2334 lines
69 KiB
Java
2334 lines
69 KiB
Java
package fi.iki.elonen;
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/*
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* #%L
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* NanoHttpd-Core
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* %%
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* Copyright (C) 2012 - 2015 nanohttpd
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* %%
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the nanohttpd nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* #L%
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*/
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import java.io.BufferedInputStream;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.Closeable;
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import java.io.DataOutput;
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import java.io.DataOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.FilterOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.io.OutputStreamWriter;
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import java.io.PrintWriter;
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import java.io.RandomAccessFile;
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import java.io.UnsupportedEncodingException;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketException;
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import java.net.SocketTimeoutException;
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import java.net.URL;
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import java.net.URLDecoder;
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import java.nio.ByteBuffer;
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import java.nio.channels.FileChannel;
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import java.nio.charset.Charset;
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import java.nio.charset.CharsetEncoder;
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import java.security.KeyStore;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Collections;
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import java.util.Date;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Properties;
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import java.util.StringTokenizer;
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import java.util.TimeZone;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.zip.GZIPOutputStream;
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import javax.net.ssl.KeyManager;
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import javax.net.ssl.KeyManagerFactory;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLException;
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import javax.net.ssl.SSLServerSocket;
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import javax.net.ssl.SSLServerSocketFactory;
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import javax.net.ssl.TrustManagerFactory;
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import fi.iki.elonen.NanoHTTPD.Response.IStatus;
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import fi.iki.elonen.NanoHTTPD.Response.Status;
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/**
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* A simple, tiny, nicely embeddable HTTP server in Java
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* <p/>
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* <p/>
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* NanoHTTPD
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* <p>
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* Copyright (c) 2012-2013 by Paul S. Hawke, 2001,2005-2013 by Jarno Elonen,
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* 2010 by Konstantinos Togias
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* </p>
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* <p/>
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* <p/>
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* <b>Features + limitations: </b>
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* <ul>
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* <p/>
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* <li>Only one Java file</li>
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* <li>Java 5 compatible</li>
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* <li>Released as open source, Modified BSD licence</li>
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* <li>No fixed config files, logging, authorization etc. (Implement yourself if
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* you need them.)</li>
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* <li>Supports parameter parsing of GET and POST methods (+ rudimentary PUT
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* support in 1.25)</li>
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* <li>Supports both dynamic content and file serving</li>
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* <li>Supports file upload (since version 1.2, 2010)</li>
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* <li>Supports partial content (streaming)</li>
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* <li>Supports ETags</li>
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* <li>Never caches anything</li>
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* <li>Doesn't limit bandwidth, request time or simultaneous connections</li>
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* <li>Default code serves files and shows all HTTP parameters and headers</li>
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* <li>File server supports directory listing, index.html and index.htm</li>
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* <li>File server supports partial content (streaming)</li>
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* <li>File server supports ETags</li>
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* <li>File server does the 301 redirection trick for directories without
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* '/'</li>
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* <li>File server supports simple skipping for files (continue download)</li>
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* <li>File server serves also very long files without memory overhead</li>
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* <li>Contains a built-in list of most common MIME types</li>
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* <li>All header names are converted to lower case so they don't vary between
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* browsers/clients</li>
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* <p/>
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* </ul>
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* <p/>
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* <p/>
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* <b>How to use: </b>
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* <ul>
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* <p/>
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* <li>Subclass and implement serve() and embed to your own program</li>
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* <p/>
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* </ul>
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* <p/>
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* See the separate "LICENSE.md" file for the distribution license (Modified BSD
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* licence)
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*/
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public abstract class NanoHTTPD {
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/**
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* Pluggable strategy for asynchronously executing requests.
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*/
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public interface AsyncRunner {
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void closeAll();
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void closed(ClientHandler clientHandler);
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void exec(ClientHandler code);
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}
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/**
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* The runnable that will be used for every new client connection.
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*/
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public class ClientHandler implements Runnable {
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private final InputStream inputStream;
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private final Socket acceptSocket;
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public ClientHandler(InputStream inputStream, Socket acceptSocket) {
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this.inputStream = inputStream;
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this.acceptSocket = acceptSocket;
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}
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public void close() {
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safeClose(this.inputStream);
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safeClose(this.acceptSocket);
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}
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@Override
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public void run() {
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OutputStream outputStream = null;
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try {
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outputStream = this.acceptSocket.getOutputStream();
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TempFileManager tempFileManager = NanoHTTPD.this.tempFileManagerFactory.create();
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HTTPSession session = new HTTPSession(tempFileManager, this.inputStream, outputStream,
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this.acceptSocket.getInetAddress());
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while (!this.acceptSocket.isClosed()) {
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session.execute();
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}
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} catch (Exception e) {
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// When the socket is closed by the client,
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// we throw our own SocketException
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// to break the "keep alive" loop above. If
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// the exception was anything other
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// than the expected SocketException OR a
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// SocketTimeoutException, print the
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// stacktrace
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if (!(e instanceof SocketException && "NanoHttpd Shutdown".equals(e.getMessage()))
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&& !(e instanceof SocketTimeoutException)) {
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NanoHTTPD.LOG.log(Level.SEVERE,
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"Communication with the client broken, or an bug in the handler code", e);
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}
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} finally {
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safeClose(outputStream);
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safeClose(this.inputStream);
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safeClose(this.acceptSocket);
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NanoHTTPD.this.asyncRunner.closed(this);
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}
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}
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}
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public static class Cookie {
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public static String getHTTPTime(int days) {
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Calendar calendar = Calendar.getInstance();
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SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US);
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dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
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calendar.add(Calendar.DAY_OF_MONTH, days);
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return dateFormat.format(calendar.getTime());
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}
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private final String n, v, e;
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public Cookie(String name, String value) {
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this(name, value, 30);
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}
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public Cookie(String name, String value, int numDays) {
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this.n = name;
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this.v = value;
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this.e = getHTTPTime(numDays);
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}
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public Cookie(String name, String value, String expires) {
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this.n = name;
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this.v = value;
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this.e = expires;
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}
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public String getHTTPHeader() {
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String fmt = "%s=%s; expires=%s";
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return String.format(fmt, this.n, this.v, this.e);
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}
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}
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/**
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* Provides rudimentary support for cookies. Doesn't support 'path', 'secure'
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* nor 'httpOnly'. Feel free to improve it and/or add unsupported features.
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*
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* @author LordFokas
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*/
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public class CookieHandler implements Iterable<String> {
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private final HashMap<String, String> cookies = new HashMap<String, String>();
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private final ArrayList<Cookie> queue = new ArrayList<Cookie>();
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public CookieHandler(Map<String, String> httpHeaders) {
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String raw = httpHeaders.get("cookie");
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if (raw != null) {
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String[] tokens = raw.split(";");
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for (String token : tokens) {
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String[] data = token.trim().split("=");
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if (data.length == 2) {
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this.cookies.put(data[0], data[1]);
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}
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}
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}
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}
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/**
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* Set a cookie with an expiration date from a month ago, effectively deleting
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* it on the client side.
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*
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* @param name The cookie name.
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*/
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public void delete(String name) {
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set(name, "-delete-", -30);
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}
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@Override
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public Iterator<String> iterator() {
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return this.cookies.keySet().iterator();
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}
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/**
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* Read a cookie from the HTTP Headers.
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*
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* @param name The cookie's name.
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* @return The cookie's value if it exists, null otherwise.
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*/
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public String read(String name) {
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return this.cookies.get(name);
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}
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public void set(Cookie cookie) {
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this.queue.add(cookie);
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}
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/**
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* Sets a cookie.
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*
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* @param name The cookie's name.
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* @param value The cookie's value.
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* @param expires How many days until the cookie expires.
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*/
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public void set(String name, String value, int expires) {
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this.queue.add(new Cookie(name, value, Cookie.getHTTPTime(expires)));
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}
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/**
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* Internally used by the webserver to add all queued cookies into the
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* Response's HTTP Headers.
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*
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* @param response The Response object to which headers the queued cookies will
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* be added.
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*/
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public void unloadQueue(Response response) {
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for (Cookie cookie : this.queue) {
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response.addHeader("Set-Cookie", cookie.getHTTPHeader());
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}
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}
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}
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/**
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* Default threading strategy for NanoHTTPD.
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* <p/>
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* <p>
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* By default, the server spawns a new Thread for every incoming request. These
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* are set to <i>daemon</i> status, and named according to the request number.
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* The name is useful when profiling the application.
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* </p>
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*/
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public static class DefaultAsyncRunner implements AsyncRunner {
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private long requestCount;
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private final List<ClientHandler> running = Collections
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.synchronizedList(new ArrayList<NanoHTTPD.ClientHandler>());
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/**
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* @return a list with currently running clients.
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*/
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public List<ClientHandler> getRunning() {
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return running;
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}
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@Override
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public void closeAll() {
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// copy of the list for concurrency
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for (ClientHandler clientHandler : new ArrayList<ClientHandler>(this.running)) {
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clientHandler.close();
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}
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}
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@Override
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public void closed(ClientHandler clientHandler) {
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this.running.remove(clientHandler);
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}
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@Override
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public void exec(ClientHandler clientHandler) {
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++this.requestCount;
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Thread t = new Thread(clientHandler);
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t.setDaemon(true);
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t.setName("NanoHttpd Request Processor (#" + this.requestCount + ")");
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this.running.add(clientHandler);
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t.start();
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}
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}
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/**
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* Default strategy for creating and cleaning up temporary files.
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* <p/>
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* <p>
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* By default, files are created by <code>File.createTempFile()</code> in the
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* directory specified.
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* </p>
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*/
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public static class DefaultTempFile implements TempFile {
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private final File file;
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private final OutputStream fstream;
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public DefaultTempFile(File tempdir) throws IOException {
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this.file = File.createTempFile("NanoHTTPD-", "", tempdir);
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this.fstream = new FileOutputStream(this.file);
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}
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@Override
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public void delete() throws Exception {
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safeClose(this.fstream);
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if (!this.file.delete()) {
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throw new Exception("could not delete temporary file: " + this.file.getAbsolutePath());
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}
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}
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@Override
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public String getName() {
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return this.file.getAbsolutePath();
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}
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@Override
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public OutputStream open() throws Exception {
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return this.fstream;
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}
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}
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/**
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* Default strategy for creating and cleaning up temporary files.
