コード例 #1
0
  public void reset() throws IllegalStateException {

    // Reset the headers only if this is the main request,
    // not for included
    contentType = null;
    ;
    locale = DEFAULT_LOCALE;
    contentLanguage = null;
    characterEncoding = Constants.DEFAULT_CHARACTER_ENCODING;
    // START SJSAS 6316254
    quotedCharsetValue = characterEncoding;
    // END SJSAS 6316254
    contentLength = -1;
    charsetSet = false;

    status = 200;
    message = null;
    headers.clear();

    // Force the PrintWriter to flush its data to the output
    // stream before resetting the output stream
    //
    // Reset the stream
    if (commited) {
      // String msg = sm.getString("servletOutputStreamImpl.reset.ise");
      throw new IllegalStateException();
    }

    action(ActionCode.ACTION_RESET, this);
  }
コード例 #2
0
ファイル: Response.java プロジェクト: duxingzhe311/tomcat
 public boolean checkRegisterForWrite() {
   AtomicBoolean ready = new AtomicBoolean(false);
   synchronized (nonBlockingStateLock) {
     if (!registeredForWrite) {
       action(ActionCode.NB_WRITE_INTEREST, ready);
       registeredForWrite = !ready.get();
     }
   }
   return ready.get();
 }
コード例 #3
0
ファイル: Response.java プロジェクト: duxingzhe311/tomcat
  public void reset() throws IllegalStateException {

    if (commited) {
      throw new IllegalStateException();
    }

    recycle();

    // Reset the stream
    action(ActionCode.RESET, this);
  }
コード例 #4
0
ファイル: Response.java プロジェクト: duxingzhe311/tomcat
  public void setWriteListener(WriteListener listener) {
    if (listener == null) {
      throw new NullPointerException(sm.getString("response.nullWriteListener"));
    }
    if (getWriteListener() != null) {
      throw new IllegalStateException(sm.getString("response.writeListenerSet"));
    }
    // Note: This class is not used for HTTP upgrade so only need to test
    //       for async
    AtomicBoolean result = new AtomicBoolean(false);
    action(ActionCode.ASYNC_IS_ASYNC, result);
    if (!result.get()) {
      throw new IllegalStateException(sm.getString("response.notAsync"));
    }

    this.listener = listener;

    // The container is responsible for the first call to
    // listener.onWritePossible(). If isReady() returns true, the container
    // needs to call listener.onWritePossible() from a new thread. If
    // isReady() returns false, the socket will be registered for write and
    // the container will call listener.onWritePossible() once data can be
    // written.
    if (isReady()) {
      synchronized (nonBlockingStateLock) {
        // Ensure we don't get multiple write registrations if
        // ServletOutputStream.isReady() returns false during a call to
        // onDataAvailable()
        registeredForWrite = true;
        // Need to set the fireListener flag otherwise when the
        // container tries to trigger onWritePossible, nothing will
        // happen
        fireListener = true;
      }
      action(ActionCode.DISPATCH_WRITE, null);
      if (!ContainerThreadMarker.isContainerThread()) {
        // Not on a container thread so need to execute the dispatch
        action(ActionCode.DISPATCH_EXECUTE, null);
      }
    }
  }
コード例 #5
0
ファイル: Response.java プロジェクト: byronka/xenos
  /**
   * Send an acknowledgement of a request.
   *
   * @exception IOException if an input/output error occurs
   */
  public void sendAcknowledgement() throws IOException {

    if (isCommitted()) {
      return;
    }

    // Ignore any call from an included servlet
    if (included) {
      return;
    }

    coyoteResponse.action(ActionCode.ACK, null);
  }
コード例 #6
0
  /**
   * Flush bytes or chars contained in the buffer.
   *
   * @throws IOException An underlying IOException occurred
   */
  protected void doFlush(boolean realFlush) throws IOException {

    if (suspended) return;

    doFlush = true;
    if (initial) {
      coyoteResponse.sendHeaders();
      initial = false;
    }
    if (bb.getLength() > 0) {
      bb.flushBuffer();
    }
    doFlush = false;

    if (realFlush) {
      coyoteResponse.action(ActionCode.CLIENT_FLUSH, coyoteResponse);
      // If some exception occurred earlier, or if some IOE occurred
      // here, notify the servlet with an IOE
      if (coyoteResponse.isExceptionPresent()) {
        throw new ClientAbortException(coyoteResponse.getErrorException());
      }
    }
  }
コード例 #7
0
ファイル: CoyoteAdapter.java プロジェクト: xiaobao2110/tomcat
  /** Parse additional request parameters. */
  protected boolean postParseRequest(
      org.apache.coyote.Request req,
      Request request,
      org.apache.coyote.Response res,
      Response response)
      throws Exception {

