Logging changes and unit tests
[dmaap/datarouter.git] / datarouter-node / src / main / java / org / onap / dmaap / datarouter / node / NodeServlet.java
index eae7ca0..163b59e 100644 (file)
-/*******************************************************************************\r
- * ============LICENSE_START==================================================\r
- * * org.onap.dmaap\r
- * * ===========================================================================\r
- * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
- * * ===========================================================================\r
- * * Licensed under the Apache License, Version 2.0 (the "License");\r
- * * you may not use this file except in compliance with the License.\r
- * * You may obtain a copy of the License at\r
- * * \r
- *  *      http://www.apache.org/licenses/LICENSE-2.0\r
- * * \r
- *  * Unless required by applicable law or agreed to in writing, software\r
- * * distributed under the License is distributed on an "AS IS" BASIS,\r
- * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * * See the License for the specific language governing permissions and\r
- * * limitations under the License.\r
- * * ============LICENSE_END====================================================\r
- * *\r
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
- * *\r
- ******************************************************************************/\r
-\r
-\r
-package org.onap.dmaap.datarouter.node;\r
-\r
-import javax.servlet.*;\r
-import javax.servlet.http.*;\r
-import java.util.*;\r
-import java.util.regex.*;\r
-import java.io.*;\r
-import java.nio.file.*;\r
-import org.apache.log4j.Logger;\r
-import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;\r
-\r
-import com.att.eelf.configuration.EELFLogger;\r
-import com.att.eelf.configuration.EELFManager;\r
-\r
-import java.net.*;\r
-\r
-/**\r
- *     Servlet for handling all http and https requests to the data router node\r
- *     <p>\r
- *     Handled requests are:\r
- *     <br>\r
- *     GET http://<i>node</i>/internal/fetchProv - fetch the provisioning data\r
- *     <br>\r
- *     PUT/DELETE https://<i>node</i>/internal/publish/<i>fileid</i> - n2n transfer\r
- *     <br>\r
- *     PUT/DELETE https://<i>node</i>/publish/<i>feedid</i>/<i>fileid</i> - publsh request\r
- */\r
-public class NodeServlet extends HttpServlet   {\r
-       private static Logger logger = Logger.getLogger("org.onap.dmaap.datarouter.node.NodeServlet");\r
-       private static NodeConfigManager        config;\r
-       private static Pattern  MetaDataPattern;\r
-       private static SubnetMatcher internalsubnet = new SubnetMatcher("135.207.136.128/25");\r
-       //Adding EELF Logger Rally:US664892  \r
-    private static EELFLogger eelflogger = EELFManager.getInstance().getLogger("org.onap.dmaap.datarouter.node.NodeServlet");\r
-\r
-       static {\r
-               try {\r
-                       String ws = "\\s*";\r
-                       // assume that \\ and \" have been replaced by X\r
-                       String string = "\"[^\"]*\"";\r
-                       //String string = "\"(?:[^\"\\\\]|\\\\.)*\"";\r
-                       String number = "[+-]?(?:\\.\\d+|(?:0|[1-9]\\d*)(?:\\.\\d*)?)(?:[eE][+-]?\\d+)?";\r
-                       String value = "(?:" + string + "|" + number + "|null|true|false)";\r
-                       String item = string + ws + ":" + ws + value + ws;\r
-                       String object = ws + "\\{" + ws + "(?:" + item + "(?:" + "," + ws + item + ")*)?\\}" + ws;\r
-                       MetaDataPattern = Pattern.compile(object, Pattern.DOTALL);\r
-               } catch (Exception e) {\r
-               }\r
-       }\r
-       /**\r
-        *      Get the NodeConfigurationManager\r
-        */\r
-       public void init() {\r
-               config = NodeConfigManager.getInstance();\r
-               logger.info("NODE0101 Node Servlet Configured");\r
-       }\r
-       private boolean down(HttpServletResponse resp) throws IOException {\r
-               if (config.isShutdown() || !config.isConfigured()) {\r
-                       resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);\r
-                       logger.info("NODE0102 Rejecting request: Service is being quiesced");\r
-                       return(true);\r
-               }\r
-               return(false);\r
-       }\r
-       /**\r
-        *      Handle a GET for /internal/fetchProv\r
-        */\r
-       protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {\r
-               NodeUtils.setIpAndFqdnForEelf("doGet");\r
-               eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),getIdFromPath(req)+"");\r
-               if (down(resp)) {\r
-                       return;\r
-               }\r
-               String path = req.getPathInfo();\r
-               String qs = req.getQueryString();\r
-               String ip = req.getRemoteAddr();\r
