refactor(common-encrypt): 优化加解密处理流程

- 抽取 EncryptContextFactory 与 EncryptedFieldProcessor,统一加密上下文创建和字段处理逻辑
  - 修复 MyBatis 入参加密后未恢复原对象的问题,避免调用方对象被密文化
  - 移除结果解密拦截器对 MyBatis 内部 parameterHandler 的反射依赖
  - 优化 EncryptorManager 缓存 key 与懒加载字段扫描逻辑
  - CryptoFilter 改为构造注入 Spring MVC 依赖,避免请求期间动态获取 Bean
  - 修复请求/响应包装器字符集、流状态和响应头处理
  - 响应加密不再 reset 原始响应,避免丢失状态码和已有响应头
  - 为加密配置补充默认值和启动校验
This commit is contained in:
疯狂的狮子Li
2026-05-16 12:02:18 +08:00
parent df2015f6d0
commit 475618e960
12 changed files with 301 additions and 219 deletions
@@ -9,6 +9,8 @@ import org.springframework.boot.context.properties.EnableConfigurationProperties
import org.springframework.boot.web.servlet.FilterRegistration; import org.springframework.boot.web.servlet.FilterRegistration;
import org.springframework.boot.web.servlet.FilterRegistrationBean; import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
/** /**
* api 解密自动配置 * api 解密自动配置
@@ -27,8 +29,10 @@ public class ApiDecryptAutoConfiguration {
order = FilterRegistrationBean.HIGHEST_PRECEDENCE, order = FilterRegistrationBean.HIGHEST_PRECEDENCE,
dispatcherTypes = DispatcherType.REQUEST dispatcherTypes = DispatcherType.REQUEST
) )
public CryptoFilter cryptoFilter(ApiDecryptProperties properties) { public CryptoFilter cryptoFilter(ApiDecryptProperties properties,
return new CryptoFilter(properties); RequestMappingHandlerMapping requestMappingHandlerMapping,
HandlerExceptionResolver handlerExceptionResolver) {
return new CryptoFilter(properties, requestMappingHandlerMapping, handlerExceptionResolver);
} }
} }
@@ -3,7 +3,11 @@ package org.dromara.common.encrypt.config;
import com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration; import com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration;
import com.baomidou.mybatisplus.autoconfigure.MybatisPlusProperties; import com.baomidou.mybatisplus.autoconfigure.MybatisPlusProperties;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.encrypt.core.EncryptContextFactory;
import org.dromara.common.encrypt.core.EncryptedFieldProcessor;
import org.dromara.common.encrypt.core.EncryptorManager; import org.dromara.common.encrypt.core.EncryptorManager;
import org.dromara.common.encrypt.enums.AlgorithmType;
import org.dromara.common.encrypt.interceptor.MybatisDecryptInterceptor; import org.dromara.common.encrypt.interceptor.MybatisDecryptInterceptor;
import org.dromara.common.encrypt.interceptor.MybatisEncryptInterceptor; import org.dromara.common.encrypt.interceptor.MybatisEncryptInterceptor;
import org.dromara.common.encrypt.properties.EncryptorProperties; import org.dromara.common.encrypt.properties.EncryptorProperties;
@@ -16,8 +20,7 @@ import org.springframework.context.annotation.Bean;
/** /**
* 加解密配置 * 加解密配置
* *
* @author 老马 * @author Lion Li
* @version 4.6.0
*/ */
@AutoConfiguration(after = MybatisPlusAutoConfiguration.class) @AutoConfiguration(after = MybatisPlusAutoConfiguration.class)
@EnableConfigurationProperties(EncryptorProperties.class) @EnableConfigurationProperties(EncryptorProperties.class)
@@ -30,17 +33,42 @@ public class EncryptorAutoConfiguration {
@Bean @Bean
public EncryptorManager encryptorManager(MybatisPlusProperties mybatisPlusProperties) { public EncryptorManager encryptorManager(MybatisPlusProperties mybatisPlusProperties) {
validateEncryptorProperties(properties);
return new EncryptorManager(mybatisPlusProperties.getTypeAliasesPackage()); return new EncryptorManager(mybatisPlusProperties.getTypeAliasesPackage());
} }
@Bean @Bean
public MybatisEncryptInterceptor mybatisEncryptInterceptor(EncryptorManager encryptorManager) { public EncryptContextFactory encryptContextFactory() {
return new MybatisEncryptInterceptor(encryptorManager, properties); return new EncryptContextFactory(properties);
} }
@Bean @Bean
public MybatisDecryptInterceptor mybatisDecryptInterceptor(EncryptorManager encryptorManager) { public EncryptedFieldProcessor encryptedFieldProcessor(EncryptorManager encryptorManager, EncryptContextFactory encryptContextFactory) {
return new MybatisDecryptInterceptor(encryptorManager, properties); return new EncryptedFieldProcessor(encryptorManager, encryptContextFactory);
}
@Bean
public MybatisEncryptInterceptor mybatisEncryptInterceptor(EncryptedFieldProcessor encryptedFieldProcessor) {
return new MybatisEncryptInterceptor(encryptedFieldProcessor);
