRegistry newRegistry() {
54	return new FilterRegistry();	1✔
55	}
56
57	@VisibleForTesting
58	FilterRegistry register(Filter.Provider... filters) {
59	for (Filter.Provider filter : filters) {	1✔
60	for (String typeUrl : filter.typeUrls()) {	1✔
61	supportedFilters.put(typeUrl, filter);	1✔
62	}
63	}
64	return this;	1✔
65	}
66
67	@Nullable
68	Filter.Provider get(String typeUrl) {
69	return supportedFilters.get(typeUrl);	1✔
70	}
71	}

grpc / grpc-java / #19826

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