Examples of org.apache.wss4j.common.ext.WSPasswordCallback

org.apache.wss4j.common.ext.WSPasswordCallback
Simple class to provide a password callback mechanism.
It uses the JAAS authentication mechanisms and callback methods. In addition to the identifier (user name) this class also provides information what type of information the callback handle method shall provide.
The WSPasswordCallback class defines the following usage codes:
- UNKNOWN - an unknown usage. Never used by the WSS4J implementation and shall be treated as an error by the handle method.
- DECRYPT - need a password to get the private key of this identifier (username) from the keystore. WSS4J uses this private key to decrypt the session (symmetric) key. Because the encryption method uses the public key to encrypt the session key it needs no password (a public key is usually not protected by a password).
- USERNAME_TOKEN - need the password to fill in or to verify a UsernameToken.
- SIGNATURE - need the password to get the private key of this identifier (username) from the keystore. WSS4J uses this private key to produce a signature. The signature verification uses the public key to verify the signature.
- SECURITY_CONTEXT_TOKEN - need the key to to be associated with a wsc:SecurityContextToken.
- PASSWORD_ENCRYPTOR_PASSWORD - return the password used with a PasswordEncryptor implementation to decrypt encrypted passwords stored in Crypto properties files

    public static byte[] getSecretKeyFromCallbackHandler(
        String id,
        CallbackHandler cb
    ) throws WSSecurityException {
        if (cb != null) {
            WSPasswordCallback pwcb = 
                new WSPasswordCallback(id, WSPasswordCallback.Usage.SECRET_KEY);
            try {
                cb.handle(new Callback[]{pwcb});
            } catch (Exception e1) {
                throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "noKey",
                        new Object[] { id }, e1);
            }
            return pwcb.getKey();
        }
        return null;
    }

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        }
        if (signatureToken == null) {
            signatureToken = reqData.getSignatureToken();
        }
        
        WSPasswordCallback passwordCallback = 
            handler.getPasswordCB(signatureToken.getUser(), WSConstants.SIGN, callbackHandler, reqData);
        WSSecSignature wsSign = new WSSecSignature(reqData.getWssConfig());


        if (signatureToken.getKeyIdentifierId() != 0) {
            wsSign.setKeyIdentifierType(signatureToken.getKeyIdentifierId());
        }
        if (signatureToken.getSignatureAlgorithm() != null) {
            wsSign.setSignatureAlgorithm(signatureToken.getSignatureAlgorithm());
        }
        if (signatureToken.getDigestAlgorithm() != null) {
            wsSign.setDigestAlgo(signatureToken.getDigestAlgorithm());
        }
        if (signatureToken.getC14nAlgorithm() != null) {
            wsSign.setSigCanonicalization(signatureToken.getC14nAlgorithm());
        }
        
        wsSign.setIncludeSignatureToken(signatureToken.isIncludeSignatureToken());


        wsSign.setUserInfo(signatureToken.getUser(), passwordCallback.getPassword());
        wsSign.setUseSingleCertificate(signatureToken.isUseSingleCert());
        
        if (passwordCallback.getKey() != null) {
            wsSign.setSecretKey(passwordCallback.getKey());
        } else if (signatureToken.getKey() != null) {
            wsSign.setSecretKey(signatureToken.getKey());
        }
        
        if (signatureToken.getTokenId() != null) {

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        RequestData data
    ) throws WSSecurityException {
        if (id.charAt(0) == '#') {
            id = id.substring(1);
        }
        WSPasswordCallback pwcb = 
            new WSPasswordCallback(id, null, type, identifier);
        try {
            Callback[] callbacks = new Callback[]{pwcb};
            if (data.getCallbackHandler() != null) {
                data.getCallbackHandler().handle(callbacks);
                return pwcb.getKey();
            }
        } catch (Exception e) {
            throw new WSSecurityException(
                WSSecurityException.ErrorCode.FAILURE,
                "noPassword",

