import javax.imageio.*; import java.awt.image.*; import java.awt.event.*; import java.awt.*; import java.security.spec.*; import java.security.*; import java.lang.management.*; import java.lang.ref.*; import java.lang.reflect.*; import java.net.*; import java.io.*; import javax.swing.table.*; import javax.swing.text.*; import javax.swing.event.*; import javax.swing.*; import java.util.concurrent.atomic.*; import java.util.concurrent.*; import java.util.regex.*; import java.util.List; import java.util.zip.*; import java.util.*; import java.nio.ByteBuffer; import java.nio.channels.FileChannel; import java.nio.charset.Charset; import java.security.KeyStore; import java.util.logging.Level; import java.util.logging.Logger; import javax.net.ssl.*; import java.util.*; import java.io.*; import java.net.*; 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.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.*; public class main { public static void main(String[] args) throws Exception { serveHttp(80); } static NanoHTTPD.Response serve(String uri, NanoHTTPD.Method method, Map header, Map parms, Map files) { print("Serving HTML."); return serveHTML("Hello world (as usual...)"); } static NanoHTTPD.Response serveHTML(String text) { return NanoHTTPD.newFixedLengthResponse(String.valueOf(text)); } static 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 { 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(String tempdir) throws IOException { this.file = File.createTempFile("NanoHTTPD-", "", new File(tempdir)); this.fstream = new FileOutputStream(this.file); System.err.println("Temp file created: " + file); } @Override public void delete() throws Exception { safeClose(this.fstream); System.err.println("Temp file deleted: " + file); 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. *

*

* 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 String tmpdir; private final List tempFiles; public DefaultTempFileManager() { this.tmpdir = System.getProperty("java.io.tmpdir"); 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() 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 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 { public static final int BUFSIZE = 8192; private final TempFileManager tempFileManager; private final OutputStream outputStream; private final PushbackInputStream 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 protocolVersion; public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream) { this.tempFileManager = tempFileManager; this.inputStream = new PushbackInputStream(inputStream, HTTPSession.BUFSIZE); this.outputStream = outputStream; } public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream, InetAddress inetAddress) { this.tempFileManager = tempFileManager; this.inputStream = new PushbackInputStream(inputStream, HTTPSession.BUFSIZE); this.outputStream = outputStream; this.remoteIp = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "127.0.0.1" : inetAddress.getHostAddress().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(Status.BAD_REQUEST, "BAD REQUEST: Syntax error. Usage: GET /example/file.html"); } pre.put("method", st.nextToken()); if (!st.hasMoreTokens()) { throw new ResponseException(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(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, ByteBuffer fbuf, Map parms, Map files) throws ResponseException { try { int[] boundary_idxs = getBoundaryPositions(fbuf, boundary.getBytes()); if (boundary_idxs.length < 2) { throw new ResponseException( Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but contains less than two boundary strings."); } final int MAX_HEADER_SIZE = 1024; 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); ByteArrayInputStream bais = new ByteArrayInputStream(part_header_buff, 0, len); BufferedReader in = new BufferedReader(new InputStreamReader(bais, Charset.forName("US-ASCII"))); // First line is boundary string String mpline = in.readLine(); if (!mpline.contains(boundary)) { throw new ResponseException(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(); 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(); } // Read the part data int part_header_len = len - (int) in.skip(MAX_HEADER_SIZE); if (part_header_len >= len - 4) { throw new ResponseException(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)); } else { // Read it into a file String path = saveTmpFile(fbuf, part_data_start, part_data_end - part_data_start); 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(Status.INTERNAL_ERROR, e.toString()); } } /** * 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 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; 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.unread(buf, this.splitbyte, this.rlen - this.splitbyte); } this.parms = new HashMap(); if (null == this.headers) { this.headers = new HashMap(); } else { this.headers.clear(); } if (null != this.remoteIp) { this.headers.put("remote-addr", this.remoteIp); this.headers.put("http-client-ip", this.remoteIp); } // 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); this.method = Method.lookup(pre.get("method")); if (this.method == null) { throw new ResponseException(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() r = serve(this); if (r == null) { throw new ResponseException(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(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 + 3 < rlen) { if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n' && buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n') { return splitbyte + 4; } splitbyte++; } return 0; } /** * Find the byte positions where multipart boundaries start. 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; } @Override public final Map getParms() { return this.parms; } @Override public String getQueryParameterString() { return this.queryParameterString; } private RandomAccessFile getTmpBucket() { try { TempFile tempFile = this.tempFileManager.createTempFile(); 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; } @Override public void parseBody(Map files) throws IOException, ResponseException { final int REQUEST_BUFFER_LEN = 512; final int MEMORY_STORE_LIMIT = 1024; RandomAccessFile randomAccessFile = null; try { long size; if (this.headers.containsKey("content-length")) { size = Integer.parseInt(this.headers.get("content-length")); } else if (this.splitbyte < this.rlen) { size = this.rlen - this.splitbyte; } else { size = 0; } 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(Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but boundary missing. Usage: GET /example/file.html"); } String boundaryStartString = "boundary="; int boundaryContentStart = contentTypeHeader.indexOf(boundaryStartString) + boundaryStartString.length(); String boundary = contentTypeHeader.substring(boundaryContentStart, contentTypeHeader.length()); if (boundary.startsWith("\"") && boundary.endsWith("\"")) { boundary = boundary.substring(1, boundary.length() - 1); } decodeMultipartFormData(boundary, 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())); } } 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 path = ""; if (len > 0) { FileOutputStream fileOutputStream = null; try { TempFile tempFile = this.tempFileManager.createTempFile(); ByteBuffer src = b.duplicate(); fileOutputStream = new FileOutputStream(tempFile.getName()); FileChannel dest = fileOutputStream.getChannel(); src.position(offset).limit(offset + len); dest.write(src.slice()); path = tempFile.getName(); } catch (Exception e) { // Catch exception if any 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 getHeaders(); InputStream getInputStream(); Method getMethod(); Map 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 files) throws IOException, ResponseException; } /** * 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; 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 { /** * 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 header = 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); } 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 boolean headerAlreadySent(Map 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 long sendContentLengthHeaderIfNotAlreadyPresent(PrintWriter pw, Map 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 Status status; public ResponseException(Status status, String message) { super(message); this.status = status; } public ResponseException(Status status, String message, Exception e) { super(message, e); this.status = status; } public 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. *

