mirror of
https://github.com/AtlasMediaGroup/TotalFreedomMod.git
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1591 lines
52 KiB
Java
1591 lines
52 KiB
Java
package me.totalfreedom.totalfreedommod.httpd;
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import java.io.BufferedReader;
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import java.io.ByteArrayInputStream;
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import java.io.Closeable;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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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.PrintWriter;
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import java.io.RandomAccessFile;
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import java.io.SequenceInputStream;
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import java.io.UnsupportedEncodingException;
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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.URLDecoder;
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import java.nio.ByteBuffer;
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import java.nio.channels.FileChannel;
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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.Date;
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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.StringTokenizer;
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import java.util.TimeZone;
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import me.totalfreedom.totalfreedommod.util.FLog;
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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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* </p>Copyright (c) 2012-2013 by Paul S. Hawke, 2001,2005-2013 by Jarno Elonen, 2010 by Konstantinos Togias</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 you need them.)</li>
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* <li>Supports parameter parsing of GET and POST methods (+ rudimentary PUT 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 '/'</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 lowercase so they don't vary between 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 licence)
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*/
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public abstract class NanoHTTPD
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{
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/**
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* Common mime type for dynamic content: plain text
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*/
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public static final String MIME_PLAINTEXT = "text/plain";
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/**
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* Common mime type for dynamic content: html
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*/
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public static final String MIME_HTML = "text/html";
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// TFM Start
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/**
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* Common mime type for dynamic content: json
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*/
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public static final String MIME_JSON = "application/json";
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// TFM End
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/**
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* Pseudo-Parameter to use to store the actual query string in the parameters map for later re-processing.
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*/
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private static final String QUERY_STRING_PARAMETER = "NanoHttpd.QUERY_STRING";
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private final String hostname;
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private final int myPort;
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private ServerSocket myServerSocket;
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private Thread myThread;
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/**
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* Pluggable strategy for asynchronously executing requests.
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*/
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private AsyncRunner asyncRunner;
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/**
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* Pluggable strategy for creating and cleaning up temporary files.
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*/
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private TempFileManagerFactory tempFileManagerFactory;
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/**
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* Constructs an HTTP server on given port.
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*/
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public NanoHTTPD(int port)
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{
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this(null, port);
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}
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/**
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* Constructs an HTTP server on given hostname and port.
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*/
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public NanoHTTPD(String hostname, int port)
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{
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this.hostname = hostname;
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this.myPort = port;
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setTempFileManagerFactory(new DefaultTempFileManagerFactory());
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setAsyncRunner(new DefaultAsyncRunner());
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}
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private static final void safeClose(ServerSocket serverSocket)
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{
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if (serverSocket != null)
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{
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try
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{
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serverSocket.close();
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}
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catch (IOException e)
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{
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}
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}
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}
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private static final void safeClose(Socket socket)
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{
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if (socket != null)
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{
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try
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{
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socket.close();
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}
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catch (IOException e)
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{
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}
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}
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}
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private static final void safeClose(Closeable closeable)
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{
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if (closeable != null)
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{
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try
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{
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closeable.close();
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}
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catch (IOException e)
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{
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}
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}
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}
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/**
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* Start the server.
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*
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* @throws IOException if the socket is in use.
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*/
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public void start() throws IOException
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{
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myServerSocket = new ServerSocket();
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myServerSocket.bind((hostname != null) ? new InetSocketAddress(hostname, myPort) : new InetSocketAddress(myPort));
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myThread = new Thread(new Runnable()
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{
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@Override
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public void run()
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{
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do
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{
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try
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{
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final Socket finalAccept = myServerSocket.accept();
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final InputStream inputStream = finalAccept.getInputStream();
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if (inputStream == null)
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{
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safeClose(finalAccept);
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}
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else
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{
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asyncRunner.exec(new Runnable()
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{
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@Override
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public void run()
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{
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OutputStream outputStream = null;
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try
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{
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outputStream = finalAccept.getOutputStream();
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TempFileManager tempFileManager = tempFileManagerFactory.create();
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HTTPSession session = new HTTPSession(tempFileManager, inputStream, outputStream, finalAccept);
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while (!finalAccept.isClosed())
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{
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session.execute();
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}
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}
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catch (Exception e)
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{
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// When the socket is closed by the client, we throw our own SocketException
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// to break the "keep alive" loop above.
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if (!(e instanceof SocketException && "NanoHttpd Shutdown".equals(e.getMessage())))
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{
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FLog.severe(e);
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}
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}
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finally
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{
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safeClose(outputStream);
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safeClose(inputStream);
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safeClose(finalAccept);
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}
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}
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});
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}
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}
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catch (IOException e)
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{
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}
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}
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while (!myServerSocket.isClosed());
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}
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});
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myThread.setDaemon(true);
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myThread.setName("NanoHttpd Main Listener");
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myThread.start();
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}
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/**
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* Stop the server.