-               if (qs != null) {\r
-                       path = path + "?" + qs;\r
-               }\r
-               if ("/internal/fetchProv".equals(path)) {\r
-                       config.gofetch(ip);\r
-                       resp.setStatus(HttpServletResponse.SC_NO_CONTENT);\r
-                       return;\r
-               } else if (path.startsWith("/internal/resetSubscription/")) {\r
-                       String subid = path.substring(28);\r
-                       if (subid.length() != 0 && subid.indexOf('/') == -1) {\r
-                               NodeMain.resetQueue(subid, ip);\r
-                               resp.setStatus(HttpServletResponse.SC_NO_CONTENT);\r
-                               return;\r
-                       }\r
-               }\r
-               if (internalsubnet.matches(NodeUtils.getInetAddress(ip))) {\r
-                       if (path.startsWith("/internal/logs/")) {\r
-                               String f = path.substring(15);\r
-                               File fn = new File(config.getLogDir() + "/" + f);\r
-                               if (f.indexOf('/') != -1 || !fn.isFile()) {\r
-                                       logger.info("NODE0103 Rejecting invalid GET of " + path + " from " + ip);\r
-                                       resp.sendError(HttpServletResponse.SC_NOT_FOUND);\r
-                                       return;\r
-                               }\r
-                               byte[] buf = new byte[65536];\r
-                               resp.setContentType("text/plain");\r
-                               resp.setContentLength((int)fn.length());\r
-                               resp.setStatus(200);\r
-                               InputStream is = new FileInputStream(fn);\r
-                               OutputStream os = resp.getOutputStream();\r
-                               int i;\r
-                               while ((i = is.read(buf)) > 0) {\r
-                                       os.write(buf, 0, i);\r
-                               }\r
-                               is.close();\r
-                               return;\r
-                       }\r
-                       if (path.startsWith("/internal/rtt/")) {\r
-                               String xip = path.substring(14);\r
-                               long st = System.currentTimeMillis();\r
-                               String status = " unknown";\r
-                               try {\r
-                                       Socket s = new Socket(xip, 443);\r
-                                       s.close();\r
-                                       status = " connected";\r
-                               } catch (Exception e) {\r
-                                       status = " error " + e.toString();\r
-                               }\r
-                               long dur = System.currentTimeMillis() - st;\r
-                               resp.setContentType("text/plain");\r
-                               resp.setStatus(200);\r
-                               byte[] buf = (dur + status + "\n").getBytes();\r
-                               resp.setContentLength(buf.length);\r
-                               resp.getOutputStream().write(buf);\r
-                               return;\r
-                       }\r
-               }\r
-               logger.info("NODE0103 Rejecting invalid GET of " + path + " from " + ip);\r
-               resp.sendError(HttpServletResponse.SC_NOT_FOUND);\r
-               return;\r
-       }\r
-       /**\r
-        *      Handle all PUT requests\r
-        */\r
-       protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {\r
-               NodeUtils.setIpAndFqdnForEelf("doPut");\r
-               eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),getIdFromPath(req)+"");\r
-               common(req, resp, true);\r
-       }\r
-       /**\r
-        *      Handle all DELETE requests\r
-        */\r
-       protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {\r
-               NodeUtils.setIpAndFqdnForEelf("doDelete");\r
-               eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),getIdFromPath(req)+"");\r
-               common(req, resp, false);\r
-       }\r
-       private void common(HttpServletRequest req, HttpServletResponse resp, boolean isput) throws ServletException, IOException {\r
-               if (down(resp)) {\r
-                       return;\r
-               }\r
-               if (!req.isSecure()) {\r
-                       logger.info("NODE0104 Rejecting insecure PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
-                       resp.sendError(HttpServletResponse.SC_FORBIDDEN, "https required on publish requests");\r
-                       return;\r
-               }\r
-               String fileid = req.getPathInfo();\r
-               if (fileid == null) {\r
