());
- }
- String propertyValue = (sep >= 0) ? decodePercent(e.substring(sep + 1)) : null;
- if (propertyValue != null) {
- parms.get(propertyName).add(propertyValue);
- }
- }
- }
- return parms;
- }
-
- // ------------------------------------------------------------------------------- //
- //
- // Threading Strategy.
- //
- // ------------------------------------------------------------------------------- //
-
- /**
- * Pluggable strategy for asynchronously executing requests.
- *
- * @param asyncRunner new strategy for handling threads.
- */
- public void setAsyncRunner(AsyncRunner asyncRunner) {
- this.asyncRunner = asyncRunner;
- }
-
- // ------------------------------------------------------------------------------- //
- //
- // Temp file handling strategy.
- //
- // ------------------------------------------------------------------------------- //
-
- /**
- * 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;
- }
-
- /**
- * HTTP Request methods, with the ability to decode a String back to its enum value.
- */
- public enum Method {
- GET, PUT, POST, DELETE, HEAD, OPTIONS;
-
- static Method lookup(String method) {
- for (Method m : Method.values()) {
- if (m.toString().equalsIgnoreCase(method)) {
- return m;
- }
- }
- return null;
- }
- }
-
- /**
- * Pluggable strategy for asynchronously executing requests.
- */
- public interface AsyncRunner {
- void exec(Runnable code);
- }
-
- /**
- * Factory to create temp file managers.
- */
- public interface TempFileManagerFactory {
- TempFileManager create();
- }
-
- // ------------------------------------------------------------------------------- //
-
- /**
- * 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 {
- TempFile createTempFile() throws Exception;
-
- void clear();
- }
-
- /**
- * A temp file.
- *
- * Temp files are responsible for managing the actual temporary storage and cleaning
- * themselves up when no longer needed.
- */
- public interface TempFile {
- OutputStream open() throws Exception;
-
- void delete() throws Exception;
-
- String getName();
- }
-
- /**
- * 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;
-
- @Override
- public void exec(Runnable code) {
- ++requestCount;
- Thread t = new Thread(code);
- t.setDaemon(true);
- t.setName("NanoHttpd Request Processor (#" + requestCount + ")");
- t.start();
- }
- }
-
- /**
- * 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() {
- tmpdir = System.getProperty("java.io.tmpdir");
- tempFiles = new ArrayList();
- }
-
- @Override
- public TempFile createTempFile() throws Exception {
- DefaultTempFile tempFile = new DefaultTempFile(tmpdir);
- tempFiles.add(tempFile);
- return tempFile;
- }
-
- @Override
- public void clear() {
- for (TempFile file : tempFiles) {
- try {
- file.delete();
- } catch (Exception ignored) {
- }
- }
- tempFiles.clear();
- }
- }
-
- /**
- * 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 File file;
- private OutputStream fstream;
-
- public DefaultTempFile(String tempdir) throws IOException {
- file = File.createTempFile("NanoHTTPD-", "", new File(tempdir));
- fstream = new FileOutputStream(file);
- }
-
- @Override
- public OutputStream open() throws Exception {
- return fstream;
- }
-
- @Override
- public void delete() throws Exception {
- safeClose(fstream);
- file.delete();
- }
-
- @Override
- public String getName() {
- return file.getAbsolutePath();
- }
- }
-
- /**
- * HTTP response. Return one of these from serve().
- */
- public static class Response {
- /**
- * HTTP status code after processing, e.g. "200 OK", HTTP_OK
- */
- private Status status;
- /**
- * MIME type of content, e.g. "text/html"
- */
- private String mimeType;
- /**
- * Data of the response, may be null.
- */
- private InputStream data;
- /**
- * Headers for the HTTP response. Use addHeader() to add lines.
- */
- private Map header = new HashMap();
- /**
- * The request method that spawned this response.
- */
- private Method requestMethod;
- /**
- * Use chunkedTransfer
- */
- private boolean chunkedTransfer;
-
- /**
- * Default constructor: response = HTTP_OK, mime = MIME_HTML and your supplied message
- */
- public Response(String msg) {
- this(Status.OK, MIME_HTML, msg);
- }
-
- /**
- * Basic constructor.
- */
- public Response(Status status, String mimeType, InputStream data) {
- this.status = status;
- this.mimeType = mimeType;
- this.data = data;
- }
-
- /**
- * Convenience method that makes an InputStream out of given text.