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* <p/>
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* <p>
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* This class stores its files in the standard location (that is, wherever
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* <code>java.io.tmpdir</code> points to). Files are added to an internal list,
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* and deleted when no longer needed (that is, when <code>clear()</code> is
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* invoked at the end of processing a request).
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* </p>
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*/
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public static class DefaultTempFileManager implements TempFileManager {
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private final File tmpdir;
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private final List<TempFile> tempFiles;
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public DefaultTempFileManager() {
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this.tmpdir = new File(System.getProperty("java.io.tmpdir"));
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if (!tmpdir.exists()) {
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tmpdir.mkdirs();
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}
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this.tempFiles = new ArrayList<TempFile>();
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}
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@Override
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public void clear() {
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for (TempFile file : this.tempFiles) {
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try {
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file.delete();
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} catch (Exception ignored) {
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NanoHTTPD.LOG.log(Level.WARNING, "could not delete file ", ignored);
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}
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}
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this.tempFiles.clear();
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}
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@Override
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public TempFile createTempFile(String filename_hint) throws Exception {
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DefaultTempFile tempFile = new DefaultTempFile(this.tmpdir);
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this.tempFiles.add(tempFile);
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return tempFile;
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}
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}
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/**
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* Default strategy for creating and cleaning up temporary files.
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*/
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private class DefaultTempFileManagerFactory implements TempFileManagerFactory {
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@Override
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public TempFileManager create() {
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return new DefaultTempFileManager();
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}
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}
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/**
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* Creates a normal ServerSocket for TCP connections
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*/
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public static class DefaultServerSocketFactory implements ServerSocketFactory {
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@Override
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public ServerSocket create() throws IOException {
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return new ServerSocket();
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}
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}
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/**
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* Creates a new SSLServerSocket
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*/
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public static class SecureServerSocketFactory implements ServerSocketFactory {
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private SSLServerSocketFactory sslServerSocketFactory;
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private String[] sslProtocols;
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public SecureServerSocketFactory(SSLServerSocketFactory sslServerSocketFactory, String[] sslProtocols) {
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this.sslServerSocketFactory = sslServerSocketFactory;
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this.sslProtocols = sslProtocols;
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}
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@Override
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public ServerSocket create() throws IOException {
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SSLServerSocket ss = null;
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ss = (SSLServerSocket) this.sslServerSocketFactory.createServerSocket();
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if (this.sslProtocols != null) {
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ss.setEnabledProtocols(this.sslProtocols);
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} else {
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ss.setEnabledProtocols(ss.getSupportedProtocols());
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}
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ss.setUseClientMode(false);
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ss.setWantClientAuth(false);
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ss.setNeedClientAuth(false);
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return ss;
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}
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}
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private static final String CONTENT_DISPOSITION_REGEX = "([ |\t]*Content-Disposition[ |\t]*:)(.*)";
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private static final Pattern CONTENT_DISPOSITION_PATTERN = Pattern.compile(CONTENT_DISPOSITION_REGEX,
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Pattern.CASE_INSENSITIVE);
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private static final String CONTENT_TYPE_REGEX = "([ |\t]*content-type[ |\t]*:)(.*)";
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private static final Pattern CONTENT_TYPE_PATTERN = Pattern.compile(CONTENT_TYPE_REGEX, Pattern.CASE_INSENSITIVE);
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private static final String CONTENT_DISPOSITION_ATTRIBUTE_REGEX = "[ |\t]*([a-zA-Z]*)[ |\t]*=[ |\t]*['|\"]([^\"^']*)['|\"]";
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private static final Pattern CONTENT_DISPOSITION_ATTRIBUTE_PATTERN = Pattern
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.compile(CONTENT_DISPOSITION_ATTRIBUTE_REGEX);
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protected static class ContentType {
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private static final String ASCII_ENCODING = "US-ASCII";
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private static final String MULTIPART_FORM_DATA_HEADER = "multipart/form-data";
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private static final String CONTENT_REGEX = "[ |\t]*([^/^ ^;^,]+/[^ ^;^,]+)";
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private static final Pattern MIME_PATTERN = Pattern.compile(CONTENT_REGEX, Pattern.CASE_INSENSITIVE);
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private static final String CHARSET_REGEX = "[ |\t]*(charset)[ |\t]*=[ |\t]*['|\"]?([^\"^'^;^,]*)['|\"]?";
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private static final Pattern CHARSET_PATTERN = Pattern.compile(CHARSET_REGEX, Pattern.CASE_INSENSITIVE);
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|
|
private static final String BOUNDARY_REGEX = "[ |\t]*(boundary)[ |\t]*=[ |\t]*['|\"]?([^\"^'^;^,]*)['|\"]?";
|
|
|
|
private static final Pattern BOUNDARY_PATTERN = Pattern.compile(BOUNDARY_REGEX, Pattern.CASE_INSENSITIVE);
|
|
|
|
private final String contentTypeHeader;
|
|
|
|
private final String contentType;
|
|
|
|
private final String encoding;
|
|
|
|
private final String boundary;
|
|
|
|
public ContentType(String contentTypeHeader) {
|
|
this.contentTypeHeader = contentTypeHeader;
|
|
if (contentTypeHeader != null) {
|
|
contentType = getDetailFromContentHeader(contentTypeHeader, MIME_PATTERN, "", 1);
|
|
encoding = getDetailFromContentHeader(contentTypeHeader, CHARSET_PATTERN, null, 2);
|
|
} else {
|
|
contentType = "";
|
|
encoding = "UTF-8";
|
|
}
|
|
if (MULTIPART_FORM_DATA_HEADER.equalsIgnoreCase(contentType)) {
|
|
boundary = getDetailFromContentHeader(contentTypeHeader, BOUNDARY_PATTERN, null, 2);
|
|
} else {
|
|
boundary = null;
|
|
}
|
|
}
|
|
|
|
private String getDetailFromContentHeader(String contentTypeHeader, Pattern pattern, String defaultValue,
|
|
int group) {
|
|
Matcher matcher = pattern.matcher(contentTypeHeader);
|
|
return matcher.find() ? matcher.group(group) : defaultValue;
|
|
}
|
|
|
|
public String getContentTypeHeader() {
|
|
return contentTypeHeader;
|
|
}
|
|
|
|
public String getContentType() {
|
|
return contentType;
|
|
}
|
|
|
|
public String getEncoding() {
|
|
return encoding == null ? ASCII_ENCODING : encoding;
|
|
}
|
|
|
|
public String getBoundary() {
|
|
return boundary;
|
|
}
|
|
|
|
public boolean isMultipart() {
|
|
return MULTIPART_FORM_DATA_HEADER.equalsIgnoreCase(contentType);
|
|
}
|
|
|
|
public ContentType tryUTF8() {
|
|
if (encoding == null) {
|
|
return new ContentType(this.contentTypeHeader + "; charset=UTF-8");
|
|
}
|
|
return this;
|
|
}
|
|
}
|
|
|
|
protected class HTTPSession implements IHTTPSession {
|
|
|
|
private static final int REQUEST_BUFFER_LEN = 512;
|
|
|
|
private static final int MEMORY_STORE_LIMIT = 1024;
|
|
|
|
public static final int BUFSIZE = 8192;
|
|
|
|
public static final int MAX_HEADER_SIZE = 1024;
|
|
|
|
private final TempFileManager tempFileManager;
|
|
|
|
private final OutputStream outputStream;
|
|
|
|
private final BufferedInputStream inputStream;
|
|
|
|
private int splitbyte;
|
|
|
|
private int rlen;
|
|
|
|
private String uri;
|
|
|
|
private Method method;
|
|
|
|
private Map<String, List<String>> parms;
|
|
|
|
private Map<String, String> headers;
|
|
|
|
private CookieHandler cookies;
|
|
|
|
private String queryParameterString;
|
|
|
|
private String remoteIp;
|
|
|
|
private String remoteHostname;
|
|
|
|
private String protocolVersion;
|
|
|
|
public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream) {
|
|
this.tempFileManager = tempFileManager;
|
|
this.inputStream = new BufferedInputStream(inputStream, HTTPSession.BUFSIZE);
|
|
this.outputStream = outputStream;
|
|
}
|
|
|
|
public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream,
|
|
InetAddress inetAddress) {
|
|
this.tempFileManager = tempFileManager;
|
|
this.inputStream = new BufferedInputStream(inputStream, HTTPSession.BUFSIZE);
|
|
this.outputStream = outputStream;
|
|
this.remoteIp = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "127.0.0.1"
|
|
: inetAddress.getHostAddress().toString();
|
|
this.remoteHostname = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "localhost"
|
|
: inetAddress.getHostName().toString();
|
|
this.headers = new HashMap<String, String>();
|
|
}
|
|
|
|
/**
|
|
* Decodes the sent headers and loads the data into Key/value pairs
|
|
*/
|
|
private void decodeHeader(BufferedReader in, Map<String, String> pre, Map<String, List<String>> parms,
|
|
Map<String, String> headers) throws ResponseException {
|
|
try {
|
|
// Read the request line
|
|
String inLine = in.readLine();
|
|
if (inLine == null) {
|
|
return;
|
|
}
|
|
|
|
StringTokenizer st = new StringTokenizer(inLine);
|
|
if (!st.hasMoreTokens()) {
|
|
throw new ResponseException(Response.Status.BAD_REQUEST,
|
|
"BAD REQUEST: Syntax error. Usage: GET /example/file.html");
|
|
}
|
|
|
|
pre.put("method", st.nextToken());
|
|
|
|
if (!st.hasMoreTokens()) {
|
|
throw new ResponseException(Response.Status.BAD_REQUEST,
|
|
"BAD REQUEST: Missing URI. Usage: GET /example/file.html");
|
|
}
|
|
|
|
String uri = st.nextToken();
|
|
|
|
// Decode parameters from the URI
|
|
int qmi = uri.indexOf('?');
|
|
if (qmi >= 0) {
|
|
decodeParms(uri.substring(qmi + 1), parms);
|
|
uri = decodePercent(uri.substring(0, qmi));
|
|
} else {
|
|
uri = decodePercent(uri);
|
|
}
|
|
|
|
// If there's another token, its protocol version,
|
|
// followed by HTTP headers.
