leap.oauth2.server.endpoint.token.DefaultGrantTokenManager Maven / Gradle / Ivy

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/*
 *
 *  * Copyright 2013 the original author or authors.
 *  *
 *  * 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 leap.oauth2.server.endpoint.token;

import leap.core.BeanFactory;
import leap.core.annotation.Inject;
import leap.lang.Out;
import leap.lang.intercepting.State;
import leap.lang.logging.Log;
import leap.lang.logging.LogFactory;
import leap.oauth2.server.OAuth2Params;
import leap.oauth2.server.token.AuthzAccessToken;
import leap.web.Request;
import leap.web.Response;

/**
 * @author kael.
 */
public class DefaultGrantTokenManager implements GrantTokenManager {
    private static final Log log = LogFactory.get(DefaultGrantTokenManager.class);
    
    protected @Inject BeanFactory factory;
    protected @Inject GrantTokenInterceptor[] interceptors;
    
    @Override
    public GrantTypeHandler getHandler(String grantType) {
        return factory.tryGetBean(GrantTypeHandler.class, grantType);
    }

    @Override
    public AuthzAccessToken grantAccessToken(Request request, Response response, OAuth2Params params, GrantTypeHandler handler) throws Throwable {
        Out out = new Out<>();
        try {
            for(GrantTokenInterceptor interceptor:interceptors){
                if(State.isIntercepted(interceptor.beforeGrantTypeHandle(request,response,params,handler,out))){
                    return out.get();
                }
            }
            handler.handleRequest(request,response,params,accessToken -> out.set(accessToken));
            for(GrantTokenInterceptor interceptor:interceptors){
                if(State.isIntercepted(interceptor.afterGrantTypeHandle(request,response,params,handler,out))){
                    return out.get();
                }
            }
            return out.get();
        }finally {
            for(GrantTokenInterceptor interceptor : interceptors) {
                try {
                    interceptor.grantTypeHandleComplete(request,response,params,handler,out);
                }catch (Exception e){
                    log.warn("complete grant type handle fail for class {}, error message: ",interceptor.getClass().getName(),e);
                    log.warn(e);
                }
            }
        }
    }
}