-                       logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
-                       resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");\r
-                       return;\r
-               }\r
-               String feedid = null;\r
-               String user = null;\r
-               String credentials = req.getHeader("Authorization");\r
-               if (credentials == null) {\r
-                       logger.info("NODE0106 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
-                       resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Authorization header required");\r
-                       return;\r
-               }\r
-               String ip = req.getRemoteAddr();\r
-               String lip = req.getLocalAddr();\r
-               String pubid = null;\r
-               String xpubid = null;\r
-               String rcvd = NodeUtils.logts(System.currentTimeMillis()) + ";from=" + ip + ";by=" + lip;\r
-               Target[]        targets = null;\r
-               if (fileid.startsWith("/publish/")) {\r
-                       fileid = fileid.substring(9);\r
-                       int i = fileid.indexOf('/');\r
-                       if (i == -1 || i == fileid.length() - 1) {\r
-                               logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
-                               resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.  Possible missing fileid.");\r
-                               return;\r
-                       }\r
-                       feedid = fileid.substring(0, i);\r
-                       fileid = fileid.substring(i + 1);\r
-                       pubid = config.getPublishId();\r
-                       xpubid = req.getHeader("X-ATT-DR-PUBLISH-ID");\r
-                       targets = config.getTargets(feedid);\r
-               } else if (fileid.startsWith("/internal/publish/")) {\r
-                       if (!config.isAnotherNode(credentials, ip)) {\r
-                               logger.info("NODE0107 Rejecting unauthorized node-to-node transfer attempt from " + ip);\r
-                               resp.sendError(HttpServletResponse.SC_FORBIDDEN);\r
-                               return;\r
-                       }\r
-                       fileid = fileid.substring(18);\r
-                       pubid = req.getHeader("X-ATT-DR-PUBLISH-ID");\r
-                       targets = config.parseRouting(req.getHeader("X-ATT-DR-ROUTING"));\r
-               } else {\r
-                       logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
-                       resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");\r
-                       return;\r
-               }\r
-               if (fileid.indexOf('/') != -1) {\r
-                       logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
-                       resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");\r
-                       return;\r
-               }\r
-               String qs = req.getQueryString();\r
-               if (qs != null) {\r
-                       fileid = fileid + "?" + qs;\r
-               }\r
-               String hp = config.getMyName();\r
-               int xp = config.getExtHttpsPort();\r
-               if (xp != 443) {\r
-                       hp = hp + ":" + xp;\r
-               }\r
-               String logurl = "https://" + hp + "/internal/publish/" + fileid;\r
-               if (feedid != null) {\r
-                       logurl = "https://" + hp + "/publish/" + feedid + "/" + fileid;\r
-                       String reason = config.isPublishPermitted(feedid, credentials, ip);\r
-                       if (reason != null) {\r
-                               logger.info("NODE0111 Rejecting unauthorized publish attempt to feed " + feedid + " fileid " + fileid + " from " + ip + " reason " + reason);\r
-                               resp.sendError(HttpServletResponse.SC_FORBIDDEN,reason);\r
-                               return;\r
-                       }\r
-                       user = config.getAuthUser(feedid, credentials);\r
-                       String newnode = config.getIngressNode(feedid, user, ip);\r
-                       if (newnode != null) {\r
-                               String port = "";\r
-                               int iport = config.getExtHttpsPort();\r
-                               if (iport != 443) {\r
-                                       port = ":" + iport;\r
-                               }\r
-                               String redirto = "https://" + newnode + port + "/publish/" + feedid + "/" + fileid;\r
-                               logger.info("NODE0108 Redirecting publish attempt for feed " + feedid + " user " + user + " ip " + ip + " to " + redirto);\r
-                               resp.sendRedirect(redirto);\r
-                               return;\r
-                       }\r
