public static String hash(String target, String algorithm, Coding coding) {
MessageDigest md = null;
try {
md = MessageDigest.getInstance(algorithm);
} catch (Exception e) {
e.printStackTrace();
}
byte[] bytes = target.getBytes();
byte[] byteHash = md.digest(bytes);
String encodedHash = null;
switch (coding) {
case BASE_64:
encodedHash = Base64.encodeBytes(byteHash);
break;
case HEX:
encodedHash = toHex(byteHash);
break;
default:
throw new IllegalArgumentException("Unsuported coding:" + coding.name());
}
return encodedHash;
}
private String encodePassword(String password) {
String pw = "";
try {
MessageDigest md = MessageDigest.getInstance("SHA-256");
md.reset();
byte byteData[] = md.digest(password.getBytes());
pw = Base64.encodeBytes(byteData);
} catch (Exception e) {
System.out.println("Error: " + e);
}
return pw;
}
@SuppressWarnings("unchecked")
public static Authentication getAuthenticationToken(Message message) {
Map<String, List<String>> headers =
(Map<String, List<String>>) message.get(Message.PROTOCOL_HEADERS);
String token = null;
for (Cookie c : extractCookies(headers.get("cookie"))) {
if (AUTH_TOKEN.equalsIgnoreCase(c.getName())) {
token = c.getValue();
break;
}
}
if (token == null) {
return null;
}
try {
return (Authentication) Base64.decodeToObject(token);
} catch (Exception e) {
return null;
}
}