@Override
  public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
    WebResourceResponse response = super.shouldInterceptRequest(view, url);

    // Already intercepted (e.g. if url is not whitelisted)
    if (response != null) {
      return response;
    }

    // Not a localhost request
    Uri origUri = Uri.parse(url);
    String host = origUri.getHost();
    if (host == null || !host.equals("localhost")) {
      return null;
    }

    // Localhost request
    try {
      String localPath = WWW_DIR + origUri.getPath();
      // Trying to access file outside assets/www
      if (!isFileUnder(localPath, WWW_DIR)) {
        throw new IOException("Trying to access file outside assets/www");
      } else {
        Uri localUri = Uri.parse("file://" + localPath);
        CordovaResourceApi resourceApi = cordovaWebView.getResourceApi();
        OpenForReadResult result = resourceApi.openForRead(localUri, true);
        Log.i(
            "SalesforceIceCreamWebViewClient.shouldInterceptRequest",
            "Loading local file:" + localUri);
        return new WebResourceResponse(result.mimeType, "UTF-8", result.inputStream);
      }

    } catch (IOException e) {
      Log.e(
          "SalesforceIceCreamWebViewClient.shouldInterceptRequest",
          "Invalid localhost url:" + url,
          e);
      return new WebResourceResponse("text/plain", "UTF-8", null);
    }
  }
示例#2
0
  /**
   * Load the specified URL in the Cordova webview or a new browser instance.
   *
   * <p>NOTE: If openExternal is false, only URLs listed in whitelist can be loaded.
   *
   * @param url The url to load.
   * @param openExternal Load url in browser instead of Cordova webview.
   * @param clearHistory Clear the history stack, so new page becomes top of history
   * @param params Parameters for new app
   */
  public void showWebPage(
      String url, boolean openExternal, boolean clearHistory, HashMap<String, Object> params) {
    LOG.d(TAG, "showWebPage(%s, %b, %b, HashMap", url, openExternal, clearHistory);

    // If clearing history
    if (clearHistory) {
      this.clearHistory();
    }

    // If loading into our webview
    if (!openExternal) {

      // Make sure url is in whitelist
      if (url.startsWith("file://") || internalWhitelist.isUrlWhiteListed(url)) {
        // TODO: What about params?
        // Load new URL
        loadUrlIntoView(url, true);
        return;
      }
      // Load in default viewer if not
      LOG.w(
          TAG,
          "showWebPage: Cannot load URL into webview since it is not in white list.  Loading into browser instead. (URL="
              + url
              + ")");
    }
    try {
      // Omitting the MIME type for file: URLs causes "No Activity found to handle Intent".
      // Adding the MIME type to http: URLs causes them to not be handled by the downloader.
      Intent intent = new Intent(Intent.ACTION_VIEW);
      Uri uri = Uri.parse(url);
      if ("file".equals(uri.getScheme())) {
        intent.setDataAndType(uri, resourceApi.getMimeType(uri));
      } else {
        intent.setData(uri);
      }
      cordova.getActivity().startActivity(intent);
    } catch (android.content.ActivityNotFoundException e) {
      LOG.e(TAG, "Error loading url " + url, e);
    }
  }
  /**
   * Downloads a file form a given URL and saves it to the specified directory.
   *
   * @param source URL of the server to receive the file
   * @param target Full path of the file on the file system
   */
  private void download(
      final String source, final String target, JSONArray args, CallbackContext callbackContext)
      throws JSONException {
    Log.d(LOG_TAG, "download " + source + " to " + target);

    final CordovaResourceApi resourceApi = webView.getResourceApi();

    final boolean trustEveryone = args.optBoolean(2);
    final String objectId = args.getString(3);
    final JSONObject options = args.getJSONObject(4);
    final JSONObject headers = options.getJSONObject("headers");

