| package fi.iki.elonen; |
| |
| /* |
| * #%L |
| * NanoHttpd-Core |
| * %% |
| * Copyright (C) 2012 - 2015 nanohttpd |
| * %% |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * 3. Neither the name of the nanohttpd nor the names of its contributors |
| * may be used to endorse or promote products derived from this software without |
| * specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * #L% |
| */ |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.Closeable; |
| import java.io.DataOutput; |
| import java.io.DataOutputStream; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.FilterOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.RandomAccessFile; |
| import java.io.UnsupportedEncodingException; |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.ServerSocket; |
| import java.net.Socket; |
| import java.net.SocketException; |
| import java.net.SocketTimeoutException; |
| import java.net.URL; |
| import java.net.URLDecoder; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.FileChannel; |
| import java.nio.charset.Charset; |
| import java.security.KeyStore; |
| import java.text.SimpleDateFormat; |
| import java.util.ArrayList; |
| import java.util.Calendar; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.Enumeration; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.StringTokenizer; |
| import java.util.TimeZone; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import java.util.zip.GZIPOutputStream; |
| |
| import javax.net.ssl.KeyManager; |
| import javax.net.ssl.KeyManagerFactory; |
| import javax.net.ssl.SSLContext; |
| import javax.net.ssl.SSLServerSocket; |
| import javax.net.ssl.SSLServerSocketFactory; |
| import javax.net.ssl.TrustManagerFactory; |
| |
| import fi.iki.elonen.NanoHTTPD.Response.IStatus; |
| import fi.iki.elonen.NanoHTTPD.Response.Status; |
| |
| /** |
| * A simple, tiny, nicely embeddable HTTP server in Java |
| * <p/> |
| * <p/> |
| * NanoHTTPD |
| * <p> |
| * Copyright (c) 2012-2013 by Paul S. Hawke, 2001,2005-2013 by Jarno Elonen, |
| * 2010 by Konstantinos Togias |
| * </p> |
| * <p/> |
| * <p/> |
| * <b>Features + limitations: </b> |
| * <ul> |
| * <p/> |
| * <li>Only one Java file</li> |
| * <li>Java 5 compatible</li> |
| * <li>Released as open source, Modified BSD licence</li> |
| * <li>No fixed config files, logging, authorization etc. (Implement yourself if |
| * you need them.)</li> |
| * <li>Supports parameter parsing of GET and POST methods (+ rudimentary PUT |
| * support in 1.25)</li> |
| * <li>Supports both dynamic content and file serving</li> |
| * <li>Supports file upload (since version 1.2, 2010)</li> |
| * <li>Supports partial content (streaming)</li> |
| * <li>Supports ETags</li> |
| * <li>Never caches anything</li> |
| * <li>Doesn't limit bandwidth, request time or simultaneous connections</li> |
| * <li>Default code serves files and shows all HTTP parameters and headers</li> |
| * <li>File server supports directory listing, index.html and index.htm</li> |
| * <li>File server supports partial content (streaming)</li> |
| * <li>File server supports ETags</li> |
| * <li>File server does the 301 redirection trick for directories without '/'</li> |
| * <li>File server supports simple skipping for files (continue download)</li> |
| * <li>File server serves also very long files without memory overhead</li> |
| * <li>Contains a built-in list of most common MIME types</li> |
| * <li>All header names are converted to lower case so they don't vary between |
| * browsers/clients</li> |
| * <p/> |
| * </ul> |
| * <p/> |
| * <p/> |
| * <b>How to use: </b> |
| * <ul> |
| * <p/> |
| * <li>Subclass and implement serve() and embed to your own program</li> |
| * <p/> |
| * </ul> |
| * <p/> |
| * See the separate "LICENSE.md" file for the distribution license (Modified BSD |
| * licence) |
| */ |
| public abstract class NanoHTTPD { |
| |
| /** |
| * Pluggable strategy for asynchronously executing requests. |
| */ |
| public interface AsyncRunner { |
| |
