コード例 #1
0
  /** @deprecated no longer used and will be removed in the future */
  @Deprecated
  public static ByteRangeCapturingInputStream getEncryptedInputStream(
      UploadPartRequest request, CipherFactory cipherFactory) {
    try {
      InputStream originalInputStream = request.getInputStream();
      if (request.getFile() != null) {
        originalInputStream =
            new InputSubstream(
                new RepeatableFileInputStream(request.getFile()),
                request.getFileOffset(),
                request.getPartSize(),
                request.isLastPart());
      }

      originalInputStream = new RepeatableCipherInputStream(originalInputStream, cipherFactory);

      if (request.isLastPart() == false) {
        // We want to prevent the final padding from being sent on the stream...
        originalInputStream =
            new InputSubstream(originalInputStream, 0, request.getPartSize(), false);
      }

      long partSize = request.getPartSize();
      int cipherBlockSize = cipherFactory.createCipher().getBlockSize();
      return new ByteRangeCapturingInputStream(
          originalInputStream, partSize - cipherBlockSize, partSize);
    } catch (Exception e) {
      throw new AmazonClientException("Unable to create cipher input stream: " + e.getMessage(), e);
    }
  }
コード例 #2
0
 /** @deprecated no longer used and will be removed in the future */
 @Deprecated
 public static long calculateCryptoContentLength(
     Cipher symmetricCipher, UploadPartRequest request) {
   long plaintextLength;
   if (request.getFile() != null) {
     if (request.getPartSize() > 0) plaintextLength = request.getPartSize();
     else plaintextLength = request.getFile().length();
   } else if (request.getInputStream() != null) {
     plaintextLength = request.getPartSize();
   } else {
     return -1;
   }
   long cipherBlockSize = symmetricCipher.getBlockSize();
   long offset = cipherBlockSize - (plaintextLength % cipherBlockSize);
   return plaintextLength + offset;
 }