1 /*******************************************************************************
2 * ============LICENSE_START==================================================
4 * * ===========================================================================
5 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * * ===========================================================================
7 * * Licensed under the Apache License, Version 2.0 (the "License");
8 * * you may not use this file except in compliance with the License.
9 * * You may obtain a copy of the License at
11 * * http://www.apache.org/licenses/LICENSE-2.0
13 * * Unless required by applicable law or agreed to in writing, software
14 * * distributed under the License is distributed on an "AS IS" BASIS,
15 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * * See the License for the specific language governing permissions and
17 * * limitations under the License.
18 * * ============LICENSE_END====================================================
20 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 ******************************************************************************/
25 package org.onap.dmaap.datarouter.provisioning;
27 import java.io.IOException;
28 import java.io.InvalidObjectException;
30 import javax.servlet.http.HttpServletRequest;
31 import javax.servlet.http.HttpServletResponse;
33 import org.json.JSONObject;
34 import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
35 import org.onap.dmaap.datarouter.provisioning.beans.Group;
37 import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;
40 * This servlet handles provisioning for the <groups> which is generated by the provisioning
41 * server to handle the creation and inspection of groups for FEEDS and SUBSCRIPTIONS.
43 * @author Vikram Singh
45 * @version $Id: Group.java,v 1.0 2016/07/19
47 @SuppressWarnings("serial")
48 public class GroupServlet extends ProxyServlet {
50 * DELETE on the <GRUPS> -- not supported.
53 public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
54 String message = "DELETE not allowed for the GROUPS.";
55 EventLogRecord elr = new EventLogRecord(req);
56 elr.setMessage(message);
57 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
58 eventlogger.error(elr.toString());
59 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
62 * GET on the the list of groups to a feed/sub.
63 * See the <i>Groups Collection Query</i> section in the <b>Provisioning API</b>
64 * document for details on how this method should be invoked.
67 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
68 EventLogRecord elr = new EventLogRecord(req);
69 String message = isAuthorizedForProvisioning(req);
70 if (message != null) {
71 elr.setMessage(message);
72 elr.setResult(HttpServletResponse.SC_FORBIDDEN);
73 eventlogger.error(elr.toString());
74 sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
77 if (isProxyServer()) {
78 super.doGet(req, resp);
81 String bhdr = req.getHeader(BEHALF_HEADER);
83 message = "Missing "+BEHALF_HEADER+" header.";
84 elr.setMessage(message);
85 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
86 eventlogger.error(elr.toString());
87 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
91 // Check with the Authorizer
92 /*AuthorizationResponse aresp = authz.decide(req);
93 if (! aresp.isAuthorized()) {
94 message = POLICY_ENGINE;
95 elr.setMessage(message);
96 elr.setResult(HttpServletResponse.SC_FORBIDDEN);
97 eventlogger.error(elr.toString());
98 resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
103 /*ContentHeader ch = getContentHeader(req);
104 String ver = ch.getAttribute("version");
105 if (!ch.getType().equals(GROUPLIST_CONTENT_TYPE) || !(ver.equals("1.0") || ver.equals("2.0"))) {
106 intlogger.debug("Content-type is: "+req.getHeader("Content-Type"));
107 message = "Incorrect content-type";
108 elr.setMessage(message);
109 elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
110 eventlogger.error(elr.toString());
111 resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);
116 int groupid = getIdFromPath(req);
118 message = "Missing or bad group number.";
119 elr.setMessage(message);
120 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
121 eventlogger.error(elr.toString());
122 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
126 Group gup = Group.getGroupById(groupid);
128 elr.setResult(HttpServletResponse.SC_OK);
129 eventlogger.info(elr.toString());
130 resp.setStatus(HttpServletResponse.SC_OK);
131 resp.setContentType(GROUPFULL_CONTENT_TYPE);
133 resp.getOutputStream().print(gup.asJSONObject().toString());
134 } catch (IOException ioe) {
135 eventlogger.error("PROV0121 GroupServlet.doGet: " + ioe.getMessage(), ioe);
140 * PUT on the <GROUPS> -- not supported.
