com.predic8.membrane.core.interceptor.oauth2.request.tokenrequest.TokenFlowDecider Maven / Gradle / Ivy
/*
* Copyright 2016 predic8 GmbH, www.predic8.com
* Licensed 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 com.predic8.membrane.core.interceptor.oauth2.request.tokenrequest;
import com.predic8.membrane.core.exchange.Exchange;
import com.predic8.membrane.core.interceptor.oauth2.OAuth2AuthorizationServerInterceptor;
import com.predic8.membrane.core.interceptor.oauth2.ParamNames;
import com.predic8.membrane.core.interceptor.oauth2.request.ParameterizedRequest;
import com.predic8.membrane.core.util.URLParamUtil;
import java.util.Map;
public class TokenFlowDecider {
private static final String AUTHORIZATION_CODE = "authorization_code";
private static final String PASSWORD = "password";
private static final String CLIENT_CREDENTIALS = "client_credentials";
private static final String REFRESH_TOKEN = "refresh_token";
Map params;
ParameterizedRequest flow;
public TokenFlowDecider(OAuth2AuthorizationServerInterceptor authServer, Exchange exc) throws Exception {
params = URLParamUtil.getParams(authServer.getRouter().getUriFactory(), exc);
flow = new ErrorFlow(authServer,exc);
if(getGrantType() == null)
return;
if(getGrantType().equals(AUTHORIZATION_CODE)) {
flow = new AuthorizationCodeFlow(authServer, exc);
authServer.getStatistics().codeFlow();
return;
}
if(getGrantType().equals(PASSWORD)){
flow = new PasswordFlow(authServer,exc);
authServer.getStatistics().passwordFlow();
return;
}
if(getGrantType().equals(CLIENT_CREDENTIALS)){
flow = new CredentialsFlow(authServer,exc);
authServer.getStatistics().clientCredentialsFlow();
return;
}
if(getGrantType().equals(REFRESH_TOKEN)){
flow = new RefreshTokenFlow(authServer,exc);
authServer.getStatistics().refreshTokenFlow();
}
}
private String getGrantType() {
return params.get(ParamNames.GRANT_TYPE);
}
public ParameterizedRequest getFlow(){
return flow;
}
}