-                       resp.setHeader("X-ATT-DR-PUBLISH-ID", pubid);\r
-               }\r
-               String fbase = config.getSpoolDir() + "/" + pubid;\r
-               File data = new File(fbase);\r
-               File meta = new File(fbase + ".M");\r
-               OutputStream dos = null;\r
-               Writer mw = null;\r
-               InputStream is = null;\r
-               try {\r
-                       StringBuffer mx = new StringBuffer();\r
-                       mx.append(req.getMethod()).append('\t').append(fileid).append('\n');\r
-                       Enumeration hnames = req.getHeaderNames();\r
-                       String ctype = null;\r
-                       while (hnames.hasMoreElements()) {\r
-                               String hn = (String)hnames.nextElement();\r
-                               String hnlc = hn.toLowerCase();\r
-                               if ((isput && ("content-type".equals(hnlc) ||\r
-                                   "content-language".equals(hnlc) ||\r
-                                   "content-md5".equals(hnlc) ||\r
-                                   "content-range".equals(hnlc))) ||\r
-                                   "x-att-dr-meta".equals(hnlc) ||\r
-                                   (feedid == null && "x-att-dr-received".equals(hnlc)) ||\r
-                                   (hnlc.startsWith("x-") && !hnlc.startsWith("x-att-dr-"))) {\r
-                                       Enumeration hvals = req.getHeaders(hn);\r
-                                       while (hvals.hasMoreElements()) {\r
-                                               String hv = (String)hvals.nextElement();\r
-                                               if ("content-type".equals(hnlc)) {\r
-                                                       ctype = hv;\r
-                                               }\r
-                                               if ("x-att-dr-meta".equals(hnlc)) {\r
-                                                       if (hv.length() > 4096) {\r
-                                                               logger.info("NODE0109 Rejecting publish attempt with metadata too long for feed " + feedid + " user " + user + " ip " + ip);\r
-                                                               resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Metadata too long");\r
-                                                               return;\r
-                                                       }\r
-                                                       if (!MetaDataPattern.matcher(hv.replaceAll("\\\\.", "X")).matches()) {\r
-                                                               logger.info("NODE0109 Rejecting publish attempt with malformed metadata for feed " + feedid + " user " + user + " ip " + ip);\r
-                                                               resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Malformed metadata");\r
-                                                               return;\r
-                                                       }\r
-                                               }\r
-                                               mx.append(hn).append('\t').append(hv).append('\n');\r
-                                       }\r
-                               }\r
-                       }\r
-                       mx.append("X-ATT-DR-RECEIVED\t").append(rcvd).append('\n');\r
-                       String metadata = mx.toString();\r
-                       byte[] buf = new byte[1024 * 1024];\r
-                       int i;\r
-                       try {\r
-                               is = req.getInputStream();\r
-                               dos = new FileOutputStream(data);\r
-                               while ((i = is.read(buf)) > 0) {\r
-                                       dos.write(buf, 0, i);\r
-                               }\r
-                               is.close();\r
-                               is = null;\r
-                               dos.close();\r
-                               dos = null;\r
-                       } catch (IOException ioe) {\r
-                               long exlen = -1;\r
-                               try {\r
-                                       exlen = Long.parseLong(req.getHeader("Content-Length"));\r
-                               } catch (Exception e) {\r
-                               }\r
-                               StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user, ioe.getMessage());\r
-                               throw ioe;\r
-                       }\r
-                       Path dpath = Paths.get(fbase);\r
-                       for (Target t: targets) {\r
-                               DestInfo di = t.getDestInfo();\r
-                               if (di == null) {\r