    final Uri sourceUri = resourceApi.remapUri(Uri.parse(source));
    // Accept a path or a URI for the source.
    Uri tmpTarget = Uri.parse(target);
    final Uri targetUri =
        resourceApi.remapUri(
            tmpTarget.getScheme() != null ? tmpTarget : Uri.fromFile(new File(target)));

    int uriType = CordovaResourceApi.getUriType(sourceUri);
    final boolean useHttps = uriType == CordovaResourceApi.URI_TYPE_HTTPS;
    final boolean isLocalTransfer = !useHttps && uriType != CordovaResourceApi.URI_TYPE_HTTP;
    if (uriType == CordovaResourceApi.URI_TYPE_UNKNOWN) {
      JSONObject error = createFileTransferError(INVALID_URL_ERR, source, target, null, 0, null);
      Log.e(LOG_TAG, "Unsupported URI: " + sourceUri);
      callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
      return;
    }

    /* This code exists for compatibility between 3.x and 4.x versions of Cordova.
     * Previously the CordovaWebView class had a method, getWhitelist, which would
     * return a Whitelist object. Since the fixed whitelist is removed in Cordova 4.x,
     * the correct call now is to shouldAllowRequest from the plugin manager.
     */
    Boolean shouldAllowRequest = null;
    if (isLocalTransfer) {
      shouldAllowRequest = true;
    }
    if (shouldAllowRequest == null) {
      try {
        Method gwl = webView.getClass().getMethod("getWhitelist");
        Whitelist whitelist = (Whitelist) gwl.invoke(webView);
        shouldAllowRequest = whitelist.isUrlWhiteListed(source);
      } catch (NoSuchMethodException e) {
      } catch (IllegalAccessException e) {
      } catch (InvocationTargetException e) {
      }
    }
    if (shouldAllowRequest == null) {
      try {
        Method gpm = webView.getClass().getMethod("getPluginManager");
        PluginManager pm = (PluginManager) gpm.invoke(webView);
        Method san = pm.getClass().getMethod("shouldAllowRequest", String.class);
        shouldAllowRequest = (Boolean) san.invoke(pm, source);
      } catch (NoSuchMethodException e) {
      } catch (IllegalAccessException e) {
      } catch (InvocationTargetException e) {
      }
    }

    if (!Boolean.TRUE.equals(shouldAllowRequest)) {
      Log.w(LOG_TAG, "Source URL is not in white list: '" + source + "'");
      JSONObject error = createFileTransferError(CONNECTION_ERR, source, target, null, 401, null);
      callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
      return;
    }

    final RequestContext context = new RequestContext(source, target, callbackContext);
    synchronized (activeRequests) {
      activeRequests.put(objectId, context);
    }

    cordova
        .getThreadPool()
        .execute(
            new Runnable() {
              public void run() {
                if (context.aborted) {
                  return;
                }
                HttpURLConnection connection = null;
                HostnameVerifier oldHostnameVerifier = null;
                SSLSocketFactory oldSocketFactory = null;
                File file = null;
                Long downloaded = 0L;
                PluginResult result = null;
                TrackingInputStream inputStream = null;
                boolean cached = false;

                OutputStream outputStream = null;
                try {
                  OpenForReadResult readResult = null;

                  file = resourceApi.mapUriToFile(targetUri);
                  context.targetFile = file;

                  Log.d(LOG_TAG, "Download file:" + sourceUri);

                  FileProgressResult progress = new FileProgressResult();

                  if (isLocalTransfer) {
                    readResult = resourceApi.openForRead(sourceUri);
                    if (readResult.length != -1) {
                      progress.setLengthComputable(true);
                      progress.setTotal(readResult.length);
                    } else {
                      progress.setLengthComputable(false);
                      progress.setTotal(-1);
                    }
                    inputStream = new SimpleTrackingInputStream(readResult.inputStream);
                  } else {
                    // connect to server
                    // Open a HTTP connection to the URL based on protocol
                    connection = resourceApi.createHttpConnection(sourceUri);
                    if (useHttps && trustEveryone) {
                      // Setup the HTTPS connection class to trust everyone
                      HttpsURLConnection https = (HttpsURLConnection) connection;
                      oldSocketFactory = trustAllHosts(https);
                      // Save the current hostnameVerifier
                      oldHostnameVerifier = https.getHostnameVerifier();
                      // Setup the connection not to verify hostnames
                      https.setHostnameVerifier(DO_NOT_VERIFY);
                    }

                    connection.setRequestMethod("GET");