- */
- public Response(Status status, String mimeType, String txt) {
- this.status = status;
- this.mimeType = mimeType;
- try {
- this.data = txt != null ? new ByteArrayInputStream(txt.getBytes("UTF-8")) : null;
- } catch (java.io.UnsupportedEncodingException uee) {
- uee.printStackTrace();
- }
- }
-
- /**
- * Adds given line to the header.
- */
- public void addHeader(String name, String value) {
- header.put(name, value);
- }
-
- /**
- * Sends given response to the socket.
- */
- private void send(OutputStream outputStream) {
- String mime = mimeType;
- SimpleDateFormat gmtFrmt = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss 'GMT'", Locale.US);
- gmtFrmt.setTimeZone(TimeZone.getTimeZone("GMT"));
-
- try {
- if (status == null) {
- throw new Error("sendResponse(): Status can't be null.");
- }
- PrintWriter pw = new PrintWriter(outputStream);
- pw.print("HTTP/1.1 " + status.getDescription() + " \r\n");
-
- if (mime != null) {
- pw.print("Content-Type: " + mime + "\r\n");
- }
-
- if (header == null || header.get("Date") == null) {
- pw.print("Date: " + gmtFrmt.format(new Date()) + "\r\n");
- }
-
- if (header != null) {
- for (String key : header.keySet()) {
- String value = header.get(key);
- pw.print(key + ": " + value + "\r\n");
- }
- }
-
- pw.print("Connection: keep-alive\r\n");
-
- if (requestMethod != Method.HEAD && chunkedTransfer) {
- sendAsChunked(outputStream, pw);
- } else {
- sendAsFixedLength(outputStream, pw);
- }
- outputStream.flush();
- safeClose(data);
- } catch (IOException ioe) {
- // Couldn't write? No can do.
- }
- }
-
- private void sendAsChunked(OutputStream outputStream, PrintWriter pw) throws IOException {
- pw.print("Transfer-Encoding: chunked\r\n");
- pw.print("\r\n");
- pw.flush();
- int BUFFER_SIZE = 16 * 1024;
- byte[] CRLF = "\r\n".getBytes();
- byte[] buff = new byte[BUFFER_SIZE];
- int read;
- while ((read = data.read(buff)) > 0) {
- outputStream.write(String.format("%x\r\n", read).getBytes());
- outputStream.write(buff, 0, read);
- outputStream.write(CRLF);
- }
- outputStream.write(String.format("0\r\n\r\n").getBytes());
- }
-
- private void sendAsFixedLength(OutputStream outputStream, PrintWriter pw) throws IOException {
- int pending = data != null ? data.available() : 0; // This is to support partial sends, see serveFile()
- pw.print("Content-Length: "+pending+"\r\n");
-
- pw.print("\r\n");
- pw.flush();
-
- if (requestMethod != Method.HEAD && data != null) {
- int BUFFER_SIZE = 16 * 1024;
- byte[] buff = new byte[BUFFER_SIZE];
- while (pending > 0) {
- int read = data.read(buff, 0, ((pending > BUFFER_SIZE) ? BUFFER_SIZE : pending));
- if (read <= 0) {
- break;
- }
- outputStream.write(buff, 0, read);
-
- pending -= read;
- }
- }
- }
-
- public Status getStatus() {
- return status;
- }
-
- public void setStatus(Status status) {
- this.status = status;
- }
-
- public String getMimeType() {
- return mimeType;
- }
-
- public void setMimeType(String mimeType) {
- this.mimeType = mimeType;
- }
-
- public InputStream getData() {
- return data;
- }
-
- public void setData(InputStream data) {
- this.data = data;
- }
-
- public Method getRequestMethod() {
- return requestMethod;
- }
-
- public void setRequestMethod(Method requestMethod) {
- this.requestMethod = requestMethod;
- }
-
- public void setChunkedTransfer(boolean chunkedTransfer) {
- this.chunkedTransfer = chunkedTransfer;
- }
-
- /**
- * Some HTTP response status codes
- */
- public enum Status {
- OK(200, "OK"), CREATED(201, "Created"), ACCEPTED(202, "Accepted"), NO_CONTENT(204, "No Content"), PARTIAL_CONTENT(206, "Partial Content"), REDIRECT(301,
- "Moved Permanently"), NOT_MODIFIED(304, "Not Modified"), BAD_REQUEST(400, "Bad Request"), UNAUTHORIZED(401,
- "Unauthorized"), FORBIDDEN(403, "Forbidden"), NOT_FOUND(404, "Not Found"), METHOD_NOT_ALLOWED(405, "Method Not Allowed"), RANGE_NOT_SATISFIABLE(416,
- "Requested Range Not Satisfiable"), INTERNAL_ERROR(500, "Internal Server Error");
- private final int requestStatus;
- private final String description;
-
- Status(int requestStatus, String description) {
- this.requestStatus = requestStatus;
- this.description = description;
- }
-
- public int getRequestStatus() {
- return this.requestStatus;
- }
-
- public String getDescription() {
- return "" + this.requestStatus + " " + description;
- }
- }
- }
-
- public static final class ResponseException extends Exception {
-
- private final Response.Status status;
-
- public ResponseException(Response.Status status, String message) {
- super(message);
- this.status = status;
- }
-
- public ResponseException(Response.Status status, String message, Exception e) {
- super(message, e);
- this.status = status;
- }
-
- public Response.Status getStatus() {
- return status;
- }
- }
-
- /**
- * Default strategy for creating and cleaning up temporary files.
