X-Git-Url: https://gerrit.onap.org/r/gitweb?p=dmaap%2Fdatarouter.git;a=blobdiff_plain;f=datarouter-prov%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fprovisioning%2FPublishServlet.java;h=35205aa97683ff5d231e9aed8c25b81445883639;hp=d500bb31ea49a58708b6bd13f11262bfe670191e;hb=68a9ca240970fceaf12bbe91b7bad8e1d98ecd93;hpb=4261823d84c2b911b68cdf4cb4dc3be429ebe285
diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/PublishServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/PublishServlet.java
index d500bb31..35205aa9 100644
--- a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/PublishServlet.java
+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/PublishServlet.java
@@ -1,192 +1,249 @@
-/*******************************************************************************
- * ============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.provisioning;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Properties;
-
-import javax.servlet.ServletConfig;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.json.JSONArray;
-import org.json.JSONObject;
-import org.json.JSONTokener;
-import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
-import org.onap.dmaap.datarouter.provisioning.beans.Feed;
-import org.onap.dmaap.datarouter.provisioning.beans.IngressRoute;
-import org.onap.dmaap.datarouter.provisioning.eelf.EelfMsgs;
-import org.onap.dmaap.datarouter.provisioning.utils.*;
-
-import com.att.eelf.configuration.EELFLogger;
-import com.att.eelf.configuration.EELFManager;
-
-/**
- * This servlet handles redirects for the <publishURL> on the provisioning server,
- * which is generated by the provisioning server to handle a particular subscriptions to a feed.
- * See the File Publishing and Delivery API document for details on how these methods
- * should be invoked.
- *
- * @author Robert Eby
- * @version $Id: PublishServlet.java,v 1.8 2014/03/12 19:45:41 eby Exp $
- */
-@SuppressWarnings("serial")
-public class PublishServlet extends BaseServlet {
- private int next_node;
- private String provstring;
- private List irt;
- //Adding EELF Logger Rally:US664892
- private static EELFLogger eelflogger = EELFManager.getInstance().getLogger("org.onap.dmaap.datarouter.provisioning.PublishServlet");
-
-
- @Override
- public void init(ServletConfig config) throws ServletException {
- super.init(config);
- next_node = 0;
- provstring = "";
- irt = new ArrayList();
-
- }
- @Override
- public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {
- setIpAndFqdnForEelf("doDelete");
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");
- redirect(req, resp);
- }
- @Override
- public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
- setIpAndFqdnForEelf("doGet");
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");
- redirect(req, resp);
- }
- @Override
- public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {
- setIpAndFqdnForEelf("doPut");
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");
- redirect(req, resp);
- }
- @Override
- public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
- setIpAndFqdnForEelf("doPost");
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));
- redirect(req, resp);
- }
- private void redirect(HttpServletRequest req, HttpServletResponse resp) throws IOException {
- String[] nodes = getNodes();
- if (nodes == null || nodes.length == 0) {
- resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, "There are no nodes defined in the DR network.");
- } else {
- EventLogRecord elr = new EventLogRecord(req);
- int feedid = checkPath(req);
- if (feedid < 0) {
- String message = (feedid == -1)
- ? "Invalid request - Missing or bad feed number."
