5 files changed, 395 insertions, 0 deletions
diff --git a/src/api/routes/auth/location-metadata.ts b/src/api/routes/auth/location-metadata.ts
new file mode 100644
index 00000000..f4c2bd16
--- /dev/null
+++ b/src/api/routes/auth/location-metadata.ts
@@ -0,0 +1,13 @@
+import { Router, Request, Response } from "express";
+import { route } from "@fosscord/api";
+import { getIpAdress, IPAnalysis } from "@fosscord/api";
+const router = Router();
+
+router.get("/",route({}), async (req: Request, res: Response) => {
+    //TODO
+    //Note: It's most likely related to legal. At the moment Discord hasn't finished this too
+    const country_code = (await IPAnalysis(getIpAdress(req))).country_code;
+	res.json({ consent_required: false, country_code: country_code, promotional_email_opt_in: { required: true, pre_checked: false}});
+});
+
+export default router;
diff --git a/src/api/routes/auth/login.ts b/src/api/routes/auth/login.ts
new file mode 100644
index 00000000..bcaccb30
--- /dev/null
+++ b/src/api/routes/auth/login.ts
@@ -0,0 +1,105 @@
+import { Request, Response, Router } from "express";
+import { route, getIpAdress, verifyCaptcha } from "@fosscord/api";
+import bcrypt from "bcrypt";
+import { Config, User, generateToken, adjustEmail, FieldErrors } from "@fosscord/util";
+import crypto from "crypto";
+
+const router: Router = Router();
+export default router;
+
+export interface LoginSchema {
+	login: string;
+	password: string;
+	undelete?: boolean;
+	captcha_key?: string;
+	login_source?: string;
+	gift_code_sku_id?: string;
+}
+
+router.post("/", route({ body: "LoginSchema" }), async (req: Request, res: Response) => {
+	const { login, password, captcha_key, undelete } = req.body as LoginSchema;
+	const email = adjustEmail(login);
+	console.log("login", email);
+
+	const config = Config.get();
+
+	if (config.login.requireCaptcha && config.security.captcha.enabled) {
+		const { sitekey, service } = config.security.captcha;
+		if (!captcha_key) {
+			return res.status(400).json({
+				captcha_key: ["captcha-required"],
+				captcha_sitekey: sitekey,
+				captcha_service: service
+			});
+		}
+
+		const ip = getIpAdress(req);
+		const verify = await verifyCaptcha(captcha_key, ip);
+		if (!verify.success) {
+			return res.status(400).json({
+				captcha_key: verify["error-codes"],
+				captcha_sitekey: sitekey,
+				captcha_service: service
+			});
+		}
+	}
+
+	const user = await User.findOneOrFail({
+		where: [{ phone: login }, { email: login }],
+		select: ["data", "id", "disabled", "deleted", "settings", "totp_secret", "mfa_enabled"]
+	}).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 User.update({ id: user.id }, { disabled: false });
+		if (user.deleted) await User.update({ id: user.id }, { deleted: false });
+	} 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.data.hash || "");
+	if (!same_password) {
+		throw FieldErrors({ password: { message: req.t("auth:login.INVALID_PASSWORD"), code: "INVALID_PASSWORD" } });
+	}
+
+	if (user.mfa_enabled) {
+		// TODO: This is not a discord.com ticket. I'm not sure what it is but I'm lazy
+		const ticket = crypto.randomBytes(40).toString("hex");
+
+		await User.update({ id: user.id }, { totp_last_ticket: ticket });
+
+		return res.json({
+			ticket: ticket,
+			mfa: true,
+			sms: false,	// TODO
+			token: null,
+		})
+	}
+
+	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, settings: user.settings });
+});
+
+/**
+ * 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", "settings": {"locale": "en", "theme": "dark"}}
+
+ */
diff --git a/src/api/routes/auth/mfa/totp.ts b/src/api/routes/auth/mfa/totp.ts
new file mode 100644
index 00000000..50b9e9c8
--- /dev/null
+++ b/src/api/routes/auth/mfa/totp.ts
@@ -0,0 +1,56 @@
+import { Router, Request, Response } from "express";
+import { route } from "@fosscord/api";
+import { BackupCode, FieldErrors, generateToken, User } from "@fosscord/util";
+import { verifyToken } from "node-2fa";
+import { HTTPError } from "lambert-server";
+const router = Router();
+
+export interface TotpSchema {
+	code: string,
+	ticket: string,
+	gift_code_sku_id?: string | null,
