Resume download

[trodox]

Hello, I see that every time you create the script the file it was destroy and create another one (when you download them), I try to modify some of your code but isn't work.. I use HTTPClient

public void download(String url, String path) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IOException, IllegalBlockSizeException, BadPaddingException, JSONException{
    //TODO DOWNLOAD mismatch?
    print("Download started");
    String[] s = url.split("!");
    String file_id = s[1];
    byte[] file_key = MegaCrypt.base64_url_decode_byte(s[2]); 

    int[] intKey = MegaCrypt.aByte_to_aInt(file_key);
    JSONObject json = new JSONObject();
    try {
        json.put("a", "g");
        json.put("g", "1");
        json.put("p", file_id);
    } catch (JSONException e) {
        e.printStackTrace();
    }

    JSONObject file_data = new JSONObject(api_request(json.toString()));
    int[] keyNOnce = new int[] { intKey[0] ^ intKey[4], intKey[1] ^ intKey[5], intKey[2] ^ intKey[6], intKey[3] ^ intKey[7], intKey[4], intKey[5] };
    byte[] key = MegaCrypt.aInt_to_aByte(keyNOnce[0], keyNOnce[1], keyNOnce[2], keyNOnce[3]);

    int[] iiv = new int[] { keyNOnce[4], keyNOnce[5], 0, 0 };
    byte[] iv = MegaCrypt.aInt_to_aByte(iiv);

    @SuppressWarnings("unused")
    int file_size = file_data.getInt("s");
    String attribs = (file_data.getString("at"));
    attribs = new String(MegaCrypt.aes_cbc_decrypt(MegaCrypt.base64_url_decode_byte(attribs), key));

    String file_name = attribs.substring(10,attribs.lastIndexOf("\""));
    print(file_name);   //Have the real filename
    file_name = URLEncoder.encode(file_name);
    File file = new File(file_name);

    int size = (int) file.length();


    final IvParameterSpec ivSpec = new IvParameterSpec(iv);
    final SecretKeySpec skeySpec = new SecretKeySpec(key, "AES");
    Cipher cipher = Cipher.getInstance("AES/CTR/nopadding");
    cipher.init(Cipher.ENCRYPT_MODE, skeySpec, ivSpec);

    String file_url = file_data.getString("g");

    FileOutputStream fos = new FileOutputStream(path+File.separator+file_name, true);
    cos = new CipherOutputStream(fos, cipher);

    Cipher decipher = Cipher.getInstance("AES/CTR/NoPadding"); 
    decipher.init(Cipher.ENCRYPT_MODE, skeySpec, ivSpec);

    byte[] buffer;





    print("Last read byte " + size );

    try {


        print(file_url);

        DefaultHttpClient httpClient1 = new DefaultHttpClient();
        HttpGet httpGet1 = new HttpGet(file_url);
        httpGet1.addHeader("Range", "bytes=" + size + "-"); 
        httpGet1.addHeader("Modified", "bytes=" + size + "-");



        HttpResponse httpResponse = httpClient1.execute(httpGet1);

        HttpEntity httpEntity = httpResponse.getEntity();
        InputStream httpInputStream = httpEntity.getContent();

        print("File: " + file.getAbsolutePath());
        int downloaded = size;

      //Sets a new connection to get the real size of the download (because if we get the other one we get a wrong size (download - total) )
        DefaultHttpClient httpSize = new DefaultHttpClient();
        HttpGet httpGetSize = new HttpGet(file_url);
        HttpResponse httpResponseSize = httpSize.execute(httpGetSize);

        int total_size = Integer.parseInt(httpResponseSize.getFirstHeader("Content-Length").getValue());

        if (total_size == size){
            System.out.println("Already downloaded.");

        }else{

            while (true) {

                buffer = new byte[1024];

                int read = httpInputStream.read(buffer);     // Read from server into buffer.
                if (read == -1) //If we get -1 it's EOF.
                    break;

                cos.write(buffer, 0, read);     // Write buffer to file.    

                //cos.flush();

                downloaded += read;
                System.out.println("read bytes: "+downloaded +" (Kb: " + downloaded/1024+")");
            }
        }
    } finally {

            if (fos != null) {
                fos.close();
            }

    }
    print("Download finished");
}

Thanks =)