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
|
/*
Fosscord: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2023 Fosscord and Fosscord Contributors
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 <https://www.gnu.org/licenses/>.
*/
import { Request, Response, Router } from "express";
import {
DiscordApiErrors,
emitEvent,
GuildBanAddEvent,
GuildBanRemoveEvent,
Ban,
User,
Member,
BanRegistrySchema,
BanModeratorSchema,
} from "@fosscord/util";
import { HTTPError } from "lambert-server";
import { getIpAdress, route } from "@fosscord/api";
const router: Router = Router();
/* TODO: Deleting the secrets is just a temporary go-around. Views should be implemented for both safety and better handling. */
router.get(
"/",
route({ permission: "BAN_MEMBERS" }),
async (req: Request, res: Response) => {
const { guild_id } = req.params;
const bans = await Ban.find({ where: { guild_id: guild_id } });
const promisesToAwait: object[] = [];
const bansObj: object[] = [];
bans.filter((ban) => ban.user_id !== ban.executor_id); // pretend self-bans don't exist to prevent victim chasing
bans.forEach((ban) => {
promisesToAwait.push(User.getPublicUser(ban.user_id));
});
const bannedUsers: object[] = await Promise.all(promisesToAwait);
bans.forEach((ban, index) => {
const user = bannedUsers[index] as User;
bansObj.push({
reason: ban.reason,
user: {
username: user.username,
discriminator: user.discriminator,
id: user.id,
avatar: user.avatar,
public_flags: user.public_flags,
},
});
});
return res.json(bansObj);
},
);
router.get(
"/:user",
route({ permission: "BAN_MEMBERS" }),
async (req: Request, res: Response) => {
const { guild_id } = req.params;
const user_id = req.params.ban;
let ban = (await Ban.findOneOrFail({
where: { guild_id: guild_id, user_id: user_id },
})) as BanRegistrySchema;
if (ban.user_id === ban.executor_id) throw DiscordApiErrors.UNKNOWN_BAN;
// pretend self-bans don't exist to prevent victim chasing
/* Filter secret from registry. */
ban = ban as BanModeratorSchema;
delete ban.ip;
return res.json(ban);
},
);
router.put(
"/:user_id",
route({ body: "BanCreateSchema", permission: "BAN_MEMBERS" }),
async (req: Request, res: Response) => {
const { guild_id } = req.params;
const banned_user_id = req.params.user_id;
if (
req.user_id === banned_user_id &&
banned_user_id === req.permission?.cache.guild?.owner_id
)
throw new HTTPError(
"You are the guild owner, hence can't ban yourself",
403,
);
if (req.permission?.cache.guild?.owner_id === banned_user_id)
throw new HTTPError("You can't ban the owner", 400);
const banned_user = await User.getPublicUser(banned_user_id);
const ban = Ban.create({
user_id: banned_user_id,
guild_id: guild_id,
ip: getIpAdress(req),
executor_id: req.user_id,
reason: req.body.reason, // || otherwise empty
});
await Promise.all([
Member.removeFromGuild(banned_user_id, guild_id),
ban.save(),
emitEvent({
event: "GUILD_BAN_ADD",
data: {
guild_id: guild_id,
user: banned_user,
},
guild_id: guild_id,
} as GuildBanAddEvent),
]);
return res.json(ban);
},
);
router.put(
"/@me",
route({ body: "BanCreateSchema" }),
async (req: Request, res: Response) => {
const { guild_id } = req.params;
const banned_user = await User.getPublicUser(req.params.user_id);
if (req.permission?.cache.guild?.owner_id === req.params.user_id)
throw new HTTPError(
"You are the guild owner, hence can't ban yourself",
403,
);
const ban = Ban.create({
user_id: req.params.user_id,
guild_id: guild_id,
ip: getIpAdress(req),
executor_id: req.params.user_id,
reason: req.body.reason, // || otherwise empty
});
await Promise.all([
Member.removeFromGuild(req.user_id, guild_id),
ban.save(),
emitEvent({
event: "GUILD_BAN_ADD",
data: {
guild_id: guild_id,
user: banned_user,
},
guild_id: guild_id,
} as GuildBanAddEvent),
]);
return res.json(ban);
},
);
router.delete(
"/:user_id",
route({ permission: "BAN_MEMBERS" }),
async (req: Request, res: Response) => {
const { guild_id, user_id } = req.params;
const ban = await Ban.findOneOrFail({
where: { guild_id: guild_id, user_id: user_id },
});
if (ban.user_id === ban.executor_id) throw DiscordApiErrors.UNKNOWN_BAN;
// make self-bans irreversible and hide them from view to avoid victim chasing
const banned_user = await User.getPublicUser(user_id);
await Promise.all([
Ban.delete({
user_id: user_id,
guild_id,
}),
emitEvent({
event: "GUILD_BAN_REMOVE",
data: {
guild_id,
user: banned_user,
},
guild_id,
} as GuildBanRemoveEvent),
]);
return res.status(204).send();
},
);
export default router;
|
