// 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 migrations import ( "crypto/md5" "fmt" "io/ioutil" "math" "os" "path/filepath" "time" "code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/util" "xorm.io/xorm" ) func renameExistingUserAvatarName(x *xorm.Engine) error { sess := x.NewSession() defer sess.Close() type User struct { ID int64 `xorm:"pk autoincr"` LowerName string `xorm:"UNIQUE NOT NULL"` Avatar string } ticker := time.NewTicker(5 * time.Second) defer ticker.Stop() count, err := x.Count(new(User)) if err != nil { return err } log.Info("%d User Avatar(s) to migrate ...", count) deleteList := make(map[string]struct{}) start := 0 migrated := 0 for { if err := sess.Begin(); err != nil { return fmt.Errorf("session.Begin: %v", err) } users := make([]*User, 0, 50) if err := sess.Table("user").Asc("id").Limit(50, start).Find(&users); err != nil { return fmt.Errorf("select users from id [%d]: %v", start, err) } if len(users) == 0 { _ = sess.Rollback() break } log.Info("select users [%d - %d]", start, start+len(users)) start += 50 for _, user := range users { oldAvatar := user.Avatar if stat, err := os.Stat(filepath.Join(setting.Avatar.Path, oldAvatar)); err != nil || !stat.Mode().IsRegular() { if err == nil { err = fmt.Errorf("Error: \"%s\" is not a regular file", oldAvatar) } log.Warn("[user: %s] os.Stat: %v", user.LowerName, err) // avatar doesn't exist in the storage // no need to move avatar and update database // we can just skip this continue } newAvatar, err := copyOldAvatarToNewLocation(user.ID, oldAvatar) if err != nil { _ = sess.Rollback() return fmt.Errorf("[user: %s] %v", user.LowerName, err) } else if newAvatar == oldAvatar { continue } user.Avatar = newAvatar if _, err := sess.ID(user.ID).Cols("avatar").Update(user); err != nil { _ = sess.Rollback() return fmt.Errorf("[user: %s] user table update: %v", user.LowerName, err) } deleteList[filepath.Join(setting.Avatar.Path, oldAvatar)] = struct{}{} migrated++ select { case <-ticker.C: log.Info( "%d/%d (%2.0f%%) User Avatar(s) migrated (%d old avatars to be deleted) in %d batches. %d Remaining ...", migrated, count, float64(migrated)/float64(count)*100, len(deleteList), int(math.Ceil(float64(migrated)/float64(50))), count-int64(migrated)) default: } } if err := sess.Commit(); err != nil { _ = sess.Rollback() return fmt.Errorf("commit session: %v", err) } } deleteCount := len(deleteList) log.Info("Deleting %d old avatars ...", deleteCount) i := 0 for file := range deleteList { if err := util.Remove(file); err != nil { log.Warn("util.Remove: %v", err) } i++ select { case <-ticker.C: log.Info( "%d/%d (%2.0f%%) Old User Avatar(s) deleted. %d Remaining ...", i, deleteCount, float64(i)/float64(deleteCount)*100, deleteCount-i) default: } } log.Info("Completed migrating %d User Avatar(s) and deleting %d Old Avatars", count, deleteCount) return nil } // copyOldAvatarToNewLocation copies oldAvatar to newAvatarLocation // and returns newAvatar location func copyOldAvatarToNewLocation(userID int64, oldAvatar string) (string, error) { fr, err := os.Open(filepath.Join(setting.Avatar.Path, oldAvatar)) if err != nil { return "", fmt.Errorf("os.Open: %v", err) } defer fr.Close() data, err := ioutil.ReadAll(fr) if err != nil { return "", fmt.Errorf("ioutil.ReadAll: %v", err) } newAvatar := fmt.Sprintf("%x", md5.Sum([]byte(fmt.Sprintf("%d-%x", userID, md5.Sum(data))))) if newAvatar == oldAvatar { return newAvatar, nil } if err := ioutil.WriteFile(filepath.Join(setting.Avatar.Path, newAvatar), data, 0o666); err != nil { return "", fmt.Errorf("ioutil.WriteFile: %v", err) } return newAvatar, nil } ckport/stable27/47770 Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data
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