forked from bazelbuild/bazel
-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Wire up credential helper to command-line flag(s) (bazelbuild#15976)
RELNOTES: Add support for fetching RPC credentials from credential helper. Progress on bazelbuild#15856 Closes bazelbuild#15947. PiperOrigin-RevId: 463083408 Change-Id: I286aa82fbb3c2376e4dba82cbb01e541c40e405e Co-authored-by: Yannic Bonenberger <yannic@engflow.com>
- Loading branch information
Showing
10 changed files
with
258 additions
and
30 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
141 changes: 141 additions & 0 deletions
141
...om/google/devtools/build/lib/authandtls/credentialhelper/CredentialHelperCredentials.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| // Copyright 2022 The Bazel Authors. All rights reserved. | ||
| // | ||
| // 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 com.google.devtools.build.lib.authandtls.credentialhelper; | ||
|
|
||
| import com.github.benmanes.caffeine.cache.CacheLoader; | ||
| import com.github.benmanes.caffeine.cache.Caffeine; | ||
| import com.github.benmanes.caffeine.cache.LoadingCache; | ||
| import com.google.auth.Credentials; | ||
| import com.google.common.base.Preconditions; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import java.io.IOException; | ||
| import java.net.URI; | ||
| import java.time.Duration; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import javax.annotation.Nullable; | ||
|
|
||
| /** | ||
| * Implementation of {@link Credentials} which fetches credentials by invoking a {@code credential | ||
| * helper} as subprocess, falling back to another {@link Credentials} if no suitable helper exists. | ||
| */ | ||
| public class CredentialHelperCredentials extends Credentials { | ||
| private final Optional<Credentials> fallbackCredentials; | ||
|
|
||
| private final LoadingCache<URI, GetCredentialsResponse> credentialCache; | ||
|
|
||
| public CredentialHelperCredentials( | ||
| CredentialHelperProvider credentialHelperProvider, | ||
| CredentialHelperEnvironment credentialHelperEnvironment, | ||
| Optional<Credentials> fallbackCredentials, | ||
| Duration cacheTimeout) { | ||
| Preconditions.checkNotNull(credentialHelperProvider); | ||
| Preconditions.checkNotNull(credentialHelperEnvironment); | ||
| this.fallbackCredentials = Preconditions.checkNotNull(fallbackCredentials); | ||
| Preconditions.checkNotNull(cacheTimeout); | ||
| Preconditions.checkArgument( | ||
| !cacheTimeout.isNegative() && !cacheTimeout.isZero(), | ||
| "Cache timeout must be greater than 0"); | ||
|
|
||
| credentialCache = | ||
| Caffeine.newBuilder() | ||
| .expireAfterWrite(cacheTimeout) | ||
| .build( | ||
| new CredentialHelperCacheLoader( | ||
| credentialHelperProvider, credentialHelperEnvironment)); | ||
| } | ||
|
|
||
| @Override | ||
| public String getAuthenticationType() { | ||
| if (fallbackCredentials.isPresent()) { | ||
| return "credential-helper-with-fallback-" + fallbackCredentials.get().getAuthenticationType(); | ||
| } | ||
|
|
||
| return "credential-helper"; | ||
| } | ||
|
|
||
| @Override | ||
| public Map<String, List<String>> getRequestMetadata(URI uri) throws IOException { | ||
| Preconditions.checkNotNull(uri); | ||
|
|
||
| Optional<Map<String, List<String>>> credentials = getRequestMetadataFromCredentialHelper(uri); | ||
| if (credentials.isPresent()) { | ||
| return credentials.get(); | ||
| } | ||
|
|
||
| if (fallbackCredentials.isPresent()) { | ||
| return fallbackCredentials.get().getRequestMetadata(uri); | ||
| } | ||
|
|
||
| return ImmutableMap.of(); | ||
| } | ||
|
|
||
| @SuppressWarnings("unchecked") // Map<String, ImmutableList<String>> to Map<String<List<String>> | ||
| private Optional<Map<String, List<String>>> getRequestMetadataFromCredentialHelper(URI uri) { | ||
| Preconditions.checkNotNull(uri); | ||
|
|
||
| GetCredentialsResponse response = credentialCache.get(uri); | ||
|
|
||
| return Optional.ofNullable(response).map(value -> (Map) value.getHeaders()); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean hasRequestMetadata() { | ||
| return true; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean hasRequestMetadataOnly() { | ||
| return false; | ||
| } | ||
|
|
||
| @Override | ||
| public void refresh() throws IOException { | ||
| if (fallbackCredentials.isPresent()) { | ||
| fallbackCredentials.get().refresh(); | ||
| } | ||
|
|
||
| credentialCache.invalidateAll(); | ||
| } | ||
|
|
||
| private static final class CredentialHelperCacheLoader | ||
| implements CacheLoader<URI, GetCredentialsResponse> { | ||
| private final CredentialHelperProvider credentialHelperProvider; | ||
| private final CredentialHelperEnvironment credentialHelperEnvironment; | ||
|
|
||
| public CredentialHelperCacheLoader( | ||
| CredentialHelperProvider credentialHelperProvider, | ||
| CredentialHelperEnvironment credentialHelperEnvironment) { | ||
| this.credentialHelperProvider = Preconditions.checkNotNull(credentialHelperProvider); | ||
| this.credentialHelperEnvironment = Preconditions.checkNotNull(credentialHelperEnvironment); | ||
| } | ||
|
|
||
| @Nullable | ||
| @Override | ||
| public GetCredentialsResponse load(URI uri) throws IOException, InterruptedException { | ||
| Preconditions.checkNotNull(uri); | ||
|
|
||
| Optional<CredentialHelper> maybeCredentialHelper = | ||
| credentialHelperProvider.findCredentialHelper(uri); | ||
| if (maybeCredentialHelper.isEmpty()) { | ||
| return null; | ||
| } | ||
| CredentialHelper credentialHelper = maybeCredentialHelper.get(); | ||
|
|
||
| return credentialHelper.getCredentials(credentialHelperEnvironment, uri); | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.