- */
- private class DefaultTempFileManagerFactory implements TempFileManagerFactory {
- @Override
- public TempFileManager create() {
- return new DefaultTempFileManager();
- }
- }
-
- /**
- * Handles one session, i.e. parses the HTTP request and returns the response.
- */
- public interface IHTTPSession {
- void execute() throws IOException;
-
- Map getParms();
-
- Map getHeaders();
-
- /**
- * @return the path part of the URL.
- */
- String getUri();
-
- String getQueryParameterString();
-
- Method getMethod();
-
- InputStream getInputStream();
-
- CookieHandler getCookies();
-
- /**
- * Adds the files in the request body to the files map.
- * @arg files - map to modify
- */
- void parseBody(Map files) throws IOException, ResponseException;
- }
-
- protected class HTTPSession implements IHTTPSession {
- public static final int BUFSIZE = 8192;
- private final TempFileManager tempFileManager;
- private final OutputStream outputStream;
- private InputStream 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;
-
- public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream) {
- this.tempFileManager = tempFileManager;
- this.inputStream = inputStream;
- this.outputStream = outputStream;
- }
-
- public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream, InetAddress inetAddress) {
- this.tempFileManager = tempFileManager;
- this.inputStream = inputStream;
- this.outputStream = outputStream;
- String remoteIp = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "127.0.0.1" : inetAddress.getHostAddress().toString();
- headers = new HashMap();
-
- headers.put("remote-addr", remoteIp);
- headers.put("http-client-ip", remoteIp);
- }
-
- @Override
- public void execute() throws IOException {
- try {
- // Read the first 8192 bytes.
- // The full header should fit in here.
- // Apache's default header limit is 8KB.
- // Do NOT assume that a single read will get the entire header at once!
- byte[] buf = new byte[BUFSIZE];
- splitbyte = 0;
- rlen = 0;
- {
- int read = -1;
- try {
- read = inputStream.read(buf, 0, BUFSIZE);
- } catch (SocketException e) {
- throw new SocketException("NanoHttpd Shutdown");
- }
- if (read == -1) {
- // socket was been closed
- throw new SocketException("NanoHttpd Shutdown");
- }
- while (read > 0) {
- rlen += read;
- splitbyte = findHeaderEnd(buf, rlen);
- if (splitbyte > 0)
- break;
- read = inputStream.read(buf, rlen, BUFSIZE - rlen);
- }
- }
-
- if (splitbyte < rlen) {
- ByteArrayInputStream splitInputStream = new ByteArrayInputStream(buf, splitbyte, rlen - splitbyte);
- SequenceInputStream sequenceInputStream = new SequenceInputStream(splitInputStream, inputStream);
- inputStream = sequenceInputStream;
- }
-
- parms = new HashMap();
- if(null == headers) {
- headers = new HashMap();
- }
-
- // Create a BufferedReader for parsing the header.
