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/*
Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2025 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 { route } from "@spacebar/api";
import { Snowflake, Message, Member, Channel, Permissions, NewUrlUserSignatureData, Stopwatch, Attachment } from "@spacebar/util";
import { Request, Response, Router } from "express";
import { In, LessThan, FindOptionsWhere } from "typeorm";
const router: Router = Router({ mergeParams: true });
router.get(
"",
route({
responses: {
200: {
body: "MessageListResponse",
},
404: {
body: "APIErrorResponse",
},
},
}),
// AFAICT this endpoint doesn't list DMs
async (req: Request, res: Response) => {
const limit = req.query.limit && !isNaN(Number(req.query.limit)) ? Number(req.query.limit) : 25;
const everyone = req.query.everyone !== undefined ? Boolean(req.query.everyone) : true;
const roles = req.query.roles !== undefined ? Boolean(req.query.roles) : true;
const before = req.query.before !== undefined ? String(req.query.before as string) : undefined;
const guild_id = req.query.guild_id !== undefined ? req.query.guild_id : undefined;
const user = req.user;
const memberships = await Member.find({
where: { id: req.user_id, ...(guild_id === undefined || guild_id === "0" ? {} : { guild_id: String(guild_id) }) },
select: {
guild_id: true,
id: true,
communication_disabled_until: true,
roles: {
// We don't want to include all guild roles, as this could cause a lot more explosive behavior
id: true,
position: true,
permissions: true,
mentionable: true, // cause we can skip querying for unmentionable roles
},
guild: {
id: true,
owner_id: true,
},
},
relations: { guild: true, roles: true },
});
const channels = await Channel.find({
where: {
guild_id: In(memberships.map((m) => m.guild_id)),
},
select: { id: true, guild_id: true, permission_overwrites: true },
});
const visibleChannels = channels.filter((c) => {
const member = memberships.find((m) => m.guild_id === c.guild_id)!;
return Permissions.finalPermission({
user: { id: member.id, roles: member.roles.map((r) => r.id), communication_disabled_until: member.communication_disabled_until, flags: 0 },
guild: { id: member.guild.id, owner_id: member.guild.owner_id!, roles: member.roles },
channel: c,
}).has("VIEW_CHANNEL");
});
const visibleChannelIds = visibleChannels.map((c) => c.id);
const ownedMentionableRoleIds = memberships.reduce((acc, m) => {
acc.push(...m.roles.filter((r) => r.mentionable).map((r) => r.id));
return acc;
}, [] as Snowflake[]);
const whereQuery: FindOptionsWhere<Message>[] = [
{
channel_id: In(visibleChannelIds),
mentions: { id: user.id },
id: before ? LessThan(before) : undefined,
},
];
if (everyone) {
whereQuery.push({
channel_id: In(visibleChannelIds),
mention_everyone: true,
id: before ? LessThan(before) : undefined,
});
}
if (roles) {
whereQuery.push({
channel_id: In(visibleChannelIds),
mention_roles: { id: In(ownedMentionableRoleIds) },
id: before ? LessThan(before) : undefined,
});
}
const sw = Stopwatch.startNew();
const finalMessages = (
await Message.find({
where: whereQuery,
order: { timestamp: "DESC" },
relations: {
author: true,
webhook: true,
application: true,
mentions: true,
mention_roles: true,
mention_channels: true,
sticker_items: true,
attachments: true,
referenced_message: {
author: true,
webhook: true,
application: true,
mentions: true,
mention_roles: true,
mention_channels: true,
sticker_items: true,
attachments: true,
},
},
take: limit,
})
).map((m) => ({
...m.toJSON(),
attachments: m.attachments?.map((attachment: Attachment) =>
Attachment.prototype.signUrls.call(
attachment,
new NewUrlUserSignatureData({
ip: req.ip,
userAgent: req.headers["user-agent"] as string,
}),
),
),
}));
console.log(`[Inbox/mentions] User ${user.id} fetched full message data for ${finalMessages.length} messages in ${sw.elapsed().totalMilliseconds}ms`);
return res.json(finalMessages);
},
);
export default router;
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