Package tigase.form

Class SignatureCalculator

java.lang.Object

tigase.form.SignatureCalculator

public class SignatureCalculator
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static String	SUPPORTED_TYPE

Constructor Summary

Constructors

Constructor	Description
SignatureCalculator()
SignatureCalculator(String oauthConsumerKey, String oauthConsumerSecret)
SignatureCalculator(String oauthToken, String oauthTokenSecret, String oauthConsumerKey, String oauthConsumerSecret)

Method Summary

Modifier and Type	Method	Description
void	addEmptyFields(Form form)
String	calculateSignature(JID to, Form form)	Calculate signature of given form.
protected static String	escape(String s)
String	getOauthConsumerKey()
String	getOauthConsumerSecret()
String	getOauthToken()
String	getOauthTokenSecret()
protected byte[]	h(byte[] data)
protected static byte[]	hmac(SecretKey key, byte[] data)
boolean	isMethodSupported(String fOauthSignatureMethod)
protected SecretKey	key(byte[] key)
protected String	randomString()
void	setOauthConsumerKey(String oauthConsumerKey)
void	setOauthConsumerSecret(String oauthConsumerSecret)
void	setOauthToken(String oauthToken)
void	setOauthTokenSecret(String oauthTokenSecret)
void	sign(JID to, String nonce, long timestamp, Form form)	Sign given Form.
void	sign(JID to, Form form)	Sign given form with current time.

Methods inherited from class java.lang.Object

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

Field Detail

SUPPORTED_TYPE

public static final String SUPPORTED_TYPE

See Also:

Constant Field Values

Constructor Detail

SignatureCalculator

public SignatureCalculator()

SignatureCalculator

public SignatureCalculator(String oauthConsumerKey,
                           String oauthConsumerSecret)

SignatureCalculator

public SignatureCalculator(String oauthToken,
                           String oauthTokenSecret,
                           String oauthConsumerKey,
                           String oauthConsumerSecret)

Method Detail

escape

protected static String escape(String s)

hmac

protected static byte[] hmac(SecretKey key,
                             byte[] data)
                      throws NoSuchAlgorithmException,
                             InvalidKeyException

Throws:

NoSuchAlgorithmException

InvalidKeyException

addEmptyFields

public void addEmptyFields(Form form)

calculateSignature

public String calculateSignature(JID to,
                                 Form form)
                          throws InvalidKeyException,
                                 NoSuchAlgorithmException

Calculate signature of given form. Form will not be changed.

Parameters:

to - the full destination address, including resource, if any.

form - form to sign.

Returns:

Signature of form.

Throws:

InvalidKeyException

NoSuchAlgorithmException

getOauthConsumerKey

public String getOauthConsumerKey()

Returns:

the oauthConsumerKey

setOauthConsumerKey

public void setOauthConsumerKey(String oauthConsumerKey)

Parameters:

oauthConsumerKey - the oauthConsumerKey to set

getOauthConsumerSecret

public String getOauthConsumerSecret()

Returns:

the oauthConsumerSecret

setOauthConsumerSecret

public void setOauthConsumerSecret(String oauthConsumerSecret)

Parameters:

oauthConsumerSecret - the oauthConsumerSecret to set

getOauthToken

public String getOauthToken()

Returns:

the oauthToken

setOauthToken

public void setOauthToken(String oauthToken)

Parameters:

oauthToken - the oauthToken to set

getOauthTokenSecret

public String getOauthTokenSecret()

Returns:

the oauthTokenSecret

setOauthTokenSecret

public void setOauthTokenSecret(String oauthTokenSecret)

Parameters:

oauthTokenSecret - the oauthTokenSecret to set

isMethodSupported

public boolean isMethodSupported(String fOauthSignatureMethod)

sign

public void sign(JID to,
                 Form form)
          throws InvalidKeyException,
                 NoSuchAlgorithmException

Sign given form with current time. Signature will be added to form.

Parameters:

to - the full destination address, including resource, if any.

form - form to sign.

Throws:

InvalidKeyException

NoSuchAlgorithmException

sign

public void sign(JID to,
                 String nonce,
                 long timestamp,
                 Form form)
          throws InvalidKeyException,
                 NoSuchAlgorithmException

Sign given Form. Signature will be added to form.

Parameters:

to - the full destination address, including resource, if any.

nonce - A nonce value that the client has to set. Can be a random alphanumerical string.

timestamp - Number of seconds since 1st of January 1970, 00:00:00 GMT. The client has to set this at the time of signature.

form - form to sign.

Throws:

InvalidKeyException

NoSuchAlgorithmException

h

protected byte[] h(byte[] data)
            throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

key

protected SecretKey key(byte[] key)

randomString

protected String randomString()