mirror of
https://gitee.com/mirrors/Spring-Cloud-Alibaba.git
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106 lines
3.9 KiB
Java
106 lines
3.9 KiB
Java
/*
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* Copyright (C) 2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (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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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.sentinel;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Optional;
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import javax.annotation.PostConstruct;
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import javax.servlet.Filter;
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import com.alibaba.csp.sentinel.adapter.servlet.CommonFilter;
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import com.alibaba.csp.sentinel.adapter.servlet.callback.RequestOriginParser;
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import com.alibaba.csp.sentinel.adapter.servlet.callback.UrlBlockHandler;
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import com.alibaba.csp.sentinel.adapter.servlet.callback.UrlCleaner;
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import com.alibaba.csp.sentinel.adapter.servlet.callback.WebCallbackManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
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import org.springframework.boot.context.properties.EnableConfigurationProperties;
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import org.springframework.boot.web.servlet.FilterRegistrationBean;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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/**
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* @author xiaojing
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*/
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@Configuration
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@ConditionalOnWebApplication(type = Type.SERVLET)
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@ConditionalOnClass(CommonFilter.class)
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@ConditionalOnProperty(name = "spring.cloud.sentinel.enabled", matchIfMissing = true)
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@EnableConfigurationProperties(SentinelProperties.class)
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public class SentinelWebAutoConfiguration {
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private static final Logger log = LoggerFactory
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.getLogger(SentinelWebAutoConfiguration.class);
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@Autowired
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private SentinelProperties properties;
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@Autowired
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private Optional<UrlCleaner> urlCleanerOptional;
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@Autowired
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private Optional<UrlBlockHandler> urlBlockHandlerOptional;
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@Autowired
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private Optional<RequestOriginParser> requestOriginParserOptional;
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@PostConstruct
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public void init() {
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urlBlockHandlerOptional.ifPresent(WebCallbackManager::setUrlBlockHandler);
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urlCleanerOptional.ifPresent(WebCallbackManager::setUrlCleaner);
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requestOriginParserOptional.ifPresent(WebCallbackManager::setRequestOriginParser);
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}
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@Bean
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@ConditionalOnProperty(name = "spring.cloud.sentinel.filter.enabled", matchIfMissing = true)
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public FilterRegistrationBean sentinelFilter() {
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FilterRegistrationBean<Filter> registration = new FilterRegistrationBean<>();
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SentinelProperties.Filter filterConfig = properties.getFilter();
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if (filterConfig.getUrlPatterns() == null
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|| filterConfig.getUrlPatterns().isEmpty()) {
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List<String> defaultPatterns = new ArrayList<>();
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defaultPatterns.add("/*");
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filterConfig.setUrlPatterns(defaultPatterns);
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}
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registration.addUrlPatterns(filterConfig.getUrlPatterns().toArray(new String[0]));
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Filter filter = new CommonFilter();
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registration.setFilter(filter);
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registration.setOrder(filterConfig.getOrder());
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registration.addInitParameter(CommonFilter.HTTP_METHOD_SPECIFY,
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String.valueOf(properties.getHttpMethodSpecify()));
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registration.addInitParameter(CommonFilter.WEB_CONTEXT_UNIFY,
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String.valueOf(filterConfig.isWebContextUnify()));
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log.info(
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"[Sentinel Starter] register Sentinel CommonFilter with urlPatterns: {}.",
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filterConfig.getUrlPatterns());
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return registration;
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}
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} |