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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
|
// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package bundb
import (
"context"
"net/url"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/util"
"github.com/uptrace/bun"
)
type domainDB struct {
db *DB
state *state.State
}
func (d *domainDB) CreateDomainAllow(ctx context.Context, allow *gtsmodel.DomainAllow) error {
// Normalize the domain as punycode
var err error
allow.Domain, err = util.Punify(allow.Domain)
if err != nil {
return err
}
// Attempt to store domain allow in DB
if _, err := d.db.NewInsert().
Model(allow).
Exec(ctx); err != nil {
return err
}
// Clear the domain allow cache (for later reload)
d.state.Caches.GTS.DomainAllow().Clear()
return nil
}
func (d *domainDB) GetDomainAllow(ctx context.Context, domain string) (*gtsmodel.DomainAllow, error) {
// Normalize the domain as punycode
domain, err := util.Punify(domain)
if err != nil {
return nil, err
}
// Check for easy case, domain referencing *us*
if domain == "" || domain == config.GetAccountDomain() ||
domain == config.GetHost() {
return nil, db.ErrNoEntries
}
var allow gtsmodel.DomainAllow
// Look for allow matching domain in DB
q := d.db.
NewSelect().
Model(&allow).
Where("? = ?", bun.Ident("domain_allow.domain"), domain)
if err := q.Scan(ctx); err != nil {
return nil, err
}
return &allow, nil
}
func (d *domainDB) GetDomainAllows(ctx context.Context) ([]*gtsmodel.DomainAllow, error) {
allows := []*gtsmodel.DomainAllow{}
if err := d.db.
NewSelect().
Model(&allows).
Scan(ctx); err != nil {
return nil, err
}
return allows, nil
}
func (d *domainDB) GetDomainAllowByID(ctx context.Context, id string) (*gtsmodel.DomainAllow, error) {
var allow gtsmodel.DomainAllow
q := d.db.
NewSelect().
Model(&allow).
Where("? = ?", bun.Ident("domain_allow.id"), id)
if err := q.Scan(ctx); err != nil {
return nil, err
}
return &allow, nil
}
func (d *domainDB) DeleteDomainAllow(ctx context.Context, domain string) error {
// Normalize the domain as punycode
domain, err := util.Punify(domain)
if err != nil {
return err
}
// Attempt to delete domain allow
if _, err := d.db.NewDelete().
Model((*gtsmodel.DomainAllow)(nil)).
Where("? = ?", bun.Ident("domain_allow.domain"), domain).
Exec(ctx); err != nil {
return err
}
// Clear the domain allow cache (for later reload)
d.state.Caches.GTS.DomainAllow().Clear()
return nil
}
func (d *domainDB) CreateDomainBlock(ctx context.Context, block *gtsmodel.DomainBlock) error {
// Normalize the domain as punycode
var err error
block.Domain, err = util.Punify(block.Domain)
if err != nil {
return err
}
// Attempt to store domain block in DB
if _, err := d.db.NewInsert().
Model(block).
Exec(ctx); err != nil {
return err
}
// Clear the domain block cache (for later reload)
d.state.Caches.GTS.DomainBlock().Clear()
return nil
}
func (d *domainDB) GetDomainBlock(ctx context.Context, domain string) (*gtsmodel.DomainBlock, error) {
// Normalize the domain as punycode
domain, err := util.Punify(domain)
if err != nil {
return nil, err
}
// Check for easy case, domain referencing *us*
if domain == "" || domain == config.GetAccountDomain() ||
domain == config.GetHost() {
return nil, db.ErrNoEntries
}
var block gtsmodel.DomainBlock
// Look for block matching domain in DB
q := d.db.
NewSelect().
Model(&block).
Where("? = ?", bun.Ident("domain_block.domain"), domain)
if err := q.Scan(ctx); err != nil {
return nil, err
}
return &block, nil
}
func (d *domainDB) GetDomainBlocks(ctx context.Context) ([]*gtsmodel.DomainBlock, error) {
blocks := []*gtsmodel.DomainBlock{}
if err := d.db.
