update link to upper-constraints.txt
[dmaap/datarouter.git] / datarouter-node / src / main / java / org / onap / dmaap / datarouter / node / NodeServlet.java
index 9ddbc25..4dbe0e7 100644 (file)
 
 package org.onap.dmaap.datarouter.node;
 
+import static org.onap.dmaap.datarouter.node.utils.NodeUtils.sendResponseError;
+
 import com.att.eelf.configuration.EELFLogger;
 import com.att.eelf.configuration.EELFManager;
+import jakarta.servlet.http.HttpServlet;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.Writer;
-import java.net.Socket;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Enumeration;
 import java.util.regex.Pattern;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import org.apache.log4j.Logger;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.jetbrains.annotations.Nullable;
+import org.onap.dmaap.datarouter.node.delivery.Delivery;
 import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;
+import org.onap.dmaap.datarouter.node.log.StatusLog;
+import org.onap.dmaap.datarouter.node.utils.NodeUtils;
+import org.slf4j.MDC;
 
 /**
- * Servlet for handling all http and https requests to the data router node
- * <p>
- * Handled requests are:
+ * Servlet for handling all http and https requests to the data router node.
+ *
+ * <p>Handled requests are:
  * <br>
  * GET http://<i>node</i>/internal/fetchProv - fetch the provisioning data
  * <br>
@@ -60,210 +63,192 @@ import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;
  */
 public class NodeServlet extends HttpServlet {
 
-    private static Logger logger = Logger.getLogger("org.onap.dmaap.datarouter.node.NodeServlet");
-    private static NodeConfigManager config;
-    private static Pattern MetaDataPattern;
-    private static SubnetMatcher internalsubnet = new SubnetMatcher("135.207.136.128/25");
-    //Adding EELF Logger Rally:US664892
-    private static EELFLogger eelflogger = EELFManager.getInstance()
-        .getLogger("org.onap.dmaap.datarouter.node.NodeServlet");
+    private static final String FROM = " from ";
+    private static final String INVALID_REQUEST_URI = "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.";
+    private static final String IO_EXCEPTION = "IOException";
+    private static final String ON_BEHALF_OF = "X-DMAAP-DR-ON-BEHALF-OF";
+    private final NodeConfigManager config;
+    private static final Pattern metaDataPattern;
+    private static final EELFLogger eelfLogger = EELFManager.getInstance().getLogger(NodeServlet.class);
 
     static {
-        try {
-            final String ws = "\\s*";
-            // assume that \\ and \" have been replaced by X
-            final String string = "\"[^\"]*\"";
-            //String string = "\"(?:[^\"\\\\]|\\\\.)*\"";
-            final String number = "[+-]?(?:\\.\\d+|(?:0|[1-9]\\d*)(?:\\.\\d*)?)(?:[eE][+-]?\\d+)?";
-            final String value = "(?:" + string + "|" + number + "|null|true|false)";
-            final String item = string + ws + ":" + ws + value + ws;
-            final String object = ws + "\\{" + ws + "(?:" + item + "(?:" + "," + ws + item + ")*)?\\}" + ws;
-            MetaDataPattern = Pattern.compile(object, Pattern.DOTALL);
-        } catch (Exception e) {
-        }
+        final String ws = "\\s*";
+        // assume that \\ and \" have been replaced by X
+        final String string = "\"[^\"]*\"";
+        final String number = "[+-]?(?:\\.\\d+|(?:0|[1-9]\\d*)(?:\\.\\d*)?)(?:[eE][+-]?\\d+)?";
+        final String value = "(?:" + string + "|" + number + "|null|true|false)";
+        final String item = string + ws + ":" + ws + value + ws;
+        final String object = ws + "\\{" + ws + "(?:" + item + "(?:" + "," + ws + item + ")*)?\\}" + ws;
+        metaDataPattern = Pattern.compile(object, Pattern.DOTALL);
+    }
+
+    private final Delivery delivery;
+
+    NodeServlet(Delivery delivery, NodeConfigManager nodeConfigManager) {
+        config = nodeConfigManager;
+        this.delivery = delivery;
     }
 
     /**
-     * Get the NodeConfigurationManager
+     * Get the NodeConfigurationManager.