|
|
// NOTE: this now forces header names lower case since they are
|
|
// case insensitive and vary by client.
|
|
if (st.hasMoreTokens()) {
|
|
protocolVersion = st.nextToken();
|
|
} else {
|
|
protocolVersion = "HTTP/1.1";
|
|
NanoHTTPD.LOG.log(Level.FINE, "no protocol version specified, strange. Assuming HTTP/1.1.");
|
|
}
|
|
String line = in.readLine();
|
|
while (line != null && !line.trim().isEmpty()) {
|
|
int p = line.indexOf(':');
|
|
if (p >= 0) {
|
|
headers.put(line.substring(0, p).trim().toLowerCase(Locale.US), line.substring(p + 1).trim());
|
|
}
|
|
line = in.readLine();
|
|
}
|
|
|
|
pre.put("uri", uri);
|
|
} catch (IOException ioe) {
|
|
throw new ResponseException(Response.Status.INTERNAL_ERROR,
|
|
"SERVER INTERNAL ERROR: IOException: " + ioe.getMessage(), ioe);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Decodes the Multipart Body data and put it into Key/Value pairs.
|
|
*/
|
|
private void decodeMultipartFormData(ContentType contentType, ByteBuffer fbuf, Map<String, List<String>> parms,
|
|
Map<String, String> files) throws ResponseException {
|
|
int pcount = 0;
|
|
try {
|
|
int[] boundaryIdxs = getBoundaryPositions(fbuf, contentType.getBoundary().getBytes());
|
|
if (boundaryIdxs.length < 2) {
|
|
throw new ResponseException(Response.Status.BAD_REQUEST,
|
|
"BAD REQUEST: Content type is multipart/form-data but contains less than two boundary strings.");
|
|
}
|
|
|
|
byte[] partHeaderBuff = new byte[MAX_HEADER_SIZE];
|
|
for (int boundaryIdx = 0; boundaryIdx < boundaryIdxs.length - 1; boundaryIdx++) {
|
|
fbuf.position(boundaryIdxs[boundaryIdx]);
|
|
int len = (fbuf.remaining() < MAX_HEADER_SIZE) ? fbuf.remaining() : MAX_HEADER_SIZE;
|
|
fbuf.get(partHeaderBuff, 0, len);
|
|
BufferedReader in = new BufferedReader(
|
|
new InputStreamReader(new ByteArrayInputStream(partHeaderBuff, 0, len),
|
|
Charset.forName(contentType.getEncoding())),
|
|
len);
|
|
|
|
int headerLines = 0;
|
|
// First line is boundary string
|
|
String mpline = in.readLine();
|
|
headerLines++;
|
|
if (mpline == null || !mpline.contains(contentType.getBoundary())) {
|
|
throw new ResponseException(Response.Status.BAD_REQUEST,
|
|
"BAD REQUEST: Content type is multipart/form-data but chunk does not start with boundary.");
|
|
}
|
|
|
|
String partName = null, fileName = null, partContentType = null;
|
|
// Parse the reset of the header lines
|
|
mpline = in.readLine();
|
|
headerLines++;
|
|
while (mpline != null && mpline.trim().length() > 0) {
|
|
Matcher matcher = CONTENT_DISPOSITION_PATTERN.matcher(mpline);
|
|
if (matcher.matches()) {
|
|
String attributeString = matcher.group(2);
|
|
matcher = CONTENT_DISPOSITION_ATTRIBUTE_PATTERN.matcher(attributeString);
|
|
while (matcher.find()) {
|
|
String key = matcher.group(1);
|
|
if ("name".equalsIgnoreCase(key)) {
|
|
partName = matcher.group(2);
|
|
} else if ("filename".equalsIgnoreCase(key)) {
|
|
fileName = matcher.group(2);
|
|
// add these two line to support multiple
|
|
// files uploaded using the same field Id
|
|
if (!fileName.isEmpty()) {
|
|
if (pcount > 0)
|
|
partName = partName + String.valueOf(pcount++);
|
|
else
|
|
pcount++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
matcher = CONTENT_TYPE_PATTERN.matcher(mpline);
|
|
if (matcher.matches()) {
|
|
partContentType = matcher.group(2).trim();
|
|
}
|
|
mpline = in.readLine();
|
|
headerLines++;
|
|
}
|
|
int partHeaderLength = 0;
|
|
while (headerLines-- > 0) {
|
|
partHeaderLength = scipOverNewLine(partHeaderBuff, partHeaderLength);
|
|
}
|
|
// Read the part data
|
|
if (partHeaderLength >= len - 4) {
|
|
throw new ResponseException(Response.Status.INTERNAL_ERROR,
|
|
"Multipart header size exceeds MAX_HEADER_SIZE.");
|
|
}
|
|
int partDataStart = boundaryIdxs[boundaryIdx] + partHeaderLength;
|
|
int partDataEnd = boundaryIdxs[boundaryIdx + 1] - 4;
|
|
|
|
fbuf.position(partDataStart);
|
|
|
|
List<String> values = parms.get(partName);
|
|
if (values == null) {
|
|
values = new ArrayList<String>();
|
|
parms.put(partName, values);
|
|
}
|
|
|
|
if (partContentType == null) {
|
|
// Read the part into a string
|
|
byte[] data_bytes = new byte[partDataEnd - partDataStart];
|
|
fbuf.get(data_bytes);
|
|
|
|
values.add(new String(data_bytes, contentType.getEncoding()));
|
|
} else {
|
|
// Read it into a file
|
|
String path = saveTmpFile(fbuf, partDataStart, partDataEnd - partDataStart, fileName);
|
|
if (!files.containsKey(partName)) {
|
|
files.put(partName, path);
|
|
} else {
|
|
int count = 2;
|
|
while (files.containsKey(partName + count)) {
|
|
count++;
|
|
}
|
|
files.put(partName + count, path);
|
|
}
|
|
values.add(fileName);
|
|
}
|
|
}
|
|
} catch (ResponseException re) {
|
|
throw re;
|
|
} catch (Exception e) {
|
|
throw new ResponseException(Response.Status.INTERNAL_ERROR, e.toString());
|
|
}
|
|
}
|
|
|
|
private int scipOverNewLine(byte[] partHeaderBuff, int index) {
|
|
while (partHeaderBuff[index] != '\n') {
|
|
index++;
|
|
}
|
|
return ++index;
|
|
}
|
|
|
|
/**
|
|
* Decodes parameters in percent-encoded URI-format ( e.g.
|
|
* "name=Jack%20Daniels&pass=Single%20Malt" ) and adds them to given Map.
|
|
*/
|
|
private void decodeParms(String parms, Map<String, List<String>> p) {
|
|
if (parms == null) {
|
|
this.queryParameterString = "";
|
|
return;
|
|
}
|
|
|
|
this.queryParameterString = parms;
|
|
StringTokenizer st = new StringTokenizer(parms, "&");
|
|
while (st.hasMoreTokens()) {
|
|
String e = st.nextToken();
|
|
int sep = e.indexOf('=');
|
|
String key = null;
|
|
String value = null;
|
|
|
|
if (sep >= 0) {
|
|
key = decodePercent(e.substring(0, sep)).trim();
|
|
value = decodePercent(e.substring(sep + 1));
|
|
} else {
|
|
key = decodePercent(e).trim();
|
|
value = "";
|
|
}
|
|
|
|
List<String> values = p.get(key);
|
|
if (values == null) {
|
|
values = new ArrayList<String>();
|
|
p.put(key, values);
|
|
}
|
|
|
|
values.add(value);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void execute() throws IOException {
|
|
Response r = null;
|
|
try {
|
|
// Read the first 8192 bytes.
|
|
// The full header should fit in here.
|
|
// Apache's default header limit is 8KB.
|
|
// Do NOT assume that a single read will get the entire header
|
|
// at once!
|
|
byte[] buf = new byte[HTTPSession.BUFSIZE];
|
|
this.splitbyte = 0;
|
|
this.rlen = 0;
|
|
|
|
int read = -1;
|
|
this.inputStream.mark(HTTPSession.BUFSIZE);
|
|
try {
|
|
read = this.inputStream.read(buf, 0, HTTPSession.BUFSIZE);
|
|
} catch (SSLException e) {
|
|
throw e;
|
|
} catch (IOException e) {
|
|
safeClose(this.inputStream);
|
|
safeClose(this.outputStream);
|
|
throw new SocketException("NanoHttpd Shutdown");
|
|
}
|
|
if (read == -1) {
|
|
// socket was been closed
|
|
safeClose(this.inputStream);
|
|
safeClose(this.outputStream);
|
|
throw new SocketException("NanoHttpd Shutdown");
|
|
}
|
|
while (read > 0) {
|
|
this.rlen += read;
|
|
this.splitbyte = findHeaderEnd(buf, this.rlen);
|
|
if (this.splitbyte > 0) {
|
|
break;
|
|
}
|
|
read = this.inputStream.read(buf, this.rlen, HTTPSession.BUFSIZE - this.rlen);
|
|
}
|
|
|
|
if (this.splitbyte < this.rlen) {
|
|
this.inputStream.reset();
|
|
this.inputStream.skip(this.splitbyte);
|
|
}
|
|
|
|
this.parms = new HashMap<String, List<String>>();
|
|
if (null == this.headers) {
|
|
this.headers = new HashMap<String, String>();
|
|
} else {
|
|
this.headers.clear();
|
|
}
|
|
|
|
// Create a BufferedReader for parsing the header.
