send email verification

src/api/routes/auth/verify/index.ts

@@ -0,0 +1,45 @@
+import { route, verifyCaptcha } from "@fosscord/api";
+import { Config, FieldErrors, verifyToken } from "@fosscord/util";
+import { Request, Response, Router } from "express";
+import { HTTPError } from "lambert-server";
+const router = Router();
+
+router.post(
+	"/",
+	route({ body: "VerifyEmailSchema" }),
+	async (req: Request, res: Response) => {
+		const { captcha_key, token } = req.body;
+
+		if (captcha_key) {
+			const { sitekey, service } = Config.get().security.captcha;
+			const verify = await verifyCaptcha(captcha_key);
+			if (!verify.success) {
+				return res.status(400).json({
+					captcha_key: verify["error-codes"],
+					captcha_sitekey: sitekey,
+					captcha_service: service,
+				});
+			}
+		}
+
+		try {
+			const { jwtSecret } = Config.get().security;
+
+			const { decoded, user } = await verifyToken(token, jwtSecret);
+			// toksn should last for 24 hours from the time they were issued
+			if (decoded.exp < Date.now() / 1000) {
+				throw FieldErrors({
+					token: {
+						code: "TOKEN_INVALID",
+						message: "Invalid token", // TODO: add translation
+					},
+				});
+			}
+			user.verified = true;
+		} catch (error: any) {
+			throw new HTTPError(error?.toString(), 400);
+		}
+	},
+);
+
+export default router;

src/util/entities/User.ts

@@ -31,7 +31,7 @@ import { ConnectedAccount } from "./ConnectedAccount";
 import { Member } from "./Member";
 import { UserSettings } from "./UserSettings";
 import { Session } from "./Session";
-import { Config, FieldErrors, Snowflake, trimSpecial, adjustEmail } from "..";
+import { Config, FieldErrors, Snowflake, trimSpecial, adjustEmail, Email, generateToken } from "..";
 import { Request } from "express";
 import { SecurityKey } from "./SecurityKey";
 
@@ -383,6 +383,30 @@ export class User extends BaseClass {
 
 		user.validate();
 		await Promise.all([user.save(), settings.save()]);
+		// send verification email
+		if (Email.transporter && email) {
+			const token = (await generateToken(user.id, email)) as string;
+			const link = `http://localhost:3001/verify#token=${token}`;
+			const message = {
+				from:
+					Config.get().general.correspondenceEmail ||
+					"noreply@localhost",
+				to: email,
+				subject: `Verify Email Address for ${
+					Config.get().general.instanceName
+				}`,
+				html: `Please verify your email address by clicking the following link: <a href="${link}">Verify Email</a>`,
+			};
+
+			await Email.transporter
+				.sendMail(message)
+				.then((info) => {
+					console.log("Message sent: %s", info.messageId);
+				})
+				.catch((e) => {
+					console.error(`Failed to send email to ${email}: ${e}`);
+				});
+		}
 
 		setImmediate(async () => {
 			if (Config.get().guild.autoJoin.enabled) {

src/util/schemas/VerifyEmailSchema.ts

@@ -0,0 +1,4 @@
+export interface VerifyEmailSchema {
+	captcha_key: string | null;
+	token: string;
+}

src/util/util/Token.ts

@@ -72,13 +72,34 @@ export function checkToken(
 	});
 }
 
-export async function generateToken(id: string) {
+export function verifyToken(
+	token: string,
+	jwtSecret: string,
+): Promise<{ decoded: any; user: User }> {
+	return new Promise((res, rej) => {
+		jwt.verify(token, jwtSecret, JWTOptions, async (err, decoded: any) => {
+			if (err || !decoded) return rej("Invalid Token");
+
+			const user = await User.findOne({
+				where: { id: decoded.id },
+				select: ["data", "bot", "disabled", "deleted", "rights"],
+			});
+			if (!user) return rej("Invalid Token");
+			if (user.disabled) return rej("User disabled");
+			if (user.deleted) return rej("User not found");
+
+			return res({ decoded, user });
+		});
+	});
+}
+
+export async function generateToken(id: string, email?: string) {
 	const iat = Math.floor(Date.now() / 1000);
 	const algorithm = "HS256";
 
 	return new Promise((res, rej) => {
 		jwt.sign(
-			{ id: id, iat },
+			{ id: id, email: email, iat },
 			Config.get().security.jwtSecret,
 			{
 				algorithm,