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Diffstat (limited to '')
| -rw-r--r-- | services/user/delete.go | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/services/user/delete.go b/services/user/delete.go new file mode 100644 index 0000000..74dbc09 --- /dev/null +++ b/services/user/delete.go @@ -0,0 +1,223 @@ +// Copyright 2023 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package user + +import ( + "context" + "fmt" + "time" + + _ "image/jpeg" // Needed for jpeg support + + actions_model "code.gitea.io/gitea/models/actions" + 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" + issue_service "code.gitea.io/gitea/services/issue" + + "xorm.io/builder" +) + +// 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, err := db.FindIDs(ctx, "watch", "watch.repo_id", + builder.Eq{"watch.user_id": u.ID}. + And(builder.Neq{"watch.mode": repo_model.WatchModeDont})) + if err != nil { + return fmt.Errorf("get all watches: %w", err) + } + if err = db.DecrByIDs(ctx, watchedRepoIDs, "num_watches", new(repo_model.Repository)); err != nil { + return fmt.Errorf("decrease repository num_watches: %w", err) + } + // ***** END: Watch ***** + + // ***** START: Star ***** + starredRepoIDs, err := db.FindIDs(ctx, "star", "star.repo_id", + builder.Eq{"star.uid": u.ID}) + if err != nil { + return fmt.Errorf("get all stars: %w", err) + } else if err = db.DecrByIDs(ctx, starredRepoIDs, "num_stars", new(repo_model.Repository)); err != nil { + return fmt.Errorf("decrease repository num_stars: %w", err) + } + // ***** END: Star ***** + + // ***** START: Follow ***** + followeeIDs, err := db.FindIDs(ctx, "follow", "follow.follow_id", + builder.Eq{"follow.user_id": u.ID}) + if err != nil { + return fmt.Errorf("get all followees: %w", err) + } else if err = db.DecrByIDs(ctx, followeeIDs, "num_followers", new(user_model.User)); err != nil { + return fmt.Errorf("decrease user num_followers: %w", err) + } + + followerIDs, err := db.FindIDs(ctx, "follow", "follow.user_id", + builder.Eq{"follow.follow_id": u.ID}) + if err != nil { + return fmt.Errorf("get all followers: %w", err) + } else if err = db.DecrByIDs(ctx, followerIDs, "num_following", 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}, + &actions_model.ActionRunner{OwnerID: u.ID}, + &user_model.BlockedUser{BlockID: u.ID}, + &user_model.BlockedUser{UserID: u.ID}, + &actions_model.ActionRunnerToken{OwnerID: 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: Issues ***** + if purge { + const batchSize = 50 + + for { + issues := make([]*issues_model.Issue, 0, batchSize) + if err = e.Where("poster_id=?", u.ID).Limit(batchSize, 0).Find(&issues); err != nil { + return err + } + if len(issues) == 0 { + break + } + + for _, issue := range issues { + // NOTE: Don't open git repositories just to remove the reference data, + // `git gc` is able to remove that reference which is run as a cron job + // by default. Also use the deleted user as doer to delete the issue. + if err = issue_service.DeleteIssue(ctx, u, nil, issue); err != nil { + return err + } + } + } + } + // ***** END: Issues ***** + + // ***** 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 { + if err := git_model.RemoveUserIDFromProtectedBranch(ctx, p, u.ID); err != nil { + return 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 := db.Find[asymkey_model.GPGKey](ctx, asymkey_model.FindGPGKeyOptions{ + OwnerID: u.ID, + }) + 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 = db.DeleteByID[user_model.User](ctx, u.ID); err != nil { + return fmt.Errorf("delete: %w", err) + } + + return nil +} |