1 files changed, 113 insertions, 0 deletions
diff --git a/api/src/routes/auth/login.ts b/api/src/routes/auth/login.ts
new file mode 100644
index 00000000..c3661608
--- /dev/null
+++ b/api/src/routes/auth/login.ts
@@ -0,0 +1,113 @@
+import { Request, Response, Router } from "express";
+import { check, FieldErrors, Length } from "../../util/instanceOf";
+import bcrypt from "bcrypt";
+import jwt from "jsonwebtoken";
+import { Config, UserModel } from "@fosscord/server-util";
+import { adjustEmail } from "./register";
+import RateLimit from "../../middlewares/RateLimit";
+
+const router: Router = Router();
+export default router;
+
+// TODO: check if user is deleted --> prohibit login
+
+router.post(
+	"/",
+	check({
+		login: new Length(String, 2, 100), // email or telephone
+		password: new Length(String, 8, 72),
+		$undelete: Boolean,
+		$captcha_key: String,
+		$login_source: String,
+		$gift_code_sku_id: String
+	}),
+	async (req: Request, res: Response) => {
+		const { login, password, captcha_key, undelete } = req.body;
+		const email = adjustEmail(login);
+		const query: any[] = [{ phone: login }];
+		if (email) query.push({ email });
+
+		// TODO: Rewrite this to have the proper config syntax on the new method
+
+		const config = Config.get();
+
+		if (config.login.requireCaptcha && config.security.captcha.enabled) {
+			if (!captcha_key) {
+				const { sitekey, service } = config.security.captcha;
+				return res.status(400).json({
+					captcha_key: ["captcha-required"],
+					captcha_sitekey: sitekey,
+					captcha_service: service
+				});
+			}
+
+			// TODO: check captcha
+		}
+
+		const user = await UserModel.findOne(
+			{ $or: query },
+			{ user_data: { hash: true }, id: true, disabled: true, deleted: true, user_settings: { locale: true, theme: true } }
+		)
+			.exec()
+			.catch((e) => {
+				throw FieldErrors({ login: { message: req.t("auth:login.INVALID_LOGIN"), code: "INVALID_LOGIN" } });
+			});
+
+		if (undelete) {
+			// undelete refers to un'disable' here
+			if (user.disabled) await UserModel.updateOne({ id: user.id }, { disabled: false }).exec();
+			if (user.deleted) await UserModel.updateOne({ id: user.id }, { deleted: false }).exec();
+		} else {
+			if (user.deleted) return res.status(400).json({ message: "This account is scheduled for deletion.", code: 20011 });
+			if (user.disabled) return res.status(400).json({ message: req.t("auth:login.ACCOUNT_DISABLED"), code: 20013 });
+		}
+
+		// the salt is saved in the password refer to bcrypt docs
+		const same_password = await bcrypt.compare(password, user.user_data.hash || "");
+		if (!same_password) {
+			throw FieldErrors({ password: { message: req.t("auth:login.INVALID_PASSWORD"), code: "INVALID_PASSWORD" } });
+		}
+
+		const token = await generateToken(user.id);
+
+		// Notice this will have a different token structure, than discord
+		// Discord header is just the user id as string, which is not possible with npm-jsonwebtoken package
+		// https://user-images.githubusercontent.com/6506416/81051916-dd8c9900-8ec2-11ea-8794-daf12d6f31f0.png
+
+		res.json({ token, user_settings: user.user_settings });
+	}
+);
+
+export async function generateToken(id: string) {
+	const iat = Math.floor(Date.now() / 1000);
+	const algorithm = "HS256";
+
+	return new Promise((res, rej) => {
+		jwt.sign(
+			{ id: id, iat },
+			Config.get().security.jwtSecret,
+			{
+				algorithm
+			},
+			(err, token) => {
+				if (err) return rej(err);
+				return res(token);
+			}
+		);
+	});
+}
+
+/**
+ * POST /auth/login
+ * @argument { login: "email@gmail.com", password: "cleartextpassword", undelete: false, captcha_key: null, login_source: null, gift_code_sku_id: null, }
+
+ * MFA required:
+ * @returns {"token": null, "mfa": true, "sms": true, "ticket": "SOME TICKET JWT TOKEN"}
+
+ * Captcha required:
+ * @returns {"captcha_key": ["captcha-required"], "captcha_sitekey": null, "captcha_service": "recaptcha"}
+
+ * Sucess:
+ * @returns {"token": "USERTOKEN", "user_settings": {"locale": "en", "theme": "dark"}}
+
+ */