forgejo/services/user/delete.go

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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
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package user
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import (
"context"
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"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"
"xorm.io/builder"
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)
// deleteUser deletes models associated to an user.
func deleteUser(ctx context.Context, u *user_model.User, purge bool) (err error) {
e := db.GetEngine(ctx)
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// ***** 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)
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}
if err = db.DecrByIDs(ctx, watchedRepoIDs, "num_watches", new(repo_model.Repository)); err != nil {
return fmt.Errorf("decrease repository num_watches: %w", err)
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}
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// ***** END: Watch *****
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// ***** 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)
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}
// ***** END: Star *****
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// ***** 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)
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}
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)
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}
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// ***** 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)
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}
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 {
if err := git_model.RemoveUserIDFromProtectedBranch(ctx, p, u.ID); err != nil {
return err
}
}
}
}
// ***** END: Branch Protections *****
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// ***** START: PublicKey *****
if _, err = db.DeleteByBean(ctx, &asymkey_model.PublicKey{OwnerID: u.ID}); err != nil {
return fmt.Errorf("deletePublicKeys: %w", err)
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}
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// ***** END: PublicKey *****
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// ***** 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)
}
Oauth2 consumer (#679) * initial stuff for oauth2 login, fails on: * login button on the signIn page to start the OAuth2 flow and a callback for each provider Only GitHub is implemented for now * show login button only when the OAuth2 consumer is configured (and activated) * create macaron group for oauth2 urls * prevent net/http in modules (other then oauth2) * use a new data sessions oauth2 folder for storing the oauth2 session data * add missing 2FA when this is enabled on the user * add password option for OAuth2 user , for use with git over http and login to the GUI * add tip for registering a GitHub OAuth application * at startup of Gitea register all configured providers and also on adding/deleting of new providers * custom handling of errors in oauth2 request init + show better tip * add ExternalLoginUser model and migration script to add it to database * link a external account to an existing account (still need to handle wrong login and signup) and remove if user is removed * remove the linked external account from the user his settings * if user is unknown we allow him to register a new account or link it to some existing account * sign up with button on signin page (als change OAuth2Provider structure so we can store basic stuff about providers) * from gorilla/sessions docs: "Important Note: If you aren't using gorilla/mux, you need to wrap your handlers with context.ClearHandler as or else you will leak memory!" (we're using gorilla/sessions for storing oauth2 sessions) * use updated goth lib that now supports getting the OAuth2 user if the AccessToken is still valid instead of re-authenticating (prevent flooding the OAuth2 provider)
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// ***** START: ExternalLoginUser *****
if err = user_model.RemoveAllAccountLinks(ctx, u); err != nil {
return fmt.Errorf("ExternalLoginUser: %w", err)
Oauth2 consumer (#679) * initial stuff for oauth2 login, fails on: * login button on the signIn page to start the OAuth2 flow and a callback for each provider Only GitHub is implemented for now * show login button only when the OAuth2 consumer is configured (and activated) * create macaron group for oauth2 urls * prevent net/http in modules (other then oauth2) * use a new data sessions oauth2 folder for storing the oauth2 session data * add missing 2FA when this is enabled on the user * add password option for OAuth2 user , for use with git over http and login to the GUI * add tip for registering a GitHub OAuth application * at startup of Gitea register all configured providers and also on adding/deleting of new providers * custom handling of errors in oauth2 request init + show better tip * add ExternalLoginUser model and migration script to add it to database * link a external account to an existing account (still need to handle wrong login and signup) and remove if user is removed * remove the linked external account from the user his settings * if user is unknown we allow him to register a new account or link it to some existing account * sign up with button on signin page (als change OAuth2Provider structure so we can store basic stuff about providers) * from gorilla/sessions docs: "Important Note: If you aren't using gorilla/mux, you need to wrap your handlers with context.ClearHandler as or else you will leak memory!" (we're using gorilla/sessions for storing oauth2 sessions) * use updated goth lib that now supports getting the OAuth2 user if the AccessToken is still valid instead of re-authenticating (prevent flooding the OAuth2 provider)
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}
// ***** END: ExternalLoginUser *****
if _, err = db.DeleteByID(ctx, u.ID, new(user_model.User)); err != nil {
return fmt.Errorf("delete: %w", err)
}
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return nil
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}