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.nio.charset.CharsetEncoder; 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.Map.Entry; 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.SSLException; 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 *

*

* NanoHTTPD *

* Copyright (c) 2012-2013 by Paul S. Hawke, 2001,2005-2013 by Jarno Elonen, * 2010 by Konstantinos Togias *

*

*

* Features + limitations: *

*

*

* How to use: *

*

* 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; public 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.SEVERE, "Communication with the client broken, or an bug in the handler code", 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 { private final HashMap cookies = new HashMap(); private final ArrayList queue = new ArrayList(); public CookieHandler(Map 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 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. *

*

* By default, the server spawns a new Thread for every incoming request. These * are set to daemon status, and named according to the request number. * The name is useful when profiling the application. *

*/ public static class DefaultAsyncRunner implements AsyncRunner { private long requestCount; private final List running = Collections .synchronizedList(new ArrayList()); /** * @return a list with currently running clients. */ public List getRunning() { return running; } @Override public void closeAll() { // copy of the list for concurrency for (ClientHandler clientHandler : new ArrayList(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. *

*

* By default, files are created by File.createTempFile() in the * directory specified. *

*/ 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: " + this.file.getAbsolutePath()); } } @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. *

*

* This class stores its files in the standard location (that is, wherever * java.io.tmpdir points to). Files are added to an internal list, * and deleted when no longer needed (that is, when clear() is * invoked at the end of processing a request). *

