X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=datarouter-prov%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fprovisioning%2FDRFeedsServlet.java;fp=datarouter-prov%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fprovisioning%2FDRFeedsServlet.java;h=135d157eb69ede21ed8335b50551a9adf0719309;hb=e4b20cc6f7c31f48ddd0de5bcd054b09a35cd510;hp=0000000000000000000000000000000000000000;hpb=315f5603d8e42969a13d985ca8bb50146e82325a;p=dmaap%2Fdatarouter.git
diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/DRFeedsServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/DRFeedsServlet.java
new file mode 100644
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+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/DRFeedsServlet.java
@@ -0,0 +1,300 @@
+/*******************************************************************************
+ * ============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.InvalidObjectException;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.json.JSONObject;
+import org.onap.dmaap.datarouter.authz.AuthorizationResponse;
+import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
+import org.onap.dmaap.datarouter.provisioning.beans.Feed;
+import org.onap.dmaap.datarouter.provisioning.eelf.EelfMsgs;
+import org.onap.dmaap.datarouter.provisioning.utils.JSONUtilities;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+/**
+ * This servlet handles provisioning for the <drFeedsURL> which is the URL on the
+ * provisioning server used to create new feeds. It supports POST to create new feeds,
+ * and GET to support the Feeds Collection Query function.
+ *
+ * @author Robert Eby
+ * @version $Id$
+ */
+@SuppressWarnings("serial")
+public class DRFeedsServlet extends ProxyServlet {
+ //Adding EELF Logger Rally:US664892
+ private static EELFLogger eelflogger = EELFManager.getInstance().getLogger("org.onap.dmaap.datarouter.provisioning.DRFeedsServlet");
+
+ /**
+ * DELETE on the <drFeedsURL> -- not supported.
+ */
+ @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)+"");
+ String message = "DELETE not allowed for the drFeedsURL.";
+ EventLogRecord elr = new EventLogRecord(req);
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);
+ }
+ /**
+ * GET on the <drFeedsURL> -- query the list of feeds already existing in the DB.
+ * See the Feeds Collection Queries section in the Provisioning API
+ * document for details on how this method should be invoked.
+ */
+ @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)+"");
+ EventLogRecord elr = new EventLogRecord(req);
+ String message = isAuthorizedForProvisioning(req);
+ if (message != null) {
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_FORBIDDEN);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+ return;
+ }
+ if (isProxyServer()) {
+ super.doGet(req, resp);
+ return;
+ }
+ String bhdr = req.getHeader(BEHALF_HEADER);
+ if (bhdr == null) {
+ message = "Missing "+BEHALF_HEADER+" header.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+ return;
+ }
+ String path = req.getRequestURI(); // Note: I think this should be getPathInfo(), but that doesn't work (Jetty bug?)
+ if (path != null && !path.equals("/")) {
+ message = "Bad URL.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_NOT_FOUND);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+ return;
+ }
+ // Check with the Authorizer
+ AuthorizationResponse aresp = authz.decide(req);
+ if (! aresp.isAuthorized()) {
+ message = "Policy Engine disallows access.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_FORBIDDEN);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+ return;
+ }
+
+ String name = req.getParameter("name");
+ String vers = req.getParameter("version");
+ String publ = req.getParameter("publisher");
+ String subs = req.getParameter("subscriber");
+ if (name != null && vers != null) {
+ // Display a specific feed
+ Feed feed = Feed.getFeedByNameVersion(name, vers);
+ if (feed == null || feed.isDeleted()) {
+ message = "This feed does not exist in the database.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+ } else {
+ // send response
+ elr.setResult(HttpServletResponse.SC_OK);
+ eventlogger.info(elr);
+ resp.setStatus(HttpServletResponse.SC_OK);
+ resp.setContentType(FEEDFULL_CONTENT_TYPE);
+ resp.getOutputStream().print(feed.asJSONObject(true).toString());
+ }
+ } else {
+ // Display a list of URLs
+ List list = null;
+ if (name != null) {
+ list = Feed.getFilteredFeedUrlList("name", name);
+ } else if (publ != null) {
+ list = Feed.getFilteredFeedUrlList("publ", publ);
+ } else if (subs != null) {
+ list = Feed.getFilteredFeedUrlList("subs", subs);
+ } else {
+ list = Feed.getFilteredFeedUrlList("all", null);
+ }
+ String t = JSONUtilities.createJSONArray(list);
+ // send response
+ elr.setResult(HttpServletResponse.SC_OK);
+ eventlogger.info(elr);
+ resp.setStatus(HttpServletResponse.SC_OK);
+ resp.setContentType(FEEDLIST_CONTENT_TYPE);
+ resp.getOutputStream().print(t);
+ }
+ }
+ /**
+ * PUT on the <drFeedsURL> -- not supported.