}
@Bean
public MybatisDecryptInterceptor mybatisDecryptInterceptor(EncryptedFieldProcessor encryptedFieldProcessor) {
return new MybatisDecryptInterceptor(encryptedFieldProcessor);
}
private void validateEncryptorProperties(EncryptorProperties properties) {
AlgorithmType algorithm = properties.getAlgorithm();
if (algorithm == AlgorithmType.AES || algorithm == AlgorithmType.SM4) {
if (StringUtils.isBlank(properties.getPassword())) {
throw new IllegalArgumentException("mybatis-encryptor.password 不能为空");
}
}
if (algorithm == AlgorithmType.RSA || algorithm == AlgorithmType.SM2) {
if (StringUtils.isAnyBlank(properties.getPublicKey(), properties.getPrivateKey())) {
throw new IllegalArgumentException("mybatis-encryptor.publicKey 与 privateKey 不能为空");
}
}
} }
} }
@@ -0,0 +1,40 @@
package org.dromara.common.encrypt.core;
import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.encrypt.annotation.EncryptField;
import org.dromara.common.encrypt.enums.AlgorithmType;
import org.dromara.common.encrypt.enums.EncodeType;
import org.dromara.common.encrypt.properties.EncryptorProperties;
import java.lang.reflect.Field;
/**
* 加密上下文工厂。
*
* @author Lion Li
*/
public class EncryptContextFactory {
private final EncryptorProperties defaultProperties;
public EncryptContextFactory(EncryptorProperties defaultProperties) {
this.defaultProperties = defaultProperties;
}
/**
* 根据字段注解和默认配置创建加密上下文。
*
* @param field 加密字段
* @return 加密上下文
*/
public EncryptContext create(Field field) {
EncryptField encryptField = field.getAnnotation(EncryptField.class);
EncryptContext encryptContext = new EncryptContext();
encryptContext.setAlgorithm(encryptField.algorithm() == AlgorithmType.DEFAULT ? defaultProperties.getAlgorithm() : encryptField.algorithm());
encryptContext.setEncode(encryptField.encode() == EncodeType.DEFAULT ? defaultProperties.getEncode() : encryptField.encode());
encryptContext.setPassword(StringUtils.isBlank(encryptField.password()) ? defaultProperties.getPassword() : encryptField.password());
encryptContext.setPrivateKey(StringUtils.isBlank(encryptField.privateKey()) ? defaultProperties.getPrivateKey() : encryptField.privateKey());
encryptContext.setPublicKey(StringUtils.isBlank(encryptField.publicKey()) ? defaultProperties.getPublicKey() : encryptField.publicKey());
return encryptContext;
}
}
@@ -0,0 +1,109 @@
package org.dromara.common.encrypt.core;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.ObjectUtil;
import lombok.extern.slf4j.Slf4j;
import java.lang.reflect.Field;
import java.util.*;
/**
* 加密字段处理器。
*
* @author Lion Li
*/
@Slf4j
public class EncryptedFieldProcessor {
private final EncryptorManager encryptorManager;
private final EncryptContextFactory contextFactory;
public EncryptedFieldProcessor(EncryptorManager encryptorManager, EncryptContextFactory contextFactory) {
this.encryptorManager = encryptorManager;
this.contextFactory = contextFactory;
}
/**
* 加密对象字段,并返回原始字段快照。
*
* @param sourceObject 待加密对象
* @return 原始字段快照
*/
public List<FieldSnapshot> encrypt(Object sourceObject) {
List<FieldSnapshot> snapshots = new ArrayList<>();
handle(sourceObject, Collections.newSetFromMap(new IdentityHashMap<>()), (target, field, value) -> {
String encrypt = encryptorManager.encrypt(value, contextFactory.create(field));
if (!Objects.equals(value, encrypt)) {
snapshots.add(new FieldSnapshot(target, field, value));
field.set(target, encrypt);
}
});
return snapshots;
}
/**
* 解密对象字段。
*
* @param sourceObject 待解密对象
*/
public void decrypt(Object sourceObject) {
handle(sourceObject, Collections.newSetFromMap(new IdentityHashMap<>()), (target, field, value) ->
field.set(target, encryptorManager.decrypt(value, contextFactory.create(field))));
}
private void handle(Object sourceObject, Set<Object> visited, FieldHandler fieldHandler) {
if (ObjectUtil.isNull(sourceObject) || sourceObject instanceof String || visited.contains(sourceObject)) {
return;
}
visited.add(sourceObject);
if (sourceObject instanceof Map<?, ?> map) {
new HashSet<>(map.values()).forEach(value -> handle(value, visited, fieldHandler));
return;
}
if (sourceObject instanceof Collection<?> collection) {
if (CollUtil.isEmpty(collection)) {
return;
}
collection.forEach(item -> handle(item, visited, fieldHandler));
return;
}
Set<Field> fields = encryptorManager.getFieldCache(sourceObject.getClass());
