456 lines
16 KiB
PHP
456 lines
16 KiB
PHP
<?php
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/**
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* Holds the auth controllers.
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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\CurrentSession;
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use Sakura\DB;
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use Sakura\Net;
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use Sakura\User;
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/**
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* Authentication controllers.
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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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/**
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* Touch the login rate limit.
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* @param int $user The ID of the user that attempted to log in.
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* @param bool $success Whether the login attempt was successful.
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*/
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protected function touchRateLimit(int $user, bool $success = false): void
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{
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DB::table('login_attempts')
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->insert([
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'attempt_success' => $success ? 1 : 0,
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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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/**
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* End the current session.
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* @return string
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*/
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public function logout(): string
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{
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if (!session_check()) {
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return $this->json(['error' => 'Logout failed.', 'a' => $_REQUEST]);
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}
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// Destroy the active session
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CurrentSession::stop();
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return $this->json(['error' => null]);
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}
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/**
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* Login page.
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* @return string
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*/
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public function login(): string
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{
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if (!session_check()) {
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return $this->json(['error' => 'Your session expired! Please refresh and try again.']);
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}
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// Get request variables
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$username = $_POST['username'] ?? null;
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$password = $_POST['password'] ?? null;
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// Check if we haven't hit the rate limit
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$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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return $this->json(['error' => 'Your have hit the login rate limit, try again later.']);
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}
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$user = User::construct(clean_string($username, true, true));
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// Check if the user that's trying to log in actually exists
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if ($user->id === 0) {
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$this->touchRateLimit($user->id);
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return $this->json(['error' => 'The user you tried to log into does not exist.']);
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}
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if ($user->passwordExpired()) {
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return $this->json(['error' => 'Your password expired.']);
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}
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if (!$user->verifyPassword($password)) {
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$this->touchRateLimit($user->id);
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return $this->json(['error' => 'The password you entered was invalid.']);
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}
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// Check if the user has the required privs to log in
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if (!$user->activated) {
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$this->touchRateLimit($user->id);
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return $this->json(['error' => "Your account isn't activated, check your e-mail!"]);
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}
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// Generate a session key
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$session = CurrentSession::create(
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$user->id,
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Net::ip(),
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get_country_code(),
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clean_string($_SERVER['HTTP_USER_AGENT'] ?? '')
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);
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$cookiePrefix = config('cookie.prefix');
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setcookie("{$cookiePrefix}id", $user->id, time() + 604800);
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setcookie("{$cookiePrefix}session", $session->key, time() + 604800);
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$this->touchRateLimit($user->id, true);
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$msg = ['error' => null];
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if (!$user->lastOnline) {
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$msg['go'] = route('info.welcome');
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}
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return $this->json($msg);
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}
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/**
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* Do a registration attempt.
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* @return string
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*/
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public function register(): string
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{
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// Preliminarily set registration to failed
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$redirect = route('auth.register');
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// Check if authentication is disallowed
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if (config('user.disable_registration')) {
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$message = 'Registration is disabled for security checkups! Try again later.';
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return view('global/information', compact('message', 'redirect'));
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}
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if (!session_check()) {
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// Attempt to check if a user has already registered from the current IP
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$getUserIP = DB::table('users')
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->where('register_ip', Net::pton(Net::ip()))
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->orWhere('last_ip', Net::pton(Net::ip()))
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->get();
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$vars = [];
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if ($getUserIP) {
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$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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}
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return view('auth/register', $vars);
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}
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// Grab forms
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$username = $_POST['username'] ?? null;
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$password = $_POST['password'] ?? null;
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$email = $_POST['email'] ?? null;
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// Append username and email to the redirection url
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$redirect .= "?username={$username}&email={$email}";
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// Attempt to get account data
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$user = User::construct(clean_string($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 = "{$user->username} is already a member here!"