+ */
+ @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)+"");
+ String message = "PUT not allowed for the drFeedsURL.";
+ EventLogRecord elr = new EventLogRecord(req);
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);
+ }
+ /**
+ * POST on the <drFeedsURL> -- create a new feed.
+ * See the Creating a Feed section in the Provisioning API
+ * document for details on how this method should be invoked.
+ */
+ @Override
+ public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ setIpAndFqdnForEelf("doPost");
+ eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));
+ EventLogRecord elr = new EventLogRecord(req);
+ String message = isAuthorizedForProvisioning(req);
+ if (message != null) {
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_FORBIDDEN);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+ return;
+ }
+ if (isProxyServer()) {
+ super.doPost(req, resp);
+ return;
+ }
+ String bhdr = req.getHeader(BEHALF_HEADER);
+ if (bhdr == null) {
+ message = "Missing "+BEHALF_HEADER+" header.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+ return;
+ }
+ String path = req.getRequestURI(); // Note: I think this should be getPathInfo(), but that doesn't work (Jetty bug?)
+ if (path != null && !path.equals("/")) {
+ message = "Bad URL.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_NOT_FOUND);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+ return;
+ }
+ // check content type is FEED_CONTENT_TYPE, version 1.0
+ ContentHeader ch = getContentHeader(req);
+ String ver = ch.getAttribute("version");
+ if (!ch.getType().equals(FEED_BASECONTENT_TYPE) || !(ver.equals("1.0") || ver.equals("2.0"))) {
+ message = "Incorrect content-type";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);
+ return;
+ }
+ // Check with the Authorizer
+ AuthorizationResponse aresp = authz.decide(req);
+ if (! aresp.isAuthorized()) {
+ message = "Policy Engine disallows access.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_FORBIDDEN);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+ return;
+ }
+ JSONObject jo = getJSONfromInput(req);
+ if (jo == null) {
+ message = "Badly formed JSON";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+ return;
+ }
+ if (intlogger.isDebugEnabled())
+ intlogger.debug(jo.toString());
+ if (++active_feeds > max_feeds) {
+ active_feeds--;
+ message = "Cannot create feed; the maximum number of feeds has been configured.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_CONFLICT);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_CONFLICT, message);
+ return;
+ }
+ Feed feed = null;
+ try {
+ feed = new Feed(jo);
+ } catch (InvalidObjectException e) {
+ message = e.getMessage();
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+ return;
+ }
+ feed.setPublisher(bhdr); // set from X-ATT-DR-ON-BEHALF-OF header
+
+ // Check if this feed already exists
+ Feed feed2 = Feed.getFeedByNameVersion(feed.getName(), feed.getVersion());
+ if (feed2 != null) {
+ message = "This feed already exists in the database.";
+ elr.setMessage(message);
+ elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+ return;
+ }
+
+ // Create FEED table entries
+ if (doInsert(feed)) {
+ // send response
+ elr.setResult(HttpServletResponse.SC_CREATED);
+ eventlogger.info(elr);
+ resp.setStatus(HttpServletResponse.SC_CREATED);
+ resp.setContentType(FEEDFULL_CONTENT_TYPE);
+ resp.setHeader("Location", feed.getLinks().getSelf());
+ resp.getOutputStream().print(feed.asLimitedJSONObject().toString());
+ provisioningDataChanged();
+ } else {
+ // Something went wrong with the INSERT
+ elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+ eventlogger.info(elr);
+ resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+ }
+ }
+}