<?php

checkPasswordFormat($_POST['password']);

checkUsernameFormat($_POST['username']);

$username = hashUsername($_POST['username']);

if (usernameExists($username) !== false)
	output(403, _('This username is already taken.'));

rateLimit();

$id = hash('sha256', random_bytes(32));

insert('users', [
	'id' => $id,
	'username' => $username,
	'password' => hashPassword($_POST['password']),
	'registration_date' => date('Y-m-d H:i:s'),
	'bucket_tokens' => 0,
	'bucket_last_update' => 0,
	'type' => 'testing',
]);

// Setup SFTP directory
umask(0002);
if (mkdir(CONF['ht']['ht_path'] . '/' . $id, 0775) !== true)
	output(500, 'Can\'t create user directory.');
exec(CONF['ht']['sudo_path'] . ' ' . CONF['ht']['chgrp_path'] . ' ' . CONF['ht']['sftpgo_group'] . ' ' . CONF['ht']['ht_path'] . '/' . $id . ' --no-dereference', result_code: $code);
if ($code !== 0)
	output(500, 'Can\'t change user directory group.');

// Setup Tor config directory
if (mkdir(CONF['ht']['tor_config_path'] . '/' . $id, 0755) !== true)
	output(500, 'Can\'t create Tor config directory.');

// Setup Tor keys directory
exec(CONF['ht']['sudo_path'] . ' -u ' . CONF['ht']['tor_user'] . ' ' . CONF['ht']['mkdir_path'] . ' --mode=0700 ' . CONF['ht']['tor_keys_path'] . '/' . $id, result_code: $code);
if ($code !== 0)
	output(500, 'Can\'t create Tor keys directory.');

stopSession();
startSession();

$_SESSION['id'] = $id;
$_SESSION['type'] = 'testing';

setupDisplayUsername($_POST['username']);

redir();