Files
streba/src/routes/signup/+page.server.ts
T

47 lines
1.5 KiB
TypeScript

import { fail, redirect } from '@sveltejs/kit';
import { createSession, createUser, findUser } from '$lib/server/auth';
import { createCaptcha, verifyCaptcha } from '$lib/server/captcha';
import type { Actions, PageServerLoad } from './$types';
export const load: PageServerLoad = () => {
return { captcha: createCaptcha() };
};
export const actions: Actions = {
default: async ({ request, cookies }) => {
const form = await request.formData();
const username = String(form.get('username') ?? '').trim();
const password = String(form.get('password') ?? '');
// honeypot: real browsers leave this hidden field empty
if (String(form.get('website') ?? '') !== '') {
return fail(400, { username, error: 'Signup rejected.' });
}
if (!verifyCaptcha(String(form.get('token') ?? ''), String(form.get('captcha') ?? ''))) {
return fail(400, { username, error: 'The characters did not match - try the new image.' });
}
if (!/^[a-zA-Z0-9_.-]{3,30}$/.test(username)) {
return fail(400, {
username,
error: 'Username must be 3-30 characters (letters, digits, _ . -).'
});
}
if (password.length < 8) {
return fail(400, { username, error: 'Password must be at least 8 characters.' });
}
if (findUser(username)) {
return fail(400, { username, error: 'That username is taken.' });
}
const user = createUser(username, password);
cookies.set('session', createSession(user.id), {
path: '/',
httpOnly: true,
sameSite: 'lax',
maxAge: 30 * 86400
});
redirect(303, '/');
}
};