BookStack/app/Http/Controllers/Auth/MfaTotpController.php

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<?php
namespace BookStack\Http\Controllers\Auth;
use BookStack\Actions\ActivityType;
use BookStack\Auth\Access\Mfa\MfaValue;
use BookStack\Auth\Access\Mfa\TotpService;
use BookStack\Auth\Access\Mfa\TotpValidationRule;
use BookStack\Exceptions\NotFoundException;
use BookStack\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
class MfaTotpController extends Controller
{
use HandlesPartialLogins;
protected const SETUP_SECRET_SESSION_KEY = 'mfa-setup-totp-secret';
/**
* Show a view that generates and displays a TOTP QR code.
*/
public function generate(TotpService $totp)
{
if (session()->has(static::SETUP_SECRET_SESSION_KEY)) {
$totpSecret = decrypt(session()->get(static::SETUP_SECRET_SESSION_KEY));
} else {
$totpSecret = $totp->generateSecret();
session()->put(static::SETUP_SECRET_SESSION_KEY, encrypt($totpSecret));
}
$qrCodeUrl = $totp->generateUrl($totpSecret);
$svg = $totp->generateQrCodeSvg($qrCodeUrl);
return view('mfa.totp-generate', [
'secret' => $totpSecret,
'svg' => $svg,
]);
}
/**
* Confirm the setup of TOTP and save the auth method secret
* against the current user.
* @throws ValidationException
* @throws NotFoundException
*/
public function confirm(Request $request)
{
$totpSecret = decrypt(session()->get(static::SETUP_SECRET_SESSION_KEY));
$this->validate($request, [
'code' => [
'required',
'max:12', 'min:4',
new TotpValidationRule($totpSecret),
]
]);
MfaValue::upsertWithValue($this->currentOrLastAttemptedUser(), MfaValue::METHOD_TOTP, $totpSecret);
session()->remove(static::SETUP_SECRET_SESSION_KEY);
$this->logActivity(ActivityType::MFA_SETUP_METHOD, 'totp');
return redirect('/mfa/setup');
}
}