From ddc8bd1139980f75b8eab632a430752b8f880989 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期日, 27 十月 2024 23:25:22 +0800
Subject: [PATCH] [重大更新] update (实验性功能慎更)重构数据权限实现逻辑 支持任意mapper方法标注注解 无需再找真实mapper标注

---
 ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java |  146 ++++++++----------------------------------------
 1 files changed, 25 insertions(+), 121 deletions(-)

diff --git a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
index ab7e0f6..f46ec69 100644
--- a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
+++ b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
@@ -1,6 +1,5 @@
 package org.dromara.common.mybatis.handler;
 
-import cn.hutool.core.annotation.AnnotationUtil;
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.ObjectUtil;
 import lombok.extern.slf4j.Slf4j;
@@ -9,7 +8,6 @@
 import net.sf.jsqlparser.expression.operators.conditional.AndExpression;
 import net.sf.jsqlparser.expression.operators.relational.ParenthesedExpressionList;
 import net.sf.jsqlparser.parser.CCJSqlParserUtil;
-import org.apache.ibatis.io.Resources;
 import org.dromara.common.core.domain.dto.RoleDTO;
 import org.dromara.common.core.domain.model.LoginUser;
 import org.dromara.common.core.exception.ServiceException;
@@ -21,27 +19,17 @@
 import org.dromara.common.mybatis.enums.DataScopeType;
 import org.dromara.common.mybatis.helper.DataPermissionHelper;
 import org.dromara.common.satoken.utils.LoginHelper;
-import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.expression.BeanFactoryResolver;
-import org.springframework.core.io.Resource;
-import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
-import org.springframework.core.io.support.ResourcePatternResolver;
-import org.springframework.core.type.ClassMetadata;
-import org.springframework.core.type.classreading.CachingMetadataReaderFactory;
 import org.springframework.expression.BeanResolver;
 import org.springframework.expression.ExpressionParser;
 import org.springframework.expression.ParserContext;
 import org.springframework.expression.common.TemplateParserContext;
 import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.expression.spel.support.StandardEvaluationContext;
-import org.springframework.util.ClassUtils;
 
-import java.lang.reflect.Method;
 import java.util.Arrays;
 import java.util.HashSet;
-import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Function;
 
 /**
@@ -54,11 +42,6 @@
 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<>();
-
-    /**
      * spel 瑙f瀽鍣�
      */
     private final ExpressionParser parser = new SpelExpressionParser();
@@ -69,15 +52,6 @@
     private final BeanResolver beanResolver = new BeanFactoryResolver(SpringUtils.getBeanFactory());
 