+	login_source?: string | null,
+}
+
+router.post("/", route({ body: "TotpSchema" }), async (req: Request, res: Response) => {
+	const { code, ticket, gift_code_sku_id, login_source } = req.body as TotpSchema;
+
+	const user = await User.findOneOrFail({
+		where: {
+			totp_last_ticket: ticket,
+		},
+		select: [
+			"id",
+			"totp_secret",
+			"settings",
+		],
+	});
+
+	const backup = await BackupCode.findOne({
+		where: {
+			code: code,
+			expired: false,
+			consumed: false,
+			user: { id: user.id }
+		}
+	});
+
+	if (!backup) {
+		const ret = verifyToken(user.totp_secret!, code);
+		if (!ret || ret.delta != 0)
+			throw new HTTPError(req.t("auth:login.INVALID_TOTP_CODE"), 60008);
+	}
+	else {
+		backup.consumed = true;
+		await backup.save();
+	}
+
+	await User.update({ id: user.id }, { totp_last_ticket: "" });
+
+	return res.json({
+		token: await generateToken(user.id),
+		user_settings: user.settings,
+	});
+});
+
+export default router;
diff --git a/src/api/routes/auth/register.ts b/src/api/routes/auth/register.ts
new file mode 100644
index 00000000..b7122dad
--- /dev/null
+++ b/src/api/routes/auth/register.ts
@@ -0,0 +1,195 @@
+import { Request, Response, Router } from "express";
+import { Config, generateToken, Invite, FieldErrors, User, adjustEmail } from "@fosscord/util";
+import { route, getIpAdress, IPAnalysis, isProxy, verifyCaptcha } from "@fosscord/api";
+import "missing-native-js-functions";
+import bcrypt from "bcrypt";
+import { HTTPError } from "lambert-server";
+
+const router: Router = Router();
+
+export interface RegisterSchema {
+	/**
+	 * @minLength 2
+	 * @maxLength 32
+	 */
+	username: string;
+	/**
+	 * @minLength 1
+	 * @maxLength 72
+	 */
+	password?: string;
+	consent: boolean;
+	/**
+	 * @TJS-format email
+	 */
+	email?: string;
+	fingerprint?: string;
+	invite?: string;
+	/**
+	 * @TJS-type string
+	 */
+	date_of_birth?: Date; // "2000-04-03"
+	gift_code_sku_id?: string;
+	captcha_key?: string;
+
+	promotional_email_opt_in?: boolean;
+}
+
+router.post("/", route({ body: "RegisterSchema" }), async (req: Request, res: Response) => {
+	const body = req.body as RegisterSchema;
+	const { register, security } = Config.get();
+	const ip = getIpAdress(req);
+
+	// email will be slightly modified version of the user supplied email -> e.g. protection against GMail Trick
+	let email = adjustEmail(body.email);
+
+	// check if registration is allowed
+	if (!register.allowNewRegistration) {
+		throw FieldErrors({
+			email: { code: "REGISTRATION_DISABLED", message: req.t("auth:register.REGISTRATION_DISABLED") }
+		});
+	}
+
+	// check if the user agreed to the Terms of Service
+	if (!body.consent) {
+		throw FieldErrors({
+			consent: { code: "CONSENT_REQUIRED", message: req.t("auth:register.CONSENT_REQUIRED") }
+		});
+	}
+
+	if (register.disabled) {
+		throw FieldErrors({
+			email: {
+				code: "DISABLED",
+				message: "registration is disabled on this instance"
+			}
+		});
+	}
+
+	if (register.requireCaptcha && security.captcha.enabled) {
+		const { sitekey, service } = security.captcha;
+		if (!body.captcha_key) {
+			return res?.status(400).json({
+				captcha_key: ["captcha-required"],
+				captcha_sitekey: sitekey,
+				captcha_service: service
+			});
+		}
+
+		const verify = await verifyCaptcha(body.captcha_key, ip);
+		if (!verify.success) {
+			return res.status(400).json({
+				captcha_key: verify["error-codes"],
+				captcha_sitekey: sitekey,
+				captcha_service: service
+			});
+		}
+	}
+
+	if (!register.allowMultipleAccounts) {
+		// TODO: check if fingerprint was eligible generated
+		const exists = await User.findOne({ where: { fingerprints: body.fingerprint }, select: ["id"] });
+
+		if (exists) {
+			throw FieldErrors({
+				email: {
+					code: "EMAIL_ALREADY_REGISTERED",
+					message: req.t("auth:register.EMAIL_ALREADY_REGISTERED")
+				}
+			});
+		}
+	}
+
+	if (register.blockProxies) {
+		if (isProxy(await IPAnalysis(ip))) {
+			console.log(`proxy ${ip} blocked from registration`);
+			throw new HTTPError("Your IP is blocked from registration");
+		}
+	}
+
+	// TODO: gift_code_sku_id?