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. " If this is you please use the password reset form instead of making a new account.";
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return view('global/information', compact('message', 'redirect'));
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}
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// Username too short
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if (strlen($username) < config('user.name_min')) {
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$message = 'Your name must be at least 3 characters long.';
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return view('global/information', compact('message', 'redirect'));
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}
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// Username too long
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if (strlen($username) > config('user.name_max')) {
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$message = 'Your name can\'t be longer than 16 characters.';
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return view('global/information', compact('message', 'redirect'));
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}
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// Check if the given email address is formatted properly
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if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
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$message = 'Your e-mail address is formatted incorrectly.';
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return view('global/information', compact('message', 'redirect'));
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}
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// Check the MX record of the email
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if (!check_mx_record($email)) {
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$message = 'No valid MX-Record found on the e-mail address you supplied.';
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return view('global/information', compact('message', 'redirect'));
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}
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// Check if the e-mail has already been used
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$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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$message = 'Someone already registered using this email!';
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return view('global/information', compact('message', 'redirect'));
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}
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// Check password entropy
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if (password_entropy($password) < config('user.pass_min_entropy')) {
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$message = 'Your password is too weak, try adding some special characters.';
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return view('global/information', compact('message', 'redirect'));
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}
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$requireActive = boolval(config('user.require_activation'));
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$user = User::create($username, $password, $email, !$requireActive);
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// Check if we require e-mail activation
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if ($requireActive) {
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$this->sendActivationMail($user);
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}
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// Return true with a specific message if needed
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$redirect = route('main.index');
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$message = 'Your registration went through!';
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$message .= $requireActive ? ' An activation e-mail has been sent.' : ' Welcome to ' . config('general.name') . '!';
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return view('global/information', compact('message', 'redirect'));
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}
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/**
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* Do a activation attempt.
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* @return string
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*/
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public function activate(): string
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{
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// Preliminarily set activation to failed
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$redirect = route('main.index');
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// Attempt to get the required GET parameters
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$userId = $_GET['u'] ?? 0;
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$key = $_GET['k'] ?? "";
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// Attempt to create a user object
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$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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$message = "This user does not exist! Contact us if you think this isn't right.";
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return view('global/information', compact('message', 'redirect'));
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}
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// Check if the user is already active
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if ($user->activated) {
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$message = "Your account is already activated! Why are you here?";
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return view('global/information', compact('message', 'redirect'));
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}
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// Validate the activation key
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$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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return view('global/information', compact('message', 'redirect'));
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}
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DB::table('users')
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->where('user_id', $userId)
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->update(['user_activated' => 1]);
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$redirect = route('main.index');
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$message = "Your account is activated, welcome to " . config('general.name') . "!";
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return view('global/information', compact('message', 'redirect'));
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}
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/**
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* Do a reactivation preparation attempt.
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* @return string
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*/
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public function reactivate(): string
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{
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// Validate session
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if (!session_check()) {
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return view('auth/reactivate');
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}
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// Preliminarily set registration to failed
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$redirect = route('auth.reactivate');
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// Grab forms
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$username = isset($_POST['username']) ? clean_string($_POST['username'], true) : null;
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$email = isset($_POST['email']) ? clean_string($_POST['email'], true) : null;
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// Do database request
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$getUser = DB::table('users')
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->where('username_clean', $username)
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->where('email', $email)
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->get(['user_id']);
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// Check if user exists
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if (!$getUser) {
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$message = "User not found! Double check your username and e-mail address!";
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return view('global/information', compact('message', 'redirect'));
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}
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// Create user object
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$user = User::construct($getUser[0]->user_id);
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// Check if a user is activated
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if ($user->activated) {
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$message = "Your account is already activated! Why are you here?";
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return view('global/information', compact('message', 'redirect'));
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}
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// Send activation e-mail to user
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$this->sendActivationMail($user);
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$redirect = route('main.index');
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$message = "Sent the e-mail! Make sure to check your spam folder as well!";
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return view('global/information', compact('message', 'redirect'));
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}
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/**
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* Do a password reset attempt.
