127 lines
4.3 KiB
PHP
127 lines
4.3 KiB
PHP
<?php
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namespace App\Livewire\Auth;
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use App\Models\User;
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use App\Services\WebauthnService;
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use Illuminate\Support\Facades\Auth;
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use Illuminate\Support\Facades\RateLimiter;
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use Illuminate\Validation\ValidationException;
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use Livewire\Attributes\Layout;
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use Livewire\Attributes\Validate;
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use Livewire\Component;
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use PragmaRX\Google2FAQRCode\Google2FA;
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#[Layout('layouts.auth')]
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class TwoFactorChallenge extends Component
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{
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#[Validate('required|string')]
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public string $code = '';
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public function mount()
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{
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if (! session()->has('2fa.user')) {
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return $this->redirect(route('login'), navigate: true);
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}
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}
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/** Whether the PENDING user has TOTP — the authenticator code field renders only then. */
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public function getPendingHasTotpProperty(): bool
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{
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return (bool) User::find(session('2fa.user'))?->hasTotp();
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}
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public function verify()
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{
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$this->validate();
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$key = 'two-factor:'.md5(session('2fa.user').'|'.request()->ip());
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if (RateLimiter::tooManyAttempts($key, 5)) {
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throw ValidationException::withMessages([
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'code' => __('auth.too_many_attempts', ['seconds' => RateLimiter::availableIn($key)]),
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]);
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}
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$user = User::find(session('2fa.user'));
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if (! $user || ! $user->hasTwoFactorEnabled()) {
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session()->forget(['2fa.user', '2fa.remember']);
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throw ValidationException::withMessages(['code' => __('auth.session_expired')]);
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}
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// Accept the TOTP code only when the pending user actually has TOTP (otherwise a null
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// secret would break verifyKey); always allow a one-time backup (recovery) code.
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$valid = ($user->hasTotp() && (new Google2FA)->verifyKey($user->two_factor_secret, preg_replace('/\s+/', '', $this->code)))
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|| $user->useRecoveryCode($this->code);
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if (! $valid) {
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RateLimiter::hit($key, 60);
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throw ValidationException::withMessages(['code' => __('auth.invalid_code')]);
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}
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RateLimiter::clear($key);
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$remember = (bool) session('2fa.remember');
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session()->forget(['2fa.user', '2fa.remember']);
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Auth::login($user, $remember);
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session()->regenerate();
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return $this->redirectIntended(route('dashboard'), navigate: true);
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}
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/** Whether to offer the security-key option for the pending user (domain+HTTPS + has a key). */
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public function webauthnAvailable(): bool
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{
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$user = User::find(session('2fa.user'));
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return $user !== null
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&& app(WebauthnService::class)->available()
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&& $user->hasWebauthnCredentials();
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}
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/** JSON request options for navigator.credentials.get — the JS posts the result to verifyWebauthn. */
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public function assertionOptions(WebauthnService $webauthn): array
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{
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$user = User::find(session('2fa.user'));
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abort_unless($user && $webauthn->available() && $user->hasWebauthnCredentials(), 404);
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return $webauthn->assertionOptions($user);
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}
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/** Complete the login with a verified security-key assertion (alternative to the TOTP/backup code). */
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public function verifyWebauthn(array $assertion, WebauthnService $webauthn)
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{
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$key = 'two-factor:'.md5(session('2fa.user').'|'.request()->ip());
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if (RateLimiter::tooManyAttempts($key, 5)) {
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throw ValidationException::withMessages([
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'code' => __('auth.too_many_attempts', ['seconds' => RateLimiter::availableIn($key)]),
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]);
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}
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$user = User::find(session('2fa.user'));
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if (! $user || ! $user->hasTwoFactorEnabled() || ! $webauthn->available() || ! $webauthn->verifyAssertion($user, $assertion)) {
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RateLimiter::hit($key, 60);
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throw ValidationException::withMessages(['code' => __('auth.webauthn_failed')]);
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}
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RateLimiter::clear($key);
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$remember = (bool) session('2fa.remember');
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session()->forget(['2fa.user', '2fa.remember']);
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Auth::login($user, $remember);
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session()->regenerate();
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return $this->redirectIntended(route('dashboard'), navigate: true);
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}
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public function render()
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{
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return view('livewire.auth.two-factor-challenge')->title(__('auth.title_challenge'));
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}
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}
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