+++ /dev/null
-/*******************************************************************************\r
- * ============LICENSE_START==================================================\r
- * * org.onap.dmaap\r
- * * ===========================================================================\r
- * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
- * * ===========================================================================\r
- * * Licensed under the Apache License, Version 2.0 (the "License");\r
- * * you may not use this file except in compliance with the License.\r
- * * You may obtain a copy of the License at\r
- * * \r
- * * http://www.apache.org/licenses/LICENSE-2.0\r
- * * \r
- * * Unless required by applicable law or agreed to in writing, software\r
- * * distributed under the License is distributed on an "AS IS" BASIS,\r
- * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * * See the License for the specific language governing permissions and\r
- * * limitations under the License.\r
- * * ============LICENSE_END====================================================\r
- * *\r
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
- * *\r
- ******************************************************************************/\r
-\r
-\r
-package com.att.research.datarouter.provisioning;\r
-\r
-import java.io.IOException;\r
-import java.io.InvalidObjectException;\r
-import java.net.HttpURLConnection;\r
-import java.net.URL;\r
-import java.util.List;\r
-import java.util.Vector;\r
-\r
-import javax.servlet.http.HttpServletRequest;\r
-import javax.servlet.http.HttpServletResponse;\r
-\r
-import org.json.JSONException;\r
-import org.json.JSONObject;\r
-\r
-import com.att.eelf.configuration.EELFLogger;\r
-import com.att.eelf.configuration.EELFManager;\r
-import com.att.research.datarouter.authz.AuthorizationResponse;\r
-import com.att.research.datarouter.provisioning.beans.EventLogRecord;\r
-import com.att.research.datarouter.provisioning.beans.Subscription;\r
-import com.att.research.datarouter.provisioning.eelf.EelfMsgs;\r
-\r
-/**\r
- * This servlet handles provisioning for the <subscriptionURL> which is generated by the provisioning\r
- * server to handle the inspection, modification, and deletion of a particular subscription to a feed.\r
- * It supports DELETE to delete a subscription, GET to retrieve information about the subscription,\r
- * and PUT to modify the subscription. In DR 3.0, POST is also supported in order to reset the subscription\r
- * timers for individual subscriptions.\r
- *\r
- * @author Robert Eby\r
- * @version $Id$\r
- */\r
-@SuppressWarnings("serial")\r
-public class SubscriptionServlet extends ProxyServlet {\r
- public static final String SUBCNTRL_CONTENT_TYPE = "application/vnd.att-dr.subscription-control";\r
- //Adding EELF Logger Rally:US664892 \r
- private static EELFLogger eelflogger = EELFManager.getInstance().getLogger("com.att.research.datarouter.provisioning.SubscriptionServlet");\r
-\r
- /**\r
- * DELETE on the <subscriptionUrl> -- delete a subscription.\r
- * See the <i>Deleting a Subscription</i> section in the <b>Provisioning API</b>\r
- * document for details on how this method should be invoked.\r
- */\r
- @Override\r
- public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
- setIpAndFqdnForEelf("doDelete");\r
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_SUBID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");\r
- EventLogRecord elr = new EventLogRecord(req);\r
- String message = isAuthorizedForProvisioning(req);\r
- if (message != null) {\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);\r
- return;\r
- }\r
- if (isProxyServer()) {\r
- super.doDelete(req, resp);\r
- return;\r
- }\r
- String bhdr = req.getHeader(BEHALF_HEADER);\r
- if (bhdr == null) {\r
- message = "Missing "+BEHALF_HEADER+" header.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- int subid = getIdFromPath(req);\r
- if (subid < 0) {\r
- message = "Missing or bad subscription number.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- Subscription sub = Subscription.getSubscriptionById(subid);\r
- if (sub == null) {\r
- message = "Missing or bad subscription number.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_NOT_FOUND);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);\r
- return;\r
- }\r
- // Check with the Authorizer\r
- AuthorizationResponse aresp = authz.decide(req);\r
- if (! aresp.isAuthorized()) {\r
- message = "Policy Engine disallows access.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);\r
- return;\r
- }\r
-\r
- // Delete Subscription\r
- if (doDelete(sub)) {\r
- active_subs--;\r
- // send response\r
- elr.setResult(HttpServletResponse.SC_NO_CONTENT);\r
- eventlogger.info(elr);\r
- resp.setStatus(HttpServletResponse.SC_NO_CONTENT);\r
- provisioningDataChanged();\r
- } else {\r
- // Something went wrong with the DELETE\r
- elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);\r
