/* | |
* Copyright 1999-2011 Alibaba Group. | |
* | |
* 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.alibaba.dubbo.rpc.filter; | |
import java.util.Map; | |
import com.alibaba.dubbo.common.Constants; | |
import com.alibaba.dubbo.common.extension.Activate; | |
import com.alibaba.dubbo.common.utils.ConfigUtils; | |
import com.alibaba.dubbo.rpc.Filter; | |
import com.alibaba.dubbo.rpc.Invocation; | |
import com.alibaba.dubbo.rpc.Invoker; | |
import com.alibaba.dubbo.rpc.Result; | |
import com.alibaba.dubbo.rpc.RpcContext; | |
import com.alibaba.dubbo.rpc.RpcException; | |
/** | |
* TokenInvokerFilter | |
* | |
* @author william.liangf | |
*/ | |
@Activate(group = Constants.PROVIDER, value = Constants.TOKEN_KEY) | |
public class TokenFilter implements Filter { | |
public Result invoke(Invoker<?> invoker, Invocation inv) | |
throws RpcException { | |
String token = invoker.getUrl().getParameter(Constants.TOKEN_KEY); | |
if (ConfigUtils.isNotEmpty(token)) { | |
Class<?> serviceType = invoker.getInterface(); | |
Map<String, String> attachments = inv.getAttachments(); | |
String remoteToken = attachments == null ? null : attachments.get(Constants.TOKEN_KEY); | |
if (! token.equals(remoteToken)) { | |
throw new RpcException("Invalid token! Forbid invoke remote service " + serviceType + " method " + inv.getMethodName() + "() from consumer " + RpcContext.getContext().getRemoteHost() + " to provider " + RpcContext.getContext().getLocalHost()); | |
} | |
} | |
return invoker.invoke(inv); | |
} | |
} |