/**
* Copyright 2012 Comcast Corporation
*
* 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.
*/
package com.comcast.cqs.controller;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.w3c.dom.Element;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.sqs.model.CreateQueueRequest;
import com.amazonaws.services.sqs.model.CreateQueueResult;
import com.amazonaws.services.sqs.model.DeleteQueueRequest;
import com.amazonaws.services.sqs.model.GetQueueAttributesRequest;
import com.amazonaws.services.sqs.model.GetQueueAttributesResult;
import com.comcast.cmb.common.controller.AdminServletBase;
import com.comcast.cmb.common.controller.CMBControllerServlet;
import com.comcast.cmb.common.persistence.PersistenceFactory;
import com.comcast.cmb.common.util.CMBProperties;
import com.comcast.cmb.common.util.PersistenceException;
import com.comcast.cmb.common.util.XmlUtil;
import com.comcast.cqs.util.Util;
/**
* Admin page for cqs users
* @author bwolf, tina, baosen, vvenkatraman
*
*/
public class CQSUserPageServlet extends AdminServletBase {
private static final long serialVersionUID = 1L;
private static Logger logger = Logger.getLogger(CQSUserPageServlet.class);
public static final String cqsServiceBaseUrl = CMBProperties.getInstance().getCQSServiceUrl();
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
if (redirectUnauthenticatedUser(request, response)) {
return;
}
boolean showQueueAttributes = false;
boolean showQueuesWithMessagesOnly = false;
CMBControllerServlet.valueAccumulator.initializeAllCounters();
response.setContentType("text/html");
PrintWriter out = response.getWriter();
Map<?, ?> parameters = request.getParameterMap();
String userId = request.getParameter("userId");
String queueName = request.getParameter("queueName");
String queueNamePrefix = request.getParameter("queueNamePrefix");
String queueUrl = request.getParameter("qUrl");
if (request.getParameter("ShowMessagesOnly") != null) {
showQueuesWithMessagesOnly = true;
}
if (request.getParameter("ShowAttributes") != null) {
showQueueAttributes = true;
}
List<String> queueUrls = new ArrayList<String>();
connect(request);
if (parameters.containsKey("Search")) {
}
try {
String url = cqsServiceBaseUrl + "?Action=ListQueues&AWSAccessKeyId=" + user.getAccessKey();
if (queueNamePrefix != null && !queueNamePrefix.equals("")) {
url += "&QueueNamePrefix=" + queueNamePrefix;
}
if (showQueuesWithMessagesOnly) {
url += "&ContainingMessagesOnly=true";
}
AWSCredentials awsCredentials=new BasicAWSCredentials(user.getAccessKey(),user.getAccessSecret());
String apiStateXml = httpPOST(cqsServiceBaseUrl, url,awsCredentials);
Element root = XmlUtil.buildDoc(apiStateXml);
List<Element> resultList = XmlUtil.getCurrentLevelChildNodes(root, "ListQueuesResult");
for (Element resultElement : resultList) {
List<Element> urls = XmlUtil.getCurrentLevelChildNodes(resultElement, "QueueUrl");
for (Element urlElement : urls) {
queueUrls.add(urlElement.getTextContent().trim());
}
}
} catch (Exception ex) {
logger.error("event=list_queues user_id= " + userId, ex);
throw new ServletException(ex);
}
if (parameters.containsKey("Create")) {
try {
CreateQueueRequest createQueueRequest = new CreateQueueRequest(queueName);
CreateQueueResult createQueueResult = sqs.createQueue(createQueueRequest);
queueUrl = createQueueResult.getQueueUrl();
queueUrls.add(queueUrl);
logger.debug("event=create_queue queue_url=" + queueUrl + " user_id= " + userId);
} catch (Exception ex) {
logger.error("event=create_queue queue_url=" + queueUrl + " user_id= " + userId, ex);
throw new ServletException(ex);
}
} else if (parameters.containsKey("Delete")) {
try {
DeleteQueueRequest deleteQueueRequest = new DeleteQueueRequest(queueUrl);
sqs.deleteQueue(deleteQueueRequest);
