anmolanmol1234 commented on code in PR #8051: URL: https://github.com/apache/hadoop/pull/8051#discussion_r2481343344
########## hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/extensions/MockUserBoundSASTokenProvider.java: ########## @@ -0,0 +1,166 @@ +/** + * 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.hadoop.fs.azurebfs.extensions; + +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.nio.charset.StandardCharsets; +import java.time.Duration; +import java.time.Instant; +import java.util.ArrayList; +import java.util.List; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants; +import org.apache.hadoop.fs.azurebfs.constants.TestConfigurationKeys; +import org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations; +import org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidUriException; +import org.apache.hadoop.fs.azurebfs.oauth2.ClientCredsTokenProvider; +import org.apache.hadoop.fs.azurebfs.services.AbfsHttpHeader; +import org.apache.hadoop.fs.azurebfs.services.AbfsJdkHttpOperation; +import org.apache.hadoop.fs.azurebfs.utils.Base64; +import org.apache.hadoop.fs.azurebfs.utils.DelegationSASGenerator; +import org.apache.hadoop.fs.azurebfs.utils.SASGenerator; +import org.apache.hadoop.security.AccessControlException; + +import static org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations.DEFAULT_HTTP_CONNECTION_TIMEOUT; +import static org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations.DEFAULT_HTTP_READ_TIMEOUT; + +/** + * A mock user-bound SAS token provider implementation. + */ + +public class MockUserBoundSASTokenProvider implements SASTokenProvider { + + private DelegationSASGenerator generator; + + public static final String TEST_OWNER = "325f1619-4205-432f-9fce-3fd594325ce5"; + public static final String CORRELATION_ID = "66ff4ffc-ff17-417e-a2a9-45db8c5b0b5c"; + public static final String NO_AGENT_PATH = "NoAgentPath"; + + @Override + public void initialize(Configuration configuration, String accountName) throws IOException { + String appID = configuration.get(TestConfigurationKeys.FS_AZURE_TEST_APP_ID); + String appSecret = configuration.get(TestConfigurationKeys.FS_AZURE_TEST_APP_SECRET); + String sktid = configuration.get(TestConfigurationKeys.FS_AZURE_TEST_APP_SERVICE_PRINCIPAL_TENANT_ID); + String skoid = configuration.get(TestConfigurationKeys.FS_AZURE_TEST_APP_SERVICE_PRINCIPAL_OBJECT_ID); + String skt = SASGenerator.ISO_8601_FORMATTER.format(Instant.now().minus(SASGenerator.FIVE_MINUTES)); + String ske = SASGenerator.ISO_8601_FORMATTER.format(Instant.now().plus(SASGenerator.ONE_DAY)); + String skv = SASGenerator.AuthenticationVersion.July5.toString(); + + String skdutid = configuration.get(TestConfigurationKeys.FS_AZURE_END_USER_TENANT_ID); + String sduoid = configuration.get(TestConfigurationKeys.FS_AZURE_END_USER_OBJECT_ID); + + byte[] key = getUserDelegationKey(accountName, appID, appSecret, sktid, skt, ske, skv, skdutid); + + generator = new DelegationSASGenerator(key, skoid, sktid, skt, ske, skv, skdutid, sduoid); + } + + // Invokes the AAD v2.0 authentication endpoint with a client credentials grant to get an + // access token. See https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-client-creds-grant-flow. + private String getAuthorizationHeader(String accountName, String appID, String appSecret, String sktid) throws IOException { + String authEndPoint = String.format("https://login.microsoftonline.com/%s/oauth2/v2.0/token";, sktid); + ClientCredsTokenProvider provider = new ClientCredsTokenProvider(authEndPoint, appID, appSecret); + return "Bearer " + provider.getToken().getAccessToken(); + } + + private byte[] getUserDelegationKey(String accountName, String appID, String appSecret, Review Comment: javadoc -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. 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