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add SHA-1 hash calculation for file uploads and update related API and model structures

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nyne
2025-05-16 15:16:01 +08:00
parent a827b67c41
commit 5431328515
8 changed files with 174 additions and 20 deletions
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25
server/service/file.go
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@@ -1,6 +1,8 @@
package service
import (
"crypto/sha1"
"encoding/hex"
"nysoure/server/config"
"nysoure/server/dao"
"nysoure/server/model"
@@ -82,10 +84,13 @@ func init() {
}()
}
func CreateUploadingFile(uid uint, filename string, description string, fileSize int64, resourceID, storageID uint) (*model.UploadingFileView, error) {
func CreateUploadingFile(uid uint, filename string, description string, fileSize int64, resourceID, storageID uint, sha1Str string) (*model.UploadingFileView, error) {
if filename == "" {
return nil, model.NewRequestError("filename is empty")
}
if sha1Str == "" {
return nil, model.NewRequestError("sha1 is empty")
}
if len([]rune(filename)) > 128 {
return nil, model.NewRequestError("filename is too long")
}
@@ -113,7 +118,7 @@ func CreateUploadingFile(uid uint, filename string, description string, fileSize
log.Error("failed to create temp dir: ", err)
return nil, model.NewInternalServerError("failed to create temp dir")
}
uploadingFile, err := dao.CreateUploadingFile(filename, description, fileSize, blockSize, tempPath, resourceID, storageID, uid)
uploadingFile, err := dao.CreateUploadingFile(filename, description, fileSize, blockSize, tempPath, resourceID, storageID, uid, sha1Str)
if err != nil {
log.Error("failed to create uploading file: ", err)
_ = os.Remove(tempPath)
@@ -197,6 +202,8 @@ func FinishUploadingFile(uid uint, fid uint) (*model.FileView, error) {
return nil, model.NewInternalServerError("failed to finish uploading file. please re-upload")
}
h := sha1.New()
for i := 0; i < uploadingFile.BlocksCount(); i++ {
blockPath := filepath.Join(uploadingFile.TempPath, strconv.Itoa(i))
data, err := os.ReadFile(blockPath)
@@ -206,6 +213,13 @@ func FinishUploadingFile(uid uint, fid uint) (*model.FileView, error) {
_ = os.Remove(resultFilePath)
return nil, model.NewInternalServerError("failed to finish uploading file. please re-upload")
}
_, err = h.Write(data)
if err != nil {
log.Error("failed to write block data to sha1: ", err)
_ = file.Close()
_ = os.Remove(resultFilePath)
return nil, model.NewInternalServerError("failed to finish uploading file. please re-upload")
}
if _, err := file.Write(data); err != nil {
log.Error("failed to write result file: ", err)
_ = file.Close()
@@ -218,6 +232,13 @@ func FinishUploadingFile(uid uint, fid uint) (*model.FileView, error) {
_ = os.RemoveAll(uploadingFile.TempPath)
tempRemoved = true
sum := h.Sum(nil)
sumStr := hex.EncodeToString(sum)
if sumStr != uploadingFile.Sha1 {
_ = os.Remove(resultFilePath)
return nil, model.NewRequestError("sha1 checksum is not correct")
}
s, err := dao.GetStorage(uploadingFile.TargetStorageID)
if err != nil {
log.Error("failed to get storage: ", err)