Initial OpenECOMP policy/engine commit

[policy/engine.git] / PyPDPServer / src / main / java / org / openecomp / policy / pypdp / authorization / AuthenticationFilter.java

diff --git a/PyPDPServer/src/main/java/org/openecomp/policy/pypdp/authorization/AuthenticationFilter.java b/PyPDPServer/src/main/java/org/openecomp/policy/pypdp/authorization/AuthenticationFilter.java
new file mode 100644 (file)
index 0000000..c5526d7
--- /dev/null
+++ b/PyPDPServer/src/main/java/org/openecomp/policy/pypdp/authorization/AuthenticationFilter.java
@@ -0,0 +1,80 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ECOMP Policy Engine
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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=========================================================
+ */
+
+package org.openecomp.policy.pypdp.authorization;
+
+import java.io.IOException;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.annotation.WebFilter;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@WebFilter("/*")
+public class AuthenticationFilter implements Filter {
+
+       public static final String AUTHENTICATION_HEADER = "Authorization";
+       public static final String ENVIRONMENT_HEADER = "Environment";
+
+       @Override
+       public void doFilter(ServletRequest request, ServletResponse response,
+                       FilterChain filter) throws IOException, ServletException {
+               if (request instanceof HttpServletRequest) {
+                       HttpServletRequest httpServletRequest = (HttpServletRequest) request;
+                       String authCredentials = httpServletRequest.getHeader(AUTHENTICATION_HEADER);
+                       String environment = httpServletRequest.getHeader(ENVIRONMENT_HEADER);
+                       String path = ((HttpServletRequest) request).getRequestURI();
+
+                       // better injected
+                       AuthenticationService authenticationService = new AuthenticationService();
+
+                       boolean authenticationStatus = authenticationService.authenticate(authCredentials);
+                       
+                       if (authenticationStatus && environment!=null && (environment.equalsIgnoreCase(Config.getEnvironment()))) {
+                               filter.doFilter(request, response);
+                       } else if(environment==null| path.contains("org.openecomp.policy.pypdp.notifications") || path.contains("swagger") || path.contains("api-docs") || path.contains("configuration") || path.contains("pdps") || path.contains("count") || path.contains("paps")){
+                               filter.doFilter(request, response);
+                       } else {
+                               if (response instanceof HttpServletResponse) {
+                                       HttpServletResponse httpServletResponse = (HttpServletResponse) response;
+                                       httpServletResponse.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+                               }
+                       }
+                       if (path.contains("error")){
+                               HttpServletResponse httpServletResponse = (HttpServletResponse) response;
+                               httpServletResponse.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+                       }
+               }
+       }
+
+       @Override
+       public void destroy() {
+       }
+
+       @Override
+       public void init(FilterConfig arg0) throws ServletException {
+               Config.setProperty();
+       }
+}