| void closeAll(); |
| |
| void closed(ClientHandler clientHandler); |
| |
| void exec(ClientHandler code); |
| } |
| |
| /** |
| * The runnable that will be used for every new client connection. |
| */ |
| public class ClientHandler implements Runnable { |
| |
| private final InputStream inputStream; |
| |
| private final Socket acceptSocket; |
| |
| private ClientHandler(InputStream inputStream, Socket acceptSocket) { |
| this.inputStream = inputStream; |
| this.acceptSocket = acceptSocket; |
| } |
| |
| public void close() { |
| safeClose(this.inputStream); |
| safeClose(this.acceptSocket); |
| } |
| |
| @Override |
| public void run() { |
| OutputStream outputStream = null; |
| try { |
| outputStream = this.acceptSocket.getOutputStream(); |
| TempFileManager tempFileManager = NanoHTTPD.this.tempFileManagerFactory.create(); |
| HTTPSession session = new HTTPSession(tempFileManager, this.inputStream, outputStream, this.acceptSocket.getInetAddress()); |
| while (!this.acceptSocket.isClosed()) { |
| session.execute(); |
| } |
| } catch (Exception e) { |
| // When the socket is closed by the client, |
| // we throw our own SocketException |
| // to break the "keep alive" loop above. If |
| // the exception was anything other |
| // than the expected SocketException OR a |
| // SocketTimeoutException, print the |
| // stacktrace |
| if (!(e instanceof SocketException && "NanoHttpd Shutdown".equals(e.getMessage())) && !(e instanceof SocketTimeoutException)) { |
| NanoHTTPD.LOG.log(Level.FINE, "Communication with the client broken", e); |
| } |
| } finally { |
| safeClose(outputStream); |
| safeClose(this.inputStream); |
| safeClose(this.acceptSocket); |
| NanoHTTPD.this.asyncRunner.closed(this); |
| } |
| } |
| } |
| |
| public static class Cookie { |
| |
| 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()); |
| } |
| |
| private final String n, v, e; |
| |
| public Cookie(String name, String value) { |
| this(name, value, 30); |
| } |
| |
| public Cookie(String name, String value, int numDays) { |
| this.n = name; |
| this.v = value; |
| this.e = getHTTPTime(numDays); |
| } |
| |
| public Cookie(String name, String value, String expires) { |
| this.n = name; |
| this.v = value; |
| this.e = expires; |
| } |
| |
| public String getHTTPHeader() { |
| String fmt = "%s=%s; expires=%s"; |
| return String.format(fmt, this.n, this.v, this.e); |
| } |
| } |
| |
| /** |
| * 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 final HashMap<String, String> cookies = new HashMap<String, String>(); |
| |
| private final ArrayList<Cookie> queue = new ArrayList<Cookie>(); |
| |
| 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) { |
| this.cookies.put(data[0], data[1]); |
| } |
| } |
| } |
| } |
| |
| /** |
| * 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); |
| } |
| |
| @Override |
| public Iterator<String> iterator() { |
| return this.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 this.cookies.get(name); |
| } |
| |
| public void set(Cookie cookie) { |
| this.queue.add(cookie); |
| } |
| |
| /** |
| * 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) { |
| this.queue.add(new Cookie(name, value, Cookie.getHTTPTime(expires))); |
| } |
| |
| /** |
| * 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 : this.queue) { |
| response.addHeader("Set-Cookie", cookie.getHTTPHeader()); |
| } |
| } |
| } |
| |
| /** |
| * Default threading strategy for NanoHTTPD. |
| * <p/> |
| * <p> |
| * By default, the server spawns a new Thread for every incoming request. |
| * These are set to <i>daemon</i> status, and named according to the request |
| * number. The name is useful when profiling the application. |
| * </p> |
| */ |
| public static class DefaultAsyncRunner implements AsyncRunner { |
| |
| private long requestCount; |
| |
| private final List<ClientHandler> running = Collections.synchronizedList(new ArrayList<NanoHTTPD.ClientHandler>()); |
| |
| /** |
| * @return a list with currently running clients. |
| */ |
