PasswordCredentialsHandler.java
/*
* Copyright (c) 2021, 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.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.synapse.MessageContext;
import org.apache.synapse.SynapseConstants;
/**
* This class is used to handle Password Credentials grant oauth.
*/
public class PasswordCredentialsHandler extends OAuthHandler {
private final String username;
private final String password;
protected PasswordCredentialsHandler(String tokenApiUrl, String clientId, String clientSecret, String username,
String password, String authMode) {
super(tokenApiUrl, clientId, clientSecret, authMode);
this.username = username;
this.password = password;
}
@Override
protected String buildTokenRequestPayload(MessageContext messageContext) throws OAuthException {
StringBuilder payload = new StringBuilder();
payload.append(OAuthConstants.PASSWORD_CRED_GRANT_TYPE);
payload.append(OAuthConstants.PARAM_USERNAME).append(OAuthUtils.resolveExpression(username, messageContext));
payload.append(OAuthConstants.PARAM_PASSWORD).append(OAuthUtils.resolveExpression(password, messageContext));
if ("payload".equalsIgnoreCase(getAuthMode())) {
payload.append(OAuthConstants.PARAM_CLIENT_ID)
.append(OAuthUtils.resolveExpression(getClientId(), messageContext));
payload.append(OAuthConstants.PARAM_CLIENT_SECRET)
.append(OAuthUtils.resolveExpression(getClientSecret(), messageContext));
}
String requestParams = getRequestParametersAsString(messageContext);
payload.append(requestParams);
return payload.toString();
}
@Override
protected OMElement serializeSpecificOAuthConfigs(OMFactory omFactory) {
OMElement passwordCredentials = omFactory.createOMElement(
OAuthConstants.PASSWORD_CREDENTIALS,
SynapseConstants.SYNAPSE_OMNAMESPACE);
passwordCredentials.addChild(OAuthUtils.createOMElementWithValue(omFactory, OAuthConstants.OAUTH_USERNAME,
username));
passwordCredentials.addChild(OAuthUtils.createOMElementWithValue(omFactory, OAuthConstants.OAUTH_PASSWORD,
password));
return passwordCredentials;
}
public String getUsername() {
return username;
}
public String getPassword() {
return password;
}
}