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import { Router, Request, Response } from "express";
import { route } from "@fosscord/api";
import { ApiError, Application, ApplicationAuthorizeSchema, getPermission, DiscordApiErrors, Member, Permissions, User, getRights, Rights, MemberPrivateProjection } from "@fosscord/util";
const router = Router();
// TODO: scopes, other oauth types
router.get("/", route({}), async (req: Request, res: Response) => {
const {
client_id,
scope,
response_type,
redirect_url,
} = req.query;
const app = await Application.findOne({
where: {
id: client_id as string,
},
relations: ["bot"],
});
// TODO: use DiscordApiErrors
// findOneOrFail throws code 404
if (!app) throw DiscordApiErrors.UNKNOWN_APPLICATION;
if (!app.bot) throw DiscordApiErrors.OAUTH2_APPLICATION_BOT_ABSENT;
const bot = app.bot;
delete app.bot;
const user = await User.findOneOrFail({
where: {
id: req.user_id,
bot: false,
},
select: ["id", "username", "avatar", "discriminator", "public_flags"]
});
const guilds = await Member.find({
where: {
user: {
id: req.user_id,
},
},
relations: ["guild", "roles"],
//@ts-ignore
select: ["guild.id", "guild.name", "guild.icon", "guild.mfa_level", "guild.owner_id", "roles.id"]
});
const guildsWithPermissions = guilds.map(x => {
const perms = x.guild.owner_id === user.id
? new Permissions(Permissions.FLAGS.ADMINISTRATOR)
: Permissions.finalPermission({
user: {
id: user.id,
roles: x.roles?.map(x => x.id) || [],
},
guild: {
roles: x?.roles || [],
}
});
return {
id: x.guild.id,
name: x.guild.name,
icon: x.guild.icon,
mfa_level: x.guild.mfa_level,
permissions: perms.bitfield.toString(),
};
});
return res.json({
guilds: guildsWithPermissions,
user: {
id: user.id,
username: user.username,
avatar: user.avatar,
avatar_decoration: null, // TODO
discriminator: user.discriminator,
public_flags: user.public_flags,
},
application: {
id: app.id,
name: app.name,
icon: app.icon,
description: app.description,
summary: app.summary,
type: app.type,
hook: app.hook,
guild_id: null, // TODO support guilds
bot_public: app.bot_public,
bot_require_code_grant: app.bot_require_code_grant,
verify_key: app.verify_key,
flags: app.flags,
},
bot: {
id: bot.id,
username: bot.username,
avatar: bot.avatar,
avatar_decoration: null, // TODO
discriminator: bot.discriminator,
public_flags: bot.public_flags,
bot: true,
approximated_guild_count: 0, // TODO
},
authorized: false,
});
});
router.post("/", route({ body: "ApplicationAuthorizeSchema" }), async (req: Request, res: Response) => {
const body = req.body as ApplicationAuthorizeSchema;
const {
client_id,
scope,
response_type,
redirect_url
} = req.query;
// TODO: captcha verification
// TODO: MFA verification
const perms = await getPermission(req.user_id, body.guild_id, undefined, { member_relations: ["user"] });
// getPermission cache won't exist if we're owner
if (Object.keys(perms.cache || {}).length > 0 && perms.cache.member!.user.bot) throw DiscordApiErrors.UNAUTHORIZED;
perms.hasThrow("MANAGE_GUILD");
const app = await Application.findOne({
where: {
id: client_id as string,
},
relations: ["bot"],
});
// TODO: use DiscordApiErrors
// findOneOrFail throws code 404
if (!app) throw new ApiError("Unknown Application", 10002, 404);
if (!app.bot) throw new ApiError("OAuth2 application does not have a bot", 50010, 400);
await Member.addToGuild(app.id, body.guild_id);
return res.json({
location: "/oauth2/authorized", // redirect URL
});
});
export default router;
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