queueUrls.remove(queueUrl);
logger.debug("event=delete_queue queue_url=" + queueUrl + " user_id= " + userId);
} catch (Exception ex) {
logger.error("event=delete_queue queue_url=" + queueUrl + " user_id= " + userId, ex);
throw new ServletException(ex);
}
} else if (parameters.containsKey("DeleteAll")) {
for (int i = 0; queueUrls != null && i < queueUrls.size(); i++) {
try {
DeleteQueueRequest deleteQueueRequest = new DeleteQueueRequest(queueUrls.get(i));
sqs.deleteQueue(deleteQueueRequest);
logger.debug("event=delete_queue queue_url=" + queueUrls.get(i) + " user_id= " + userId);
} catch (Exception ex) {
logger.error("event=delete_queue queue_url=" + queueUrls.get(i) + " user_id= " + userId, ex);
}
}
queueUrls = new ArrayList<String>();
} else if (parameters.containsKey("PurgeQueue")) {
String qName = Util.getNameForAbsoluteQueueUrl(queueUrl);
String qUserId = Util.getUserIdForAbsoluteQueueUrl(queueUrl);
try {
String url = cqsServiceBaseUrl;
if (!url.endsWith("/")) {
url += "/";
}
url += qUserId + "/" + qName + "?Action=PurgeQueue&AWSAccessKeyId=" + user.getAccessKey();
httpGet(url);
logger.debug("event=purge_queue url=" + url + " user_id= " + userId);
} catch (Exception ex) {
logger.error("event=purge_queue queue_name=" + qName + " user_id= " + userId, ex);
throw new ServletException(ex);
}
} else if (parameters.containsKey("PurgeAllQueues")) {
for (int i = 0; queueUrls != null && i < queueUrls.size(); i++) {
String qName = Util.getNameForAbsoluteQueueUrl(queueUrls.get(i));
String qUserId = Util.getUserIdForAbsoluteQueueUrl(queueUrls.get(i));
try {
String url = cqsServiceBaseUrl;
if (!url.endsWith("/")) {
url += "/";
}
url += qUserId + "/" + qName + "?Action=PurgeQueue&AWSAccessKeyId=" + user.getAccessKey();
httpGet(url);
logger.debug("event=purge_queue url=" + url + " user_id= " + userId);
} catch (Exception ex) {
logger.error("event=purge_queue queue_name=" + qName + " user_id= " + userId, ex);
}
}
}
out.println("<html>");
header(request, out, "Queues");
out.println("<body>");
out.println("<h2>Queues</h2>");
long numQueues = 0;
try {
numQueues = PersistenceFactory.getUserPersistence().getNumUserQueues(userId);
} catch (PersistenceException ex) {
logger.warn("event=queue_count_failure", ex);
}
if (user != null) {
out.println("<table><tr><td><b>User Name:</b></td><td>"+ user.getUserName()+"</td></tr>");
out.println("<tr><td><b>User ID:</b></td><td>"+ user.getUserId()+"</td></tr>");
out.println("<tr><td><b>Access Key:</b></td><td>"+user.getAccessKey()+"</td></tr>");
out.println("<tr><td><b>Access Secret:</b></td><td>"+user.getAccessSecret()+"</td>");
out.println("<tr><td><b>Queue Count</b></td><td>"+numQueues+"</td></tr></table>");
}
out.println("<p><table>");
out.println("<tr><td>Search queues with name prefix:</td><td></td></tr>");
out.println("<tr><form action=\"/webui/cqsuser?userId="+user.getUserId() + "\" method=POST>");
out.println("<td><input type='text' name='queueNamePrefix' value='"+(queueNamePrefix!=null?queueNamePrefix:"")+"'/><input type='hidden' name='userId' value='"+ userId + "'/>");
out.println("<input type='checkbox' " + (showQueueAttributes ? "checked='true' " : "") + "name='ShowAttributes' value='ShowAttributes'>Show Attributes</input>");
out.println("<input type='checkbox' " + (showQueuesWithMessagesOnly ? "checked='true' " : "") + " name='ShowMessagesOnly' value='ShowMessagesOnly'>Only Queues With Messages</input></td>");
out.println("<td><input type='submit' value='Search' name='Search' /></td></form></tr>");
out.println("<tr><td>Create queue with name:</td><td></td></tr>");
out.println("<tr><form action=\"/webui/cqsuser?userId="+user.getUserId() + "\" method=POST>");
