mirror of https://github.com/apache/cloudstack.git
109 lines
3.8 KiB
Java
109 lines
3.8 KiB
Java
/**
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* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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*
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* This software is licensed under the GNU General Public License v3 or later.
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*
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* It is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.cloud.consoleproxy;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.Date;
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import com.cloud.console.Logger;
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import com.sun.net.httpserver.Headers;
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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public class ConsoleProxyJarHandler implements HttpHandler {
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private static final Logger s_logger = Logger.getLogger(ConsoleProxyJarHandler.class);
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public void handle(HttpExchange t) throws IOException {
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try {
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Thread.currentThread().setName("JAR Thread " +
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Thread.currentThread().getId() + " " + t.getRemoteAddress());
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s_logger.debug("JARHandler " + t.getRequestURI());
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doHandle(t);
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} catch (Exception e) {
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s_logger.error(e.toString(), e);
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String response = "Not found";
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t.sendResponseHeaders(404, response.length());
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OutputStream os = t.getResponseBody();
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os.write(response.getBytes());
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os.close();
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} catch (Throwable e) {
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s_logger.error(e.toString(), e);
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} finally {
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t.close();
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}
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}
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@SuppressWarnings("deprecation")
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public void doHandle(HttpExchange t) throws Exception {
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String path = t.getRequestURI().getPath();
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s_logger.info("Get JAR request for " + path);
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int i = path.indexOf("/", 1);
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String filepath = path.substring(i + 1);
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i = path.lastIndexOf(".");
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String extension = (i == -1) ? "" : path.substring(i + 1);
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if (!extension.equals("jar")) {
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throw new IllegalArgumentException();
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}
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File f = new File (ConsoleProxy.jarDir + filepath);
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long lastModified = f.lastModified();
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String ifModifiedSince = t.getRequestHeaders().getFirst("If-Modified-Since");
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if (ifModifiedSince != null) {
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long d = Date.parse(ifModifiedSince);
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// s_logger.info(Logger.INFO, "ifModified=" + d + " lastModified =" + lastModified);
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// Give it 1 second grace period to account for errors introduced by
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// date parsing and printing
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if (d + 1000 >= lastModified) {
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Headers hds = t.getResponseHeaders();
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hds.set("Content-Type", "application/java-archive");
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t.sendResponseHeaders(304, -1);
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s_logger.info("Sent 304 JAR file has not been " +
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"modified since " + ifModifiedSince);
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// s_logger.info("Req=" + t.getRequestHeaders().entrySet());
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// s_logger.info("Resp=" + hds.entrySet());
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return;
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}
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}
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long length = f.length();
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FileInputStream fis = new FileInputStream(f);
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Headers hds = t.getResponseHeaders();
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hds.set("Content-Type", "application/java-archive");
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hds.set("Last-Modified", new Date(lastModified).toGMTString());
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// s_logger.info("Req=" + t.getRequestHeaders().entrySet());
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// s_logger.info("Resp=" + hds.entrySet());
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t.sendResponseHeaders(200, length);
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OutputStream os = t.getResponseBody();
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while (true) {
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byte[] b = new byte[8192];
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int n = fis.read(b);
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if (n < 0) {
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break;
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}
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os.write(b, 0, n);
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}
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os.close();
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fis.close();
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s_logger.info("Sent JAR file " + path);
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}
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}
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