aboutsummaryrefslogtreecommitdiffstats
path: root/models/user.go
blob: 68be0d855509b02b5ba7f86c685facb43fadd530 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2019 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 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: %v", 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: %v", 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: %v", 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: %v", 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: %v", 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: %v", 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: %v", 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: %v", 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},
	); err != nil {
		return fmt.Errorf("deleteBeans: %v", 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: %v", 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: %v", err)
					}
				}
			}
		}
	}
	// ***** END: Branch Protections *****

	// ***** START: PublicKey *****
	if _, err = db.DeleteByBean(ctx, &asymkey_model.PublicKey{OwnerID: u.ID}); err != nil {
		return fmt.Errorf("deletePublicKeys: %v", err)
	}
	// ***** END: PublicKey *****

	// ***** START: GPGPublicKey *****
	keys, err := asymkey_model.ListGPGKeys(ctx, u.ID, db.ListOptions{})
	if err != nil {
		return fmt.Errorf("ListGPGKeys: %v", 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: %v", err)
		}
	}
	if _, err = db.DeleteByBean(ctx, &asymkey_model.GPGKey{OwnerID: u.ID}); err != nil {
		return fmt.Errorf("deleteGPGKeys: %v", err)
	}
	// ***** END: GPGPublicKey *****

	// Clear assignee.
	if _, err = db.DeleteByBean(ctx, &issues_model.IssueAssignees{AssigneeID: u.ID}); err != nil {
		return fmt.Errorf("clear assignee: %v", err)
	}

	// ***** START: ExternalLoginUser *****
	if err = user_model.RemoveAllAccountLinks(ctx, u); err != nil {
		return fmt.Errorf("ExternalLoginUser: %v", err)
	}
	// ***** END: ExternalLoginUser *****

	if _, err = e.ID(u.ID).Delete(new(user_model.User)); err != nil {
		return fmt.Errorf("delete: %v", err)
	}

	return nil
}