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*/
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public void stop()
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{
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try
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{
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safeClose(myServerSocket);
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myThread.join();
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}
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catch (Exception e)
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{
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FLog.severe(e);
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}
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}
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public final int getListeningPort()
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{
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return myServerSocket == null ? -1 : myServerSocket.getLocalPort();
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}
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public final boolean wasStarted()
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{
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return myServerSocket != null && myThread != null;
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}
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public final boolean isAlive()
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{
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return wasStarted() && !myServerSocket.isClosed() && myThread.isAlive();
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}
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/**
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* Override this to customize the server.
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* <p/>
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* <p/>
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* (By default, this delegates to serveFile() and allows directory listing.)
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*
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* @param uri Percent-decoded URI without parameters, for example "/index.cgi"
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* @param method "GET", "POST" etc.
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* @param parms Parsed, percent decoded parameters from URI and, in case of POST, data.
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* @param headers Header entries, percent decoded
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* @return HTTP response, see class Response for details
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*/
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@Deprecated
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public Response serve(String uri, Method method, Map<String, String> headers, Map<String, String> parms,
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Map<String, String> files)
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{
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return new Response(Response.Status.NOT_FOUND, MIME_PLAINTEXT, "Not Found");
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}
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/**
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* Override this to customize the server.
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* <p/>
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* <p/>
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* (By default, this delegates to serveFile() and allows directory listing.)
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*
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* @param session The HTTP session
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* @return HTTP response, see class Response for details
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*/
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public Response serve(HTTPSession session)
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{
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Map<String, String> files = new HashMap<>();
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Method method = session.getMethod();
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if (Method.PUT.equals(method) || Method.POST.equals(method))
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{
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try
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{
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session.parseBody(files);
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}
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catch (IOException ioe)
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{
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return new Response(Response.Status.INTERNAL_ERROR, MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
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}
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catch (ResponseException re)
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{
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return new Response(re.getStatus(), MIME_PLAINTEXT, re.getMessage());
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}
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}
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return serve(session.getUri(), method, session.getHeaders(), session.getParms(), files);
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}
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/**
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* Decode percent encoded <code>String</code> values.
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*
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* @param str the percent encoded <code>String</code>
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* @return expanded form of the input, for example "foo%20bar" becomes "foo bar"
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*/
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protected String decodePercent(String str)
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{
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String decoded = null;
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try
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{
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decoded = URLDecoder.decode(str, "UTF8");
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}
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catch (UnsupportedEncodingException ignored)
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{
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}
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return decoded;
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}
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/**
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* 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
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* element.
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*
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* @param parms original <b>NanoHttpd</b> parameters values, as passed to the <code>serve()</code> method.
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* @return a map of <code>String</code> (parameter name) to <code>List<String></code> (a list of the values supplied).
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*/
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protected Map<String, List<String>> decodeParameters(Map<String, String> parms)
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{
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return this.decodeParameters(parms.get(QUERY_STRING_PARAMETER));
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}
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/**
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* 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
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* element.
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*
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* @param queryString a query string pulled from the URL.
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* @return a map of <code>String</code> (parameter name) to <code>List<String></code> (a list of the values supplied).
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*/
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protected Map<String, List<String>> decodeParameters(String queryString)
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{
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Map<String, List<String>> parms = new HashMap<>();
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if (queryString != null)
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{
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StringTokenizer st = new StringTokenizer(queryString, "&");
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while (st.hasMoreTokens())
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{
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String e = st.nextToken();
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int sep = e.indexOf('=');
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String propertyName = (sep >= 0) ? decodePercent(e.substring(0, sep)).trim() : decodePercent(e).trim();
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if (!parms.containsKey(propertyName))
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{
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parms.put(propertyName, new ArrayList<String>());
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}
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String propertyValue = (sep >= 0) ? decodePercent(e.substring(sep + 1)) : null;
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if (propertyValue != null)
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{
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parms.get(propertyName).add(propertyValue);
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}
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}
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}
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return parms;
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}
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// ------------------------------------------------------------------------------- //
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//
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// Threading Strategy.
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//
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// ------------------------------------------------------------------------------- //
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/**
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* Pluggable strategy for asynchronously executing requests.
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*
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* @param asyncRunner new strategy for handling threads.
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*/
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public void setAsyncRunner(AsyncRunner asyncRunner)
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{
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this.asyncRunner = asyncRunner;
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}
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// ------------------------------------------------------------------------------- //
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//
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// Temp file handling strategy.
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//
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// ------------------------------------------------------------------------------- //
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/**
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* Pluggable strategy for creating and cleaning up temporary files.
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*
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* @param tempFileManagerFactory new strategy for handling temp files.
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*/
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public void setTempFileManagerFactory(TempFileManagerFactory tempFileManagerFactory)
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{
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this.tempFileManagerFactory = tempFileManagerFactory;
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}
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/**
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* HTTP Request methods, with the ability to decode a <code>String</code> back to its enum value.
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*/
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public enum Method
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{
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GET, PUT, POST, DELETE, HEAD;
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static Method lookup(String method)
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{
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for (Method m : Method.values())
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{
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if (m.toString().equalsIgnoreCase(method))
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{
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return m;
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}
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}
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return null;
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}
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}
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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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{
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void exec(Runnable code);
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}
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/**
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* Factory to create temp file managers.
