From: Niki Roo Date: Mon, 11 May 2020 21:38:53 +0000 (+0200) Subject: license and copy of java for nanohttpd X-Git-Url: https://git.nikiroo.be/?a=commitdiff_plain;h=328dfa448b1f63f62ade998e9b37f5076b2fc322;p=nikiroo-utils.git license and copy of java for nanohttpd --- diff --git a/libs/NanoHTTPD.java b/libs/NanoHTTPD.java new file mode 100644 index 0000000..75174f3 --- /dev/null +++ b/libs/NanoHTTPD.java @@ -0,0 +1,2358 @@ +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; + } +} diff --git a/libs/licenses/nanohttpd-2.3.1-LICENSE.md b/libs/licenses/nanohttpd-2.3.1-LICENSE.md new file mode 100644 index 0000000..8dc4ca7 --- /dev/null +++ b/libs/licenses/nanohttpd-2.3.1-LICENSE.md @@ -0,0 +1,12 @@ +Copyright (c) 2012-2013 by Paul S. Hawke, 2001,2005-2013 by Jarno Elonen, 2010 by Konstantinos Togias +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + +* 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. + +* Neither the name of the NanoHttpd organization 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.