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package com.tcm.training.admin.config;
 
import cn.dev33.satoken.interceptor.SaInterceptor;
import cn.dev33.satoken.context.SaHolder;
import cn.dev33.satoken.stp.StpUtil;
import com.tcm.training.admin.common.xss.XssParamInterceptor;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
import java.io.File;
 
@Configuration
public class SaTokenWebConfig implements WebMvcConfigurer {
 
    private final XssParamInterceptor xssParamInterceptor;
 
    @Value("${app.upload.dir:uploads}")
    private String uploadDir;
 
    @Value("${app.upload.path-prefix:/uploads}")
    private String pathPrefix;
 
    public SaTokenWebConfig(XssParamInterceptor xssParamInterceptor) {
        this.xssParamInterceptor = xssParamInterceptor;
    }
 
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new SaInterceptor(handle -> {
                    if ("OPTIONS".equalsIgnoreCase(SaHolder.getRequest().getMethod())) {
                        return;
                    }
                    StpUtil.checkLogin();
                }))
                .addPathPatterns("/api/**", "/api/v1/**")
                .excludePathPatterns(
                        "/api/auth/login",
                        "/api/auth/captcha",
                        "/api/app-version-settings/check",
                        "/api/v1/app-version-settings/check"
                );
 
        registry.addInterceptor(xssParamInterceptor)
                .addPathPatterns("/api/**", "/api/v1/**");
    }
 
    /** 将本地上传目录映射为静态资源,可通过 /uploads/** 访问 */
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        // 转为绝对路径,确保 file: 协议正确
        String absPath = new File(uploadDir).getAbsolutePath();
        registry.addResourceHandler(pathPrefix + "/**")
                .addResourceLocations("file:" + absPath + "/");
    }
}