|
|
BufferedReader hin = new BufferedReader(
|
|
new InputStreamReader(new ByteArrayInputStream(buf, 0, this.rlen)));
|
|
|
|
// Decode the header into parms and header java properties
|
|
Map<String, String> pre = new HashMap<String, String>();
|
|
decodeHeader(hin, pre, this.parms, this.headers);
|
|
|
|
if (null != this.remoteIp) {
|
|
this.headers.put("remote-addr", this.remoteIp);
|
|
this.headers.put("http-client-ip", this.remoteIp);
|
|
}
|
|
|
|
this.method = Method.lookup(pre.get("method"));
|
|
if (this.method == null) {
|
|
throw new ResponseException(Response.Status.BAD_REQUEST,
|
|
"BAD REQUEST: Syntax error. HTTP verb " + pre.get("method") + " unhandled.");
|
|
}
|
|
|
|
this.uri = pre.get("uri");
|
|
|
|
this.cookies = new CookieHandler(this.headers);
|
|
|
|
String connection = this.headers.get("connection");
|
|
boolean keepAlive = "HTTP/1.1".equals(protocolVersion)
|
|
&& (connection == null || !connection.matches("(?i).*close.*"));
|
|
|
|
// Ok, now do the serve()
|
|
|
|
// TODO: long body_size = getBodySize();
|
|
// TODO: long pos_before_serve = this.inputStream.totalRead()
|
|
// (requires implementation for totalRead())
|
|
r = serve(this);
|
|
// TODO: this.inputStream.skip(body_size -
|
|
// (this.inputStream.totalRead() - pos_before_serve))
|
|
|
|
if (r == null) {
|
|
throw new ResponseException(Response.Status.INTERNAL_ERROR,
|
|
"SERVER INTERNAL ERROR: Serve() returned a null response.");
|
|
} else {
|
|
String acceptEncoding = this.headers.get("accept-encoding");
|
|
this.cookies.unloadQueue(r);
|
|
r.setRequestMethod(this.method);
|
|
r.setGzipEncoding(
|
|
useGzipWhenAccepted(r) && acceptEncoding != null && acceptEncoding.contains("gzip"));
|
|
r.setKeepAlive(keepAlive);
|
|
r.send(this.outputStream);
|
|
}
|
|
if (!keepAlive || r.isCloseConnection()) {
|
|
throw new SocketException("NanoHttpd Shutdown");
|
|
}
|
|
} catch (SocketException e) {
|
|
// throw it out to close socket object (finalAccept)
|
|
throw e;
|
|
} catch (SocketTimeoutException ste) {
|
|
// treat socket timeouts the same way we treat socket exceptions
|
|
// i.e. close the stream & finalAccept object by throwing the
|
|
// exception up the call stack.
|
|
throw ste;
|
|
} catch (SSLException ssle) {
|
|
Response resp = newFixedLengthResponse(Response.Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT,
|
|
"SSL PROTOCOL FAILURE: " + ssle.getMessage());
|
|
resp.send(this.outputStream);
|
|
safeClose(this.outputStream);
|
|
} catch (IOException ioe) {
|
|
Response resp = newFixedLengthResponse(Response.Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT,
|
|
"SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
|
|
resp.send(this.outputStream);
|
|
safeClose(this.outputStream);
|
|
} catch (ResponseException re) {
|
|
Response resp = newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage());
|
|
resp.send(this.outputStream);
|
|
safeClose(this.outputStream);
|
|
} finally {
|
|
safeClose(r);
|
|
this.tempFileManager.clear();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find byte index separating header from body. It must be the last byte of the
|
|
* first two sequential new lines.
|
|
*/
|
|
private int findHeaderEnd(final byte[] buf, int rlen) {
|
|
int splitbyte = 0;
|
|
while (splitbyte + 1 < rlen) {
|
|
|
|
// RFC2616
|
|
if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n' && splitbyte + 3 < rlen
|
|
&& buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n') {
|
|
return splitbyte + 4;
|
|
}
|
|
|
|
// tolerance
|
|
if (buf[splitbyte] == '\n' && buf[splitbyte + 1] == '\n') {
|
|
return splitbyte + 2;
|
|
}
|
|
splitbyte++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Find the byte positions where multipart boundaries start. This reads a large
|
|
* block at a time and uses a temporary buffer to optimize (memory mapped) file
|
|
* access.
|
|
*/
|
|
private int[] getBoundaryPositions(ByteBuffer b, byte[] boundary) {
|
|
int[] res = new int[0];
|
|
if (b.remaining() < boundary.length) {
|
|
return res;
|
|
}
|
|
|
|
int search_window_pos = 0;
|
|
byte[] search_window = new byte[4 * 1024 + boundary.length];
|
|
|
|
int first_fill = (b.remaining() < search_window.length) ? b.remaining() : search_window.length;
|
|
b.get(search_window, 0, first_fill);
|
|
int new_bytes = first_fill - boundary.length;
|
|
|
|
do {
|
|
// Search the search_window
|
|
for (int j = 0; j < new_bytes; j++) {
|
|
for (int i = 0; i < boundary.length; i++) {
|
|
if (search_window[j + i] != boundary[i])
|
|
break;
|
|
if (i == boundary.length - 1) {
|
|
// Match found, add it to results
|
|
int[] new_res = new int[res.length + 1];
|
|
System.arraycopy(res, 0, new_res, 0, res.length);
|
|
new_res[res.length] = search_window_pos + j;
|
|
res = new_res;
|
|
}
|
|
}
|
|
}
|
|
search_window_pos += new_bytes;
|
|
|
|
// Copy the end of the buffer to the start
|
|
System.arraycopy(search_window, search_window.length - boundary.length, search_window, 0,
|
|
boundary.length);
|
|
|
|
// Refill search_window
|
|
new_bytes = search_window.length - boundary.length;
|
|
new_bytes = (b.remaining() < new_bytes) ? b.remaining() : new_bytes;
|
|
b.get(search_window, boundary.length, new_bytes);
|
|
} while (new_bytes > 0);
|
|
return res;
|
|
}
|
|
|
|
@Override
|
|
public CookieHandler getCookies() {
|
|
return this.cookies;
|
|
}
|
|
|
|
@Override
|
|
public final Map<String, String> getHeaders() {
|
|
return this.headers;
|
|
}
|
|
|
|
@Override
|
|
public final InputStream getInputStream() {
|
|
return this.inputStream;
|
|
}
|
|
|
|
@Override
|
|
public final Method getMethod() {
|
|
return this.method;
|
|
}
|
|
|
|
/**
|
|
* @deprecated use {@link #getParameters()} instead.
|
|
*/
|
|
@Override
|
|
@Deprecated
|
|
public final Map<String, String> getParms() {
|
|
Map<String, String> result = new HashMap<String, String>();
|
|
for (String key : this.parms.keySet()) {
|
|
result.put(key, this.parms.get(key).get(0));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
@Override
|
|
public final Map<String, List<String>> getParameters() {
|
|
return this.parms;
|
|
}
|
|
|
|
@Override
|
|
public String getQueryParameterString() {
|
|
return this.queryParameterString;
|
|
}
|
|
|
|
private RandomAccessFile getTmpBucket() {
|
|
try {
|
|
TempFile tempFile = this.tempFileManager.createTempFile(null);
|
|
return new RandomAccessFile(tempFile.getName(), "rw");
|
|
} catch (Exception e) {
|
|
throw new Error(e); // we won't recover, so throw an error
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public final String getUri() {
|
|
return this.uri;
|
|
}
|
|
|
|
/**
|
|
* Deduce body length in bytes. Either from "content-length" header or read
|
|
* bytes.
|
|
*/
|
|
public long getBodySize() {
|
|
if (this.headers.containsKey("content-length")) {
|
|
return Long.parseLong(this.headers.get("content-length"));
|
|
} else if (this.splitbyte < this.rlen) {
|
|
return this.rlen - this.splitbyte;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
@Override
|
|
public void parseBody(Map<String, String> files) throws IOException, ResponseException {
|
|
RandomAccessFile randomAccessFile = null;
|
|
try {
|
|
long size = getBodySize();
|
|
ByteArrayOutputStream baos = null;
|
|
DataOutput requestDataOutput = null;
|
|
|
|
// Store the request in memory or a file, depending on size
|
|
if (size < MEMORY_STORE_LIMIT) {
|
|
baos = new ByteArrayOutputStream();
|
|
requestDataOutput = new DataOutputStream(baos);
|
|
} else {
|
|
randomAccessFile = getTmpBucket();
|
|
requestDataOutput = randomAccessFile;
|
|
}
|
|
|
|
// Read all the body and write it to request_data_output
|
|
byte[] buf = new byte[REQUEST_BUFFER_LEN];
|
|
while (this.rlen >= 0 && size > 0) {
|
|
this.rlen = this.inputStream.read(buf, 0, (int) Math.min(size, REQUEST_BUFFER_LEN));
|
|
size -= this.rlen;
|
|
if (this.rlen > 0) {
|
|
requestDataOutput.write(buf, 0, this.rlen);
|
|
}
|
|
}
|
|
|
|
ByteBuffer fbuf = null;
|
|
if (baos != null) {
|
|
fbuf = ByteBuffer.wrap(baos.toByteArray(), 0, baos.size());
|
|
} else {
|
|
fbuf = randomAccessFile.getChannel().map(FileChannel.MapMode.READ_ONLY, 0,
|
|
randomAccessFile.length());
|
|
randomAccessFile.seek(0);
|
|
}
|
|
|
|
// If the method is POST, there may be parameters
|
|
// in data section, too, read it:
|
|
if (Method.POST.equals(this.method)) {
|
|
ContentType contentType = new ContentType(this.headers.get("content-type"));
|
|
if (contentType.isMultipart()) {
|
|
String boundary = contentType.getBoundary();
|
|
if (boundary == null) {
|
|
throw new ResponseException(Response.Status.BAD_REQUEST,
|
|
"BAD REQUEST: Content type is multipart/form-data but boundary missing. Usage: GET /example/file.html");
|
|
}
|
|
decodeMultipartFormData(contentType, fbuf, this.parms, files);
|
|
} else {
|
|
byte[] postBytes = new byte[fbuf.remaining()];
|
|
fbuf.get(postBytes);
|
|
String postLine = new String(postBytes, contentType.getEncoding()).trim();
|
|
// Handle application/x-www-form-urlencoded
|
|
if ("application/x-www-form-urlencoded".equalsIgnoreCase(contentType.getContentType())) {
|
|
decodeParms(postLine, this.parms);
|
|
} else if (postLine.length() != 0) {
|
|
// Special case for raw POST data => create a
|
|
// special files entry "postData" with raw content
|
|
// data
|
|
files.put("postData", postLine);
|
|
}
|
|
}
|
|
} else if (Method.PUT.equals(this.method)) {
|
|
files.put("content", saveTmpFile(fbuf, 0, fbuf.limit(), null));
|
|
}
|
|
} finally {
|
|
safeClose(randomAccessFile);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieves the content of a sent file and saves it to a temporary file. The
|
|
* full path to the saved file is returned.