*/ public static class DefaultTempFileManager implements TempFileManager { private final File tmpdir; private final List tempFiles; public DefaultTempFileManager() { this.tmpdir = new File(System.getProperty("java.io.tmpdir")); if (!tmpdir.exists()) { tmpdir.mkdirs(); } this.tempFiles = new ArrayList(); } @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(); } } /** * 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 static class ContentType { private static final String ASCII_ENCODING = "US-ASCII"; private static final String MULTIPART_FORM_DATA_HEADER = "multipart/form-data"; private static final String CONTENT_REGEX = "[ |\t]*([^/^ ^;^,]+/[^ ^;^,]+)"; private static final Pattern MIME_PATTERN = Pattern.compile(CONTENT_REGEX, Pattern.CASE_INSENSITIVE); 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); private final String contentTypeHeader; private final String contentType; private final String encoding; private final String boundary; public ContentType(String contentTypeHeader) { this.contentTypeHeader = contentTypeHeader; if (contentTypeHeader != null) { contentType = getDetailFromContentHeader(contentTypeHeader, MIME_PATTERN, "", 1); encoding = getDetailFromContentHeader(contentTypeHeader, CHARSET_PATTERN, null, 2); } else { contentType = ""; encoding = "UTF-8"; } if (MULTIPART_FORM_DATA_HEADER.equalsIgnoreCase(contentType)) { boundary = getDetailFromContentHeader(contentTypeHeader, BOUNDARY_PATTERN, null, 2); } else { boundary = null; } } private String getDetailFromContentHeader(String contentTypeHeader, Pattern pattern, String defaultValue, int group) { Matcher matcher = pattern.matcher(contentTypeHeader); return matcher.find() ? matcher.group(group) : defaultValue; } public String getContentTypeHeader() { return contentTypeHeader; } public String getContentType() { return contentType; } public String getEncoding() { return encoding == null ? ASCII_ENCODING : encoding; } public String getBoundary() { return boundary; } public boolean isMultipart() { return MULTIPART_FORM_DATA_HEADER.equalsIgnoreCase(contentType); } public ContentType tryUTF8() { if (encoding == null) { return new ContentType(this.contentTypeHeader + "; charset=UTF-8"); } return this; } } protected class HTTPSession implements IHTTPSession { private static final int REQUEST_BUFFER_LEN = 512; private static final int MEMORY_STORE_LIMIT = 1024; public static final int BUFSIZE = 8192; public static final int MAX_HEADER_SIZE = 1024; private final TempFileManager tempFileManager; private final OutputStream outputStream; private final BufferedInputStream inputStream; private int splitbyte; private int rlen; private String uri; private Method method; private Map> parms; private Map headers; private CookieHandler cookies; private String queryParameterString; private String remoteIp; private String remoteHostname; private String protocolVersion; public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream) { this.tempFileManager = tempFileManager; this.inputStream = new BufferedInputStream(inputStream, HTTPSession.BUFSIZE); this.outputStream = outputStream; } public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream, InetAddress inetAddress) { this.tempFileManager = tempFileManager; this.inputStream = new BufferedInputStream(inputStream, HTTPSession.BUFSIZE); this.outputStream = outputStream; this.remoteIp = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "127.0.0.1" : inetAddress.getHostAddress().toString(); this.remoteHostname = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "localhost" : inetAddress.getHostName().toString(); this.headers = new HashMap(); } /** * Decodes the sent headers and loads the data into Key/value pairs */ private void decodeHeader(BufferedReader in, Map pre, Map> parms, Map headers) throws ResponseException { try { // Read the request line String inLine = in.readLine(); if (inLine == null) { return; } StringTokenizer st = new StringTokenizer(inLine); if (!st.hasMoreTokens()) { throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Syntax error. Usage: GET /example/file.html"); } pre.put("method", st.nextToken()); if (!st.hasMoreTokens()) { throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Missing URI. Usage: GET /example/file.html"); } String uri = st.nextToken(); // Decode parameters from the URI int qmi = uri.indexOf('?'); if (qmi >= 0) { decodeParms(uri.substring(qmi + 1), parms); uri = decodePercent(uri.substring(0, qmi)); } else { uri = decodePercent(uri); } // If there's another token, its protocol version, // followed by HTTP headers. // NOTE: this now forces header names lower case since they are // case insensitive and vary by client. if (st.hasMoreTokens()) { protocolVersion = st.nextToken(); } else { protocolVersion = "HTTP/1.1"; NanoHTTPD.LOG.log(Level.FINE, "no protocol version specified, strange. Assuming HTTP/1.1."); } String line = in.readLine(); while (line != null && !line.trim().isEmpty()) { int p = line.indexOf(':'); if (p >= 0) { headers.put(line.substring(0, p).trim().toLowerCase(Locale.US), line.substring(p + 1).trim()); } line = in.readLine(); } pre.put("uri", uri); } catch (IOException ioe) { throw new ResponseException(Response.Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage(), ioe); } } /** * Decodes the Multipart Body data and put it into Key/Value pairs. */ private void decodeMultipartFormData(ContentType contentType, ByteBuffer fbuf, Map> parms, Map files) throws ResponseException { int pcount = 0; try { int[] boundaryIdxs = getBoundaryPositions(fbuf, contentType.getBoundary().getBytes()); if (boundaryIdxs.length < 2) { throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but contains less than two boundary strings."); } byte[] partHeaderBuff = new byte[MAX_HEADER_SIZE]; for (int boundaryIdx = 0; boundaryIdx < boundaryIdxs.length - 1; boundaryIdx++) { fbuf.position(boundaryIdxs[boundaryIdx]); int len = (fbuf.remaining() < MAX_HEADER_SIZE) ? fbuf.remaining() : MAX_HEADER_SIZE; fbuf.get(partHeaderBuff, 0, len); BufferedReader in = new BufferedReader( new InputStreamReader(new ByteArrayInputStream(partHeaderBuff, 0, len), Charset.forName(contentType.getEncoding())), len); int headerLines = 0; // First line is boundary string String mpline = in.readLine(); headerLines++; if (mpline == null || !mpline.contains(contentType.getBoundary())) { throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but chunk does not start with boundary."); } String partName = null, fileName = null, partContentType = null; // Parse the reset of the header lines mpline = in.readLine(); headerLines++; while (mpline != null && mpline.trim().length() > 0) { Matcher matcher = CONTENT_DISPOSITION_PATTERN.matcher(mpline); if (matcher.matches()) { String attributeString = matcher.group(2); matcher = CONTENT_DISPOSITION_ATTRIBUTE_PATTERN.matcher(attributeString); while (matcher.find()) { String key = matcher.group(1); if ("name".equalsIgnoreCase(key)) { partName = matcher.group(2); } else if ("filename".equalsIgnoreCase(key)) { fileName = matcher.group(2); // add these two line to support multiple // files uploaded using the same field Id if (!fileName.isEmpty()) { if (pcount > 0) partName = partName + String.valueOf(pcount++); else pcount++; } } } } matcher = CONTENT_TYPE_PATTERN.matcher(mpline); if (matcher.matches()) { partContentType = matcher.group(2).trim(); } mpline = in.readLine(); headerLines++; } int partHeaderLength = 0; while (headerLines-- > 0) { partHeaderLength = scipOverNewLine(partHeaderBuff, partHeaderLength); } // Read the part data if (partHeaderLength >= len - 4) { throw new ResponseException(Response.Status.INTERNAL_ERROR, "Multipart header size exceeds MAX_HEADER_SIZE."); } int partDataStart = boundaryIdxs[boundaryIdx] + partHeaderLength; int partDataEnd = boundaryIdxs[boundaryIdx + 1] - 4; fbuf.position(partDataStart); List values = parms.get(partName); if (values == null) { values = new ArrayList(); parms.put(partName, values); } if (partContentType == null) { // Read the part into a string byte[] data_bytes = new byte[partDataEnd - partDataStart]; fbuf.get(data_bytes); values.add(new String(data_bytes, contentType.getEncoding())); } else { // Read it into a file String path = saveTmpFile(fbuf, partDataStart, partDataEnd - partDataStart, fileName); if (!files.containsKey(partName)) { files.put(partName, path); } else { int count = 2; while (files.containsKey(partName + count)) { count++; } files.put(partName + count, path); } values.add(fileName); } } } catch (ResponseException re) { throw re; } catch (Exception e) { throw new ResponseException(Response.Status.INTERNAL_ERROR, e.toString()); } } private int scipOverNewLine(byte[] partHeaderBuff, int index) { while (partHeaderBuff[index] != '\n') { index++; } return ++index; } /** * Decodes parameters in percent-encoded URI-format ( e.g. * "name=Jack%20Daniels&pass=Single%20Malt" ) and adds them to given Map. */ private void decodeParms(String parms, Map> p) { if (parms == null) { this.queryParameterString = ""; return; } this.queryParameterString = parms; StringTokenizer st = new StringTokenizer(parms, "&"); while (st.hasMoreTokens()) { String e = st.nextToken(); int sep = e.indexOf('='); String key = null; String value = null; if (sep >= 0) { key = decodePercent(e.substring(0, sep)).trim(); value = decodePercent(e.substring(sep + 1)); } else { key = decodePercent(e).trim(); value = ""; } List values = p.get(key); if (values == null) { values = new ArrayList(); p.put(key, values); } values.add(value); } } @Override public void execute() throws IOException { Response r = null; try { // Read the first 8192 bytes. // The full header should fit in here. // Apache's default header limit is 8KB. // Do NOT assume that a single read will get the entire header // at once! byte[] buf = new byte[HTTPSession.BUFSIZE]; this.splitbyte = 0; this.rlen = 0; int read = -1; this.inputStream.mark(HTTPSession.BUFSIZE); try { read = this.inputStream.read(buf, 0, HTTPSession.BUFSIZE); } catch (SSLException e) { throw e; } catch (IOException e) { safeClose(this.inputStream); safeClose(this.outputStream); throw new SocketException("NanoHttpd Shutdown"); } if (read == -1) { // socket was been closed safeClose(this.inputStream); safeClose(this.outputStream); throw new SocketException("NanoHttpd Shutdown"); } while (read > 0) { this.rlen += read; this.splitbyte = findHeaderEnd(buf, this.rlen); if (this.splitbyte > 0) { break; } read = this.inputStream.read(buf, this.rlen, HTTPSession.BUFSIZE - this.rlen); } if (this.splitbyte < this.rlen) { this.inputStream.reset(); this.inputStream.skip(this.splitbyte); } this.parms = new HashMap>(); if (null == this.headers) { this.headers = new HashMap(); } 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 pre = new HashMap(); decodeHeader(hin, pre, this.parms, this.headers); if (null != this.remoteIp) { this.headers.put("remote-addr", this.remoteIp); this.headers.put("http-client-ip", this.remoteIp); } this.method = Method.lookup(pre.get("method")); if (this.method == null) { throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Syntax error. HTTP verb " + pre.get("method") + " unhandled."); } this.uri = pre.get("uri"); this.cookies = new CookieHandler(this.headers); String connection = this.headers.get("connection"); boolean keepAlive = "HTTP/1.1".equals(protocolVersion) && (connection == null || !connection.matches("(?i).