    // XXX the processor may have set a correct scheme and port prior to this point,
    // in ajp13 protocols dont make sense to get the port from the connector...
    // otherwise, use connector configuration
    if (!req.scheme().isNull()) {
      // use processor specified scheme to determine secure state
      request.setSecure(req.scheme().equals("https"));
    } else {
      // use connector scheme and secure configuration, (defaults to
      // "http" and false respectively)
      req.scheme().setString(connector.getScheme());
      request.setSecure(connector.getSecure());
    }

    // FIXME: the code below doesnt belongs to here,
    // this is only have sense
    // in Http11, not in ajp13..
    // At this point the Host header has been processed.
    // Override if the proxyPort/proxyHost are set
    String proxyName = connector.getProxyName();
    int proxyPort = connector.getProxyPort();
    if (proxyPort != 0) {
      req.setServerPort(proxyPort);
    }
    if (proxyName != null) {
      req.serverName().setString(proxyName);
    }

    // Copy the raw URI to the decodedURI
    MessageBytes decodedURI = req.decodedURI();
    decodedURI.duplicate(req.requestURI());

    // Parse the path parameters. This will:
    //   - strip out the path parameters
    //   - convert the decodedURI to bytes
    parsePathParameters(req, request);

    // URI decoding
    // %xx decoding of the URL
    try {
      req.getURLDecoder().convert(decodedURI, false);
    } catch (IOException ioe) {
      res.setStatus(400);
      res.setMessage("Invalid URI: " + ioe.getMessage());
      connector.getService().getContainer().logAccess(request, response, 0, true);
      return false;
    }
    // Normalization
    if (!normalize(req.decodedURI())) {
      res.setStatus(400);
      res.setMessage("Invalid URI");
      connector.getService().getContainer().logAccess(request, response, 0, true);
      return false;
    }
    // Character decoding
    convertURI(decodedURI, request);
    // Check that the URI is still normalized
    if (!checkNormalize(req.decodedURI())) {
      res.setStatus(400);
      res.setMessage("Invalid URI character encoding");
      connector.getService().getContainer().logAccess(request, response, 0, true);
      return false;
    }

    // Request mapping.
    MessageBytes serverName;
    if (connector.getUseIPVHosts()) {
      serverName = req.localName();
      if (serverName.isNull()) {
        // well, they did ask for it
        res.action(ActionCode.REQ_LOCAL_NAME_ATTRIBUTE, null);
      }
    } else {
      serverName = req.serverName();
    }
    if (request.isAsyncStarted()) {
      // TODO SERVLET3 - async
      // reset mapping data, should prolly be done elsewhere
      request.getMappingData().recycle();
    }

    // Version for the second mapping loop and
    // Context that we expect to get for that version
    String version = null;
    Context versionContext = null;
    boolean mapRequired = true;

    while (mapRequired) {
      // This will map the the latest version by default
      connector.getMapper().map(serverName, decodedURI, version, request.getMappingData());
      request.setContext((Context) request.getMappingData().context);
      request.setWrapper((Wrapper) request.getMappingData().wrapper);

      // If there is no context at this point, it is likely no ROOT context
      // has been deployed
      if (request.getContext() == null) {
        res.setStatus(404);
        res.setMessage("Not found");
        // No context, so use host
        Host host = request.getHost();
        // Make sure there is a host (might not be during shutdown)
        if (host != null) {
          host.logAccess(request, response, 0, true);
        }
        return false;
      }

      // Now we have the context, we can parse the session ID from the URL
      // (if any). Need to do this before we redirect in case we need to
      // include the session id in the redirect
      String sessionID;
      if (request
          .getServletContext()
          .getEffectiveSessionTrackingModes()
          .contains(SessionTrackingMode.URL)) {

