snazy commented on code in PR #2280: URL: https://github.com/apache/polaris/pull/2280#discussion_r2272725103
########## api/iceberg-aws-sign-service/src/main/java/org/apache/polaris/service/aws/sign/model/PolarisS3SignRequest.java: ########## @@ -0,0 +1,45 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.polaris.service.aws.sign.model; + +import com.fasterxml.jackson.databind.annotation.JsonDeserialize; +import com.fasterxml.jackson.databind.annotation.JsonSerialize; +import jakarta.annotation.Nullable; +import org.apache.iceberg.aws.s3.signer.S3SignRequest; +import org.apache.polaris.immutables.PolarisImmutable; +import org.immutables.value.Value; + +/** + * Request for S3 signing requests. + * + * <p>Copy of {@link S3SignRequest}, because the original does not have Jackson annotations. + */ +@PolarisImmutable +@JsonDeserialize(as = ImmutablePolarisS3SignRequest.class) +@JsonSerialize(as = ImmutablePolarisS3SignRequest.class) +public interface PolarisS3SignRequest extends S3SignRequest { + + @Value.Default + @Nullable // Replace javax.annotation.Nullable with jakarta.annotation.Nullable Review Comment: ```suggestion @Nullable // Replace javax.annotation.Nullable from 'S3SignRequest` with jakarta.annotation.Nullable ``` ########## polaris-core/src/main/java/org/apache/polaris/core/config/FeatureConfiguration.java: ########## @@ -349,4 +349,20 @@ public static void enforceFeatureEnabledOrThrow( + "it is still possible to enforce the uniqueness of table locations within a catalog.") .defaultValue(false) .buildFeatureConfiguration(); + + public static final FeatureConfiguration<Boolean> REMOTE_SIGNING_ENABLED = + PolarisConfiguration.<Boolean>builder() + .key("REMOTE_SIGNING_ENABLED") + .catalogConfig("polaris.config.remote-signing.enabled") + .description( + "If true, the remote signing endpoints are enabled either globally, or for a specific catalog.") Review Comment: Maybe add a note that the feature is experimental, elaborating why on the `CHANGELOG.md? ########## polaris-core/src/main/java/org/apache/polaris/core/storage/StorageAccessProperty.java: ########## @@ -39,6 +42,21 @@ public enum StorageAccessProperty { Boolean.class, "s3.path-style-access", "whether to use S3 path style access", false), CLIENT_REGION( String.class, "client.region", "region to configure client for making requests to AWS"), + AWS_REMOTE_SIGNING_ENABLED( + Boolean.class, + S3FileIOProperties.REMOTE_SIGNING_ENABLED, + "whether to enable remote signing for S3 requests", Review Comment: Maybe add some text saying that this depends on the "global" flag. ########## polaris-core/src/main/java/org/apache/polaris/core/rest/PolarisEndpoints.java: ########## @@ -94,4 +101,18 @@ public static Set<Endpoint> getSupportedPolicyEndpoints(CallContext callContext) callContext.getRealmConfig().getConfig(FeatureConfiguration.ENABLE_POLICY_STORE); return policyStoreEnabled ? POLICY_STORE_ENDPOINTS : ImmutableSet.of(); } + + /** + * Get the remote signing endpoints. Returns {@link #REMOTE_SIGNING_ENDPOINTS} if {@link + * FeatureConfiguration#REMOTE_SIGNING_ENABLED} is set globally to true or if the catalog enables + * remote signing; otherwise, returns an empty set. + */ + public static Set<Endpoint> getSupportedRemoteSigningEndpoints( + CallContext callContext, CatalogEntity catalogEntity) { + boolean remoteSigningEnabled = + callContext + .getRealmConfig() Review Comment: ```suggestion RealmConfig realmConfig, CatalogEntity catalogEntity) { boolean remoteSigningEnabled = realmConfig ``` ########## runtime/service/src/main/java/org/apache/polaris/service/catalog/iceberg/IcebergCatalogHandler.java: ########## @@ -774,21 +757,55 @@ public Optional<LoadTableResponse> loadTableWithAccessDelegationIfStale( throw new IllegalStateException("Cannot wrap catalog that does not produce BaseTable"); } + private CatalogEntity getCatalogEntity() { + PolarisResolvedPathWrapper catalogPath = resolutionManifest.getResolvedReferenceCatalogEntity(); + callContext + .getPolarisCallContext() + .getDiagServices() + .checkNotNull(catalogPath, "No catalog available for loadTable