*close.*")); // Ok, now do the serve() // TODO: long body_size = getBodySize(); // TODO: long pos_before_serve = this.inputStream.totalRead() // (requires implementation for totalRead()) r = serve(this); // TODO: this.inputStream.skip(body_size - // (this.inputStream.totalRead() - pos_before_serve)) if (r == null) { throw new ResponseException(Response.Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: Serve() returned a null response."); } else { String acceptEncoding = this.headers.get("accept-encoding"); this.cookies.unloadQueue(r); r.setRequestMethod(this.method); r.setGzipEncoding( useGzipWhenAccepted(r) && acceptEncoding != null && acceptEncoding.contains("gzip")); r.setKeepAlive(keepAlive); r.send(this.outputStream); } if (!keepAlive || r.isCloseConnection()) { throw new SocketException("NanoHttpd Shutdown"); } } catch (SocketException e) { // throw it out to close socket object (finalAccept) throw e; } catch (SocketTimeoutException ste) { // treat socket timeouts the same way we treat socket exceptions // i.e. close the stream & finalAccept object by throwing the // exception up the call stack. throw ste; } catch (SSLException ssle) { Response resp = newFixedLengthResponse(Response.Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT, "SSL PROTOCOL FAILURE: " + ssle.getMessage()); resp.send(this.outputStream); safeClose(this.outputStream); } catch (IOException ioe) { Response resp = newFixedLengthResponse(Response.Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage()); resp.send(this.outputStream); safeClose(this.outputStream); } catch (ResponseException re) { Response resp = newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage()); resp.send(this.outputStream); safeClose(this.outputStream); } finally { safeClose(r); this.tempFileManager.clear(); } } /** * Find byte index separating header from body. It must be the last byte of the * first two sequential new lines. */ private int findHeaderEnd(final byte[] buf, int rlen) { int splitbyte = 0; while (splitbyte + 1 < rlen) { // RFC2616 if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n' && splitbyte + 3 < rlen && buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n') { return splitbyte + 4; } // tolerance if (buf[splitbyte] == '\n' && buf[splitbyte + 1] == '\n') { return splitbyte + 2; } splitbyte++; } return 0; } /** * Find the byte positions where multipart boundaries start. This reads a large * block at a time and uses a temporary buffer to optimize (memory mapped) file * access. */ private int[] getBoundaryPositions(ByteBuffer b, byte[] boundary) { int[] res = new int[0]; if (b.remaining() < boundary.length) { return res; } int search_window_pos = 0; byte[] search_window = new byte[4 * 1024 + boundary.length]; int first_fill = (b.remaining() < search_window.length) ? b.remaining() : search_window.length; b.get(search_window, 0, first_fill); int new_bytes = first_fill - boundary.length; do { // Search the search_window for (int j = 0; j < new_bytes; j++) { for (int i = 0; i < boundary.length; i++) { if (search_window[j + i] != boundary[i]) break; if (i == boundary.length - 1) { // Match found, add it to results int[] new_res = new int[res.length + 1]; System.arraycopy(res, 0, new_res, 0, res.length); new_res[res.length] = search_window_pos + j; res = new_res; } } } search_window_pos += new_bytes; // Copy the end of the buffer to the start System.arraycopy(search_window, search_window.length - boundary.length, search_window, 0, boundary.length); // Refill search_window new_bytes = search_window.length - boundary.length; new_bytes = (b.remaining() < new_bytes) ? b.remaining() : new_bytes; b.get(search_window, boundary.length, new_bytes); } while (new_bytes > 0); return res; } @Override public CookieHandler getCookies() { return this.cookies; } @Override public final Map getHeaders() { return this.headers; } @Override public final InputStream getInputStream() { return this.inputStream; } @Override public final Method getMethod() { return this.method; } /** * @deprecated use {@link #getParameters()} instead. */ @Override @Deprecated public final Map getParms() { Map result = new HashMap(); for (String key : this.parms.keySet()) { result.put(key, this.parms.get(key).get(0)); } return result; } @Override public final Map> getParameters() { return this.parms; } @Override public String getQueryParameterString() { return this.queryParameterString; } private RandomAccessFile getTmpBucket() { try { TempFile tempFile = this.tempFileManager.createTempFile(null); return new RandomAccessFile(tempFile.getName(), "rw"); } catch (Exception e) { throw new Error(e); // we won't recover, so throw an error } } @Override public final String getUri() { return this.uri; } /** * Deduce body length in