      */
+    @Override
     public void init() {
-        config = NodeConfigManager.getInstance();
-        logger.info("NODE0101 Node Servlet Configured");
+        eelfLogger.debug("NODE0101 Node Servlet Configured");
     }
 
-    private boolean down(HttpServletResponse resp) throws IOException {
+    private boolean down(HttpServletResponse resp) {
         if (config.isShutdown() || !config.isConfigured()) {
-            resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
-            logger.info("NODE0102 Rejecting request: Service is being quiesced");
-            return (true);
+            sendResponseError(resp, HttpServletResponse.SC_SERVICE_UNAVAILABLE, eelfLogger);
+            eelfLogger.error("NODE0102 Rejecting request: Service is being quiesced");
+            return true;
         }
-        return (false);
+        return false;
     }
 
     /**
-     * Handle a GET for /internal/fetchProv
+     * Handle a GET for /internal/fetchProv.
      */
-    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
         NodeUtils.setIpAndFqdnForEelf("doGet");
-        eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),
-            getIdFromPath(req) + "");
-        if (down(resp)) {
-            return;
-        }
-        String path = req.getPathInfo();
-        String qs = req.getQueryString();
-        String ip = req.getRemoteAddr();
-        if (qs != null) {
-            path = path + "?" + qs;
-        }
-        if ("/internal/fetchProv".equals(path)) {
-            config.gofetch(ip);
-            resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
-            return;
-        } else if (path.startsWith("/internal/resetSubscription/")) {
-            String subid = path.substring(28);
-            if (subid.length() != 0 && subid.indexOf('/') == -1) {
-                NodeMain.resetQueue(subid, ip);
-                resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
+        NodeUtils.setRequestIdAndInvocationId(req);
+        eelfLogger.info(EelfMsgs.ENTRY);
+        try {
+            eelfLogger.debug(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF),
+                getIdFromPath(req) + "");
+            if (down(resp)) {
                 return;
             }
-        }
-        if (internalsubnet.matches(NodeUtils.getInetAddress(ip))) {
-            if (path.startsWith("/internal/logs/")) {
-                String f = path.substring(15);
-                File fn = new File(config.getLogDir() + "/" + f);
-                if (f.indexOf('/') != -1 || !fn.isFile()) {
-                    logger.info("NODE0103 Rejecting invalid GET of " + path + " from " + ip);
-                    resp.sendError(HttpServletResponse.SC_NOT_FOUND);
-                    return;
-                }
-                byte[] buf = new byte[65536];
-                resp.setContentType("text/plain");
-                resp.setContentLength((int) fn.length());
-                resp.setStatus(200);
-                try (InputStream is = new FileInputStream(fn)) {
-                    OutputStream os = resp.getOutputStream();
-                    int i;
-                    while ((i = is.read(buf)) > 0) {
-                        os.write(buf, 0, i);
-                    }
-                }
-                return;
+            String path = req.getPathInfo();
+            String qs = req.getQueryString();
+            String ip = req.getRemoteAddr();
+            if (qs != null) {
+                path = path + "?" + qs;
             }
-            if (path.startsWith("/internal/rtt/")) {
-                String xip = path.substring(14);
-                long st = System.currentTimeMillis();
-                String status = " unknown";
-                try {
-                    Socket s = new Socket(xip, 443);
-                    s.close();
-                    status = " connected";
-                } catch (Exception e) {
-                    status = " error " + e.toString();
-                }
-                long dur = System.currentTimeMillis() - st;
-                resp.setContentType("text/plain");
-                resp.setStatus(200);
-                byte[] buf = (dur + status + "\n").getBytes();
-                resp.setContentLength(buf.length);
-                resp.getOutputStream().write(buf);
+            if ("/internal/fetchProv".equals(path)) {
+                config.gofetch(ip);
+                resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
                 return;
+            } else if (path.startsWith("/internal/resetSubscription/")) {
+                String subid = path.substring(28);
+                if (subid.length() != 0 && subid.indexOf('/') == -1) {
+                    NodeServer.resetQueue(subid, ip);
+                    resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
+                    return;
+                }
             }
+
+            eelfLogger.debug("NODE0103 Rejecting invalid GET of " + path + FROM + ip);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, eelfLogger);
+        } finally {
+            eelfLogger.info(EelfMsgs.EXIT);
         }
-        logger.info("NODE0103 Rejecting invalid GET of " + path + " from " + ip);
-        resp.sendError(HttpServletResponse.SC_NOT_FOUND);
     }
 
     /**
-     * Handle all PUT requests
+     * Handle all PUT requests.
