Move src-slowcord to own repo https://github.com/MaddyUnderStars/slowcord-services

src/api/middlewares/Authentication.ts

@@ -25,6 +25,8 @@ export const NO_AUTHORIZATION_ROUTES = [
 	"/track",
 	// Public policy pages
 	"/policies/instance",
+	// Oauth callback
+	"/oauth2/callback",
 	// Asset delivery
 	/\/guilds\/\d+\/widget\.(json|png)/,
 ];

src/api/routes/oauth2/callback.ts

@@ -0,0 +1,38 @@
+import { Router, Request, Response } from "express";
+import { route, OauthCallbackHandlers } from "@fosscord/api";
+import { FieldErrors, generateToken, User } from "@fosscord/util";
+const router = Router();
+
+router.get("/:type", route({}), async (req: Request, res: Response) => {
+	const { type } = req.params;
+	const handler = OauthCallbackHandlers[type];
+	if (!handler) throw FieldErrors({
+		type: {
+			code: "BASE_TYPE_CHOICES",
+			message: `Value must be one of (${Object.keys(OauthCallbackHandlers).join(", ")}).`,
+		}
+	});
+
+	const { code } = req.query;
+	if (!code || typeof code !== "string") throw FieldErrors({ code: { code: "BASE_TYPE_REQUIRED", message: req.t("common:field.BASE_TYPE_REQUIRED"), } });
+	const access = await handler.getAccessToken(code);
+
+	const oauthUser = await handler.getUserDetals(access.access_token);
+
+	let user = await User.findOne({ where: { email: oauthUser.email } });
+	if (!user) {
+		user = await User.register({
+			email: oauthUser.email,
+			username: oauthUser.username,
+			req
+		});
+
+		// TODO: upload pfp, banner?
+	}
+
+	const token = await generateToken(user.id);
+
+	return { token };
+});
+
+export default router;

src/api/routes/policies/instance/stats.ts

@@ -0,0 +1,21 @@
+import { Router, Request, Response } from "express";
+import { route } from "@fosscord/api";
+import { Attachment, Config, Guild, Message, RateLimit, Session, User } from "@fosscord/util";
+const router = Router();
+
+router.get("/", route({}), async (req: Request, res: Response) => {
+	res.json({
+		all_time: {
+			users: await User.count(),
+			guilds: await Guild.count(),
+			messages: await Message.count(),
+			attachments: await Attachment.count(),
+		},
+		now: {
+			sessions: await Session.count(),
+			rate_limits: await RateLimit.count(),
+		}
+	});
+});
+
+export default router;

src/api/util/handlers/Oauth.ts

@@ -0,0 +1,83 @@
+// TODO: Puyo's connections PR would replace this file
+
+import { Config } from "@fosscord/util";
+import fetch from "node-fetch";
+
+export interface OauthAccessToken {
+	access_token: string;
+	token_type: string;
+	expires_in: string;
+	refresh_token: string;
+	scope: string;
+};
+
+export interface OauthUserDetails {
+	id: string;
+	email: string;
+	username: string;
+	avatar_url: string | null;
+}
+
+interface Connection {
+	getAccessToken: (code: string) => Promise<OauthAccessToken>;
+	getUserDetals: (token: string) => Promise<OauthUserDetails>;
+}
+
+const DiscordConnection: Connection = {
+	getAccessToken: async (code) => {
+		const { external } = Config.get();
+		const { discord } = external;
+
+		if (!discord.id || !discord.secret || !discord.redirect)
+			throw new Error("Discord Oauth has not been configured.")
+
+		const body = new URLSearchParams(
+			Object.entries({
+				client_id: discord.id as string,
+				client_secret: discord.secret as string,
+				redirect_uri: discord.redirect as string,
+				code: code as string,
+				grant_type: "authorization_code",
+			})
+		).toString();
+
+		const resp = await fetch("https://discord.com/api/oauth2/token", {
+			method: "POST",
+			headers: {
+				"Content-Type": "application/x-www-form-urlencoded",
+			},
+			body: body,
+		});
+		if (resp.status !== 200) throw new Error(`Failed to get access token.`,);
+
+		const json = await resp.json();
+
+		return json;
+	},
+
+	getUserDetals: async (token) => {
+		const resp = await fetch("https://discord.com/api/users/@me", {
+			headers: {
+				Authorization: `Bearer ${token}`
+			},
+		});
+
+		const json = await resp.json();
+		if (!json.username || !json.email) throw new Error("Failed to get user details via oauth");
+
+		return {
+			id: json.id,
+			email: json.email,
+			username: json.username,
+			avatar_url: json.avatar
+				? `https://cdn.discordapp.com/avatars/${json.id}/${json.avatar}?size=2048`
+				: null,
+		};
+	}
+};
+
+const OauthCallbackHandlers: { [key: string]: Connection; } = {
+	discord: DiscordConnection
+};
+
+export { OauthCallbackHandlers };

src/api/util/index.ts

@@ -7,4 +7,5 @@ export * from "./handlers/route";
 export * from "./utility/String";
 export * from "./handlers/Voice";
 export * from "./utility/captcha";
-export * from "./utility/EmbedHandlers";
+export * from "./utility/EmbedHandlers";
+export * from "./handlers/Oauth";