*

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

*/ public interface TempFile { void delete() throws Exception; String getName(); 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(); TempFile createTempFile() throws Exception; } /** * Factory to create temp file managers. */ public interface TempFileManagerFactory { TempFileManager create(); } /** * 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()); /** * 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 { SSLServerSocketFactory res = null; try { TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm()); trustManagerFactory.init(loadedKeyStore); SSLContext ctx = SSLContext.getInstance("TLS"); ctx.init(loadedKeyFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null); res = ctx.getServerSocketFactory(); } catch (Exception e) { throw new IOException(e.getMessage()); } return res; } /** * Creates an SSLSocketFactory for HTTPS. Pass a KeyStore resource with your * certificate and passphrase */ public static SSLServerSocketFactory makeSSLSocketFactory(String keyAndTrustStoreClasspathPath, char[] passphrase) throws IOException { SSLServerSocketFactory res = null; try { KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType()); InputStream keystoreStream = NanoHTTPD.class.getResourceAsStream(keyAndTrustStoreClasspathPath); keystore.load(keystoreStream, passphrase); TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm()); trustManagerFactory.init(keystore); KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm()); keyManagerFactory.init(keystore, passphrase); SSLContext ctx = SSLContext.getInstance("TLS"); ctx.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null); res = ctx.getServerSocketFactory(); } catch (Exception e) { throw new IOException(e.getMessage()); } return res; } 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 ServerSocket myServerSocket; private SSLServerSocketFactory sslServerSocketFactory; 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 Map> decodeParameters(Map parms) { return this.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 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 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 else. */ 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 void join() throws InterruptedException { myThread.join(); } /** * Call before start() to serve over HTTPS instead of HTTP */ public void makeSecure(SSLServerSocketFactory sslServerSocketFactory) { this.sslServerSocketFactory = sslServerSocketFactory; } /** * Create a response with unknown length (using HTTP 1.1 chunking). */ public 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. *