if (CollUtil.isEmpty(fields)) {
return;
}
try {
for (Field field : fields) {
String value = Convert.toStr(field.get(sourceObject));
if (ObjectUtil.isNotNull(value)) {
fieldHandler.handle(sourceObject, field, value);
}
}
} catch (Exception e) {
log.error("处理加密字段时出错", e);
}
}
@FunctionalInterface
private interface FieldHandler {
void handle(Object target, Field field, String value) throws IllegalAccessException;
}
/**
* 字段原始值快照。
*/
public record FieldSnapshot(Object target, Field field, Object value) {
/**
* 恢复原始字段值。
*/
public void restore() {
try {
field.set(target, value);
} catch (IllegalAccessException e) {
log.error("恢复加密字段时出错", e);
}
}
}
}
@@ -2,13 +2,13 @@ package org.dromara.common.encrypt.core;
import cn.hutool.core.collection.CollUtil; import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ReflectUtil; import cn.hutool.core.util.ReflectUtil;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.io.Resources; import org.apache.ibatis.io.Resources;
import org.dromara.common.core.constant.Constants; import org.dromara.common.core.constant.Constants;
import org.dromara.common.core.utils.ObjectUtils;
import org.dromara.common.core.utils.StringUtils; import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.encrypt.annotation.EncryptField; import org.dromara.common.encrypt.annotation.EncryptField;
import org.dromara.common.encrypt.enums.AlgorithmType;
import org.dromara.common.encrypt.enums.EncodeType;
import org.springframework.context.ConfigurableApplicationContext; import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.core.io.Resource; import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
@@ -28,17 +28,15 @@ import java.util.stream.Collectors;
/** /**
* 加密管理类 * 加密管理类
* *
* @author 老马 * @author Lion Li
* @version 4.6.0
*/ */
@Slf4j @Slf4j
@NoArgsConstructor
public class EncryptorManager { public class EncryptorManager {
/** /**
* 缓存加密器 * 缓存加密器
*/ */
Map<Integer, IEncryptor> encryptorMap = new ConcurrentHashMap<>(); Map<EncryptorCacheKey, IEncryptor> encryptorMap = new ConcurrentHashMap<>();
/** /**
* 类加密字段缓存 * 类加密字段缓存
@@ -59,7 +57,13 @@ public class EncryptorManager {
* 获取类加密字段缓存 * 获取类加密字段缓存
*/ */
public Set<Field> getFieldCache(Class<?> sourceClazz) { public Set<Field> getFieldCache(Class<?> sourceClazz) {
return ObjectUtils.notNullGetter(fieldCache, f -> f.get(sourceClazz)); if (sourceClazz == null || sourceClazz.isPrimitive() || sourceClazz.isArray()
|| sourceClazz.isEnum() || sourceClazz.isAnnotation()
|| ClassUtils.isPrimitiveOrWrapper(sourceClazz)
|| sourceClazz.getName().startsWith("java.")) {
return Set.of();
}
return fieldCache.computeIfAbsent(sourceClazz, this::getEncryptFieldSetFromClazz);
} }
/** /**
@@ -68,13 +72,9 @@ public class EncryptorManager {
* @param encryptContext 加密执行者需要的相关配置参数 * @param encryptContext 加密执行者需要的相关配置参数
*/ */
public IEncryptor registAndGetEncryptor(EncryptContext encryptContext) { public IEncryptor registAndGetEncryptor(EncryptContext encryptContext) {
int key = encryptContext.hashCode(); EncryptorCacheKey key = EncryptorCacheKey.of(encryptContext);
if (encryptorMap.containsKey(key)) { return encryptorMap.computeIfAbsent(key, cacheKey ->
return encryptorMap.get(key); ReflectUtil.newInstance(cacheKey.algorithm().getClazz(), encryptContext));
}
IEncryptor encryptor = ReflectUtil.newInstance(encryptContext.getAlgorithm().getClazz(), encryptContext);
encryptorMap.put(key, encryptor);
return encryptor;
} }
/** /**
@@ -83,7 +83,7 @@ public class EncryptorManager {
* @param encryptContext 加密执行者需要的相关配置参数 * @param encryptContext 加密执行者需要的相关配置参数
*/ */
public void removeEncryptor(EncryptContext encryptContext) { public void removeEncryptor(EncryptContext encryptContext) {
this.encryptorMap.remove(encryptContext.hashCode()); this.encryptorMap.remove(EncryptorCacheKey.of(encryptContext));
} }
/** /**
@@ -120,6 +120,9 @@ public class EncryptorManager {
* 通过 typeAliasesPackage 设置的扫描包 扫描缓存实体 * 通过 typeAliasesPackage 设置的扫描包 扫描缓存实体
*/ */
private void scanEncryptClasses(String typeAliasesPackage) { private void scanEncryptClasses(String typeAliasesPackage) {
if (StringUtils.isBlank(typeAliasesPackage)) {
return;
}
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
CachingMetadataReaderFactory factory = new CachingMetadataReaderFactory(); CachingMetadataReaderFactory factory = new CachingMetadataReaderFactory();