| public List<ClientHandler> getRunning() { |
| return running; |
| } |
| |
| @Override |
| public void closeAll() { |
| // copy of the list for concurrency |
| for (ClientHandler clientHandler : new ArrayList<ClientHandler>(this.running)) { |
| clientHandler.close(); |
| } |
| } |
| |
| @Override |
| public void closed(ClientHandler clientHandler) { |
| this.running.remove(clientHandler); |
| } |
| |
| @Override |
| public void exec(ClientHandler clientHandler) { |
| ++this.requestCount; |
| Thread t = new Thread(clientHandler); |
| t.setDaemon(true); |
| t.setName("NanoHttpd Request Processor (#" + this.requestCount + ")"); |
| this.running.add(clientHandler); |
| t.start(); |
| } |
| } |
| |
| /** |
| * Default strategy for creating and cleaning up temporary files. |
| * <p/> |
| * <p> |
| * By default, files are created by <code>File.createTempFile()</code> in |
| * the directory specified. |
| * </p> |
| */ |
| public static class DefaultTempFile implements TempFile { |
| |
| private final File file; |
| |
| private final OutputStream fstream; |
| |
| public DefaultTempFile(File tempdir) throws IOException { |
| this.file = File.createTempFile("NanoHTTPD-", "", tempdir); |
| this.fstream = new FileOutputStream(this.file); |
| } |
| |
| @Override |
| public void delete() throws Exception { |
| safeClose(this.fstream); |
| if (!this.file.delete()) { |
| throw new Exception("could not delete temporary file"); |
| } |
| } |
| |
| @Override |
| public String getName() { |
| return this.file.getAbsolutePath(); |
| } |
| |
| @Override |
| public OutputStream open() throws Exception { |
| return this.fstream; |
| } |
| } |
| |
| /** |
| * Default strategy for creating and cleaning up temporary files. |
| * <p/> |
| * <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 is, when |
| * <code>clear()</code> is invoked at the end of processing a request). |
| * </p> |
| */ |
| public static class DefaultTempFileManager implements TempFileManager { |
| |
| private final File tmpdir; |
| |
| private final List<TempFile> tempFiles; |
| |
| public DefaultTempFileManager() { |
| this.tmpdir = new File(System.getProperty("java.io.tmpdir")); |
| if (!tmpdir.exists()) { |
| tmpdir.mkdirs(); |
| } |
| this.tempFiles = new ArrayList<TempFile>(); |
| } |
| |
| @Override |
| public void clear() { |
| for (TempFile file : this.tempFiles) { |
| try { |
| file.delete(); |
| } catch (Exception ignored) { |
| NanoHTTPD.LOG.log(Level.WARNING, "could not delete file ", ignored); |
| } |
| } |
| this.tempFiles.clear(); |
| } |
| |
| @Override |
| public TempFile createTempFile(String filename_hint) throws Exception { |
| DefaultTempFile tempFile = new DefaultTempFile(this.tmpdir); |
| this.tempFiles.add(tempFile); |
| return tempFile; |
| } |
| } |
| |
| /** |
| * Default strategy for creating and cleaning up temporary files. |
| */ |
| private class DefaultTempFileManagerFactory implements TempFileManagerFactory { |
| |
| @Override |
| public TempFileManager create() { |
| return new DefaultTempFileManager(); |
| } |
| } |
| |
| private static final String CHARSET_REGEX = "[ |\t]*(charset)[ |\t]*=[ |\t]*['|\"]?([^\"^'^;]*)['|\"]?"; |
| |
| private static final Pattern CHARSET_PATTERN = Pattern.compile(CHARSET_REGEX, Pattern.CASE_INSENSITIVE); |
| |
| private static final String BOUNDARY_REGEX = "[ |\t]*(boundary)[ |\t]*=[ |\t]*['|\"]?([^\"^'^;]*)['|\"]?"; |
| |
| private static final Pattern BOUNDARY_PATTERN = Pattern.compile(BOUNDARY_REGEX, Pattern.CASE_INSENSITIVE); |
| |
| /** |
| * Creates a normal ServerSocket for TCP connections |
| */ |
| public static class DefaultServerSocketFactory implements ServerSocketFactory { |
| |
| @Override |
| public ServerSocket create() throws IOException { |
| return new ServerSocket(); |
| } |
| |
| } |
| |
| /** |
| * Creates a new SSLServerSocket |
| */ |
| public static class SecureServerSocketFactory implements ServerSocketFactory { |
| |
| private SSLServerSocketFactory sslServerSocketFactory; |
| |