                    // TODO: Make OkHttp use this CookieManager by default.
                    String cookie = getCookies(sourceUri.toString());

                    if (cookie != null) {
                      connection.setRequestProperty("cookie", cookie);
                    }

                    // This must be explicitly set for gzip progress tracking to work.
                    connection.setRequestProperty("Accept-Encoding", "gzip");

                    // Handle the other headers
                    if (headers != null) {
                      addHeadersToRequest(connection, headers);
                    }

                    if (options.getBoolean("resume") && file.exists()) {
                      downloaded = file.length();
                      connection.setRequestProperty("Range", "bytes=" + downloaded + "-");
                    }

                    connection.connect();
                    if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED) {
                      cached = true;
                      connection.disconnect();
                      Log.d(LOG_TAG, "Resource not modified: " + source);
                      JSONObject error =
                          createFileTransferError(
                              NOT_MODIFIED_ERR, source, target, connection, null);
                      result = new PluginResult(PluginResult.Status.ERROR, error);
                    } else {
                      if (connection.getContentEncoding() == null
                          || connection.getContentEncoding().equalsIgnoreCase("gzip")) {
                        // Only trust content-length header if we understand
                        // the encoding -- identity or gzip
                        if (connection.getContentLength() != -1) {
                          progress.setLengthComputable(true);
                          progress.setTotal(connection.getContentLength() + downloaded);
                        } else {
                          progress.setLengthComputable(false);
                          progress.setTotal(-1);
                        }
                      }
                      inputStream = getInputStream(connection);
                    }
                  }

                  if (!cached) {
                    try {
                      synchronized (context) {
                        if (context.aborted) {
                          return;
                        }
                        context.connection = connection;
                      }

                      // write bytes to file
                      byte[] buffer = new byte[MAX_BUFFER_SIZE];
                      int bytesRead = 0;
                      boolean append = downloaded > 0;
                      outputStream = resourceApi.openOutputStream(targetUri, append);
                      while ((bytesRead = inputStream.read(buffer)) > 0) {
                        outputStream.write(buffer, 0, bytesRead);
                        // Send a progress event.
                        progress.setLoaded(inputStream.getTotalRawBytesRead() + downloaded);
                        PluginResult progressResult =
                            new PluginResult(PluginResult.Status.OK, progress.toJSONObject());
                        progressResult.setKeepCallback(true);
                        context.sendPluginResult(progressResult);
                      }
                    } catch (IOException e) {
                      outputStream.flush();
                    } finally {
                      synchronized (context) {
                        context.connection = null;
                      }
                      safeClose(inputStream);
                      safeClose(outputStream);
                    }

                    Log.d(LOG_TAG, "Saved file: " + target);