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*/
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public interface TempFileManagerFactory
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{
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TempFileManager create();
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}
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// ------------------------------------------------------------------------------- //
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/**
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* Temp file manager.
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* <p/>
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* <p>
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* 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>
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*/
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public interface TempFileManager
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{
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TempFile createTempFile() throws Exception;
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void clear();
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}
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/**
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* A temp file.
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* <p/>
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* <p>
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* Temp files are responsible for managing the actual temporary storage and cleaning themselves up when no longer needed.</p>
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*/
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public interface TempFile
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{
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OutputStream open() throws Exception;
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void delete() throws Exception;
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String getName();
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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 are set to
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* <i>daemon</i> status, and named according to the request number. The name is useful when profiling the application.</p>
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*/
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public static class DefaultAsyncRunner implements AsyncRunner
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{
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private long requestCount;
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@Override
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public void exec(Runnable code)
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{
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++requestCount;
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Thread t = new Thread(code);
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t.setDaemon(true);
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t.setName("NanoHttpd Request Processor (#" + requestCount + ")");
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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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* </p>This class stores its files in the standard location (that is, wherever <code>java.io.tmpdir</code> points to). Files are added to an internal list, and deleted when no longer needed (that
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* is, when <code>clear()</code> is invoked at the end of processing a request).</p>
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*/
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public static class DefaultTempFileManager implements TempFileManager
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{
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private final String tmpdir;
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private final List<TempFile> tempFiles;
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public DefaultTempFileManager()
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{
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tmpdir = System.getProperty("java.io.tmpdir");
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tempFiles = new ArrayList<>();
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}
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@Override
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public TempFile createTempFile() throws Exception
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{
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DefaultTempFile tempFile = new DefaultTempFile(tmpdir);
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tempFiles.add(tempFile);
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return tempFile;
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}
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@Override
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public void clear()
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{
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for (TempFile file : tempFiles)
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{
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try
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{
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file.delete();
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}
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catch (Exception ignored)
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{
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}
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}
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tempFiles.clear();
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}
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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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* </p></[>By default, files are created by <code>File.createTempFile()</code> in the directory specified.</p>
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*/
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public static class DefaultTempFile implements TempFile
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{
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private File file;
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private OutputStream fstream;
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public DefaultTempFile(String tempdir) throws IOException
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{
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file = File.createTempFile("NanoHTTPD-", "", new File(tempdir));
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fstream = new FileOutputStream(file);
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}
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@Override
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public OutputStream open() throws Exception
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{
|
|
return fstream;
|
|
}
|
|
|
|
@Override
|
|
public void delete() throws Exception
|
|
{
|
|
safeClose(fstream);
|
|
file.delete();
|
|
}
|
|
|
|
@Override
|
|
public String getName()
|
|
{
|
|
return file.getAbsolutePath();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* HTTP response. Return one of these from serve().
|
|
*/
|
|
public static class Response
|
|
{
|
|
|
|
/**
|
|
* HTTP status code after processing, e.g. "200 OK", HTTP_OK
|
|
*/
|
|
private Status status;
|
|
/**
|
|
* MIME type of content, e.g. "text/html"
|
|
*/
|
|
private String mimeType;
|
|
/**
|
|
* Data of the response, may be null.
|
|
*/
|
|
private InputStream data;
|
|
/**
|
|
* Headers for the HTTP response. Use addHeader() to add lines.
|
|
*/
|
|
private Map<String, String> header = new HashMap<>();
|
|
/**
|
|
* The request method that spawned this response.
|
|
*/
|
|
private Method requestMethod;
|
|
/**
|
|
* Use chunkedTransfer
|
|
*/
|
|
private boolean chunkedTransfer;
|
|
|
|
/**
|
|
* Default constructor: response = HTTP_OK, mime = MIME_HTML and your supplied message
|
|
*/
|
|
public Response(String msg)
|
|
{
|
|
this(Status.OK, MIME_HTML, msg);
|
|
}
|
|
|
|
/**
|
|
* Basic constructor.
|
|
*/
|
|
public Response(Status status, String mimeType, InputStream data)
|
|
{
|
|
this.status = status;
|
|
this.mimeType = mimeType;
|
|
this.data = data;
|
|
}
|
|
|
|
/**
|
|
* Convenience method that makes an InputStream out of given text.
|
|
*/
|
|
public Response(Status status, String mimeType, String txt)
|
|
{
|
|
this.status = status;
|
|
this.mimeType = mimeType;
|
|
try
|
|
{
|
|
this.data = txt != null ? new ByteArrayInputStream(txt.getBytes("UTF-8")) : null;
|
|
}
|
|
catch (java.io.UnsupportedEncodingException uee)
|
|
{
|
|
FLog.severe(uee);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds given line to the header.
|
|
*/
|
|
public void addHeader(String name, String value)
|
|
{
|
|
header.put(name, value);
|
|
}
|
|
|
|
/**
|
|
* Sends given response to the socket.