- BufferedReader hin = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(buf, 0, rlen)));
-
- // Decode the header into parms and header java properties
- Map pre = new HashMap();
- decodeHeader(hin, pre, parms, headers);
-
- method = Method.lookup(pre.get("method"));
- if (method == null) {
- throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Syntax error.");
- }
-
- uri = pre.get("uri");
-
- cookies = new CookieHandler(headers);
-
- // Ok, now do the serve()
- Response r = serve(this);
- if (r == null) {
- throw new ResponseException(Response.Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: Serve() returned a null response.");
- } else {
- cookies.unloadQueue(r);
- r.setRequestMethod(method);
- r.send(outputStream);
- }
- } catch (SocketException e) {
- // throw it out to close socket object (finalAccept)
- throw e;
- } catch (SocketTimeoutException ste) {
- throw ste;
- } catch (IOException ioe) {
- Response r = new Response(Response.Status.INTERNAL_ERROR, MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
- r.send(outputStream);
- safeClose(outputStream);
- } catch (ResponseException re) {
- Response r = new Response(re.getStatus(), MIME_PLAINTEXT, re.getMessage());
- r.send(outputStream);
- safeClose(outputStream);
- } finally {
- tempFileManager.clear();
- }
- }
-
- @Override
- public void parseBody(Map files) throws IOException, ResponseException {
- RandomAccessFile randomAccessFile = null;
- BufferedReader in = null;
- try {
-
- randomAccessFile = getTmpBucket();
-
- long size;
- if (headers.containsKey("content-length")) {
- size = Integer.parseInt(headers.get("content-length"));
- } else if (splitbyte < rlen) {
- size = rlen - splitbyte;
- } else {
- size = 0;
- }
-
- // Now read all the body and write it to f
- byte[] buf = new byte[512];
- while (rlen >= 0 && size > 0) {
- rlen = inputStream.read(buf, 0, 512);
- size -= rlen;
- if (rlen > 0) {
- randomAccessFile.write(buf, 0, rlen);
- }
- }
-
- // Get the raw body as a byte []
- ByteBuffer fbuf = randomAccessFile.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, randomAccessFile.length());
- randomAccessFile.seek(0);
-
- // Create a BufferedReader for easily reading it as string.
- InputStream bin = new FileInputStream(randomAccessFile.getFD());
- in = new BufferedReader(new InputStreamReader(bin));
-
- // If the method is POST, there may be parameters
- // in data section, too, read it:
- if (Method.POST.equals(method)) {
- String contentType = "";
- String contentTypeHeader = headers.get("content-type");
-
- StringTokenizer st = null;
- if (contentTypeHeader != null) {
- st = new StringTokenizer(contentTypeHeader, ",; ");
- if (st.hasMoreTokens()) {
- contentType = st.nextToken();
- }
- }
-
- if ("multipart/form-data".equalsIgnoreCase(contentType)) {
- // Handle multipart/form-data
- if (!st.hasMoreTokens()) {
- throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but boundary missing. Usage: GET /example/file.html");
- }
-
- String boundaryStartString = "boundary=";
- int boundaryContentStart = contentTypeHeader.indexOf(boundaryStartString) + boundaryStartString.length();
- String boundary = contentTypeHeader.substring(boundaryContentStart, contentTypeHeader.length());
- if (boundary.startsWith("\"") && boundary.endsWith("\"")) {
- boundary = boundary.substring(1, boundary.length() - 1);
- }
-
- decodeMultipartData(boundary, fbuf, in, parms, files);
- } else {
- // Handle application/x-www-form-urlencoded
- String postLine = "";
- char pbuf[] = new char[512];
- int read = in.read(pbuf);
- while (read >= 0 && !postLine.endsWith("\r\n")) {
- postLine += String.valueOf(pbuf, 0, read);
- read = in.read(pbuf);
- }
- postLine = postLine.trim();
- decodeParms(postLine, parms);
- }
- } else if (Method.PUT.equals(method)) {
- files.put("content", saveTmpFile(fbuf, 0, fbuf.limit()));
- }
- } finally {
- safeClose(randomAccessFile);
- safeClose(in);
- }
- }
-
- /**
- * Decodes the sent headers and loads the data into Key/value pairs
- */
- private void decodeHeader(BufferedReader in, Map 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, it's protocol version,
- // followed by HTTP headers. Ignore version but parse headers.
- // NOTE: this now forces header names lowercase since they are
- // case insensitive and vary by client.
