sajjad-moradi commented on a change in pull request #6613:
URL: https://github.com/apache/incubator-pinot/pull/6613#discussion_r595654824



##########
File path: 
pinot-controller/src/main/java/org/apache/pinot/controller/api/access/AccessControl.java
##########
@@ -64,4 +67,36 @@ default boolean hasAccess(String tableName, AccessType 
accessType, HttpHeaders h
   default boolean hasAccess(AccessType accessType, HttpHeaders httpHeaders, 
String endpointUrl) {
     return true;
   }
+
+  /**
+   * Return workflow info for authenticating users. Not all workflows may be 
supported by the pinot UI implementation.
+   *
+   * @return workflow info for user authentication
+   */
+  default AuthWorkflowInfo getAuthWorkflowInfo() {
+    return new AuthWorkflowInfo(WORKFLOW_NONE);
+  }
+
+  /**
+   * Container for authentication workflow info for the Pinot UI. May be 
extended by implementations.
+   *
+   * Auth workflow info hold any configuration necessary to execute a UI 
workflow. We currently foresee supporting NONE
+   * (auth disabled), BASIC (basic auth with username and password), and 
OAUTH2 (token-based workflow via external
+   * issuer)
+   */
+  class AuthWorkflowInfo {

Review comment:
       At LinkedIn, we're using both token-based & certificate-based 
authentication. We don't have a UI for the endpoints and I'm not sure what kind 
of information is needed to be returned to UI other than the type of 
authentication. What do you have in mind?

