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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.portalapp.login;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.portalsdk.core.auth.LoginStrategy;
import org.onap.portalsdk.core.command.LoginBean;
import org.onap.portalsdk.core.domain.RoleFunction;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.menu.MenuProperties;
import org.onap.portalsdk.core.onboarding.exception.CipherUtilException;
import org.onap.portalsdk.core.onboarding.exception.PortalAPIException;
import org.onap.portalsdk.core.onboarding.util.CipherUtil;
import org.onap.portalsdk.core.service.LoginService;
import org.onap.portalsdk.core.service.RoleService;
import org.onap.portalsdk.core.util.SystemProperties;
import org.onap.portalsdk.core.web.support.UserUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.servlet.ModelAndView;
/**
* Implements basic single-signon login strategy for open-source applications
* when users start at Portal. Extracts an encrypted user ID sent by Portal.
*/
public class LoginStrategyImpl extends LoginStrategy {
private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(LoginStrategyImpl.class);
@Autowired
private RoleService roleService;
@Autowired
private LoginService loginService;
/**
* login for open source is same as external login in the non-open-source
* version.
*/
@Override
public ModelAndView doLogin(HttpServletRequest request, HttpServletResponse response) throws Exception {
invalidateExistingSession(request);
LoginBean commandBean = new LoginBean();
String loginId = request.getParameter("loginId");
String password = request.getParameter("password");
commandBean.setLoginId(loginId);
commandBean.setLoginPwd(password);
commandBean.setUserid(loginId);
commandBean = loginService.findUser(commandBean,
(String) request.getAttribute(MenuProperties.MENU_PROPERTIES_FILENAME_KEY), new HashMap());
List<RoleFunction> roleFunctionList = roleService.getRoleFunctions(loginId);
if (commandBean.getUser() == null) {
String loginErrorMessage = (commandBean.getLoginErrorMessage() != null) ? commandBean.getLoginErrorMessage()
: "login.error.external.invalid";
Map<String, String> model = new HashMap<>();
model.put("error", loginErrorMessage);
return new ModelAndView("login_external", "model", model);
} else {
// store the currently logged in user's information in the session
UserUtils.setUserSession(request, commandBean.getUser(), commandBean.getMenu(),
commandBean.getBusinessDirectMenu(),
SystemProperties.getProperty(SystemProperties.LOGIN_METHOD_BACKDOOR), roleFunctionList);
initateSessionMgtHandler(request);
// user has been authenticated, now take them to the welcome page
return new ModelAndView("redirect:welcome.htm");
}
}
@Override
public String getUserId(HttpServletRequest request) throws PortalAPIException {
// Check ECOMP Portal cookie
Cookie ep = getCookie(request, EP_SERVICE);
if (ep == null) {
logger.debug(EELFLoggerDelegate.debugLogger, "getUserId: no EP_SERVICE cookie, returning null");
return null;
}
String userid = null;
try {
userid = getUserIdFromCookie(request);
} catch (Exception e) {
logger.error(EELFLoggerDelegate.errorLogger, "getUserId failed", e);
}
return userid;
}
/**
* Searches the request for the user-ID cookie and decrypts the value using a
* key configured in properties
*
* @param request
* HttpServletRequest
* @return User ID
* @throws CipherUtilException
* On any failure to decrypt
*/
private String getUserIdFromCookie(HttpServletRequest request) throws CipherUtilException {
String userId = "";
Cookie userIdCookie = getCookie(request, USER_ID);
if (userIdCookie != null) {
final String cookieValue = userIdCookie.getValue();
if (!SystemProperties.containsProperty(SystemProperties.Decryption_Key))
throw new IllegalStateException("Failed to find property " + SystemProperties.Decryption_Key);
final String decryptionKey = SystemProperties.getProperty(SystemProperties.Decryption_Key);
userId = CipherUtil.decrypt(cookieValue, decryptionKey);
logger.debug(EELFLoggerDelegate.debugLogger, "getUserIdFromCookie: decrypted as {}", userId);
}
return userId;
}
/**
* Searches the request for the named cookie.
*
* @param request
* HttpServletRequest
* @param cookieName
* Name of desired cookie
* @return Cookie if found; otherwise null.
*/
private Cookie getCookie(HttpServletRequest request, String cookieName) {
Cookie[] cookies = request.getCookies();
if (cookies != null)
for (Cookie cookie : cookies)
if (cookie.getName().equals(cookieName))
return cookie;
return null;
}
}
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