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forgejo/services/user/user.go
delvh 0ebb45cfe7
Replace all instances of fmt.Errorf(%v) with fmt.Errorf(%w) (#21551)
Found using
`find . -type f -name '*.go' -print -exec vim {} -c
':%s/fmt\.Errorf(\(.*\)%v\(.*\)err/fmt.Errorf(\1%w\2err/g' -c ':wq' \;`

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2022-10-24 20:29:17 +01:00

282 lines
9.2 KiB
Go

// Copyright 2021 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 user
import (
"context"
"crypto/md5"
"fmt"
"image/png"
"io"
"time"
"code.gitea.io/gitea/models"
asymkey_model "code.gitea.io/gitea/models/asymkey"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/organization"
packages_model "code.gitea.io/gitea/models/packages"
repo_model "code.gitea.io/gitea/models/repo"
system_model "code.gitea.io/gitea/models/system"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/avatar"
"code.gitea.io/gitea/modules/eventsource"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/storage"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/services/packages"
)
// DeleteUser completely and permanently deletes everything of a user,
// but issues/comments/pulls will be kept and shown as someone has been deleted,
// unless the user is younger than USER_DELETE_WITH_COMMENTS_MAX_DAYS.
func DeleteUser(ctx context.Context, u *user_model.User, purge bool) error {
if u.IsOrganization() {
return fmt.Errorf("%s is an organization not a user", u.Name)
}
if purge {
// Disable the user first
// NOTE: This is deliberately not within a transaction as it must disable the user immediately to prevent any further action by the user to be purged.
if err := user_model.UpdateUserCols(ctx, &user_model.User{
ID: u.ID,
IsActive: false,
IsRestricted: true,
IsAdmin: false,
ProhibitLogin: true,
Passwd: "",
Salt: "",
PasswdHashAlgo: "",
MaxRepoCreation: 0,
}, "is_active", "is_restricted", "is_admin", "prohibit_login", "max_repo_creation", "passwd", "salt", "passwd_hash_algo"); err != nil {
return fmt.Errorf("unable to disable user: %s[%d] prior to purge. UpdateUserCols: %w", u.Name, u.ID, err)
}
// Force any logged in sessions to log out
// FIXME: We also need to tell the session manager to log them out too.
eventsource.GetManager().SendMessage(u.ID, &eventsource.Event{
Name: "logout",
})
// Delete all repos belonging to this user
// Now this is not within a transaction because there are internal transactions within the DeleteRepository
// BUT: the db will still be consistent even if a number of repos have already been deleted.
// And in fact we want to capture any repositories that are being created in other transactions in the meantime
//
// An alternative option here would be write a DeleteAllRepositoriesForUserID function which would delete all of the repos
// but such a function would likely get out of date
for {
repos, _, err := repo_model.GetUserRepositories(&repo_model.SearchRepoOptions{
ListOptions: db.ListOptions{
PageSize: repo_model.RepositoryListDefaultPageSize,
Page: 1,
},
Private: true,
OwnerID: u.ID,
Actor: u,
})
if err != nil {
return fmt.Errorf("SearchRepositoryByName: %w", err)
}
if len(repos) == 0 {
break
}
for _, repo := range repos {
if err := models.DeleteRepository(u, u.ID, repo.ID); err != nil {
return fmt.Errorf("unable to delete repository %s for %s[%d]. Error: %w", repo.Name, u.Name, u.ID, err)
}
}
}
// Remove from Organizations and delete last owner organizations
// Now this is not within a transaction because there are internal transactions within the DeleteOrganization
// BUT: the db will still be consistent even if a number of organizations memberships and organizations have already been deleted
// And in fact we want to capture any organization additions that are being created in other transactions in the meantime
//
// An alternative option here would be write a function which would delete all organizations but it seems
// but such a function would likely get out of date
for {
orgs, err := organization.FindOrgs(organization.FindOrgOptions{
ListOptions: db.ListOptions{
PageSize: repo_model.RepositoryListDefaultPageSize,
Page: 1,
},
UserID: u.ID,
IncludePrivate: true,
})
if err != nil {
return fmt.Errorf("unable to find org list for %s[%d]. Error: %w", u.Name, u.ID, err)
}
if len(orgs) == 0 {
break
}
for _, org := range orgs {
if err := models.RemoveOrgUser(org.ID, u.ID); err != nil {
if organization.IsErrLastOrgOwner(err) {
err = organization.DeleteOrganization(ctx, org)
}
if err != nil {