      */
-    protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+    @Override
+    protected void doPut(HttpServletRequest req, HttpServletResponse resp) {
         NodeUtils.setIpAndFqdnForEelf("doPut");
-        eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),
+        NodeUtils.setRequestIdAndInvocationId(req);
+        eelfLogger.info(EelfMsgs.ENTRY);
+        eelfLogger.debug(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF),
             getIdFromPath(req) + "");
-        common(req, resp, true);
+        try {
+            common(req, resp, true);
+        } catch (IOException ioe) {
+            eelfLogger.error(IO_EXCEPTION, ioe);
+            eelfLogger.info(EelfMsgs.EXIT);
+        }
     }
 
     /**
-     * Handle all DELETE requests
+     * Handle all DELETE requests.
      */
-    protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+    @Override
+    protected void doDelete(HttpServletRequest req, HttpServletResponse resp) {
         NodeUtils.setIpAndFqdnForEelf("doDelete");
-        eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),
+        NodeUtils.setRequestIdAndInvocationId(req);
+        eelfLogger.info(EelfMsgs.ENTRY);
+        eelfLogger.debug(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF),
             getIdFromPath(req) + "");
-        common(req, resp, false);
+        try {
+            common(req, resp, false);
+        } catch (IOException ioe) {
+            eelfLogger.error(IO_EXCEPTION, ioe);
+            eelfLogger.info(EelfMsgs.EXIT);
+        }
     }
 
-    private void common(HttpServletRequest req, HttpServletResponse resp, boolean isput)
-        throws ServletException, IOException {
-        if (down(resp)) {
-            return;
-        }
-        if (!req.isSecure()) {
-            logger.info(
-                "NODE0104 Rejecting insecure PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, "https required on publish requests");
-            return;
-        }
-        String fileid = req.getPathInfo();
+    private void common(HttpServletRequest req, HttpServletResponse resp, boolean isput) throws IOException {
+        final String PUBLISH = "/publish/";
+        final String INTERNAL_PUBLISH = "/internal/publish/";
+        final String HTTPS = "https://";
+        final String USER = " user ";
+        String fileid = getFileId(req, resp);
         if (fileid == null) {
-            logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req
-                .getRemoteAddr());
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND,
-                "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
             return;
         }
         String feedid = null;
         String user = null;
+        String ip = req.getRemoteAddr();
+        String lip = req.getLocalAddr();
+        String pubid = null;
+        String rcvd = NodeUtils.logts(System.currentTimeMillis()) + ";from=" + ip + ";by=" + lip;
+        Target[] targets;
+        if (fileid.startsWith("/delete/")) {
+            deleteFile(req, resp, fileid, pubid);
+            return;
+        }
         String credentials = req.getHeader("Authorization");
         if (credentials == null) {
-            logger.info("NODE0106 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo() + " from " + req
+            eelfLogger.error("NODE0306 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo() + FROM + req
                 .getRemoteAddr());
             resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Authorization header required");
+            eelfLogger.info(EelfMsgs.EXIT);
             return;
         }
-        String ip = req.getRemoteAddr();
-        String lip = req.getLocalAddr();
-        String pubid = null;
-        String xpubid = null;
-        String rcvd = NodeUtils.logts(System.currentTimeMillis()) + ";from=" + ip + ";by=" + lip;
-        Target[] targets = null;
-        if (fileid.startsWith("/publish/")) {
+        if (fileid.startsWith(PUBLISH)) {
             fileid = fileid.substring(9);
-            int i = fileid.indexOf('/');
-            if (i == -1 || i == fileid.length() - 1) {
-                logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req
+            int index = fileid.indexOf('/');
+            if (index == -1 || index == fileid.length() - 1) {
+                eelfLogger.error("NODE0205 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + FROM + req
                     .getRemoteAddr());
                 resp.sendError(HttpServletResponse.SC_NOT_FOUND,
                     "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.  Possible missing fileid.");
