package com.ruoyi.framework.config.properties; 
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import java.util.ArrayList; 
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import java.util.List; 
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import java.util.Map; 
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import java.util.Optional; 
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import java.util.regex.Pattern; 
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import org.apache.commons.lang3.RegExUtils; 
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import org.springframework.beans.BeansException; 
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import org.springframework.beans.factory.InitializingBean; 
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import org.springframework.context.ApplicationContext; 
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import org.springframework.context.ApplicationContextAware; 
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import org.springframework.context.annotation.Configuration; 
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import org.springframework.core.annotation.AnnotationUtils; 
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import org.springframework.web.method.HandlerMethod; 
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import org.springframework.web.servlet.mvc.method.RequestMappingInfo; 
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import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping; 
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import com.ruoyi.common.annotation.Anonymous; 
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/** 
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 * 设置Anonymous注解允许匿名访问的url 
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 *  
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 * @author ruoyi 
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 */ 
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@Configuration 
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public class PermitAllUrlProperties implements InitializingBean, ApplicationContextAware 
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{ 
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    private static final Pattern PATTERN = Pattern.compile("\\{(.*?)\\}"); 
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    private ApplicationContext applicationContext; 
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    private List<String> urls = new ArrayList<>(); 
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    public String ASTERISK = "*"; 
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    @Override 
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    public void afterPropertiesSet() 
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    { 
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        RequestMappingHandlerMapping mapping = applicationContext.getBean(RequestMappingHandlerMapping.class); 
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        Map<RequestMappingInfo, HandlerMethod> map = mapping.getHandlerMethods(); 
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        map.keySet().forEach(info -> { 
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            HandlerMethod handlerMethod = map.get(info); 
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            // 获取方法上边的注解 替代path variable 为 * 
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            Anonymous method = AnnotationUtils.findAnnotation(handlerMethod.getMethod(), Anonymous.class); 
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            Optional.ofNullable(method).ifPresent(anonymous -> info.getPatternsCondition().getPatterns() 
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                    .forEach(url -> urls.add(RegExUtils.replaceAll(url, PATTERN, ASTERISK)))); 
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            // 获取类上边的注解, 替代path variable 为 * 
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            Anonymous controller = AnnotationUtils.findAnnotation(handlerMethod.getBeanType(), Anonymous.class); 
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            Optional.ofNullable(controller).ifPresent(anonymous -> info.getPatternsCondition().getPatterns() 
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                    .forEach(url -> urls.add(RegExUtils.replaceAll(url, PATTERN, ASTERISK)))); 
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        }); 
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    } 
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    @Override 
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    public void setApplicationContext(ApplicationContext context) throws BeansException 
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    { 
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        this.applicationContext = context; 
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    } 
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    public List<String> getUrls() 
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    { 
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        return urls; 
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    } 
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    public void setUrls(List<String> urls) 
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    { 
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        this.urls = urls; 
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    } 
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} 
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