|
|
*/
|
|
private String saveTmpFile(ByteBuffer b, int offset, int len, String filename_hint) {
|
|
String path = "";
|
|
if (len > 0) {
|
|
FileOutputStream fileOutputStream = null;
|
|
try {
|
|
TempFile tempFile = this.tempFileManager.createTempFile(filename_hint);
|
|
ByteBuffer src = b.duplicate();
|
|
fileOutputStream = new FileOutputStream(tempFile.getName());
|
|
FileChannel dest = fileOutputStream.getChannel();
|
|
src.position(offset).limit(offset + len);
|
|
dest.write(src.slice());
|
|
path = tempFile.getName();
|
|
} catch (Exception e) { // Catch exception if any
|
|
throw new Error(e); // we won't recover, so throw an error
|
|
} finally {
|
|
safeClose(fileOutputStream);
|
|
}
|
|
}
|
|
return path;
|
|
}
|
|
|
|
@Override
|
|
public String getRemoteIpAddress() {
|
|
return this.remoteIp;
|
|
}
|
|
|
|
@Override
|
|
public String getRemoteHostName() {
|
|
return this.remoteHostname;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handles one session, i.e. parses the HTTP request and returns the response.
|
|
*/
|
|
public interface IHTTPSession {
|
|
|
|
void execute() throws IOException;
|
|
|
|
CookieHandler getCookies();
|
|
|
|
Map<String, String> getHeaders();
|
|
|
|
InputStream getInputStream();
|
|
|
|
Method getMethod();
|
|
|
|
/**
|
|
* This method will only return the first value for a given parameter. You will
|
|
* want to use getParameters if you expect multiple values for a given key.
|
|
*
|
|
* @deprecated use {@link #getParameters()} instead.
|
|
*/
|
|
@Deprecated
|
|
Map<String, String> getParms();
|
|
|
|
Map<String, List<String>> getParameters();
|
|
|
|
String getQueryParameterString();
|
|
|
|
/**
|
|
* @return the path part of the URL.
|
|
*/
|
|
String getUri();
|
|
|
|
/**
|
|
* Adds the files in the request body to the files map.
|
|
*
|
|
* @param files map to modify
|
|
*/
|
|
void parseBody(Map<String, String> files) throws IOException, ResponseException;
|
|
|
|
/**
|
|
* Get the remote ip address of the requester.
|
|
*
|
|
* @return the IP address.
|
|
*/
|
|
String getRemoteIpAddress();
|
|
|
|
/**
|
|
* Get the remote hostname of the requester.
|
|
*
|
|
* @return the hostname.
|
|
*/
|
|
String getRemoteHostName();
|
|
}
|
|
|
|
/**
|
|
* HTTP Request methods, with the ability to decode a <code>String</code> back
|
|
* to its enum value.
|
|
*/
|
|
public enum Method {
|
|
GET, PUT, POST, DELETE, HEAD, OPTIONS, TRACE, CONNECT, PATCH, PROPFIND, PROPPATCH, MKCOL, MOVE, COPY, LOCK,
|
|
UNLOCK;
|
|
|
|
static Method lookup(String method) {
|
|
if (method == null)
|
|
return null;
|
|
|
|
try {
|
|
return valueOf(method);
|
|
} catch (IllegalArgumentException e) {
|
|
// TODO: Log it?
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* HTTP response. Return one of these from serve().
|
|
*/
|
|
public static class Response implements Closeable {
|
|
|
|
public interface IStatus {
|
|
|
|
String getDescription();
|
|
|
|
int getRequestStatus();
|
|
}
|
|
|
|
/**
|
|
* Some HTTP response status codes
|
|
*/
|
|
public enum Status implements IStatus {
|
|
SWITCH_PROTOCOL(101, "Switching Protocols"),
|
|
|
|
OK(200, "OK"), CREATED(201, "Created"), ACCEPTED(202, "Accepted"), NO_CONTENT(204, "No Content"),
|
|
PARTIAL_CONTENT(206, "Partial Content"), MULTI_STATUS(207, "Multi-Status"),
|
|
|
|
REDIRECT(301, "Moved Permanently"),
|
|
/**
|
|
* Many user agents mishandle 302 in ways that violate the RFC1945 spec (i.e.,
|
|
* redirect a POST to a GET). 303 and 307 were added in RFC2616 to address this.
|
|
* You should prefer 303 and 307 unless the calling user agent does not support
|
|
* 303 and 307 functionality
|
|
*/
|
|
@Deprecated
|
|
FOUND(302, "Found"), REDIRECT_SEE_OTHER(303, "See Other"), NOT_MODIFIED(304, "Not Modified"),
|
|
TEMPORARY_REDIRECT(307, "Temporary Redirect"),
|
|
|
|
BAD_REQUEST(400, "Bad Request"), UNAUTHORIZED(401, "Unauthorized"), FORBIDDEN(403, "Forbidden"),
|
|
NOT_FOUND(404, "Not Found"), METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
|
|
NOT_ACCEPTABLE(406, "Not Acceptable"), REQUEST_TIMEOUT(408, "Request Timeout"), CONFLICT(409, "Conflict"),
|
|
GONE(410, "Gone"), LENGTH_REQUIRED(411, "Length Required"), PRECONDITION_FAILED(412, "Precondition Failed"),
|
|
PAYLOAD_TOO_LARGE(413, "Payload Too Large"), UNSUPPORTED_MEDIA_TYPE(415, "Unsupported Media Type"),
|
|
RANGE_NOT_SATISFIABLE(416, "Requested Range Not Satisfiable"),
|
|
EXPECTATION_FAILED(417, "Expectation Failed"), TOO_MANY_REQUESTS(429, "Too Many Requests"),
|
|
|
|
INTERNAL_ERROR(500, "Internal Server Error"), NOT_IMPLEMENTED(501, "Not Implemented"),
|
|
SERVICE_UNAVAILABLE(503, "Service Unavailable"),
|
|
UNSUPPORTED_HTTP_VERSION(505, "HTTP Version Not Supported");
|
|
|
|
private final int requestStatus;
|
|
|
|
private final String description;
|
|
|
|
Status(int requestStatus, String description) {
|
|
this.requestStatus = requestStatus;
|
|
this.description = description;
|
|
}
|
|
|
|
public static Status lookup(int requestStatus) {
|
|
for (Status status : Status.values()) {
|
|
if (status.getRequestStatus() == requestStatus) {
|
|
return status;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public String getDescription() {
|
|
return "" + this.requestStatus + " " + this.description;
|
|
}
|
|
|
|
@Override
|
|
public int getRequestStatus() {
|
|
return this.requestStatus;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Output stream that will automatically send every write to the wrapped
|
|
* OutputStream according to chunked transfer:
|
|
* http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6.1
|
|
*/
|
|
private static class ChunkedOutputStream extends FilterOutputStream {
|
|
|
|
public ChunkedOutputStream(OutputStream out) {
|
|
super(out);
|
|
}
|
|
|
|
@Override
|
|
public void write(int b) throws IOException {
|
|
byte[] data = { (byte) b };
|
|
write(data, 0, 1);
|
|
}
|
|
|
|
@Override
|
|
public void write(byte[] b) throws IOException {
|
|
write(b, 0, b.length);
|
|
}
|
|
|
|
@Override
|
|
public void write(byte[] b, int off, int len) throws IOException {
|
|
if (len == 0)
|
|
return;
|
|
out.write(String.format("%x\r\n", len).getBytes());
|
|
out.write(b, off, len);
|
|
out.write("\r\n".getBytes());
|
|
}
|
|
|
|
public void finish() throws IOException {
|
|
out.write("0\r\n\r\n".getBytes());
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* HTTP status code after processing, e.g. "200 OK", Status.OK
|
|
*/
|
|
private IStatus status;
|
|
|
|
/**
|
|
* MIME type of content, e.g. "text/html"
|
|
*/
|
|
private String mimeType;
|
|
|
|
/**
|
|
* Data of the response, may be null.
|
|
*/
|
|
private InputStream data;
|
|
|
|
private long contentLength;
|
|
|
|
/**
|
|
* Headers for the HTTP response. Use addHeader() to add lines. the lowercase
|
|
* map is automatically kept up to date.
|
|
*/
|
|
@SuppressWarnings("serial")
|
|
private final Map<String, String> header = new HashMap<String, String>() {
|
|
|
|
public String put(String key, String value) {
|
|
lowerCaseHeader.put(key == null ? key : key.toLowerCase(), value);
|
|
return super.put(key, value);
|
|
};
|
|
};
|
|
|
|
/**
|
|
* copy of the header map with all the keys lowercase for faster searching.
|
|
*/
|
|
private final Map<String, String> lowerCaseHeader = new HashMap<String, String>();
|
|
|
|
/**
|
|
* The request method that spawned this response.
|
|
*/
|
|
private Method requestMethod;
|
|
|
|
/**
|
|
* Use chunkedTransfer
|
|
*/
|
|
private boolean chunkedTransfer;
|
|
|
|
private boolean encodeAsGzip;
|
|
|
|
private boolean keepAlive;
|
|
|
|
/**
|
|
* Creates a fixed length response if totalBytes>=0, otherwise chunked.
|
|
*/
|
|
protected Response(IStatus status, String mimeType, InputStream data, long totalBytes) {
|
|
this.status = status;
|
|
this.mimeType = mimeType;
|
|
if (data == null) {
|
|
this.data = new ByteArrayInputStream(new byte[0]);
|
|
this.contentLength = 0L;
|
|
} else {
|
|
this.data = data;
|
|
this.contentLength = totalBytes;
|
|
}
|
|
this.chunkedTransfer = this.contentLength < 0;
|
|
keepAlive = true;
|
|
}
|
|
|
|
@Override
|
|
public void close() throws IOException {
|
|
if (this.data != null) {
|
|
this.data.close();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds given line to the header.
