コード例 #1
0
ファイル: FileResource.java プロジェクト: saksoy/docs
  /**
   * Deletes a file.
   *
   * @param id File ID
   * @return Response
   * @throws JSONException
   */
  @DELETE
  @Path("{id: [a-z0-9\\-]+}")
  @Produces(MediaType.APPLICATION_JSON)
  public Response delete(@PathParam("id") String id) throws JSONException {
    if (!authenticate()) {
      throw new ForbiddenClientException();
    }

    // Get the file
    FileDao fileDao = new FileDao();
    DocumentDao documentDao = new DocumentDao();
    File file;
    try {
      file = fileDao.getFile(id);
      documentDao.getDocument(file.getDocumentId(), principal.getId());
    } catch (NoResultException e) {
      throw new ClientException("FileNotFound", MessageFormat.format("File not found: {0}", id));
    }

    // Delete the file
    fileDao.delete(file.getId());

    // Raise a new file deleted event
    FileDeletedAsyncEvent fileDeletedAsyncEvent = new FileDeletedAsyncEvent();
    fileDeletedAsyncEvent.setFile(file);
    AppContext.getInstance().getAsyncEventBus().post(fileDeletedAsyncEvent);

    // Always return ok
    JSONObject response = new JSONObject();
    response.put("status", "ok");
    return Response.ok().entity(response).build();
  }
コード例 #2
0
ファイル: FileResource.java プロジェクト: saksoy/docs
  /**
   * Returns a file.
   *
   * @param fileId File ID
   * @return Response
   * @throws JSONException
   */
  @GET
  @Path("{id: [a-z0-9\\-]+}/data")
  @Produces(MediaType.APPLICATION_OCTET_STREAM)
  public Response data(
      @PathParam("id") final String fileId,
      @QueryParam("share") String shareId,
      @QueryParam("size") String size)
      throws JSONException {
    authenticate();

    if (size != null) {
      if (!Lists.newArrayList("web", "thumb").contains(size)) {
        throw new ClientException("SizeError", "Size must be web or thumb");
      }
    }

    // Get the file
    FileDao fileDao = new FileDao();
    DocumentDao documentDao = new DocumentDao();
    UserDao userDao = new UserDao();
    File file;
    Document document;
    try {
      file = fileDao.getFile(fileId);
      document = documentDao.getDocument(file.getDocumentId());

      // Check document visibility
      ShareDao shareDao = new ShareDao();
      if (!shareDao.checkVisibility(document, principal.getId(), shareId)) {
        throw new ForbiddenClientException();
      }
    } catch (NoResultException e) {
      throw new ClientException(
          "FileNotFound", MessageFormat.format("File not found: {0}", fileId));
    }

    // Get the stored file
    java.io.File storedfile;
    String mimeType;
    boolean decrypt = false;
    if (size != null) {
      storedfile =
          Paths.get(DirectoryUtil.getStorageDirectory().getPath(), fileId + "_" + size).toFile();
      mimeType = MimeType.IMAGE_JPEG; // Thumbnails are JPEG
      decrypt = true; // Thumbnails are encrypted
      if (!storedfile.exists()) {
        storedfile = new java.io.File(getClass().getResource("/image/file.png").getFile());
        mimeType = MimeType.IMAGE_PNG;
        decrypt = false;
      }
    } else {
      storedfile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), fileId).toFile();
      mimeType = file.getMimeType();
      decrypt = true; // Original files are encrypted
    }

    // Stream the output and decrypt it if necessary
    StreamingOutput stream;
    User user = userDao.getById(document.getUserId());
    try {
      InputStream fileInputStream = new FileInputStream(storedfile);
      final InputStream responseInputStream =
          decrypt
              ? EncryptionUtil.decryptInputStream(fileInputStream, user.getPrivateKey())
              : fileInputStream;

      stream =
          new StreamingOutput() {
            @Override
            public void write(OutputStream outputStream)
                throws IOException, WebApplicationException {
              try {
                ByteStreams.copy(responseInputStream, outputStream);
              } finally {
                responseInputStream.close();
                outputStream.close();
              }
            }
          };
    } catch (Exception e) {
      throw new ServerException("FileError", "Error while reading the file", e);
    }

    return Response.ok(stream)
        .header("Content-Type", mimeType)
        .header(
            "Expires",
            new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss Z")
                .format(new Date().getTime() + 3600000 * 24))
        .build();
  }