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/*
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 { HTTPError } from "lambert-server";
import { route } from "@fosscord/api";
import { isTextChannel } from "./messages";
import { FindManyOptions, Between, Not, FindOperator } from "typeorm";
import {
Channel,
emitEvent,
getPermission,
getRights,
Message,
MessageDeleteBulkEvent,
PurgeSchema,
} from "@fosscord/util";
import { Router, Response, Request } from "express";
const router: Router = Router();
export default router;
/**
TODO: apply the delete bit by bit to prevent client and database stress
**/
router.post(
"/",
route({
/*body: "PurgeSchema",*/
}),
async (req: Request, res: Response) => {
const { channel_id } = req.params;
const channel = await Channel.findOneOrFail({
where: { id: channel_id },
});
if (!channel.guild_id)
throw new HTTPError("Can't purge dm channels", 400);
isTextChannel(channel.type);
const rights = await getRights(req.user_id);
if (!rights.has("MANAGE_MESSAGES")) {
const permissions = await getPermission(
req.user_id,
channel.guild_id,
channel_id,
);
permissions.hasThrow("MANAGE_MESSAGES");
permissions.hasThrow("MANAGE_CHANNELS");
}
const { before, after } = req.body as PurgeSchema;
// TODO: send the deletion event bite-by-bite to prevent client stress
const query: FindManyOptions<Message> & {
where: { id?: FindOperator<string> };
} = {
order: { id: "ASC" },
// take: limit,
where: {
channel_id,
id: Between(after, before), // the right way around
author_id: rights.has("SELF_DELETE_MESSAGES")
? undefined
: Not(req.user_id),
// if you lack the right of self-deletion, you can't delete your own messages, even in purges
},
relations: [
"author",
"webhook",
"application",
"mentions",
"mention_roles",
"mention_channels",
"sticker_items",
"attachments",
],
};
const messages = await Message.find(query);
if (messages.length == 0) {
res.sendStatus(304);
return;
}
await Message.delete(messages.map((x) => x.id));
await emitEvent({
event: "MESSAGE_DELETE_BULK",
channel_id,
data: {
ids: messages.map((x) => x.id),
channel_id,
guild_id: channel.guild_id,
},
} as MessageDeleteBulkEvent);
res.sendStatus(204);
},
);
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