| private String[] sslProtocols; |
| |
| public SecureServerSocketFactory(SSLServerSocketFactory sslServerSocketFactory, String[] sslProtocols) { |
| this.sslServerSocketFactory = sslServerSocketFactory; |
| this.sslProtocols = sslProtocols; |
| } |
| |
| @Override |
| public ServerSocket create() throws IOException { |
| SSLServerSocket ss = null; |
| ss = (SSLServerSocket) this.sslServerSocketFactory.createServerSocket(); |
| if (this.sslProtocols != null) { |
| ss.setEnabledProtocols(this.sslProtocols); |
| } else { |
| ss.setEnabledProtocols(ss.getSupportedProtocols()); |
| } |
| ss.setUseClientMode(false); |
| ss.setWantClientAuth(false); |
| ss.setNeedClientAuth(false); |
| return ss; |
| } |
| |
| } |
| |
| private static final String CONTENT_DISPOSITION_REGEX = "([ |\t]*Content-Disposition[ |\t]*:)(.*)"; |
| |
| private static final Pattern CONTENT_DISPOSITION_PATTERN = Pattern.compile(CONTENT_DISPOSITION_REGEX, Pattern.CASE_INSENSITIVE); |
| |
| private static final String CONTENT_TYPE_REGEX = "([ |\t]*content-type[ |\t]*:)(.*)"; |
| |
| private static final Pattern CONTENT_TYPE_PATTERN = Pattern.compile(CONTENT_TYPE_REGEX, Pattern.CASE_INSENSITIVE); |
| |
| private static final String CONTENT_DISPOSITION_ATTRIBUTE_REGEX = "[ |\t]*([a-zA-Z]*)[ |\t]*=[ |\t]*['|\"]([^\"^']*)['|\"]"; |
| |
| private static final Pattern CONTENT_DISPOSITION_ATTRIBUTE_PATTERN = Pattern.compile(CONTENT_DISPOSITION_ATTRIBUTE_REGEX); |
| |
| 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, String> parms; |
| |
| private Map<String, String> headers; |
| |
| private CookieHandler cookies; |
| |
| private String queryParameterString; |
| |
| private String remoteIp; |
| |
| 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.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, 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().length() > 0) { |
| 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(String boundary, String encoding, ByteBuffer fbuf, Map<String, String> parms, Map<String, String> files) throws ResponseException { |
| try { |
| int[] boundary_idxs = getBoundaryPositions(fbuf, boundary.getBytes()); |
| if (boundary_idxs.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[] part_header_buff = new byte[MAX_HEADER_SIZE]; |
| for (int bi = 0; bi < boundary_idxs.length - 1; bi++) { |
| fbuf.position(boundary_idxs[bi]); |
| int len = (fbuf.remaining() < MAX_HEADER_SIZE) ? fbuf.remaining() : MAX_HEADER_SIZE; |
| fbuf.get(part_header_buff, 0, len); |
| BufferedReader in = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(part_header_buff, 0, len), Charset.forName(encoding)), len); |
| |
| int headerLines = 0; |
| // First line is boundary string |
| String mpline = in.readLine(); |
| headerLines++; |
| if (!mpline.contains(boundary)) { |
| throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but chunk does not start with boundary."); |
| } |
| |
| String part_name = null, file_name = null, content_type = 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 (key.equalsIgnoreCase("name")) { |
| part_name = matcher.group(2); |
| } else if (key.equalsIgnoreCase("filename")) { |
| file_name = matcher.group(2); |
| } |
| } |
| } |
| matcher = CONTENT_TYPE_PATTERN.matcher(mpline); |
| if (matcher.matches()) { |
| content_type = matcher.group(2).trim(); |
| } |
| mpline = in.readLine(); |
| headerLines++; |
| } |
| int part_header_len = 0; |
| while (headerLines-- > 0) { |
| part_header_len = scipOverNewLine(part_header_buff, part_header_len); |
| } |
| // Read the part data |
| if (part_header_len >= len - 4) { |
| throw new ResponseException(Response.Status.INTERNAL_ERROR, "Multipart header size exceeds MAX_HEADER_SIZE."); |
| } |
| int part_data_start = boundary_idxs[bi] + part_header_len; |
| int part_data_end = boundary_idxs[bi + 1] - 4; |
| |
| fbuf.position(part_data_start); |
| if (content_type == null) { |
| // Read the part into a string |
| byte[] data_bytes = new byte[part_data_end - part_data_start]; |
