Github user HeartSaVioR commented on a diff in the pull request:
https://github.com/apache/storm/pull/2204#discussion_r128402268
--- Diff:
storm-webapp/src/main/java/org/apache/storm/daemon/logviewer/webapp/LogviewerResource.java
---
@@ -0,0 +1,268 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.storm.daemon.logviewer.webapp;
+
+import com.codahale.metrics.Meter;
+
+import java.io.IOException;
+import java.net.URLDecoder;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.Response;
+
+import org.apache.commons.lang.BooleanUtils;
+import org.apache.commons.lang.StringUtils;
+import org.apache.storm.daemon.common.JsonResponseBuilder;
+import
org.apache.storm.daemon.logviewer.handler.LogviewerLogDownloadHandler;
+import org.apache.storm.daemon.logviewer.handler.LogviewerLogPageHandler;
+import org.apache.storm.daemon.logviewer.handler.LogviewerLogSearchHandler;
+import org.apache.storm.daemon.logviewer.handler.LogviewerProfileHandler;
+import org.apache.storm.metric.StormMetricsRegistry;
+import org.apache.storm.security.auth.IHttpCredentialsPlugin;
+import org.apache.storm.ui.InvalidRequestException;
+import org.apache.storm.ui.UIHelpers;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Handles HTTP requests for Logviewer.
+ */
+@Path("/")
+public class LogviewerResource {
+ private static final Logger LOG =
LoggerFactory.getLogger(LogviewerResource.class);
+
+ private static final Meter meterLogPageHttpRequests =
StormMetricsRegistry.registerMeter("logviewer:num-log-page-http-requests");
+ private static final Meter meterDaemonLogPageHttpRequests =
StormMetricsRegistry.registerMeter(
+ "logviewer:num-daemonlog-page-http-requests");
+ private static final Meter meterDownloadLogFileHttpRequests =
StormMetricsRegistry.registerMeter(
+ "logviewer:num-download-log-file-http-requests");
+ private static final Meter meterDownloadLogDaemonFileHttpRequests =
StormMetricsRegistry.registerMeter(
+ "logviewer:num-download-log-daemon-file-http-requests");
+ private static final Meter meterListLogsHttpRequests =
StormMetricsRegistry.registerMeter("logviewer:num-list-logs-http-requests");
+
+ private final LogviewerLogPageHandler logviewer;
+ private final LogviewerProfileHandler profileHandler;
+ private final LogviewerLogDownloadHandler logDownloadHandler;
+ private final LogviewerLogSearchHandler logSearchHandler;
+ private final IHttpCredentialsPlugin httpCredsHandler;
+
+ /**
+ * Constructor.
+ *
+ * @param logviewerParam {@link LogviewerLogPageHandler}
+ * @param profileHandler {@link LogviewerProfileHandler}
+ * @param logDownloadHandler {@link LogviewerLogDownloadHandler}
+ * @param logSearchHandler {@link LogviewerLogSearchHandler}
+ * @param httpCredsHandler {@link IHttpCredentialsPlugin}
+ */
+ public LogviewerResource(LogviewerLogPageHandler logviewerParam,
LogviewerProfileHandler profileHandler,
+ LogviewerLogDownloadHandler
logDownloadHandler, LogviewerLogSearchHandler logSearchHandler,
+ IHttpCredentialsPlugin httpCredsHandler) {
+ this.logviewer = logviewerParam;
+ this.profileHandler = profileHandler;
+ this.logDownloadHandler = logDownloadHandler;
+ this.logSearchHandler = logSearchHandler;
+ this.httpCredsHandler = httpCredsHandler;
+ }
+
+ /**
+ * Handles '/log' request.
+ */
+ @GET
+ @Path("/log")
+ public Response log(@Context HttpServletRequest request) throws
IOException {
+ meterLogPageHttpRequests.mark();
+
+ try {
+ String user = httpCredsHandler.getUserName(request);
+ Integer start = request.getParameter("start") != null ?
parseIntegerFromMap(request.getParameterMap(), "start") : null;
+ Integer length = request.getParameter("length") != null ?
parseIntegerFromMap(request.getParameterMap(), "length") : null;
+ String decodedFileName =
URLDecoder.decode(request.getParameter("file"));
+ String grep = request.getParameter("grep");
+ return logviewer.logPage(decodedFileName, start, length, grep,
user);
+ } catch (InvalidRequestException e) {
+ LOG.error(e.getMessage(), e);
+ return Response.status(400).entity(e.getMessage()).build();
+ }
+ }
+
+ /**
+ * Handles '/daemonlog' request.
+ */
+ @GET
+ @Path("/daemonlog")
+ public Response daemonLog(@Context HttpServletRequest request) throws
IOException {
+ meterDaemonLogPageHttpRequests.mark();
+
+ try {
+ String user = httpCredsHandler.getUserName(request);
+ Integer start = request.getParameter("start") != null ?
parseIntegerFromMap(request.getParameterMap(), "start") : null;
+ Integer length = request.getParameter("length") != null ?
parseIntegerFromMap(request.getParameterMap(), "length") : null;
+ String decodedFileName =
URLDecoder.decode(request.getParameter("file"));
+ String grep = request.getParameter("grep");
+ return logviewer.daemonLogPage(decodedFileName, start, length,
grep, user);
+ } catch (InvalidRequestException e) {
+ LOG.error(e.getMessage(), e);
+ return Response.status(400).entity(e.getMessage()).build();
+ }
+ }
+
+ /**
+ * Handles '/searchLogs' request.
+ */
+ @GET
+ @Path("/searchLogs")
+ public Response searchLogs(@Context HttpServletRequest request) throws
IOException {
+ String user = httpCredsHandler.getUserName(request);
+ String topologyId = request.getParameter("topoId");
+ String portStr = request.getParameter("port");
+ String callback = request.getParameter("callback");
+ String origin = request.getHeader("Origin");
+
+ return logviewer.listLogFiles(user, portStr != null ?
Integer.parseInt(portStr) : null, topologyId, callback, origin);
+ }
+
+ /**
+ * Handles '/listLogs' request.
+ */
+ @GET
+ @Path("/listLogs")
+ public Response listLogs(@Context HttpServletRequest request) throws
IOException {
+ meterListLogsHttpRequests.mark();
+
+ String user = httpCredsHandler.getUserName(request);
+ String topologyId = request.getParameter("topoId");
+ String portStr = request.getParameter("port");
+ String callback = request.getParameter("callback");
+ String origin = request.getHeader("Origin");
+
+ return logviewer.listLogFiles(user, portStr != null ?
Integer.parseInt(portStr) : null, topologyId, callback, origin);
--- End diff --
Same as above.
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