100 lines
3.2 KiB
PHP
100 lines
3.2 KiB
PHP
<?php
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namespace BookStack\Access\Controllers;
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use BookStack\Access\LoginService;
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use BookStack\Access\Mfa\BackupCodeService;
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use BookStack\Access\Mfa\MfaSession;
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use BookStack\Access\Mfa\MfaValue;
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use BookStack\Activity\ActivityType;
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use BookStack\Exceptions\NotFoundException;
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use BookStack\Http\Controllers\Controller;
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use Exception;
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use Illuminate\Http\Request;
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use Illuminate\Validation\ValidationException;
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class MfaBackupCodesController extends Controller
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{
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use HandlesPartialLogins;
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protected const SETUP_SECRET_SESSION_KEY = 'mfa-setup-backup-codes';
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/**
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* Show a view that generates and displays backup codes.
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*/
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public function generate(BackupCodeService $codeService)
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{
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$codes = $codeService->generateNewSet();
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session()->put(self::SETUP_SECRET_SESSION_KEY, encrypt($codes));
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$downloadUrl = 'data:application/octet-stream;base64,' . base64_encode(implode("\n\n", $codes));
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$this->setPageTitle(trans('auth.mfa_gen_backup_codes_title'));
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return view('mfa.backup-codes-generate', [
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'codes' => $codes,
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'downloadUrl' => $downloadUrl,
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]);
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}
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/**
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* Confirm the setup of backup codes, storing them against the user.
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*
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* @throws Exception
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*/
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public function confirm()
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{
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if (!session()->has(self::SETUP_SECRET_SESSION_KEY)) {
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return response('No generated codes found in the session', 500);
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}
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$codes = decrypt(session()->pull(self::SETUP_SECRET_SESSION_KEY));
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MfaValue::upsertWithValue($this->currentOrLastAttemptedUser(), MfaValue::METHOD_BACKUP_CODES, json_encode($codes));
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$this->logActivity(ActivityType::MFA_SETUP_METHOD, 'backup-codes');
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if (!auth()->check()) {
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$this->showSuccessNotification(trans('auth.mfa_setup_login_notification'));
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return redirect('/login');
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}
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return redirect('/mfa/setup');
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}
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/**
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* Verify the MFA method submission on check.
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*
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* @throws NotFoundException
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* @throws ValidationException
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*/
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public function verify(Request $request, BackupCodeService $codeService, MfaSession $mfaSession, LoginService $loginService)
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{
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$user = $this->currentOrLastAttemptedUser();
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$codes = MfaValue::getValueForUser($user, MfaValue::METHOD_BACKUP_CODES) ?? '[]';
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$this->validate($request, [
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'code' => [
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'required', 'max:12', 'min:8',
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function ($attribute, $value, $fail) use ($codeService, $codes) {
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if (!$codeService->inputCodeExistsInSet($value, $codes)) {
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$fail(trans('validation.backup_codes'));
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}
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},
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],
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]);
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$updatedCodes = $codeService->removeInputCodeFromSet($request->get('code'), $codes);
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MfaValue::upsertWithValue($user, MfaValue::METHOD_BACKUP_CODES, $updatedCodes);
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$mfaSession->markVerifiedForUser($user);
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$loginService->reattemptLoginFor($user);
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if ($codeService->countCodesInSet($updatedCodes) < 5) {
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$this->showWarningNotification(trans('auth.mfa_backup_codes_usage_limit_warning'));
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}
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return redirect()->intended();
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}
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}
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