bytes. Either from "content-length" header or read * bytes. */ public long getBodySize() { if (this.headers.containsKey("content-length")) { return Long.parseLong(this.headers.get("content-length")); } else if (this.splitbyte < this.rlen) { return this.rlen - this.splitbyte; } return 0; } @Override public void parseBody(Map files) throws IOException, ResponseException { RandomAccessFile randomAccessFile = null; try { long size = getBodySize(); ByteArrayOutputStream baos = null; DataOutput requestDataOutput = null; // Store the request in memory or a file, depending on size if (size < MEMORY_STORE_LIMIT) { baos = new ByteArrayOutputStream(); requestDataOutput = new DataOutputStream(baos); } else { randomAccessFile = getTmpBucket(); requestDataOutput = randomAccessFile; } // Read all the body and write it to request_data_output byte[] buf = new byte[REQUEST_BUFFER_LEN]; while (this.rlen >= 0 && size > 0) { this.rlen = this.inputStream.read(buf, 0, (int) Math.min(size, REQUEST_BUFFER_LEN)); size -= this.rlen; if (this.rlen > 0) { requestDataOutput.write(buf, 0, this.rlen); } } ByteBuffer fbuf = null; if (baos != null) { fbuf = ByteBuffer.wrap(baos.toByteArray(), 0, baos.size()); } else { fbuf = randomAccessFile.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, randomAccessFile.length()); randomAccessFile.seek(0); } // If the method is POST, there may be parameters // in data section, too, read it: if (Method.POST.equals(this.method)) { ContentType contentType = new ContentType(this.headers.get("content-type")); if (contentType.isMultipart()) { String boundary = contentType.getBoundary(); if (boundary == null) { throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but boundary missing. Usage: GET /example/file.html"); } decodeMultipartFormData(contentType, fbuf, this.parms, files); } else { byte[] postBytes = new byte[fbuf.remaining()]; fbuf.get(postBytes); String postLine = new String(postBytes, contentType.getEncoding()).trim(); // Handle application/x-www-form-urlencoded if ("application/x-www-form-urlencoded".equalsIgnoreCase(contentType.getContentType())) { decodeParms(postLine, this.parms); } else if (postLine.length() != 0) { // Special case for raw POST data => create a // special files entry "postData" with raw content // data files.put("postData", postLine); } } } else if (Method.PUT.equals(this.method)) { files.put("content", saveTmpFile(fbuf, 0, fbuf.limit(), null)); } } finally { safeClose(randomAccessFile); } } /** * Retrieves the content of a sent file and saves it to a temporary file. The * full path to the saved file is returned. */ private String saveTmpFile(ByteBuffer b, int offset, int len, String filename_hint) { String path = ""; if (len > 0) { FileOutputStream fileOutputStream = null; try { TempFile tempFile = this.tempFileManager.createTempFile(filename_hint); ByteBuffer src = b.duplicate(); fileOutputStream = new FileOutputStream(tempFile.getName()); FileChannel dest = fileOutputStream.getChannel(); src.position(offset).limit(offset + len); dest.write(src.slice()); path = tempFile.getName(); } catch (Exception e) { // Catch exception if any throw new Error(e); // we won't recover, so throw an error } finally { safeClose(fileOutputStream); } } return path; } @Override public String getRemoteIpAddress() { return this.remoteIp; } @Override public String getRemoteHostName() { return this.remoteHostname; } } /** * Handles one session, i.e. parses the HTTP request and returns the response. */ public interface IHTTPSession { void execute() throws IOException; CookieHandler getCookies(); Map getHeaders(); InputStream getInputStream(); Method getMethod(); /** * This method will only return the first value for a given parameter. You will * want to use getParameters if you expect multiple values for a given key. * * @deprecated use {@link #getParameters()} instead. */ @Deprecated Map getParms(); Map> getParameters(); String getQueryParameterString(); /** * @return the path part of the URL. */ String getUri(); /** * Adds the files in the request body to the files map. * * @param files map to modify */ void parseBody(Map files) throws IOException, ResponseException; /** * Get the remote ip address of the requester. * * @return the IP address. */ String getRemoteIpAddress(); /** * Get the remote hostname of the requester. * * @return the hostname. */ String getRemoteHostName(); } /** * HTTP Request methods, with the ability to decode a String back * to its enum value. */ public enum Method { GET, PUT, POST, DELETE, HEAD, OPTIONS, TRACE, CONNECT, PATCH, PROPFIND, PROPPATCH, MKCOL, MOVE, COPY, LOCK, UNLOCK; static Method lookup(String method) { if (method == null) return null; try { return valueOf(method); } catch (IllegalArgumentException e) { // TODO: Log it? return null; } } } /** * HTTP response. Return one of these from serve(). */ public static class Response implements Closeable { public interface IStatus { String getDescription(); int getRequestStatus(); } /** * Some HTTP response status codes */ public enum Status implements IStatus { SWITCH_PROTOCOL(101, "Switching Protocols"), OK(200, "OK"), CREATED(201, "Created"), ACCEPTED(202, "Accepted"), NO_CONTENT(204, "No Content"), PARTIAL_CONTENT(206, "Partial Content"), MULTI_STATUS(207, "Multi-Status"), REDIRECT(301, "Moved Permanently"), /** * Many user agents mishandle 302 in ways that violate the RFC1945 spec (i.e., * redirect a POST to a GET). 