1 files changed, 222 insertions, 0 deletions
diff --git a/filters/provider/src/main/java/org/openecomp/sdnc/filters/LogFilter.java b/filters/provider/src/main/java/org/openecomp/sdnc/filters/LogFilter.java
new file mode 100644
index 0000000..aa1d530
--- /dev/null
+++ b/filters/provider/src/main/java/org/openecomp/sdnc/filters/LogFilter.java
@@ -0,0 +1,222 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : SDN-C
+ * ================================================================================
+ * 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.sdnc.filters;
+
+import java.io.IOException;
+import java.util.UUID;
+
+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.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.codec.binary.Base64;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.MDC;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+
+
+/**
+ * Logs IN request according ECOMP Logging Guidelines
+ */
+public class LogFilter implements Filter {
+
+    //X-ECOMP is shared between audit and metric
+    public static final String BEGIN_TIMESTAMP = "AUDIT-BeginTimestamp";
+    public static final String END_TIMESTAMP = "AUDIT-EndTimestamp";
+    public static final String REQUEST_ID = "X-ECOMP-RequestID";
+    public static final String SERVICE_INSTANCE = "X-ECOMP-ServiceInstanceID";
+    public static final String THREAD_ID ="X-ECOMP-ThreadId"; //optional
+    public static final String PHYSICAL_SERVER_NAME="X-ECOMP-PhysicalServerName"; //optional
+    public static final String SERVICE_NAME="X-ECOMP-ServiceName";
+    public static final String PARTNER_NAME="X-ECOMP-PartnerName";
+    public static final String STATUS_CODE="AUDIT-StatusCode";
+    public static final String RESP_CODE="AUDIT-ResponseCode";
+    public static final String RESP_DESC="AUDIT-ResponseDescription";
+    public static final String INSTANCE_UUID="AUDIT-InstanceUUID";
+    public static final String CATEGORY="AUDIT-INFO";
+    public static final String SEVERITY ="AUDIT-Severity"; //optional
+    public static final String SERVER_IP="AUDIT-ServerIP"; //by chef node['ip']
+    public static final String ELAPSED_TIME="AUDIT-ElapsedTime";
+    public static final String SERVER_HOST="AUDIT-Server";//by chef node['fqdn']
+    public static final String CLIENT_IP="AUDIT-ClientIPaddress";
+    public static final String CLASS="AUDIT-Classname"; //optional
+    public static final String UNUSED="AUDIT-Unused"; //empty
+    public static final String PROCESS_KEY="AUDIT-ProcessKey"; //optional
+    public static final String CUST_1="AUDIT-CustomField1";//optional
+    public static final String CUST_2="AUDIT-CustomField2"; //optional
+    public static final String CUST_3="AUDIT-CustomField3"; //optional
+    public static final String CUST_4="AUDIT-CustomField4"; //optional
+    public static final String DETAIL_MESSAGE="AUDIT-DetailMessage";//optional
+
+
+    private static final Logger log = LoggerFactory.getLogger(LogFilter.class);
+    private static final Logger AUDIT = LoggerFactory.getLogger("org.openecomp.sdnc.filters.audit");
+    @Override
+    public void destroy() {
+        }
+
+    @Override
+    public void doFilter(final ServletRequest request, final ServletResponse response,
+                final FilterChain filterChain) throws IOException, ServletException {
+
+            long startTime = System.currentTimeMillis();
+            try {
+
+                if ( request != null && request instanceof HttpServletRequest ) {
+                    pre((HttpServletRequest)request);
+                }
+                filterChain.doFilter(request, response);
+
+
+            } finally {
+
+                if (request != null && request instanceof HttpServletRequest ) {
+                    post((HttpServletRequest)request,(HttpServletResponse)response,startTime);
+                }
+                MDC.clear();
+            }
+
+        }
+
+    @Override
+    public void init(FilterConfig filterConfig) throws ServletException {
+        }
+
+
+
+    private void pre(HttpServletRequest request) {