return fmt.Errorf("unable to remove user %s[%d] from org %s[%d]. Error: %w", u.Name, u.ID, org.Name, org.ID, err)
}
}
}
}
// Delete Packages
if setting.Packages.Enabled {
if _, err := packages.RemoveAllPackages(ctx, u.ID); err != nil {
return err
}
}
}
ctx, committer, err := db.TxContext()
if err != nil {
return err
}
defer committer.Close()
// Note: A user owns any repository or belongs to any organization
// cannot perform delete operation. This causes a race with the purge above
// however consistency requires that we ensure that this is the case
// Check ownership of repository.
count, err := repo_model.CountRepositories(ctx, repo_model.CountRepositoryOptions{OwnerID: u.ID})
if err != nil {
return fmt.Errorf("GetRepositoryCount: %w", err)
} else if count > 0 {
return models.ErrUserOwnRepos{UID: u.ID}
}
// Check membership of organization.
count, err = organization.GetOrganizationCount(ctx, u)
if err != nil {
return fmt.Errorf("GetOrganizationCount: %w", err)
} else if count > 0 {
return models.ErrUserHasOrgs{UID: u.ID}
}
// Check ownership of packages.
if ownsPackages, err := packages_model.HasOwnerPackages(ctx, u.ID); err != nil {
return fmt.Errorf("HasOwnerPackages: %w", err)
} else if ownsPackages {
return models.ErrUserOwnPackages{UID: u.ID}
}
if err := models.DeleteUser(ctx, u, purge); err != nil {
return fmt.Errorf("DeleteUser: %w", err)
}
if err := committer.Commit(); err != nil {
return err
}
committer.Close()
if err = asymkey_model.RewriteAllPublicKeys(); err != nil {
return err
}
if err = asymkey_model.RewriteAllPrincipalKeys(db.DefaultContext); err != nil {
return err
}
// Note: There are something just cannot be roll back,
// so just keep error logs of those operations.
path := user_model.UserPath(u.Name)
if err := util.RemoveAll(path); err != nil {
err = fmt.Errorf("Failed to RemoveAll %s: %w", path, err)
_ = system_model.CreateNotice(ctx, system_model.NoticeTask, fmt.Sprintf("delete user '%s': %v", u.Name, err))
return err
}
if u.Avatar != "" {
avatarPath := u.CustomAvatarRelativePath()
if err := storage.Avatars.Delete(avatarPath); err != nil {
err = fmt.Errorf("Failed to remove %s: %w", avatarPath, err)
_ = system_model.CreateNotice(ctx, system_model.NoticeTask, fmt.Sprintf("delete user '%s': %v", u.Name, err))
return err
}
}
return nil
}
// DeleteInactiveUsers deletes all inactive users and email addresses.
func DeleteInactiveUsers(ctx context.Context, olderThan time.Duration) error {
users, err := user_model.GetInactiveUsers(ctx, olderThan)
if err != nil {
return err
}
// FIXME: should only update authorized_keys file once after all deletions.
for _, u := range users {
select {
case <-ctx.Done():
return db.ErrCancelledf("Before delete inactive user %s", u.Name)
default:
}
if err := DeleteUser(ctx, u, false); err != nil {
// Ignore users that were set inactive by admin.
if models.IsErrUserOwnRepos(err) || models.IsErrUserHasOrgs(err) || models.IsErrUserOwnPackages(err) {
continue
}
return err
}
}
return user_model.DeleteInactiveEmailAddresses(ctx)
}
// UploadAvatar saves custom avatar for user.
func UploadAvatar(u *user_model.User, data []byte) error {
m, err := avatar.Prepare(data)
if err != nil {
return err
}
ctx, committer, err := db.TxContext()
if err != nil {
return err
}
defer committer.Close()
u.UseCustomAvatar = true
// Different users can upload same image as avatar
// If we prefix it with u.ID, it will be separated
// Otherwise, if any of the users delete his avatar
// Other users will lose their avatars too.
u.Avatar = fmt.Sprintf("%x", md5.Sum([]byte(fmt.Sprintf("%d-%x", u.ID, md5.Sum(data)))))
if err = user_model.UpdateUserCols(ctx, u, "use_custom_avatar", "avatar"); err != nil {
return fmt.Errorf("updateUser: %w", err)
}
if err := storage.SaveFrom(storage.Avatars, u.CustomAvatarRelativePath(), func(w io.Writer) error {
if err := png.Encode(w, *m); err != nil {
log.Error("Encode: %v", err)
}
return err
}); err != nil {
return fmt.Errorf("Failed to create dir %s: %w", u.CustomAvatarRelativePath(), err)
}
return committer.Commit()
}
// DeleteAvatar deletes the user's custom avatar.
func DeleteAvatar(u *user_model.User) error {
aPath := u.CustomAvatarRelativePath()
log.Trace("DeleteAvatar[%d]: %s", u.ID, aPath)
if len(u.Avatar) > 0 {
if err := storage.Avatars.Delete(aPath); err != nil {
return fmt.Errorf("Failed to remove %s: %w", aPath, err)
}
}
u.UseCustomAvatar = false
u.Avatar = ""
if _, err := db.GetEngine(db.DefaultContext).ID(u.ID).Cols("avatar, use_custom_avatar").Update(u); err != nil {
return fmt.Errorf("UpdateUser: %w", err)
}
return nil
}