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(支持 * 通配)访问接口。
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* 浏览器发起 POST/PUT/DELETE 时会带 Origin 头(GET 不带),因此用局域网 IP 打开页面时,
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* 若该来源不在放行列表内会被 CorsFilter 判为非法并返回 403,表现为登录时提示“网络错误”。
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* 默认放行本机与内网网段的任意端口(本地开发、局域网访问、IP 方式访问 8090 同源部署都覆盖)。
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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:*,http://127.0.0.1:*,http://192.168.*:*,http://10.*:*,http://172.*:*}")
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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.setAllowedOriginPatterns(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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