|
|
*/
|
|
private void send(OutputStream outputStream)
|
|
{
|
|
String mime = mimeType;
|
|
SimpleDateFormat gmtFrmt = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss 'GMT'", Locale.US);
|
|
gmtFrmt.setTimeZone(TimeZone.getTimeZone("GMT"));
|
|
|
|
try
|
|
{
|
|
if (status == null)
|
|
{
|
|
throw new Error("sendResponse(): Status can't be null.");
|
|
}
|
|
PrintWriter pw = new PrintWriter(outputStream);
|
|
pw.print("HTTP/1.1 " + status.getDescription() + " \r\n");
|
|
|
|
if (mime != null)
|
|
{
|
|
pw.print("Content-Type: " + mime + "\r\n");
|
|
}
|
|
|
|
if (header == null || header.get("Date") == null)
|
|
{
|
|
pw.print("Date: " + gmtFrmt.format(new Date()) + "\r\n");
|
|
}
|
|
|
|
if (header != null)
|
|
{
|
|
for (String key : header.keySet())
|
|
{
|
|
String value = header.get(key);
|
|
pw.print(key + ": " + value + "\r\n");
|
|
}
|
|
}
|
|
|
|
pw.print("Connection: keep-alive\r\n");
|
|
|
|
if (requestMethod != Method.HEAD && chunkedTransfer)
|
|
{
|
|
sendAsChunked(outputStream, pw);
|
|
}
|
|
else
|
|
{
|
|
sendAsFixedLength(outputStream, pw);
|
|
}
|
|
outputStream.flush();
|
|
safeClose(data);
|
|
}
|
|
catch (IOException ioe)
|
|
{
|
|
// Couldn't write? No can do.
|
|
}
|
|
}
|
|
|
|
private void sendAsChunked(OutputStream outputStream, PrintWriter pw) throws IOException
|
|
{
|
|
pw.print("Transfer-Encoding: chunked\r\n");
|
|
pw.print("\r\n");
|
|
pw.flush();
|
|
int BUFFER_SIZE = 16 * 1024;
|
|
byte[] CRLF = "\r\n".getBytes();
|
|
byte[] buff = new byte[BUFFER_SIZE];
|
|
int read;
|
|
while ((read = data.read(buff)) > 0)
|
|
{
|
|
outputStream.write(String.format("%x\r\n", read).getBytes());
|
|
outputStream.write(buff, 0, read);
|
|
outputStream.write(CRLF);
|
|
}
|
|
outputStream.write(String.format("0\r\n\r\n").getBytes());
|
|
}
|
|
|
|
private void sendAsFixedLength(OutputStream outputStream, PrintWriter pw) throws IOException
|
|
{
|
|
int pending = data != null ? data.available() : 0; // This is to support partial sends, see serveFile()
|
|
pw.print("Content-Length: " + pending + "\r\n");
|
|
|
|
pw.print("\r\n");
|
|
pw.flush();
|
|
|
|
if (requestMethod != Method.HEAD && data != null)
|
|
{
|
|
int BUFFER_SIZE = 16 * 1024;
|
|
byte[] buff = new byte[BUFFER_SIZE];
|
|
while (pending > 0)
|
|
{
|
|
int read = data.read(buff, 0, ((pending > BUFFER_SIZE) ? BUFFER_SIZE : pending));
|
|
if (read <= 0)
|
|
{
|
|
break;
|
|
}
|
|
outputStream.write(buff, 0, read);
|
|
|
|
pending -= read;
|
|
}
|
|
}
|
|
}
|
|
|
|
public Status getStatus()
|
|
{
|
|
return status;
|
|
}
|
|
|
|
public void setStatus(Status status)
|
|
{
|
|
this.status = status;
|
|
}
|
|
|
|
public String getMimeType()
|
|
{
|
|
return mimeType;
|
|
}
|
|
|
|
public void setMimeType(String mimeType)
|
|
{
|
|
this.mimeType = mimeType;
|
|
}
|
|
|
|
public InputStream getData()
|
|
{
|
|
return data;
|
|
}
|
|
|
|
public void setData(InputStream data)
|
|
{
|
|
this.data = data;
|
|
}
|
|
|
|
public Method getRequestMethod()
|
|
{
|
|
return requestMethod;
|
|
}
|
|
|
|
public void setRequestMethod(Method requestMethod)
|
|
{
|
|
this.requestMethod = requestMethod;
|
|
}
|
|
|
|
public void setChunkedTransfer(boolean chunkedTransfer)
|
|
{
|
|
this.chunkedTransfer = chunkedTransfer;
|
|
}
|
|
|
|
/**
|
|
* Some HTTP response status codes
|
|
*/
|
|
public enum Status
|
|
{
|
|
|
|
OK(200, "OK"), CREATED(201, "Created"), ACCEPTED(202, "Accepted"), NO_CONTENT(204, "No Content"), PARTIAL_CONTENT(206, "Partial Content"), REDIRECT(301,
|
|
"Moved Permanently"), NOT_MODIFIED(304, "Not Modified"), BAD_REQUEST(400, "Bad Request"), UNAUTHORIZED(401,
|
|
"Unauthorized"), FORBIDDEN(403, "Forbidden"), NOT_FOUND(404, "Not Found"), RANGE_NOT_SATISFIABLE(416,
|
|
"Requested Range Not Satisfiable"), INTERNAL_ERROR(500, "Internal Server Error");
|
|
private final int requestStatus;
|
|
private final String description;
|
|
|
|
Status(int requestStatus, String description)
|
|
{
|
|
this.requestStatus = requestStatus;
|
|
this.description = description;
|
|
}
|
|
|
|
public int getRequestStatus()
|
|
{
|
|
return this.requestStatus;
|
|
}
|
|
|
|
public String getDescription()
|
|
{
|
|
return "" + this.requestStatus + " " + description;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
public static final class ResponseException extends Exception
|
|
{
|
|
|
|
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 status;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Default strategy for creating and cleaning up temporary files.