| fbuf.get(data_bytes); |
| parms.put(part_name, new String(data_bytes, encoding)); |
| } else { |
| // Read it into a file |
| String path = saveTmpFile(fbuf, part_data_start, part_data_end - part_data_start, file_name); |
| if (!files.containsKey(part_name)) { |
| files.put(part_name, path); |
| } else { |
| int count = 2; |
| while (files.containsKey(part_name + count)) { |
| count++; |
| } |
| files.put(part_name + count, path); |
| } |
| parms.put(part_name, file_name); |
| } |
| } |
| } catch (ResponseException re) { |
| throw re; |
| } catch (Exception e) { |
| throw new ResponseException(Response.Status.INTERNAL_ERROR, e.toString()); |
| } |
| } |
| |
| private int scipOverNewLine(byte[] part_header_buff, int index) { |
| while (part_header_buff[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. 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) { |
| this.queryParameterString = ""; |
| return; |
| } |
| |
| this.queryParameterString = 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(), ""); |
| } |
| } |
| } |
| |
| @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 (Exception 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, 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."); |
| } |
| |
| this.uri = pre.get("uri"); |
| |
| this.cookies = new CookieHandler(this.headers); |
| |
| String connection = this.headers.get("connection"); |
| boolean keepAlive = protocolVersion.equals("HTTP/1.1") && (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 implementaion 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 || "close".equalsIgnoreCase(r.getHeader("connection"))) { |
| 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 (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; |
| } |
| |
| @Override |
| public final Map<String, String> getParms() { |
| 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 request_data_output = null; |
| |
| // Store the request in memory or a file, depending on size |
| if (size < MEMORY_STORE_LIMIT) { |
| baos = new ByteArrayOutputStream(); |
| request_data_output = new DataOutputStream(baos); |
| } else { |
| randomAccessFile = getTmpBucket(); |
| request_data_output = 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) { |
| request_data_output.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)) { |
| String contentType = ""; |
| String contentTypeHeader = this.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"); |
| } |
| decodeMultipartFormData(getAttributeFromContentHeader(contentTypeHeader, BOUNDARY_PATTERN, null), // |
| getAttributeFromContentHeader(contentTypeHeader, CHARSET_PATTERN, "US-ASCII"), fbuf, this.parms, files); |
| } else { |
| byte[] postBytes = new byte[fbuf.remaining()]; |
| fbuf.get(postBytes); |
| String postLine = new String(postBytes).trim(); |
| // Handle application/x-www-form-urlencoded |
| if ("application/x-www-form-urlencoded".equalsIgnoreCase(contentType)) { |
| 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); |
| } |
| } |
| |
| private String getAttributeFromContentHeader(String contentTypeHeader, Pattern pattern, String defaultValue) { |
| Matcher matcher = pattern.matcher(contentTypeHeader); |
| return matcher.find() ? matcher.group(2) : defaultValue; |
| } |
| |
| /** |
| * 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; |
| } |
| } |
| |
| /** |
| * 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(); |
| |
| Map<String, String> getParms(); |
| |
| 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; |
| } |
| |
| /** |
| * 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; |
| |
| static Method lookup(String method) { |
| for (Method m : Method.values()) { |
| if (m.toString().equalsIgnoreCase(method)) { |
| return m; |
| } |
| } |
| 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"), |
| REDIRECT(301, "Moved Permanently"), |
| TEMPORARY_REDIRECT(302, "Moved Temporarily"), |
| NOT_MODIFIED(304, "Not Modified"), |
| 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"), |
