From 89de1beb6fe245eb0c9f96e68cbe5cd46877e7d1 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期三, 22 十二月 2021 10:19:57 +0800
Subject: [PATCH] update 优化web拦截器 使用原生接口处理 默认非生产环境开启

---
 ruoyi-framework/src/main/java/com/ruoyi/framework/handler/PlusDataPermissionHandler.java |   60 +++++++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 53 insertions(+), 7 deletions(-)

diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/handler/PlusDataPermissionHandler.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/handler/PlusDataPermissionHandler.java
index 5bcb868..d5f4f58 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/handler/PlusDataPermissionHandler.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/handler/PlusDataPermissionHandler.java
@@ -1,6 +1,7 @@
 package com.ruoyi.framework.handler;
 
 import cn.hutool.core.annotation.AnnotationUtil;
+import cn.hutool.core.collection.ConcurrentHashSet;
 import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.core.util.ClassUtil;
 import cn.hutool.core.util.ObjectUtil;
@@ -11,6 +12,7 @@
 import com.ruoyi.common.core.service.UserService;
 import com.ruoyi.common.enums.DataScopeType;
 import com.ruoyi.common.exception.ServiceException;
+import com.ruoyi.common.helper.DataPermissionHelper;
 import com.ruoyi.common.utils.SecurityUtils;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.spring.SpringUtils;
@@ -31,31 +33,57 @@
 import java.lang.reflect.Method;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
 /**
  * 鏁版嵁鏉冮檺杩囨护
  *
  * @author Lion Li
+ * @version 3.5.0
  */
 @Slf4j
 public class PlusDataPermissionHandler {
 
+    /**
+     * 鏂规硶鎴栫被(鍚嶇О) 涓� 娉ㄨВ鐨勬槧灏勫叧绯荤紦瀛�
+     */
+    private final Map<String, DataPermission> dataPermissionCacheMap = new ConcurrentHashMap<>();
+
+    /**
+     * 鏃犳晥娉ㄨВ鏂规硶缂撳瓨鐢ㄤ簬蹇�熻繑鍥�
+     */
+    private final Set<String> inavlidCacheSet = new ConcurrentHashSet<>();
+
+    /**
+     * spel 瑙f瀽鍣�
+     */
     private final ExpressionParser parser = new SpelExpressionParser();
     private final ParserContext parserContext = new TemplateParserContext();
+    /**
+     * bean瑙f瀽鍣� 鐢ㄤ簬澶勭悊 spel 琛ㄨ揪寮忎腑瀵� bean 鐨勮皟鐢�
+     */
     private final BeanResolver beanResolver = new BeanFactoryResolver(SpringUtils.getBeanFactory());
+
 
     public Expression getSqlSegment(Expression where, String mappedStatementId, boolean isSelect) {
         DataColumn[] dataColumns = findAnnotation(mappedStatementId);
         if (ArrayUtil.isEmpty(dataColumns)) {
+            inavlidCacheSet.add(mappedStatementId);
             return where;
         }
-        SysUser currentUser = SpringUtils.getBean(UserService.class).selectUserById(SecurityUtils.getUserId());
+        SysUser currentUser = DataPermissionHelper.getVariable("user");
+        if (ObjectUtil.isNull(currentUser)) {
+            currentUser = SpringUtils.getBean(UserService.class).selectUserById(SecurityUtils.getUserId());
+            DataPermissionHelper.setVariable("user", currentUser);
+        }
         // 濡傛灉鏄秴绾х鐞嗗憳锛屽垯涓嶈繃婊ゆ暟鎹�
-        if (StringUtils.isNull(currentUser) || currentUser.isAdmin()) {
+        if (ObjectUtil.isNull(currentUser) || currentUser.isAdmin()) {
             return where;
         }
-        String dataFilterSql = buildDataFilter(currentUser, dataColumns, isSelect);
+        String dataFilterSql = buildDataFilter(dataColumns, isSelect);
         if (StringUtils.isBlank(dataFilterSql)) {
             return where;
         }
@@ -76,13 +104,14 @@
     /**
      * 鏋勯�犳暟鎹繃婊ql
      */
-    private String buildDataFilter(SysUser user, DataColumn[] dataColumns, boolean isSelect) {
+    private String buildDataFilter(DataColumn[] dataColumns, boolean isSelect) {
         StringBuilder sqlString = new StringBuilder();
         // 鏇存柊鎴栧垹闄ら渶婊¤冻鎵�鏈夋潯浠�
         String joinStr = isSelect ? " OR " : " AND ";
+        SysUser user = DataPermissionHelper.getVariable("user");
         StandardEvaluationContext context = new StandardEvaluationContext();
         context.setBeanResolver(beanResolver);
-        context.setVariable("user", user);
+        DataPermissionHelper.getContext().forEach(context::setVariable);
         for (SysRole role : user.getRoles()) {
             user.setRoleId(role.getRoleId());
             // 鑾峰彇瑙掕壊鏉冮檺娉涘瀷
@@ -131,16 +160,33 @@
         DataPermission dataPermission;
         // 鑾峰彇鏂规硶娉ㄨВ
         for (Method method : methods) {
-            if (AnnotationUtil.hasAnnotation(method, DataPermission.class)) {
-                dataPermission = AnnotationUtil.getAnnotation(method, DataPermission.class);
+            dataPermission = dataPermissionCacheMap.get(method.getName());
+            if (ObjectUtil.isNotNull(dataPermission)) {
                 return dataPermission.value();
             }
+            if (AnnotationUtil.hasAnnotation(method, DataPermission.class)) {
+                dataPermission = AnnotationUtil.getAnnotation(method, DataPermission.class);
+                dataPermissionCacheMap.put(method.getName(), dataPermission);
+                return dataPermission.value();
+            }
+        }
+        dataPermission = dataPermissionCacheMap.get(clazz.getName());
+        if (ObjectUtil.isNotNull(dataPermission)) {
+            return dataPermission.value();
         }
         // 鑾峰彇绫绘敞瑙�
         if (AnnotationUtil.hasAnnotation(clazz, DataPermission.class)) {
             dataPermission = AnnotationUtil.getAnnotation(clazz, DataPermission.class);
+            dataPermissionCacheMap.put(clazz.getName(), dataPermission);
             return dataPermission.value();
         }
         return null;
     }
+
+    /**
+     * 鏄惁涓烘棤鏁堟柟娉� 鏃犳暟鎹潈闄�
+     */
+    public boolean isInvalid(String mappedStatementId) {
+        return inavlidCacheSet.contains(mappedStatementId);
+    }
 }

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