- }\r
- }\r
- /**\r
- * GET on the <subscriptionUrl> -- get information about a subscription.\r
- * See the <i>Retreiving Information about a Subscription</i> section in the <b>Provisioning API</b>\r
- * document for details on how this method should be invoked.\r
- */\r
- @Override\r
- public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
- setIpAndFqdnForEelf("doGet");\r
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_SUBID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");\r
- EventLogRecord elr = new EventLogRecord(req);\r
- String message = isAuthorizedForProvisioning(req);\r
- if (message != null) {\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);\r
- return;\r
- }\r
- if (isProxyServer()) {\r
- super.doGet(req, resp);\r
- return;\r
- }\r
- String bhdr = req.getHeader(BEHALF_HEADER);\r
- if (bhdr == null) {\r
- message = "Missing "+BEHALF_HEADER+" header.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- int subid = getIdFromPath(req);\r
- if (subid < 0) {\r
- message = "Missing or bad subscription number.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- Subscription sub = Subscription.getSubscriptionById(subid);\r
- if (sub == null) {\r
- message = "Missing or bad subscription number.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_NOT_FOUND);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);\r
- return;\r
- }\r
- // Check with the Authorizer\r
- AuthorizationResponse aresp = authz.decide(req);\r
- if (! aresp.isAuthorized()) {\r
- message = "Policy Engine disallows access.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);\r
- return;\r
- }\r
-\r
- // send response\r
- elr.setResult(HttpServletResponse.SC_OK);\r
- eventlogger.info(elr);\r
- resp.setStatus(HttpServletResponse.SC_OK);\r
- resp.setContentType(SUBFULL_CONTENT_TYPE);\r
- resp.getOutputStream().print(sub.asJSONObject(true).toString());\r
- }\r
- /**\r
- * PUT on the <subscriptionUrl> -- modify a subscription.\r
- * See the <i>Modifying a Subscription</i> section in the <b>Provisioning API</b>\r
- * document for details on how this method should be invoked.\r
- */\r
- @Override\r
- public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
- setIpAndFqdnForEelf("doPut");\r
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_SUBID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");\r
- EventLogRecord elr = new EventLogRecord(req);\r
- String message = isAuthorizedForProvisioning(req);\r
- if (message != null) {\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);\r
- return;\r
- }\r
- if (isProxyServer()) {\r
- super.doPut(req, resp);\r
- return;\r
- }\r
- String bhdr = req.getHeader(BEHALF_HEADER);\r
- if (bhdr == null) {\r
- message = "Missing "+BEHALF_HEADER+" header.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- int subid = getIdFromPath(req);\r
- if (subid < 0) {\r
- message = "Missing or bad subscription number.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- Subscription oldsub = Subscription.getSubscriptionById(subid);\r
- if (oldsub == null) {\r
- message = "Missing or bad subscription number.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_NOT_FOUND);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);\r
- return;\r
- }\r
- // Check with the Authorizer\r
- AuthorizationResponse aresp = authz.decide(req);\r
- if (! aresp.isAuthorized()) {\r
- message = "Policy Engine disallows access.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);\r
- return;\r
- }\r
- // check content type is SUB_CONTENT_TYPE, version 1.0\r
- ContentHeader ch = getContentHeader(req);\r
- String ver = ch.getAttribute("version");\r
- if (!ch.getType().equals(SUB_BASECONTENT_TYPE) || !(ver.equals("1.0") || ver.equals("2.0"))) {\r
- message = "Incorrect content-type";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);\r
- return;\r
- }\r
- JSONObject jo = getJSONfromInput(req);\r
- if (jo == null) {\r
- message = "Badly formed JSON";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- if (intlogger.isDebugEnabled())\r
- intlogger.debug(jo.toString());\r
- Subscription sub = null;\r
- try {\r
- sub = new Subscription(jo);\r
- } catch (InvalidObjectException e) {\r
- message = e.getMessage();\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- sub.setSubid(oldsub.getSubid());\r
- sub.setFeedid(oldsub.getFeedid());\r
- sub.setSubscriber(bhdr); // set from X-ATT-DR-ON-BEHALF-OF header\r
-\r
- String subjectgroup = (req.getHeader("X-ATT-DR-ON-BEHALF-OF-GROUP")); //Adding for group feature:Rally US708115 \r
- if (!oldsub.getSubscriber().equals(sub.getSubscriber()) && subjectgroup == null) {\r
- message = "This subscriber must be modified by the same subscriber that created it.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
-\r
- // Update SUBSCRIPTIONS table entries\r
- if (doUpdate(sub)) {\r
- // send response\r
- elr.setResult(HttpServletResponse.SC_OK);\r