|
|
*/
|
|
public void addHeader(String name, String value) {
|
|
this.header.put(name, value);
|
|
}
|
|
|
|
/**
|
|
* Indicate to close the connection after the Response has been sent.
|
|
*
|
|
* @param close {@code true} to hint connection closing, {@code false} to let
|
|
* connection be closed by client.
|
|
*/
|
|
public void closeConnection(boolean close) {
|
|
if (close)
|
|
this.header.put("connection", "close");
|
|
else
|
|
this.header.remove("connection");
|
|
}
|
|
|
|
/**
|
|
* @return {@code true} if connection is to be closed after this Response has
|
|
* been sent.
|
|
*/
|
|
public boolean isCloseConnection() {
|
|
return "close".equals(getHeader("connection"));
|
|
}
|
|
|
|
public InputStream getData() {
|
|
return this.data;
|
|
}
|
|
|
|
public String getHeader(String name) {
|
|
return this.lowerCaseHeader.get(name.toLowerCase());
|
|
}
|
|
|
|
public String getMimeType() {
|
|
return this.mimeType;
|
|
}
|
|
|
|
public Method getRequestMethod() {
|
|
return this.requestMethod;
|
|
}
|
|
|
|
public IStatus getStatus() {
|
|
return this.status;
|
|
}
|
|
|
|
public void setGzipEncoding(boolean encodeAsGzip) {
|
|
this.encodeAsGzip = encodeAsGzip;
|
|
}
|
|
|
|
public void setKeepAlive(boolean useKeepAlive) {
|
|
this.keepAlive = useKeepAlive;
|
|
}
|
|
|
|
/**
|
|
* Sends given response to the socket.
|
|
*/
|
|
protected void send(OutputStream outputStream) {
|
|
SimpleDateFormat gmtFrmt = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss 'GMT'", Locale.US);
|
|
gmtFrmt.setTimeZone(TimeZone.getTimeZone("GMT"));
|
|
|
|
try {
|
|
if (this.status == null) {
|
|
throw new Error("sendResponse(): Status can't be null.");
|
|
}
|
|
PrintWriter pw = new PrintWriter(
|
|
new BufferedWriter(
|
|
new OutputStreamWriter(outputStream, new ContentType(this.mimeType).getEncoding())),
|
|
false);
|
|
pw.append("HTTP/1.1 ").append(this.status.getDescription()).append(" \r\n");
|
|
if (this.mimeType != null) {
|
|
printHeader(pw, "Content-Type", this.mimeType);
|
|
}
|
|
if (getHeader("date") == null) {
|
|
printHeader(pw, "Date", gmtFrmt.format(new Date()));
|
|
}
|
|
for (Entry<String, String> entry : this.header.entrySet()) {
|
|
printHeader(pw, entry.getKey(), entry.getValue());
|
|
}
|
|
if (getHeader("connection") == null) {
|
|
printHeader(pw, "Connection", (this.keepAlive ? "keep-alive" : "close"));
|
|
}
|
|
if (getHeader("content-length") != null) {
|
|
encodeAsGzip = false;
|
|
}
|
|
if (encodeAsGzip) {
|
|
printHeader(pw, "Content-Encoding", "gzip");
|
|
setChunkedTransfer(true);
|
|
}
|
|
long pending = this.data != null ? this.contentLength : 0;
|
|
if (this.requestMethod != Method.HEAD && this.chunkedTransfer) {
|
|
printHeader(pw, "Transfer-Encoding", "chunked");
|
|
} else if (!encodeAsGzip) {
|
|
pending = sendContentLengthHeaderIfNotAlreadyPresent(pw, pending);
|
|
}
|
|
pw.append("\r\n");
|
|
pw.flush();
|
|
sendBodyWithCorrectTransferAndEncoding(outputStream, pending);
|
|
outputStream.flush();
|
|
safeClose(this.data);
|
|
} catch (IOException ioe) {
|
|
NanoHTTPD.LOG.log(Level.SEVERE, "Could not send response to the client", ioe);
|
|
}
|
|
}
|
|
|
|
@SuppressWarnings("static-method")
|
|
protected void printHeader(PrintWriter pw, String key, String value) {
|
|
pw.append(key).append(": ").append(value).append("\r\n");
|
|
}
|
|
|
|
protected long sendContentLengthHeaderIfNotAlreadyPresent(PrintWriter pw, long defaultSize) {
|
|
String contentLengthString = getHeader("content-length");
|
|
long size = defaultSize;
|
|
if (contentLengthString != null) {
|
|
try {
|
|
size = Long.parseLong(contentLengthString);
|
|
} catch (NumberFormatException ex) {
|
|
LOG.severe("content-length was no number " + contentLengthString);
|
|
}
|
|
}
|
|
pw.print("Content-Length: " + size + "\r\n");
|
|
return size;
|
|
}
|
|
|
|
private void sendBodyWithCorrectTransferAndEncoding(OutputStream outputStream, long pending)
|
|
throws IOException {
|
|
if (this.requestMethod != Method.HEAD && this.chunkedTransfer) {
|
|
ChunkedOutputStream chunkedOutputStream = new ChunkedOutputStream(outputStream);
|
|
sendBodyWithCorrectEncoding(chunkedOutputStream, -1);
|
|
chunkedOutputStream.finish();
|
|
} else {
|
|
sendBodyWithCorrectEncoding(outputStream, pending);
|
|
}
|
|
}
|
|
|
|
private void sendBodyWithCorrectEncoding(OutputStream outputStream, long pending) throws IOException {
|
|
if (encodeAsGzip) {
|
|
GZIPOutputStream gzipOutputStream = new GZIPOutputStream(outputStream);
|
|
sendBody(gzipOutputStream, -1);
|
|
gzipOutputStream.finish();
|
|
} else {
|
|
sendBody(outputStream, pending);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sends the body to the specified OutputStream. The pending parameter limits
|
|
* the maximum amounts of bytes sent unless it is -1, in which case everything
|
|
* is sent.
|
|
*
|
|
* @param outputStream the OutputStream to send data to
|
|
* @param pending -1 to send everything, otherwise sets a max limit to the
|
|
* number of bytes sent
|
|
* @throws IOException if something goes wrong while sending the data.
|
|
*/
|
|
private void sendBody(OutputStream outputStream, long pending) throws IOException {
|
|
long BUFFER_SIZE = 16 * 1024;
|
|
byte[] buff = new byte[(int) BUFFER_SIZE];
|
|
boolean sendEverything = pending == -1;
|
|
while (pending > 0 || sendEverything) {
|
|
long bytesToRead = sendEverything ? BUFFER_SIZE : Math.min(pending, BUFFER_SIZE);
|
|
int read = this.data.read(buff, 0, (int) bytesToRead);
|
|
if (read <= 0) {
|
|
break;
|
|
}
|
|
outputStream.write(buff, 0, read);
|
|
if (!sendEverything) {
|
|
pending -= read;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void setChunkedTransfer(boolean chunkedTransfer) {
|
|
this.chunkedTransfer = chunkedTransfer;
|
|
}
|
|
|
|
public void setData(InputStream data) {
|
|
this.data = data;
|
|
}
|
|
|
|
public void setMimeType(String mimeType) {
|
|
this.mimeType = mimeType;
|
|
}
|
|
|
|
public void setRequestMethod(Method requestMethod) {
|
|
this.requestMethod = requestMethod;
|
|
}
|
|
|
|
public void setStatus(IStatus status) {
|
|
this.status = status;
|
|
}
|
|
}
|
|
|
|
public static final class ResponseException extends Exception {
|
|
|
|
private static final long serialVersionUID = 6569838532917408380L;
|
|
|
|
private final Response.Status status;
|
|
|
|
public ResponseException(Response.Status status, String message) {
|
|
super(message);
|
|
this.status = status;
|
|
}
|
|
|
|
public ResponseException(Response.Status status, String message, Exception e) {
|
|
super(message, e);
|
|
this.status = status;
|
|
}
|
|
|
|
public Response.Status getStatus() {
|
|
return this.status;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The runnable that will be used for the main listening thread.
|
|
*/
|
|
public class ServerRunnable implements Runnable {
|
|
|
|
private final int timeout;
|
|
|
|
private IOException bindException;
|
|
|
|
private boolean hasBinded = false;
|
|
|
|
public ServerRunnable(int timeout) {
|
|
this.timeout = timeout;
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
myServerSocket.bind(
|
|
hostname != null ? new InetSocketAddress(hostname, myPort) : new InetSocketAddress(myPort));
|
|
hasBinded = true;
|
|
} catch (IOException e) {
|
|
this.bindException = e;
|
|
return;
|
|
}
|
|
do {
|
|
try {
|
|
final Socket finalAccept = NanoHTTPD.this.myServerSocket.accept();
|
|
if (this.timeout > 0) {
|
|
finalAccept.setSoTimeout(this.timeout);
|
|
}
|
|
final InputStream inputStream = finalAccept.getInputStream();
|
|
NanoHTTPD.this.asyncRunner.exec(createClientHandler(finalAccept, inputStream));
|
|
} catch (IOException e) {
|
|
NanoHTTPD.LOG.log(Level.FINE, "Communication with the client broken", e);
|
|
}
|
|
} while (!NanoHTTPD.this.myServerSocket.isClosed());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A temp file.
|
|
* <p/>
|
|
* <p>
|
|
* Temp files are responsible for managing the actual temporary storage and
|
|
* cleaning themselves up when no longer needed.
|
|
* </p>
|
|
*/
|
|
public interface TempFile {
|
|
|
|
public void delete() throws Exception;
|
|
|
|
public String getName();
|
|
|
|
public OutputStream open() throws Exception;
|
|
}
|
|
|
|
/**
|
|
* Temp file manager.
|
|
* <p/>
|
|
* <p>
|
|
* Temp file managers are created 1-to-1 with incoming requests, to create and
|
|
* cleanup temporary files created as a result of handling the request.
