Upgraded the latest ONAP SDK

[policy/engine.git] / ONAP-SDK-APP / src / main / java / org / onap / portalapp / login / LoginStrategyImpl.java

diff --git a/ONAP-SDK-APP/src/main/java/org/onap/portalapp/login/LoginStrategyImpl.java b/ONAP-SDK-APP/src/main/java/org/onap/portalapp/login/LoginStrategyImpl.java
new file mode 100644 (file)
index 0000000..af6e0ae
--- /dev/null
+++ b/ONAP-SDK-APP/src/main/java/org/onap/portalapp/login/LoginStrategyImpl.java
@@ -0,0 +1,113 @@
+/*-
+ * ================================================================================
+ * ONAP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * Licensed 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.onap.portalapp.login;
+
+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.logging.logic.EELFLoggerDelegate;
+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.util.SystemProperties;
+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);
+
+       /**
+        * 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 {
+               return doExternalLogin(request, response);
+       }
+
+       @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
+        */
+       @SuppressWarnings("deprecation")
+       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;
+       }
+
+}