*

* (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(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(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); } /** * Start the server. * * @param timeout * timeout to use for socket connections. * @throws IOException * if the socket is in use. */ public void start(final int timeout) throws IOException { if (this.sslServerSocketFactory != null) { SSLServerSocket ss = (SSLServerSocket) this.sslServerSocketFactory.createServerSocket(); ss.setNeedClientAuth(false); this.myServerSocket = ss; } else { this.myServerSocket = new ServerSocket(); } this.myServerSocket.setReuseAddress(true); ServerRunnable serverRunnable = createServerRunnable(timeout); this.myThread = new Thread(serverRunnable); //this.myThread.setDaemon(true); 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; } System.out.println("HTTP server started (listening on port " + myPort + "!)"); printMyIPs(); } /** * 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; } static void printMyIPs() { String ip; try { Enumeration interfaces = NetworkInterface.getNetworkInterfaces(); while (interfaces.hasMoreElements()) { NetworkInterface iface = interfaces.nextElement(); // filters out 127.0.0.1 and inactive interfaces if (iface.isLoopback() || !iface.isUp()) continue; Enumeration addresses = iface.getInetAddresses(); while(addresses.hasMoreElements()) { InetAddress addr = addresses.nextElement(); ip = addr.getHostAddress(); if (ip.startsWith("127.")) continue; boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe"); System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)")); } } } catch (Throwable e) { e.printStackTrace(); } } // printMyIPs } interface IStatus { String getDescription(); int getRequestStatus(); } /** * Some HTTP response status codes */ 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"), 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"), REQUEST_TIMEOUT(408, "Request Timeout"), RANGE_NOT_SATISFIABLE(416, "Requested Range Not Satisfiable"), INTERNAL_ERROR(500, "Internal Server Error"), 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; } } // class NanoHTTP static class MyHTTPD extends NanoHTTPD { public MyHTTPD(int port) { super(port); } public Response serve(String uri, Method method, Map header, Map parms, Map files) { print("Serving URI: " + quote(uri)); try { return (Response) call(getMainClass(), "serve", uri, method, header, parms, files); } catch (Throwable e) { e.printStackTrace(); return serveHTML("ERROR."); } } } static MyHTTPD serveHttp_server; static int serveHttp_port = 8888; static Set serveHttp_peers = new TreeSet(); static void serveHttp(int port) { try { serveHttp_port = port; serveHttp_server = new MyHTTPD(port); serveHttp_server.start(); System.out.println("HTTP server started (listening on port " + port + "!)"); printMyIPs(); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static StringBuffer print_log; static void print() { print(""); } static void print(Object o) { String s = String.valueOf(o) + "\n"; synchronized(StringBuffer.class) { if (print_log == null) print_log = new StringBuffer(); } print_log.append(s); System.out.print(s); } static void print(long l) { print(String.valueOf(l)); } static Class include(String progID) { Class c = hotwire(progID); setOpt(c, "programID", getProgramID()); return c; } static int l(Object[] array) { return array == null ? 0 : array.length; } static int l(List list) { return list == null ? 0 : list.size(); } static int l(String s) { return s == null ? 0 : s.length(); } static String quote(String s) { if (s == null) return "null"; return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\""; } static String quote(long l) { return quote("" + l); } static Class getMainClass() { try { return Class.forName("main"); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static void printMyIPs() { String ip; try { Enumeration interfaces = NetworkInterface.getNetworkInterfaces(); while (interfaces.hasMoreElements()) { NetworkInterface iface = interfaces.nextElement(); // filters out 127.0.0.1 and inactive interfaces if (iface.isLoopback() || !iface.isUp()) continue; Enumeration addresses = iface.getInetAddresses(); while(addresses.hasMoreElements()) { InetAddress addr = addresses.nextElement(); ip = addr.getHostAddress(); if (ip.startsWith("127.")) continue; boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe"); System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)")); } } } catch (Throwable e) { e.printStackTrace(); } } static Object call(Object o, String method, Object... args) { try { if (o instanceof Class) { Method m = call_findStaticMethod((Class) o, method, args, false); m.setAccessible(true); return m.invoke(null, args); } else { Method m = call_findMethod(o, method, args, false); m.setAccessible(true); return