String[] packagePatternArray = StringUtils.splitPreserveAllTokens(typeAliasesPackage, ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS); String[] packagePatternArray = StringUtils.splitPreserveAllTokens(typeAliasesPackage, ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS);
@@ -149,7 +152,7 @@ public class EncryptorManager {
Set<Field> fieldSet = new HashSet<>(); Set<Field> fieldSet = new HashSet<>();
// 判断clazz如果是接口,内部类,匿名类就直接返回 // 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()) { if (clazz.isInterface() || clazz.isMemberClass() || clazz.isAnonymousClass()) {
return fieldSet; return Set.of();
} }
while (clazz != null) { while (clazz != null) {
Field[] fields = clazz.getDeclaredFields(); Field[] fields = clazz.getDeclaredFields();
@@ -165,4 +168,22 @@ public class EncryptorManager {
return fieldSet; return fieldSet;
} }
private record EncryptorCacheKey(
AlgorithmType algorithm,
EncodeType encode,
String password,
String publicKey,
String privateKey
) {
private static EncryptorCacheKey of(EncryptContext encryptContext) {
return new EncryptorCacheKey(
encryptContext.getAlgorithm(),
encryptContext.getEncode(),
encryptContext.getPassword(),
encryptContext.getPublicKey(),
encryptContext.getPrivateKey());
}
}
} }
@@ -6,7 +6,6 @@ import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse; import jakarta.servlet.http.HttpServletResponse;
import org.dromara.common.core.constant.HttpStatus; import org.dromara.common.core.constant.HttpStatus;
import org.dromara.common.core.exception.ServiceException; import org.dromara.common.core.exception.ServiceException;
import org.dromara.common.core.utils.SpringUtils;
import org.dromara.common.core.utils.StringUtils; import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.encrypt.annotation.ApiEncrypt; import org.dromara.common.encrypt.annotation.ApiEncrypt;
import org.dromara.common.encrypt.properties.ApiDecryptProperties; import org.dromara.common.encrypt.properties.ApiDecryptProperties;
@@ -27,9 +26,15 @@ import java.io.IOException;
*/ */
public class CryptoFilter implements Filter { public class CryptoFilter implements Filter {
private final ApiDecryptProperties properties; private final ApiDecryptProperties properties;
private final RequestMappingHandlerMapping requestMappingHandlerMapping;
private final HandlerExceptionResolver handlerExceptionResolver;
public CryptoFilter(ApiDecryptProperties properties) { public CryptoFilter(ApiDecryptProperties properties,
RequestMappingHandlerMapping requestMappingHandlerMapping,
HandlerExceptionResolver handlerExceptionResolver) {
this.properties = properties; this.properties = properties;
this.requestMappingHandlerMapping = requestMappingHandlerMapping;
this.handlerExceptionResolver = handlerExceptionResolver;
EncryptUtils.validateRsaPublicKey(properties.getPublicKey()); EncryptUtils.validateRsaPublicKey(properties.getPublicKey());
EncryptUtils.validateRsaPrivateKey(properties.getPrivateKey()); EncryptUtils.validateRsaPrivateKey(properties.getPrivateKey());
} }
@@ -55,8 +60,7 @@ public class CryptoFilter implements Filter {
} else { } else {
// 是否有注解,有就报错,没有放行 // 是否有注解,有就报错,没有放行
if (ObjectUtil.isNotNull(apiEncrypt)) { if (ObjectUtil.isNotNull(apiEncrypt)) {
HandlerExceptionResolver exceptionResolver = SpringUtils.getBean("handlerExceptionResolver", HandlerExceptionResolver.class); handlerExceptionResolver.resolveException(
exceptionResolver.resolveException(
servletRequest, servletResponse, null, servletRequest, servletResponse, null,
new ServiceException("没有访问权限,请联系管理员授权", HttpStatus.FORBIDDEN)); new ServiceException("没有访问权限,请联系管理员授权", HttpStatus.FORBIDDEN));
return; return;
@@ -75,7 +79,6 @@ public class CryptoFilter implements Filter {
ObjectUtil.defaultIfNull(responseWrapper, response)); ObjectUtil.defaultIfNull(responseWrapper, response));
if (responseFlag) { if (responseFlag) {
servletResponse.reset();
// 对原始内容加密 // 对原始内容加密
String encryptContent = responseBodyWrapper.getEncryptContent( String encryptContent = responseBodyWrapper.getEncryptContent(
servletResponse, properties.getPublicKey(), properties.getHeaderFlag()); servletResponse, properties.getPublicKey(), properties.getHeaderFlag());
@@ -88,10 +91,9 @@ public class CryptoFilter implements Filter {
* 获取 ApiEncrypt 注解 * 获取 ApiEncrypt 注解