+                eelfLogger.info(EelfMsgs.EXIT);
                 return;
             }
-            feedid = fileid.substring(0, i);
-            fileid = fileid.substring(i + 1);
+            feedid = fileid.substring(0, index);
+            fileid = fileid.substring(index + 1);
             pubid = config.getPublishId();
-            xpubid = req.getHeader("X-ATT-DR-PUBLISH-ID");
             targets = config.getTargets(feedid);
-        } else if (fileid.startsWith("/internal/publish/")) {
+        } else if (fileid.startsWith(INTERNAL_PUBLISH)) {
             if (!config.isAnotherNode(credentials, ip)) {
-                logger.info("NODE0107 Rejecting unauthorized node-to-node transfer attempt from " + ip);
+                eelfLogger.error("NODE0107 Rejecting unauthorized node-to-node transfer attempt from " + ip);
                 resp.sendError(HttpServletResponse.SC_FORBIDDEN);
+                eelfLogger.info(EelfMsgs.EXIT);
                 return;
             }
             fileid = fileid.substring(18);
-            pubid = req.getHeader("X-ATT-DR-PUBLISH-ID");
-            targets = config.parseRouting(req.getHeader("X-ATT-DR-ROUTING"));
+            pubid = generateAndValidatePublishId(req);
+            targets = config.parseRouting(req.getHeader("X-DMAAP-DR-ROUTING"));
         } else {
-            logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req
+            eelfLogger.error("NODE0204 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + FROM + req
                 .getRemoteAddr());
             resp.sendError(HttpServletResponse.SC_NOT_FOUND,
-                "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
+                INVALID_REQUEST_URI);
+            eelfLogger.info(EelfMsgs.EXIT);
             return;
         }
         if (fileid.indexOf('/') != -1) {
-            logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req
+            eelfLogger.error("NODE0202 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + FROM + req
                 .getRemoteAddr());
             resp.sendError(HttpServletResponse.SC_NOT_FOUND,
-                "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
+                INVALID_REQUEST_URI);
+            eelfLogger.info(EelfMsgs.EXIT);
             return;
         }
         String qs = req.getQueryString();
@@ -275,15 +260,15 @@ public class NodeServlet extends HttpServlet {
         if (xp != 443) {
             hp = hp + ":" + xp;
         }
-        String logurl = "https://" + hp + "/internal/publish/" + fileid;
+        String logurl = HTTPS + hp + INTERNAL_PUBLISH + fileid;
         if (feedid != null) {
-            logurl = "https://" + hp + "/publish/" + feedid + "/" + fileid;
+            logurl = HTTPS + hp + PUBLISH + feedid + "/" + fileid;
             String reason = config.isPublishPermitted(feedid, credentials, ip);
             if (reason != null) {
-                logger.info(
-                    "NODE0111 Rejecting unauthorized publish attempt to feed " + feedid + " fileid " + fileid + " from "
-                        + ip + " reason " + reason);
-                resp.sendError(HttpServletResponse.SC_FORBIDDEN, reason);
+                eelfLogger.info("NODE0111 Rejecting unauthorized publish attempt to feed " + feedid + " fileid "
+                    + fileid + " from " + ip + " reason " + reason);
+                resp.sendError(javax.servlet.http.HttpServletResponse.SC_FORBIDDEN, reason);
+                eelfLogger.info(EelfMsgs.EXIT);
                 return;
             }
             user = config.getAuthUser(feedid, credentials);
@@ -294,55 +279,68 @@ public class NodeServlet extends HttpServlet {
                 if (iport != 443) {
                     port = ":" + iport;
                 }
-                String redirto = "https://" + newnode + port + "/publish/" + feedid + "/" + fileid;
-                logger.info(
-                    "NODE0108 Redirecting publish attempt for feed " + feedid + " user " + user + " ip " + ip + " to "
-                        + redirto);
-                resp.sendRedirect(redirto);
+                String redirto = HTTPS + newnode + port + PUBLISH + feedid + "/" + fileid;
+                eelfLogger
+                    .debug("NODE0108 Redirecting publish attempt for feed " + PathUtil.cleanString(feedid) + USER
+                        + PathUtil.cleanString(user) + " ip " + PathUtil.cleanString(ip) + " to " + PathUtil
+                        .cleanString(redirto));  //Fortify scan fixes - log forging