        // Get the session ID if there was one
        sessionID =
            request.getPathParameter(SessionConfig.getSessionUriParamName(request.getContext()));
        if (sessionID != null) {
          request.setRequestedSessionId(sessionID);
          request.setRequestedSessionURL(true);
        }
      }

      // Look for session ID in cookies and SSL session
      parseSessionCookiesId(req, request);
      parseSessionSslId(request);

      sessionID = request.getRequestedSessionId();

      mapRequired = false;
      if (version != null && request.getContext() == versionContext) {
        // We got the version that we asked for. That is it.
      } else {
        version = null;
        versionContext = null;

        Object[] contexts = request.getMappingData().contexts;
        // Single contextVersion means no need to remap
        // No session ID means no possibility of remap
        if (contexts != null && sessionID != null) {
          // Find the context associated with the session
          for (int i = (contexts.length); i > 0; i--) {
            Context ctxt = (Context) contexts[i - 1];
            if (ctxt.getManager().findSession(sessionID) != null) {
              // We found a context. Is it the one that has
              // already been mapped?
              if (!ctxt.equals(request.getMappingData().context)) {
                // Set version so second time through mapping
                // the correct context is found
                version = ctxt.getWebappVersion();
                versionContext = ctxt;
                // Reset mapping
                request.getMappingData().recycle();
                mapRequired = true;
              }
              break;
            }
          }
        }
      }

      if (!mapRequired && request.getContext().getPaused()) {
        // Found a matching context but it is paused. Mapping data will
        // be wrong since some Wrappers may not be registered at this
        // point.
        try {
          Thread.sleep(1000);
        } catch (InterruptedException e) {
          // Should never happen
        }
        // Reset mapping
        request.getMappingData().recycle();
        mapRequired = true;
      }
    }

    // Possible redirect
    MessageBytes redirectPathMB = request.getMappingData().redirectPath;
    if (!redirectPathMB.isNull()) {
      String redirectPath = urlEncoder.encode(redirectPathMB.toString());
      String query = request.getQueryString();
      if (request.isRequestedSessionIdFromURL()) {
        // This is not optimal, but as this is not very common, it
        // shouldn't matter
        redirectPath =
            redirectPath
                + ";"
                + SessionConfig.getSessionUriParamName(request.getContext())
                + "="
                + request.getRequestedSessionId();
      }
      if (query != null) {
        // This is not optimal, but as this is not very common, it
        // shouldn't matter
        redirectPath = redirectPath + "?" + query;
      }
      response.sendRedirect(redirectPath);
      request.getContext().logAccess(request, response, 0, true);
      return false;
    }

    // Filter trace method
    if (!connector.getAllowTrace() && req.method().equalsIgnoreCase("TRACE")) {
      Wrapper wrapper = request.getWrapper();
      String header = null;
      if (wrapper != null) {
        String[] methods = wrapper.getServletMethods();
        if (methods != null) {
          for (int i = 0; i < methods.length; i++) {
            if ("TRACE".equals(methods[i])) {
              continue;
            }
            if (header == null) {
              header = methods[i];
            } else {
              header += ", " + methods[i];
            }
          }
        }
      }
      res.setStatus(405);
      res.addHeader("Allow", header);
      res.setMessage("TRACE method is not allowed");
      request.getContext().logAccess(request, response, 0, true);
      return false;
    }

    doConnectorAuthenticationAuthorization(req, request);

    return true;
  }
コード例 #8
0
ファイル: CoyoteAdapter.java プロジェクト: xiaobao2110/tomcat
  /** Service method. */
  @Override
  public void service(org.apache.coyote.Request req, org.apache.coyote.Response res)
      throws Exception {

    Request request = (Request) req.getNote(ADAPTER_NOTES);
    Response response = (Response) res.getNote(ADAPTER_NOTES);

    if (request == null) {

      // Create objects
      request = connector.createRequest();
      request.setCoyoteRequest(req);
      response = connector.createResponse();
      response.setCoyoteResponse(res);

      // Link objects
      request.setResponse(response);
      response.setRequest(request);

      // Set as notes
      req.setNote(ADAPTER_NOTES, request);
      res.setNote(ADAPTER_NOTES, response);