*/ */
private ApiEncrypt getApiEncryptAnnotation(HttpServletRequest servletRequest) { private ApiEncrypt getApiEncryptAnnotation(HttpServletRequest servletRequest) {
RequestMappingHandlerMapping handlerMapping = SpringUtils.getBean("requestMappingHandlerMapping", RequestMappingHandlerMapping.class);
// 获取注解 // 获取注解
try { try {
HandlerExecutionChain mappingHandler = handlerMapping.getHandler(servletRequest); HandlerExecutionChain mappingHandler = requestMappingHandlerMapping.getHandler(servletRequest);
if (ObjectUtil.isNotNull(mappingHandler)) { if (ObjectUtil.isNotNull(mappingHandler)) {
Object handler = mappingHandler.getHandler(); Object handler = mappingHandler.getHandler();
if (ObjectUtil.isNotNull(handler)) { if (ObjectUtil.isNotNull(handler)) {
@@ -13,6 +13,7 @@ import java.io.BufferedReader;
import java.io.ByteArrayInputStream; import java.io.ByteArrayInputStream;
import java.io.IOException; import java.io.IOException;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
/** /**
@@ -41,7 +42,8 @@ public class DecryptRequestBodyWrapper extends HttpServletRequestWrapper {
@Override @Override
public BufferedReader getReader() { public BufferedReader getReader() {
return new BufferedReader(new InputStreamReader(getInputStream())); Charset charset = Charset.forName(getCharacterEncoding());
return new BufferedReader(new InputStreamReader(getInputStream(), charset));
} }
@@ -72,17 +74,17 @@ public class DecryptRequestBodyWrapper extends HttpServletRequestWrapper {
@Override @Override
public int available() { public int available() {
return body.length; return bais.available();
} }
@Override @Override
public boolean isFinished() { public boolean isFinished() {
return false; return bais.available() == 0;
} }
@Override @Override
public boolean isReady() { public boolean isReady() {
return false; return true;
} }
@Override @Override
@@ -1,6 +1,5 @@
package org.dromara.common.encrypt.filter; package org.dromara.common.encrypt.filter;
import cn.hutool.core.util.RandomUtil;
import jakarta.servlet.ServletOutputStream; import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.WriteListener; import jakarta.servlet.WriteListener;
import jakarta.servlet.http.HttpServletResponse; import jakarta.servlet.http.HttpServletResponse;
@@ -8,7 +7,10 @@ import jakarta.servlet.http.HttpServletResponseWrapper;
import org.dromara.common.encrypt.utils.EncryptUtils; import org.dromara.common.encrypt.utils.EncryptUtils;
import java.io.*; import java.io.*;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import java.security.SecureRandom;
import java.util.Base64;
/** /**
* 加密响应参数包装类 * 加密响应参数包装类
@@ -17,19 +19,26 @@ import java.nio.charset.StandardCharsets;
*/ */
public class EncryptResponseBodyWrapper extends HttpServletResponseWrapper { public class EncryptResponseBodyWrapper extends HttpServletResponseWrapper {
private static final SecureRandom SECURE_RANDOM = new SecureRandom();
private final ByteArrayOutputStream byteArrayOutputStream; private final ByteArrayOutputStream byteArrayOutputStream;
private final ServletOutputStream servletOutputStream; private final ServletOutputStream servletOutputStream;
private final PrintWriter printWriter; private PrintWriter printWriter;
private Charset charset;
public EncryptResponseBodyWrapper(HttpServletResponse response) throws IOException { public EncryptResponseBodyWrapper(HttpServletResponse response) throws IOException {
super(response); super(response);
this.byteArrayOutputStream = new ByteArrayOutputStream(); this.byteArrayOutputStream = new ByteArrayOutputStream();
this.servletOutputStream = this.getOutputStream(); this.servletOutputStream = this.getOutputStream();
this.printWriter = new PrintWriter(new OutputStreamWriter(byteArrayOutputStream)); this.charset = resolveCharset(response);
} }
@Override @Override
public PrintWriter getWriter() { public PrintWriter getWriter() {
if (printWriter == null) {
charset = resolveCharset((HttpServletResponse) getResponse());
printWriter = new PrintWriter(new OutputStreamWriter(byteArrayOutputStream, charset));
}
return printWriter; return printWriter;
} }
@@ -48,6 +57,11 @@ public class EncryptResponseBodyWrapper extends HttpServletResponseWrapper {
byteArrayOutputStream.reset(); byteArrayOutputStream.reset();
} }
@Override
public void resetBuffer() {