|
|
* </p>
|
|
*/
|
|
public interface TempFileManager {
|
|
|
|
void clear();
|
|
|
|
public TempFile createTempFile(String filename_hint) throws Exception;
|
|
}
|
|
|
|
/**
|
|
* Factory to create temp file managers.
|
|
*/
|
|
public interface TempFileManagerFactory {
|
|
|
|
public TempFileManager create();
|
|
}
|
|
|
|
/**
|
|
* Factory to create ServerSocketFactories.
|
|
*/
|
|
public interface ServerSocketFactory {
|
|
|
|
public ServerSocket create() throws IOException;
|
|
|
|
}
|
|
|
|
/**
|
|
* Maximum time to wait on Socket.getInputStream().read() (in milliseconds) This
|
|
* is required as the Keep-Alive HTTP connections would otherwise block the
|
|
* socket reading thread forever (or as long the browser is open).
|
|
*/
|
|
public static final int SOCKET_READ_TIMEOUT = 5000;
|
|
|
|
/**
|
|
* Common MIME type for dynamic content: plain text
|
|
*/
|
|
public static final String MIME_PLAINTEXT = "text/plain";
|
|
|
|
/**
|
|
* Common MIME type for dynamic content: html
|
|
*/
|
|
public static final String MIME_HTML = "text/html";
|
|
|
|
/**
|
|
* Pseudo-Parameter to use to store the actual query string in the parameters
|
|
* map for later re-processing.
|
|
*/
|
|
private static final String QUERY_STRING_PARAMETER = "NanoHttpd.QUERY_STRING";
|
|
|
|
/**
|
|
* logger to log to.
|
|
*/
|
|
private static final Logger LOG = Logger.getLogger(NanoHTTPD.class.getName());
|
|
|
|
/**
|
|
* Hashtable mapping (String)FILENAME_EXTENSION -> (String)MIME_TYPE
|
|
*/
|
|
protected static Map<String, String> MIME_TYPES;
|
|
|
|
public static Map<String, String> mimeTypes() {
|
|
if (MIME_TYPES == null) {
|
|
MIME_TYPES = new HashMap<String, String>();
|
|
loadMimeTypes(MIME_TYPES, "META-INF/nanohttpd/default-mimetypes.properties");
|
|
loadMimeTypes(MIME_TYPES, "META-INF/nanohttpd/mimetypes.properties");
|
|
if (MIME_TYPES.isEmpty()) {
|
|
LOG.log(Level.WARNING, "no mime types found in the classpath! please provide mimetypes.properties");
|
|
}
|
|
}
|
|
return MIME_TYPES;
|
|
}
|
|
|
|
@SuppressWarnings({ "unchecked", "rawtypes" })
|
|
private static void loadMimeTypes(Map<String, String> result, String resourceName) {
|
|
try {
|
|
Enumeration<URL> resources = NanoHTTPD.class.getClassLoader().getResources(resourceName);
|
|
while (resources.hasMoreElements()) {
|
|
URL url = (URL) resources.nextElement();
|
|
Properties properties = new Properties();
|
|
InputStream stream = null;
|
|
try {
|
|
stream = url.openStream();
|
|
properties.load(stream);
|
|
} catch (IOException e) {
|
|
LOG.log(Level.SEVERE, "could not load mimetypes from " + url, e);
|
|
} finally {
|
|
safeClose(stream);
|
|
}
|
|
result.putAll((Map) properties);
|
|
}
|
|
} catch (IOException e) {
|
|
LOG.log(Level.INFO, "no mime types available at " + resourceName);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and an array of
|
|
* loaded KeyManagers. These objects must properly loaded/initialized by the
|
|
* caller.
|
|
*/
|
|
public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManager[] keyManagers)
|
|
throws IOException {
|
|
SSLServerSocketFactory res = null;
|
|
try {
|
|
TrustManagerFactory trustManagerFactory = TrustManagerFactory
|
|
.getInstance(TrustManagerFactory.getDefaultAlgorithm());
|
|
trustManagerFactory.init(loadedKeyStore);
|
|
SSLContext ctx = SSLContext.getInstance("TLS");
|
|
ctx.init(keyManagers, trustManagerFactory.getTrustManagers(), null);
|
|
res = ctx.getServerSocketFactory();
|
|
} catch (Exception e) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and a loaded
|
|
* KeyManagerFactory. These objects must properly loaded/initialized by the
|
|
* caller.
|
|
*/
|
|
public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore,
|
|
KeyManagerFactory loadedKeyFactory) throws IOException {
|
|
try {
|
|
return makeSSLSocketFactory(loadedKeyStore, loadedKeyFactory.getKeyManagers());
|
|
} catch (Exception e) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates an SSLSocketFactory for HTTPS. Pass a KeyStore resource with your
|
|
* certificate and passphrase
|
|
*/
|
|
public static SSLServerSocketFactory makeSSLSocketFactory(String keyAndTrustStoreClasspathPath, char[] passphrase)
|
|
throws IOException {
|
|
try {
|
|
KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
|
|
InputStream keystoreStream = NanoHTTPD.class.getResourceAsStream(keyAndTrustStoreClasspathPath);
|
|
|
|
if (keystoreStream == null) {
|
|
throw new IOException("Unable to load keystore from classpath: " + keyAndTrustStoreClasspathPath);
|
|
}
|
|
|
|
keystore.load(keystoreStream, passphrase);
|
|
KeyManagerFactory keyManagerFactory = KeyManagerFactory
|
|
.getInstance(KeyManagerFactory.getDefaultAlgorithm());
|
|
keyManagerFactory.init(keystore, passphrase);
|
|
return makeSSLSocketFactory(keystore, keyManagerFactory);
|
|
} catch (Exception e) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get MIME type from file name extension, if possible
|
|
*
|
|
* @param uri the string representing a file
|
|
* @return the connected mime/type
|
|
*/
|
|
public static String getMimeTypeForFile(String uri) {
|
|
int dot = uri.lastIndexOf('.');
|
|
String mime = null;
|
|
if (dot >= 0) {
|
|
mime = mimeTypes().get(uri.substring(dot + 1).toLowerCase());
|
|
}
|
|
return mime == null ? "application/octet-stream" : mime;
|
|
}
|
|
|
|
private static final void safeClose(Object closeable) {
|
|
try {
|
|
if (closeable != null) {
|
|
if (closeable instanceof Closeable) {
|
|
((Closeable) closeable).close();
|
|
} else if (closeable instanceof Socket) {
|
|
((Socket) closeable).close();
|
|
} else if (closeable instanceof ServerSocket) {
|
|
((ServerSocket) closeable).close();
|
|
} else {
|
|
throw new IllegalArgumentException("Unknown object to close");
|
|
}
|
|
}
|
|
} catch (IOException e) {
|
|
NanoHTTPD.LOG.log(Level.SEVERE, "Could not close", e);
|
|
}
|
|
}
|
|
|
|
private final String hostname;
|
|
|
|
private final int myPort;
|
|
|
|
private volatile ServerSocket myServerSocket;
|
|
|
|
private ServerSocketFactory serverSocketFactory = new DefaultServerSocketFactory();
|
|
|
|
private Thread myThread;
|
|
|
|
/**
|
|
* Pluggable strategy for asynchronously executing requests.
|
|
*/
|
|
protected AsyncRunner asyncRunner;
|
|
|
|
/**
|
|
* Pluggable strategy for creating and cleaning up temporary files.
|
|
*/
|
|
private TempFileManagerFactory tempFileManagerFactory;
|
|
|
|
/**
|
|
* Constructs an HTTP server on given port.
|
|
*/
|
|
public NanoHTTPD(int port) {
|
|
this(null, port);
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------
|
|
// //
|
|
//
|
|
// Threading Strategy.
|
|
//
|
|
// -------------------------------------------------------------------------------
|
|
// //
|
|
|
|
/**
|
|
* Constructs an HTTP server on given hostname and port.
|
|
*/
|
|
public NanoHTTPD(String hostname, int port) {
|
|
this.hostname = hostname;
|
|
this.myPort = port;
|
|
setTempFileManagerFactory(new DefaultTempFileManagerFactory());
|
|
setAsyncRunner(new DefaultAsyncRunner());
|
|
}
|
|
|
|
/**
|
|
* Forcibly closes all connections that are open.
|
|
*/
|
|
public synchronized void closeAllConnections() {
|
|
stop();
|
|
}
|
|
|
|
/**
|
|
* create a instance of the client handler, subclasses can return a subclass of
|
|
* the ClientHandler.
|
|
*
|
|
* @param finalAccept the socket the cleint is connected to
|
|
* @param inputStream the input stream
|
|
* @return the client handler
|
|
*/
|
|
protected ClientHandler createClientHandler(final Socket finalAccept, final InputStream inputStream) {
|
|
return new ClientHandler(inputStream, finalAccept);
|
|
}
|
|
|
|
/**
|
|
* Instantiate the server runnable, can be overwritten by subclasses to provide
|
|
* a subclass of the ServerRunnable.
|
|
*
|
|
* @param timeout the socet timeout to use.
|
|
* @return the server runnable.
|
|
*/
|
|
protected ServerRunnable createServerRunnable(final int timeout) {
|
|
return new ServerRunnable(timeout);
|
|
}
|
|
|
|
/**
|
|
* Decode parameters from a URL, handing the case where a single parameter name
|
|
* might have been supplied several times, by return lists of values. In general
|
|
* these lists will contain a single element.
|
|
*
|
|
* @param parms original <b>NanoHTTPD</b> parameters values, as passed to the
|
|
* <code>serve()</code> method.
|
|
* @return a map of <code>String</code> (parameter name) to
|
|
* <code>List<String></code> (a list of the values supplied).
|
|
*/
|
|
protected static Map<String, List<String>> decodeParameters(Map<String, String> parms) {
|
|
return decodeParameters(parms.get(NanoHTTPD.QUERY_STRING_PARAMETER));
|
|
}
|
|
|
|
// -------------------------------------------------------------------------------
|
|
// //
|
|
|
|
/**
|
|
* Decode parameters from a URL, handing the case where a single parameter name
|
|
* might have been supplied several times, by return lists of values. In general
|
|
* these lists will contain a single element.
|
|
*
|
|
* @param queryString a query string pulled from the URL.
