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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 { Config, DateBuilder, getDatabase, getPermission, GuildMembersChunkEvent, Member, Presence, Session } from "@spacebar/util";
import { WebSocket, Payload, OPCODES, Send, handleOffloadedGatewayRequest } from "@spacebar/gateway";
import { check } from "./instanceOf";
import { FindManyOptions, ILike, In, MoreThan } from "typeorm";
import { RequestGuildMembersSchema } from "@spacebar/schemas";
export async function onRequestGuildMembers(this: WebSocket, { d }: Payload) {
const startTime = Date.now();
// Schema validation can only accept either string or array, so transforming it here to support both
if (!d.guild_id) throw new Error('"guild_id" is required');
d.guild_id = Array.isArray(d.guild_id) ? d.guild_id[0] : d.guild_id;
if (d.user_ids && !Array.isArray(d.user_ids)) d.user_ids = [d.user_ids];
if (Config.get().offload.gateway.guildMembersUrl !== null) {
return await handleOffloadedGatewayRequest(this, Config.get().offload.gateway.guildMembersUrl!, d);
}
check.call(this, RequestGuildMembersSchema, d);
const { presences, nonce, query: requestQuery } = d as RequestGuildMembersSchema;
let { limit, user_ids, guild_id } = d as RequestGuildMembersSchema;
// some discord libraries send empty string as query when they meant to send undefined, which was leading to errors being thrown in this handler
const query = requestQuery != "" ? requestQuery : undefined;
guild_id = guild_id as string;
user_ids = user_ids as string[] | undefined;
if (d.query && (!limit || Number.isNaN(limit))) {
console.log("Query:", d);
throw new Error('"query" requires "limit" to be set');
}
if (d.query && user_ids) {
console.log("Query:", d);
throw new Error('"query" and "user_ids" are mutually exclusive');
}
// TODO: Configurable limit?
if ((query || (user_ids && user_ids.length > 0)) && (!limit || limit > 100)) limit = 100;
const permissions = await getPermission(this.user_id, guild_id);
permissions.hasThrow("VIEW_CHANNEL");
const memberCount = await Member.count({
where: {
guild_id,
},
});
const memberFind: FindManyOptions = {
where: {
guild_id,
},
relations: { user: true, roles: true },
};
if (limit) memberFind.take = Math.abs(Number(limit || 100));
let members: Member[] = [];
if (memberCount > 75000) {
// since we dont have voice channels yet, just return the connecting users member object
members = await Member.find({
...memberFind,
where: {
...memberFind.where,
user: {
id: this.user_id,
},
},
});
} else if (memberCount > this.large_threshold) {
// find all members who are online, have a role, have a nickname, or are in a voice channel, as well as respecting the query and user_ids
const db = getDatabase();
if (!db) throw new Error("Database not initialized");
const repo = db.getRepository(Member);
const q = repo
.createQueryBuilder("member")
.where("member.guild_id = :guild_id", { guild_id })
.leftJoinAndSelect("member.roles", "role")
.leftJoinAndSelect("member.user", "user")
.leftJoinAndSelect("user.sessions", "session")
.andWhere("',' || member.roles || ',' NOT LIKE :everyoneRoleIdList", { everyoneRoleIdList: "%," + guild_id + ",%" })
.addOrderBy("user.username", "ASC")
.limit(memberFind.take);
if (query && query != "") {
q.andWhere(`user.username ILIKE :query`, {
query: `${query}%`,
});
} else if (user_ids) {
q.andWhere(`user.id IN (:...user_ids)`, { user_ids });
}
members = await q.getMany();
} else {
if (query) {
// @ts-expect-error memberFind.where is very much defined
memberFind.where.user = {
username: ILike(query + "%"),
};
} else if (user_ids && user_ids.length > 0) {
// @ts-expect-error memberFind.where is still very much defined
memberFind.where.id = In(user_ids);
}
members = await Member.find(memberFind);
}
const baseData = {
guild_id,
nonce,
};
const memberResultCount = members.length;
const chunkSize = 1000;
const chunkCount = Math.ceil(members.length / chunkSize);
let sentChunkCount = 0;
let notFound: string[] = [];
if (user_ids && user_ids.length > 0) notFound = user_ids.filter((id) => !members.some((member) => member.id == id));
const recentlyActiveSince = new DateBuilder().addMinutes(-15).build();
while (members.length > 0) {
const chunk: Member[] = members.splice(0, chunkSize);
let presenceList: Presence[] = [];
if (presences) {
const sessions = await Session.find({
where: { user_id: In(chunk.map((m) => m.id)), is_admin_session: false, last_seen: MoreThan(recentlyActiveSince) },
select: {
user: true,
status: true,
activities: true,
client_status: true,
},
relations: { user: true },
});
const foundUids = new Set<string>();
presenceList = sessions
.filter((s) => {
if (foundUids.has(s.user.id)) return false;
foundUids.add(s.user.id);
return true;
})
.map((session) => ({
user: session.user.toPublicUser(),
status: session.getPublicStatus(),
activities: session.activities,
client_status: session.client_status,
}));
}
await Send(this, {
op: OPCODES.Dispatch,
s: this.sequence++,
t: "GUILD_MEMBERS_CHUNK",
d: {
...baseData,
members: chunk.map((member) => member.toPublicMember()),
presences: presences ? presenceList : undefined,
chunk_index: sentChunkCount,
chunk_count: chunkCount,
...(sentChunkCount == 0 ? { not_found: notFound } : {}),
} satisfies GuildMembersChunkEvent["data"],
});
sentChunkCount++;
console.log(
`[Gateway/${this.user_id}] REQUEST_GUILD_MEMBERS @ ${Date.now() - startTime}ms for guild ${guild_id}: pushed ${sentChunkCount}/${chunkCount} chunks (${memberResultCount} total members considered)`,
);
}
if (sentChunkCount == 0)
await Send(this, {
op: OPCODES.Dispatch,
s: this.sequence++,
t: "GUILD_MEMBERS_CHUNK",
d: {
...baseData,
members: [],
presences: presences ? [] : undefined,
chunk_index: 0,
chunk_count: 1,
not_found: notFound,
} satisfies GuildMembersChunkEvent["data"],
});
console.log(`[Gateway/${this.user_id}] REQUEST_GUILD_MEMBERS took ${Date.now() - startTime}ms for guild ${guild_id} with ${memberResultCount} (${memberCount}) members`);
}
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