      // Set query string encoding
      req.getParameters().setQueryStringEncoding(connector.getURIEncoding());
    }

    if (connector.getXpoweredBy()) {
      response.addHeader("X-Powered-By", POWERED_BY);
    }

    boolean comet = false;
    boolean async = false;

    try {

      // Parse and set Catalina and configuration specific
      // request parameters
      req.getRequestProcessor().setWorkerThreadName(Thread.currentThread().getName());
      boolean postParseSuccess = postParseRequest(req, request, res, response);
      if (postParseSuccess) {
        // check valves if we support async
        request.setAsyncSupported(
            connector.getService().getContainer().getPipeline().isAsyncSupported());
        // Calling the container
        connector.getService().getContainer().getPipeline().getFirst().invoke(request, response);

        if (request.isComet()) {
          if (!response.isClosed() && !response.isError()) {
            if (request.getAvailable()
                || (request.getContentLength() > 0 && (!request.isParametersParsed()))) {
              // Invoke a read event right away if there are available bytes
              if (event(req, res, SocketStatus.OPEN_READ)) {
                comet = true;
                res.action(ActionCode.COMET_BEGIN, null);
              }
            } else {
              comet = true;
              res.action(ActionCode.COMET_BEGIN, null);
            }
          } else {
            // Clear the filter chain, as otherwise it will not be reset elsewhere
            // since this is a Comet request
            request.setFilterChain(null);
          }
        }
      }
      AsyncContextImpl asyncConImpl = (AsyncContextImpl) request.getAsyncContext();
      if (asyncConImpl != null) {
        async = true;
      } else if (!comet) {
        request.finishRequest();
        response.finishResponse();
        if (postParseSuccess && request.getMappingData().context != null) {
          // Log only if processing was invoked.
          // If postParseRequest() failed, it has already logged it.
          // If context is null this was the start of a comet request
          // that failed and has already been logged.
          ((Context) request.getMappingData().context)
              .logAccess(request, response, System.currentTimeMillis() - req.getStartTime(), false);
        }
        req.action(ActionCode.POST_REQUEST, null);
      }

    } catch (IOException e) {
      // Ignore
    } finally {
      req.getRequestProcessor().setWorkerThreadName(null);
      AtomicBoolean error = new AtomicBoolean(false);
      res.action(ActionCode.IS_ERROR, error);
      // Recycle the wrapper request and response
      if (!comet && !async || error.get()) {
        request.recycle();
        response.recycle();
      } else {
        // Clear converters so that the minimum amount of memory
        // is used by this processor
        request.clearEncoders();
        response.clearEncoders();
      }
    }
  }
コード例 #9
0
ファイル: CoyoteAdapter.java プロジェクト: xiaobao2110/tomcat
  @Override
  public boolean asyncDispatch(
      org.apache.coyote.Request req, org.apache.coyote.Response res, SocketStatus status)
      throws Exception {
    Request request = (Request) req.getNote(ADAPTER_NOTES);
    Response response = (Response) res.getNote(ADAPTER_NOTES);

    if (request == null) {
      throw new IllegalStateException("Dispatch may only happen on an existing request.");
    }
    boolean comet = false;
    boolean success = true;
    AsyncContextImpl asyncConImpl = (AsyncContextImpl) request.getAsyncContext();
    req.getRequestProcessor().setWorkerThreadName(Thread.currentThread().getName());
    try {
      if (!request.isAsync() && !comet) {
        // Error or timeout - need to tell listeners the request is over
        // Have to test this first since state may change while in this
        // method and this is only required if entering this method in
        // this state
        Context ctxt = (Context) request.getMappingData().context;
        if (ctxt != null) {
          ctxt.fireRequestDestroyEvent(request);
        }
        // Lift any suspension (e.g. if sendError() was used by an async
        // request) to allow the response to be written to the client
        response.setSuspended(false);
      }

      if (status == SocketStatus.TIMEOUT) {
        if (!asyncConImpl.timeout()) {
          asyncConImpl.setErrorState(null, false);
        }
      }
      // Has an error occurred during async processing that needs to be
      // processed by the application's error page mechanism (or Tomcat's
      // if the application doesn't define one)?
      if (!request.isAsyncDispatching() && request.isAsync() && response.isErrorReportRequired()) {
        connector.getService().getContainer().getPipeline().getFirst().invoke(request, response);
      }