                    // create FileEntry object
                    Class webViewClass = webView.getClass();
                    PluginManager pm = null;
                    try {
                      Method gpm = webViewClass.getMethod("getPluginManager");
                      pm = (PluginManager) gpm.invoke(webView);
                    } catch (NoSuchMethodException e) {
                    } catch (IllegalAccessException e) {
                    } catch (InvocationTargetException e) {
                    }
                    if (pm == null) {
                      try {
                        Field pmf = webViewClass.getField("pluginManager");
                        pm = (PluginManager) pmf.get(webView);
                      } catch (NoSuchFieldException e) {
                      } catch (IllegalAccessException e) {
                      }
                    }
                    file = resourceApi.mapUriToFile(targetUri);
                    context.targetFile = file;
                    FileUtils filePlugin = (FileUtils) pm.getPlugin("File");
                    if (filePlugin != null) {
                      JSONObject fileEntry = filePlugin.getEntryForFile(file);
                      if (fileEntry != null) {
                        result = new PluginResult(PluginResult.Status.OK, fileEntry);
                      } else {
                        JSONObject error =
                            createFileTransferError(
                                CONNECTION_ERR, source, target, connection, null);
                        Log.e(LOG_TAG, "File plugin cannot represent download path");
                        result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
                      }
                    } else {
                      Log.e(LOG_TAG, "File plugin not found; cannot save downloaded file");
                      result =
                          new PluginResult(
                              PluginResult.Status.ERROR,
                              "File plugin not found; cannot save downloaded file");
                    }
                  }
                } catch (FileNotFoundException e) {
                  JSONObject error =
                      createFileTransferError(FILE_NOT_FOUND_ERR, source, target, connection, e);
                  Log.e(LOG_TAG, error.toString(), e);
                  result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
                } catch (IOException e) {
                  JSONObject error =
                      createFileTransferError(CONNECTION_ERR, source, target, connection, e);
                  Log.e(LOG_TAG, error.toString(), e);
                  result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
                } catch (JSONException e) {
                  Log.e(LOG_TAG, e.getMessage(), e);
                  result = new PluginResult(PluginResult.Status.JSON_EXCEPTION);
                } catch (Throwable e) {
                  JSONObject error =
                      createFileTransferError(CONNECTION_ERR, source, target, connection, e);
                  Log.e(LOG_TAG, error.toString(), e);
                  result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
                } finally {
                  synchronized (activeRequests) {
                    activeRequests.remove(objectId);
                  }

                  if (connection != null) {
                    // Revert back to the proper verifier and socket factories
                    if (trustEveryone && useHttps) {
                      HttpsURLConnection https = (HttpsURLConnection) connection;
                      https.setHostnameVerifier(oldHostnameVerifier);
                      https.setSSLSocketFactory(oldSocketFactory);
                    }
                  }

                  if (result == null) {
                    result =
                        new PluginResult(
                            PluginResult.Status.ERROR,
                            createFileTransferError(
                                CONNECTION_ERR, source, target, connection, null));
                  }
                  // Remove incomplete download.
                  if (!cached
                      && result.getStatus() != PluginResult.Status.OK.ordinal()
                      && file != null) {
                    file.delete();
                  }
                  context.sendPluginResult(result);
                }
              }
            });
  }
  /**
   * Uploads the specified file to the server URL provided using an HTTP multipart request.
   *
   * @param source Full path of the file on the file system
   * @param target URL of the server to receive the file
   * @param args JSON Array of args
   * @param callbackContext callback id for optional progress reports
   *     <p>args[2] fileKey Name of file request parameter args[3] fileName File name to be used on
   *     server args[4] mimeType Describes file content type args[5] params key:value pairs of
   *     user-defined parameters
   * @return FileUploadResult containing result of upload request
   */
  private void upload(
      final String source, final String target, JSONArray args, CallbackContext callbackContext)
      throws JSONException {
    Log.d(LOG_TAG, "upload " + source + " to " + target);

    // Setup the options
    final String fileKey = getArgument(args, 2, "file");
    final String fileName = getArgument(args, 3, "image.jpg");
    final String mimeType = getArgument(args, 4, "image/jpeg");
    final JSONObject params =
        args.optJSONObject(5) == null ? new JSONObject() : args.optJSONObject(5);
    final boolean trustEveryone = args.optBoolean(6);
    // Always use chunked mode unless set to false as per API
    final boolean chunkedMode = args.optBoolean(7) || args.isNull(7);
    // Look for headers on the params map for backwards compatibility with older Cordova versions.
    final JSONObject headers =
        args.optJSONObject(8) == null ? params.optJSONObject("headers") : args.optJSONObject(8);
    final String objectId = args.getString(9);
    final String httpMethod = getArgument(args, 10, "POST");

    final CordovaResourceApi resourceApi = webView.getResourceApi();