303 and 307 were added in RFC2616 to address this. * You should prefer 303 and 307 unless the calling user agent does not support * 303 and 307 functionality */ @Deprecated FOUND(302, "Found"), REDIRECT_SEE_OTHER(303, "See Other"), NOT_MODIFIED(304, "Not Modified"), TEMPORARY_REDIRECT(307, "Temporary Redirect"), BAD_REQUEST(400, "Bad Request"), UNAUTHORIZED(401, "Unauthorized"), FORBIDDEN(403, "Forbidden"), NOT_FOUND(404, "Not Found"), METHOD_NOT_ALLOWED(405, "Method Not Allowed"), NOT_ACCEPTABLE(406, "Not Acceptable"), REQUEST_TIMEOUT(408, "Request Timeout"), CONFLICT(409, "Conflict"), GONE(410, "Gone"), LENGTH_REQUIRED(411, "Length Required"), PRECONDITION_FAILED(412, "Precondition Failed"), PAYLOAD_TOO_LARGE(413, "Payload Too Large"), UNSUPPORTED_MEDIA_TYPE(415, "Unsupported Media Type"), RANGE_NOT_SATISFIABLE(416, "Requested Range Not Satisfiable"), EXPECTATION_FAILED(417, "Expectation Failed"), TOO_MANY_REQUESTS(429, "Too Many Requests"), INTERNAL_ERROR(500, "Internal Server Error"), NOT_IMPLEMENTED(501, "Not Implemented"), SERVICE_UNAVAILABLE(503, "Service Unavailable"), UNSUPPORTED_HTTP_VERSION(505, "HTTP Version Not Supported"); private final int requestStatus; private final String description; Status(int requestStatus, String description) { this.requestStatus = requestStatus; this.description = description; } public static Status lookup(int requestStatus) { for (Status status : Status.values()) { if (status.getRequestStatus() == requestStatus) { return status; } } return null; } @Override public String getDescription() { return "" + this.requestStatus + " " + this.description; } @Override public int getRequestStatus() { return this.requestStatus; } } /** * Output stream that will automatically send every write to the wrapped * OutputStream according to chunked transfer: * http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6.1 */ private static class ChunkedOutputStream extends FilterOutputStream { public ChunkedOutputStream(OutputStream out) { super(out); } @Override public void write(int b) throws IOException { byte[] data = { (byte) b }; write(data, 0, 1); } @Override public void write(byte[] b) throws IOException { write(b, 0, b.length); } @Override public void write(byte[] b, int off, int len) throws IOException { if (len == 0) return; out.write(String.format("%x\r\n", len).getBytes()); out.write(b, off, len); out.write("\r\n".getBytes()); } public void finish() throws IOException { out.write("0\r\n\r\n".getBytes()); } } /** * HTTP status code after processing, e.g. "200 OK", Status.OK */ private IStatus status; /** * MIME type of content, e.g. "text/html" */ private String mimeType; /** * Data of the response, may be null. */ private InputStream data; private long contentLength; /** * Headers for the HTTP response. Use addHeader() to add lines. the lowercase * map is automatically kept up to date. */ @SuppressWarnings("serial") private final Map header = new HashMap() { public String put(String key, String value) { lowerCaseHeader.put(key == null ? key : key.toLowerCase(), value); return super.put(key, value); }; }; /** * copy of the header map with all the keys lowercase for faster searching. */ private final Map lowerCaseHeader = new HashMap(); /** * The request method that spawned this response. */ private Method requestMethod; /** * Use chunkedTransfer */ private boolean chunkedTransfer; private boolean encodeAsGzip; private boolean keepAlive; /** * Creates a fixed length response if totalBytes>=0, otherwise chunked. */ protected Response(IStatus status, String mimeType, InputStream data, long totalBytes) { this.status = status; this.mimeType = mimeType; if (data == null) { this.data = new ByteArrayInputStream(new byte[0]); this.contentLength = 0L; } else { this.data = data; this.contentLength = totalBytes; } this.chunkedTransfer = this.contentLength < 0; keepAlive = true; } @Override public void close() throws IOException { if (this.data != null) { this.data.close(); } } /** * Adds given line to the header. */ public void addHeader(String name, String value) { this.header.put(name, value); } /** * Indicate to close the connection after the Response has been sent. * * @param close {@code true} to hint connection closing, {@code false} to let * connection be closed by client. */ public void closeConnection(boolean close) { if (close) this.header.put("connection", "close"); else this.header.remove("connection"); } /** * @return {@code true} if connection is to be closed after this Response has * been sent. */ public boolean isCloseConnection() { return "close".equals(getHeader("connection")); } public InputStream getData() { return this.data; } public String getHeader(String name) { return this.lowerCaseHeader.get(name.toLowerCase()); } public String getMimeType() { return this.mimeType; } public Method getRequestMethod() { return this.requestMethod; } public IStatus getStatus() { return this.status; } public void setGzipEncoding(boolean encodeAsGzip) { this.encodeAsGzip = encodeAsGzip; } public void setKeepAlive(boolean useKeepAlive) { this.keepAlive = useKeepAlive; } /** * Sends given response to the socket. */ protected void send(OutputStream outputStream) { SimpleDateFormat gmtFrmt = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss 'GMT'", Locale.US); gmtFrmt.setTimeZone(TimeZone.getTimeZone("GMT")); try { if (this.status == null) { throw new Error("sendResponse(): Status can't be null."); } PrintWriter pw = new PrintWriter( new BufferedWriter( new OutputStreamWriter(outputStream, new ContentType(this.mimeType).getEncoding())), false); pw.append("HTTP/1.1 ").append(this.status.getDescription()).append(" \r\n"); if (this.mimeType != null) { printHeader(pw, "Content-Type", this.mimeType); } if (getHeader("date") == null) { printHeader(pw, "Date", gmtFrmt.format(new Date())); } for (Entry entry : this.header.entrySet()) { printHeader(pw, entry.getKey(), entry.getValue()); } if (getHeader("connection") == null) { printHeader(pw, "Connection", (this.keepAlive ? "keep-alive" : "close")); } if (getHeader("content-length") != null) { encodeAsGzip = false; } if (encodeAsGzip) { printHeader(pw, "Content-Encoding", "gzip"); setChunkedTransfer(true); } long pending = this.data != null ? this.contentLength : 0; if (this.requestMethod != Method.HEAD && this.chunkedTransfer) { printHeader(pw, "Transfer-Encoding", "chunked"); } else if (!encodeAsGzip) { pending = sendContentLengthHeaderIfNotAlreadyPresent(pw, pending); } pw.append("\r\n"); pw.flush(); sendBodyWithCorrectTransferAndEncoding(outputStream, pending); outputStream.flush(); safeClose(this.data); } catch (IOException ioe) { NanoHTTPD.LOG.log(Level.SEVERE, "Could not send response to the client", ioe); } } @SuppressWarnings("static-method") protected void printHeader(PrintWriter pw, String key, String value) { pw.append(key).append(": ").append(value).append("\r\n"); } protected long sendContentLengthHeaderIfNotAlreadyPresent(PrintWriter pw, long defaultSize) { String contentLengthString = getHeader("content-length"); long size = defaultSize; if (contentLengthString != null) { try { size = Long.parseLong(contentLengthString); } catch (NumberFormatException ex) { LOG.severe("content-length was no number " + contentLengthString); } } pw.print("Content-Length: " + size + "\r\n"); return size; } private void sendBodyWithCorrectTransferAndEncoding(OutputStream outputStream, long pending) throws IOException { if (this.requestMethod != Method.HEAD && this.chunkedTransfer) { ChunkedOutputStream chunkedOutputStream = new ChunkedOutputStream(outputStream); sendBodyWithCorrectEncoding(chunkedOutputStream, -1); chunkedOutputStream.finish(); } else { sendBodyWithCorrectEncoding(outputStream, pending); } } private void sendBodyWithCorrectEncoding(OutputStream outputStream, long pending) throws IOException { if (encodeAsGzip) { GZIPOutputStream gzipOutputStream = new GZIPOutputStream(outputStream); sendBody(gzipOutputStream, -1); gzipOutputStream.finish(); } else { sendBody(outputStream, pending); } } /** * Sends the body to the specified OutputStream. The pending parameter limits * the maximum amounts of bytes sent unless it is -1, in which case everything * is sent. * * @param outputStream the OutputStream to send data to * @param pending -1 to send everything, otherwise sets a max limit to the * number of bytes sent * @throws IOException if something goes wrong while sending the data. */ private void sendBody(OutputStream outputStream, long pending) throws IOException { long BUFFER_SIZE = 16 * 1024; byte[] buff = new byte[(int) BUFFER_SIZE]; boolean sendEverything = pending == -1; while (pending > 0 || sendEverything) { long bytesToRead = sendEverything ? BUFFER_SIZE : Math.min(pending, BUFFER_SIZE); int read = this.data.read(buff, 0, (int) bytesToRead); if (read <= 0) { break; } outputStream.write(buff, 0, read); if (!sendEverything) { pending -= read; } } } public void setChunkedTransfer(boolean chunkedTransfer) { this.chunkedTransfer = chunkedTransfer; } public void setData(InputStream data) { this.data = data; } public void setMimeType(String mimeType) { this.mimeType = mimeType; } public void setRequestMethod(Method requestMethod) { this.requestMethod = requestMethod; } public void setStatus(IStatus status) { this.status = status; } } public static final class ResponseException extends Exception { private static final long serialVersionUID = 6569838532917408380L; private final Response.Status status; public ResponseException(Response.Status status, String message) { super(message); this.status = status; } public ResponseException(Response.Status status, String message, Exception e) { super(message, e); this.status = status; } public Response.Status getStatus() { return this.status; } } /** * The runnable that will be used for the main listening thread. */ public class ServerRunnable implements Runnable { private final int timeout; private IOException bindException; private boolean hasBinded = false; public ServerRunnable(int timeout) { this.timeout = timeout; } @Override public void run() { try { myServerSocket.bind( hostname != null ? new InetSocketAddress(hostname, myPort) : new InetSocketAddress(myPort)); hasBinded = true; } catch (IOException e) { this.bindException = e; return; } do { try { final Socket finalAccept = NanoHTTPD.this.myServerSocket.accept(); if (this.timeout > 0) { finalAccept.setSoTimeout(this.timeout); } final InputStream inputStream = finalAccept.getInputStream(); NanoHTTPD.this.asyncRunner.exec(createClientHandler(finalAccept, inputStream)); } catch (IOException e) { NanoHTTPD.LOG.log(Level.FINE, "Communication with the client broken", e); } } while (!NanoHTTPD.this.myServerSocket.isClosed()); } } /** * A temp file. *

