VwPs702k

1private String generateToken(String path, String key, String uuid) {
2        try {
3            Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
4            String data = path + ":" + uuid;
5            SecretKeySpec secret_key = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA256");
6            sha256_HMAC.init(secret_key);
7            return Hex.encodeHexString(sha256_HMAC.doFinal(data.getBytes("UTF-8")));
8        } catch (NoSuchAlgorithmException e) {
9            e.printStackTrace();
10        } catch (InvalidKeyException e) {
11            e.printStackTrace();
12        } catch (UnsupportedEncodingException e) {
13            e.printStackTrace();
14        }
15        return null;
16    }
17
18    private String generateUUID() {
19        return UUID.randomUUID().toString();
20    }
21
22    private String canonizePath(String urlpath) {
23        try {
24            URL url = new URL(urlpath);
25            return url.getPath();
26        } catch (MalformedURLException e) {
27            e.printStackTrace();
28        }
29        return null;