431 lines
14 KiB
PHP
431 lines
14 KiB
PHP
<?php
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/**
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* Holds the auth controllers.
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*
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* @package Sakura
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*/
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namespace Sakura\Controllers;
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use Sakura\ActionCode;
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use Sakura\Config;
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use Sakura\DB;
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use Sakura\Hashing;
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use Sakura\Net;
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use Sakura\Perms\Site;
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use Sakura\Router;
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use Sakura\Session;
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use Sakura\Template;
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use Sakura\User;
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use Sakura\Users;
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use Sakura\Utils;
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/**
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* Authentication controllers.
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*
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* @package Sakura
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* @author Julian van de Groep <me@flash.moe>
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*/
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class AuthController extends Controller
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{
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protected function touchRateLimit($user, $mode = 0)
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{
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DB::table('login_attempts')
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->insert([
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'attempt_success' => $mode,
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'attempt_timestamp' => time(),
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'attempt_ip' => Net::pton(Net::IP()),
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'user_id' => $user,
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]);
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}
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public function logout()
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{
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// Check if user is logged in
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$check = Users::checkLogin();
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if (!$check || !isset($_REQUEST['s']) || $_REQUEST['s'] != session_id()) {
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$message = 'Something happened! This probably happened because you went here without being logged in.';
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$redirect = (isset($_REQUEST['redirect']) ? $_REQUEST['redirect'] : Router::route('main.index'));
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Template::vars(['page' => ['success' => 0, 'redirect' => $redirect, 'message' => $message]]);
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return Template::render('global/information');
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}
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// Destroy the active session
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(new Session($check[0], $check[1]))->destroy();
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// Return true indicating a successful logout
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$message = 'Goodbye!';
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$redirect = Router::route('auth.login');
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Template::vars(['page' => ['success' => 1, 'redirect' => $redirect, 'message' => $message]]);
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return Template::render('global/information');
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}
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public function loginGet()
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{
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return Template::render('main/login');
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}
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public function loginPost()
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{
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// Preliminarily set login to failed
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$success = 0;
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$redirect = Router::route('auth.login');
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// Check if authentication is disallowed
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if (Config::get('lock_authentication')) {
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$message = 'Logging in is disabled for security checkups! Try again later.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Get request variables
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$username = isset($_REQUEST['username']) ? $_REQUEST['username'] : null;
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$password = isset($_REQUEST['password']) ? $_REQUEST['password'] : null;
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$remember = isset($_REQUEST['remember']);
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// Check if we haven't hit the rate limit
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$rates = DB::table('login_attempts')
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->where('attempt_ip', Net::pton(Net::IP()))
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->where('attempt_timestamp', '>', time() - 1800)
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->where('attempt_success', '0')
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->count();
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if ($rates > 4) {
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$message = 'Your have hit the login rate limit, try again later.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Get account data
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$user = User::construct(Utils::cleanString($username, true, true));
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// Check if the user that's trying to log in actually exists
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if ($user->id === 0) {
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$this->touchRateLimit($user->id);
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$message = 'The user you tried to log into does not exist.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Validate password
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switch ($user->passwordAlgo) {
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// Disabled
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case 'disabled':
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$this->touchRateLimit($user->id);
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$message = 'Logging into this account is disabled.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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// Default hashing method
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default:
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if (!Hashing::validatePassword($password, [
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$user->passwordAlgo,
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$user->passwordIter,
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$user->passwordSalt,
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$user->passwordHash,
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])) {
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$this->touchRateLimit($user->id);
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$message = 'The password you entered was invalid.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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}
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// Check if the user has the required privs to log in
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if ($user->permission(Site::DEACTIVATED)) {
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$this->touchRateLimit($user->id);
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$message = 'Your account does not have the required permissions to log in.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Create a new session
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$session = new Session($user->id);
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// Generate a session key
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$sessionKey = $session->create($remember);
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// User ID cookie
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setcookie(
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Config::get('cookie_prefix') . 'id',
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$user->id,
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time() + 604800,
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Config::get('cookie_path')
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);
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// Session ID cookie
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setcookie(
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Config::get('cookie_prefix') . 'session',
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$sessionKey,
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time() + 604800,
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Config::get('cookie_path')
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);
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$this->touchRateLimit($user->id, 1);
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$success = 1;
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$redirect = $user->lastOnline
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? (isset($_REQUEST['redirect'])
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? $_REQUEST['redirect']
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: Router::route('main.index'))
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: Router::route('main.infopage', 'welcome');
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$message = 'Welcome' . ($user->lastOnline ? ' back' : '') . '!';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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public function registerGet()
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{
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// Attempt to check if a user has already registered from the current IP
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$getUserIP = DB::table('users')
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->where('register_ip', Net::pton(Net::IP()))
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->orWhere('last_ip', Net::pton(Net::IP()))
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->get();
