fix version 1
This commit is contained in:
@@ -35,6 +35,13 @@ func CreatePrivateData(ctx context.Context, in *pb.CreatePrivateDataRequest) (re
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}
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// logic code
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// 使用服务端密钥加密资料内容后落库,客户端传入的 is_encrypted 不再作为依据
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encryptedData, err := encryptPrivateData(in.Data)
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if err != nil {
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printer.Error("Encrypt private data error: %v", err)
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return nil, err
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}
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record := models.CloudPrivate{
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Std_IICUDS: types.Std_IICUDS{
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Identity: utils.UUID(),
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@@ -50,8 +57,8 @@ func CreatePrivateData(ctx context.Context, in *pb.CreatePrivateDataRequest) (re
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DataType: in.DataType,
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Title: in.Title,
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Description: in.Description,
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Data: in.Data,
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IsEncrypted: in.IsEncrypted,
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Data: encryptedData,
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IsEncrypted: true,
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Tags: in.Tags,
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}
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73
module/base/cloud/internal/logic/private/crypto.go
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73
module/base/cloud/internal/logic/private/crypto.go
Normal file
@@ -0,0 +1,73 @@
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package private
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import (
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"os"
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"strings"
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"git.apinb.com/bsm-sdk/core/crypto/aes"
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"git.apinb.com/bsm-sdk/core/errcode"
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"git.apinb.com/bsm-sdk/core/printer"
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)
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// privateDataKey 返回服务端持有的私人资料加密密钥,仅从环境变量 BSM_CloudPrivateKey 读取。
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// 请求参数中传入的密钥一律不作为服务端密钥使用;
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// 未配置或长度不足时直接报错,禁止回退到公开默认值(否则等同于未加密)。
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func privateDataKey() ([]byte, error) {
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secret := strings.TrimSpace(os.Getenv("BSM_CloudPrivateKey"))
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if secret == "" {
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printer.Error("环境变量 BSM_CloudPrivateKey 未配置,私人资料加密不可用")
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return nil, errcode.ErrInternal
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}
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key := []byte(secret)
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switch {
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case len(key) >= 32:
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return key[:32], nil
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case len(key) >= 24:
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return key[:24], nil
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case len(key) >= 16:
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return key[:16], nil
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default:
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printer.Error("环境变量 BSM_CloudPrivateKey 长度不足 16 字节,私人资料加密不可用")
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return nil, errcode.ErrInternal
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}
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}
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// encryptPrivateData 使用服务端密钥加密私人资料内容,返回十六进制密文
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func encryptPrivateData(plain string) (string, error) {
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key, err := privateDataKey()
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if err != nil {
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return "", err
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}
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cipherText, err := aes.AESGCMEncrypt([]byte(plain), key)
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if err != nil {
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return "", errcode.ErrInternal
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}
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return cipherText, nil
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}
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// decryptPrivateData 使用服务端密钥解密私人资料内容
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func decryptPrivateData(cipherText string) (string, error) {
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key, err := privateDataKey()
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if err != nil {
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return "", err
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}
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plain, err := aes.AESGCMDecrypt(cipherText, key)
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if err != nil {
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return "", errcode.ErrInternal
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}
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return string(plain), nil
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}
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// decryptPrivateDataForRead 读取私人资料时解密内容。
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// 历史记录未由服务端加密(或标记与内容不符)时按原值返回,避免旧数据不可读。
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func decryptPrivateDataForRead(data string, isEncrypted bool) string {
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if !isEncrypted || data == "" {
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return data
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}
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plain, err := decryptPrivateData(data)
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if err != nil {
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return data
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}
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return plain
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}
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@@ -2,18 +2,16 @@ package private
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import (
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"context"
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"crypto/aes"
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"crypto/cipher"
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"encoding/base64"
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"strings"
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"time"
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pb "bsm/full/module/base/cloud/pb"
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"git.apinb.com/bsm-sdk/core/errcode"
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"git.apinb.com/bsm-sdk/core/printer"
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"git.apinb.com/bsm-sdk/core/service"
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)
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// 解密数据
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// 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)
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func DecryptData(ctx context.Context, in *pb.DataRequest) (reply *pb.StatusReply, err error) {
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// parse authorization meta.
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_, err = service.ParseMetaCtx(ctx, nil)
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@@ -25,57 +23,16 @@ func DecryptData(ctx context.Context, in *pb.DataRequest) (reply *pb.StatusReply
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if strings.TrimSpace(in.Data) == "" {
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return nil, errcode.ErrInvalidArgument
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}
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if strings.TrimSpace(in.Key) == "" {
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return nil, errcode.ErrInvalidArgument
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}
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// logic code
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// 解码base64数据
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ciphertext, err := base64.StdEncoding.DecodeString(in.Data)
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if err != nil {
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return nil, errcode.ErrInvalidArgument
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}
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key := []byte(in.Key)
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if len(key) != 32 {
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// 如果密钥长度不是32字节,进行填充或截断
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if len(key) < 32 {
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for len(key) < 32 {
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key = append(key, 0)
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}
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} else {
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key = key[:32]
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}
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}
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block, err := aes.NewCipher(key)
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if err != nil {
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return nil, errcode.ErrInternal
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}
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// 使用GCM模式进行解密
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gcm, err := cipher.NewGCM(block)
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if err != nil {
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return nil, errcode.ErrInternal
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}
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// 检查数据长度
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if len(ciphertext) < gcm.NonceSize() {
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return nil, errcode.ErrInvalidArgument
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}
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// 分离nonce和密文
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nonce := ciphertext[:gcm.NonceSize()]
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ciphertext = ciphertext[gcm.NonceSize():]
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// 解密数据
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plaintext, err := gcm.Open(nil, nonce, ciphertext, nil)
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plainData, err := decryptPrivateData(in.Data)
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if err != nil {
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printer.Error("Decrypt data error: %v", err)
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return nil, errcode.ErrInvalidArgument
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}
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return &pb.StatusReply{
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Details: string(plaintext),
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Details: plainData,
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Timeseq: time.Now().UnixMilli(),
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}, nil
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}
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@@ -2,20 +2,16 @@ package private
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import (
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"context"
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"encoding/base64"
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"io"
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"strings"
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"time"
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pb "bsm/full/module/base/cloud/pb"
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"git.apinb.com/bsm-sdk/core/errcode"
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"git.apinb.com/bsm-sdk/core/printer"
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"git.apinb.com/bsm-sdk/core/service"
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)
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// 加密数据
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// 加密数据(使用服务端密钥,客户端传入的 Key 不再作为服务端密钥)
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func EncryptData(ctx context.Context, in *pb.DataRequest) (reply *pb.StatusReply, err error) {
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// parse authorization meta.