     /**
-     * 鏋勯�犳柟娉曪紝鎵弿鎸囧畾鍖呬笅鐨� Mapper 绫诲苟鍒濆鍖栫紦瀛�
-     *
-     * @param mapperPackage Mapper 绫绘墍鍦ㄧ殑鍖呰矾寰�
-     */
-    public PlusDataPermissionHandler(String mapperPackage) {
-        scanMapperClasses(mapperPackage);
-    }
-
-    /**
      * 鑾峰彇鏁版嵁杩囨护鏉′欢鐨� SQL 鐗囨
      *
      * @param where             鍘熷鐨勬煡璇㈡潯浠惰〃杈惧紡
@@ -86,24 +60,24 @@
      * @return 鏁版嵁杩囨护鏉′欢鐨� SQL 鐗囨
      */
     public Expression getSqlSegment(Expression where, String mappedStatementId, boolean isSelect) {
-        // 鑾峰彇鏁版嵁鏉冮檺閰嶇疆
-        DataPermission dataPermission = getDataPermission(mappedStatementId);
-        // 鑾峰彇褰撳墠鐧诲綍鐢ㄦ埛淇℃伅
-        LoginUser currentUser = DataPermissionHelper.getVariable("user");
-        if (ObjectUtil.isNull(currentUser)) {
-            currentUser = LoginHelper.getLoginUser();
-            DataPermissionHelper.setVariable("user", currentUser);
-        }
-        // 濡傛灉鏄秴绾х鐞嗗憳鎴栫鎴风鐞嗗憳锛屽垯涓嶈繃婊ゆ暟鎹�
-        if (LoginHelper.isSuperAdmin() || LoginHelper.isTenantAdmin()) {
-            return where;
-        }
-        // 鏋勯�犳暟鎹繃婊ゆ潯浠剁殑 SQL 鐗囨
-        String dataFilterSql = buildDataFilter(dataPermission, isSelect);
-        if (StringUtils.isBlank(dataFilterSql)) {
-            return where;
-        }
         try {
+            // 鑾峰彇鏁版嵁鏉冮檺閰嶇疆
+            DataPermission dataPermission = DataPermissionHelper.getPermission();
+            // 鑾峰彇褰撳墠鐧诲綍鐢ㄦ埛淇℃伅
+            LoginUser currentUser = DataPermissionHelper.getVariable("user");
+            if (ObjectUtil.isNull(currentUser)) {
+                currentUser = LoginHelper.getLoginUser();
+                DataPermissionHelper.setVariable("user", currentUser);
+            }
+            // 濡傛灉鏄秴绾х鐞嗗憳鎴栫鎴风鐞嗗憳锛屽垯涓嶈繃婊ゆ暟鎹�
+            if (LoginHelper.isSuperAdmin() || LoginHelper.isTenantAdmin()) {
+                return where;
+            }
+            // 鏋勯�犳暟鎹繃婊ゆ潯浠剁殑 SQL 鐗囨
+            String dataFilterSql = buildDataFilter(dataPermission, isSelect);
+            if (StringUtils.isBlank(dataFilterSql)) {
+                return where;
+            }
             Expression expression = CCJSqlParserUtil.parseExpression(dataFilterSql);
             // 鏁版嵁鏉冮檺浣跨敤鍗曠嫭鐨勬嫭鍙� 闃叉涓庡叾浠栨潯浠跺啿绐�
             ParenthesedExpressionList<Expression> parenthesis = new ParenthesedExpressionList<>(expression);
@@ -114,6 +88,8 @@
             }
         } catch (JSQLParserException e) {
             throw new ServiceException("鏁版嵁鏉冮檺瑙f瀽寮傚父 => " + e.getMessage());
+        } finally {
+            DataPermissionHelper.removePermission();
         }
     }
 
@@ -170,8 +146,11 @@
                     context.setVariable(dataColumn.key()[i], dataColumn.value()[i]);
                 }
 
+                // 蹇界暐鏁版嵁鏉冮檺 闃叉spel琛ㄨ揪寮忓唴鏈夊叾浠杝ql鏌ヨ瀵艰嚧姝诲惊鐜皟鐢�
+                String sql = DataPermissionHelper.ignore(() ->
+                    parser.parseExpression(type.getSqlTemplate(), parserContext).getValue(context, String.class)
+                );
                 // 瑙f瀽sql妯℃澘骞跺~鍏�
-                String sql = parser.parseExpression(type.getSqlTemplate(), parserContext).getValue(context, String.class);
                 conditions.add(joinStr + sql);
                 isSuccess = true;
             }
@@ -189,86 +168,11 @@
     }
 