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Template::vars([
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'haltRegistration' => count($getUserIP) > 1,
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'haltName' => $getUserIP[array_rand($getUserIP)]->username,
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]);
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return Template::render('main/register');
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}
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public function registerPost()
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{
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// Preliminarily set registration to failed
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$success = 0;
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$redirect = Router::route('auth.register');
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// Check if authentication is disallowed
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if (Config::get('lock_authentication') || Config::get('disable_registration')) {
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$message = 'Registration is disabled for security checkups! Try again later.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Check if authentication is disallowed
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if (!isset($_POST['session']) || $_POST['session'] != session_id()) {
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$message = "Your session expired, refreshing the page will most likely fix this!";
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Grab forms
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$username = isset($_POST['username']) ? $_POST['username'] : null;
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$password = isset($_POST['password']) ? $_POST['password'] : null;
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$email = isset($_POST['email']) ? $_POST['email'] : null;
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$captcha = isset($_POST['g-recaptcha-response']) ? $_POST['g-recaptcha-response'] : null;
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$terms = isset($_POST['tos']);
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// Append username and email to the redirection url
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$redirect .= "?username={$username}&email={$email}";
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// Check if the user agreed to the ToS
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if (!$terms) {
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$message = 'You are required to agree to the Terms of Service.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Check if we require a captcha
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if (Config::get('recaptcha')) {
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// Get secret key from the config
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$secret = Config::get('recaptcha_private');
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// Attempt to verify the captcha
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$response = Net::fetch("https://google.com/recaptcha/api/siteverify?secret={$secret}&response={$captcha}");
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// Attempt to decode as json
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if ($response) {
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$response = json_decode($response);
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}
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if (!$response || !$response->success) {
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$message = 'Captcha verification failed, please try again.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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}
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// Attempt to get account data
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$user = User::construct(Utils::cleanString($username, true, true));
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// Check if the username already exists
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if ($user && $user->id !== 0) {
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$message = "{$user->username} is already a member here! If this is you please use the password reset form instead of making a new account.";
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Username too short
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if (strlen($username) < Config::get('username_min_length')) {
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$message = 'Your name must be at least 3 characters long.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Username too long
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if (strlen($username) > Config::get('username_max_length')) {
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$message = 'Your name can\'t be longer than 16 characters.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Check if the given email address is formatted properly
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if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
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$message = 'Your e-mail address is formatted incorrectly.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Check the MX record of the email
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if (!Utils::checkMXRecord($email)) {
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$message = 'No valid MX-Record found on the e-mail address you supplied.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Check if the e-mail has already been used
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$emailCheck = DB::table('users')
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->where('email', $email)
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->count();
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if ($emailCheck) {
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$message = 'Someone already registered using this email!';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Check password entropy
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if (Utils::pwdEntropy($password) < Config::get('min_entropy')) {
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$message = 'Your password is too weak, try adding some special characters.';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Set a few variables
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$requireActive = Config::get('require_activation');
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$ranks = $requireActive ? [1] : [2];
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// Create the user
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$user = User::create($username, $password, $email, $ranks);
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// Check if we require e-mail activation
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if ($requireActive) {
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// Send activation e-mail to user
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Users::sendActivationMail($user->id);
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}
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// Return true with a specific message if needed
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$success = 1;
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$redirect = Router::route('auth.login');
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$message = $requireActive
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? 'Your registration went through! An activation e-mail has been sent.'
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: 'Your registration went through! Welcome to ' . Config::get('sitename') . '!';
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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public function activate()
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{
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// Preliminarily set activation to failed
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$success = 0;
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$redirect = Router::route('main.index');
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// Attempt to get the required GET parameters
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$userId = isset($_GET['u']) ? $_GET['u'] : 0;
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$key = isset($_GET['k']) ? $_GET['k'] : "";
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// Attempt to create a user object
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$user = User::construct($userId);
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// Quit if the user ID is 0
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if ($user->id === 0) {
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$message = "This user does not exist! Contact us if you think this isn't right.";
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Check if the user is already active
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if (!$user->permission(Site::DEACTIVATED)) {
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$message = "Your account is already activated! Why are you here?";
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Validate the activation key
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$action = ActionCode::validate('ACTIVATE', $key, $user->id);
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if (!$action) {
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$message = "Invalid activation code! Contact us if you think this isn't right.";
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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// Get the ids for deactivated and default user ranks
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$rankDefault = Config::get('default_rank_id');
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$rankDeactive = Config::get('deactive_rank_id');
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// Add normal user, remove deactivated and set normal as default
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$user->addRanks([$rankDefault]);
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$user->setMainRank($rankDefault);
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$user->removeRanks([$rankDeactive]);
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$success = 1;
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$redirect = Router::route('auth.login');
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$message = "Your account is activated, welcome to " . Config::get('sitename') . "!";
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Template::vars(['page' => compact('success', 'redirect', 'message')]);
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return Template::render('global/information');
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}
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public function reactivateGet()
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{
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return Template::render('main/reactivate');
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}
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}
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