    Log.d(LOG_TAG, "fileKey: " + fileKey);
    Log.d(LOG_TAG, "fileName: " + fileName);
    Log.d(LOG_TAG, "mimeType: " + mimeType);
    Log.d(LOG_TAG, "params: " + params);
    Log.d(LOG_TAG, "trustEveryone: " + trustEveryone);
    Log.d(LOG_TAG, "chunkedMode: " + chunkedMode);
    Log.d(LOG_TAG, "headers: " + headers);
    Log.d(LOG_TAG, "objectId: " + objectId);
    Log.d(LOG_TAG, "httpMethod: " + httpMethod);

    final Uri targetUri = resourceApi.remapUri(Uri.parse(target));
    // Accept a path or a URI for the source.
    Uri tmpSrc = Uri.parse(source);
    final Uri sourceUri =
        resourceApi.remapUri(tmpSrc.getScheme() != null ? tmpSrc : Uri.fromFile(new File(source)));

    int uriType = CordovaResourceApi.getUriType(targetUri);
    final boolean useHttps = uriType == CordovaResourceApi.URI_TYPE_HTTPS;
    if (uriType != CordovaResourceApi.URI_TYPE_HTTP && !useHttps) {
      JSONObject error = createFileTransferError(INVALID_URL_ERR, source, target, null, 0, null);
      Log.e(LOG_TAG, "Unsupported URI: " + targetUri);
      callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
      return;
    }

    final RequestContext context = new RequestContext(source, target, callbackContext);
    synchronized (activeRequests) {
      activeRequests.put(objectId, context);
    }

    cordova
        .getThreadPool()
        .execute(
            new Runnable() {
              public void run() {
                if (context.aborted) {
                  return;
                }
                HttpURLConnection conn = null;
                HostnameVerifier oldHostnameVerifier = null;
                SSLSocketFactory oldSocketFactory = null;
                int totalBytes = 0;
                int fixedLength = -1;
                try {
                  // Create return object
                  FileUploadResult result = new FileUploadResult();
                  FileProgressResult progress = new FileProgressResult();

                  // ------------------ CLIENT REQUEST
                  // Open a HTTP connection to the URL based on protocol
                  conn = resourceApi.createHttpConnection(targetUri);
                  if (useHttps && trustEveryone) {
                    // Setup the HTTPS connection class to trust everyone
                    HttpsURLConnection https = (HttpsURLConnection) conn;
                    oldSocketFactory = trustAllHosts(https);
                    // Save the current hostnameVerifier
                    oldHostnameVerifier = https.getHostnameVerifier();
                    // Setup the connection not to verify hostnames
                    https.setHostnameVerifier(DO_NOT_VERIFY);
                  }

                  // Allow Inputs
                  conn.setDoInput(true);

                  // Allow Outputs
                  conn.setDoOutput(true);

                  // Don't use a cached copy.
                  conn.setUseCaches(false);

                  // Use a post method.
                  conn.setRequestMethod(httpMethod);

                  // if we specified a Content-Type header, don't do multipart form upload
                  boolean multipartFormUpload = (headers == null) || !headers.has("Content-Type");
                  if (multipartFormUpload) {
                    conn.setRequestProperty(
                        "Content-Type", "multipart/form-data; boundary=" + BOUNDARY);
                  }

                  // Set the cookies on the response
                  String cookie = getCookies(target);

                  if (cookie != null) {
                    conn.setRequestProperty("Cookie", cookie);
                  }

                  // Handle the other headers
                  if (headers != null) {
                    addHeadersToRequest(conn, headers);
                  }

