content: /*
   * 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.calcite.avatica.server;
  
  import org.apache.calcite.avatica.ConnectionSpec;
  import org.apache.calcite.avatica.util.Sources;
  
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.sql.Statement;
  import java.util.Properties;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Common test logic for HTTP basic and digest auth
   */
  public class HttpAuthBase {
  
    static boolean userExists(Statement stmt, String user) throws SQLException {
      ResultSet results = stmt.executeQuery(
          "SELECT * FROM INFORMATION_SCHEMA.SYSTEM_USERS WHERE USER_NAME = '" + user + "'");
      return results.next();
    }
  
    static void createHsqldbUsers() throws SQLException {
      try (Connection conn = DriverManager.getConnection(ConnectionSpec.HSQLDB.url,
          ConnectionSpec.HSQLDB.username, ConnectionSpec.HSQLDB.password);
          Statement stmt = conn.createStatement()) {
        for (int i = 2; i <= 5; i++) {
          // Users 2-5 exist (not user1)
          final String username = "USER" + i;
          final String password = "password" + i;
          if (userExists(stmt, username)) {
            stmt.execute("DROP USER " + username);
          }
          stmt.execute("CREATE USER " + username + " PASSWORD '" + password + "'");
          // Grant permission to the user we create (defined in the scottdb hsqldb impl)
          stmt.execute("GRANT DBA TO " + username);
        }
      }
    }
  
    void readWriteData(String url, String tableName, Properties props) throws Exception {
      try (Connection conn = DriverManager.getConnection(url, props);
          Statement stmt = conn.createStatement()) {
        assertFalse(stmt.execute("DROP TABLE IF EXISTS " + tableName));
        assertFalse(stmt.execute("CREATE TABLE " + tableName + " (pk integer, msg varchar(10))"));
  
        assertEquals(1, stmt.executeUpdate("INSERT INTO " + tableName + " VALUES(1, 'abcd')"));
        assertEquals(1, stmt.executeUpdate("INSERT INTO " + tableName + " VALUES(2, 'bcde')"));
        assertEquals(1, stmt.executeUpdate("INSERT INTO " + tableName + " VALUES(3, 'cdef')"));
  
        ResultSet results = stmt.executeQuery("SELECT count(1) FROM " + tableName);
        assertNotNull(results);
        assertTrue(results.next());
        assertEquals(3, results.getInt(1));
      }
    }
  
    static String getHashLoginServicePropertiesString() {
      final String userPropertiesFile =  Sources.of(HttpAuthBase.class
          .getResource("/auth-users.properties")).file().getAbsolutePath();
      assertNotNull("Could not find properties file for basic auth users", userPropertiesFile);
      return userPropertiesFile;
    }
  
  }
  
  // End HttpAuthBase.java
  