git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.mercedesme.internal.server;
  14
  15 import java.io.IOException;
  16
  17 import javax.servlet.ServletException;
  18 import javax.servlet.http.HttpServlet;
  19 import javax.servlet.http.HttpServletRequest;
  20 import javax.servlet.http.HttpServletResponse;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.openhab.binding.mercedesme.internal.Constants;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 /**
  28  * The {@link CallbackServlet} class provides authentication callback endpoint
  29  *
  30  * @author Bernd Weymann - Initial contribution
  31  */
  32 @SuppressWarnings("serial")
  33 @NonNullByDefault
  34 public class CallbackServlet extends HttpServlet {
  35     private final Logger logger = LoggerFactory.getLogger(CallbackServlet.class);
  36
  37     @Override
  38     protected void doGet(HttpServletRequest request, HttpServletResponse response)
  39             throws ServletException, IOException {
  40         String code = request.getParameter(Constants.CODE);
  41         if (code != null) {
  42             CallbackServer.callback(request.getLocalPort(), code);
  43             logger.trace("Code successfully extracted {}", request.getParameterMap());
  44             response.setContentType("application/json");
  45             response.setStatus(HttpServletResponse.SC_OK);
  46             response.getWriter().println(request.getParameterMap());
  47             response.getWriter().println("{ \"status\": \"ok\"}");
  48         } else {
  49             response.setContentType("text/html");
  50             response.setStatus(HttpServletResponse.SC_OK);
  51             response.getWriter().println("<HTML>");
  52             response.getWriter().println("<BODY>");
  53             response.getWriter().println("<B>Call Parameters</B>");
  54             response.getWriter().println("<BR>");
  55             response.getWriter().println(request.getParameterMap());
  56             response.getWriter().println("<BR><BR>");
  57             response.getWriter().println("<B>Configured scopes</B><BR>");
  58             String[] scopes = CallbackServer.getScope(request.getLocalPort()).split(Constants.SPACE);
  59             for (int i = 0; i < scopes.length; i++) {
  60                 response.getWriter().println(scopes[i] + "<BR>");
  61             }
  62             response.getWriter().println("<BR><BR>");
  63             response.getWriter().println("<B>Get your access token for openHAB MercedesMe Binding</B>");
  64             response.getWriter().println("<BR>");
  65             response.getWriter().println("<a href=\"" + CallbackServer.getAuthorizationUrl(request.getLocalPort())
  66                     + "\">Start Authorization</a>");
  67             response.getWriter().println("</BODY>");
  68             response.getWriter().println("</HTML>");
  69         }
  70         logger.debug("Call from {}:{} parameters {}", request.getLocalAddr(), request.getLocalPort(),
  71                 request.getParameterMap());
  72     }
  73 }