- if (st.hasMoreTokens()) {
- String line = in.readLine();
- while (line != null && line.trim().length() > 0) {
- int p = line.indexOf(':');
- if (p >= 0)
- headers.put(line.substring(0, p).trim().toLowerCase(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 decodeMultipartData(String boundary, ByteBuffer fbuf, BufferedReader in, Map parms,
- Map files) throws ResponseException {
- try {
- int[] bpositions = getBoundaryPositions(fbuf, boundary.getBytes());
- int boundarycount = 1;
- String mpline = in.readLine();
- while (mpline != null) {
- if (!mpline.contains(boundary)) {
- throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but next chunk does not start with boundary. Usage: GET /example/file.html");
- }
- boundarycount++;
- Map item = new HashMap();
- mpline = in.readLine();
- while (mpline != null && mpline.trim().length() > 0) {
- int p = mpline.indexOf(':');
- if (p != -1) {
- item.put(mpline.substring(0, p).trim().toLowerCase(Locale.US), mpline.substring(p + 1).trim());
- }
- mpline = in.readLine();
- }
- if (mpline != null) {
- String contentDisposition = item.get("content-disposition");
- if (contentDisposition == null) {
- throw new ResponseException(Response.Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but no content-disposition info found. Usage: GET /example/file.html");
- }
- StringTokenizer st = new StringTokenizer(contentDisposition, "; ");
- Map disposition = new HashMap();
- while (st.hasMoreTokens()) {
- String token = st.nextToken();
- int p = token.indexOf('=');
- if (p != -1) {
- disposition.put(token.substring(0, p).trim().toLowerCase(Locale.US), token.substring(p + 1).trim());
- }
- }
- String pname = disposition.get("name");
- pname = pname.substring(1, pname.length() - 1);
-
- String value = "";
- if (item.get("content-type") == null) {
- while (mpline != null && !mpline.contains(boundary)) {
- mpline = in.readLine();
- if (mpline != null) {
- int d = mpline.indexOf(boundary);
- if (d == -1) {
- value += mpline;
- } else {
- value += mpline.substring(0, d - 2);
- }
- }
- }
- } else {
- if (boundarycount > bpositions.length) {
- throw new ResponseException(Response.Status.INTERNAL_ERROR, "Error processing request");
- }
- int offset = stripMultipartHeaders(fbuf, bpositions[boundarycount - 2]);
- String path = saveTmpFile(fbuf, offset, bpositions[boundarycount - 1] - offset - 4);
- files.put(pname, path);
- value = disposition.get("filename");
- value = value.substring(1, value.length() - 1);
- do {
- mpline = in.readLine();
- } while (mpline != null && !mpline.contains(boundary));
- }
- parms.put(pname, value);
- }
- }
- } catch (IOException ioe) {
- throw new ResponseException(Response.Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage(), ioe);
- }
- }
-
- /**
- * Find byte index separating header from body. It must be the last byte of the first two sequential new lines.
- */
- private int findHeaderEnd(final byte[] buf, int rlen) {
- int splitbyte = 0;
- while (splitbyte + 3 < rlen) {
- if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n' && buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n') {
- return splitbyte + 4;
- }
- splitbyte++;
- }
- return 0;
- }
-
- /**
- * Find the byte positions where multipart boundaries start.
- */
- private int[] getBoundaryPositions(ByteBuffer b, byte[] boundary) {
- int matchcount = 0;
- int matchbyte = -1;
- List matchbytes = new ArrayList();
- for (int i = 0; i < b.limit(); i++) {
- if (b.get(i) == boundary[matchcount]) {
- if (matchcount == 0)
- matchbyte = i;
- matchcount++;
- if (matchcount == boundary.length) {
- matchbytes.add(matchbyte);
- matchcount = 0;
- matchbyte = -1;
- }
- } else {
- i -= matchcount;
- matchcount = 0;
- matchbyte = -1;
- }
- }
- int[] ret = new int[matchbytes.size()];
- for (int i = 0; i < ret.length; i++) {
- ret[i] = matchbytes.get(i);
- }
- return ret;
- }
-
- /**
- * Retrieves the content of a sent file and saves it to a temporary file. The full path to the saved file is returned.
