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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 { route } from "@spacebar/api";
import {
ApiError,
Application,
ApplicationAuthorizeSchema,
DiscordApiErrors,
Member,
Permissions,
User,
getPermission,
} from "@spacebar/util";
import { Request, Response, Router } from "express";
const router = Router();
// TODO: scopes, other oauth types
router.get(
"/",
route({
responses: {
// TODO: I really didn't feel like typing all of it out
200: {},
400: {
body: "APIErrorResponse",
},
404: {
body: "APIErrorResponse",
},
},
}),
async (req: Request, res: Response) => {
// const { client_id, scope, response_type, redirect_url } = req.query;
const { client_id } = 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"],
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
//@ts-ignore
// prettier-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({
requestBody: "ApplicationAuthorizeSchema",
query: {
client_id: {
type: "string",
},
},
responses: {
200: {
body: "OAuthAuthorizeResponse",
},
400: {
body: "APIErrorResponse",
},
403: {
body: "APIErrorResponse",
},
404: {
body: "APIErrorResponse",
},
},
}),
async (req: Request, res: Response) => {
const body = req.body as ApplicationAuthorizeSchema;
// const { client_id, scope, response_type, redirect_url } = req.query;
const { client_id } = 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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