out.println("<td><input type='text' name='queueName' /><input type='hidden' name='userId' value='"+ userId + "'></td>");
out.println("<input type='hidden' name='queueNamePrefix' value='"+(queueNamePrefix != null ? queueNamePrefix : "")+"'/>");
if (showQueuesWithMessagesOnly) {
out.println("<input type='hidden' name='ShowMessagesOnly' value='true'/>");
}
if (showQueueAttributes) {
out.println("<input type='hidden' name='ShowAttributes' value='true'/>");
}
out.println("<td><input type='submit' value='Create' name='Create' /></td></form></tr>");
out.println("<tr><td>Delete all queues:</td><td></td></tr>");
out.println("<tr><form action=\"/webui/cqsuser?userId="+user.getUserId() + "\" " + "method=POST><td><input type='hidden' name='userId' value='"+ userId + "'/>");
out.println("<input type='hidden' name='queueNamePrefix' value='"+(queueNamePrefix != null ? queueNamePrefix : "")+"'/></td>");
if (showQueuesWithMessagesOnly) {
out.println("<input type='hidden' name='ShowMessagesOnly' value='true'/>");
}
if (showQueueAttributes) {
out.println("<input type='hidden' name='ShowAttributes' value='true'/>");
}
out.println("<td><input type='submit' value='Delete All' name='DeleteAll' onclick=\"return confirm('Are you sure you want to delete all?')\" /></td></form></tr>");
out.println("<tr><td>Purge all queues:</td><td></td></tr>");
out.println("<tr><form action=\"/webui/cqsuser?userId="+user.getUserId() + "\" " + "method=POST><td><input type='hidden' name='userId' value='"+ userId + "'/>");
out.println("<input type='hidden' name='queueNamePrefix' value='"+(queueNamePrefix != null ? queueNamePrefix : "")+"'/></td>");
if (showQueuesWithMessagesOnly) {
out.println("<input type='hidden' name='ShowMessagesOnly' value='true'/>");
}
if (showQueueAttributes) {
out.println("<input type='hidden' name='ShowAttributes' value='true'/>");
}
out.println("<td><input type='submit' value='Purge All' name='PurgeAllQueues'/></td></form></tr>");
out.println("</table></p>");
out.println("<p><hr width='100%' align='left' /></p>");
if((queueUrls!=null) && (queueUrls.size()>=1000)){
out.println("Warning: Only first 1000 queues listed. Use the search prefix method to find queues");
}
out.println("<p><table class = 'alternatecolortable' border='1'>");
out.println("<tr><th> </th>");
out.println("<th>Queue Url</th>");
out.println("<th>Queue Arn</th>");
out.println("<th>Queue Name</th>");
out.println("<th>User Id</th>");
out.println("<th>Region</th>");
out.println("<th>Visibility TO</th>");
out.println("<th>Max Msg Size</th>");
out.println("<th>Msg Rention Period</th>");
out.println("<th>Delay Seconds</th>");
out.println("<th>Wait Time Seconds</th>");
out.println("<th>Num Partitions</th>");
out.println("<th>Num Shards</th>");
out.println("<th>Compressed</th>");
out.println("<th>Approx Num Msg</th>");
out.println("<th>Approx Num Msg Not Visible</th>");
out.println("<th>Approx Num Msg Delayed</th>");
out.println("<th> </th><th> </th><th> </th><th> </th></tr>");
for (int i = 0; queueUrls != null && i < queueUrls.size(); i++) {
Map<String, String> attributes = new HashMap<String, String>();
if (showQueueAttributes) {
try {
GetQueueAttributesRequest getQueueAttributesRequest = new GetQueueAttributesRequest(queueUrls.get(i));
getQueueAttributesRequest.setAttributeNames(
Arrays.asList("VisibilityTimeout", "MaximumMessageSize", "MessageRetentionPeriod", "DelaySeconds",
"ApproximateNumberOfMessages",
"ApproximateNumberOfMessagesNotVisible",
"ApproximateNumberOfMessagesDelayed",
"ReceiveMessageWaitTimeSeconds", "NumberOfPartitions", "NumberOfShards", "IsCompressed"));
GetQueueAttributesResult getQueueAttributesResult = sqs.getQueueAttributes(getQueueAttributesRequest);
attributes = getQueueAttributesResult.getAttributes();
} catch (Exception ex) {
