/*
 * ============LICENSE_START========================================================================
 * ONAP : tr-069-adapter
 * =================================================================================================
 * Copyright (C) 2020 CommScope Inc Intellectual Property.
 * =================================================================================================
 * This tr-069-adapter software file is distributed by CommScope Inc 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
 *
 * This file 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.
 * ===============LICENSE_END=======================================================================
 */

package org.commscope.tr069adapter.acs.booter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;

@Component
public class FilterInsecuredRequests implements Filter {

  private String serverPort;

  public FilterInsecuredRequests() {
    super();
  }

  public FilterInsecuredRequests(String serverPort) {
    super();
    this.serverPort = serverPort;
  }

  /*
   * (non-Javadoc)
   * 
   * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse,
   * javax.servlet.FilterChain)
   */
  @Override
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
      throws IOException, ServletException {
    HttpServletRequest req = (HttpServletRequest) request;
    HttpServletResponse res = (HttpServletResponse) response;

    if (this.serverPort != null && !this.serverPort.equals("-1")
        && !this.serverPort.equals(String.valueOf(req.getLocalPort()))
        && req.getRequestURL().toString().contains("CPEMgmt")) {
      res.setStatus(HttpServletResponse.SC_NOT_FOUND);
      return;
    }

    chain.doFilter(request, response);
  }


}