byteArrayOutputStream.reset();
}
public byte[] getResponseData() throws IOException { public byte[] getResponseData() throws IOException {
flushBuffer(); flushBuffer();
return byteArrayOutputStream.toByteArray(); return byteArrayOutputStream.toByteArray();
@@ -55,7 +69,7 @@ public class EncryptResponseBodyWrapper extends HttpServletResponseWrapper {
public String getContent() throws IOException { public String getContent() throws IOException {
flushBuffer(); flushBuffer();
return byteArrayOutputStream.toString(); return byteArrayOutputStream.toString(charset);
} }
/** /**
@@ -69,7 +83,7 @@ public class EncryptResponseBodyWrapper extends HttpServletResponseWrapper {
*/ */
public String getEncryptContent(HttpServletResponse servletResponse, String publicKey, String headerFlag) throws IOException { public String getEncryptContent(HttpServletResponse servletResponse, String publicKey, String headerFlag) throws IOException {
// 生成秘钥 // 生成秘钥
String aesPassword = RandomUtil.randomString(32); String aesPassword = generateAesPassword();
// 秘钥使用 Base64 编码 // 秘钥使用 Base64 编码
String encryptAes = EncryptUtils.encryptByBase64(aesPassword); String encryptAes = EncryptUtils.encryptByBase64(aesPassword);
// Rsa 公钥加密 Base64 编码 // Rsa 公钥加密 Base64 编码
@@ -78,16 +92,16 @@ public class EncryptResponseBodyWrapper extends HttpServletResponseWrapper {
// 设置响应头 // 设置响应头
// vue版本需要设置 // vue版本需要设置
servletResponse.addHeader("Access-Control-Expose-Headers", headerFlag); servletResponse.addHeader("Access-Control-Expose-Headers", headerFlag);
servletResponse.setHeader("Access-Control-Allow-Origin", "*");
servletResponse.setHeader("Access-Control-Allow-Methods", "*");
servletResponse.setHeader(headerFlag, encryptPassword); servletResponse.setHeader(headerFlag, encryptPassword);
servletResponse.setCharacterEncoding(StandardCharsets.UTF_8.toString()); servletResponse.setCharacterEncoding(charset.name());
// 获取原始内容 // 获取原始内容
String originalBody = this.getContent(); String originalBody = this.getContent();
// 对内容进行加密 // 对内容进行加密
return EncryptUtils.encryptByAes(originalBody, aesPassword); String encryptContent = EncryptUtils.encryptByAes(originalBody, aesPassword);
servletResponse.setContentLengthLong(encryptContent.getBytes(charset).length);
return encryptContent;
} }
@Override @Override
@@ -95,7 +109,7 @@ public class EncryptResponseBodyWrapper extends HttpServletResponseWrapper {
return new ServletOutputStream() { return new ServletOutputStream() {
@Override @Override
public boolean isReady() { public boolean isReady() {
return false; return true;
} }
@Override @Override
@@ -120,4 +134,18 @@ public class EncryptResponseBodyWrapper extends HttpServletResponseWrapper {
}; };
} }
private Charset resolveCharset(HttpServletResponse response) {
String characterEncoding = response.getCharacterEncoding();
if (characterEncoding == null) {
return StandardCharsets.UTF_8;
}
return Charset.forName(characterEncoding);
}
private String generateAesPassword() {
byte[] bytes = new byte[24];
SECURE_RANDOM.nextBytes(bytes);
return Base64.getEncoder().encodeToString(bytes);
}
} }
@@ -1,32 +1,18 @@
package org.dromara.common.encrypt.interceptor; package org.dromara.common.encrypt.interceptor;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.ObjectUtil;
import lombok.AllArgsConstructor; import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.executor.parameter.ParameterHandler;
import org.apache.ibatis.executor.resultset.ResultSetHandler; import org.apache.ibatis.executor.resultset.ResultSetHandler;
import org.apache.ibatis.plugin.*; import org.apache.ibatis.plugin.*;
import org.dromara.common.core.utils.StringUtils; import org.dromara.common.encrypt.core.EncryptedFieldProcessor;
import org.dromara.common.encrypt.annotation.EncryptField;
import org.dromara.common.encrypt.core.EncryptContext;
import org.dromara.common.encrypt.core.EncryptorManager;
import org.dromara.common.encrypt.enums.AlgorithmType;
import org.dromara.common.encrypt.enums.EncodeType;
import org.dromara.common.encrypt.properties.EncryptorProperties;
import java.lang.reflect.Field;
import java.sql.Statement; import java.sql.Statement;
import java.util.*; import java.util.Properties;
/** /**
* 出参解密拦截器 * 出参解密拦截器
* *
* @author 老马 * @author Lion Li
* @version 4.6.0
*/ */
@Slf4j
@Intercepts({@Signature( @Intercepts({@Signature(