request"); + CatalogEntity catalogEntity = CatalogEntity.of(catalogPath.getRawLeafEntity()); + LOGGER.info("Catalog type: {}", catalogEntity.getCatalogType()); + return catalogEntity; + } + private LoadTableResponse.Builder buildLoadTableResponseWithDelegationCredentials( TableIdentifier tableIdentifier, TableMetadata tableMetadata, Set<PolarisStorageActions> actions, - String snapshots) { + Set<AccessDelegationMode> delegationModes, + CatalogEntity catalogEntity) { LoadTableResponse.Builder responseBuilder = LoadTableResponse.builder().withTableMetadata(tableMetadata); - if (baseCatalog instanceof SupportsCredentialDelegation credentialDelegation) { + if (baseCatalog instanceof SupportsCredentialDelegation credentialDelegation + && delegationModes.contains(AccessDelegationMode.VENDED_CREDENTIALS)) { LOGGER .atDebug() .addKeyValue("tableIdentifier", tableIdentifier) .addKeyValue("tableLocation", tableMetadata.location()) .log("Fetching client credentials for table"); AccessConfig accessConfig = - credentialDelegation.getAccessConfig(tableIdentifier, tableMetadata, actions); + credentialDelegation.getAccessConfigForCredentialDelegation( + tableIdentifier, tableMetadata, actions); + Map<String, String> credentialConfig = accessConfig.credentials(); + responseBuilder.addAllConfig(credentialConfig); + responseBuilder.addAllConfig(accessConfig.extraProperties()); + if (!credentialConfig.isEmpty()) { + responseBuilder.addCredential( + ImmutableCredential.builder() + .prefix(tableMetadata.location()) + .config(credentialConfig) + .build()); + } Review Comment: Looks like this part is duplicated. Any chance to remove the duplciated code? ########## runtime/service/src/main/java/org/apache/polaris/service/context/catalog/PolarisCallContextCatalogFactory.java: ########## @@ -92,7 +104,10 @@ public Catalog createCallContextCatalog( securityContext, taskExecutor, fileIOFactory, - polarisEventListener); + polarisEventListener, + storageIntegrationProvider, + prefixParser, + uriInfo); Review Comment: (Not related to this PR) The consistently increasing amount of parameters passed to these types worries me. ########## runtime/service/src/main/java/org/apache/polaris/service/catalog/iceberg/IcebergCatalog.java: ########## @@ -866,13 +888,52 @@ public AccessConfig getAccessConfig( return AccessConfig.builder().build(); } return FileIOUtil.refreshAccessConfig( - callContext, - storageCredentialCache, - getCredentialVendor(), - tableIdentifier, - getLocationsAllowedToBeAccessed(tableMetadata), - storageActions, - storageInfo.get()); + callContext, + storageCredentialCache, + getCredentialVendor(), + tableIdentifier, + getLocationsAllowedToBeAccessed(tableMetadata), + storageActions, + storageInfo.get()) + .orElse(AccessConfig.EMPTY); + } + + @Override + public AccessConfig getAccessConfigForRemoteSigning(TableIdentifier tableIdentifier) { + + Optional<PolarisStorageConfigurationInfo> configurationInfo = + findStorageInfo(tableIdentifier) + .map( + info -> + deserialize( Review Comment: Nit: move the deserialze() to a separate .map() for readability. ########## integration-tests/src/main/java/org/apache/polaris/service/it/test/PolarisS3RemoteSigningIntegrationTest.java: ########## @@ -0,0 +1,132 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.polaris.service.it.test; + +import static org.apache.polaris.core.storage.StorageAccessProperty.AWS_ENDPOINT; +import static org.apache.polaris.core.storage.StorageAccessProperty.AWS_PATH_STYLE_ACCESS; +import static org.assertj.core.api.Assertions.assertThatThrownBy; + +import com.google.common.collect.ImmutableMap; +import java.util.Map; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.TableMetadata; +import org.apache.iceberg.TableMetadataParser; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.exceptions.ForbiddenException; +import org.apache.iceberg.io.ResolvingFileIO; +import org.apache.iceberg.rest.RESTCatalog; +import org.apache.polaris.core.admin.model.Catalog; +import org.apache.polaris.core.config.FeatureConfiguration; +import org.apache.polaris.service.it.env.CatalogConfig; +import