logger.error("event=get_queue_attributes url=" + queueUrls.get(i));
}
}
out.println("<tr>");
out.println("<form action=\"/webui/cqsuser?userId="+user.getUserId()+"\" method=POST>");
out.println("<td>"+i+"</td>");
out.println("<td>"+queueUrls.get(i)+"<input type='hidden' name='qUrl' value="+queueUrls.get(i)+"><input type='hidden' name='qName' value="+Util.getNameForAbsoluteQueueUrl(queueUrls.get(i))+"></td>");
out.println("<td>"+Util.getArnForAbsoluteQueueUrl(queueUrls.get(i)) +"<input type='hidden' name='arn' value="+Util.getArnForAbsoluteQueueUrl(queueUrls.get(i))+"></td>");
out.println("<td>"+Util.getNameForAbsoluteQueueUrl(queueUrls.get(i))+"</td>");
out.println("<td>"+user.getUserId()+"<input type='hidden' name='userId' value="+user.getUserId()+"></td>");
out.println("<td>"+CMBProperties.getInstance().getRegion()+"</td>");
out.println("<td>"+(attributes.get("VisibilityTimeout") != null ? attributes.get("VisibilityTimeout"):"")+"</td>");
out.println("<td>"+(attributes.get("MaximumMessageSize") != null ? attributes.get("MaximumMessageSize"):"")+"</td>");
out.println("<td>"+(attributes.get("MessageRetentionPeriod") != null ? attributes.get("MessageRetentionPeriod"):"")+"</td>");
out.println("<td>"+(attributes.get("DelaySeconds") != null ? attributes.get("DelaySeconds"):"")+"</td>");
out.println("<td>"+(attributes.get("ReceiveMessageWaitTimeSeconds") != null ? attributes.get("ReceiveMessageWaitTimeSeconds"):"")+"</td>");
out.println("<td>"+(attributes.get("NumberOfPartitions") != null ? attributes.get("NumberOfPartitions"):"")+"</td>");
out.println("<td>"+(attributes.get("NumberOfShards") != null ? attributes.get("NumberOfShards"):"")+"</td>");
out.println("<td>"+(attributes.get("IsCompressed") != null ? attributes.get("IsCompressed"):"")+"</td>");
out.println("<td>"+(attributes.get("ApproximateNumberOfMessages") != null ? attributes.get("ApproximateNumberOfMessages"):"")+"</td>");
out.println("<td>"+(attributes.get("ApproximateNumberOfMessagesNotVisible") != null ? attributes.get("ApproximateNumberOfMessagesNotVisible"):"")+"</td>");
out.println("<td>"+(attributes.get("ApproximateNumberOfMessagesDelayed") != null ? attributes.get("ApproximateNumberOfMessagesDelayed"):"")+"</td>");
out.println("<td><a href='/webui/cqsuser/message?userId=" + user.getUserId()+ "&queueName=" + Util.getNameForAbsoluteQueueUrl(queueUrls.get(i)) + "'>Messages</a></td>");
out.println("<td><a href='/webui/cqsuser/permissions?userId="+ user.getUserId() + "&queueName="+ Util.getNameForAbsoluteQueueUrl(queueUrls.get(i)) + "'>Permissions</a></td>");
out.println("<td><a href='' onclick=\"window.open('/webui/cqsuser/editqueueattributes?queueName="+ Util.getNameForAbsoluteQueueUrl(queueUrls.get(i)) + "&userId="+userId+"', 'EditQueueAttributes', 'height=630,width=580,toolbar=no')\">Attributes</a></td>");
out.println("<input type='hidden' name='queueNamePrefix' value='"+(queueNamePrefix != null ? queueNamePrefix : "")+"'/>");
if (showQueuesWithMessagesOnly) {
out.println("<input type='hidden' name='ShowMessagesOnly' value='true'/>");
}
if (showQueueAttributes) {
out.println("<input type='hidden' name='ShowAttributes' value='true'/>");
}
out.println("<td><input type='submit' value='Purge' name='PurgeQueue'/> <br/><input type='submit' value='Delete' name='Delete' onclick=\"return confirm('Are you sure you want to delete queue "+Util.getNameForAbsoluteQueueUrl(queueUrls.get(i))+"?')\" /></td></form></tr>");
}
out.println("</table></p>");
out.println("<h5 style='text-align:center;'><a href='/webui'>ADMIN HOME</a></h5>");
out.println("</body></html>");
CMBControllerServlet.valueAccumulator.deleteAllCounters();
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
doGet(request, response);
}
}