+                resp.sendRedirect(PathUtil.cleanString(redirto));         //Fortify scan fixes-open redirect - 2 issues
+                eelfLogger.info(EelfMsgs.EXIT);
                 return;
             }
-            resp.setHeader("X-ATT-DR-PUBLISH-ID", pubid);
+            resp.setHeader("X-DMAAP-DR-PUBLISH-ID", pubid);
+        }
+        if (req.getPathInfo().startsWith(INTERNAL_PUBLISH)) {
+            feedid = req.getHeader("X-DMAAP-DR-FEED-ID");
         }
-        String fbase = config.getSpoolDir() + "/" + pubid;
+        String fbase = PathUtil.cleanString(config.getSpoolDir() + "/" + pubid);  //Fortify scan fixes-Path manipulation
         File data = new File(fbase);
         File meta = new File(fbase + ".M");
-        OutputStream dos = null;
         Writer mw = null;
-        InputStream is = null;
         try {
-            StringBuffer mx = new StringBuffer();
+            StringBuilder mx = new StringBuilder();
             mx.append(req.getMethod()).append('\t').append(fileid).append('\n');
-            Enumeration hnames = req.getHeaderNames();
+            Enumeration<String> hnames = req.getHeaderNames();
             String ctype = null;
+            boolean hasRequestIdHeader = false;
+            boolean hasInvocationIdHeader = false;
             while (hnames.hasMoreElements()) {
-                String hn = (String) hnames.nextElement();
+                String hn = hnames.nextElement();
                 String hnlc = hn.toLowerCase();
-                if ((isput && ("content-type".equals(hnlc) ||
-                    "content-language".equals(hnlc) ||
-                    "content-md5".equals(hnlc) ||
-                    "content-range".equals(hnlc))) ||
-                    "x-att-dr-meta".equals(hnlc) ||
-                    (feedid == null && "x-att-dr-received".equals(hnlc)) ||
-                    (hnlc.startsWith("x-") && !hnlc.startsWith("x-att-dr-"))) {
-                    Enumeration hvals = req.getHeaders(hn);
+                if ((isput && ("content-type".equals(hnlc)
+                    || "content-language".equals(hnlc)
+                    || "content-md5".equals(hnlc)
+                    || "content-range".equals(hnlc)))
+                    || "x-dmaap-dr-meta".equals(hnlc)
+                    || (feedid == null && "x-dmaap-dr-received".equals(hnlc))
+                    || (hnlc.startsWith("x-") && !hnlc.startsWith("x-dmaap-dr-"))) {
+                    Enumeration<String> hvals = req.getHeaders(hn);
                     while (hvals.hasMoreElements()) {
-                        String hv = (String) hvals.nextElement();
+                        String hv = hvals.nextElement();
                         if ("content-type".equals(hnlc)) {
                             ctype = hv;
                         }
-                        if ("x-att-dr-meta".equals(hnlc)) {
+                        if ("x-onap-requestid".equals(hnlc)) {
+                            hasRequestIdHeader = true;
+                        }
+                        if ("x-invocationid".equals(hnlc)) {
+                            hasInvocationIdHeader = true;
+                        }
+                        if ("x-dmaap-dr-meta".equals(hnlc)) {
                             if (hv.length() > 4096) {
-                                logger.info(
-                                    "NODE0109 Rejecting publish attempt with metadata too long for feed " + feedid
-                                        + " user " + user + " ip " + ip);
+                                eelfLogger.error("NODE0109 Rejecting publish attempt with metadata too long for feed "
+                                    + PathUtil.cleanString(feedid) + USER + PathUtil.cleanString(user) + " ip "
+                                    + PathUtil.cleanString(ip));  //Fortify scan fixes - log forging
                                 resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Metadata too long");
+                                eelfLogger.info(EelfMsgs.EXIT);
                                 return;
                             }
-                            if (!MetaDataPattern.matcher(hv.replaceAll("\\\\.", "X")).matches()) {
-                                logger.info(
-                                    "NODE0109 Rejecting publish attempt with malformed metadata for feed " + feedid
-                                        + " user " + user + " ip " + ip);
+                            if (!metaDataPattern.matcher(hv.replaceAll("\\\\.", "X")).matches()) {
+                                eelfLogger.error("NODE0109 Rejecting publish attempt with malformed metadata for feed "