type = ResultSetHandler.class, type = ResultSetHandler.class,
method = "handleResultSets", method = "handleResultSets",
@@ -35,91 +21,19 @@ import java.util.*;
@AllArgsConstructor @AllArgsConstructor
public class MybatisDecryptInterceptor implements Interceptor { public class MybatisDecryptInterceptor implements Interceptor {
private final EncryptorManager encryptorManager; private final EncryptedFieldProcessor encryptedFieldProcessor;
private final EncryptorProperties defaultProperties;
@Override @Override
public Object intercept(Invocation invocation) throws Throwable { public Object intercept(Invocation invocation) throws Throwable {
// 开始进行参数解密
ResultSetHandler resultSetHandler = (ResultSetHandler) invocation.getTarget();
Field parameterHandlerField = resultSetHandler.getClass().getDeclaredField("parameterHandler");
parameterHandlerField.setAccessible(true);
Object target = parameterHandlerField.get(resultSetHandler);
if (target instanceof ParameterHandler parameterHandler) {
Object parameterObject = parameterHandler.getParameterObject();
if (ObjectUtil.isNotNull(parameterObject) && !(parameterObject instanceof String)) {
this.decryptHandler(parameterObject);
}
}
// 获取执行mysql执行结果 // 获取执行mysql执行结果
Object result = invocation.proceed(); Object result = invocation.proceed();
if (result == null) { if (result == null) {
return null; return null;
} }
this.decryptHandler(result); encryptedFieldProcessor.decrypt(result);
return result; return result;
} }
/**
* 解密对象
*
* @param sourceObject 待加密对象
*/
private void decryptHandler(Object sourceObject) {
if (ObjectUtil.isNull(sourceObject)) {
return;
}
if (sourceObject instanceof Map<?, ?> map) {
new HashSet<>(map.values()).forEach(this::decryptHandler);
return;
}
if (sourceObject instanceof List<?> list) {
if(CollUtil.isEmpty(list)) {
return;
}
// 判断第一个元素是否含有注解如果没有直接返回提高效率
Object firstItem = list.get(0);
if (ObjectUtil.isNull(firstItem) || CollUtil.isEmpty(encryptorManager.getFieldCache(firstItem.getClass()))) {
return;
}
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));
}
} catch (Exception e) {
log.error("处理解密字段时出错", e);
}
}
/**
* 字段值进行加密通过字段的批注注册新的加密算法
*
* @param value 待加密的值
* @param field 待加密字段
* @return 加密后结果
*/
private String decryptField(String value, Field field) {
if (ObjectUtil.isNull(value)) {
return null;
}
EncryptField encryptField = field.getAnnotation(EncryptField.class);
EncryptContext encryptContext = new EncryptContext();
encryptContext.setAlgorithm(encryptField.algorithm() == AlgorithmType.DEFAULT ? defaultProperties.getAlgorithm() : encryptField.algorithm());
encryptContext.setEncode(encryptField.encode() == EncodeType.DEFAULT ? defaultProperties.getEncode() : encryptField.encode());
encryptContext.setPassword(StringUtils.isBlank(encryptField.password()) ? defaultProperties.getPassword() : encryptField.password());
encryptContext.setPrivateKey(StringUtils.isBlank(encryptField.privateKey()) ? defaultProperties.getPrivateKey() : encryptField.privateKey());
encryptContext.setPublicKey(StringUtils.isBlank(encryptField.publicKey()) ? defaultProperties.getPublicKey() : encryptField.publicKey());
return this.encryptorManager.decrypt(value, encryptContext);
}
@Override @Override
public Object plugin(Object target) { public Object plugin(Object target) {
return Plugin.wrap(target, this); return Plugin.wrap(target, this);
@@ -1,31 +1,20 @@
package org.dromara.common.encrypt.interceptor; package org.dromara.common.encrypt.interceptor;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.ObjectUtil; import cn.hutool.core.util.ObjectUtil;
import lombok.AllArgsConstructor; import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.executor.parameter.ParameterHandler; import org.apache.ibatis.executor.parameter.ParameterHandler;
import org.apache.ibatis.plugin.*; import org.apache.ibatis.plugin.*;
import org.dromara.common.core.utils.StringUtils; import org.dromara.common.encrypt.core.EncryptedFieldProcessor;
import org.dromara.common.encrypt.annotation.EncryptField;
import org.dromara.common.encrypt.core.EncryptContext;
import org.dromara.common.encrypt.core.EncryptorManager;
import org.dromara.common.encrypt.enums.AlgorithmType;
import org.dromara.common.encrypt.enums.EncodeType;
import org.dromara.common.encrypt.properties.EncryptorProperties;
import java.lang.reflect.Field;