-                                       // TODO: unknown destination\r
-                                       continue;\r
-                               }\r
-                               String dbase = di.getSpool() + "/" + pubid;\r
-                               Files.createLink(Paths.get(dbase), dpath);\r
-                               mw = new FileWriter(meta);\r
-                               mw.write(metadata);\r
-                               if (di.getSubId() == null) {\r
-                                       mw.write("X-ATT-DR-ROUTING\t" + t.getRouting() + "\n");\r
-                               }\r
-                               mw.close();\r
-                               meta.renameTo(new File(dbase + ".M"));\r
-                       }\r
-                       resp.setStatus(HttpServletResponse.SC_NO_CONTENT);\r
-                       resp.getOutputStream().close();\r
-                       StatusLog.logPub(pubid, feedid, logurl, req.getMethod(), ctype, data.length(), ip, user, HttpServletResponse.SC_NO_CONTENT);\r
-               } catch (IOException ioe) {\r
-                       logger.info("NODE0110 IO Exception receiving publish attempt for feed " + feedid + " user " + user + " ip " + ip + " " + ioe.toString(), ioe);\r
-                       throw ioe;\r
-               } finally {\r
-                       if (is != null) { try { is.close(); } catch (Exception e) {}}\r
-                       if (dos != null) { try { dos.close(); } catch (Exception e) {}}\r
-                       if (mw != null) { try { mw.close(); } catch (Exception e) {}}\r
-                       try { data.delete(); } catch (Exception e) {}\r
-                       try { meta.delete(); } catch (Exception e) {}\r
-               }\r
-       }\r
-       \r
-       private int getIdFromPath(HttpServletRequest req) {\r
-               String path = req.getPathInfo();\r
-               if (path == null || path.length() < 2)\r
-                       return -1;\r
-               try {\r
-                       return Integer.parseInt(path.substring(1));\r
-               } catch (NumberFormatException e) {\r
-                       return -1;\r
-               }\r
-       }\r
-}\r
+/*******************************************************************************
+ * ============LICENSE_START==================================================
+ * * org.onap.dmaap
+ * * ===========================================================================
+ * * Copyright © 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====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+
+
+package org.onap.dmaap.datarouter.node;
+
+import static org.onap.dmaap.datarouter.node.NodeUtils.sendResponseError;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import java.io.File;
+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.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.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.jetbrains.annotations.Nullable;
+import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;
+import org.slf4j.MDC;
+
+/**
+ * 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>
+ * PUT/DELETE https://<i>node</i>/internal/publish/<i>fileid</i> - n2n transfer
+ * <br>
+ * PUT/DELETE https://<i>node</i>/publish/<i>feedid</i>/<i>fileid</i> - publsh request
+ */
+public class NodeServlet extends HttpServlet {
+
+    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 static NodeConfigManager config;
+    private static Pattern metaDataPattern;
+    private static EELFLogger eelfLogger = EELFManager.getInstance().getLogger(NodeServlet.class);
+
+    static {
+        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) {
+        this.delivery = delivery;
+    }
+
+    /**
+     * Get the NodeConfigurationManager.
+     */
+    @Override
+    public void init() {
+        config = NodeConfigManager.getInstance();
+        eelfLogger.debug("NODE0101 Node Servlet Configured");
+    }
+
+    private boolean down(HttpServletResponse resp) {
+        if (config.isShutdown() || !config.isConfigured()) {
+            sendResponseError(resp, HttpServletResponse.SC_SERVICE_UNAVAILABLE, eelfLogger);
+            eelfLogger.error("NODE0102 Rejecting request: Service is being quiesced");
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Handle a GET for /internal/fetchProv.
+     */
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
+        NodeUtils.setIpAndFqdnForEelf("doGet");
+        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;
+            }
+            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);
+                    return;
+                }
+            }
+
+            eelfLogger.debug("NODE0103 Rejecting invalid GET of " + path + FROM + ip);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, eelfLogger);
+        } finally {
+            eelfLogger.info(EelfMsgs.EXIT);
+        }
+    }
+
+    /**
+     * Handle all PUT requests.