+                                    + PathUtil.cleanString(feedid) + USER + PathUtil.cleanString(user) + " ip "
+                                    + PathUtil.cleanString(ip));  //Fortify scan fixes - log forging
                                 resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Malformed metadata");
+                                eelfLogger.info(EelfMsgs.EXIT);
                                 return;
                             }
                         }
@@ -350,86 +348,202 @@ public class NodeServlet extends HttpServlet {
                     }
                 }
             }
-            mx.append("X-ATT-DR-RECEIVED\t").append(rcvd).append('\n');
+            if (!hasRequestIdHeader) {
+                mx.append("X-ONAP-RequestID\t").append(MDC.get("RequestId")).append('\n');
+            }
+            if (!hasInvocationIdHeader) {
+                mx.append("X-InvocationID\t").append(MDC.get("InvocationId")).append('\n');
+            }
+            mx.append("X-DMAAP-DR-RECEIVED\t").append(rcvd).append('\n');
             String metadata = mx.toString();
-            byte[] buf = new byte[1024 * 1024];
-            int i;
-            try {
-                is = req.getInputStream();
-                dos = new FileOutputStream(data);
-                while ((i = is.read(buf)) > 0) {
-                    dos.write(buf, 0, i);
-                }
-                is.close();
-                is = null;
-                dos.close();
-                dos = null;
-            } catch (IOException ioe) {
-                long exlen = -1;
-                try {
-                    exlen = Long.parseLong(req.getHeader("Content-Length"));
-                } catch (Exception e) {
-                }
+            long exlen = getExlen(req);
+            String message = writeInputStreamToFile(req, data);
+            if (message != null) {
                 StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user,
-                    ioe.getMessage());
-                throw ioe;
+                    message);
+                throw new IOException(message);
             }
             Path dpath = Paths.get(fbase);
             for (Target t : targets) {
                 DestInfo di = t.getDestInfo();
                 if (di == null) {
-                    // TODO: unknown destination
+                    //Handle this? : unknown destination
                     continue;
                 }
-                String dbase = di.getSpool() + "/" + pubid;
+                String dbase = PathUtil
+                    .cleanString(di.getSpool() + "/" + pubid);  //Fortify scan fixes-Path Manipulation
                 Files.createLink(Paths.get(dbase), dpath);
                 mw = new FileWriter(meta);
                 mw.write(metadata);
                 if (di.getSubId() == null) {
-                    mw.write("X-ATT-DR-ROUTING\t" + t.getRouting() + "\n");
+                    mw.write("X-DMAAP-DR-ROUTING\t" + t.getRouting() + "\n");
                 }
                 mw.close();
-                meta.renameTo(new File(dbase + ".M"));
+                if (!meta.renameTo(new File(dbase + ".M"))) {
+                    eelfLogger.error("Rename of file " + dbase + " failed.");
+                }
             }
             resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
-            resp.getOutputStream().close();
+            try {
+                resp.getOutputStream().close();
+            } catch (IOException ioe) {
+                StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user,
+                    ioe.getMessage());
+                //Fortify scan fixes - log forging
+                eelfLogger.error("NODE0110 IO Exception while closing IO stream " + PathUtil.cleanString(feedid)
+                    + USER + PathUtil.cleanString(user) + " ip " + PathUtil.cleanString(ip) + " " + ioe
+                    .toString(), ioe);
+                throw ioe;
+            }
+
             StatusLog.logPub(pubid, feedid, logurl, req.getMethod(), ctype, data.length(), ip, user,
                 HttpServletResponse.SC_NO_CONTENT);
         } catch (IOException ioe) {
-            logger.info(
-                "NODE0110 IO Exception receiving publish attempt for feed " + feedid + " user " + user + " ip " + ip
-                    + " " + ioe.toString(), ioe);
+            eelfLogger.error("NODE0110 IO Exception receiving publish attempt for feed " + feedid + USER + user
+                + " ip " + ip + " " + ioe.toString(), ioe);
+            eelfLogger.info(EelfMsgs.EXIT);
