155 lines
3.8 KiB
Go
155 lines
3.8 KiB
Go
// Copyright 2016 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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import (
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"fmt"
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"io"
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"mime/multipart"
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"os"
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"path"
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"code.gitea.io/gitea/modules/setting"
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gouuid "github.com/satori/go.uuid"
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"github.com/unknwon/com"
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)
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// ____ ___ .__ .___ ___________.___.__
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// | | \______ | | _________ __| _/ \_ _____/| | | ____ ______
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// | | /\____ \| | / _ \__ \ / __ | | __) | | | _/ __ \ / ___/
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// | | / | |_> > |_( <_> ) __ \_/ /_/ | | \ | | |_\ ___/ \___ \
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// |______/ | __/|____/\____(____ /\____ | \___ / |___|____/\___ >____ >
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// |__| \/ \/ \/ \/ \/
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//
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// Upload represent a uploaded file to a repo to be deleted when moved
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type Upload struct {
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ID int64 `xorm:"pk autoincr"`
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UUID string `xorm:"uuid UNIQUE"`
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Name string
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}
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// UploadLocalPath returns where uploads is stored in local file system based on given UUID.
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func UploadLocalPath(uuid string) string {
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return path.Join(setting.Repository.Upload.TempPath, uuid[0:1], uuid[1:2], uuid)
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}
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// LocalPath returns where uploads are temporarily stored in local file system.
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func (upload *Upload) LocalPath() string {
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return UploadLocalPath(upload.UUID)
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}
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// NewUpload creates a new upload object.
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func NewUpload(name string, buf []byte, file multipart.File) (_ *Upload, err error) {
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upload := &Upload{
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UUID: gouuid.NewV4().String(),
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Name: name,
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}
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localPath := upload.LocalPath()
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if err = os.MkdirAll(path.Dir(localPath), os.ModePerm); err != nil {
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return nil, fmt.Errorf("MkdirAll: %v", err)
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}
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fw, err := os.Create(localPath)
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if err != nil {
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return nil, fmt.Errorf("Create: %v", err)
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}
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defer fw.Close()
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if _, err = fw.Write(buf); err != nil {
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return nil, fmt.Errorf("Write: %v", err)
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} else if _, err = io.Copy(fw, file); err != nil {
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return nil, fmt.Errorf("Copy: %v", err)
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}
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if _, err := x.Insert(upload); err != nil {
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return nil, err
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}
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return upload, nil
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}
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// GetUploadByUUID returns the Upload by UUID
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func GetUploadByUUID(uuid string) (*Upload, error) {
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upload := &Upload{UUID: uuid}
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has, err := x.Get(upload)
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if err != nil {
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return nil, err
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} else if !has {
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return nil, ErrUploadNotExist{0, uuid}
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}
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return upload, nil
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}
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// GetUploadsByUUIDs returns multiple uploads by UUIDS
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func GetUploadsByUUIDs(uuids []string) ([]*Upload, error) {
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if len(uuids) == 0 {
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return []*Upload{}, nil
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}
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// Silently drop invalid uuids.
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uploads := make([]*Upload, 0, len(uuids))
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return uploads, x.In("uuid", uuids).Find(&uploads)
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}
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// DeleteUploads deletes multiple uploads
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func DeleteUploads(uploads ...*Upload) (err error) {
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if len(uploads) == 0 {
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return nil
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}
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sess := x.NewSession()
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defer sess.Close()
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if err = sess.Begin(); err != nil {
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return err
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}
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ids := make([]int64, len(uploads))
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for i := 0; i < len(uploads); i++ {
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ids[i] = uploads[i].ID
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}
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if _, err = sess.
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In("id", ids).
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Delete(new(Upload)); err != nil {
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return fmt.Errorf("delete uploads: %v", err)
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}
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if err = sess.Commit(); err != nil {
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return err
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}
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for _, upload := range uploads {
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localPath := upload.LocalPath()
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if !com.IsFile(localPath) {
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continue
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}
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if err := os.Remove(localPath); err != nil {
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return fmt.Errorf("remove upload: %v", err)
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}
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}
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return nil
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}
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// DeleteUploadByUUID deletes a upload by UUID
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func DeleteUploadByUUID(uuid string) error {
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upload, err := GetUploadByUUID(uuid)
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if err != nil {
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if IsErrUploadNotExist(err) {
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return nil
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}
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return fmt.Errorf("GetUploadByUUID: %v", err)
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}
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if err := DeleteUploads(upload); err != nil {
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return fmt.Errorf("DeleteUpload: %v", err)
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}
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return nil
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}
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