|
|
*/
|
|
private class DefaultTempFileManagerFactory implements TempFileManagerFactory
|
|
{
|
|
|
|
@Override
|
|
public TempFileManager create()
|
|
{
|
|
return new DefaultTempFileManager();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handles one session, i.e. parses the HTTP request and returns the response.
|
|
*/
|
|
public class HTTPSession // TFM - protected -> public
|
|
{
|
|
|
|
public static final int BUFSIZE = 8192;
|
|
private final TempFileManager tempFileManager;
|
|
private final OutputStream outputStream;
|
|
private final Socket socket;
|
|
private InputStream inputStream;
|
|
private int splitbyte;
|
|
private int rlen;
|
|
private String uri;
|
|
private Method method;
|
|
private Map<String, String> parms;
|
|
private Map<String, String> headers;
|
|
private CookieHandler cookies;
|
|
|
|
public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream, Socket socket)
|
|
{
|
|
this.tempFileManager = tempFileManager;
|
|
this.inputStream = inputStream;
|
|
this.outputStream = outputStream;
|
|
this.socket = socket;
|
|
}
|
|
|
|
public void execute() throws IOException
|
|
{
|
|
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[BUFSIZE];
|
|
splitbyte = 0;
|
|
rlen = 0;
|
|
{
|
|
int read = inputStream.read(buf, 0, BUFSIZE);
|
|
if (read == -1)
|
|
{
|
|
// socket was been closed
|
|
throw new SocketException("NanoHttpd Shutdown");
|
|
}
|
|
while (read > 0)
|
|
{
|
|
rlen += read;
|
|
splitbyte = findHeaderEnd(buf, rlen);
|
|
if (splitbyte > 0)
|
|
{
|
|
break;
|
|
}
|
|
read = inputStream.read(buf, rlen, BUFSIZE - rlen);
|
|
}
|
|
}
|
|
|
|
if (splitbyte < rlen)
|
|
{
|
|
ByteArrayInputStream splitInputStream = new ByteArrayInputStream(buf, splitbyte, rlen - splitbyte);
|
|
SequenceInputStream sequenceInputStream = new SequenceInputStream(splitInputStream, inputStream);
|
|
inputStream = sequenceInputStream;
|
|
}
|
|
|
|
parms = new HashMap<>();
|
|
headers = new HashMap<>();
|
|
|
|
// Create a BufferedReader for parsing the header.
|
|
BufferedReader hin = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(buf, 0, rlen)));
|
|
|
|
// Decode the header into parms and header java properties
|
|
Map<String, String> pre = new HashMap<>();
|
|
decodeHeader(hin, pre, parms, headers);
|
|
|
|
method = Method.lookup(pre.get("method"));
|
|
if (method == null)
|
|
{
|
|
throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Syntax error.");
|
|
}
|
|
|
|
uri = pre.get("uri");
|
|
|
|
cookies = new CookieHandler(headers);
|
|
|
|
// Ok, now do the serve()
|
|
Response r = serve(this);
|
|
if (r == null)
|
|
{
|
|
throw new ResponseException(Response.Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: Serve() returned a null response.");
|
|
}
|
|
else
|
|
{
|
|
cookies.unloadQueue(r);
|
|
r.setRequestMethod(method);
|
|
r.send(outputStream);
|
|
}
|
|
}
|
|
catch (SocketException e)
|
|
{
|
|
// throw it out to close socket object (finalAccept)
|
|
throw e;
|
|
}
|
|
catch (IOException ioe)
|
|
{
|
|
Response r = new Response(Response.Status.INTERNAL_ERROR, MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
|
|
r.send(outputStream);
|
|
safeClose(outputStream);
|
|
}
|
|
catch (ResponseException re)
|
|
{
|
|
Response r = new Response(re.getStatus(), MIME_PLAINTEXT, re.getMessage());
|
|
r.send(outputStream);
|
|
safeClose(outputStream);
|
|
}
|
|
finally
|
|
{
|
|
tempFileManager.clear();
|
|
}
|
|
}
|
|
|
|
public void parseBody(Map<String, String> files) throws IOException, ResponseException // TFM - protected -> public
|
|
{
|
|
RandomAccessFile randomAccessFile = null;
|
|
BufferedReader in = null;
|
|
try
|
|
{
|
|
|
|
randomAccessFile = getTmpBucket();
|
|
|
|
long size;
|
|
if (headers.containsKey("content-length"))
|
|
{
|
|
size = Integer.parseInt(headers.get("content-length"));
|
|
}
|
|
else if (splitbyte < rlen)
|
|
{
|
|
size = rlen - splitbyte;
|
|
}
|
|
else
|
|
{
|
|
size = 0;
|
|
}
|
|
|
|
// Now read all the body and write it to f
|
|
byte[] buf = new byte[512];
|
|
while (rlen >= 0 && size > 0)
|
|
{
|
|
rlen = inputStream.read(buf, 0, 512);
|
|
size -= rlen;
|
|
if (rlen > 0)
|
|
{
|
|
randomAccessFile.write(buf, 0, rlen);
|
|
}
|
|
}
|
|
|
|
// Get the raw body as a byte []
|
|
ByteBuffer fbuf = randomAccessFile.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, randomAccessFile.length());
|
|
randomAccessFile.seek(0);
|
|
|
|
// Create a BufferedReader for easily reading it as string.