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* @return string
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*/
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public function resetPassword(): string
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{
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// Validate session
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if (!session_check()) {
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return view('auth/resetpassword');
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}
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// Preliminarily set action to failed
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$redirect = route('main.index');
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// Attempt to get the various required GET parameters
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$userId = $_POST['user'] ?? 0;
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$key = $_POST['key'] ?? "";
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$password = $_POST['password'] ?? "";
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$userName = clean_string($_POST['username'] ?? "", true);
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$email = clean_string($_POST['email'] ?? "", true);
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// Create user object
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$user = User::construct($userId ? $userId : $userName);
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// Quit if the user ID is 0
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if ($user->id === 0 || ($email !== null ? $email !== $user->email : false)) {
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$message = "This user does not exist! Contact us if you think this isn't right.";
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return view('global/information', compact('message', 'redirect'));
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}
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// Check if the user is active
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if (!$user->activated) {
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$message = "Your account is deactivated, go activate it first...";
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return view('global/information', compact('message', 'redirect'));
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}
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if ($key && $password) {
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// Check password entropy
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if (password_entropy($password) < config('user.pass_min_entropy')) {
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$message = "Your password doesn't meet the strength requirements!";
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return view('global/information', compact('message', 'redirect'));
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}
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// Validate the activation key
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$action = ActionCode::validate('LOST_PASS', $key, $user->id);
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if (!$action) {
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$message = "Invalid verification code! Contact us if you think this isn't right.";
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return view('global/information', compact('message', 'redirect'));
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}
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$user->setPassword($password);
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$message = "Changed your password! You may now log in.";
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$redirect = route('main.index');
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} else {
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// Send the e-mail
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$this->sendPasswordMail($user);
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$message = "Sent the e-mail, keep an eye on your spam folder as well!";
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$redirect = route('main.index');
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}
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return view('global/information', compact('message', 'redirect'));
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}
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/**
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* Send the activation e-mail
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* @param User $user
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*/
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private function sendActivationMail(User $user): void
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{
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// Generate activation key
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$activate = ActionCode::generate('ACTIVATE', $user->id);
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$siteName = config('general.name');
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$baseUrl = "http://{$_SERVER['HTTP_HOST']}";
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$activateLink = route('auth.activate') . "?u={$user->id}&k={$activate}";
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$profileLink = route('user.profile', $user->id);
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$signature = config('mail.signature');
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// Build the e-mail
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$message = "Welcome to {$siteName}!\r\n\r\n"
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. "Please keep this e-mail for your records. Your account intormation is as follows:\r\n\r\n"
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. "----------------------------\r\n\r\n"
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. "Username: {$user->username}\r\n\r\n"
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. "Your profile: {$baseUrl}{$profileLink}\r\n\r\n"
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. "----------------------------\r\n\r\n"
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. "Please visit the following link in order to activate your account:\r\n\r\n"
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. "{$baseUrl}{$activateLink}\r\n\r\n"
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. "Your password has been securely stored in our database and cannot be retrieved. "
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. "In the event that it is forgotten,"
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. " you will be able to reset it using the email address associated with your account.\r\n\r\n"
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. "Thank you for registering.\r\n\r\n"
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. "--\r\n\r\nThanks\r\n\r\n{$signature}";
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// Send the message
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send_mail([$user->email => $user->username], "{$siteName} activation mail", $message);
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}
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/**
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* Send the activation e-mail
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* @param User $user
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*/
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private function sendPasswordMail(User $user): void
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{
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// Generate the verification key
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$verk = ActionCode::generate('LOST_PASS', $user->id);
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$siteName = config('general.name');
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$baseUrl = "http://{$_SERVER['HTTP_HOST']}";
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$reactivateLink = route('auth.resetpassword') . "?u={$user->id}&k={$verk}";
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$signature = config('mail.signature');
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// Build the e-mail
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$message = "Hello {$user->username},\r\n\r\n"
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. "You are receiving this notification because you have (or someone pretending to be you has)"
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. " requested a password reset link to be sent for your account on \"{$siteName}\"."
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. " If you did not request this notification then please ignore it,"
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. " if you keep receiving it please contact the site administrator.\r\n\r\n"
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. "To use this password reset key you need to go to a special page."
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. " To do this click the link provided below.\r\n\r\n"
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. "{$baseUrl}{$reactivateLink}\r\n\r\n"
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. "If successful you should be able to change your password here.\r\n\r\n"
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. "You can of course change this password yourself via the settings page."
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. " If you have any difficulties please contact the site administrator.\r\n\r\n"
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. "--\r\n\r\nThanks\r\n\r\n{$signature}";
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// Send the message
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send_mail([$user->email => $user->username], "{$siteName} password restoration", $message);
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}
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}
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