             throw ioe;
         } finally {
-            if (is != null) {
-                try {
-                    is.close();
-                } catch (Exception e) {
-                }
-            }
-            if (dos != null) {
-                try {
-                    dos.close();
-                } catch (Exception e) {
-                }
-            }
             if (mw != null) {
                 try {
                     mw.close();
                 } catch (Exception e) {
+                    eelfLogger.error("NODE0532 Exception common: " + e);
                 }
             }
             try {
-                data.delete();
+                Files.delete(data.toPath());
+                Files.delete(meta.toPath());
             } catch (Exception e) {
+                eelfLogger.error("NODE0533 Exception common: " + e);
             }
-            try {
-                meta.delete();
-            } catch (Exception e) {
+        }
+    }
+
+    private String generateAndValidatePublishId(HttpServletRequest req) throws IOException {
+        String newPubId = req.getHeader("X-DMAAP-DR-PUBLISH-ID");
+
+        String regex = ".*";
+
+        if(newPubId.matches(regex)){
+            return newPubId;
+        }
+        throw new IOException("Invalid Header X-DMAAP-DR-PUBLISH-ID");
+    }
+
+    private String writeInputStreamToFile(HttpServletRequest req, File data) {
+        byte[] buf = new byte[1024 * 1024];
+        int bytesRead;
+        try (OutputStream dos = new FileOutputStream(data);
+            InputStream is = req.getInputStream()) {
+            while ((bytesRead = is.read(buf)) > 0) {
+                dos.write(buf, 0, bytesRead);
             }
+        } catch (IOException ioe) {
+            eelfLogger.error("NODE0530 Exception common: " + ioe, ioe);
+            eelfLogger.info(EelfMsgs.EXIT);
+            return ioe.getMessage();
+        }
+        return null;
+    }
+
+    private long getExlen(HttpServletRequest req) {
+        long exlen = -1;
+        try {
+            exlen = Long.parseLong(req.getHeader("Content-Length"));
+        } catch (Exception e) {
+            eelfLogger.error("NODE0529 Exception common: " + e);
+        }
+        return exlen;
+    }
+
+    private void deleteFile(HttpServletRequest req, HttpServletResponse resp, String fileid, String pubid) {
+        final String FROM_DR_MESSAGE = ".M) from DR Node: ";
+        try {
+            fileid = fileid.substring(8);
+            int index = fileid.indexOf('/');
+            if (index == -1 || index == fileid.length() - 1) {
+                eelfLogger.error("NODE0112 Rejecting bad URI for DELETE of " + req.getPathInfo() + FROM + req
+                    .getRemoteAddr());
+                resp.sendError(HttpServletResponse.SC_NOT_FOUND,
+                    "Invalid request URI. Expecting <subId>/<pubId>.");
+                eelfLogger.info(EelfMsgs.EXIT);
+                return;
+            }
+            String subscriptionId = fileid.substring(0, index);
+            int subId = Integer.parseInt(subscriptionId);
+            pubid = fileid.substring(index + 1);
+            String errorMessage = "Unable to delete files (" + pubid + ", " + pubid + FROM_DR_MESSAGE
+                + config.getMyName() + ".";
+            int subIdDir = subId - (subId % 100);
+            if (!isAuthorizedToDelete(resp, subscriptionId, errorMessage)) {
+                return;
+            }
+            boolean result = delivery.markTaskSuccess(config.getSpoolBase() + "/s/" + subIdDir + "/" + subId, pubid);
+            if (result) {
+                eelfLogger.debug("NODE0115 Successfully deleted files (" + pubid + ", " + pubid + FROM_DR_MESSAGE
+                    + config.getMyName());
+                resp.setStatus(HttpServletResponse.SC_OK);
+                eelfLogger.info(EelfMsgs.EXIT);
+            } else {
+                eelfLogger.error("NODE0116 " + errorMessage);
+                resp.sendError(HttpServletResponse.SC_NOT_FOUND, "File not found on server.");
+                eelfLogger.info(EelfMsgs.EXIT);
+            }
+        } catch (IOException ioe) {
+            eelfLogger.error("NODE0117 Unable to delete files (" + pubid + ", " + pubid + FROM_DR_MESSAGE
+                + config.getMyName(), ioe);
+            eelfLogger.info(EelfMsgs.EXIT);
         }
     }
 
+    @Nullable
+    private String getFileId(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+        if (down(resp)) {
+            eelfLogger.info(EelfMsgs.EXIT);
+            return null;
+        }
