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.oauth;
import org.apache.axiom.util.base64.Base64Utils;
import org.apache.synapse.MessageContext;
/**
* This class is used to handle Authorization code grant oauth
*/
public class AuthorizationCodeHandler extends OAuthHandler {
private String clientId;
private String clientSecret;
private String refreshToken;
public AuthorizationCodeHandler(String tokenApiUrl, String clientId, String clientSecret,
String refreshToken) {
super(tokenApiUrl);
this.clientId = clientId;
this.clientSecret = clientSecret;
this.refreshToken = refreshToken;
}
@Override
protected String buildTokenRequestPayload(MessageContext messageContext) throws OAuthException {
StringBuilder payload = new StringBuilder();
clientId = OAuthUtils.resolveExpression(clientId, messageContext);
clientSecret = OAuthUtils.resolveExpression(clientSecret, messageContext);
refreshToken = OAuthUtils.resolveExpression(refreshToken, messageContext);
payload.append(OAuthConstants.REFRESH_TOKEN_GRANT_TYPE)
.append(OAuthConstants.PARAM_REFRESH_TOKEN).append(refreshToken);
payload.append(OAuthConstants.PARAM_CLIENT_ID).append(clientId);
payload.append(OAuthConstants.PARAM_CLIENT_SECRET).append(clientSecret);
payload.append(getRequestParametersAsString(messageContext));
return payload.toString();
}
@Override
protected String getEncodedCredentials() {
return Base64Utils.encode((clientId + ":" + clientSecret).getBytes());
}
/**
* Return the client id relevant to the Authorization Code Handler
*
* @return String client id
*/
public String getClientId() {
return clientId;
}
/**
* Return the client secret relevant to the Authorization Code Handler
*
* @return String client secret
*/
public String getClientSecret() {
return clientSecret;
}
/**
* Return the refresh token secret relevant to the Authorization Code Handler
*
* @return String refresh token
*/
public String getRefreshToken() {
return refreshToken;
}
}