+     */
+    @Override
+    protected void doPut(HttpServletRequest req, HttpServletResponse resp) {
+        NodeUtils.setIpAndFqdnForEelf("doPut");
+        NodeUtils.setRequestIdAndInvocationId(req);
+        eelfLogger.info(EelfMsgs.ENTRY);
+        eelfLogger.debug(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF),
+                getIdFromPath(req) + "");
+        try {
+            common(req, resp, true);
+        } catch (IOException ioe) {
+            eelfLogger.error(IO_EXCEPTION, ioe);
+            eelfLogger.info(EelfMsgs.EXIT);
+        }
+    }
+
+    /**
+     * Handle all DELETE requests.
+     */
+    @Override
+    protected void doDelete(HttpServletRequest req, HttpServletResponse resp) {
+        NodeUtils.setIpAndFqdnForEelf("doDelete");
+        NodeUtils.setRequestIdAndInvocationId(req);
+        eelfLogger.info(EelfMsgs.ENTRY);
+        eelfLogger.debug(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF),
+                getIdFromPath(req) + "");
+        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 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) {
+            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 = null;
+        boolean isAAFFeed = false;
+        if (fileid.startsWith("/delete/")) {
+            deleteFile(req, resp, fileid, pubid);
+            return;
+        }
+        String credentials = req.getHeader("Authorization");
+        if (credentials == null) {
+            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;
+        }
+        if (fileid.startsWith(PUBLISH)) {
+            fileid = fileid.substring(9);
+            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, index);
+
+            if (config.getCadiEnabled()) {
+                String path = req.getPathInfo();
+                if (!path.startsWith("/internal") && feedid != null) {
+                    String aafInstance = config.getAafInstance(feedid);
+                    if (!("legacy".equalsIgnoreCase(aafInstance))) {
+                        isAAFFeed = true;
+                        String permission = config.getPermission(aafInstance);
+                        eelfLogger.debug("NodeServlet.common() permission string - " + permission);
+                        //Check in CADI Framework API if user has AAF permission or not
+                        if (!req.isUserInRole(permission)) {
+                            String message = "AAF disallows access to permission string - " + permission;
+                            eelfLogger.error("NODE0307 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo()
+                                    + FROM + req.getRemoteAddr());
+                            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+                            eelfLogger.info(EelfMsgs.EXIT);
+                            return;
+                        }
+                    }
+                }
+            }
+
+            fileid = fileid.substring(index + 1);
+            pubid = config.getPublishId();
+            targets = config.getTargets(feedid);
+        } else if (fileid.startsWith(INTERNAL_PUBLISH)) {
+            if (!config.isAnotherNode(credentials, 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-DMAAP-DR-PUBLISH-ID");
+            user = "datartr";   // SP6 : Added usr as datartr to avoid null entries for internal routing
+            targets = config.parseRouting(req.getHeader("X-DMAAP-DR-ROUTING"));
+        } else {
+            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);
+            eelfLogger.info(EelfMsgs.EXIT);
+            return;
+        }
+        if (fileid.indexOf('/') != -1) {
+            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);
+            eelfLogger.info(EelfMsgs.EXIT);
+            return;
+        }
+        String qs = req.getQueryString();
+        if (qs != null) {
+            fileid = fileid + "?" + qs;
+        }
+        String hp = config.getMyName();
+        int xp = config.getExtHttpsPort();
+        if (xp != 443) {
+            hp = hp + ":" + xp;
+        }
+        String logurl = HTTPS + hp + INTERNAL_PUBLISH + fileid;
+        if (feedid != null) {
+            logurl = HTTPS + hp + PUBLISH + feedid + "/" + fileid;
+            //Cadi code starts
+            if (!isAAFFeed) {
+                String reason = config.isPublishPermitted(feedid, credentials, ip);
+                if (reason != null) {
+                    eelfLogger.error("NODE0111 Rejecting unauthorized publish attempt to feed " + PathUtil
+                            .cleanString(feedid) + " fileid " + PathUtil.cleanString(fileid) + FROM + PathUtil
+                            .cleanString(ip) + " reason " + PathUtil.cleanString(reason));
+                    resp.sendError(HttpServletResponse.SC_FORBIDDEN, reason);
+                    eelfLogger.info(EelfMsgs.EXIT);
+                    return;
+                }
+                user = config.getAuthUser(feedid, credentials);
+            } else {
+                String reason = config.isPublishPermitted(feedid, ip);
+                if (reason != null) {