org.apache.polaris.service.it.env.RestCatalogConfig; +import org.junit.jupiter.api.Disabled; +import org.junit.jupiter.api.Test; + +/** Runs PolarisRestCatalogIntegrationBase test on S3 with remote signing enabled. */ +@CatalogConfig(properties = {"header.X-Iceberg-Access-Delegation", "remote-signing"}) +@RestCatalogConfig({ + // The default client file IO implementation is InMemoryFileIO, + // which does not support remote signing. + org.apache.iceberg.CatalogProperties.FILE_IO_IMPL, + "org.apache.iceberg.io.ResolvingFileIO", +}) +public abstract class PolarisS3RemoteSigningIntegrationTest + extends PolarisRestCatalogAwsIntegrationTest { + + @Override + protected ImmutableMap.Builder<String, String> clientFileIOProperties() { + ImmutableMap.Builder<String, String> builder = + super.clientFileIOProperties() + .put(AWS_PATH_STYLE_ACCESS.getPropertyName(), String.valueOf(pathStyleAccess())); + endpoint().ifPresent(endpoint -> builder.put(AWS_ENDPOINT.getPropertyName(), endpoint)); + return builder; + } + + /** + * Override this method to return true if the S3 client should use path-style access. Default is + * false, which means virtual-hosted-style access will be used. + */ + protected boolean pathStyleAccess() { + return false; + } + + @CatalogConfig(properties = {"polaris.config.remote-signing.enabled", "false"}) + @Test + public void testInternalCatalogRemoteSigningDisabled() { + @SuppressWarnings("resource") + RESTCatalog catalog = catalog(); + Namespace ns1 = Namespace.of("ns1"); + catalog.createNamespace(ns1); + TableIdentifier tableIdentifier = TableIdentifier.of(ns1, "my_table"); + assertThatThrownBy(() -> catalog.createTable(tableIdentifier, SCHEMA)) + .isInstanceOf(ForbiddenException.class) + .hasMessageContaining("Remote signing is not enabled for this catalog") + .hasMessageContaining(FeatureConfiguration.REMOTE_SIGNING_ENABLED.key()) + .hasMessageContaining(FeatureConfiguration.REMOTE_SIGNING_ENABLED.catalogConfig()); + } + + @CatalogConfig(Catalog.TypeEnum.EXTERNAL) + @Test + public void testExternalCatalogRemoteSigningDisabled() { + @SuppressWarnings("resource") + RESTCatalog catalog = catalog(); + Namespace ns1 = Namespace.of("ns1"); + catalog.createNamespace(ns1); + TableMetadata tableMetadata = + TableMetadata.newTableMetadata( + SCHEMA, + PartitionSpec.unpartitioned(), + externalCatalogBaseLocation() + "/ns1/my_table", + Map.of()); + try (ResolvingFileIO resolvingFileIO = initializeClientFileIO(new ResolvingFileIO())) { + String fileLocation = + externalCatalogBaseLocation() + "/ns1/my_table/metadata/v1.metadata.json"; + TableMetadataParser.write(tableMetadata, resolvingFileIO.newOutputFile(fileLocation)); + catalog.registerTable(TableIdentifier.of(ns1, "my_table"), fileLocation); + try { + assertThatThrownBy(() -> catalog.loadTable(TableIdentifier.of(ns1, "my_table"))) + .isInstanceOf(ForbiddenException.class) + .hasMessageContaining("Remote signing is not enabled for external catalogs") + .hasMessageContaining( + FeatureConfiguration.REMOTE_SIGNING_EXTERNAL_CATALOGS_ENABLED.key()); + } finally { + resolvingFileIO.deleteFile(fileLocation); + } + } + } + + @Test + @Override + @Disabled("It's not possible to request an access delegation mode when registering a table.") + public void testRegisterTable() { Review Comment: I _think_ it's worth to try out whether the register-table endpoint receives the `X-Iceberg-Access-Delegation` header. In Nessie, we accept that header in the register-table endpoint and haven't ignored this test. ########## runtime/service/src/main/java/org/apache/polaris/service/catalog/iceberg/IcebergCatalogHandler.java: ########## @@ -710,30 +697,26 @@ public Optional<LoadTableResponse> loadTableWithAccessDelegationIfStale( read, PolarisEntitySubType.ICEBERG_TABLE, tableIdentifier); } - PolarisResolvedPathWrapper catalogPath = resolutionManifest.getResolvedReferenceCatalogEntity(); - callContext - .getPolarisCallContext() - .getDiagServices() - .checkNotNull(catalogPath, "No catalog available for loadTable request"); - CatalogEntity catalogEntity = CatalogEntity.of(catalogPath.getRawLeafEntity()); - LOGGER.info("Catalog