- */
- private String saveTmpFile(ByteBuffer b, int offset, int len) {
- String path = "";
- if (len > 0) {
- FileOutputStream fileOutputStream = null;
- try {
- TempFile tempFile = tempFileManager.createTempFile();
- ByteBuffer src = b.duplicate();
- fileOutputStream = new FileOutputStream(tempFile.getName());
- FileChannel dest = fileOutputStream.getChannel();
- src.position(offset).limit(offset + len);
- dest.write(src.slice());
- path = tempFile.getName();
- } catch (Exception e) { // Catch exception if any
- System.err.println("Error: " + e.getMessage());
- } finally {
- safeClose(fileOutputStream);
- }
- }
- return path;
- }
-
- private RandomAccessFile getTmpBucket() {
- try {
- TempFile tempFile = tempFileManager.createTempFile();
- return new RandomAccessFile(tempFile.getName(), "rw");
- } catch (Exception e) {
- System.err.println("Error: " + e.getMessage());
- }
- return null;
- }
-
- /**
- * It returns the offset separating multipart file headers from the file's data.
- */
- private int stripMultipartHeaders(ByteBuffer b, int offset) {
- int i;
- for (i = offset; i < b.limit(); i++) {
- if (b.get(i) == '\r' && b.get(++i) == '\n' && b.get(++i) == '\r' && b.get(++i) == '\n') {
- break;
- }
- }
- return i + 1;
- }
-
- /**
- * Decodes parameters in percent-encoded URI-format ( e.g. "name=Jack%20Daniels&pass=Single%20Malt" ) and
- * adds them to given Map. NOTE: this doesn't support multiple identical keys due to the simplicity of Map.
- */
- private void decodeParms(String parms, Map p) {
- if (parms == null) {
- queryParameterString = "";
- return;
- }
-
- 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 final Map getParms() {
- return parms;
- }
-
- public String getQueryParameterString() {
- return queryParameterString;
- }
-
- @Override
- public final Map getHeaders() {
- return headers;
- }
-
- @Override
- public final String getUri() {
- return uri;
- }
-
- @Override
- public final Method getMethod() {
- return method;
- }
-
- @Override
- public final InputStream getInputStream() {
- return inputStream;
- }
-
- @Override
- public CookieHandler getCookies() {
- return cookies;
- }
- }
-
- public static class Cookie {
- private String n, v, e;
-
- public Cookie(String name, String value, String expires) {
- n = name;
- v = value;
- e = expires;
- }
-
- public Cookie(String name, String value) {
- this(name, value, 30);
- }
-
- public Cookie(String name, String value, int numDays) {
- n = name;
- v = value;
- e = getHTTPTime(numDays);
- }
-
- public String getHTTPHeader() {
- String fmt = "%s=%s; expires=%s";
- return String.format(fmt, n, v, e);
- }
-
- public static String getHTTPTime(int days) {
- Calendar calendar = Calendar.getInstance();
- SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US);
- dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
- calendar.add(Calendar.DAY_OF_MONTH, days);
- return dateFormat.format(calendar.getTime());
- }
- }
-
- /**
- * Provides rudimentary support for cookies.
- * Doesn't support 'path', 'secure' nor 'httpOnly'.
- * Feel free to improve it and/or add unsupported features.
- *
- * @author LordFokas
- */
- public class CookieHandler implements Iterable {
- private HashMap cookies = new HashMap();
- private 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) {
- cookies.put(data[0], data[1]);
- }
- }
- }
- }
-
- @Override public Iterator iterator() {
- return cookies.keySet().iterator();
- }
-
- /**
- * Read a cookie from the HTTP Headers.
- *
- * @param name The cookie's name.
- * @return The cookie's value if it exists, null otherwise.
- */
- public String read(String name) {
- return cookies.get(name);
- }
-
- /**
- * Sets a cookie.
- *
- * @param name The cookie's name.
- * @param value The cookie's value.
- * @param expires How many days until the cookie expires.
- */
- public void set(String name, String value, int expires) {
- queue.add(new Cookie(name, value, Cookie.getHTTPTime(expires)));
- }
-
- public void set(Cookie cookie) {
- queue.add(cookie);
- }
-
- /**
- * Set a cookie with an expiration date from a month ago, effectively deleting it on the client side.
- *
- * @param name The cookie name.
- */
- public void delete(String name) {
- set(name, "-delete-", -30);
- }
-
- /**
- * Internally used by the webserver to add all queued cookies into the Response's HTTP Headers.
- *
- * @param response The Response object to which headers the queued cookies will be added.
- */
- public void unloadQueue(Response response) {
- for (Cookie cookie : queue) {
- response.addHeader("Set-Cookie", cookie.getHTTPHeader());
- }
- }
- }
-}
\ No newline at end of file