##########
File path: 
pinot-integration-tests/src/test/java/org/apache/pinot/integration/tests/BasicAuthBatchIntegrationTest.java
##########
@@ -0,0 +1,177 @@
+/**
+ * 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.pinot.integration.tests;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.google.common.base.Preconditions;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.util.Collections;
+import java.util.Map;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.IOUtils;
+import 
org.apache.pinot.controller.helix.core.minion.generator.PinotTaskGenerator;
+import org.apache.pinot.minion.executor.PinotTaskExecutor;
+import org.apache.pinot.spi.env.PinotConfiguration;
+import org.apache.pinot.spi.utils.JsonUtils;
+import org.apache.pinot.tools.BootstrapTableTool;
+import org.testng.Assert;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+import static 
org.apache.pinot.integration.tests.BasicAuthTestUtils.AUTH_HEADER;
+import static 
org.apache.pinot.integration.tests.BasicAuthTestUtils.AUTH_HEADER_USER;
+import static org.apache.pinot.integration.tests.BasicAuthTestUtils.AUTH_TOKEN;
+
+
+/**
+ * Integration test that provides example of {@link PinotTaskGenerator} and 
{@link PinotTaskExecutor} and tests simple
+ * minion functionality.
+ */
+public class BasicAuthBatchIntegrationTest extends ClusterTest {
+  private static final String BOOTSTRAP_DATA_DIR = 
"/examples/batch/baseballStats";
+  private static final String SCHEMA_FILE = "baseballStats_schema.json";
+  private static final String CONFIG_FILE = 
"baseballStats_offline_table_config.json";
+  private static final String DATA_FILE = "baseballStats_data.csv";
+  private static final String JOB_FILE = "ingestionJobSpec.yaml";
+
+  @BeforeClass
+  public void setUp()
+      throws Exception {
+    startZk();
+    startController();
+    startBroker();
+    startServer();
+    startMinion(Collections.emptyList(), Collections.emptyList());
+  }
+
+  @AfterClass(alwaysRun = true)
+  public void tearDown()
+      throws Exception {
+    stopMinion();
+    stopServer();
+    stopBroker();
+    stopController();
+    stopZk();
+  }
+
+  @Override
+  public Map<String, Object> getDefaultControllerConfiguration() {
+    return 
BasicAuthTestUtils.addControllerConfiguration(super.getDefaultControllerConfiguration());
+  }
+
+  @Override
+  protected PinotConfiguration getDefaultBrokerConfiguration() {
+    return 
BasicAuthTestUtils.addBrokerConfiguration(super.getDefaultBrokerConfiguration().toMap());
+  }
+
+  @Override
+  protected PinotConfiguration getDefaultServerConfiguration() {
+    return 
BasicAuthTestUtils.addServerConfiguration(super.getDefaultServerConfiguration().toMap());
+  }
+
+  @Override
+  protected PinotConfiguration getDefaultMinionConfiguration() {
+    return 
BasicAuthTestUtils.addMinionConfiguration(super.getDefaultMinionConfiguration().toMap());
+  }
+
+  @Test
+  public void testBrokerNoAuth()
+      throws Exception {
+    JsonNode response =
+        
JsonUtils.stringToJsonNode(sendPostRequest("http://localhost:18099/query/sql";, 
"{\"sql\":\"SELECT now()\"}"));
+    Assert.assertFalse(response.has("resultTable"), "must not return result 
table");
+    
Assert.assertTrue(response.get("exceptions").get(0).get("errorCode").asInt() != 
0, "must return error code");
+  }
+
+  @Test
+  public void testBroker()
+      throws Exception {
+    JsonNode response = JsonUtils.stringToJsonNode(
+        sendPostRequest("http://localhost:18099/query/sql";, "{\"sql\":\"SELECT 
now()\"}", AUTH_HEADER));
+    
Assert.assertEquals(response.get("resultTable").get("dataSchema").get("columnDataTypes").get(0).asText(),
 "LONG",
+        "must return result with LONG value");
+    Assert.assertTrue(response.get("exceptions").isEmpty(), "must not return 
exception");
+  }
+
+  @Test
+  public void testControllerGetTables()
+      throws Exception {
+    JsonNode response = 
JsonUtils.stringToJsonNode(sendGetRequest("http://localhost:18998/tables";, 
AUTH_HEADER));
+    Assert.assertTrue(response.get("tables").isArray(), "must return table 
array");
+  }
+
+  @Test
+  public void testIngestionBatch()
+      throws Exception {
+    File quickstartTmpDir = new File(FileUtils.getTempDirectory(), 
String.valueOf(System.currentTimeMillis()));
+    FileUtils.forceDeleteOnExit(quickstartTmpDir);
+
+    File baseDir = new File(quickstartTmpDir, "baseballStats");
+    File dataDir = new File(baseDir, "rawdata");
+    File schemaFile = new File(baseDir, SCHEMA_FILE);
+    File configFile = new File(baseDir, CONFIG_FILE);
+    File dataFile = new File(dataDir, DATA_FILE);
+    File jobFile = new File(baseDir, JOB_FILE);
+    Preconditions.checkState(dataDir.mkdirs());
+
+    FileUtils.copyURLToFile(getClass().getResource(BOOTSTRAP_DATA_DIR + "/" + 
SCHEMA_FILE), schemaFile);
+    FileUtils.copyURLToFile(getClass().getResource(BOOTSTRAP_DATA_DIR + "/" + 
CONFIG_FILE), configFile);
+    FileUtils.copyURLToFile(getClass().getResource(BOOTSTRAP_DATA_DIR + 
"/rawdata/" + DATA_FILE), dataFile);
+    FileUtils.copyURLToFile(getClass().getResource(BOOTSTRAP_DATA_DIR + "/" + 
JOB_FILE), jobFile);
+
+    // patch ingestion job
+    String jobFileContents = IOUtils.toString(new FileInputStream(jobFile));
+    IOUtils.write(jobFileContents.replaceAll("9000", 
String.valueOf(DEFAULT_CONTROLLER_PORT)),
+        new FileOutputStream(jobFile));
+
+    new BootstrapTableTool("http", "localhost", DEFAULT_CONTROLLER_PORT, 
baseDir.getAbsolutePath(), AUTH_TOKEN)
+        .execute();
+
+    Thread.sleep(5000);
+
+    // admin with full access
+    JsonNode response = JsonUtils.stringToJsonNode(
+        sendPostRequest("http://localhost:18099/query/sql";, "{\"sql\":\"SELECT 
count(*) FROM baseballStats\"}",
+            AUTH_HEADER));
+    
Assert.assertEquals(response.get("resultTable").get("dataSchema").get("columnDataTypes").get(0).asText(),
 "LONG",
+        "must return result with LONG value");
+    
Assert.assertEquals(response.get("resultTable").get("dataSchema").get("columnNames").get(0).asText(),
 "count(*)",
+        "must return column name 'count(*)");
+    
Assert.assertEquals(response.get("resultTable").get("rows").get(0).get(0).asInt(),
 97889,
+        "must return row count 97889");
+    Assert.assertTrue(response.get("exceptions").isEmpty(), "must not return 
exception");
+
+    // user with valid auth but no table access
+    JsonNode responseUser = JsonUtils.stringToJsonNode(
+        sendPostRequest("http://localhost:18099/query/sql";, "{\"sql\":\"SELECT 
count(*) FROM baseballStats\"}",
+            AUTH_HEADER_USER));
+    Assert.assertFalse(responseUser.has("resultTable"), "must not return 
result table");
+    
Assert.assertTrue(responseUser.get("exceptions").get(0).get("errorCode").asInt()
 != 0, "must return error code");
+  }
+
+//  // TODO this endpoint should be protected once UI supports auth
+//  @Test
+//  public void testControllerGetTablesNoAuth()
+//      throws Exception {
+//    System.out.println(sendGetRequest("http://localhost:18998/tables";));
+//  }

