1 files changed, 111 insertions, 0 deletions
diff --git a/dcae_dmaapbc_webapp/dbca-os/src/main/java/org/onap/portalapp/login/LoginStrategyImpl.java b/dcae_dmaapbc_webapp/dbca-os/src/main/java/org/onap/portalapp/login/LoginStrategyImpl.java
new file mode 100644
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--- /dev/null
+++ b/dcae_dmaapbc_webapp/dbca-os/src/main/java/org/onap/portalapp/login/LoginStrategyImpl.java
@@ -0,0 +1,111 @@
+/*-
+ * ================================================================================
+ * ECOMP 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.openecomp.portalsdk.core.auth.LoginStrategy;
+import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
+import org.openecomp.portalsdk.core.onboarding.exception.PortalAPIException;
+import org.openecomp.portalsdk.core.onboarding.util.CipherUtil;
+import org.openecomp.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 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 Exception
+	 *             On any failure
+	 */
+	private String getUserIdFromCookie(HttpServletRequest request) throws Exception {
+		String userId = "";
+		Cookie userIdCookie = getCookie(request, USER_ID);
+		if (userIdCookie != null) {
+			final String cookieValue = userIdCookie.getValue();
+			if (!SystemProperties.containsProperty(SystemProperties.Decryption_Key))
+				throw new Exception("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;
+	}
+
+}