m.invoke(o, args); } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName()); } static Method call_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && call_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName()); } private static boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static String programID; static String getProgramID() { return programID; } // extended over Class.isInstance() to handle primitive types static boolean isInstanceX(Class type, Object arg) { if (type == boolean.class) return arg instanceof Boolean; if (type == int.class) return arg instanceof Integer; if (type == long.class) return arg instanceof Long; if (type == float.class) return arg instanceof Float; if (type == short.class) return arg instanceof Short; if (type == char.class) return arg instanceof Character; if (type == byte.class) return arg instanceof Byte; return type.isInstance(arg); } static void setOpt(Object o, String field, Object value) { if (o instanceof Class) setOpt((Class) o, field, value); else try { Field f = setOpt_findField(o.getClass(), field); if (f == null) return; f.setAccessible(true); f.set(o, value); } catch (Exception e) { throw new RuntimeException(e); } } static void setOpt(Class c, String field, Object value) { try { Field f = setOpt_findStaticField(c, field); if (f == null) return; f.setAccessible(true); f.set(null, value); } catch (Exception e) { throw new RuntimeException(e); } } static Field setOpt_findField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field)) return f; return null; } static Field setOpt_findStaticField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; return null; } // compile JavaX source, load classes & return main class // src can be a snippet ID or actual source code // TODO: record injection? static Class hotwire(String src) { try { Class j = getJavaX(); synchronized(j) { // hopefully this goes well... List libraries = new ArrayList(); File srcDir = (File) call(j, "transpileMain", src, libraries); if (srcDir == null) fail("transpileMain returned null (src=" + quote(src) + ")"); Object androidContext = get(j, "androidContext"); if (androidContext != null) return (Class) call(j, "loadx2android", srcDir, src); File classesDir = (File) call(j, "TempDirMaker_make"); String javacOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir); System.out.println(javacOutput); URL[] urls = new URL[libraries.size()+1]; urls[0] = classesDir.toURI().toURL(); for (int i = 0; i < libraries.size(); i++) urls[i+1] = libraries.get(i).toURI().toURL(); // make class loader URLClassLoader classLoader = new URLClassLoader(urls); // load & return main class Class theClass = classLoader.loadClass("main"); call(j, "setVars", theClass, isSnippetID(src) ? src: null); if (isSnippetID(src)) callOpt(j, "addInstance", src, theClass); return theClass; } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static String programID() { return getProgramID(); } static Object callOpt(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Method m = callOpt_findStaticMethod((Class) o, method, args, false); if (m == null) return null; m.setAccessible(true); return m.invoke(null, args); } else { Method m = callOpt_findMethod(o, method, args, false); if (m == null) return null; m.setAccessible(true); return m.invoke(o, args); } } catch (Exception e) { throw new RuntimeException(e); } } static Method callOpt_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & Modifier.STATIC) == 0 || !callOpt_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } return null; } static Method callOpt_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && callOpt_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } return null; } private static boolean callOpt_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static Class __javax; static Class getJavaX() { return __javax; } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } static RuntimeException fail() { throw new RuntimeException("fail"); } static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); } static Object get(Object o, String field) { if (o instanceof Class) return get((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return call(get_raw(o, "fieldValues"), "get", field); return get_raw(o, field); } static Object get_raw(Object o, String field) { try { Field f = get_findField(o.getClass(), field); f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field get_findStaticField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static Field get_findField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field)) return f; throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) fail("0 is not a snippet ID"); return id; } static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return snippetID; } }