misuzu/public-legacy/auth/login.php

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<?php
namespace Misuzu;
use Exception;
use Misuzu\Auth\AuthTokenCookie;
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if($msz->isLoggedIn()) {
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url_redirect('index');
return;
}
$users = $msz->getUsers();
$sessions = $msz->getSessions();
$loginAttempts = $msz->getLoginAttempts();
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if(!empty($_GET['resolve'])) {
header('Content-Type: application/json; charset=utf-8');
try {
// Only works for usernames, this is by design
$userInfo = $users->getUser((string)filter_input(INPUT_GET, 'name'), 'name');
} catch(Exception $ex) {
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echo json_encode([
'id' => 0,
'name' => '',
'avatar' => url('user-avatar', ['res' => 200, 'user' => 0]),
]);
return;
}
echo json_encode([
'id' => (int)$userInfo->getId(),
'name' => $userInfo->getName(),
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'avatar' => url('user-avatar', ['user' => $userInfo->getId(), 'res' => 200]),
]);
return;
}
$notices = [];
$ipAddress = $_SERVER['REMOTE_ADDR'];
$countryCode = $_SERVER['COUNTRY_CODE'] ?? 'XX';
$userAgent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$remainingAttempts = $loginAttempts->countRemainingAttempts($ipAddress);
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$siteIsPrivate = $cfg->getBoolean('private.enable');
if($siteIsPrivate) {
[
'private.perm.cat' => $loginPermCat,
'private.perm.val' => $loginPermVal,
'private.msg' => $sitePrivateMessage,
'private.allow_password_reset' => $canResetPassword,
] = $cfg->getValues([
'private.perm.cat:s',
'private.perm.val:i',
'private.msg:s',
['private.allow_password_reset:b', true],
]);
} else {
$loginPermCat = '';
$loginPermVal = 0;
$sitePrivateMessage = '';
$canResetPassword = true;
}
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while(!empty($_POST['login']) && is_array($_POST['login'])) {
if(!CSRF::validateRequest()) {
$notices[] = 'Was unable to verify the request, please try again!';
break;
}
$loginRedirect = empty($_POST['login']['redirect']) || !is_string($_POST['login']['redirect']) ? '' : $_POST['login']['redirect'];
if(empty($_POST['login']['username']) || empty($_POST['login']['password'])
|| !is_string($_POST['login']['username']) || !is_string($_POST['login']['password'])) {
$notices[] = "You didn't fill in a username and/or password.";
break;
}
if($remainingAttempts < 1) {
$notices[] = "There are too many failed login attempts from your IP address, please try again later.";
break;
}
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$clientInfo = ClientInfo::fromRequest();
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$attemptsRemainingError = sprintf(
"%d attempt%s remaining",
$remainingAttempts - 1,
$remainingAttempts === 2 ? '' : 's'
);
$loginFailedError = "Invalid username or password, {$attemptsRemainingError}.";
try {
$userInfo = $users->getUser($_POST['login']['username'], 'login');
} catch(RuntimeException $ex) {
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$loginAttempts->recordAttempt(false, $ipAddress, $countryCode, $userAgent, $clientInfo);
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$notices[] = $loginFailedError;
break;
}
if(!$userInfo->hasPasswordHash()) {
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$notices[] = 'Your password has been invalidated, please reset it.';
break;
}
if($userInfo->isDeleted() || !$userInfo->verifyPassword($_POST['login']['password'])) {
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$loginAttempts->recordAttempt(false, $ipAddress, $countryCode, $userAgent, $clientInfo, $userInfo);
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$notices[] = $loginFailedError;
break;
}
if($userInfo->passwordNeedsRehash())
$users->updateUser($userInfo, password: $_POST['login']['password']);
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if(!empty($loginPermCat) && $loginPermVal > 0 && !perms_check_user($loginPermCat, $userInfo->getId(), $loginPermVal)) {
$notices[] = "Login succeeded, but you're not allowed to browse the site right now.";
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$loginAttempts->recordAttempt(true, $ipAddress, $countryCode, $userAgent, $clientInfo, $userInfo);
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break;
}
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if($userInfo->hasTOTPKey()) {
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$tfaToken = $msz->getTFASessions()->createToken($userInfo);
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url_redirect('auth-two-factor', [
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'token' => $tfaToken,
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]);
return;
}
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$loginAttempts->recordAttempt(true, $ipAddress, $countryCode, $userAgent, $clientInfo, $userInfo);
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try {
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$sessionInfo = $sessions->createSession($userInfo, $ipAddress, $countryCode, $userAgent, $clientInfo);
} catch(RuntimeException $ex) {
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$notices[] = "Something broke while creating a session for you, please tell an administrator or developer about this!";
break;
}
$tokenBuilder = $msz->getAuthInfo()->getTokenInfo()->toBuilder();
$tokenBuilder->setUserId($userInfo);
$tokenBuilder->setSessionToken($sessionInfo);
$tokenBuilder->removeImpersonatedUserId();
$tokenInfo = $tokenBuilder->toInfo();
AuthTokenCookie::apply($tokenPacker->pack($tokenInfo));
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if(!is_local_url($loginRedirect))
$loginRedirect = url('index');
redirect($loginRedirect);
return;
}
$welcomeMode = !empty($_GET['welcome']);
$loginUsername = !empty($_POST['login']['username']) && is_string($_POST['login']['username']) ? $_POST['login']['username'] : (
!empty($_GET['username']) && is_string($_GET['username']) ? $_GET['username'] : ''
);
$loginRedirect = $welcomeMode ? url('index') : (!empty($_GET['redirect']) && is_string($_GET['redirect']) ? $_GET['redirect'] : null) ?? $_SERVER['HTTP_REFERER'] ?? url('index');
$canRegisterAccount = !$siteIsPrivate;
Template::render('auth.login', [
'login_notices' => $notices,
'login_username' => $loginUsername,
'login_redirect' => $loginRedirect,
'login_can_reset_password' => $canResetPassword,
'login_can_register' => $canRegisterAccount,
'login_attempts_remaining' => $remainingAttempts,
'login_welcome' => $welcomeMode,
'login_private' => [
'enabled' => $siteIsPrivate,
'message' => $sitePrivateMessage,
],
]);