/*
* 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.ranger.security.web.authentication;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.apache.ranger.biz.SessionMgr;
import org.apache.ranger.common.JSONUtil;
import org.apache.ranger.common.PropertiesUtil;
import org.apache.ranger.common.RangerConfigUtil;
import org.apache.ranger.security.web.filter.RangerSSOAuthenticationFilter;
import org.apache.ranger.view.VXResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint;
/**
*
*
*/
public class RangerAuthenticationEntryPoint extends
LoginUrlAuthenticationEntryPoint {
public static final int SC_AUTHENTICATION_TIMEOUT = 419;
private static final Logger logger = Logger
.getLogger(RangerAuthenticationEntryPoint.class);
static int ajaxReturnCode = -1;
@Autowired
RangerConfigUtil configUtil;
@Autowired
JSONUtil jsonUtil;
@Autowired
SessionMgr sessionMgr;
public RangerAuthenticationEntryPoint() {
super();
if (logger.isDebugEnabled()) {
logger.debug("AjaxAwareAuthenticationEntryPoint(): constructor");
}
if (ajaxReturnCode < 0) {
ajaxReturnCode = PropertiesUtil.getIntProperty(
"ranger.ajax.auth.required.code", 401);
}
}
@Override
public void commence(HttpServletRequest request,
HttpServletResponse response, AuthenticationException authException)
throws IOException, ServletException {
String ajaxRequestHeader = request.getHeader("X-Requested-With");
response.setHeader("X-Frame-Options", "DENY");
if (logger.isDebugEnabled()) {
logger.debug("commence() X-Requested-With=" + ajaxRequestHeader);
}
String requestURL = (request.getRequestURL() != null) ? request
.getRequestURL().toString() : "";
String servletPath = PropertiesUtil.getProperty(
"ranger.servlet.mapping.url.pattern", "service");
String reqServletPath = configUtil.getWebAppRootURL() + "/"
+ servletPath;
if ("XMLHttpRequest".equals(ajaxRequestHeader)) {
try {
VXResponse vXResponse = new VXResponse();
vXResponse.setStatusCode(SC_AUTHENTICATION_TIMEOUT);
vXResponse.setMsgDesc("Session Timeout");
response.setStatus(SC_AUTHENTICATION_TIMEOUT);
response.getWriter().write(
jsonUtil.writeObjectAsString(vXResponse));
} catch (IOException e) {
logger.info("Error while writing JSON in HttpServletResponse");
}
return;
} else {
try {
VXResponse vXResponse = new VXResponse();
vXResponse.setStatusCode(HttpServletResponse.SC_UNAUTHORIZED);
vXResponse.setMsgDesc("Authentication Failed");
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
response.getWriter().write(
jsonUtil.writeObjectAsString(vXResponse));
} catch (IOException e) {
logger.info("Error while writing JSON in HttpServletResponse");
}
}
if (ajaxRequestHeader != null
&& "XMLHttpRequest".equalsIgnoreCase(ajaxRequestHeader)) {
if (logger.isDebugEnabled()) {
logger.debug("commence() AJAX request. Authentication required. Returning "
+ ajaxReturnCode + ". URL=" + request.getRequestURI());
}
response.sendError(ajaxReturnCode, "");
} else if (!(requestURL.startsWith(reqServletPath))) {
if(requestURL.contains(RangerSSOAuthenticationFilter.LOCAL_LOGIN_URL)){
if (request.getSession() != null){
request.getSession().setAttribute("locallogin","true");
request.getServletContext().setAttribute(request.getSession().getId(), "locallogin");
}
}
super.commence(request, response, authException);
}
}
}