Review comment:
       I don't understand the TODO here!

##########
File path: 
pinot-core/src/main/java/org/apache/pinot/core/auth/BasicAuthPrincipal.java
##########
@@ -0,0 +1,55 @@
+/**
+ * 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.pinot.core.auth;
+
+import java.util.Set;
+
+
+/**
+ * Container object for basic auth principal
+ */
+public class BasicAuthPrincipal {
+  private final String _name;
+  private final String _token;
+  private final Set<String> _tables;
+  private final Set<String> _permissions;

Review comment:
       I think it should be "AccessType" because AccessControl.hasAccess() 
takes an AccessType object as its argument. Implementations of AccessControl 
can't change AccessType.

##########
File path: 
pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/PinotControllerAuthResource.java
##########
@@ -0,0 +1,90 @@
+/**
+ * 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.pinot.controller.api.resources;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+import javax.inject.Inject;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.pinot.controller.api.access.AccessControl;
+import org.apache.pinot.controller.api.access.AccessControlFactory;
+import org.apache.pinot.controller.api.access.AccessType;
+
+
+@Api(tags = "Auth")
+@Path("/")
+public class PinotControllerAuthResource {
+
+  @Inject
+  private AccessControlFactory _accessControlFactory;
+
+  @Context
+  HttpHeaders _httpHeaders;
+
+  /**
+   * Verify a token is both authenticated and authorized to perform an 
operation.
+   *
+   * @param tableName table name (optional)
+   * @param accessType access type (optional)
+   * @param endpointUrl endpoint url (optional)
+   *
+   * @return {@code true} if authenticated and authorized, {@code false} 
otherwise
+   */
+  @GET
+  @Path("auth/verify")
+  @Produces(MediaType.APPLICATION_JSON)
+  @ApiOperation(value = "Check whether authentication is enabled")
+  @ApiResponses(value = {@ApiResponse(code = 200, message = "Verification 
result provided"), @ApiResponse(code = 500, message = "Verification error")})
+  public boolean verify(@ApiParam(value = "Table name without type") 
@QueryParam("tableName") String tableName,
+      @ApiParam(value = "API access type") @QueryParam("accessType") 
AccessType accessType,
+      @ApiParam(value = "Endpoint URL") @QueryParam("endpointUrl") String 
endpointUrl) {
+    AccessControl accessControl = _accessControlFactory.create();
+
+    if (StringUtils.isBlank(tableName)) {
+      return accessControl.hasAccess(accessType, _httpHeaders, endpointUrl);
+    }
+
+    return accessControl.hasAccess(tableName, accessType, _httpHeaders, 
endpointUrl);
+  }
+
+  /**
+   * Provide the auth workflow configuration for the Pinot UI to perform user 
authentication. Currently supports NONE
+   * (no auth), BASIC (basic auth with username and password), and OAUTH2 
(token-based via external issuer)

Review comment:
       AFAIK currently there's no OAuth2 support. If that's correct, please 
update the comment.

##########
File path: 
pinot-controller/src/main/java/org/apache/pinot/controller/api/access/AccessControl.java
##########
@@ -26,6 +26,9 @@
 @InterfaceAudience.Public
 @InterfaceStability.Stable
 public interface AccessControl {
+  String WORKFLOW_NONE = "NONE";
+  String WORKFLOW_BASIC = "BASIC";
+  String WORKFLOW_OAUTH2 = "OAUTH2";

Review comment:
       I guess we should stick to the ones that are already available in the 
code - ie none and basic. Whenever we add new implementation, we can add them 
here.
   Also enum is a better choice than string.




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