- : "Invalid request - Missing file ID.";
- elr.setMessage(message);
- elr.setResult(HttpServletResponse.SC_NOT_FOUND);
- eventlogger.info(elr);
-
- resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
- } else {
- // Generate new URL
- String nextnode = getRedirectNode(feedid, req);
- nextnode = nextnode+":"+DB.HTTPS_PORT;
- String newurl = "https://" + nextnode + "/publish" + req.getPathInfo();
- String qs = req.getQueryString();
- if (qs != null)
- newurl += "?" + qs;
-
- // Log redirect in event log
- String message = "Redirected to: "+newurl;
- elr.setMessage(message);
- elr.setResult(HttpServletResponse.SC_MOVED_PERMANENTLY);
- eventlogger.info(elr);
-
- resp.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
- resp.setHeader("Location", newurl);
- }
- }
- }
- private String getRedirectNode(int feedid, HttpServletRequest req) {
- // Check to see if the IRT needs to be updated
- Poker p = Poker.getPoker();
- String s = p.getProvisioningString();
- synchronized (provstring) {
- if (irt == null || (s.length() != provstring.length()) || !s.equals(provstring)) {
- // Provisioning string has changed -- update the IRT
- provstring = s;
- JSONObject jo = new JSONObject(new JSONTokener(provstring));
- JSONArray ja = jo.getJSONArray("ingress");
- List newlist = new ArrayList();
- for (int i = 0; i < ja.length(); i++) {
- IngressRoute iroute = new IngressRoute(ja.getJSONObject(i));
- newlist.add(iroute);
- }
- irt = newlist;
- }
- }
-
- // Look in IRT for next node
- for (IngressRoute route : irt) {
- if (route.matches(feedid, req)) {
- // pick a node at random from the list
- Collection nodes = route.getNodes();
- String[] arr = nodes.toArray(new String[0]);
- long id = System.currentTimeMillis() % arr.length;
- String node = arr[(int) id];
- intlogger.info("Redirecting to "+node+" because of route "+route);
- return node;
- }
- }
-
- // No IRT rule matches, do round robin of all active nodes
- String[] nodes = getNodes();
- if (next_node >= nodes.length) // The list of nodes may have grown/shrunk
- next_node = 0;
- return nodes[next_node++];
- }
- private int checkPath(HttpServletRequest req) {
- String path = req.getPathInfo();
- if (path == null || path.length() < 2)
- return -1;
- path = path.substring(1);
- int ix = path.indexOf('/');
- if (ix < 0 || ix == path.length()-1)
- return -2;
- try {
- int feedid = Integer.parseInt(path.substring(0, ix));
- if (!Feed.isFeedValid(feedid))
- return -1;
- return feedid;
- } catch (NumberFormatException e) {
- return -1;
- }
- }
-}
+/*******************************************************************************
+ * ============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.provisioning;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.lang3.StringUtils;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.json.JSONTokener;
+import org.onap.dmaap.datarouter.provisioning.utils.Poker;
+import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
+import org.onap.dmaap.datarouter.provisioning.beans.IngressRoute;
+import org.onap.dmaap.datarouter.provisioning.eelf.EelfMsgs;
+
+/**
+ * This servlet handles redirects for the <publishURL> on the provisioning server, which is generated by the
+ * provisioning server to handle a particular subscriptions to a feed. See the File Publishing and Delivery API
+ * document for details on how these methods should be invoked.
+ *
+ * @author Robert Eby
+ * @version $Id: PublishServlet.java,v 1.8 2014/03/12 19:45:41 eby Exp $
+ */
+@SuppressWarnings("serial")
+
+public class PublishServlet extends BaseServlet {
+
+ private int nextNode;
+ private String provstring;
+ private List irt;
+ //Adding EELF Logger Rally:US664892
+ private static EELFLogger eelfLogger = EELFManager.getInstance()
+ .getLogger(PublishServlet.class);
+ private static final Object lock = new Object();
+
+
+ @Override
+ public void init(ServletConfig config) throws ServletException {
+ super.init(config);
+ nextNode = 0;
+ provstring = "";
+ irt = new ArrayList<>();
+
+ }
+
+ @Override
+ public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
+ setUpEelfForPublishServlet(req, "doDelete");
+ eelfLogger.info(EelfMsgs.ENTRY);
+ try {
+ eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID,
+ req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
+ redirect(req, resp);
+ } finally {
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+ }
+
+ @Override
+ public void doGet(HttpServletRequest req, HttpServletResponse resp) {
+ setUpEelfForPublishServlet(req, "doGet");
+ eelfLogger.info(EelfMsgs.ENTRY);
+ try {
+ eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID,
+ req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
+ redirect(req, resp);
+ } finally {
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+ }
+
+ @Override
+ public void doPut(HttpServletRequest req, HttpServletResponse resp) {
+ setUpEelfForPublishServlet(req, "doPut");
+ eelfLogger.info(EelfMsgs.ENTRY);
+ try {
+ eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID,
+ req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
+ redirect(req, resp);
+ } finally {
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+ }
+
+ @Override
+ public void doPost(HttpServletRequest req, HttpServletResponse resp) {
+ setUpEelfForPublishServlet(req, "doPost");
+ eelfLogger.info(EelfMsgs.ENTRY);
+ try {
+ eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));
+ redirect(req, resp);
+ } finally {
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+
+ }
+
+ private void setUpEelfForPublishServlet(HttpServletRequest req, String method) {
+ if (StringUtils.isBlank(req.getHeader("X-ONAP-RequestID"))
+ || StringUtils.isBlank(req.getHeader("X-InvocationID"))) {
+ setIpFqdnForEelf(method);
+ } else {
+ setIpFqdnRequestIDandInvocationIDForEelf(method, req);
+ }
+ }
+
+ private void redirect(HttpServletRequest req, HttpServletResponse resp) {
+ try {
+ String[] nodes = getNodes();
+ if (nodes == null || nodes.length == 0) {
+ resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE,
+ "There are no nodes defined in the DR network.");
+ } else {
+ EventLogRecord elr = new EventLogRecord(req);
+ int feedid = checkPath(req);
+ if (feedid < 0) {
+ String message = (feedid == -1)
+ ? "Invalid request - Missing or bad feed number."
