X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=datarouter-prov%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fprovisioning%2FFeedServlet.java;fp=datarouter-prov%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fprovisioning%2FFeedServlet.java;h=b905674404508d55af4f91408a3fe22f8f7f20df;hb=e4b20cc6f7c31f48ddd0de5bcd054b09a35cd510;hp=0000000000000000000000000000000000000000;hpb=315f5603d8e42969a13d985ca8bb50146e82325a;p=dmaap%2Fdatarouter.git

diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/FeedServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/FeedServlet.java
new file mode 100644
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--- /dev/null
+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/FeedServlet.java
@@ -0,0 +1,362 @@
+/*******************************************************************************
+ * ============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 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 com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+/**
+ * This servlet handles provisioning for the <feedURL> which is generated by the provisioning
+ * server to handle a particular feed. It supports DELETE to mark the feed as deleted,
+ * and GET to retrieve information about the feed, and PUT to modify the feed.
+ *
+ * @author Robert Eby
+ * @version $Id$
+ */
+@SuppressWarnings("serial")
+public class FeedServlet extends ProxyServlet {
+
+	//Adding EELF Logger Rally:US664892 
+    private static EELFLogger eelflogger = EELFManager.getInstance().getLogger("org.onap.dmaap.datarouter.provisioning.FeedServlet");
+
+	/**
+	 * Delete the Feed at the address /feed/<feednumber>.
+	 * See the <i>Deleting a Feed</i> section in the <b>Provisioning API</b>
+	 * document for details on how this method should be invoked.
+	 */
+	@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)+"");
+		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.doDelete(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;
+		}
+		int feedid = getIdFromPath(req);
+		if (feedid < 0) {
+			message = "Missing or bad feed number.";
+			elr.setMessage(message);
+			elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+			eventlogger.info(elr);
+			resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+			return;
+		}
+		Feed feed = Feed.getFeedById(feedid);
+		if (feed == null || feed.isDeleted()) {
+			message = "Missing or bad feed number.";
+			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;
+		}
+
+		// Delete FEED table entry (set DELETED flag)
+		feed.setDeleted(true);
+		if (doUpdate(feed)) {
+			active_feeds--;
+			// send response
+			elr.setResult(HttpServletResponse.SC_NO_CONTENT);
+			eventlogger.info(elr);
+			resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
+			provisioningDataChanged();
+		} else {
+			// Something went wrong with the UPDATE
+			elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+			eventlogger.info(elr);
+			resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+		}
+	}
+	/**
+	 * Get information on the feed at the address /feed/&lt;feednumber&gt;.
+	 * See the <i>Retrieving Information about a Feed</i> section in the <b>Provisioning API</b>
+	 * 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;
+		}
+		int feedid = getIdFromPath(req);
+		if (feedid < 0) {
+			message = "Missing or bad feed number.";
+			elr.setMessage(message);
+			elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+			eventlogger.info(elr);
+			resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+			return;
+		}
+		Feed feed = Feed.getFeedById(feedid);
+		if (feed == null || feed.isDeleted()) {
+			message = "Missing or bad feed number.";
+			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;
+		}
+
+		// 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());
+	}
+	/**
+	 * PUT on the &lt;feedURL&gt; for a feed.
+	 * See the <i>Modifying a Feed</i> section in the <b>Provisioning API</b>
+	 * document for details on how this method should be invoked.
+	 */
+	@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)+"");
+		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.doPut(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;
+		}
+		int feedid = getIdFromPath(req);
+		if (feedid < 0) {
+			message = "Missing or bad feed number.";
+			elr.setMessage(message);
+			elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+			eventlogger.info(elr);
+			resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+			return;
+		}
+		Feed oldFeed = Feed.getFeedById(feedid);
+		if (oldFeed == null || oldFeed.isDeleted()) {
+			message = "Missing or bad feed number.";
+			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;
+		}
+		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());
+		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.setFeedid(feedid);
+		feed.setPublisher(bhdr);	// set from X-ATT-DR-ON-BEHALF-OF header
+
+		String subjectgroup = (req.getHeader("X-ATT-DR-ON-BEHALF-OF-GROUP"));  //Adding for group feature:Rally US708115  
+		if (!oldFeed.getPublisher().equals(feed.getPublisher()) && subjectgroup == null) {
+			message = "This feed must be modified by the same publisher that created it.";
+			elr.setMessage(message);
+			elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+			eventlogger.info(elr);
+			resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+			return;
+		}
+		if (!oldFeed.getName().equals(feed.getName())) {
+			message = "The name of the feed may not be updated.";
+			elr.setMessage(message);
+			elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+			eventlogger.info(elr);
+			resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+			return;
+		}
+		if (!oldFeed.getVersion().equals(feed.getVersion())) {
+			message = "The version of the feed may not be updated.";
+			elr.setMessage(message);
+			elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
+			eventlogger.info(elr);
+			resp.sendError(HttpServletResponse.SC_BAD_REQUEST, 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;
+		}
+
+		// Update FEEDS table entries
+		if (doUpdate(feed)) {
+			// send response
+			elr.setResult(HttpServletResponse.SC_OK);
+			eventlogger.info(elr);
+			resp.setStatus(HttpServletResponse.SC_OK);
+			resp.setContentType(FEEDFULL_CONTENT_TYPE);
+			resp.getOutputStream().print(feed.asLimitedJSONObject().toString());
+
+			
+			/**Change Owner ship of Feed //Adding for group feature:Rally US708115*/
+			if (jo.has("changeowner") && subjectgroup != null) {
+				Boolean changeowner = (Boolean) jo.get("changeowner");
+				if (changeowner != null && changeowner.equals(true)) {
+					feed.setPublisher(req.getHeader(BEHALF_HEADER));
+					feed.changeOwnerShip();
+				}
+			}
+			/***End of change ownership*/
+
+			provisioningDataChanged();
+		} else {
+			// Something went wrong with the UPDATE
+			elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+			eventlogger.info(elr);
+			resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+		}
+	}
+	/**
+	 * POST on the &lt;feedURL&gt; -- not supported.
+	 */
+	@Override
+	public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+		setIpAndFqdnForEelf("doPost");
+		eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));
+		String message = "POST not allowed for the feedURL.";
+		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);
+	}
+}