package com.trafficaudit.common.config;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.web.cors.CorsConfiguration;
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import org.springframework.web.cors.CorsConfigurationSource;
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import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
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import org.springframework.web.filter.CorsFilter;
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import java.util.Arrays;
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import java.util.List;
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/**
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* 跨域配置：只允许配置中列出的来源访问接口。
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* 前后端分离本地开发默认放行 8080；前端经 dev-server 代理或与后端同源部署时均不需要额外放行。
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* 注意：不开启 allowCredentials（接口用 Bearer 令牌鉴权，不依赖 Cookie），避免任意站点携带凭证调用。
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*/
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@Configuration
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public class CorsConfig {
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@Value("${app.cors.allowed-origins:http://localhost:8080,http://127.0.0.1:8080}")
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private String allowedOrigins;
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private List<String> originList() {
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return Arrays.asList(allowedOrigins.split(","));
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}
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@Bean
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public CorsConfigurationSource corsConfigurationSource() {
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CorsConfiguration config = new CorsConfiguration();
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config.setAllowedOrigins(originList());
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config.setAllowedHeaders(Arrays.asList("Authorization", "Content-Type", "Accept", "X-Requested-With"));
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config.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS"));
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config.setAllowCredentials(false);
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config.setMaxAge(3600L);
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UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
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source.registerCorsConfiguration("/**", config);
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return source;
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}
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@Bean
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public CorsFilter corsFilter() {
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return new CorsFilter(corsConfigurationSource());
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}
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}
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