X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=datarouter-prov%2Fsrc%2Fmain%2Fjava%2Fcom%2Fatt%2Fresearch%2Fdatarouter%2Fprovisioning%2FPublishServlet.java;fp=datarouter-prov%2Fsrc%2Fmain%2Fjava%2Fcom%2Fatt%2Fresearch%2Fdatarouter%2Fprovisioning%2FPublishServlet.java;h=0000000000000000000000000000000000000000;hb=e4b20cc6f7c31f48ddd0de5bcd054b09a35cd510;hp=2a8e2e3c9a8438e30292902056e18e531c25e656;hpb=315f5603d8e42969a13d985ca8bb50146e82325a;p=dmaap%2Fdatarouter.git
diff --git a/datarouter-prov/src/main/java/com/att/research/datarouter/provisioning/PublishServlet.java b/datarouter-prov/src/main/java/com/att/research/datarouter/provisioning/PublishServlet.java
deleted file mode 100644
index 2a8e2e3c..00000000
--- a/datarouter-prov/src/main/java/com/att/research/datarouter/provisioning/PublishServlet.java
+++ /dev/null
@@ -1,192 +0,0 @@
-/*******************************************************************************
- * ============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 com.att.research.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 com.att.eelf.configuration.EELFLogger;
-import com.att.eelf.configuration.EELFManager;
-import com.att.research.datarouter.provisioning.beans.EventLogRecord;
-import com.att.research.datarouter.provisioning.beans.Feed;
-import com.att.research.datarouter.provisioning.beans.IngressRoute;
-import com.att.research.datarouter.provisioning.eelf.EelfMsgs;
-import com.att.research.datarouter.provisioning.utils.*;
-
-/**
- * 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("com.att.research.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;
- }
- }
-}