| RANGE_NOT_SATISFIABLE(416, "Requested Range Not Satisfiable"), |
| INTERNAL_ERROR(500, "Internal Server Error"), |
| NOT_IMPLEMENTED(501, "Not Implemented"), |
| 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; |
| } |
| |
| @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. |
| */ |
| private final Map<String, String> header = 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); |
| } |
| |
| public InputStream getData() { |
| return this.data; |
| } |
| |
| public String getHeader(String name) { |
| for (String headerName : header.keySet()) { |
| if (headerName.equalsIgnoreCase(name)) { |
| return header.get(headerName); |
| } |
| } |
| return null; |
| } |
| |
| 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; |
| } |
| |
| private static boolean headerAlreadySent(Map<String, String> header, String name) { |
| boolean alreadySent = false; |
| for (String headerName : header.keySet()) { |
| alreadySent |= headerName.equalsIgnoreCase(name); |
| } |
| return alreadySent; |
| } |
| |
| /** |
| * Sends given response to the socket. |
| */ |
| protected void send(OutputStream outputStream) { |
| String mime = this.mimeType; |
| 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, "UTF-8")), false); |
| pw.print("HTTP/1.1 " + this.status.getDescription() + " \r\n"); |
| |
| if (mime != null) { |
| pw.print("Content-Type: " + mime + "\r\n"); |
| } |
| |
| if (this.header == null || this.header.get("Date") == null) { |
| pw.print("Date: " + gmtFrmt.format(new Date()) + "\r\n"); |
| } |
| |
| if (this.header != null) { |
| for (String key : this.header.keySet()) { |
| String value = this.header.get(key); |
| pw.print(key + ": " + value + "\r\n"); |
| } |
| } |
| |
| if (!headerAlreadySent(header, "connection")) { |
| pw.print("Connection: " + (this.keepAlive ? "keep-alive" : "close") + "\r\n"); |
| } |
| |
| if (headerAlreadySent(this.header, "content-length")) { |
| encodeAsGzip = false; |
| } |
| |
| if (encodeAsGzip) { |
| pw.print("Content-Encoding: gzip\r\n"); |
| setChunkedTransfer(true); |
| } |
| |
| long pending = this.data != null ? this.contentLength : 0; |
| if (this.requestMethod != Method.HEAD && this.chunkedTransfer) { |
| pw.print("Transfer-Encoding: chunked\r\n"); |
| } else if (!encodeAsGzip) { |
| pending = sendContentLengthHeaderIfNotAlreadyPresent(pw, this.header, pending); |
| } |
| pw.print("\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); |
| } |
| } |
| |
| 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; |
| } |
| } |
| } |
| |
| protected static long sendContentLengthHeaderIfNotAlreadyPresent(PrintWriter pw, Map<String, String> header, long size) { |
| for (String headerName : header.keySet()) { |
| if (headerName.equalsIgnoreCase("content-length")) { |
| try { |
| return Long.parseLong(header.get(headerName)); |
| } catch (NumberFormatException ex) { |
| return size; |
| } |
| } |
| } |
| |
| pw.print("Content-Length: " + size + "\r\n"); |
| return size; |
| } |
| |
| 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; |
| |
| private 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; |
| } |
| |
| 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(url.openStream()); |
| } 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); |
| 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. |
| */ |
| protected boolean useGzipWhenAccepted(Response r) { |
| return r.getMimeType() != null && r.getMimeType().toLowerCase().contains("text/"); |
| } |
| |
| 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) { |
| if (txt == null) { |
| return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(new byte[0]), 0); |
| } else { |
| byte[] bytes; |
| try { |
| bytes = txt.getBytes("UTF-8"); |
| } catch (UnsupportedEncodingException e) { |
| NanoHTTPD.LOG.log(Level.SEVERE, "encoding problem, responding nothing", e); |
| bytes = new byte[0]; |
| } |
| return newFixedLengthResponse(status, mimeType, 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; |
| } |
| } |
