lepdou
3 years ago
committed by
GitHub
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.polaris.ratelimit.spi;
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import java.util.Map;
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import org.springframework.web.server.ServerWebExchange;
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/**
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* Resolve custom label from request. The label used for rate limit params.
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*
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* @author lepdou 2022-03-31
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*/
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public interface PolarisRateLimiterLabelReactiveResolver {
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/**
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* Resolve custom label from request.
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*
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* @param exchange the http request
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* @return resolved labels
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*/
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Map<String, String> resolve(ServerWebExchange exchange);
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}
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.polaris.ratelimit.spi;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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/**
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* Resolve custom label from request. The label used for rate limit params.
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*
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* @author lepdou 2022-03-31
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*/
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public interface PolarisRateLimiterLabelServletResolver {
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/**
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* Resolve custom label from request.
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*
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* @param request the http request
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* @return resolved labels
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*/
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Map<String, String> resolve(HttpServletRequest request);
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}
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@ -0,0 +1,47 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.ratelimit.example.service.callee;
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import java.util.HashMap;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import com.tencent.cloud.polaris.ratelimit.spi.PolarisRateLimiterLabelServletResolver;
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import org.springframework.stereotype.Component;
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/**
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* resolver custom label from request.
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*
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*@author lepdou 2022-03-31
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*/
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@Component
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public class CustomLabelResolver implements PolarisRateLimiterLabelServletResolver {
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@Override
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public Map<String, String> resolve(HttpServletRequest request) {
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//rate limit by some request params. such as query params, headers ..
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Map<String, String> labels = new HashMap<>();
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labels.put("user", "zhangsan");
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return labels;
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}
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}
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