                  /*
                   * Store the non-file portions of the multipart data as a string, so that we can add it
                   * to the contentSize, since it is part of the body of the HTTP request.
                   */
                  StringBuilder beforeData = new StringBuilder();
                  try {
                    for (Iterator<?> iter = params.keys(); iter.hasNext(); ) {
                      Object key = iter.next();
                      if (!String.valueOf(key).equals("headers")) {
                        beforeData.append(LINE_START).append(BOUNDARY).append(LINE_END);
                        beforeData
                            .append("Content-Disposition: form-data; name=\"")
                            .append(key.toString())
                            .append('"');
                        beforeData.append(LINE_END).append(LINE_END);
                        beforeData.append(params.getString(key.toString()));
                        beforeData.append(LINE_END);
                      }
                    }
                  } catch (JSONException e) {
                    Log.e(LOG_TAG, e.getMessage(), e);
                  }

                  beforeData.append(LINE_START).append(BOUNDARY).append(LINE_END);
                  beforeData
                      .append("Content-Disposition: form-data; name=\"")
                      .append(fileKey)
                      .append("\";");
                  beforeData.append(" filename=\"").append(fileName).append('"').append(LINE_END);
                  beforeData
                      .append("Content-Type: ")
                      .append(mimeType)
                      .append(LINE_END)
                      .append(LINE_END);
                  byte[] beforeDataBytes = beforeData.toString().getBytes("UTF-8");
                  byte[] tailParamsBytes =
                      (LINE_END + LINE_START + BOUNDARY + LINE_START + LINE_END).getBytes("UTF-8");

                  // Get a input stream of the file on the phone
                  OpenForReadResult readResult = resourceApi.openForRead(sourceUri);

                  int stringLength = beforeDataBytes.length + tailParamsBytes.length;
                  if (readResult.length >= 0) {
                    fixedLength = (int) readResult.length;
                    if (multipartFormUpload) fixedLength += stringLength;
                    progress.setLengthComputable(true);
                    progress.setTotal(fixedLength);
                  }
                  Log.d(LOG_TAG, "Content Length: " + fixedLength);
                  // setFixedLengthStreamingMode causes and OutOfMemoryException on pre-Froyo
                  // devices.
                  // http://code.google.com/p/android/issues/detail?id=3164
                  // It also causes OOM if HTTPS is used, even on newer devices.
                  boolean useChunkedMode =
                      chunkedMode
                          && (Build.VERSION.SDK_INT < Build.VERSION_CODES.FROYO || useHttps);
                  useChunkedMode = useChunkedMode || (fixedLength == -1);

                  if (useChunkedMode) {
                    conn.setChunkedStreamingMode(MAX_BUFFER_SIZE);
                    // Although setChunkedStreamingMode sets this header, setting it explicitly here
                    // works
                    // around an OutOfMemoryException when using https.
                    conn.setRequestProperty("Transfer-Encoding", "chunked");
                  } else {
                    conn.setFixedLengthStreamingMode(fixedLength);
                  }

                  conn.connect();

                  OutputStream sendStream = null;
                  try {
                    sendStream = conn.getOutputStream();
                    synchronized (context) {
                      if (context.aborted) {
                        return;
                      }
                      context.connection = conn;
                    }

                    if (multipartFormUpload) {
                      // We don't want to change encoding, we just want this to write for all
                      // Unicode.
                      sendStream.write(beforeDataBytes);
                      totalBytes += beforeDataBytes.length;
                    }

                    // create a buffer of maximum size
                    int bytesAvailable = readResult.inputStream.available();
                    int bufferSize = Math.min(bytesAvailable, MAX_BUFFER_SIZE);
                    byte[] buffer = new byte[bufferSize];

                    // read file and write it into form...
                    int bytesRead = readResult.inputStream.read(buffer, 0, bufferSize);

                    long prevBytesRead = 0;
                    while (bytesRead > 0) {
                      totalBytes += bytesRead;
                      result.setBytesSent(totalBytes);
                      sendStream.write(buffer, 0, bytesRead);
                      if (totalBytes > prevBytesRead + 102400) {
                        prevBytesRead = totalBytes;
                        Log.d(LOG_TAG, "Uploaded " + totalBytes + " of " + fixedLength + " bytes");
                      }
                      bytesAvailable = readResult.inputStream.available();
                      bufferSize = Math.min(bytesAvailable, MAX_BUFFER_SIZE);
                      bytesRead = readResult.inputStream.read(buffer, 0, bufferSize);

