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<?php |
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declare(strict_types=1); |
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/** |
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* SPDX-FileCopyrightText: 2024 Christoph Wurst <[email protected]> |
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* SPDX-License-Identifier: AGPL-3.0-or-later |
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*/ |
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namespace OCA\TwoFactorGateway\Provider; |
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use OCA\TwoFactorGateway\AppInfo\Application; |
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use OCA\TwoFactorGateway\Exception\MessageTransmissionException; |
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use OCA\TwoFactorGateway\PhoneNumberMask; |
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use OCA\TwoFactorGateway\Provider\Gateway\Factory as GatewayFactory; |
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use OCA\TwoFactorGateway\Provider\Gateway\IGateway; |
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use OCA\TwoFactorGateway\Service\StateStorage; |
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use OCA\TwoFactorGateway\Settings\PersonalSettings; |
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use OCP\AppFramework\Services\IInitialState; |
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use OCP\Authentication\TwoFactorAuth\IDeactivatableByAdmin; |
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use OCP\Authentication\TwoFactorAuth\IPersonalProviderSettings; |
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use OCP\Authentication\TwoFactorAuth\IProvider; |
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use OCP\Authentication\TwoFactorAuth\IProvidesIcons; |
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use OCP\Authentication\TwoFactorAuth\IProvidesPersonalSettings; |
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use OCP\IL10N; |
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use OCP\ISession; |
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use OCP\IURLGenerator; |
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use OCP\IUser; |
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use OCP\Security\ISecureRandom; |
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use OCP\Server; |
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use OCP\Template\ITemplate; |
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use OCP\Template\ITemplateManager; |
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abstract class AProvider implements IProvider, IProvidesIcons, IDeactivatableByAdmin, IProvidesPersonalSettings { |
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protected string $gatewayName = ''; |
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protected IGateway $gateway; |
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private function getSessionKey(): string { |
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return 'twofactor_gateway_' . $this->getGatewayName() . '_secret'; |
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} |
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public function __construct( |
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protected GatewayFactory $gatewayFactory, |
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protected StateStorage $stateStorage, |
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protected ISession $session, |
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protected ISecureRandom $secureRandom, |
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protected IL10N $l10n, |
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protected ITemplateManager $templateManager, |
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protected IInitialState $initialState, |
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) { |
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$this->gateway = $this->gatewayFactory->get($this->getGatewayName()); |
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} |
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private function getGatewayName(): string { |
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if ($this->gatewayName) { |
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return $this->gatewayName; |
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} |
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$fqcn = static::class; |
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$parts = explode('\\', $fqcn); |
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[$name] = array_slice($parts, -2, 1); |
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$this->gatewayName = strtolower($name); |
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return $this->gatewayName; |
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} |
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#[\Override] |
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public function getId(): string { |
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return 'gateway_' . $this->getGatewayName(); |
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} |
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private function getSecret(): string { |
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if ($this->session->exists($this->getSessionKey())) { |
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return $this->session->get($this->getSessionKey()); |
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} |
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$secret = $this->secureRandom->generate(6, ISecureRandom::CHAR_DIGITS); |
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$this->session->set($this->getSessionKey(), $secret); |
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return $secret; |
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} |
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#[\Override] |
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public function getTemplate(IUser $user): ITemplate { |
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$secret = $this->getSecret(); |
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try { |
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$identifier = $this->stateStorage->get($user, $this->getGatewayName())->getIdentifier() ?? ''; |
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$this->gateway->send( |
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$identifier, |
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$this->l10n->t('%s is your Nextcloud authentication code', [ |
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$secret |
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]), |
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['code' => $secret], |
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); |
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} catch (MessageTransmissionException) { |
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return $this->templateManager->getTemplate('twofactor_gateway', 'error'); |
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} |
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$tmpl = $this->templateManager->getTemplate('twofactor_gateway', 'challenge'); |
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$tmpl->assign('phone', PhoneNumberMask::maskNumber($identifier)); |
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return $tmpl; |
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} |
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#[\Override] |
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public function verifyChallenge(IUser $user, string $challenge): bool { |
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$valid = $this->session->exists($this->getSessionKey()) |
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&& $this->session->get($this->getSessionKey()) === $challenge; |
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if ($valid) { |
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$this->session->remove($this->getSessionKey()); |
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} |
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return $valid; |
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} |
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#[\Override] |
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public function isTwoFactorAuthEnabledForUser(IUser $user): bool { |
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return $this->stateStorage->get($user, $this->getGatewayName())->getState() === StateStorage::STATE_ENABLED; |
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} |
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#[\Override] |
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public function getPersonalSettings(IUser $user): IPersonalProviderSettings { |
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$this->initialState->provideInitialState('settings-' . $this->gateway->getProviderId(), $this->gateway->getSettings()); |
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return new PersonalSettings( |
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$this->getGatewayName(), |
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$this->gateway->isComplete(), |
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); |
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} |
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#[\Override] |
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public function getLightIcon(): String { |
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return Server::get(IURLGenerator::class)->imagePath(Application::APP_ID, 'app.svg'); |
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} |
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#[\Override] |
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public function getDarkIcon(): String { |
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return Server::get(IURLGenerator::class)->imagePath(Application::APP_ID, 'app-dark.svg'); |
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} |
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#[\Override] |
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public function disableFor(IUser $user) { |
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$state = $this->stateStorage->get($user, $this->getGatewayName()); |
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if ($state->getState() === StateStorage::STATE_ENABLED) { |
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$this->stateStorage->persist($state->disabled($user, $this->getGatewayName())); |
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} |
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} |
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} |
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nextcloud /
twofactor_gateway
