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// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package models
import (
"context"
"fmt"
"time"
_ "image/jpeg" // Needed for jpeg support
activities_model "code.gitea.io/gitea/models/activities"
asymkey_model "code.gitea.io/gitea/models/asymkey"
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/models/db"
git_model "code.gitea.io/gitea/models/git"
issues_model "code.gitea.io/gitea/models/issues"
"code.gitea.io/gitea/models/organization"
access_model "code.gitea.io/gitea/models/perm/access"
pull_model "code.gitea.io/gitea/models/pull"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
)
// DeleteUser deletes models associated to an user.
func DeleteUser(ctx context.Context, u *user_model.User, purge bool) (err error) {
e := db.GetEngine(ctx)
// ***** START: Watch *****
watchedRepoIDs := make([]int64, 0, 10)
if err = e.Table("watch").Cols("watch.repo_id").
Where("watch.user_id = ?", u.ID).And("watch.mode <>?", repo_model.WatchModeDont).Find(&watchedRepoIDs); err != nil {
return fmt.Errorf("get all watches: %w", err)
}
if _, err = e.Decr("num_watches").In("id", watchedRepoIDs).NoAutoTime().Update(new(repo_model.Repository)); err != nil {
return fmt.Errorf("decrease repository num_watches: %w", err)
}
// ***** END: Watch *****
// ***** START: Star *****
starredRepoIDs := make([]int64, 0, 10)
if err = e.Table("star").Cols("star.repo_id").
Where("star.uid = ?", u.ID).Find(&starredRepoIDs); err != nil {
return fmt.Errorf("get all stars: %w", err)
} else if _, err = e.Decr("num_stars").In("id", starredRepoIDs).NoAutoTime().Update(new(repo_model.Repository)); err != nil {
return fmt.Errorf("decrease repository num_stars: %w", err)
}
// ***** END: Star *****
// ***** START: Follow *****
followeeIDs := make([]int64, 0, 10)
if err = e.Table("follow").Cols("follow.follow_id").
Where("follow.user_id = ?", u.ID).Find(&followeeIDs); err != nil {
return fmt.Errorf("get all followees: %w", err)
} else if _, err = e.Decr("num_followers").In("id", followeeIDs).Update(new(user_model.User)); err != nil {
return fmt.Errorf("decrease user num_followers: %w", err)
}
followerIDs := make([]int64, 0, 10)
if err = e.Table("follow").Cols("follow.user_id").
Where("follow.follow_id = ?", u.ID).Find(&followerIDs); err != nil {
return fmt.Errorf("get all followers: %w", err)
} else if _, err = e.Decr("num_following").In("id", followerIDs).Update(new(user_model.User)); err != nil {
return fmt.Errorf("decrease user num_following: %w", err)
}
// ***** END: Follow *****
if err = db.DeleteBeans(ctx,
&auth_model.AccessToken{UID: u.ID},
&repo_model.Collaboration{UserID: u.ID},
&access_model.Access{UserID: u.ID},
&repo_model.Watch{UserID: u.ID},
&repo_model.Star{UID: u.ID},
&user_model.Follow{UserID: u.ID},
&user_model.Follow{FollowID: u.ID},
&activities_model.Action{UserID: u.ID},
&issues_model.IssueUser{UID: u.ID},
&user_model.EmailAddress{UID: u.ID},
&user_model.UserOpenID{UID: u.ID},
&issues_model.Reaction{UserID: u.ID},
&organization.TeamUser{UID: u.ID},
&issues_model.Stopwatch{UserID: u.ID},
&user_model.Setting{UserID: u.ID},
&user_model.UserBadge{UserID: u.ID},
&pull_model.AutoMerge{DoerID: u.ID},
&pull_model.ReviewState{UserID: u.ID},
&user_model.Redirect{RedirectUserID: u.ID},
); err != nil {
return fmt.Errorf("deleteBeans: %w", err)
}
if err := auth_model.DeleteOAuth2RelictsByUserID(ctx, u.ID); err != nil {
return err
}
if purge || (setting.Service.UserDeleteWithCommentsMaxTime != 0 &&
u.CreatedUnix.AsTime().Add(setting.Service.UserDeleteWithCommentsMaxTime).After(time.Now())) {
// Delete Comments
const batchSize = 50
for {
comments := make([]*issues_model.Comment, 0, batchSize)
if err = e.Where("type=? AND poster_id=?", issues_model.CommentTypeComment, u.ID).Limit(batchSize, 0).Find(&comments); err != nil {
return err
}
if len(comments) == 0 {
break
}
for _, comment := range comments {
if err = issues_model.DeleteComment(ctx, comment); err != nil {
return err
}
}
}
// Delete Reactions
if err = issues_model.DeleteReaction(ctx, &issues_model.ReactionOptions{DoerID: u.ID}); err != nil {
return err
}
}
// ***** START: Branch Protections *****
{
const batchSize = 50
for start := 0; ; start += batchSize {
protections := make([]*git_model.ProtectedBranch, 0, batchSize)
// @perf: We can't filter on DB side by u.ID, as those IDs are serialized as JSON strings.