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        byte[] ephemeralKey = encryptionToken.getKey();
        if (!encryptionToken.isEncSymmetricEncryptionKey() && ephemeralKey == null) {
            CallbackHandler callbackHandler = 
                handler.getPasswordCallbackHandler(reqData);
            if (ephemeralKey == null) {
                WSPasswordCallback passwordCallback = 
                    handler.getPasswordCB(encryptionToken.getUser(), WSConstants.ENCR, callbackHandler, reqData);
                ephemeralKey = passwordCallback.getKey();
            }
        }
        wsEncrypt.setEphemeralKey(ephemeralKey);
        
        if (encryptionToken.getTokenId() != null) {

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            keyName = builder.toString();
        }
        if (keyName == null || keyName.length() <= 0) {
            log.debug("No Key Name available");
        }
        WSPasswordCallback pwCb = 
                new WSPasswordCallback(keyName, WSPasswordCallback.Usage.SECRET_KEY);
        try {
            cb.handle(new Callback[]{pwCb});
        } catch (IOException e) {
            throw new WSSecurityException(
                WSSecurityException.ErrorCode.FAILURE,
                "noPassword",
                e,
                keyName);
        } catch (UnsupportedCallbackException e) {
            throw new WSSecurityException(
                WSSecurityException.ErrorCode.FAILURE,
                "noPassword",
                e,
                keyName);
        }
        byte[] decryptedData = pwCb.getKey();
        if (decryptedData == null) {
            throw new WSSecurityException(
                WSSecurityException.ErrorCode.FAILURE,
                "noPassword",
                keyName);

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            if (password == null) {
                String err = "provided null or empty password";
                throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE,
                        "empty", "WSHandler: application " + err);
            }
            WSPasswordCallback pwCb = constructPasswordCallback(username, doAction);
            pwCb.setPassword(password);
            return pwCb;
        }
    }

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        CallbackHandler cbHandler,
        String username,
        int doAction
    ) throws WSSecurityException {


        WSPasswordCallback pwCb = constructPasswordCallback(username, doAction);
        Callback[] callbacks = new Callback[1];
        callbacks[0] = pwCb;
        //
        // Call back the application to get the password
        //

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            break;
        case WSConstants.ENCR:
            reason = WSPasswordCallback.Usage.SECRET_KEY;
            break;
        }
        return new WSPasswordCallback(username, reason);
    }

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            throw new WSSecurityException(
                WSSecurityException.ErrorCode.FAILURE, "noCallback"
            );
        }
        
        WSPasswordCallback wsPasswordCallback = 
            new WSPasswordCallback(reqData.getUsername(), WSPasswordCallback.Usage.CUSTOM_TOKEN);
        
        try {
            callbackHandler.handle(new Callback[]{wsPasswordCallback});
        } catch (Exception e) {
            throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE,
                    "empty", e, "WSHandler: password callback failed");
        }
        
        Element customToken = wsPasswordCallback.getCustomToken();
        if (customToken == null) {
            throw new WSSecurityException(
                WSSecurityException.ErrorCode.FAILURE, "resourceNotFound", "CustomToken"
            );
        }

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            || WSConstants.WSC_SCT_05_12.equals(type)
            || WSConstants.WSS_SAML_KI_VALUE_TYPE.equals(type) 
            || WSConstants.WSS_SAML2_KI_VALUE_TYPE.equals(type)
            || KerberosSecurity.isKerberosToken(type))) {
            //try to find a custom token
            WSPasswordCallback pwcb = 
                new WSPasswordCallback(id, WSPasswordCallback.Usage.CUSTOM_TOKEN);
            try {
                cb.handle(new Callback[]{pwcb});
                Element assertionElem = pwcb.getCustomToken();
                if (assertionElem != null) {
                    return (Element)doc.importNode(assertionElem, true);
                }
            } catch (Exception e) {
                log.debug(e.getMessage(), e);

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