+                    eelfLogger.error("NODE0111 Rejecting unauthorized publish attempt to feed " + PathUtil
+                            .cleanString(feedid) + " fileid " + PathUtil.cleanString(fileid) + FROM + PathUtil
+                            .cleanString(ip) + " reason   Invalid AAF user- " + PathUtil.cleanString(reason));
+                    String message = "Invalid AAF user- " + PathUtil.cleanString(reason);
+                    eelfLogger.debug("NODE0308 Rejecting unauthenticated PUT or DELETE of " + PathUtil
+                            .cleanString(req.getPathInfo()) + FROM + PathUtil.cleanString(req.getRemoteAddr()));
+                    resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+                    return;
+                }
+                if ((req.getUserPrincipal() != null) && (req.getUserPrincipal().getName() != null)) {
+                    String userName = req.getUserPrincipal().getName();
+                    String[] attid = userName.split("@");
+                    user = attid[0];
+                } else {
+                    user = "AAFUser";
+                }
+            }
+            //Cadi code Ends
+            String newnode = config.getIngressNode(feedid, user, ip);
+            if (newnode != null) {
+                String port = "";
+                int iport = config.getExtHttpsPort();
+                if (iport != 443) {
+                    port = ":" + iport;
+                }
+                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-DMAAP-DR-PUBLISH-ID", pubid);
+        }
+        if (req.getPathInfo().startsWith(INTERNAL_PUBLISH)) {
+            feedid = req.getHeader("X-DMAAP-DR-FEED-ID");
+        }
+        String fbase = PathUtil.cleanString(config.getSpoolDir() + "/" + pubid);  //Fortify scan fixes-Path manipulation
+        File data = new File(fbase);
+        File meta = new File(fbase + ".M");
+        Writer mw = null;
+        try {
+            StringBuilder mx = new StringBuilder();
+            mx.append(req.getMethod()).append('\t').append(fileid).append('\n');
+            Enumeration hnames = req.getHeaderNames();
+            String ctype = null;
+            boolean hasRequestIdHeader = false;
+            boolean hasInvocationIdHeader = false;
+            while (hnames.hasMoreElements()) {
+                String hn = (String) 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-dmaap-dr-meta".equals(hnlc)
+                        || (feedid == null && "x-dmaap-dr-received".equals(hnlc))
+                        || (hnlc.startsWith("x-") && !hnlc.startsWith("x-dmaap-dr-"))) {
+                    Enumeration hvals = req.getHeaders(hn);
+                    while (hvals.hasMoreElements()) {
+                        String hv = (String) hvals.nextElement();
+                        if ("content-type".equals(hnlc)) {
+                            ctype = hv;
+                        }
+                        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) {
+                                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()) {
+                                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;
+                            }
+                        }
+                        mx.append(hn).append('\t').append(hv).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();
+            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,
+                        message);
+                throw new IOException(message);
+            }
+            Path dpath = Paths.get(fbase);
+            for (Target t : targets) {
+                DestInfo di = t.getDestInfo();
+                if (di == null) {
+                    // TODO: unknown destination
+                    continue;
+                }
+                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-DMAAP-DR-ROUTING\t" + t.getRouting() + "\n");
+                }
+                mw.close();
+                meta.renameTo(new File(dbase + ".M"));
+            }
+            resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
+            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) {
+            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 (mw != null) {
+                try {
+                    mw.close();
+                } catch (Exception e) {
+                    eelfLogger.error("NODE0532 Exception common: " + e);
+                }
+            }
+            try {
+                data.delete();
+            } catch (Exception e) {
+                eelfLogger.error("NODE0533 Exception common: " + e);
+            }
+            try {
+                meta.delete();
+            } catch (Exception e) {
+                eelfLogger.error("NODE0534 Exception common: " + e);
+            }
+        }
+    }
+
+    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()) {
+            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) {
+            return -1;
+        }
+        try {
+            return Integer.parseInt(path.substring(1));
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+}