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/*
Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2023 Spacebar and Spacebar 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 {
Channel,
ChannelPermissionOverwrite,
ChannelPermissionOverwriteSchema,
ChannelUpdateEvent,
emitEvent,
Member,
Role,
} from "@spacebar/util";
import { Request, Response, Router } from "express";
import { HTTPError } from "lambert-server";
import { route } from "@spacebar/api";
const router: Router = Router();
// TODO: Only permissions your bot has in the guild or channel can be allowed/denied (unless your bot has a MANAGE_ROLES overwrite in the channel)
router.put(
"/:overwrite_id",
route({
body: "ChannelPermissionOverwriteSchema",
permission: "MANAGE_ROLES",
responses: {
204: {},
404: {},
501: {},
400: { body: "APIErrorResponse" },
},
}),
async (req: Request, res: Response) => {
const { channel_id, overwrite_id } = req.params;
const body = req.body as ChannelPermissionOverwriteSchema;
const channel = await Channel.findOneOrFail({
where: { id: channel_id },
});
if (!channel.guild_id) throw new HTTPError("Channel not found", 404);
if (body.type === 0) {
if (!(await Role.count({ where: { id: overwrite_id } })))
throw new HTTPError("role not found", 404);
} else if (body.type === 1) {
if (!(await Member.count({ where: { id: overwrite_id } })))
throw new HTTPError("user not found", 404);
} else throw new HTTPError("type not supported", 501);
let overwrite: ChannelPermissionOverwrite | undefined =
channel.permission_overwrites?.find((x) => x.id === overwrite_id);
if (!overwrite) {
overwrite = {
id: overwrite_id,
type: body.type,
allow: "0",
deny: "0",
};
channel.permission_overwrites?.push(overwrite);
}
overwrite.allow = String(
(req.permission?.bitfield || 0n) &
(BigInt(body.allow) || BigInt("0")),
);
overwrite.deny = String(
(req.permission?.bitfield || 0n) &
(BigInt(body.deny) || BigInt("0")),
);
await Promise.all([
channel.save(),
emitEvent({
event: "CHANNEL_UPDATE",
channel_id,
data: channel,
} as ChannelUpdateEvent),
]);
return res.sendStatus(204);
},
);
// TODO: check permission hierarchy
router.delete(
"/:overwrite_id",
route({ permission: "MANAGE_ROLES", responses: { 204: {}, 404: {} } }),
async (req: Request, res: Response) => {
const { channel_id, overwrite_id } = req.params;
const channel = await Channel.findOneOrFail({
where: { id: channel_id },
});
if (!channel.guild_id) throw new HTTPError("Channel not found", 404);
channel.permission_overwrites = channel.permission_overwrites?.filter(
(x) => x.id === overwrite_id,
);
await Promise.all([
channel.save(),
emitEvent({
event: "CHANNEL_UPDATE",
channel_id,
data: channel,
} as ChannelUpdateEvent),
]);
return res.sendStatus(204);
},
);
export default router;
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