     /**
-     * 鎵弿鎸囧畾鍖呬笅鐨� Mapper 绫伙紝骞舵煡鎵惧叾涓甫鏈夌壒瀹氭敞瑙g殑鏂规硶鎴栫被
-     *
-     * @param mapperPackage Mapper 绫绘墍鍦ㄧ殑鍖呰矾寰�
-     */
-    private void scanMapperClasses(String mapperPackage) {
-        // 鍒涘缓璧勬簮瑙f瀽鍣ㄥ拰鍏冩暟鎹鍙栧伐鍘�
-        PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
-        CachingMetadataReaderFactory factory = new CachingMetadataReaderFactory();
-        // 灏� Mapper 鍖呰矾寰勬寜鍒嗛殧绗︽媶鍒嗕负鏁扮粍
-        String[] packagePatternArray = StringUtils.splitPreserveAllTokens(mapperPackage, ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS);
-        String classpath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX;
-        try {
-            for (String packagePattern : packagePatternArray) {
-                // 灏嗗寘璺緞杞崲涓鸿祫婧愯矾寰�
-                String path = ClassUtils.convertClassNameToResourcePath(packagePattern);
-                // 鑾峰彇鎸囧畾璺緞涓嬬殑鎵�鏈� .class 鏂囦欢璧勬簮
-                Resource[] resources = resolver.getResources(classpath + path + "/*.class");
-                for (Resource resource : resources) {
-                    // 鑾峰彇璧勬簮鐨勭被鍏冩暟鎹�
-                    ClassMetadata classMetadata = factory.getMetadataReader(resource).getClassMetadata();
-                    // 鑾峰彇璧勬簮瀵瑰簲鐨勭被瀵硅薄
-                    Class<?> clazz = Resources.classForName(classMetadata.getClassName());
-                    // 鏌ユ壘绫讳腑鐨勭壒瀹氭敞瑙�
-                    findAnnotation(clazz);
-                }
-            }
-        } catch (Exception e) {
-            log.error("鍒濆鍖栨暟鎹畨鍏ㄧ紦瀛樻椂鍑洪敊:{}", e.getMessage());
-        }
-    }
-
-    /**
-     * 鍦ㄦ寚瀹氱殑绫讳腑鏌ユ壘鐗瑰畾鐨勬敞瑙� DataPermission锛屽苟灏嗗甫鏈夎繖涓敞瑙g殑鏂规硶鎴栫被瀛樺偍鍒� dataPermissionCacheMap 涓�
-     *
-     * @param clazz 瑕佹煡鎵剧殑绫�
-     */
-    private void findAnnotation(Class<?> clazz) {
-        DataPermission dataPermission;
-        for (Method method : clazz.getMethods()) {
-            if (method.isDefault() || method.isVarArgs()) {
-                continue;
-            }
-            String mappedStatementId = clazz.getName() + "." + method.getName();
-            if (AnnotationUtil.hasAnnotation(method, DataPermission.class)) {
-                dataPermission = AnnotationUtil.getAnnotation(method, DataPermission.class);
-                dataPermissionCacheMap.put(mappedStatementId, dataPermission);
-            }
-        }
-        if (AnnotationUtil.hasAnnotation(clazz, DataPermission.class)) {
-            dataPermission = AnnotationUtil.getAnnotation(clazz, DataPermission.class);
-            dataPermissionCacheMap.put(clazz.getName(), dataPermission);
-        }
-    }
-
-    /**
-     * 鏍规嵁鏄犲皠璇彞 ID 鎴栫被鍚嶈幏鍙栧搴旂殑 DataPermission 娉ㄨВ瀵硅薄
-     *
-     * @param mapperId 鏄犲皠璇彞 ID
-     * @return DataPermission 娉ㄨВ瀵硅薄锛屽鏋滀笉瀛樺湪鍒欒繑鍥� null
-     */
-    public DataPermission getDataPermission(String mapperId) {
-        // 妫�鏌ョ紦瀛樹腑鏄惁鍖呭惈鏄犲皠璇彞 ID 瀵瑰簲鐨� DataPermission 娉ㄨВ瀵硅薄
-        if (dataPermissionCacheMap.containsKey(mapperId)) {
-            return dataPermissionCacheMap.get(mapperId);
-        }
-        // 濡傛灉缂撳瓨涓笉鍖呭惈鏄犲皠璇彞 ID 瀵瑰簲鐨� DataPermission 娉ㄨВ瀵硅薄锛屽垯灏濊瘯浣跨敤绫诲悕浣滀负閿煡鎵�
-        String clazzName = mapperId.substring(0, mapperId.lastIndexOf("."));
-        if (dataPermissionCacheMap.containsKey(clazzName)) {
-            return dataPermissionCacheMap.get(clazzName);
-        }
-        return null;
-    }
-
-    /**
      * 妫�鏌ョ粰瀹氱殑鏄犲皠璇彞 ID 鏄惁鏈夋晥锛屽嵆鏄惁鑳藉鎵惧埌瀵瑰簲鐨� DataPermission 娉ㄨВ瀵硅薄
      *
-     * @param mapperId 鏄犲皠璇彞 ID
      * @return 濡傛灉鎵惧埌瀵瑰簲鐨� DataPermission 娉ㄨВ瀵硅薄锛屽垯杩斿洖 false锛涘惁鍒欒繑鍥� true
      */
-    public boolean invalid(String mapperId) {
-        return getDataPermission(mapperId) == null;
+    public boolean invalid() {
+        return DataPermissionHelper.getPermission() == null;
     }
 }

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