- eventlogger.info(elr);\r
- resp.setStatus(HttpServletResponse.SC_OK);\r
- resp.setContentType(SUBFULL_CONTENT_TYPE);\r
- resp.getOutputStream().print(sub.asLimitedJSONObject().toString());\r
-\r
- /**Change Owner ship of Subscriber Adding for group feature:Rally US708115*/\r
- if (jo.has("changeowner") && subjectgroup != null) {\r
- Boolean changeowner = (Boolean) jo.get("changeowner");\r
- if (changeowner != null && changeowner.equals(true)) {\r
- sub.setSubscriber(req.getHeader(BEHALF_HEADER));\r
- sub.changeOwnerShip();\r
- }\r
- }\r
- /***End of change ownership*/\r
-\r
- provisioningDataChanged();\r
- } else {\r
- // Something went wrong with the UPDATE\r
- elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);\r
- }\r
- }\r
- /**\r
- * POST on the <subscriptionUrl> -- control a subscription.\r
- * See the <i>Resetting a Subscription's Retry Schedule</i> section in the <b>Provisioning API</b>\r
- * document for details on how this method should be invoked.\r
- */\r
- @Override\r
- public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
-// OLD pre-3.0 code\r
-// String message = "POST not allowed for the subscriptionURL.";\r
-// EventLogRecord elr = new EventLogRecord(req);\r
-// elr.setMessage(message);\r
-// elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);\r
-// eventlogger.info(elr);\r
-// resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);\r
-\r
- setIpAndFqdnForEelf("doPost");\r
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));\r
- EventLogRecord elr = new EventLogRecord(req);\r
- String message = isAuthorizedForProvisioning(req);\r
- if (message != null) {\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);\r
- return;\r
- }\r
- if (isProxyServer()) {\r
- super.doPost(req, resp);\r
- return;\r
- }\r
- String bhdr = req.getHeader(BEHALF_HEADER);\r
- if (bhdr == null) {\r
- message = "Missing "+BEHALF_HEADER+" header.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- final int subid = getIdFromPath(req);\r
- if (subid < 0 || Subscription.getSubscriptionById(subid) == null) {\r
- message = "Missing or bad subscription number.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- // check content type is SUBCNTRL_CONTENT_TYPE, version 1.0\r
- ContentHeader ch = getContentHeader(req);\r
- String ver = ch.getAttribute("version");\r
- if (!ch.getType().equals(SUBCNTRL_CONTENT_TYPE) || !ver.equals("1.0")) {\r
- message = "Incorrect content-type";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);\r
- return;\r
- }\r
- // Check with the Authorizer\r
- AuthorizationResponse aresp = authz.decide(req);\r
- if (! aresp.isAuthorized()) {\r
- message = "Policy Engine disallows access.";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);\r
- return;\r
- }\r
- JSONObject jo = getJSONfromInput(req);\r
- if (jo == null) {\r
- message = "Badly formed JSON";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- return;\r
- }\r
- try {\r
- // Only the active POD sends notifications\r
- boolean active = SynchronizerTask.getSynchronizer().isActive();\r
- boolean b = jo.getBoolean("failed");\r
- if (active && !b) {\r
- // Notify all nodes to reset the subscription\r
- SubscriberNotifyThread t = new SubscriberNotifyThread();\r
- t.resetSubscription(subid);\r
- t.start();\r
- }\r
- // send response\r
- elr.setResult(HttpServletResponse.SC_ACCEPTED);\r
- eventlogger.info(elr);\r
- resp.setStatus(HttpServletResponse.SC_ACCEPTED);\r
- } catch (JSONException e) {\r
- message = "Badly formed JSON";\r
- elr.setMessage(message);\r
- elr.setResult(HttpServletResponse.SC_BAD_REQUEST);\r
- eventlogger.info(elr);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);\r
- }\r
- }\r
-\r
- /**\r
- * A Thread class used to serially send reset notifications to all nodes in the DR network,\r
- * when a POST is received for a subscription.\r
- */\r
- public class SubscriberNotifyThread extends Thread {\r
- public static final String URL_TEMPLATE = "http://%s/internal/resetSubscription/%d";\r
- private List<String> urls = new Vector<String>();\r
-\r
- public SubscriberNotifyThread() {\r
- setName("SubscriberNotifyThread");\r
- }\r
- public void resetSubscription(int subid) {\r
- for (String nodename : BaseServlet.getNodes()) {\r
- String u = String.format(URL_TEMPLATE, nodename, subid);\r
- urls.add(u);\r
- }\r
- }\r
- public void run() {\r
- try {\r
- while (!urls.isEmpty()) {\r
- String u = urls.remove(0);\r
- try {\r
- URL url = new URL(u);\r
- HttpURLConnection conn = (HttpURLConnection) url.openConnection();\r
- conn.connect();\r
- conn.getContentLength(); // Force the GET through\r
- conn.disconnect();\r
- } catch (IOException e) {\r
- intlogger.info("IOException Error accessing URL: "+u+": " + e.getMessage());\r
- }\r
- }\r
- } catch (Exception e) {\r
- intlogger.warn("Caught exception in SubscriberNotifyThread: "+e);\r
- e.printStackTrace();\r
- }\r
- }\r
- }\r
-}\r
Code Review / dmaap / datarouter.git / blobdiff