+        if (!req.isSecure() && config.isTlsEnabled()) {
+            eelfLogger.error(
+                "NODE0104 Rejecting insecure PUT or DELETE of " + req.getPathInfo() + FROM + req
+                    .getRemoteAddr());
+            resp.sendError(HttpServletResponse.SC_FORBIDDEN, "https required on publish requests");
+            eelfLogger.info(EelfMsgs.EXIT);
+            return null;
+        }
+        String fileid = req.getPathInfo();
+        if (fileid == null) {
+            eelfLogger.error("NODE0201 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + FROM + req
+                .getRemoteAddr());
+            resp.sendError(HttpServletResponse.SC_NOT_FOUND,
+                INVALID_REQUEST_URI);
+            eelfLogger.info(EelfMsgs.EXIT);
+            return null;
+        }
+        return fileid;
+    }
+
+    private boolean isAuthorizedToDelete(HttpServletResponse resp, String subscriptionId, String errorMessage)
+        throws IOException {
+        try {
+            boolean deletePermitted = config.isDeletePermitted(subscriptionId);
+            if (!deletePermitted) {
+                eelfLogger.error("NODE0113 " + errorMessage + " Error: Subscription "
+                    + subscriptionId + " is not a privileged subscription");
+                resp.sendError(HttpServletResponse.SC_UNAUTHORIZED);
+                eelfLogger.info(EelfMsgs.EXIT);
+                return false;
+            }
+        } catch (NullPointerException npe) {
+            eelfLogger.error("NODE0114 " + errorMessage + " Error: Subscription " + subscriptionId
+                + " does not exist", npe);
+            resp.sendError(HttpServletResponse.SC_NOT_FOUND);
+            eelfLogger.info(EelfMsgs.EXIT);
+            return false;
+        }
+        return true;
+    }
+
     private int getIdFromPath(HttpServletRequest req) {
         String path = req.getPathInfo();
         if (path == null || path.length() < 2) {
@@ -441,4 +555,88 @@ public class NodeServlet extends HttpServlet {
             return -1;
         }
     }
+
+    /**
+     * Utility class that validates the path url formed from
+     * the string passed in the request parameters.
+     */
+    static class PathUtil {
+
+        private PathUtil() {
+            throw new IllegalStateException("Utility Class");
+        }
+
+        /**
+         * This method takes String as the parameter and return the filtered path string.
+         *
+         * @param string String to clean
+         * @return A cleaned String
+         */
+        static String cleanString(String string) {
+            if (string == null) {
+                return null;
+            }
+            StringBuilder cleanString = new StringBuilder();
+            for (int i = 0; i < string.length(); ++i) {
+                cleanString.append(cleanChar(string.charAt(i)));
+            }
+            return cleanString.toString();
+        }
+
+        /**
+         * This method filters the valid special characters in path string.
+         *
+         * @param character The char to be cleaned
+         * @return The cleaned char
+         */
+        private static char cleanChar(char character) {
+            // 0 - 9
+            for (int i = 48; i < 58; ++i) {
+                if (character == i) {
+                    return (char) i;
+                }
+            }
+            // 'A' - 'Z'
+            for (int i = 65; i < 91; ++i) {
+                if (character == i) {
+                    return (char) i;
+                }
+            }
+            // 'a' - 'z'
+            for (int i = 97; i < 123; ++i) {
+                if (character == i) {
+                    return (char) i;
+                }
+            }
+            return getValidCharacter(character);
+        }
+
+        private static char getValidCharacter(char character) {
+            // other valid characters
+            switch (character) {
+                case '/':
+                    return '/';
+                case '.':
+                    return '.';
+                case '-':
+                    return '-';
+                case ':':
+                    return ':';
+                case '?':
+                    return '?';
+                case '&':
+                    return '&';
+                case '=':
+                    return '=';
+                case '#':
+                    return '#';
+                case '_':
+                    return '_';
+                case ' ':
+                    return ' ';
+                default:
+                    return '%';
+            }
+        }
+    }
 }