*

* Temp files are responsible for managing the actual temporary storage and * cleaning themselves up when no longer needed. *

*/ public interface TempFile { public void delete() throws Exception; public String getName(); public OutputStream open() throws Exception; } /** * Temp file manager. *

*

* 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. *

*/ 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 MIME_TYPES; public static Map mimeTypes() { if (MIME_TYPES == null) { MIME_TYPES = new HashMap(); loadMimeTypes(MIME_TYPES, "META-INF/nanohttpd/default-mimetypes.properties"); loadMimeTypes(MIME_TYPES, "META-INF/nanohttpd/mimetypes.properties"); if (MIME_TYPES.isEmpty()) { LOG.log(Level.WARNING, "no mime types found in the classpath! please provide mimetypes.properties"); } } return MIME_TYPES; } @SuppressWarnings({ "unchecked", "rawtypes" }) private static void loadMimeTypes(Map result, String resourceName) { try { Enumeration resources = NanoHTTPD.class.getClassLoader().getResources(resourceName); while (resources.hasMoreElements()) { URL url = (URL) resources.nextElement(); Properties properties = new Properties(); InputStream stream = null; try { stream = url.openStream(); properties.load(stream); } catch (IOException e) { LOG.log(Level.SEVERE, "could not load mimetypes from " + url, e); } finally { safeClose(stream); } result.putAll((Map) properties); } } catch (IOException e) { LOG.log(Level.INFO, "no mime types available at " + resourceName); } }; /** * Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and an array of * loaded KeyManagers. These objects must properly loaded/initialized by the * caller. */ public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManager[] keyManagers) throws IOException { SSLServerSocketFactory res = null; try { TrustManagerFactory trustManagerFactory = TrustManagerFactory .getInstance(TrustManagerFactory.getDefaultAlgorithm()); trustManagerFactory.init(loadedKeyStore); SSLContext ctx = SSLContext.getInstance("TLS"); ctx.init(keyManagers, trustManagerFactory.getTrustManagers(), null); res = ctx.getServerSocketFactory(); } catch (Exception e) { throw new IOException(e.getMessage()); } return res; } /** * Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and a loaded * KeyManagerFactory. These objects must properly loaded/initialized by the * caller. */ public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManagerFactory loadedKeyFactory) throws IOException { try { return makeSSLSocketFactory(loadedKeyStore, loadedKeyFactory.getKeyManagers()); } catch (Exception e) { throw new IOException(e.getMessage()); } } /** * Creates an SSLSocketFactory for HTTPS. Pass a KeyStore resource with your * certificate and passphrase */ public static SSLServerSocketFactory makeSSLSocketFactory(String keyAndTrustStoreClasspathPath, char[] passphrase) throws IOException { try { KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType()); InputStream keystoreStream = NanoHTTPD.class.getResourceAsStream(keyAndTrustStoreClasspathPath); if (keystoreStream == null) { throw new IOException("Unable to load keystore from classpath: " + keyAndTrustStoreClasspathPath); } keystore.load(keystoreStream, passphrase); KeyManagerFactory keyManagerFactory = KeyManagerFactory .getInstance(KeyManagerFactory.getDefaultAlgorithm()); keyManagerFactory.init(keystore, passphrase); return makeSSLSocketFactory(keystore, keyManagerFactory); } catch (Exception e) { throw new IOException(e.getMessage()); } } /** * Get MIME type from file name extension, if possible * * @param uri the string representing a file * @return the connected mime/type */ public static String getMimeTypeForFile(String uri) { int dot = uri.lastIndexOf('.'); String mime = null; if (dot >= 0) { mime = mimeTypes().get(uri.substring(dot + 1).toLowerCase()); } return mime == null ? "application/octet-stream" : mime; } private static final void safeClose(Object closeable) { try { if (closeable != null) { if (closeable instanceof Closeable) { ((Closeable) closeable).close(); } else if (closeable instanceof Socket) { ((Socket) closeable).close(); } else if (closeable instanceof ServerSocket) { ((ServerSocket) closeable).close(); } else { throw new IllegalArgumentException("Unknown object to close"); } } } catch (IOException e) { NanoHTTPD.LOG.log(Level.SEVERE, "Could not close", e); } } private final String hostname; private final int myPort; private volatile ServerSocket myServerSocket; private ServerSocketFactory serverSocketFactory = new DefaultServerSocketFactory(); private Thread myThread; /** * Pluggable strategy for asynchronously executing requests. */ protected AsyncRunner asyncRunner; /** * Pluggable strategy for creating and cleaning up temporary files. */ private TempFileManagerFactory tempFileManagerFactory; /** * Constructs an HTTP server on given port. */ public NanoHTTPD(int port) { this(null, port); } // ------------------------------------------------------------------------------- // // // // Threading Strategy. // // ------------------------------------------------------------------------------- // // /** * Constructs an HTTP server on given hostname and port. */ public NanoHTTPD(String hostname, int port) { this.hostname = hostname; this.myPort = port; setTempFileManagerFactory(new DefaultTempFileManagerFactory()); setAsyncRunner(new DefaultAsyncRunner()); } /** * Forcibly closes all connections that are open. */ public synchronized void closeAllConnections() { stop(); } /** * create a instance of the client handler, subclasses can return a subclass of * the ClientHandler. * * @param finalAccept the socket the cleint is connected to * @param inputStream the input stream * @return the client handler */ protected ClientHandler createClientHandler(final Socket finalAccept, final InputStream inputStream) { return new ClientHandler(inputStream, finalAccept); } /** * Instantiate the server runnable, can be overwritten by subclasses to provide * a subclass of the ServerRunnable. * * @param timeout the socet timeout to use. * @return the server runnable. */ protected ServerRunnable createServerRunnable(final int timeout) { return new ServerRunnable(timeout); } /** * Decode parameters from a URL, handing the case where a single parameter name * might have been supplied several times, by return lists of values. In general * these lists will contain a single element. * * @param parms original NanoHTTPD parameters values, as passed to the * serve() method. * @return a map of String (parameter name) to * List<String> (a list of the values supplied). */ protected static Map> decodeParameters(Map 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 String (parameter name) to * List<String> (a list of the values supplied). */ protected static Map> decodeParameters(String queryString) { Map> parms = new HashMap>(); 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 propertyValue = sep >= 0 ? decodePercent(e.substring(sep + 1)) : null; if (propertyValue != null) { parms.get(propertyName).add(propertyValue); } } } return parms; } /** * Decode percent encoded String values. * * @param str the percent encoded String * @return expanded form of the input, for example "foo%20bar" becomes "foo bar" */ protected static String decodePercent(String str) { String decoded = null; try { decoded = URLDecoder.decode(str, "UTF8"); } catch (UnsupportedEncodingException ignored) { NanoHTTPD.LOG.log(Level.WARNING, "Encoding not supported, ignored", ignored); } return decoded; } /** * @return true if the gzip compression should be used if the client accespts * it. Default this option is on for text content and off for * everything. Override this for custom semantics. */ @SuppressWarnings("static-method") protected boolean useGzipWhenAccepted(Response r) { return r.getMimeType() != null && (r.getMimeType().toLowerCase().contains("text/") || r.getMimeType().toLowerCase().contains("/json")); } public final int getListeningPort() { return this.myServerSocket == null ? -1 : this.myServerSocket.getLocalPort(); } public final boolean isAlive() { return wasStarted() && !this.myServerSocket.isClosed() && this.myThread.isAlive(); } public ServerSocketFactory getServerSocketFactory() { return serverSocketFactory; } public void setServerSocketFactory(ServerSocketFactory serverSocketFactory) { this.serverSocketFactory = serverSocketFactory; } public String getHostname() { return hostname; } public TempFileManagerFactory getTempFileManagerFactory() { return tempFileManagerFactory; } /** * Call before start() to serve over HTTPS instead of HTTP */ public void makeSecure(SSLServerSocketFactory sslServerSocketFactory, String[] sslProtocols) { this.serverSocketFactory = new SecureServerSocketFactory(sslServerSocketFactory, sslProtocols); } /** * Create a response with unknown length (using HTTP 1.1 chunking). */ public static Response newChunkedResponse(IStatus status, String mimeType, InputStream data) { return new Response(status, mimeType, data, -1); } /** * Create a response with known length. */ public static Response newFixedLengthResponse(IStatus status, String mimeType, InputStream data, long totalBytes) { return new Response(status, mimeType, data, totalBytes); } /** * Create a text response with known length. */ public static Response newFixedLengthResponse(IStatus status, String mimeType, String txt) { ContentType contentType = new ContentType(mimeType); if (txt == null) { return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(new byte[0]), 0); } else { byte[] bytes; try { CharsetEncoder newEncoder = Charset.forName(contentType.getEncoding()).newEncoder(); if (!newEncoder.canEncode(txt)) { contentType = contentType.tryUTF8(); } bytes = txt.getBytes(contentType.getEncoding()); } catch (UnsupportedEncodingException e) { NanoHTTPD.LOG.log(Level.SEVERE, "encoding problem, responding nothing", e); bytes = new byte[0]; } return newFixedLengthResponse(status, contentType.getContentTypeHeader(), new ByteArrayInputStream(bytes), bytes.length); } } /** * Create a text response with known length. */ public static Response newFixedLengthResponse(String msg) { return newFixedLengthResponse(Status.OK, NanoHTTPD.MIME_HTML, msg); } /** * Override this to customize the server. *

*

* (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 files = new HashMap(); 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 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. *

*

* (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 headers, Map parms, Map 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; } }