                      // Send a progress event.
                      progress.setLoaded(totalBytes);
                      PluginResult progressResult =
                          new PluginResult(PluginResult.Status.OK, progress.toJSONObject());
                      progressResult.setKeepCallback(true);
                      context.sendPluginResult(progressResult);
                    }

                    if (multipartFormUpload) {
                      // send multipart form data necessary after file data...
                      sendStream.write(tailParamsBytes);
                      totalBytes += tailParamsBytes.length;
                    }
                    sendStream.flush();
                  } finally {
                    safeClose(readResult.inputStream);
                    safeClose(sendStream);
                  }
                  synchronized (context) {
                    context.connection = null;
                  }
                  Log.d(LOG_TAG, "Sent " + totalBytes + " of " + fixedLength);

                  // ------------------ read the SERVER RESPONSE
                  String responseString;
                  int responseCode = conn.getResponseCode();
                  Log.d(LOG_TAG, "response code: " + responseCode);
                  Log.d(LOG_TAG, "response headers: " + conn.getHeaderFields());
                  TrackingInputStream inStream = null;
                  try {
                    inStream = getInputStream(conn);
                    synchronized (context) {
                      if (context.aborted) {
                        return;
                      }
                      context.connection = conn;
                    }

                    ByteArrayOutputStream out =
                        new ByteArrayOutputStream(Math.max(1024, conn.getContentLength()));
                    byte[] buffer = new byte[1024];
                    int bytesRead = 0;
                    // write bytes to file
                    while ((bytesRead = inStream.read(buffer)) > 0) {
                      out.write(buffer, 0, bytesRead);
                    }
                    responseString = out.toString("UTF-8");
                  } finally {
                    synchronized (context) {
                      context.connection = null;
                    }
                    safeClose(inStream);
                  }

                  Log.d(LOG_TAG, "got response from server");
                  Log.d(
                      LOG_TAG, responseString.substring(0, Math.min(256, responseString.length())));

                  // send request and retrieve response
                  result.setResponseCode(responseCode);
                  result.setResponse(responseString);

                  context.sendPluginResult(
                      new PluginResult(PluginResult.Status.OK, result.toJSONObject()));
                } catch (FileNotFoundException e) {
                  JSONObject error =
                      createFileTransferError(FILE_NOT_FOUND_ERR, source, target, conn, e);
                  Log.e(LOG_TAG, error.toString(), e);
                  context.sendPluginResult(
                      new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
                } catch (IOException e) {
                  JSONObject error =
                      createFileTransferError(CONNECTION_ERR, source, target, conn, e);
                  Log.e(LOG_TAG, error.toString(), e);
                  Log.e(
                      LOG_TAG,
                      "Failed after uploading " + totalBytes + " of " + fixedLength + " bytes.");
                  context.sendPluginResult(
                      new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
                } catch (JSONException e) {
                  Log.e(LOG_TAG, e.getMessage(), e);
                  context.sendPluginResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
                } catch (Throwable t) {
                  // Shouldn't happen, but will
                  JSONObject error =
                      createFileTransferError(CONNECTION_ERR, source, target, conn, t);
                  Log.e(LOG_TAG, error.toString(), t);
                  context.sendPluginResult(
                      new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
                } finally {
                  synchronized (activeRequests) {
                    activeRequests.remove(objectId);
                  }

                  if (conn != null) {
                    // Revert back to the proper verifier and socket factories
                    // Revert back to the proper verifier and socket factories
                    if (trustEveryone && useHttps) {
                      HttpsURLConnection https = (HttpsURLConnection) conn;
                      https.setHostnameVerifier(oldHostnameVerifier);
                      https.setSSLSocketFactory(oldSocketFactory);
                    }
                  }
                }
              }
            });
  }