143 public void doPut(HttpServletRequest req, HttpServletResponse resp) {
144 EventLogRecord elr = new EventLogRecord(req);
145 String message = isAuthorizedForProvisioning(req);
146 if (message != null) {
147 elr.setMessage(message);
148 elr.setResult(HttpServletResponse.SC_FORBIDDEN);
149 eventlogger.error(elr.toString());
150 sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
153 if (isProxyServer()) {
154 super.doPut(req, resp);
157 String bhdr = req.getHeader(BEHALF_HEADER);
159 message = "Missing "+BEHALF_HEADER+" header.";
160 elr.setMessage(message);
161 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
162 eventlogger.error(elr.toString());
163 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
166 int groupid = getIdFromPath(req);
168 message = "Missing or bad groupid.";
169 elr.setMessage(message);
170 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
171 eventlogger.error(elr.toString());
172 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
175 Group oldgup = Group.getGroupById(groupid);
176 if (oldgup == null) {
177 message = "Missing or bad group number.";
178 elr.setMessage(message);
179 elr.setResult(HttpServletResponse.SC_NOT_FOUND);
180 eventlogger.error(elr.toString());
181 sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
185 // check content type is SUB_CONTENT_TYPE, version 1.0
186 ContentHeader ch = getContentHeader(req);
187 String ver = ch.getAttribute("version");
188 if (!ch.getType().equals(GROUP_BASECONTENT_TYPE) || !("1.0".equals(ver) || "2.0".equals(ver))) {
189 message = "Incorrect content-type";
190 elr.setMessage(message);
191 elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
192 eventlogger.error(elr.toString());
193 sendResponseError(resp, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message, eventlogger);
196 JSONObject jo = getJSONfromInput(req);
199 elr.setMessage(message);
200 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
201 eventlogger.error(elr.toString());
202 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
205 if (intlogger.isDebugEnabled())
206 intlogger.debug(jo.toString());
210 } catch (InvalidObjectException e) {
211 message = e.getMessage();
212 elr.setMessage(message);
213 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
214 eventlogger.error(elr.toString(), e);
215 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
218 gup.setGroupid(oldgup.getGroupid());
219 Group gb2 = Group.getGroupMatching(gup, oldgup.getGroupid());
221 eventlogger.warn("PROV0011 Creating a duplicate Group: "+gup.getName());
222 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
223 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Duplicate Group:"+gup.getName(), eventlogger);
227 // Update Groups table entries
230 elr.setResult(HttpServletResponse.SC_OK);
231 eventlogger.info(elr.toString());
232 resp.setStatus(HttpServletResponse.SC_OK);
233 resp.setContentType(GROUPFULL_CONTENT_TYPE);
235 resp.getOutputStream().print(gup.asJSONObject().toString());
236 } catch (IOException ioe) {
237 eventlogger.error("PROV0122 GroupServlet.doPut: " + ioe.getMessage(), ioe);
239 provisioningDataChanged();
241 // Something went wrong with the UPDATE
242 elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
243 eventlogger.error(elr.toString());
244 sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);
248 * POST on the <groups> -- create a new GROUPS to a feed.
249 * See the <i>Creating a GROUPS</i> section in the <b>Provisioning API</b>
250 * document for details on how this method should be invoked.
253 public void doPost(HttpServletRequest req, HttpServletResponse resp) {
254 EventLogRecord elr = new EventLogRecord(req);
255 String message = isAuthorizedForProvisioning(req);
256 if (message != null) {
257 elr.setMessage(message);
258 elr.setResult(HttpServletResponse.SC_FORBIDDEN);
259 eventlogger.error(elr.toString());
260 sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
263 if (isProxyServer()) {
264 super.doPost(req, resp);
267 String bhdr = req.getHeader(BEHALF_HEADER);
269 message = "Missing "+BEHALF_HEADER+" header.";
270 elr.setMessage(message);
271 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
272 eventlogger.error(elr.toString());
273 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
277 // check content type is SUB_CONTENT_TYPE, version 1.0
278 ContentHeader ch = getContentHeader(req);
279 String ver = ch.getAttribute("version");
280 if (!ch.getType().equals(GROUP_BASECONTENT_TYPE) || !(ver.equals("1.0") || ver.equals("2.0"))) {
281 intlogger.debug("Content-type is: "+req.getHeader("Content-Type"));
282 message = "Incorrect content-type";
283 elr.setMessage(message);
284 elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
285 eventlogger.error(elr.toString());
286 sendResponseError(resp, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message, eventlogger);
289 JSONObject jo = getJSONfromInput(req);
292 elr.setMessage(message);
293 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
294 eventlogger.error(elr.toString());
295 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
298 if (intlogger.isDebugEnabled())
299 intlogger.debug(jo.toString());
304 } catch (InvalidObjectException e) {
305 message = e.getMessage();
306 elr.setMessage(message);
307 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
308 eventlogger.error(elr.toString(), e);
309 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
312 //gup.setFeedid(feedid);
313 //sub.setSubscriber(bhdr); // set from X-DMAAP-DR-ON-BEHALF-OF header
315 // Check if this group already exists; not an error (yet), just warn
316 Group gb2 = Group.getGroupMatching(gup);
318 eventlogger.warn("PROV0011 Creating a duplicate Group: "+gup.getName());
319 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
320 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Duplicate Group:"+gup.getName(), eventlogger);
325 // Create GROUPS table entries
328 elr.setResult(HttpServletResponse.SC_CREATED);
329 eventlogger.info(elr.toString());
330 resp.setStatus(HttpServletResponse.SC_CREATED);
331 resp.setContentType(GROUPFULL_CONTENT_TYPE);
333 resp.getOutputStream().print(gup.asJSONObject().toString());
334 } catch (IOException ioe) {
335 eventlogger.error("PROV0122 GroupServlet.doPost: " + ioe.getMessage(), ioe);
337 provisioningDataChanged();
339 // Something went wrong with the INSERT
340 elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
341 eventlogger.error(elr.toString());
342 sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);