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<?php |
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declare(strict_types=1); |
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/** |
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* @author Christoph Wurst <[email protected]> |
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* @author André Fondse <[email protected]> |
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* |
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* Nextcloud - Two-factor Gateway for Telegram |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCA\TwoFactorGateway\Service\Gateway\Telegram; |
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use Exception; |
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use OCA\TwoFactorGateway\Exception\SmsTransmissionException; |
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use OCA\TwoFactorGateway\Service\Gateway\IGateway; |
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use OCP\Http\Client\IClient; |
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use OCP\Http\Client\IClientService; |
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use OCP\IConfig; |
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use OCP\IL10N; |
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use OCP\IUser; |
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use Telegram\Bot\Api; |
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use Telegram\Bot\Objects\Update; |
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class Gateway implements IGateway { |
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/** @var IClient */ |
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private $client; |
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/** @var IConfig */ |
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private $config; |
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/** @var IL10N */ |
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private $l10n; |
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public function __construct(IClientService $clientService, |
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IConfig $config, |
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IL10N $l10n) { |
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$this->client = $clientService->newClient(); |
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$this->config = $config; |
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$this->l10n = $l10n; |
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} |
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/** |
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* @param IUser $user |
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* @param string $idenfier |
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* @param string $message |
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* |
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* @throws \Telegram\Bot\Exceptions\TelegramSDKException |
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*/ |
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public function send(IUser $user, string $idenfier, string $message) { |
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$token = $this->config->getAppValue('twofactor_gateway', 'telegram_bot_token', null); |
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// TODO: token missing handling |
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$api = new Api($token); |
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$chatId = $this->getChatId($user, $api, (int)$idenfier); |
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$api->sendMessage([ |
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'chat_id' => $chatId, |
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'text' => $message, |
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]); |
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} |
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private function getChatId(IUser $user, Api $api, int $userId): int { |
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$chatId = $this->config->getUserValue($user->getUID(), 'twofactor_gateway', 'telegram_chat_id', null); |
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if (!is_null($chatId)) { |
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return (int)$chatId; |
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} |
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$updates = $api->getUpdates(); |
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/** @var Update $update */ |
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$update = current(array_filter($updates, function (Update $data) use ($userId) { |
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if ($data->message->text === "/start" && $data->message->from->id === $userId) { |
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return true; |
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} |
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return false; |
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})); |
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// TODO: handle missing `/start` message and `$update` null values |
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$chatId = $update->message->chat->id; |
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$this->config->setUserValue($user->getUID(), 'twofactor_gateway', 'chat_id', $chatId); |
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return (int)$chatId; |
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} |
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/** |
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* Get a short description of this gateway's name so that users know how |
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* their messages are delivered, e.g. "Telegram" |
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* |
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* @return string |
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*/ |
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public function getShortName(): string { |
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return 'Telegram'; |
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} |
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/** |
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* @return string |
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*/ |
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public function getProviderDescription(): string { |
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return $this->l10n->t('Authenticate via Telegram'); |
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} |
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} |
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nextcloud /
twofactor_gateway
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