1 files changed, 101 insertions, 0 deletions
diff --git a/core/src/main/java/com/att/cadi/filter/AUTHZServlet.java b/core/src/main/java/com/att/cadi/filter/AUTHZServlet.java
new file mode 100644
index 0000000..dab6b47
--- /dev/null
+++ b/core/src/main/java/com/att/cadi/filter/AUTHZServlet.java
@@ -0,0 +1,101 @@
+/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aai
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * Copyright © 2017 Amdocs
+ * * ===========================================================================
+ * * 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.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package com.att.cadi.filter;
+
+import java.io.IOException;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * 
+ *
+ */
+public class AUTHZServlet<S extends Servlet> implements Servlet {
+	private String[] roles;
+	private Servlet delegate;
+
+	protected AUTHZServlet(Class<S> cls) {
+		try {
+			delegate = cls.newInstance();
+		} catch (Exception e) {
+			delegate = null;
+		}
+		RolesAllowed rolesAllowed = cls.getAnnotation(RolesAllowed.class);
+		if(rolesAllowed == null) {
+			roles = null;
+		} else {
+			roles = rolesAllowed.value();
+		}
+	}
+	
+	public void init(ServletConfig sc) throws ServletException {
+		if(delegate == null) throw new ServletException("Invalid Servlet Delegate");
+		delegate.init(sc);
+	}
+	
+	public ServletConfig getServletConfig() {
+		return delegate.getServletConfig();
+	}
+
+	public String getServletInfo() {
+		return delegate.getServletInfo();
+	}
+
+	public void service(ServletRequest req, ServletResponse resp) throws ServletException, IOException {
+		if(roles==null) {
+			delegate.service(req,resp);
+		} else { // Validate
+			try {
+				HttpServletRequest hreq = (HttpServletRequest)req;
+				boolean proceed = false;
+				for(String role : roles) {
+					if(hreq.isUserInRole(role)) {
+						proceed = true;
+						break;
+					}
+				}
+				if(proceed) {
+					delegate.service(req,resp);
+				} else {
+					//baseRequest.getServletContext().log(hreq.getUserPrincipal().getName()+" Refused " + roles);
+					((HttpServletResponse)resp).sendError(403); // forbidden
+				}
+			} catch(ClassCastException e) {
+				throw new ServletException("JASPIServlet only supports HTTPServletRequest/HttpServletResponse");
+			}
+		}
+	}
+
+	public void destroy() {
+		delegate.destroy();
+	}
+
+
+}