|
|
InputStream bin = new FileInputStream(randomAccessFile.getFD());
|
|
in = new BufferedReader(new InputStreamReader(bin));
|
|
|
|
// If the method is POST, there may be parameters
|
|
// in data section, too, read it:
|
|
if (Method.POST.equals(method))
|
|
{
|
|
String contentType = "";
|
|
String contentTypeHeader = headers.get("content-type");
|
|
|
|
StringTokenizer st = null;
|
|
if (contentTypeHeader != null)
|
|
{
|
|
st = new StringTokenizer(contentTypeHeader, ",; ");
|
|
if (st.hasMoreTokens())
|
|
{
|
|
contentType = st.nextToken();
|
|
}
|
|
}
|
|
|
|
if ("multipart/form-data".equalsIgnoreCase(contentType))
|
|
{
|
|
// Handle multipart/form-data
|
|
if (!st.hasMoreTokens())
|
|
{
|
|
throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but boundary missing. Usage: GET /example/file.html");
|
|
}
|
|
|
|
String boundaryStartString = "boundary=";
|
|
int boundaryContentStart = contentTypeHeader.indexOf(boundaryStartString) + boundaryStartString.length();
|
|
String boundary = contentTypeHeader.substring(boundaryContentStart, contentTypeHeader.length());
|
|
if (boundary.startsWith("\"") && boundary.endsWith("\""))
|
|
{
|
|
boundary = boundary.substring(1, boundary.length() - 1);
|
|
}
|
|
|
|
decodeMultipartData(boundary, fbuf, in, parms, files);
|
|
}
|
|
else
|
|
{
|
|
// Handle application/x-www-form-urlencoded
|
|
String postLine = "";
|
|
char pbuf[] = new char[512];
|
|
int read = in.read(pbuf);
|
|
while (read >= 0 && !postLine.endsWith("\r\n"))
|
|
{
|
|
postLine += String.valueOf(pbuf, 0, read);
|
|
read = in.read(pbuf);
|
|
}
|
|
postLine = postLine.trim();
|
|
decodeParms(postLine, parms);
|
|
}
|
|
}
|
|
else if (Method.PUT.equals(method))
|
|
{
|
|
files.put("content", saveTmpFile(fbuf, 0, fbuf.limit()));
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
safeClose(randomAccessFile);
|
|
safeClose(in);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Decodes the sent headers and loads the data into Key/value pairs
|
|
*/
|
|
private void decodeHeader(BufferedReader in, Map<String, String> pre, Map<String, 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, it's protocol version,
|
|
// followed by HTTP headers. Ignore version but parse headers.
|
|
// NOTE: this now forces header names lowercase since they are
|
|
// case insensitive and vary by client.
