feat(data): 添加数据加解密功能

- 新增 AesEncryptionUtil 类实现 AES 加解密- 添加 EncryptionAspect 切面处理加密请求
- 创建 EncryptionMapping 注解用于标记加密接口
-定义 EncryptionReqDto 请求 DTO- 生成 UUID 工具类
- 标记旧的 AESEncryptionUtil 类为过时

src/main/java/com/zcloud/modules/data/aop/AesEncryptionUtil.java

@@ -0,0 +1,41 @@
+package com.zcloud.modules.data.aop;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+/**
+ * @author fangjiakai
+ * @date 2024/7/16 17:34
+ */
+public class AesEncryptionUtil {
+    private static final String ALGORITHM = "AES/ECB/PKCS5Padding"; // PKCS5Padding在Java中等同于PKCS7Padding
+    private static final String SECRET_KEY = "23b174c252ffe72b"; // 必须是16, 24, or 32 bytes long for AES-128, AES-192 or AES-256
+
+    public static String encrypt(String key , String plainText) throws Exception {
+        byte[] keyBytes = key.getBytes(StandardCharsets.UTF_8);
+        SecretKeySpec keySpec = new SecretKeySpec(keyBytes, "AES");
+
+        Cipher cipher = Cipher.getInstance(ALGORITHM);
+        cipher.init(Cipher.ENCRYPT_MODE, keySpec);
+
+        byte[] encrypted = cipher.doFinal(plainText.getBytes(StandardCharsets.UTF_8));
+        return Base64.getEncoder().encodeToString(encrypted);
+    }
+    public static String decrypt(String encryptedText) throws Exception {
+        return decrypt(encryptedText,SECRET_KEY);
+    }
+
+    public static String decrypt(String key,String encryptedText) throws Exception {
+        byte[] keyBytes = key.getBytes(StandardCharsets.UTF_8);
+        SecretKeySpec keySpec = new SecretKeySpec(keyBytes, "AES");
+
+        Cipher cipher = Cipher.getInstance(ALGORITHM);
+        cipher.init(Cipher.DECRYPT_MODE, keySpec);
+
+        byte[] decodedBytes = Base64.getDecoder().decode(encryptedText);
+        byte[] decrypted = cipher.doFinal(decodedBytes);
+        return new String(decrypted, StandardCharsets.UTF_8);
+    }
+}

src/main/java/com/zcloud/modules/data/aop/EncryptionAspect.java

@@ -0,0 +1,49 @@
+package com.zcloud.modules.data.aop;
+
+import com.alibaba.fastjson.JSONObject;
+import com.zcloud.common.utils.R;
+import com.zcloud.modules.data.dto.system.EncryptionReqDto;
+import lombok.extern.java.Log;
+import org.apache.commons.lang.StringUtils;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+
+import javax.servlet.http.HttpServletRequest;
+
+
+@Aspect
+@Component
+@Log
+public class EncryptionAspect {
+
+    @Around("@annotation(EncryptionMapping)")
+    public Object decryptAround(ProceedingJoinPoint joinPoint) throws Throwable {
+        // 获取请求参数（假设参数为JSON字符串）
+        Object[] args = joinPoint.getArgs();
+        String encryptedData = (String) args[0];
+        if (encryptedData == null){
+            return R.error("参数不能为空");
+        }
+
+        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
+        if (attributes == null){
+            return R.error("系统异常：1000");
+        }
+        HttpServletRequest request = attributes.getRequest();
+
+        String headerValue = request.getHeader("");
+        EncryptionReqDto reqDto = JSONObject.parseObject(encryptedData, EncryptionReqDto.class);
+        if (StringUtils.isEmpty(reqDto.getData())){
+            return R.error("系统异常：2000");
+        }
+        // 解密请求参数
+        String decryptedData = AesEncryptionUtil.decrypt(reqDto.getData());
+        // 替换原始参数为解密后的数据
+        args[0] = decryptedData;
+        return joinPoint.proceed(args);
+    }
+}

src/main/java/com/zcloud/modules/data/aop/EncryptionMapping.java

@@ -0,0 +1,59 @@
+package com.zcloud.modules.data.aop;
+
+import org.springframework.core.annotation.AliasFor;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import java.lang.annotation.*;
+
+/**
+ * 用于加解密的接口注解
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@RequestMapping(method = RequestMethod.POST)
+public @interface EncryptionMapping {
+
+    /**
+     * Alias for {@link RequestMapping#name}.
+     */
+    @AliasFor(annotation = RequestMapping.class)
+    String name() default "";
+
+    /**
+     * Alias for {@link RequestMapping#value}.
+     */
+    @AliasFor(annotation = RequestMapping.class)
+    String[] value() default {};
+
+    /**
+     * Alias for {@link RequestMapping#path}.
+     */
+    @AliasFor(annotation = RequestMapping.class)
+    String[] path() default {};
+
+    /**
+     * Alias for {@link RequestMapping#params}.
+     */
+    @AliasFor(annotation = RequestMapping.class)
+    String[] params() default {};
+
+    /**
+     * Alias for {@link RequestMapping#headers}.
+     */
+    @AliasFor(annotation = RequestMapping.class)
+    String[] headers() default {};
+
+    /**
+     * Alias for {@link RequestMapping#consumes}.
+     */
+    @AliasFor(annotation = RequestMapping.class)
+    String[] consumes() default {};
+
+    /**
+     * Alias for {@link RequestMapping#produces}.
+     */
+    @AliasFor(annotation = RequestMapping.class)
+    String[] produces() default {};
+}

src/main/java/com/zcloud/modules/data/dto/system/EncryptionReqDto.java

@@ -0,0 +1,12 @@
+package com.zcloud.modules.data.dto.system;
+
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+
+@Data
+public class EncryptionReqDto {
+
+    @NotBlank(message = "数据不能为空")
+    private String data;
+}

src/main/java/com/zcloud/modules/data/service/hebei/dj/util/AESEncryptionUtil.java

@@ -25,6 +25,7 @@ public final class AESEncryptionUtil {
      *
      * @return AES 秘钥
      */
+    @Deprecated
     public static String getKey() {
         return Stream.generate(() -> Character.toString(CHAR_BASE[(int) (Math.random() * CHAR_BASE.length)]))
                 .limit(16).collect(Collectors.joining());

src/main/java/com/zcloud/modules/util/UuidUtil.java

@@ -0,0 +1,15 @@
+package com.zcloud.modules.util;
+
+import java.util.UUID;
+
+/**
+ * 说明：生成UUID(32位不重复的字符串)
+
+
+ */
+public class UuidUtil {
+
+	public static String get32UUID() {
+        return UUID.randomUUID().toString().trim().replaceAll("-", "");
+	}
+}