import java.sql.PreparedStatement; import java.sql.PreparedStatement;
import java.util.*; import java.util.List;
import java.util.Properties;
/** /**
* 入参加密拦截器 * 入参加密拦截器
* *
* @author 老马 * @author Lion Li
* @version 4.6.0
*/ */
@Slf4j
@Intercepts({@Signature( @Intercepts({@Signature(
type = ParameterHandler.class, type = ParameterHandler.class,
method = "setParameters", method = "setParameters",
@@ -34,19 +23,25 @@ import java.util.*;
@AllArgsConstructor @AllArgsConstructor
public class MybatisEncryptInterceptor implements Interceptor { public class MybatisEncryptInterceptor implements Interceptor {
private final EncryptorManager encryptorManager; private final EncryptedFieldProcessor encryptedFieldProcessor;
private final EncryptorProperties defaultProperties;
@Override @Override
public Object intercept(Invocation invocation) throws Throwable { public Object intercept(Invocation invocation) throws Throwable {
List<EncryptedFieldProcessor.FieldSnapshot> snapshots = List.of();
Object target = invocation.getTarget(); Object target = invocation.getTarget();
if (target instanceof ParameterHandler parameterHandler) { if (target instanceof ParameterHandler parameterHandler) {
Object parameterObject = parameterHandler.getParameterObject(); Object parameterObject = parameterHandler.getParameterObject();
if (ObjectUtil.isNotNull(parameterObject) && !(parameterObject instanceof String)) { if (ObjectUtil.isNotNull(parameterObject) && !(parameterObject instanceof String)) {
this.encryptHandler(parameterObject); snapshots = encryptedFieldProcessor.encrypt(parameterObject);
}
}
try {
return invocation.proceed();
} finally {
for (EncryptedFieldProcessor.FieldSnapshot snapshot : snapshots) {
snapshot.restore();
} }
} }
return invocation.proceed();
} }
@Override @Override
@@ -54,67 +49,6 @@ public class MybatisEncryptInterceptor implements Interceptor {
return Plugin.wrap(target, this); return Plugin.wrap(target, this);
} }
/**
* 加密对象
*
* @param sourceObject 待加密对象
*/
private void encryptHandler(Object sourceObject) {
if (ObjectUtil.isNull(sourceObject)) {
return;
}
if (sourceObject instanceof Map<?, ?> map) {
new HashSet<>(map.values()).forEach(this::encryptHandler);
return;
}
if (sourceObject instanceof List<?> list) {
if(CollUtil.isEmpty(list)) {
return;
}
// 判断第一个元素是否含有注解如果没有直接返回提高效率
Object firstItem = list.get(0);
if (ObjectUtil.isNull(firstItem) || CollUtil.isEmpty(encryptorManager.getFieldCache(firstItem.getClass()))) {
return;
}
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));
}
} catch (Exception e) {
log.error("处理加密字段时出错", e);
}
}
/**
* 字段值进行加密通过字段的批注注册新的加密算法
*
* @param value 待加密的值
* @param field 待加密字段
* @return 加密后结果
*/
private String encryptField(String value, Field field) {
if (ObjectUtil.isNull(value)) {
return null;
}
EncryptField encryptField = field.getAnnotation(EncryptField.class);
EncryptContext encryptContext = new EncryptContext();
encryptContext.setAlgorithm(encryptField.algorithm() == AlgorithmType.DEFAULT ? defaultProperties.getAlgorithm() : encryptField.algorithm());
encryptContext.setEncode(encryptField.encode() == EncodeType.DEFAULT ? defaultProperties.getEncode() : encryptField.encode());
encryptContext.setPassword(StringUtils.isBlank(encryptField.password()) ? defaultProperties.getPassword() : encryptField.password());
encryptContext.setPrivateKey(StringUtils.isBlank(encryptField.privateKey()) ? defaultProperties.getPrivateKey() : encryptField.privateKey());
encryptContext.setPublicKey(StringUtils.isBlank(encryptField.publicKey()) ? defaultProperties.getPublicKey() : encryptField.publicKey());
return this.encryptorManager.encrypt(value, encryptContext);
}
@Override @Override
public void setProperties(Properties properties) { public void setProperties(Properties properties) {
} }
@@ -19,7 +19,7 @@ public class ApiDecryptProperties {
/** /**
* 头部标识 * 头部标识
*/ */
private String headerFlag; private String headerFlag = "encrypt-key";
/** /**
* 响应加密公钥 * 响应加密公钥
@@ -23,7 +23,7 @@ public class EncryptorProperties {
/** /**
* 默认算法 * 默认算法
*/ */
private AlgorithmType algorithm; private AlgorithmType algorithm = AlgorithmType.BASE64;
/** /**
* 安全秘钥 * 安全秘钥
@@ -43,6 +43,6 @@ public class EncryptorProperties {
/** /**
* 编码方式base64/hex * 编码方式base64/hex
*/ */
private EncodeType encode; private EncodeType encode = EncodeType.BASE64;
} }