|
|
if (st.hasMoreTokens())
|
|
{
|
|
String line = in.readLine();
|
|
while (line != null && line.trim().length() > 0)
|
|
{
|
|
int p = line.indexOf(':');
|
|
if (p >= 0)
|
|
{
|
|
headers.put(line.substring(0, p).trim().toLowerCase(), 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 decodeMultipartData(String boundary, ByteBuffer fbuf, BufferedReader in, Map<String, String> parms,
|
|
Map<String, String> files) throws ResponseException
|
|
{
|
|
try
|
|
{
|
|
int[] bpositions = getBoundaryPositions(fbuf, boundary.getBytes());
|
|
int boundarycount = 1;
|
|
String mpline = in.readLine();
|
|
while (mpline != null)
|
|
{
|
|
if (!mpline.contains(boundary))
|
|
{
|
|
throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but next chunk does not start with boundary. Usage: GET /example/file.html");
|
|
}
|
|
boundarycount++;
|
|
Map<String, String> item = new HashMap<>();
|
|
mpline = in.readLine();
|
|
while (mpline != null && mpline.trim().length() > 0)
|
|
{
|
|
int p = mpline.indexOf(':');
|
|
if (p != -1)
|
|
{
|
|
item.put(mpline.substring(0, p).trim().toLowerCase(), mpline.substring(p + 1).trim());
|
|
}
|
|
mpline = in.readLine();
|
|
}
|
|
if (mpline != null)
|
|
{
|
|
String contentDisposition = item.get("content-disposition");
|
|
if (contentDisposition == null)
|
|
{
|
|
throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but no content-disposition info found. Usage: GET /example/file.html");
|
|
}
|
|
StringTokenizer st = new StringTokenizer(contentDisposition, "; ");
|
|
Map<String, String> disposition = new HashMap<>();
|
|
while (st.hasMoreTokens())
|
|
{
|
|
String token = st.nextToken();
|
|
int p = token.indexOf('=');
|
|
if (p != -1)
|
|
{
|
|
disposition.put(token.substring(0, p).trim().toLowerCase(), token.substring(p + 1).trim());
|
|
}
|
|
}
|
|
String pname = disposition.get("name");
|
|
pname = pname.substring(1, pname.length() - 1);
|
|
|
|
String value = "";
|
|
if (item.get("content-type") == null)
|
|
{
|
|
while (mpline != null && !mpline.contains(boundary))
|
|
{
|
|
mpline = in.readLine();
|
|
if (mpline != null)
|
|
{
|
|
int d = mpline.indexOf(boundary);
|
|
if (d == -1)
|
|
{
|
|
value += mpline;
|
|
}
|
|
else
|
|
{
|
|
value += mpline.substring(0, d - 2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (boundarycount > bpositions.length)
|
|
{
|
|
throw new ResponseException(Response.Status.INTERNAL_ERROR, "Error processing request");
|
|
}
|
|
int offset = stripMultipartHeaders(fbuf, bpositions[boundarycount - 2]);
|
|
String path = saveTmpFile(fbuf, offset, bpositions[boundarycount - 1] - offset - 4);
|
|
files.put(pname, path);
|
|
value = disposition.get("filename");
|
|
value = value.substring(1, value.length() - 1);
|
|
do
|
|
{
|
|
mpline = in.readLine();
|
|
}
|
|
while (mpline != null && !mpline.contains(boundary));
|
|
}
|
|
parms.put(pname, value);
|
|
}
|
|
}
|
|
}
|
|
catch (IOException ioe)
|
|
{
|
|
throw new ResponseException(Response.Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage(), ioe);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 + 3 < rlen)
|
|
{
|
|
if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n' && buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n')
|
|
{
|
|
return splitbyte + 4;
|
|
}
|
|
splitbyte++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Find the byte positions where multipart boundaries start.
|
|
*/
|
|
private int[] getBoundaryPositions(ByteBuffer b, byte[] boundary)
|
|
{
|
|
int matchcount = 0;
|
|
int matchbyte = -1;
|
|
List<Integer> matchbytes = new ArrayList<>();
|
|
for (int i = 0; i < b.limit(); i++)
|
|
{
|
|
if (b.get(i) == boundary[matchcount])
|
|
{
|
|
if (matchcount == 0)
|
|
{
|
|
matchbyte = i;
|
|
}
|
|
matchcount++;
|
|
if (matchcount == boundary.length)
|
|
{
|
|
matchbytes.add(matchbyte);
|
|
matchcount = 0;
|
|
matchbyte = -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
i -= matchcount;
|
|
matchcount = 0;
|
|
matchbyte = -1;
|
|
}
|
|
}
|
|
int[] ret = new int[matchbytes.size()];
|
|
for (int i = 0; i < ret.length; i++)
|
|
{
|
|
ret[i] = matchbytes.get(i);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* 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 path = "";
|
|
if (len > 0)
|
|
{
|
|
FileOutputStream fileOutputStream = null;
|
|
try
|
|
{
|
|
TempFile tempFile = tempFileManager.createTempFile();
|
|
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
|
|
FLog.severe(e);
|
|
}
|
|
finally
|
|
{
|
|
safeClose(fileOutputStream);
|
|
}
|
|
}
|
|
return path;
|
|
}
|
|
|
|
private RandomAccessFile getTmpBucket()
|
|
{
|
|
try
|
|
{
|
|
TempFile tempFile = tempFileManager.createTempFile();
|
|
return new RandomAccessFile(tempFile.getName(), "rw");
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
FLog.severe(e);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* It returns the offset separating multipart file headers from the file's data.
|
|
*/
|
|
private int stripMultipartHeaders(ByteBuffer b, int offset)
|
|
{
|
|
int i;
|
|
for (i = offset; i < b.limit(); i++)
|
|
{
|
|
if (b.get(i) == '\r' && b.get(++i) == '\n' && b.get(++i) == '\r' && b.get(++i) == '\n')
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
return i + 1;
|
|
}
|
|
|
|
/**
|
|
* Decodes parameters in percent-encoded URI-format ( e.g. "name=Jack%20Daniels&pass=Single%20Malt" ) and adds them to given Map. NOTE: this doesn't support multiple identical keys due to the
|
|
* simplicity of Map.