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_, err = service.ParseMetaCtx(ctx, nil)
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@@ -27,47 +23,14 @@ func EncryptData(ctx context.Context, in *pb.DataRequest) (reply *pb.StatusReply
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if strings.TrimSpace(in.Data) == "" {
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return nil, errcode.ErrInvalidArgument
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}
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if strings.TrimSpace(in.Key) == "" {
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return nil, errcode.ErrInvalidArgument
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}
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// logic code
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// 简单的AES加密实现
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key := []byte(in.Key)
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if len(key) != 32 {
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// 如果密钥长度不是32字节,进行填充或截断
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if len(key) < 32 {
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for len(key) < 32 {
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key = append(key, 0)
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}
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} else {
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key = key[:32]
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}
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}
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block, err := aes.NewCipher(key)
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encryptedData, err := encryptPrivateData(in.Data)
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if err != nil {
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printer.Error("Encrypt data error: %v", err)
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return nil, errcode.ErrInternal
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}
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// 使用GCM模式进行加密
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gcm, err := cipher.NewGCM(block)
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if err != nil {
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return nil, errcode.ErrInternal
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}
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// 生成随机nonce
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nonce := make([]byte, gcm.NonceSize())
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if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
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return nil, errcode.ErrInternal
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}
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// 加密数据
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ciphertext := gcm.Seal(nonce, nonce, []byte(in.Data), nil)
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// 返回base64编码的加密数据
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encryptedData := base64.StdEncoding.EncodeToString(ciphertext)
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return &pb.StatusReply{
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Details: encryptedData,
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Timeseq: time.Now().UnixMilli(),
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@@ -46,7 +46,7 @@ func GetPrivateData(ctx context.Context, in *pb.IdentRequest) (reply *pb.CloudPr
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DataType: privateData.DataType,
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Title: privateData.Title,
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Description: privateData.Description,
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Data: privateData.Data,
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Data: decryptPrivateDataForRead(privateData.Data, privateData.IsEncrypted),
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IsEncrypted: privateData.IsEncrypted,
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Tags: privateData.Tags,
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CreatedAt: privateData.CreatedAt.Format(time.RFC3339),
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@@ -65,7 +65,7 @@ func GetPrivateDataByType(ctx context.Context, in *pb.FetchRequest) (reply *pb.L
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DataType: data.DataType,
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Title: data.Title,
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Description: data.Description,
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Data: data.Data,
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Data: decryptPrivateDataForRead(data.Data, data.IsEncrypted),
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IsEncrypted: data.IsEncrypted,
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Tags: data.Tags,
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CreatedAt: data.CreatedAt.Format(time.RFC3339),
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@@ -54,7 +54,7 @@ func ListPrivateData(ctx context.Context, in *pb.FetchRequest) (reply *pb.ListPr
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DataType: data.DataType,
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Title: data.Title,
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Description: data.Description,
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Data: data.Data,
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Data: decryptPrivateDataForRead(data.Data, data.IsEncrypted),
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IsEncrypted: data.IsEncrypted,
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Tags: data.Tags,
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CreatedAt: data.CreatedAt.Format(time.RFC3339),
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@@ -64,7 +64,7 @@ func SearchPrivateData(ctx context.Context, in *pb.FetchRequest) (reply *pb.List
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DataType: data.DataType,
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Title: data.Title,
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Description: data.Description,
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Data: data.Data,
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Data: decryptPrivateDataForRead(data.Data, data.IsEncrypted),
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IsEncrypted: data.IsEncrypted,
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Tags: data.Tags,
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CreatedAt: data.CreatedAt.Format(time.RFC3339),
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@@ -48,12 +48,19 @@ func UpdatePrivateData(ctx context.Context, in *pb.CloudPrivateItem) (reply *pb.
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return nil, errcode.ErrInvalidArgument
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}
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// 使用服务端密钥加密资料内容后落库,客户端传入的 is_encrypted 不再作为依据
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encryptedData, err := encryptPrivateData(in.Data)
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if err != nil {
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printer.Error("Encrypt private data error: %v", err)
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return nil, err
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}
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// 更新字段
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privateData.DataType = in.DataType
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privateData.Title = in.Title
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privateData.Description = in.Description
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privateData.Data = in.Data
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privateData.IsEncrypted = in.IsEncrypted
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privateData.Data = encryptedData
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privateData.IsEncrypted = true
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privateData.Tags = in.Tags
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if err := impl.DBService.Save(&privateData).Error; err != nil {
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Block a user