dubbo TokenHeaderFilter 源码
dubbo TokenHeaderFilter 代码
文件路径：/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/TokenHeaderFilter.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.rpc.filter;
import org.apache.dubbo.common.extension.Activate;
import org.apache.dubbo.common.utils.ConfigUtils;
import org.apache.dubbo.rpc.HeaderFilter;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.RpcContext;
import org.apache.dubbo.rpc.RpcException;
import org.apache.dubbo.rpc.RpcInvocation;
import static org.apache.dubbo.rpc.Constants.TOKEN_KEY;
import static org.apache.dubbo.rpc.RpcException.FORBIDDEN_EXCEPTION;
@Activate
public class TokenHeaderFilter implements HeaderFilter {
@Override
public RpcInvocation invoke(Invoker<?> invoker, RpcInvocation invocation) throws RpcException {
String token = invoker.getUrl().getParameter(TOKEN_KEY);
if (ConfigUtils.isNotEmpty(token)) {
Class<?> serviceType = invoker.getInterface();
String remoteToken = (String) invocation.getObjectAttachmentWithoutConvert(TOKEN_KEY);
if (!token.equals(remoteToken)) {
throw new RpcException(FORBIDDEN_EXCEPTION, "Forbid invoke remote service " + serviceType + " method " + invocation.getMethodName() +
"() from consumer " + RpcContext.getServiceContext().getRemoteHost() + " to provider " +
RpcContext.getServiceContext().getLocalHost() + ", consumer incorrect token is " + remoteToken);
}
}
return invocation;
}
}
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