      if (request.isAsyncDispatching()) {
        connector.getService().getContainer().getPipeline().getFirst().invoke(request, response);
        Throwable t = (Throwable) request.getAttribute(RequestDispatcher.ERROR_EXCEPTION);
        if (t != null) {
          asyncConImpl.setErrorState(t, true);
        }
      }

      if (request.isComet()) {
        if (!response.isClosed() && !response.isError()) {
          if (request.getAvailable()
              || (request.getContentLength() > 0 && (!request.isParametersParsed()))) {
            // Invoke a read event right away if there are available bytes
            if (event(req, res, SocketStatus.OPEN_READ)) {
              comet = true;
              res.action(ActionCode.COMET_BEGIN, null);
            }
          } else {
            comet = true;
            res.action(ActionCode.COMET_BEGIN, null);
          }
        } else {
          // Clear the filter chain, as otherwise it will not be reset elsewhere
          // since this is a Comet request
          request.setFilterChain(null);
        }
      }
      if (!request.isAsync() && !comet) {
        request.finishRequest();
        response.finishResponse();
        req.action(ActionCode.POST_REQUEST, null);
        ((Context) request.getMappingData().context)
            .logAccess(request, response, System.currentTimeMillis() - req.getStartTime(), false);
      }

      // Check to see if the processor is in an error state. If it is,
      // bail out now.
      AtomicBoolean error = new AtomicBoolean(false);
      res.action(ActionCode.IS_ERROR, error);
      if (error.get()) {
        success = false;
      }
    } catch (IOException e) {
      success = false;
      // Ignore
    } catch (Throwable t) {
      ExceptionUtils.handleThrowable(t);
      success = false;
      log.error(sm.getString("coyoteAdapter.service"), t);
    } finally {
      req.getRequestProcessor().setWorkerThreadName(null);
      // Recycle the wrapper request and response
      if (!success || (!comet && !request.isAsync())) {
        request.recycle();
        response.recycle();
      } else {
        // Clear converters so that the minimum amount of memory
        // is used by this processor
        request.clearEncoders();
        response.clearEncoders();
      }
    }
    return success;
  }
コード例 #10
0
ファイル: CoyoteAdapter.java プロジェクト: xiaobao2110/tomcat
  /**
   * Event method.
   *
   * @return false to indicate an error, expected or not
   */
  @Override
  public boolean event(
      org.apache.coyote.Request req, org.apache.coyote.Response res, SocketStatus status) {

    Request request = (Request) req.getNote(ADAPTER_NOTES);
    Response response = (Response) res.getNote(ADAPTER_NOTES);

    if (request.getWrapper() == null) {
      return false;
    }

    boolean error = false;
    boolean read = false;
    try {
      if (status == SocketStatus.OPEN_READ) {
        if (response.isClosed()) {
          // The event has been closed asynchronously, so call end instead of
          // read to cleanup the pipeline
          request.getEvent().setEventType(CometEvent.EventType.END);
          request.getEvent().setEventSubType(null);
        } else {
          try {
            // Fill the read buffer of the servlet layer
            if (request.read()) {
              read = true;
            }
          } catch (IOException e) {
            error = true;
          }
          if (read) {
            request.getEvent().setEventType(CometEvent.EventType.READ);
            request.getEvent().setEventSubType(null);
          } else if (error) {
            request.getEvent().setEventType(CometEvent.EventType.ERROR);
            request.getEvent().setEventSubType(CometEvent.EventSubType.CLIENT_DISCONNECT);
          } else {
            request.getEvent().setEventType(CometEvent.EventType.END);
            request.getEvent().setEventSubType(null);
          }
        }
      } else if (status == SocketStatus.DISCONNECT) {
        request.getEvent().setEventType(CometEvent.EventType.ERROR);
        request.getEvent().setEventSubType(CometEvent.EventSubType.CLIENT_DISCONNECT);
        error = true;
      } else if (status == SocketStatus.ERROR) {
        request.getEvent().setEventType(CometEvent.EventType.ERROR);
        request.getEvent().setEventSubType(CometEvent.EventSubType.IOEXCEPTION);
        error = true;
      } else if (status == SocketStatus.STOP) {
        request.getEvent().setEventType(CometEvent.EventType.END);
        request.getEvent().setEventSubType(CometEvent.EventSubType.SERVER_SHUTDOWN);
      } else if (status == SocketStatus.TIMEOUT) {
        if (response.isClosed()) {
          // The event has been closed asynchronously, so call end instead of
          // read to cleanup the pipeline
          request.getEvent().setEventType(CometEvent.EventType.END);
          request.getEvent().setEventSubType(null);
        } else {
          request.getEvent().setEventType(CometEvent.EventType.ERROR);
          request.getEvent().setEventSubType(CometEvent.EventSubType.TIMEOUT);
        }
      }

      req.getRequestProcessor().setWorkerThreadName(Thread.currentThread().getName());

