package org.apache.blur.console.servlets;
/**
* 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.
*/
import org.apache.blur.console.model.User;
import org.apache.blur.console.providers.BaseProvider;
import org.apache.blur.console.util.Config;
import org.apache.blur.console.util.HttpUtil;
import org.codehaus.jackson.map.ObjectMapper;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
public class AuthServlet extends BaseConsoleServlet {
private static final String LOGIN_STATUS_FIELD = "loggedIn";
private static final String LOGIN_FORM_FIELD = "formHtml";
private static final String USER_FIELD = "user";
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String path = req.getPathInfo();
if ("/securityUsers".equalsIgnoreCase(path)) {
getSecurityUsers(req, resp);
} else {
sendNotFound(resp, req.getRequestURI());
}
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String path = req.getPathInfo();
if ("/login".equalsIgnoreCase(path)) {
loginUser(req, resp);
} else {
sendNotFound(resp, req.getRequestURI());
}
}
private void getSecurityUsers(HttpServletRequest request, HttpServletResponse response) throws IOException {
Map<String, Object> responseData = new HashMap<String, Object>();
responseData.put("securityUserNames", Config.getSecurityUserNames());
HttpUtil.sendResponse(response, new ObjectMapper().writeValueAsString(responseData), HttpUtil.JSON);
}
private void loginUser(HttpServletRequest request, HttpServletResponse response) throws IOException {
Map<String, Object> responseData = new HashMap<String, Object>();
HttpSession session = request.getSession();
User user = (User) session.getAttribute("user");
BaseProvider provider = Config.getProvider();
if(user == null) {
user = provider.login(request);
}
if (user == null) {
responseData.put(LOGIN_STATUS_FIELD, false);
String form = provider.getLoginForm();
if (form != null) {
responseData.put(LOGIN_FORM_FIELD, form);
}
} else {
responseData.put(LOGIN_STATUS_FIELD, true);
responseData.put(USER_FIELD, user);
session.setAttribute("user", user);
}
HttpUtil.sendResponse(response, new ObjectMapper().writeValueAsString(responseData), HttpUtil.JSON);
}
}