fix version 1

module/base/cloud/internal/logic/private/decrypt_data.go

@@ -2,18 +2,16 @@ package private
 
 import (
 	"context"
-	"crypto/aes"
-	"crypto/cipher"
-	"encoding/base64"
 	"strings"
 	"time"
 
 	pb "bsm/full/module/base/cloud/pb"
 	"git.apinb.com/bsm-sdk/core/errcode"
+	"git.apinb.com/bsm-sdk/core/printer"
 	"git.apinb.com/bsm-sdk/core/service"
 )
 
-// 解密数据
+// 解密数据（使用服务端密钥，客户端传入的 Key 不再作为服务端密钥）
 func DecryptData(ctx context.Context, in *pb.DataRequest) (reply *pb.StatusReply, err error) {
 	// parse authorization meta.
 	_, err = service.ParseMetaCtx(ctx, nil)
@@ -25,57 +23,16 @@ func DecryptData(ctx context.Context, in *pb.DataRequest) (reply *pb.StatusReply
 	if strings.TrimSpace(in.Data) == "" {
 		return nil, errcode.ErrInvalidArgument
 	}
-	if strings.TrimSpace(in.Key) == "" {
-		return nil, errcode.ErrInvalidArgument
-	}
 
 	// logic code
-	// 解码base64数据
-	ciphertext, err := base64.StdEncoding.DecodeString(in.Data)
-	if err != nil {
-		return nil, errcode.ErrInvalidArgument
-	}
-
-	key := []byte(in.Key)
-	if len(key) != 32 {
-		// 如果密钥长度不是32字节，进行填充或截断
-		if len(key) < 32 {
-			for len(key) < 32 {
-				key = append(key, 0)
-			}
-		} else {
-			key = key[:32]
-		}
-	}
-
-	block, err := aes.NewCipher(key)
-	if err != nil {
-		return nil, errcode.ErrInternal
-	}
-
-	// 使用GCM模式进行解密
-	gcm, err := cipher.NewGCM(block)
-	if err != nil {
-		return nil, errcode.ErrInternal
-	}
-
-	// 检查数据长度
-	if len(ciphertext) < gcm.NonceSize() {
-		return nil, errcode.ErrInvalidArgument
-	}
-
-	// 分离nonce和密文
-	nonce := ciphertext[:gcm.NonceSize()]
-	ciphertext = ciphertext[gcm.NonceSize():]
-
-	// 解密数据
-	plaintext, err := gcm.Open(nil, nonce, ciphertext, nil)
+	plainData, err := decryptPrivateData(in.Data)
 	if err != nil {
+		printer.Error("Decrypt data error: %v", err)
 		return nil, errcode.ErrInvalidArgument
 	}
 
 	return &pb.StatusReply{
-		Details: string(plaintext),
+		Details: plainData,
 		Timeseq: time.Now().UnixMilli(),
 	}, nil
 }