|
|
*/
|
|
private void decodeParms(String parms, Map<String, String> p)
|
|
{
|
|
if (parms == null)
|
|
{
|
|
p.put(QUERY_STRING_PARAMETER, "");
|
|
return;
|
|
}
|
|
|
|
p.put(QUERY_STRING_PARAMETER, parms);
|
|
StringTokenizer st = new StringTokenizer(parms, "&");
|
|
while (st.hasMoreTokens())
|
|
{
|
|
String e = st.nextToken();
|
|
int sep = e.indexOf('=');
|
|
if (sep >= 0)
|
|
{
|
|
p.put(decodePercent(e.substring(0, sep)).trim(),
|
|
decodePercent(e.substring(sep + 1)));
|
|
}
|
|
else
|
|
{
|
|
p.put(decodePercent(e).trim(), "");
|
|
}
|
|
}
|
|
}
|
|
|
|
public final Map<String, String> getParms()
|
|
{
|
|
return parms;
|
|
}
|
|
|
|
public final Map<String, String> getHeaders()
|
|
{
|
|
return headers;
|
|
}
|
|
|
|
public final String getUri()
|
|
{
|
|
return uri;
|
|
}
|
|
|
|
public final Method getMethod()
|
|
{
|
|
return method;
|
|
}
|
|
|
|
public final InputStream getInputStream()
|
|
{
|
|
return inputStream;
|
|
}
|
|
|
|
public CookieHandler getCookies()
|
|
{
|
|
return cookies;
|
|
}
|
|
|
|
public Socket getSocket()
|
|
{
|
|
return socket;
|
|
}
|
|
}
|
|
|
|
public static class Cookie
|
|
{
|
|
|
|
private String n, v, e;
|
|
|
|
public Cookie(String name, String value, String expires)
|
|
{
|
|
n = name;
|
|
v = value;
|
|
e = expires;
|
|
}
|
|
|
|
public Cookie(String name, String value)
|
|
{
|
|
this(name, value, 30);
|
|
}
|
|
|
|
public Cookie(String name, String value, int numDays)
|
|
{
|
|
n = name;
|
|
v = value;
|
|
e = getHTTPTime(numDays);
|
|
}
|
|
|
|
public String getHTTPHeader()
|
|
{
|
|
String fmt = "%s=%s; expires=%s";
|
|
return String.format(fmt, n, v, e);
|
|
}
|
|
|
|
public static String getHTTPTime(int days)
|
|
{
|
|
Calendar calendar = Calendar.getInstance();
|
|
SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US);
|
|
dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
|
|
calendar.add(Calendar.DAY_OF_MONTH, days);
|
|
return dateFormat.format(calendar.getTime());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Provides rudimentary support for cookies. Doesn't support 'path', 'secure' nor 'httpOnly'. Feel free to improve it and/or add unsupported features.
|
|
*
|
|
* @author LordFokas
|
|
*/
|
|
public class CookieHandler implements Iterable<String>
|
|
{
|
|
|
|
private HashMap<String, String> cookies = new HashMap<>();
|
|
private ArrayList<Cookie> queue = new ArrayList<>();
|
|
|
|
public CookieHandler(Map<String, String> httpHeaders)
|
|
{
|
|
String raw = httpHeaders.get("cookie");
|
|
if (raw != null)
|
|
{
|
|
String[] tokens = raw.split(";");
|
|
for (String token : tokens)
|
|
{
|
|
String[] data = token.trim().split("=");
|
|
if (data.length == 2)
|
|
{
|
|
cookies.put(data[0], data[1]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Iterator<String> iterator()
|
|
{
|
|
return cookies.keySet().iterator();
|
|
}
|
|
|
|
/**
|
|
* Read a cookie from the HTTP Headers.
|
|
*
|
|
* @param name The cookie's name.
|
|
* @return The cookie's value if it exists, null otherwise.
|
|
*/
|
|
public String read(String name)
|
|
{
|
|
return cookies.get(name);
|
|
}
|
|
|
|
/**
|
|
* Sets a cookie.
|
|
*
|
|
* @param name The cookie's name.
|
|
* @param value The cookie's value.
|
|
* @param expires How many days until the cookie expires.
|
|
*/
|
|
public void set(String name, String value, int expires)
|
|
{
|
|
queue.add(new Cookie(name, value, Cookie.getHTTPTime(expires)));
|
|
}
|
|
|
|
public void set(Cookie cookie)
|
|
{
|
|
queue.add(cookie);
|
|
}
|
|
|
|
/**
|
|
* Set a cookie with an expiration date from a month ago, effectively deleting it on the client side.
|
|
*
|
|
* @param name The cookie name.
|
|
*/
|
|
public void delete(String name)
|
|
{
|
|
set(name, "-delete-", -30);
|
|
}
|
|
|
|
/**
|
|
* Internally used by the webserver to add all queued cookies into the Response's HTTP Headers.
|
|
*
|
|
* @param response The Response object to which headers the queued cookies will be added.
|
|
*/
|
|
public void unloadQueue(Response response)
|
|
{
|
|
for (Cookie cookie : queue)
|
|
{
|
|
response.addHeader("Set-Cookie", cookie.getHTTPHeader());
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|