+ : "Invalid request - Missing file ID.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_NOT_FOUND);
+ eventlogger.error(elr.toString());
+
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+ } else {
+ // Generate new URL
+ String nextnode = getRedirectNode(feedid, req);
+ nextnode = nextnode + ":" + ProvRunner.getProvProperties().getProperty(
+ "org.onap.dmaap.datarouter.provserver.https.port", "8443");
+ String newurl = "https://" + nextnode + "/publish" + req.getPathInfo();
+ String qs = req.getQueryString();
+ if (qs != null) {
+ newurl += "?" + qs;
+ }
+
+ // Log redirect in event log
+ String message = "Redirected to: " + newurl;
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_MOVED_PERMANENTLY);
+ eventlogger.info(elr.toString());
+
+ resp.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
+ resp.setHeader("Location", newurl);
+ }
+ }
+ } catch (IOException ioe) {
+ intlogger.error("PROV0151 PublishServlet.redirect: " + ioe.getMessage(), ioe);
+ }
+ }
+
+ private String getRedirectNode(int feedid, HttpServletRequest req) {
+ // Check to see if the IRT needs to be updated
+ Poker pkr = Poker.getPoker();
+ String str = pkr.getProvisioningString();
+ synchronized (lock) {
+ if (irt == null || (str.length() != provstring.length()) || !str.equals(provstring)) {
+ // Provisioning string has changed -- update the IRT
+ provstring = str;
+ JSONObject jo = new JSONObject(new JSONTokener(provstring));
+ JSONArray ja = jo.getJSONArray("ingress");
+ List newlist = new ArrayList<>();
+ for (int i = 0; i < ja.length(); i++) {
+ IngressRoute iroute = new IngressRoute(ja.getJSONObject(i));
+ newlist.add(iroute);
+ }
+ irt = newlist;
+ }
+ }
+
+ // Look in IRT for next node
+ for (IngressRoute route : irt) {
+ if (route.matches(feedid, req)) {
+ // pick a node at random from the list
+ Collection nodes = route.getNodes();
+ String[] arr = nodes.toArray(new String[0]);
+ long id = System.currentTimeMillis() % arr.length;
+ String node = arr[(int) id];
+ intlogger.info("Redirecting to " + node + " because of route " + route);
+ return node;
+ }
+ }
+
+ // No IRT rule matches, do round robin of all active nodes
+ String[] nodes = getNodes();
+ if (nextNode >= nodes.length) { // The list of nodes may have grown/shrunk
+ nextNode = 0;
+ }
+ return nodes[nextNode++];
+ }
+
+ private int checkPath(HttpServletRequest req) {
+ String path = req.getPathInfo();
+ if (path == null || path.length() < 2) {
+ return -1;
+ }
+ path = path.substring(1);
+ int ix = path.indexOf('/');
+ if (ix < 0 || ix == path.length() - 1) {
+ return -2;
+ }
+ try {
+ int feedid = Integer.parseInt(path.substring(0, ix));
+ String provData = Poker.getPoker().getProvisioningString();
+ JSONArray feeds = new JSONObject(provData).getJSONArray("feeds");
+ for (int n = 0; n < feeds.length(); ++n) {
+ if (feeds.getJSONObject(n).getInt("feedid") == feedid) {
+ return feedid;
+ }
+ }
+ return -1;
+ } catch (NumberFormatException | JSONException e) {
+ intlogger.debug("PROV0152 PublishServlet.checkPath: " + e.getMessage(), e);
+ return -1;
+ }
+ }
+}