AuthorizationCodeHandler.java
/*
* Copyright (c) 2020, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.synapse.endpoints.auth.oauth;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.commons.lang.StringUtils;
import org.apache.synapse.MessageContext;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.endpoints.auth.AuthConstants;
import org.apache.synapse.endpoints.auth.AuthException;
/**
* This class is used to handle Authorization code grant oauth.
*/
public class AuthorizationCodeHandler extends OAuthHandler {
private final String refreshToken;
public AuthorizationCodeHandler(String tokenApiUrl, String clientId, String clientSecret,
String refreshToken, String authMode, int connectionTimeout,
int connectionRequestTimeout, int socketTimeout) {
super(tokenApiUrl, clientId, clientSecret, authMode, connectionTimeout, connectionRequestTimeout,
socketTimeout);
this.refreshToken = refreshToken;
}
@Override
protected String buildTokenRequestPayload(MessageContext messageContext) throws AuthException {
StringBuilder payload = new StringBuilder();
payload.append(AuthConstants.REFRESH_TOKEN_GRANT_TYPE)
.append(AuthConstants.PARAM_REFRESH_TOKEN)
.append(OAuthUtils.resolveExpression(refreshToken, messageContext));
if (StringUtils.isNotBlank(getAuthMode()) &&
"payload".equalsIgnoreCase(OAuthUtils.resolveExpression(getAuthMode(), messageContext))) {
payload.append(AuthConstants.PARAM_CLIENT_ID)
.append(OAuthUtils.resolveExpression(getClientId(), messageContext));
payload.append(AuthConstants.PARAM_CLIENT_SECRET)
.append(OAuthUtils.resolveExpression(getClientSecret(), messageContext));
}
payload.append(getRequestParametersAsString(messageContext));
return payload.toString();
}
@Override
protected OMElement serializeSpecificOAuthConfigs(OMFactory omFactory) {
OMElement authCode = omFactory.createOMElement(
AuthConstants.AUTHORIZATION_CODE,
SynapseConstants.SYNAPSE_OMNAMESPACE);
authCode.addChild(
OAuthUtils.createOMElementWithValue(omFactory, AuthConstants.OAUTH_REFRESH_TOKEN, getRefreshToken()));
return authCode;
}
/**
* Return the refresh token secret relevant to the Authorization Code Handler.
*
* @return String refresh token
*/
public String getRefreshToken() {
return refreshToken;
}
}