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/*
* ============LICENSE_START==========================================
* ONAP Portal SDK
* ===================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ===================================================================
*
* Unless otherwise specified, all software contained herein is licensed
* under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.
*
* ============LICENSE_END============================================
*
*
*/
package org.onap.portalsdk.core.interceptor;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.lang.StringUtils;
import org.onap.portalsdk.core.controller.FusionBaseController;
import org.onap.portalsdk.core.domain.User;
import org.onap.portalsdk.core.exception.SessionExpiredException;
import org.onap.portalsdk.core.listener.CollaborateListBindingListener;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.util.SystemProperties;
import org.onap.portalsdk.core.web.support.AppUtils;
import org.onap.portalsdk.core.web.support.UserUtils;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
public class SessionTimeoutInterceptor extends HandlerInterceptorAdapter {
private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SessionTimeoutInterceptor.class);
/**
* Checks all requests for valid session information. If not found, redirects to
* a controller that will establish a valid session.
*/
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception {
if (handler instanceof HandlerMethod) {
HandlerMethod method = (HandlerMethod) handler;
FusionBaseController controller = (FusionBaseController) method.getBean();
if (!controller.isAccessible() && !controller.isRESTfulCall()) {
try {
// getSession() throws SessionExpiredException
HttpSession session = AppUtils.getSession(request);
User user = UserUtils.getUserSession(request);
// check if user is logging out
if (request.getRequestURI().indexOf("logout.htm") > -1) {
session.removeAttribute(CollaborateListBindingListener.SESSION_ATTR_NAME);
throw new SessionExpiredException();
} else if (user == null) {
// Jump to the redirection code
throw new Exception("preHandle: user not found in session");
} else {
// session binding listener will add this value to the
// map, and with session replication the listener will
// fire in all tomcat instances
session.setAttribute(CollaborateListBindingListener.SESSION_ATTR_NAME,
new CollaborateListBindingListener(user.getOrgUserId()));
}
} catch (Exception ex) {
// get the path within the webapp that the user requested (no host name etc.)
final String forwardUrl = request.getRequestURI().substring(request.getContextPath().length() + 1)
+ (request.getQueryString() == null ? "" : "?" + request.getQueryString());
final String forwardUrlParm = "forwardURL=" + URLEncoder.encode(forwardUrl, "UTF-8");
final String singleSignonPrefix = "/single_signon.htm?";
if (ex instanceof SessionExpiredException) {
// Session is expired; send to portal.
// Redirect to an absolute path in the webapp; e.g.,
// "/context/single_signon.htm"
final String redirectUrl = request.getContextPath() + singleSignonPrefix
+ "redirectToPortal=Yes&" + forwardUrlParm;
logger.debug(EELFLoggerDelegate.debugLogger, "preHandle: session is expired, redirecting to {}",
redirectUrl);
response.sendRedirect(redirectUrl);
return false;
} else {
// Other issue; do not send to portal.
// Redirect to an absolute path in the webapp; e.g.,
// "/context/single_signon.htm"
final String redirectUrl = request.getContextPath() + singleSignonPrefix + forwardUrlParm;
logger.debug(EELFLoggerDelegate.debugLogger, "preHandle: took exception {}, redirecting to {}",
ex.getMessage(), redirectUrl);
response.sendRedirect(redirectUrl);
return false;
}
}
}
}
return super.preHandle(request, response, handler);
}
public void validateDomain(final String redirectUrl) throws MalformedURLException {
if (StringUtils.isNotBlank(redirectUrl)) {
String hostName = new URL(redirectUrl).getHost();
if (StringUtils.isNotBlank(hostName)
&& !hostName.endsWith(SystemProperties.getProperty(SystemProperties.COOKIE_DOMAIN))) {
logger.debug(EELFLoggerDelegate.debugLogger, "singleSignOnLogin: accessing Unauthorized url", hostName);
throw new SecurityException("accessing Unauthorized url : " + hostName);
}
}
}
}
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