112 lines
2.9 KiB
Go
112 lines
2.9 KiB
Go
// 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 migrations
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import (
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"crypto/md5"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"xorm.io/xorm"
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)
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func renameExistingUserAvatarName(x *xorm.Engine) error {
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sess := x.NewSession()
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defer sess.Close()
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type User struct {
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ID int64 `xorm:"pk autoincr"`
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LowerName string `xorm:"UNIQUE NOT NULL"`
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Avatar string
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}
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deleteList := make(map[string]struct{})
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start := 0
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for {
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if err := sess.Begin(); err != nil {
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return fmt.Errorf("session.Begin: %v", err)
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}
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users := make([]*User, 0, 50)
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if err := sess.Table("user").Asc("id").Limit(50, start).Find(&users); err != nil {
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return fmt.Errorf("select users from id [%d]: %v", start, err)
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}
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if len(users) == 0 {
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_ = sess.Rollback()
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break
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}
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log.Info("select users [%d - %d]", start, start+len(users))
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start += 50
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for _, user := range users {
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oldAvatar := user.Avatar
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if _, err := os.Stat(filepath.Join(setting.AvatarUploadPath, oldAvatar)); err != nil {
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log.Warn("[user: %s] os.Stat: %v", user.LowerName, err)
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// avatar doesn't exist in the storage
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// no need to move avatar and update database
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// we can just skip this
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continue
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}
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newAvatar, err := copyOldAvatarToNewLocation(user.ID, oldAvatar)
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if err != nil {
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_ = sess.Rollback()
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return fmt.Errorf("[user: %s] %v", user.LowerName, err)
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} else if newAvatar == oldAvatar {
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continue
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}
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user.Avatar = newAvatar
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if _, err := sess.ID(user.ID).Cols("avatar").Update(user); err != nil {
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_ = sess.Rollback()
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return fmt.Errorf("[user: %s] user table update: %v", user.LowerName, err)
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}
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deleteList[filepath.Join(setting.AvatarUploadPath, oldAvatar)] = struct{}{}
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}
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if err := sess.Commit(); err != nil {
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_ = sess.Rollback()
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return fmt.Errorf("commit session: %v", err)
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}
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}
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for file := range deleteList {
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if err := os.Remove(file); err != nil {
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log.Warn("os.Remove: %v", err)
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}
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}
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return nil
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}
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// copyOldAvatarToNewLocation copies oldAvatar to newAvatarLocation
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// and returns newAvatar location
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func copyOldAvatarToNewLocation(userID int64, oldAvatar string) (string, error) {
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fr, err := os.Open(filepath.Join(setting.AvatarUploadPath, oldAvatar))
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if err != nil {
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return "", fmt.Errorf("os.Open: %v", err)
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}
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defer fr.Close()
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data, err := ioutil.ReadAll(fr)
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if err != nil {
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return "", fmt.Errorf("ioutil.ReadAll: %v", err)
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}
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newAvatar := fmt.Sprintf("%x", md5.Sum([]byte(fmt.Sprintf("%d-%x", userID, md5.Sum(data)))))
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if newAvatar == oldAvatar {
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return newAvatar, nil
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}
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if err := ioutil.WriteFile(filepath.Join(setting.AvatarUploadPath, newAvatar), data, 0666); err != nil {
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return "", fmt.Errorf("ioutil.WriteFile: %v", err)
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}
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return newAvatar, nil
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}
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