+	// TODO: check password strength
+
+	if (email) {
+		// replace all dots and chars after +, if its a gmail.com email
+		if (!email) {
+			throw FieldErrors({ email: { code: "INVALID_EMAIL", message: req?.t("auth:register.INVALID_EMAIL") } });
+		}
+
+		// check if there is already an account with this email
+		const exists = await User.findOne({ where: { email: email } });
+
+		if (exists) {
+			throw FieldErrors({
+				email: {
+					code: "EMAIL_ALREADY_REGISTERED",
+					message: req.t("auth:register.EMAIL_ALREADY_REGISTERED")
+				}
+			});
+		}
+	} else if (register.email.required) {
+		throw FieldErrors({
+			email: { code: "BASE_TYPE_REQUIRED", message: req.t("common:field.BASE_TYPE_REQUIRED") }
+		});
+	}
+
+	if (register.dateOfBirth.required && !body.date_of_birth) {
+		throw FieldErrors({
+			date_of_birth: { code: "BASE_TYPE_REQUIRED", message: req.t("common:field.BASE_TYPE_REQUIRED") }
+		});
+	} else if (register.dateOfBirth.required && register.dateOfBirth.minimum) {
+		const minimum = new Date();
+		minimum.setFullYear(minimum.getFullYear() - register.dateOfBirth.minimum);
+		body.date_of_birth = new Date(body.date_of_birth as Date);
+
+		// higher is younger
+		if (body.date_of_birth > minimum) {
+			throw FieldErrors({
+				date_of_birth: {
+					code: "DATE_OF_BIRTH_UNDERAGE",
+					message: req.t("auth:register.DATE_OF_BIRTH_UNDERAGE", { years: register.dateOfBirth.minimum })
+				}
+			});
+		}
+	}
+
+	if (body.password) {
+		// the salt is saved in the password refer to bcrypt docs
+		body.password = await bcrypt.hash(body.password, 12);
+	} else if (register.password.required) {
+		throw FieldErrors({
+			password: { code: "BASE_TYPE_REQUIRED", message: req.t("common:field.BASE_TYPE_REQUIRED") }
+		});
+	}
+
+	if (!body.invite && (register.requireInvite || (register.guestsRequireInvite && !register.email))) {
+		// require invite to register -> e.g. for organizations to send invites to their employees
+		throw FieldErrors({
+			email: { code: "INVITE_ONLY", message: req.t("auth:register.INVITE_ONLY") }
+		});
+	}
+
+	const user = await User.register({ ...body, req });
+
+	if (body.invite) {
+		// await to fail if the invite doesn't exist (necessary for requireInvite to work properly) (username only signups are possible)
+		await Invite.joinGuild(user.id, body.invite);
+	}
+
+	console.log("register", body.email, body.username, ip);
+
+	return res.json({ token: await generateToken(user.id) });
+});
+
+export default router;
+
+/**
+ * POST /auth/register
+ * @argument { "fingerprint":"805826570869932034.wR8vi8lGlFBJerErO9LG5NViJFw", "email":"qo8etzvaf@gmail.com", "username":"qp39gr98", "password":"wtp9gep9gw", "invite":null, "consent":true, "date_of_birth":"2000-04-04", "gift_code_sku_id":null, "captcha_key":null}
+ *
+ * Field Error
+ * @returns { "code": 50035, "errors": { "consent": { "_errors": [{ "code": "CONSENT_REQUIRED", "message": "You must agree to Discord's Terms of Service and Privacy Policy." }]}}, "message": "Invalid Form Body"}
+ *
+ * Success 200:
+ * @returns {token: "OMITTED"}
+ */
diff --git a/src/api/routes/auth/verify/view-backup-codes-challenge.ts b/src/api/routes/auth/verify/view-backup-codes-challenge.ts
new file mode 100644
index 00000000..36bfeb0c
--- /dev/null
+++ b/src/api/routes/auth/verify/view-backup-codes-challenge.ts
@@ -0,0 +1,26 @@
+import { Router, Request, Response } from "express";
+import { route } from "@fosscord/api";
+import { FieldErrors, User } from "@fosscord/util";
+import bcrypt from "bcrypt";
+const router = Router();
+
+export interface BackupCodesChallengeSchema {
+	password: string;
+}
+
+router.post("/", route({ body: "BackupCodesChallengeSchema" }), async (req: Request, res: Response) => {
+	const { password } = req.body as BackupCodesChallengeSchema;
+
+	const user = await User.findOneOrFail({ where: { id: req.user_id }, select: ["data"] });
+
+	if (!await bcrypt.compare(password, user.data.hash || "")) {
+		throw FieldErrors({ password: { message: req.t("auth:login.INVALID_PASSWORD"), code: "INVALID_PASSWORD" } });
+	}
+
+	return res.json({
+		nonce: "NoncePlaceholder",
+		regenerate_nonce: "RegenNoncePlaceholder",
+	});
+});
+
+export default router;