/*
 * 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.kyuubi.jdbc.hive.auth;

import java.util.Map;
import org.apache.http.Header;
import org.apache.http.HttpRequest;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CookieStore;
import org.apache.http.impl.auth.AuthSchemeBase;
import org.apache.http.impl.auth.BasicScheme;
import org.apache.http.protocol.HttpContext;

/**
 * The class is instantiated with the username and password, it is then used to add header with
 * these credentials to HTTP requests
 */
public class HttpBasicAuthInterceptor extends HttpRequestInterceptorBase {
  UsernamePasswordCredentials credentials;
  AuthSchemeBase authScheme;

  public HttpBasicAuthInterceptor(
      String username,
      String password,
      CookieStore cookieStore,
      String cn,
      boolean isSSL,
      Map<String, String> additionalHeaders,
      Map<String, String> customCookies) {
    super(cookieStore, cn, isSSL, additionalHeaders, customCookies);
    this.authScheme = new BasicScheme();
    if (username != null) {
      this.credentials = new UsernamePasswordCredentials(username, password);
    }
  }

  @Override
  protected void addHttpAuthHeader(HttpRequest httpRequest, HttpContext httpContext)
      throws Exception {
    Header basicAuthHeader = authScheme.authenticate(credentials, httpRequest, httpContext);
    httpRequest.addHeader(basicAuthHeader);
  }
}
