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!479 update 优化 使用预扫描实体类提升代码性能

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* 优化了数据库字段加解密的缓存机制.在自动配置类启动时,就把有加密注解的类进行缓存,以提高速度.
This commit is contained in:
_老马_ 2024-01-17 05:47:44 +00:00 committed by 疯狂的狮子Li
parent 13e60a6048
commit cad250f02a
5 changed files with 110 additions and 21 deletions
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11
ruoyi-common/ruoyi-common-encrypt/pom.xml
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@ -42,6 +42,17 @@
<artifactId>spring-webmvc</artifactId>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-spring-boot3-starter</artifactId>
<exclusions>
<exclusion>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
</project>

76
ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/config/EncryptorAutoConfiguration.java
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@ -1,5 +1,11 @@
package org.dromara.common.encrypt.config;
import cn.hutool.core.collection.CollectionUtil;
import com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration;
import com.baomidou.mybatisplus.autoconfigure.MybatisPlusProperties;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.io.Resources;
import org.dromara.common.encrypt.annotation.EncryptField;
import org.dromara.common.encrypt.core.EncryptorManager;
import org.dromara.common.encrypt.interceptor.MybatisDecryptInterceptor;
import org.dromara.common.encrypt.interceptor.MybatisEncryptInterceptor;
@ -8,7 +14,20 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
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.util.ClassUtils;
import java.lang.reflect.Field;
import java.util.*;
import java.util.stream.Collectors;
import static org.springframework.util.StringUtils.tokenizeToStringArray;
/**
* 加解密配置
@ -16,17 +35,66 @@ import org.springframework.context.annotation.Bean;
* @author 老马
* @version 4.6.0
*/
@AutoConfiguration
@AutoConfiguration(after = MybatisPlusAutoConfiguration.class)
@EnableConfigurationProperties(EncryptorProperties.class)
@ConditionalOnProperty(value = "mybatis-encryptor.enable", havingValue = "true")
@Slf4j
public class EncryptorAutoConfiguration {
@Autowired
private EncryptorProperties properties;
@Autowired
private MybatisPlusProperties mybatisPlusProperties;
@Bean
public EncryptorManager encryptorManager() {
return new EncryptorManager();
Map<Class<?>, Set<Field>> fieldCache = scanEncryptClasses(mybatisPlusProperties.getTypeAliasesPackage());
return new EncryptorManager(fieldCache);
}
// 通过typeAliasesPackage设置的扫描包,来确定哪些实体类进行缓存
private Map<Class<?>, Set<Field>> scanEncryptClasses(String typeAliasesPackage) {
Map<Class<?>, Set<Field>> fieldCache = new HashMap<>();
try {
String[] packagePatternArray = tokenizeToStringArray(typeAliasesPackage,
ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS);
for (String packagePattern : packagePatternArray) {
Resource[] resources = new PathMatchingResourcePatternResolver().getResources(ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX
+ ClassUtils.convertClassNameToResourcePath(packagePattern) + "/**/*.class");
for (Resource resource : resources) {
ClassMetadata classMetadata = new CachingMetadataReaderFactory().getMetadataReader(resource).getClassMetadata();
Class<?> clazz = Resources.classForName(classMetadata.getClassName());
Set<Field> encryptFieldSet = getEncryptFieldSetFromClazz(clazz);
if(CollectionUtil.isNotEmpty(encryptFieldSet)) {
fieldCache.put(clazz, encryptFieldSet);
}
}
}
}catch (Exception e) {
log.error("初始化数据安全缓存时出错:{}", e.getMessage());
}
return fieldCache;
}
// 获得一个类的加密字段集合
private Set<Field> getEncryptFieldSetFromClazz(Class<?> clazz) {
Set<Field> fieldSet = new HashSet<>();
// 判断clazz如果是接口,内部类,匿名类就直接返回
if (clazz.isInterface() || clazz.isMemberClass() || clazz.isAnonymousClass()) {
return fieldSet;
}
while (clazz != null) {
Field[] fields = clazz.getDeclaredFields();
fieldSet.addAll(Arrays.asList(fields));
clazz = clazz.getSuperclass();
}
fieldSet = fieldSet.stream().filter(field ->
field.isAnnotationPresent(EncryptField.class) && field.getType() == String.class)
.collect(Collectors.toSet());
for (Field field : fieldSet) {
field.setAccessible(true);
}
return fieldSet;
}
@Bean
@ -38,4 +106,8 @@ public class EncryptorAutoConfiguration {
public MybatisDecryptInterceptor mybatisDecryptInterceptor(EncryptorManager encryptorManager) {
return new MybatisDecryptInterceptor(encryptorManager, properties);
}
}

36
ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/core/EncryptorManager.java
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@ -1,16 +1,14 @@
package org.dromara.common.encrypt.core;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.ReflectUtil;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.dromara.common.encrypt.annotation.EncryptField;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
/**
* 加密管理类
@ -19,6 +17,7 @@ import java.util.stream.Collectors;
* @version 4.6.0
*/
@Slf4j
@NoArgsConstructor
public class EncryptorManager {
/**
@ -31,25 +30,24 @@ public class EncryptorManager {
*/
Map<Class<?>, Set<Field>> fieldCache = new ConcurrentHashMap<>();
/**
* 构造方法传入类加密字段缓存
*
* @param fieldCache 类加密字段缓存
*/
public EncryptorManager(Map<Class<?>, Set<Field>> fieldCache) {
this.fieldCache = fieldCache;
}
/**
* 获取类加密字段缓存
*/
public Set<Field> getFieldCache(Class<?> sourceClazz) {
return fieldCache.computeIfAbsent(sourceClazz, clazz -> {
Set<Field> fieldSet = new HashSet<>();
while (clazz != null) {
Field[] fields = clazz.getDeclaredFields();
fieldSet.addAll(Arrays.asList(fields));
clazz = clazz.getSuperclass();
}
fieldSet = fieldSet.stream().filter(field ->
field.isAnnotationPresent(EncryptField.class) && field.getType() == String.class)
.collect(Collectors.toSet());
for (Field field : fieldSet) {
field.setAccessible(true);
}
return fieldSet;
});
if(ObjectUtil.isNotNull(fieldCache)) {
return fieldCache.get(sourceClazz);
}
return null;
}
/**

4
ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/interceptor/MybatisDecryptInterceptor.java
View File

@ -73,7 +73,11 @@ public class MybatisDecryptInterceptor implements Interceptor {
list.forEach(this::decryptHandler);
return;
}
// 不在缓存中的类,就是没有加密注解的类(当然也有可能是typeAliasesPackage写错)
Set<Field> fields = encryptorManager.getFieldCache(sourceObject.getClass());
if(ObjectUtil.isNull(fields)){
return;
}
try {
for (Field field : fields) {
field.set(sourceObject, this.decryptField(Convert.toStr(field.get(sourceObject)), field));

4
ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/interceptor/MybatisEncryptInterceptor.java
View File

@ -82,7 +82,11 @@ public class MybatisEncryptInterceptor implements Interceptor {
list.forEach(this::encryptHandler);
return;
}
// 不在缓存中的类,就是没有加密注解的类(当然也有可能是typeAliasesPackage写错)
Set<Field> fields = encryptorManager.getFieldCache(sourceObject.getClass());
if(ObjectUtil.isNull(fields)){
return;
}
try {
for (Field field : fields) {
field.set(sourceObject, this.encryptField(Convert.toStr(field.get(sourceObject)), field));