// We could filter down with `WHERE repo_id IN (reposWithPushPermission(u))`,
// though that query will be quite complex and tricky to maintain (compare `getRepoAssignees()`).
// Also, as we didn't update branch protections when removing entries from `access` table,
// it's safer to iterate all protected branches.
if err = e.Limit(batchSize, start).Find(&protections); err != nil {
return fmt.Errorf("findProtectedBranches: %w", err)
}
if len(protections) == 0 {
break
}
for _, p := range protections {
var matched1, matched2, matched3 bool
if len(p.WhitelistUserIDs) != 0 {
p.WhitelistUserIDs, matched1 = util.RemoveIDFromList(
p.WhitelistUserIDs, u.ID)
}
if len(p.ApprovalsWhitelistUserIDs) != 0 {
p.ApprovalsWhitelistUserIDs, matched2 = util.RemoveIDFromList(
p.ApprovalsWhitelistUserIDs, u.ID)
}
if len(p.MergeWhitelistUserIDs) != 0 {
p.MergeWhitelistUserIDs, matched3 = util.RemoveIDFromList(
p.MergeWhitelistUserIDs, u.ID)
}
if matched1 || matched2 || matched3 {
if _, err = e.ID(p.ID).Cols(
"whitelist_user_i_ds",
"merge_whitelist_user_i_ds",
"approvals_whitelist_user_i_ds",
).Update(p); err != nil {
return fmt.Errorf("updateProtectedBranches: %w", err)
}
}
}
}
}
// ***** END: Branch Protections *****
// ***** START: PublicKey *****
if _, err = db.DeleteByBean(ctx, &asymkey_model.PublicKey{OwnerID: u.ID}); err != nil {
return fmt.Errorf("deletePublicKeys: %w", err)
}
// ***** END: PublicKey *****
// ***** START: GPGPublicKey *****
keys, err := asymkey_model.ListGPGKeys(ctx, u.ID, db.ListOptions{})
if err != nil {
return fmt.Errorf("ListGPGKeys: %w", err)
}
// Delete GPGKeyImport(s).
for _, key := range keys {
if _, err = db.DeleteByBean(ctx, &asymkey_model.GPGKeyImport{KeyID: key.KeyID}); err != nil {
return fmt.Errorf("deleteGPGKeyImports: %w", err)
}
}
if _, err = db.DeleteByBean(ctx, &asymkey_model.GPGKey{OwnerID: u.ID}); err != nil {
return fmt.Errorf("deleteGPGKeys: %w", err)
}
// ***** END: GPGPublicKey *****
// Clear assignee.
if _, err = db.DeleteByBean(ctx, &issues_model.IssueAssignees{AssigneeID: u.ID}); err != nil {
return fmt.Errorf("clear assignee: %w", err)
}
// ***** START: ExternalLoginUser *****
if err = user_model.RemoveAllAccountLinks(ctx, u); err != nil {
return fmt.Errorf("ExternalLoginUser: %w", err)
}
// ***** END: ExternalLoginUser *****
if _, err = e.ID(u.ID).Delete(new(user_model.User)); err != nil {
return fmt.Errorf("delete: %w", err)
}
return nil
}
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