105 lines
3.6 KiB
PHP
105 lines
3.6 KiB
PHP
<?php
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namespace Misuzu;
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use RuntimeException;
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use Misuzu\TOTPGenerator;
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use Misuzu\Auth\AuthTokenCookie;
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if(!isset($msz) || !($msz instanceof \Misuzu\MisuzuContext))
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die('Script must be called through the Misuzu route dispatcher.');
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if($msz->authInfo->isLoggedIn) {
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Tools::redirect($msz->urls->format('index'));
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return;
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}
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$ipAddress = $_SERVER['REMOTE_ADDR'];
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$countryCode = $_SERVER['COUNTRY_CODE'] ?? 'XX';
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$userAgent = $_SERVER['HTTP_USER_AGENT'] ?? '';
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$twofactor = !empty($_POST['twofactor']) && is_array($_POST['twofactor']) ? $_POST['twofactor'] : [];
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$notices = [];
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$remainingAttempts = $msz->authCtx->loginAttempts->countRemainingAttempts($ipAddress);
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$tokenString = !empty($_GET['token']) && is_string($_GET['token']) ? $_GET['token'] : (
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!empty($twofactor['token']) && is_string($twofactor['token']) ? $twofactor['token'] : ''
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);
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$tokenUserId = $msz->authCtx->tfaSessions->getTokenUserId($tokenString);
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if(empty($tokenUserId)) {
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Tools::redirect($msz->urls->format('auth-login'));
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return;
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}
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$userInfo = $msz->usersCtx->users->getUser($tokenUserId, 'id');
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// checking user_totp_key specifically because there's a fringe chance that
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// there's a token present, but totp is actually disabled
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if(!$userInfo->hasTOTP) {
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Tools::redirect($msz->urls->format('auth-login'));
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return;
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}
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while(!empty($twofactor)) {
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if(!CSRF::validateRequest()) {
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$notices[] = 'Was unable to verify the request, please try again!';
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break;
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}
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$userAgent = $_SERVER['HTTP_USER_AGENT'] ?? '';
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$redirect = !empty($twofactor['redirect']) && is_string($twofactor['redirect']) ? $twofactor['redirect'] : '';
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if(empty($twofactor['code']) || !is_string($twofactor['code'])) {
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$notices[] = 'Code field was empty.';
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break;
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}
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if($remainingAttempts < 1) {
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$notices[] = 'There are too many failed login attempts from your IP address, please try again later.';
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break;
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}
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$clientInfo = ClientInfo::fromRequest();
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$totp = new TOTPGenerator($userInfo->totpKey);
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if(!in_array($twofactor['code'], $totp->generateRange())) {
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$notices[] = sprintf(
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"Invalid two factor code, %d attempt%s remaining",
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$remainingAttempts - 1,
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$remainingAttempts === 2 ? '' : 's'
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);
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$msz->authCtx->loginAttempts->recordAttempt(false, $ipAddress, $countryCode, $userAgent, $clientInfo, $userInfo);
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break;
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}
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$msz->authCtx->loginAttempts->recordAttempt(true, $ipAddress, $countryCode, $userAgent, $clientInfo, $userInfo);
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$msz->authCtx->tfaSessions->deleteToken($tokenString);
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try {
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$sessionInfo = $msz->authCtx->sessions->createSession($userInfo, $ipAddress, $countryCode, $userAgent, $clientInfo);
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} catch(RuntimeException $ex) {
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$notices[] = "Something broke while creating a session for you, please tell an administrator or developer about this!";
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break;
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}
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$tokenBuilder = $msz->authInfo->tokenInfo->toBuilder();
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$tokenBuilder->setUserId($userInfo);
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$tokenBuilder->setSessionToken($sessionInfo);
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$tokenBuilder->removeImpersonatedUserId();
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$tokenInfo = $tokenBuilder->toInfo();
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AuthTokenCookie::apply($msz->authCtx->createAuthTokenPacker()->pack($tokenInfo));
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if(!Tools::isLocalURL($redirect))
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$redirect = $msz->urls->format('index');
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Tools::redirect($redirect);
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return;
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}
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Template::render('auth.twofactor', [
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'twofactor_notices' => $notices,
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'twofactor_redirect' => !empty($_GET['redirect']) && is_string($_GET['redirect']) ? $_GET['redirect'] : $msz->urls->format('index'),
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'twofactor_attempts_remaining' => $remainingAttempts,
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'twofactor_token' => $tokenString,
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]);
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