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109 lines
4.3 KiB
TypeScript
109 lines
4.3 KiB
TypeScript
/*
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Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
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Copyright (C) 2023 Spacebar and Spacebar Contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { Column, CreateDateColumn, Entity, FindOptionsWhere, JoinColumn, OneToOne, RelationId } from "typeorm";
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import { BaseClass } from "./BaseClass";
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@Entity({
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name: "instance_bans",
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})
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export class InstanceBan extends BaseClass {
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@Column({ type: "bigint" })
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@CreateDateColumn()
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created_at: Date = new Date();
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@Column()
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reason: string;
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@Column({ nullable: true })
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user_id?: string;
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@Column({ nullable: true })
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fingerprint?: string;
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@Column({ nullable: true })
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ip_address?: string;
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// chain of trust type tracking
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@Column({ default: false })
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is_allowlisted: boolean = false;
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@Column({ default: false })
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is_from_other_instance_ban: boolean = false;
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@Column({ nullable: true })
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@RelationId((instance_ban: InstanceBan) => instance_ban.origin_instance_ban)
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origin_instance_ban_id?: string;
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@JoinColumn({ name: "origin_instance_ban_id" })
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@OneToOne(() => InstanceBan, { nullable: true, onDelete: "SET NULL" })
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origin_instance_ban?: InstanceBan;
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static async findInstanceBans(opts: { userId?: string; ipAddress?: string; fingerprint?: string; propagateBan?: boolean }) {
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const optionalChecks: FindOptionsWhere<InstanceBan>[] = [{ user_id: opts.userId }];
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if (opts?.ipAddress) optionalChecks.push({ ip_address: opts.ipAddress });
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if (opts?.fingerprint) optionalChecks.push({ fingerprint: opts.fingerprint });
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const instanceBans = await InstanceBan.find({ where: optionalChecks });
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const banReasons = [];
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for (const ban of instanceBans) {
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if (ban.is_allowlisted) continue;
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if (opts?.fingerprint && ban.fingerprint === opts.fingerprint) banReasons.push("fingerprint");
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if (opts?.ipAddress && ban.ip_address === opts.ipAddress) banReasons.push("ipAddress");
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if (opts?.userId && ban.user_id === opts?.userId) banReasons.push("userId");
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}
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const banViralityPromises: Promise<InstanceBan>[] = [];
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if (opts.propagateBan && banReasons.length > 0) {
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if (opts?.ipAddress && !instanceBans.find((b) => b.ip_address === opts.ipAddress))
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banViralityPromises.push(
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InstanceBan.create({
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user_id: opts.userId,
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ip_address: opts.ipAddress,
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reason: "Propagated from other instance ban",
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is_from_other_instance_ban: true,
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origin_instance_ban: instanceBans[0],
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}).save(),
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);
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if (opts?.fingerprint && !instanceBans.find((b) => b.fingerprint === opts.fingerprint))
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banViralityPromises.push(
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InstanceBan.create({
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user_id: opts.userId,
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fingerprint: opts.fingerprint,
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reason: "Propagated from other instance ban",
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is_from_other_instance_ban: true,
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origin_instance_ban: instanceBans[0],
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}).save(),
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);
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if (opts?.userId && !instanceBans.find((b) => b.user_id === opts.userId))
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banViralityPromises.push(
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InstanceBan.create({
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user_id: opts.userId,
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reason: "Propagated from other instance ban",
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is_from_other_instance_ban: true,
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origin_instance_ban: instanceBans[0],
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}).save(),
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);
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}
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await Promise.all(banViralityPromises);
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return banReasons;
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}
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}
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