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import { getIpAdress, route } from "@fosscord/api";
import {
Ban,
BanModeratorSchema,
BanRegistrySchema,
DiscordApiErrors,
emitEvent,
GuildBanAddEvent,
GuildBanRemoveEvent,
HTTPError,
Member,
OrmUtils,
User
} from "@fosscord/util";
import { Request, Response, Router } from "express";
const router: Router = Router();
/* TODO: Deleting the secrets is just a temporary go-around. Views should be implemented for both safety and better handling. */
router.get("/", route({ permission: "BAN_MEMBERS" }), async (req: Request, res: Response) => {
const { guild_id } = req.params;
let bans = await Ban.find({ where: { guild_id } });
let promisesToAwait: object[] = [];
const bansObj: object[] = [];
bans.filter((ban) => ban.user_id !== ban.executor_id); // pretend self-bans don't exist to prevent victim chasing
bans.forEach((ban) => {
promisesToAwait.push(User.getPublicUser(ban.user_id));
});
const bannedUsers: object[] = await Promise.all(promisesToAwait);
bans.forEach((ban, index) => {
const user = bannedUsers[index] as User;
bansObj.push({
reason: ban.reason,
user: {
username: user.username,
discriminator: user.discriminator,
id: user.id,
avatar: user.avatar,
public_flags: user.public_flags
}
});
});
return res.json(bansObj);
});
router.get("/:user", route({ permission: "BAN_MEMBERS" }), async (req: Request, res: Response) => {
const { guild_id } = req.params;
const user_id = req.params.ban;
let ban = (await Ban.findOneOrFail({ where: { guild_id, user_id } })) as BanRegistrySchema;
if (ban.user_id === ban.executor_id) throw DiscordApiErrors.UNKNOWN_BAN;
// pretend self-bans don't exist to prevent victim chasing
/* Filter secret from registry. */
ban = ban as BanModeratorSchema;
delete ban.ip;
return res.json(ban);
});
router.put("/:user_id", route({ body: "BanCreateSchema", permission: "BAN_MEMBERS" }), async (req: Request, res: Response) => {
const { guild_id } = req.params;
const banned_user_id = req.params.user_id;
if (req.user_id === banned_user_id && banned_user_id === req.permission!.cache.guild?.owner_id)
throw new HTTPError("You are the guild owner, hence can't ban yourself", 403);
if (req.permission!.cache.guild?.owner_id === banned_user_id) throw new HTTPError("You can't ban the owner", 400);
const banned_user = await User.getPublicUser(banned_user_id);
const ban = OrmUtils.mergeDeep(new Ban(), {
user_id: banned_user_id,
guild_id: guild_id,
ip: getIpAdress(req),
executor_id: req.user_id,
reason: req.body.reason // || otherwise empty
});
await Promise.all([
Member.removeFromGuild(banned_user_id, guild_id),
ban.save(),
emitEvent({
event: "GUILD_BAN_ADD",
data: {
guild_id: guild_id,
user: banned_user
},
guild_id: guild_id
} as GuildBanAddEvent)
]);
return res.json(ban);
});
router.put("/@me", route({ body: "BanCreateSchema" }), async (req: Request, res: Response) => {
const { guild_id } = req.params;
const banned_user = await User.getPublicUser(req.params.user_id);
if (req.permission!.cache.guild?.owner_id === req.params.user_id)
throw new HTTPError("You are the guild owner, hence can't ban yourself", 403);
const ban = OrmUtils.mergeDeep(new Ban(), {
user_id: req.params.user_id,
guild_id: guild_id,
ip: getIpAdress(req),
executor_id: req.params.user_id,
reason: req.body.reason // || otherwise empty
});
await Promise.all([
Member.removeFromGuild(req.user_id, guild_id),
ban.save(),
emitEvent({
event: "GUILD_BAN_ADD",
data: {
guild_id: guild_id,
user: banned_user
},
guild_id: guild_id
} as GuildBanAddEvent)
]);
return res.json(ban);
});
router.delete("/:user_id", route({ permission: "BAN_MEMBERS" }), async (req: Request, res: Response) => {
const { guild_id, user_id } = req.params;
let ban = await Ban.findOneOrFail({ where: { guild_id, user_id } });
if (ban.user_id === ban.executor_id) throw DiscordApiErrors.UNKNOWN_BAN;
// make self-bans irreversible and hide them from view to avoid victim chasing
const banned_user = await User.getPublicUser(user_id);
await Promise.all([
Ban.delete({
user_id: user_id,
guild_id
}),
emitEvent({
event: "GUILD_BAN_REMOVE",
data: {
guild_id,
user: banned_user
},
guild_id
} as GuildBanRemoveEvent)
]);
return res.status(204).send();
});
export default router;
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