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// Copyright 2016 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"fmt"
"io"
"mime/multipart"
"os"
"path"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
gouuid "github.com/google/uuid"
)
// ____ ___ .__ .___ ___________.___.__
// | | \______ | | _________ __| _/ \_ _____/| | | ____ ______
// | | /\____ \| | / _ \__ \ / __ | | __) | | | _/ __ \ / ___/
// | | / | |_> > |_( <_> ) __ \_/ /_/ | | \ | | |_\ ___/ \___ \
// |______/ | __/|____/\____(____ /\____ | \___ / |___|____/\___ >____ >
// |__| \/ \/ \/ \/ \/
//
// Upload represent a uploaded file to a repo to be deleted when moved
type Upload struct {
ID int64 `xorm:"pk autoincr"`
UUID string `xorm:"uuid UNIQUE"`
Name string
}
func init() {
db.RegisterModel(new(Upload))
}
// UploadLocalPath returns where uploads is stored in local file system based on given UUID.
func UploadLocalPath(uuid string) string {
return path.Join(setting.Repository.Upload.TempPath, uuid[0:1], uuid[1:2], uuid)
}
// LocalPath returns where uploads are temporarily stored in local file system.
func (upload *Upload) LocalPath() string {
return UploadLocalPath(upload.UUID)
}
// NewUpload creates a new upload object.
func NewUpload(name string, buf []byte, file multipart.File) (_ *Upload, err error) {
upload := &Upload{
UUID: gouuid.New().String(),
Name: name,
}
localPath := upload.LocalPath()
if err = os.MkdirAll(path.Dir(localPath), os.ModePerm); err != nil {
return nil, fmt.Errorf("MkdirAll: %v", err)
}
fw, err := os.Create(localPath)
if err != nil {
return nil, fmt.Errorf("Create: %v", err)
}
defer fw.Close()
if _, err = fw.Write(buf); err != nil {
return nil, fmt.Errorf("Write: %v", err)
} else if _, err = io.Copy(fw, file); err != nil {
return nil, fmt.Errorf("Copy: %v", err)
}
if _, err := db.GetEngine(db.DefaultContext).Insert(upload); err != nil {
return nil, err
}
return upload, nil
}
// GetUploadByUUID returns the Upload by UUID
func GetUploadByUUID(uuid string) (*Upload, error) {
upload := &Upload{}
has, err := db.GetEngine(db.DefaultContext).Where("uuid=?", uuid).Get(upload)
if err != nil {
return nil, err
} else if !has {
return nil, ErrUploadNotExist{0, uuid}
}
return upload, nil
}
// GetUploadsByUUIDs returns multiple uploads by UUIDS
func GetUploadsByUUIDs(uuids []string) ([]*Upload, error) {
if len(uuids) == 0 {
return []*Upload{}, nil
}
// Silently drop invalid uuids.
uploads := make([]*Upload, 0, len(uuids))
return uploads, db.GetEngine(db.DefaultContext).In("uuid", uuids).Find(&uploads)
}
// DeleteUploads deletes multiple uploads
func DeleteUploads(uploads ...*Upload) (err error) {
if len(uploads) == 0 {
return nil
}
sess := db.NewSession(db.DefaultContext)
defer sess.Close()
if err = sess.Begin(); err != nil {
return err
}
ids := make([]int64, len(uploads))
for i := 0; i < len(uploads); i++ {
ids[i] = uploads[i].ID
}
if _, err = sess.
In("id", ids).
Delete(new(Upload)); err != nil {
return fmt.Errorf("delete uploads: %v", err)
}
if err = sess.Commit(); err != nil {
return err
}
for _, upload := range uploads {
localPath := upload.LocalPath()
isFile, err := util.IsFile(localPath)
if err != nil {
log.Error("Unable to check if %s is a file. Error: %v", localPath, err)
}
if !isFile {
continue
}
if err := util.Remove(localPath); err != nil {
return fmt.Errorf("remove upload: %v", err)
}
}
return nil
}
// DeleteUploadByUUID deletes a upload by UUID
func DeleteUploadByUUID(uuid string) error {
upload, err := GetUploadByUUID(uuid)
if err != nil {
if IsErrUploadNotExist(err) {
return nil
}
return fmt.Errorf("GetUploadByUUID: %v", err)
}
if err := DeleteUploads(upload); err != nil {
return fmt.Errorf("DeleteUpload: %v", err)
}
return nil
}
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