NewSelect().
Model(&blocks).
Scan(ctx); err != nil {
return nil, err
}
return blocks, nil
}
func (d *domainDB) GetDomainBlockByID(ctx context.Context, id string) (*gtsmodel.DomainBlock, error) {
var block gtsmodel.DomainBlock
q := d.db.
NewSelect().
Model(&block).
Where("? = ?", bun.Ident("domain_block.id"), id)
if err := q.Scan(ctx); err != nil {
return nil, err
}
return &block, nil
}
func (d *domainDB) DeleteDomainBlock(ctx context.Context, domain string) error {
// Normalize the domain as punycode
domain, err := util.Punify(domain)
if err != nil {
return err
}
// Attempt to delete domain block
if _, err := d.db.NewDelete().
Model((*gtsmodel.DomainBlock)(nil)).
Where("? = ?", bun.Ident("domain_block.domain"), domain).
Exec(ctx); err != nil {
return err
}
// Clear the domain block cache (for later reload)
d.state.Caches.GTS.DomainBlock().Clear()
return nil
}
func (d *domainDB) IsDomainBlocked(ctx context.Context, domain string) (bool, error) {
// Normalize the domain as punycode
domain, err := util.Punify(domain)
if err != nil {
return false, err
}
// Domain referencing *us* cannot be blocked.
if domain == "" || domain == config.GetAccountDomain() ||
domain == config.GetHost() {
return false, nil
}
// Check the cache for an explicit domain allow (hydrating the cache with callback if necessary).
explicitAllow, err := d.state.Caches.GTS.DomainAllow().Matches(domain, func() ([]string, error) {
var domains []string
// Scan list of all explicitly allowed domains from DB
q := d.db.NewSelect().
Table("domain_allows").
Column("domain")
if err := q.Scan(ctx, &domains); err != nil {
return nil, err
}
return domains, nil
})
if err != nil {
return false, err
}
// Check the cache for a domain block (hydrating the cache with callback if necessary)
explicitBlock, err := d.state.Caches.GTS.DomainBlock().Matches(domain, func() ([]string, error) {
var domains []string
// Scan list of all blocked domains from DB
q := d.db.NewSelect().
Table("domain_blocks").
Column("domain")
if err := q.Scan(ctx, &domains); err != nil {
return nil, err
}
return domains, nil
})
if err != nil {
return false, err
}
// Calculate if blocked
// based on federation mode.
switch mode := config.GetInstanceFederationMode(); mode {
case config.InstanceFederationModeBlocklist:
// Blocklist/default mode: explicit allow
// takes precedence over explicit block.
//
// Domains that have neither block
// or allow entries are allowed.
return !(explicitAllow || !explicitBlock), nil
case config.InstanceFederationModeAllowlist:
// Allowlist mode: explicit block takes
// precedence over explicit allow.
//
// Domains that have neither block
// or allow entries are blocked.
return (explicitBlock || !explicitAllow), nil
default:
// This should never happen but account
// for it anyway to make the code tidier.
return false, gtserror.Newf("unrecognized federation mode: %s", mode)
}
}
func (d *domainDB) AreDomainsBlocked(ctx context.Context, domains []string) (bool, error) {
for _, domain := range domains {
if blocked, err := d.IsDomainBlocked(ctx, domain); err != nil {
return false, err
} else if blocked {
return blocked, nil
}
}
return false, nil
}
func (d *domainDB) IsURIBlocked(ctx context.Context, uri *url.URL) (bool, error) {
return d.IsDomainBlocked(ctx, uri.Hostname())
}
func (d *domainDB) AreURIsBlocked(ctx context.Context, uris []*url.URL) (bool, error) {
for _, uri := range uris {
if blocked, err := d.IsDomainBlocked(ctx, uri.Hostname()); err != nil {
return false, err
} else if blocked {
return blocked, nil
}
}
return false, nil
}
|