1 files changed, 157 insertions, 0 deletions
diff --git a/src/api/routes/auth/register.ts b/src/api/routes/auth/register.ts
new file mode 100644
index 00000000..09366a12
--- /dev/null
+++ b/src/api/routes/auth/register.ts
@@ -0,0 +1,157 @@
+import { Request, Response, Router } from "express";
+import { Config, generateToken, Invite, FieldErrors, User, adjustEmail, trimSpecial, RegisterSchema } from "@fosscord/util";
+import { route, getIpAdress, IPAnalysis, isProxy } from "@fosscord/api";
+import bcrypt from "bcrypt";
+import { HTTPError } from "@fosscord/util";
+
+const router: Router = Router();
+
+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) {
+		if (!body.captcha_key) {
+			const { sitekey, service } = security.captcha;
+			return res?.status(400).json({
+				captcha_key: ["captcha-required"],
+				captcha_sitekey: sitekey,
+				captcha_service: service
+			});
+		}
+
+		// TODO: check captcha
+	}
+
+	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);
+	}
+
+	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"}
+ */