dubbo ProviderAuthFilter 源码

2022-10-20
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dubbo ProviderAuthFilter 代码

文件路径：/dubbo-plugin/dubbo-auth/src/main/java/org/apache/dubbo/auth/filter/ProviderAuthFilter.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.dubbo.auth.filter;

import org.apache.dubbo.auth.Constants;
import org.apache.dubbo.auth.spi.Authenticator;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.constants.CommonConstants;
import org.apache.dubbo.common.extension.Activate;
import org.apache.dubbo.rpc.AsyncRpcResult;
import org.apache.dubbo.rpc.Filter;
import org.apache.dubbo.rpc.Invocation;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.Result;
import org.apache.dubbo.rpc.RpcException;
import org.apache.dubbo.rpc.model.ApplicationModel;

@Activate(group = CommonConstants.PROVIDER, value = Constants.SERVICE_AUTH, order = -10000)
public class ProviderAuthFilter implements Filter {
    private ApplicationModel applicationModel;

    public ProviderAuthFilter(ApplicationModel applicationModel) {
        this.applicationModel = applicationModel;
    }

    @Override
    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        URL url = invoker.getUrl();
        boolean shouldAuth = url.getParameter(Constants.SERVICE_AUTH, false);
        if (shouldAuth) {
            Authenticator authenticator = applicationModel.getExtensionLoader(Authenticator.class)
                    .getExtension(url.getParameter(Constants.AUTHENTICATOR, Constants.DEFAULT_AUTHENTICATOR));
            try {
                authenticator.authenticate(invocation, url);
            } catch (Exception e) {
                return AsyncRpcResult.newDefaultAsyncResult(e, invocation);
            }
        }
        return invoker.invoke(invocation);
    }


}

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所属分类： 后端技术
本文标签： Java
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