MadelineProto/src/danog/MadelineProto/SecretChats/ResponseHandler.php

100 lines
6.8 KiB
PHP

<?php
/**
* ResponseHandler module.
*
* This file is part of MadelineProto.
* MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
* MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU General Public License along with MadelineProto.
* If not, see <http://www.gnu.org/licenses/>.
*
* @author Daniil Gentili <daniil@daniil.it>
* @copyright 2016-2020 Daniil Gentili <daniil@daniil.it>
* @license https://opensource.org/licenses/AGPL-3.0 AGPLv3
*
* @link https://docs.madelineproto.xyz MadelineProto documentation
*/
namespace danog\MadelineProto\SecretChats;
/**
* Manages responses.
*/
trait ResponseHandler
{
private function handleDecryptedUpdate($update): \Generator
{
/*if (isset($update['message']['decrypted_message']['random_bytes']) && strlen($update['message']['decrypted_message']['random_bytes']) < 15) {
throw new \danog\MadelineProto\ResponseException(\danog\MadelineProto\Lang::$current_lang['rand_bytes_too_short']);
}*/
// already checked in TL.php
switch ($update['message']['decrypted_message']['_']) {
case 'decryptedMessageService':
switch ($update['message']['decrypted_message']['action']['_']) {
case 'decryptedMessageActionRequestKey':
yield from $this->acceptRekey($update['message']['chat_id'], $update['message']['decrypted_message']['action']);
return;
case 'decryptedMessageActionAcceptKey':
yield from $this->commitRekey($update['message']['chat_id'], $update['message']['decrypted_message']['action']);
return;
case 'decryptedMessageActionCommitKey':
yield from $this->completeRekey($update['message']['chat_id'], $update['message']['decrypted_message']['action']);
return;
case 'decryptedMessageActionNotifyLayer':
$this->secret_chats[$update['message']['chat_id']]['layer'] = $update['message']['decrypted_message']['action']['layer'];
if ($update['message']['decrypted_message']['action']['layer'] >= 17 && \time() - $this->secret_chats[$update['message']['chat_id']]['created'] > 15) {
yield from $this->notifyLayer($update['message']['chat_id']);
}
if ($update['message']['decrypted_message']['action']['layer'] >= 73) {
$this->secret_chats[$update['message']['chat_id']]['mtproto'] = 2;
}
return;
case 'decryptedMessageActionSetMessageTTL':
$this->secret_chats[$update['message']['chat_id']]['ttl'] = $update['message']['decrypted_message']['action']['ttl_seconds'];
yield from $this->saveUpdate($update);
return;
case 'decryptedMessageActionNoop':
return;
case 'decryptedMessageActionResend':
$update['message']['decrypted_message']['action']['start_seq_no'] -= $this->secret_chats[$update['message']['chat_id']]['out_seq_no_x'];
$update['message']['decrypted_message']['action']['end_seq_no'] -= $this->secret_chats[$update['message']['chat_id']]['out_seq_no_x'];
$update['message']['decrypted_message']['action']['start_seq_no'] /= 2;
$update['message']['decrypted_message']['action']['end_seq_no'] /= 2;
$this->logger->logger('Resending messages for secret chat '.$update['message']['chat_id'], \danog\MadelineProto\Logger::WARNING);
foreach ($this->secret_chats[$update['message']['chat_id']]['outgoing'] as $seq => $message) {
if ($seq >= $update['message']['decrypted_message']['action']['start_seq_no'] && $seq <= $update['message']['decrypted_message']['action']['end_seq_no']) {
//throw new \danog\MadelineProto\ResponseException(\danog\MadelineProto\Lang::$current_lang['resending_unsupported']);
yield from $this->methodCallAsyncRead('messages.sendEncrypted', ['peer' => $update['message']['chat_id'], 'message' => $update['message']['decrypted_message']], ['datacenter' => $this->datacenter->curdc]);
}
}
return;
default:
// yield $this->saveUpdate(['_' => 'updateNewDecryptedMessage', 'peer' => $this->secret_chats[$update['message']['chat_id']]['InputEncryptedChat'], 'in_seq_no' => $this->get_in_seq_no($update['message']['chat_id']), 'out_seq_no' => $this->get_out_seq_no($update['message']['chat_id']), 'message' => $update['message']['decrypted_message']]);
yield from $this->saveUpdate($update);
}
break;
case 'decryptedMessage':
yield from $this->saveUpdate($update);
break;
case 'decryptedMessageLayer':
if ((yield from $this->checkSecretOutSeqNo($update['message']['chat_id'], $update['message']['decrypted_message']['out_seq_no'])) && (yield from $this->checkSecretInSeqNo($update['message']['chat_id'], $update['message']['decrypted_message']['in_seq_no']))) {
$this->secret_chats[$update['message']['chat_id']]['in_seq_no']++;
if ($update['message']['decrypted_message']['layer'] >= 17) {
$this->secret_chats[$update['message']['chat_id']]['layer'] = $update['message']['decrypted_message']['layer'];
if ($update['message']['decrypted_message']['layer'] >= 17 && \time() - $this->secret_chats[$update['message']['chat_id']]['created'] > 15) {
yield from $this->notifyLayer($update['message']['chat_id']);
}
}
$update['message']['decrypted_message'] = $update['message']['decrypted_message']['message'];
yield from $this->handleDecryptedUpdate($update);
}
break;
default:
throw new \danog\MadelineProto\ResponseException(\danog\MadelineProto\Lang::$current_lang['unrecognized_dec_msg'].\var_export($update, true));
break;
}
}
}