Package ch.autumo.beetroot.utils.web

Class TwoFA

java.lang.Object

ch.autumo.beetroot.utils.web.TwoFA

public class TwoFA
extends Object

2-FA Google Authenticator.

Constructor Summary

Constructors

Constructor	Description
TwoFA()

Method Summary

Modifier and Type	Method	Description
static String	create6DigitTOTPCode(String secretUserKey)	Create 5-digit TOTP (time-based one-time password) code for a user secret key.
static String	createQRCode(String barCodeData, int height, int width)	Create QR code.
static String	createSecretUserKey()	Generate a secret user key with specific length.
static String	createSecretUserKey(int len)	Generate a secret user key with specific length.
static String	getGoogleAuthenticatorBarCode(String secretUserKey, String email)	Create Google Authenticator bar code.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TwoFA

public TwoFA()

Method Details

createSecretUserKey

public static String createSecretUserKey()

Generate a secret user key with specific length. Note: Only initially for every user once!

Returns:

secret user key

createSecretUserKey

public static String createSecretUserKey(int len)

Generate a secret user key with specific length. Note: Only initially for every user once!

Parameters:

len - length

Returns:

secret user key

create6DigitTOTPCode

public static String create6DigitTOTPCode(String secretUserKey)

Create 5-digit TOTP (time-based one-time password) code for a user secret key.

Parameters:

secretUserKey - secret user key

Returns:

code

getGoogleAuthenticatorBarCode

public static String getGoogleAuthenticatorBarCode(String secretUserKey,
 String email)
                                            throws UtilsException

Create Google Authenticator bar code.

Parameters:

secretUserKey - secret user key

email - email of user

Returns:

bar code

Throws:

UtilsException - utilities exception

createQRCode

public static String createQRCode(String barCodeData,
 int height,
 int width)
                           throws UtilsException

Create QR code.

Parameters:

barCodeData - Google authenticator bar code.

height - height of QR code image

width - width of QR code image

Returns:

path to QR code image file

Throws:

UtilsException - utilities exception