+
+        UUID uuid = UUID.randomUUID();
+        // check if uuid is in header X-ECOMP-RequestID
+
+        String ecompUUID = request.getHeader(REQUEST_ID);
+
+        if (ecompUUID != null && ecompUUID.length() > 0) {
+            try {
+                uuid = UUID.fromString(ecompUUID);
+                log.info("UUID is ECOMP UUID " + uuid.toString());
+            } catch (Exception ex){
+                log.warn("Failed to convert ECOMP UUID to java.util.UUID format:" + ecompUUID,ex);
+            }
+        }
+        MDC.put(REQUEST_ID, uuid.toString());
+
+        String userName="unknown";
+
+        /* below returning org.opendaylight.aaa.shiro.realm.TokenAuthRealm$ODLPrincipal@745dfcfe
+           if ( request.getUserPrincipal() != null) {
+           userName = request.getUserPrincipal().getName();
+           }
+         */
+        // going directly after Authorization header
+        if (request.getHeader("Authorization") != null) {
+            String authzHeader = request.getHeader("Authorization");
+            String usernameAndPassword = new String(Base64.decodeBase64(authzHeader.substring(6).getBytes()));
+
+            int userNameIndex = usernameAndPassword.indexOf(":");
+            String username = usernameAndPassword.substring(0, userNameIndex);
+            userName = username;
+
+        }
+
+
+        MDC.put(PARTNER_NAME, userName);
+        //just to initilaze for metric logger (outbound calls)
+        MDC.put("X-ECOMP-TargetEntity","");
+        MDC.put("X-ECOMP-TargetServiceName","");
+
+        MDC.put(SERVICE_NAME,request.getRequestURL().toString());
+        MDC.put(SERVICE_INSTANCE,"");
+
+    }
+
+
+    private void post(HttpServletRequest request,HttpServletResponse response,long startTime) {
+
+        //AUDIT.info("{}|{}|{}{}",request.getRemoteHost(),request.getMethod(),request.getRequestURL().toString(),request.getQueryString());
+        //AUDIT.info(request.getRemoteHost() + D + request.getMethod() + D + request.getRequestURL().toString() + D + request.getQueryString());
+        //METRIC.info(request.getMethod() + D + response.getStatus() + D + request.getRequestURL().toString() + D + (System.currentTimeMillis() - startTime) + " ms");
+        MDC.put(BEGIN_TIMESTAMP,asIso8601(startTime));
+        MDC.put(END_TIMESTAMP,asIso8601(System.currentTimeMillis()));
+        //MDC.put(REQUEST_ID,"already done above");
+        MDC.put(SERVICE_NAME,request.getRequestURL().toString());
+        int idx = request.getPathInfo().toString().lastIndexOf(":");
+        String instance = "";
+        if ( idx != -1 ) {
+			instance = request.getPathInfo().substring(idx+1);
+		}
+        MDC.put(SERVICE_INSTANCE,instance);
+        MDC.put(THREAD_ID,"");
+        MDC.put(PHYSICAL_SERVER_NAME,"");
+        //MDC.put(PARTNER_NAME,"already done above");
+        if ( response.getStatus() >= 400 ) {
+			MDC.put(STATUS_CODE,"ERROR");
+		} else {
+			MDC.put(STATUS_CODE,"COMPLETE");
+		}
+
+        MDC.put(RESP_CODE,"" + response.getStatus());
+        MDC.put(RESP_DESC,"");
+        MDC.put(INSTANCE_UUID,"");
+        MDC.put(CATEGORY,"");
+        MDC.put(SEVERITY,"");
+        //MDC.put(SERVER_IP,""); //by chef
+        MDC.put(ELAPSED_TIME,"" + (System.currentTimeMillis() - startTime));
+        //MDC.put(SERVER_HOST,""); //by chef
+        MDC.put(CLIENT_IP,request.getRemoteHost());
+        MDC.put(CLASS,"");
+        MDC.put(UNUSED,"");
+        MDC.put(PROCESS_KEY,"");
+        MDC.put(CUST_1,"");
+        MDC.put(CUST_2,"");
+        MDC.put(CUST_3,"");
+        MDC.put(CUST_4,"");
+        MDC.put(DETAIL_MESSAGE,request.getMethod());
+
+        AUDIT.info("");
+    }
+
+    private String asIso8601(Date date) {
+        TimeZone tz = TimeZone.getTimeZone("UTC");
+        DateFormat df = new SimpleDateFormat("yyy-MM-dd'T'hh:mm:ss:SS'+00:00'");
+        df.setTimeZone(tz);
+        return df.format(date);
+    }
+
+    private String asIso8601(long tsInMillis) {
+        return asIso8601(new Date(tsInMillis));
+    }
+
+
+}