|
|
* @return a map of <code>String</code> (parameter name) to
|
|
* <code>List<String></code> (a list of the values supplied).
|
|
*/
|
|
protected static Map<String, List<String>> decodeParameters(String queryString) {
|
|
Map<String, List<String>> parms = new HashMap<String, List<String>>();
|
|
if (queryString != null) {
|
|
StringTokenizer st = new StringTokenizer(queryString, "&");
|
|
while (st.hasMoreTokens()) {
|
|
String e = st.nextToken();
|
|
int sep = e.indexOf('=');
|
|
String propertyName = sep >= 0 ? decodePercent(e.substring(0, sep)).trim() : decodePercent(e).trim();
|
|
if (!parms.containsKey(propertyName)) {
|
|
parms.put(propertyName, new ArrayList<String>());
|
|
}
|
|
String propertyValue = sep >= 0 ? decodePercent(e.substring(sep + 1)) : null;
|
|
if (propertyValue != null) {
|
|
parms.get(propertyName).add(propertyValue);
|
|
}
|
|
}
|
|
}
|
|
return parms;
|
|
}
|
|
|
|
/**
|
|
* Decode percent encoded <code>String</code> values.
|
|
*
|
|
* @param str the percent encoded <code>String</code>
|
|
* @return expanded form of the input, for example "foo%20bar" becomes "foo bar"
|
|
*/
|
|
protected static String decodePercent(String str) {
|
|
String decoded = null;
|
|
try {
|
|
decoded = URLDecoder.decode(str, "UTF8");
|
|
} catch (UnsupportedEncodingException ignored) {
|
|
NanoHTTPD.LOG.log(Level.WARNING, "Encoding not supported, ignored", ignored);
|
|
}
|
|
return decoded;
|
|
}
|
|
|
|
/**
|
|
* @return true if the gzip compression should be used if the client accespts
|
|
* it. Default this option is on for text content and off for
|
|
* everything. Override this for custom semantics.
|
|
*/
|
|
@SuppressWarnings("static-method")
|
|
protected boolean useGzipWhenAccepted(Response r) {
|
|
return r.getMimeType() != null
|
|
&& (r.getMimeType().toLowerCase().contains("text/") || r.getMimeType().toLowerCase().contains("/json"));
|
|
}
|
|
|
|
public final int getListeningPort() {
|
|
return this.myServerSocket == null ? -1 : this.myServerSocket.getLocalPort();
|
|
}
|
|
|
|
public final boolean isAlive() {
|
|
return wasStarted() && !this.myServerSocket.isClosed() && this.myThread.isAlive();
|
|
}
|
|
|
|
public ServerSocketFactory getServerSocketFactory() {
|
|
return serverSocketFactory;
|
|
}
|
|
|
|
public void setServerSocketFactory(ServerSocketFactory serverSocketFactory) {
|
|
this.serverSocketFactory = serverSocketFactory;
|
|
}
|
|
|
|
public String getHostname() {
|
|
return hostname;
|
|
}
|
|
|
|
public TempFileManagerFactory getTempFileManagerFactory() {
|
|
return tempFileManagerFactory;
|
|
}
|
|
|
|
/**
|
|
* Call before start() to serve over HTTPS instead of HTTP
|
|
*/
|
|
public void makeSecure(SSLServerSocketFactory sslServerSocketFactory, String[] sslProtocols) {
|
|
this.serverSocketFactory = new SecureServerSocketFactory(sslServerSocketFactory, sslProtocols);
|
|
}
|
|
|
|
/**
|
|
* Create a response with unknown length (using HTTP 1.1 chunking).
|
|
*/
|
|
public static Response newChunkedResponse(IStatus status, String mimeType, InputStream data) {
|
|
return new Response(status, mimeType, data, -1);
|
|
}
|
|
|
|
/**
|
|
* Create a response with known length.
|
|
*/
|
|
public static Response newFixedLengthResponse(IStatus status, String mimeType, InputStream data, long totalBytes) {
|
|
return new Response(status, mimeType, data, totalBytes);
|
|
}
|
|
|
|
/**
|
|
* Create a text response with known length.
|
|
*/
|
|
public static Response newFixedLengthResponse(IStatus status, String mimeType, String txt) {
|
|
ContentType contentType = new ContentType(mimeType);
|
|
if (txt == null) {
|
|
return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(new byte[0]), 0);
|
|
} else {
|
|
byte[] bytes;
|
|
try {
|
|
CharsetEncoder newEncoder = Charset.forName(contentType.getEncoding()).newEncoder();
|
|
if (!newEncoder.canEncode(txt)) {
|
|
contentType = contentType.tryUTF8();
|
|
}
|
|
bytes = txt.getBytes(contentType.getEncoding());
|
|
} catch (UnsupportedEncodingException e) {
|
|
NanoHTTPD.LOG.log(Level.SEVERE, "encoding problem, responding nothing", e);
|
|
bytes = new byte[0];
|
|
}
|
|
return newFixedLengthResponse(status, contentType.getContentTypeHeader(), new ByteArrayInputStream(bytes),
|
|
bytes.length);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a text response with known length.
|
|
*/
|
|
public static Response newFixedLengthResponse(String msg) {
|
|
return newFixedLengthResponse(Status.OK, NanoHTTPD.MIME_HTML, msg);
|
|
}
|
|
|
|
/**
|
|
* Override this to customize the server.
|
|
* <p/>
|
|
* <p/>
|
|
* (By default, this returns a 404 "Not Found" plain text error response.)
|
|
*
|
|
* @param session The HTTP session
|
|
* @return HTTP response, see class Response for details
|
|
*/
|
|
public Response serve(IHTTPSession session) {
|
|
Map<String, String> files = new HashMap<String, String>();
|
|
Method method = session.getMethod();
|
|
if (Method.PUT.equals(method) || Method.POST.equals(method)) {
|
|
try {
|
|
session.parseBody(files);
|
|
} catch (IOException ioe) {
|
|
return newFixedLengthResponse(Response.Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT,
|
|
"SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
|
|
} catch (ResponseException re) {
|
|
return newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage());
|
|
}
|
|
}
|
|
|
|
Map<String, String> parms = session.getParms();
|
|
parms.put(NanoHTTPD.QUERY_STRING_PARAMETER, session.getQueryParameterString());
|
|
return serve(session.getUri(), method, session.getHeaders(), parms, files);
|
|
}
|
|
|
|
/**
|
|
* Override this to customize the server.
|
|
* <p/>
|
|
* <p/>
|
|
* (By default, this returns a 404 "Not Found" plain text error response.)
|
|
*
|
|
* @param uri Percent-decoded URI without parameters, for example
|
|
* "/index.cgi"
|
|
* @param method "GET", "POST" etc.
|
|
* @param parms Parsed, percent decoded parameters from URI and, in case of
|
|
* POST, data.
|
|
* @param headers Header entries, percent decoded
|
|
* @return HTTP response, see class Response for details
|
|
*/
|
|
@Deprecated
|
|
public Response serve(String uri, Method method, Map<String, String> headers, Map<String, String> parms,
|
|
Map<String, String> files) {
|
|
return newFixedLengthResponse(Response.Status.NOT_FOUND, NanoHTTPD.MIME_PLAINTEXT, "Not Found");
|
|
}
|
|
|
|
/**
|
|
* Pluggable strategy for asynchronously executing requests.
|
|
*
|
|
* @param asyncRunner new strategy for handling threads.
|
|
*/
|
|
public void setAsyncRunner(AsyncRunner asyncRunner) {
|
|
this.asyncRunner = asyncRunner;
|
|
}
|
|
|
|
/**
|
|
* Pluggable strategy for creating and cleaning up temporary files.
|
|
*
|
|
* @param tempFileManagerFactory new strategy for handling temp files.
|
|
*/
|
|
public void setTempFileManagerFactory(TempFileManagerFactory tempFileManagerFactory) {
|
|
this.tempFileManagerFactory = tempFileManagerFactory;
|
|
}
|
|
|
|
/**
|
|
* Start the server.
|
|
*
|
|
* @throws IOException if the socket is in use.
|
|
*/
|
|
public void start() throws IOException {
|
|
start(NanoHTTPD.SOCKET_READ_TIMEOUT);
|
|
}
|
|
|
|
/**
|
|
* Starts the server (in setDaemon(true) mode).
|
|
*/
|
|
public void start(final int timeout) throws IOException {
|
|
start(timeout, true);
|
|
}
|
|
|
|
/**
|
|
* Start the server.
|
|
*
|
|
* @param timeout timeout to use for socket connections.
|
|
* @param daemon start the thread daemon or not.
|
|
* @throws IOException if the socket is in use.
|
|
*/
|
|
public void start(final int timeout, boolean daemon) throws IOException {
|
|
this.myServerSocket = this.getServerSocketFactory().create();
|
|
this.myServerSocket.setReuseAddress(true);
|
|
|
|
ServerRunnable serverRunnable = createServerRunnable(timeout);
|
|
this.myThread = new Thread(serverRunnable);
|
|
this.myThread.setDaemon(daemon);
|
|
this.myThread.setName("NanoHttpd Main Listener");
|
|
this.myThread.start();
|
|
while (!serverRunnable.hasBinded && serverRunnable.bindException == null) {
|
|
try {
|
|
Thread.sleep(10L);
|
|
} catch (Throwable e) {
|
|
// on android this may not be allowed, that's why we
|
|
// catch throwable the wait should be very short because we are
|
|
// just waiting for the bind of the socket
|
|
}
|
|
}
|
|
if (serverRunnable.bindException != null) {
|
|
throw serverRunnable.bindException;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Stop the server.
|
|
*/
|
|
public void stop() {
|
|
try {
|
|
safeClose(this.myServerSocket);
|
|
this.asyncRunner.closeAll();
|
|
if (this.myThread != null) {
|
|
this.myThread.join();
|
|
}
|
|
} catch (Exception e) {
|
|
NanoHTTPD.LOG.log(Level.SEVERE, "Could not stop all connections", e);
|
|
}
|
|
}
|
|
|
|
public final boolean wasStarted() {
|
|
return this.myServerSocket != null && this.myThread != null;
|
|
}
|
|
}
|