type: {}", catalogEntity.getCatalogType()); - LOGGER.info( - "allow external catalog credential vending: {}", - callContext - .getRealmConfig() - .getConfig( - FeatureConfiguration.ALLOW_EXTERNAL_CATALOG_CREDENTIAL_VENDING, catalogEntity)); - if (catalogEntity - .getCatalogType() - .equals(org.apache.polaris.core.admin.model.Catalog.TypeEnum.EXTERNAL) - && !callContext - .getRealmConfig() - .getConfig( - FeatureConfiguration.ALLOW_EXTERNAL_CATALOG_CREDENTIAL_VENDING, catalogEntity)) { - throw new ForbiddenException( - "Access Delegation is not enabled for this catalog. Please consult applicable " - + "documentation for the catalog config property '%s' to enable this feature", - FeatureConfiguration.ALLOW_EXTERNAL_CATALOG_CREDENTIAL_VENDING.catalogConfig()); + CatalogEntity catalogEntity = getCatalogEntity(); + + if (delegationModes.contains(AccessDelegationMode.VENDED_CREDENTIALS)) { + + LOGGER.info( + "allow external catalog credential vending: {}", + callContext + .getRealmConfig() + .getConfig( + FeatureConfiguration.ALLOW_EXTERNAL_CATALOG_CREDENTIAL_VENDING, catalogEntity)); Review Comment: Nit: extract this value (duplicated) to a variable. ########## polaris-core/src/main/java/org/apache/polaris/core/entity/CatalogEntity.java: ########## @@ -205,11 +206,19 @@ public Catalog.TypeEnum getCatalogType() { .orElse(null); } + public boolean isExternal() { + return Objects.equals(getCatalogType(), Catalog.TypeEnum.EXTERNAL); Review Comment: ```suggestion return getCatalogType() == Catalog.TypeEnum.EXTERNAL; ``` enum values have object-identity ;) ########## runtime/service/src/main/java/org/apache/polaris/service/storage/aws/signer/S3RemoteSigningCatalogHandler.java: ########## @@ -0,0 +1,118 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.polaris.service.storage.aws.signer; + +import jakarta.ws.rs.core.SecurityContext; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.exceptions.ForbiddenException; +import org.apache.iceberg.exceptions.NoSuchTableException; +import org.apache.polaris.core.auth.PolarisAuthorizableOperation; +import org.apache.polaris.core.auth.PolarisAuthorizer; +import org.apache.polaris.core.config.FeatureConfiguration; +import org.apache.polaris.core.config.RealmConfig; +import org.apache.polaris.core.context.CallContext; +import org.apache.polaris.core.entity.CatalogEntity; +import org.apache.polaris.core.entity.PolarisEntitySubType; +import org.apache.polaris.core.persistence.resolver.ResolutionManifestFactory; +import org.apache.polaris.service.aws.sign.model.PolarisS3SignRequest; +import org.apache.polaris.service.aws.sign.model.PolarisS3SignResponse; +import org.apache.polaris.service.catalog.common.CatalogHandler; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class S3RemoteSigningCatalogHandler extends CatalogHandler implements AutoCloseable { + + private static final Logger LOGGER = LoggerFactory.getLogger(S3RemoteSigningCatalogHandler.class); + + private final S3RequestSigner s3RequestSigner; + + private CatalogEntity catalogEntity; + + public S3RemoteSigningCatalogHandler( + CallContext callContext, + ResolutionManifestFactory resolutionManifestFactory, + SecurityContext securityContext, + String catalogName, + PolarisAuthorizer authorizer, + S3RequestSigner s3RequestSigner) { + super(callContext, resolutionManifestFactory, securityContext, catalogName, authorizer); + this.s3RequestSigner = s3RequestSigner; + } + + @Override + protected void initializeCatalog() { + catalogEntity = + CatalogEntity.of(resolutionManifest.getResolvedReferenceCatalogEntity().getRawLeafEntity()); + if (catalogEntity.isExternal()) { + throw new ForbiddenException("Cannot use S3 remote signing with federated catalogs."); + } + // no need to materialize the catalog here, as we only need the catalog entity + } + + public PolarisS3SignResponse signS3Request( + PolarisS3SignRequest s3SignRequest, TableIdentifier tableIdentifier) { + + LOGGER.debug("Requesting s3 signing for {}: {}", tableIdentifier, s3SignRequest); + + // TODO authorize based on the request's method? + + try { + authorizeBasicTableLikeOperationOrThrow( + PolarisAuthorizableOperation.SIGN_S3_REQUEST, + PolarisEntitySubType.ICEBERG_TABLE, + tableIdentifier); + } catch (NoSuchTableException e) { + // FIXME can we do better here? + authorizeCreateTableLikeUnderNamespaceOperationOrThrow( + PolarisAuthorizableOperation.SIGN_S3_REQUEST, tableIdentifier); + } + + throwIfRemoteSigningNotEnabled(callContext.getRealmConfig(), catalogEntity); Review Comment: Nit: move before the `try {` ########## runtime/service/src/main/java/org/apache/polaris/service/storage/aws/signer/S3RemoteSigningCatalogAdapter.java: ########## @@ -0,0 +1,109 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.polaris.service.storage.aws.signer; + +import com.google.common.annotations.VisibleForTesting; +import jakarta.enterprise.context.RequestScoped; +import jakarta.inject.Inject; +import jakarta.ws.rs.core.Response; +import jakarta.ws.rs.core.SecurityContext; +import java.util.function.Function; +import org.apache.iceberg.aws.s3.signer.S3SignResponse; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.rest.RESTUtil; +import org.apache.polaris.core.auth.PolarisAuthorizer; +import org.apache.polaris.core.context.CallContext; +import org.apache.polaris.core.context.RealmContext; +import org.apache.polaris.core.persistence.resolver.ResolutionManifestFactory; +import org.apache.polaris.service.aws.sign.api.IcebergRestS3SignerApiService; +import org.apache.polaris.service.aws.sign.model.PolarisS3SignRequest; +import org.apache.polaris.service.catalog.CatalogPrefixParser; +import org.apache.polaris.service.catalog.common.CatalogAdapter; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * An adapter between generated service types like `IcebergRestCatalogApiService` and + * `IcebergCatalogHandler`. + */ +@RequestScoped +public class S3RemoteSigningCatalogAdapter + implements IcebergRestS3SignerApiService, CatalogAdapter { + + private static final Logger LOGGER = LoggerFactory.getLogger(S3RemoteSigningCatalogAdapter.class); + + @Inject CallContext callContext; + @Inject ResolutionManifestFactory resolutionManifestFactory; + @Inject PolarisAuthorizer polarisAuthorizer; + @Inject CatalogPrefixParser prefixParser; + @Inject S3RequestSigner s3RequestSigner; + + /** + * Execute operations on a catalog wrapper and ensure we close the BaseCatalog afterward. This + * will typically ensure the underlying FileIO is closed. + */ + private Response withCatalog( + SecurityContext securityContext, + String prefix, + Function<S3RemoteSigningCatalogHandler, Response> action) { + String catalogName = prefixParser.prefixToCatalogName(callContext.getRealmContext(), prefix); + try (S3RemoteSigningCatalogHandler handler = newHandlerWrapper(securityContext, catalogName)) { + return action.apply(handler); + } catch (RuntimeException e) { + LOGGER.debug("RuntimeException while operating on catalog. Propagating to caller.", e); + throw e; + } catch (Exception e) { + LOGGER.error("Error while operating on catalog", e); + throw new RuntimeException(e); + } + } + + @VisibleForTesting + S3RemoteSigningCatalogHandler newHandlerWrapper( + SecurityContext securityContext, String catalogName) { + validatePrincipal(securityContext); + return new S3RemoteSigningCatalogHandler( + callContext, + resolutionManifestFactory, + securityContext, + catalogName, + polarisAuthorizer, + s3RequestSigner); + } + + @Override + public Response signS3Request( + String prefix, + String namespace, + String table, + PolarisS3SignRequest s3SignRequest, + RealmContext realmContext, + SecurityContext securityContext) { + Namespace ns = decodeNamespace(namespace); + TableIdentifier tableIdentifier = TableIdentifier.of(ns, RESTUtil.decodeString(table)); + return withCatalog( + securityContext, + prefix, + catalog -> { + S3SignResponse response = catalog.signS3Request(s3SignRequest, tableIdentifier); + return Response.status(Response.Status.OK).entity(response).build(); Review Comment: ... but that would require clients to respect those 🤷 -- This is an automated message from the Apache Git Service. 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