      // Calling the container
      connector
          .getService()
          .getContainer()
          .getPipeline()
          .getFirst()
          .event(request, response, request.getEvent());

      if (!error
          && !response.isClosed()
          && (request.getAttribute(RequestDispatcher.ERROR_EXCEPTION) != null)) {
        // An unexpected exception occurred while processing the event, so
        // error should be called
        request.getEvent().setEventType(CometEvent.EventType.ERROR);
        request.getEvent().setEventSubType(null);
        error = true;
        connector
            .getService()
            .getContainer()
            .getPipeline()
            .getFirst()
            .event(request, response, request.getEvent());
      }
      if (response.isClosed() || !request.isComet()) {
        if (status == SocketStatus.OPEN_READ
            && request.getEvent().getEventType() != EventType.END) {
          // CometEvent.close was called during an event other than END
          request.getEvent().setEventType(CometEvent.EventType.END);
          request.getEvent().setEventSubType(null);
          error = true;
          connector
              .getService()
              .getContainer()
              .getPipeline()
              .getFirst()
              .event(request, response, request.getEvent());
        }
        res.action(ActionCode.COMET_END, null);
      } else if (!error && read && request.getAvailable()) {
        // If this was a read and not all bytes have been read, or if no data
        // was read from the connector, then it is an error
        request.getEvent().setEventType(CometEvent.EventType.ERROR);
        request.getEvent().setEventSubType(CometEvent.EventSubType.IOEXCEPTION);
        error = true;
        connector
            .getService()
            .getContainer()
            .getPipeline()
            .getFirst()
            .event(request, response, request.getEvent());
      }
      return (!error);
    } catch (Throwable t) {
      ExceptionUtils.handleThrowable(t);
      if (!(t instanceof IOException)) {
        log.error(sm.getString("coyoteAdapter.service"), t);
      }
      error = true;
      return false;
    } finally {
      req.getRequestProcessor().setWorkerThreadName(null);
      // Recycle the wrapper request and response
      if (error || response.isClosed() || !request.isComet()) {
        ((Context) request.getMappingData().context)
            .logAccess(request, response, System.currentTimeMillis() - req.getStartTime(), false);
        request.recycle();
        request.setFilterChain(null);
        response.recycle();
      }
    }
  }
コード例 #11
0
ファイル: Response.java プロジェクト: duxingzhe311/tomcat
 /**
  * Bytes written to socket - i.e. after compression, chunking, etc.
  *
  * @param flush Should any remaining bytes be flushed before returning the total? If {@code false}
  *     bytes remaining in the buffer will not be included in the returned value
  * @return The total number of bytes written to the socket for this response
  */
 public long getBytesWritten(boolean flush) {
   if (flush) {
     action(ActionCode.CLIENT_FLUSH, this);
   }
   return outputBuffer.getBytesWritten();
 }
コード例 #12
0
ファイル: Response.java プロジェクト: duxingzhe311/tomcat
 /**
  * Signal that we're done with the headers, and body will follow. Any implementation needs to
  * notify ContextManager, to allow interceptors to fix headers.
  */
 public void sendHeaders() {
   action(ActionCode.COMMIT, this);
   setCommitted(true);
 }
コード例 #13
0
 /**
  * Signal that we're done with the headers, and body will follow. Any implementation needs to
  * notify ContextManager, to allow interceptors to fix headers.
  */
 public void sendHeaders() throws IOException {
   action(ActionCode.ACTION_COMMIT, this);
   commited = true;
 }
コード例 #14
0
 public void acknowledge() throws IOException {
   action(ActionCode.ACTION_ACK, this);
 }
コード例 #15
0
 public void finish() throws IOException {
   action(ActionCode.ACTION_CLOSE, this);
 }