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import { Request, Response, Router } from "express";
import { emitEvent, getPermission, GuildBanAddEvent, GuildBanRemoveEvent, Guild, Ban, User, Member } from "@fosscord/util";
import { HTTPError } from "lambert-server";
import { getIpAdress, route } from "@fosscord/api";
export interface BanCreateSchema {
delete_message_days?: string;
reason?: string;
};
export interface BanRegistrySchema {
id: string;
user_id: string;
guild_id: string;
executor_id: string;
ip?: string;
reason?: string | undefined;
};
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({ guild_id: guild_id });
/* Filter secret from database registry.*/
if (banned_user.user_id === banned_user.executor_id) throw DiscordApiErrors.UNKNOWN_BAN;
// hide self-bans from view to prevent victim chasing
bans.forEach((registry: BanRegistrySchema) => {
delete registry.ip;
});
return res.json(bans);
});
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({ guild_id: guild_id, user_id: user_id }) as BanRegistrySchema;
/* Filter secret from registry. */
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;
const banned_user = await User.getPublicUser(banned_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 ban = 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 = 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;
const banned_user = await User.getPublicUser(user_id);
if (banned_user.user_id === banned_user.executor_id) throw DiscordApiErrors.UNKNOWN_BAN;
// make self-bans irreversible and hide them from view to avoid victim chasing
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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