106 lines
5.6 KiB
PHP
106 lines
5.6 KiB
PHP
<?php
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/**
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* MsgIdHandler module.
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*
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* This file is part of MadelineProto.
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* 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.
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* 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.
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* See the GNU Affero General Public License for more details.
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* You should have received a copy of the GNU General Public License along with MadelineProto.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* @author Daniil Gentili <daniil@daniil.it>
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* @copyright 2016-2019 Daniil Gentili <daniil@daniil.it>
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* @license https://opensource.org/licenses/AGPL-3.0 AGPLv3
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*
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* @link https://docs.madelineproto.xyz MadelineProto documentation
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*/
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namespace danog\MadelineProto\MTProtoSession;
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/**
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* Manages message ids.
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*/
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trait MsgIdHandler
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{
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public $max_incoming_id;
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public $max_outgoing_id;
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public function checkMessageId($new_message_id, $aargs)
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{
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if (!\is_object($new_message_id)) {
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$new_message_id = new \tgseclib\Math\BigInteger(\strrev($new_message_id), 256);
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}
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$min_message_id = (new \tgseclib\Math\BigInteger(\time() + $this->time_delta - 300))->bitwise_leftShift(32);
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if ($min_message_id->compare($new_message_id) > 0) {
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$this->API->logger->logger('Given message id ('.$new_message_id.') is too old compared to the min value ('.$min_message_id.').', \danog\MadelineProto\Logger::WARNING);
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}
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$max_message_id = (new \tgseclib\Math\BigInteger(\time() + $this->time_delta + 30))->bitwise_leftShift(32);
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if ($max_message_id->compare($new_message_id) < 0) {
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throw new \danog\MadelineProto\Exception('Given message id ('.$new_message_id.') is too new compared to the max value ('.$max_message_id.'). Consider syncing your date.');
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}
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if ($aargs['outgoing']) {
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if (!$new_message_id->divide(\danog\MadelineProto\Magic::$four)[1]->equals(\danog\MadelineProto\Magic::$zero)) {
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throw new \danog\MadelineProto\Exception('Given message id ('.$new_message_id.') is not divisible by 4. Consider syncing your date.');
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}
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if (!\danog\MadelineProto\Magic::$has_thread && $new_message_id->compare($key = $this->getMaxId($incoming = false)) <= 0) {
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throw new \danog\MadelineProto\Exception('Given message id ('.$new_message_id.') is lower than or equal to the current limit ('.$key.'). Consider syncing your date.', 1);
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}
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if (\count($this->outgoing_messages) > $this->API->settings['msg_array_limit']['outgoing']) {
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\reset($this->outgoing_messages);
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$key = \key($this->outgoing_messages);
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if (!isset($this->outgoing_messages[$key]['promise'])) {
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unset($this->outgoing_messages[$key]);
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}
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}
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$this->max_outgoing_id = $new_message_id;
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$this->outgoing_messages[\strrev($new_message_id->toBytes())] = [];
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} else {
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if (!$new_message_id->divide(\danog\MadelineProto\Magic::$four)[1]->equals(\danog\MadelineProto\Magic::$one) && !$new_message_id->divide(\danog\MadelineProto\Magic::$four)[1]->equals(\danog\MadelineProto\Magic::$three)) {
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throw new \danog\MadelineProto\Exception('message id mod 4 != 1 or 3');
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}
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$key = $this->getMaxId($incoming = true);
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if ($aargs['container']) {
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if ($new_message_id->compare($key = $this->getMaxId($incoming = true)) >= 0) {
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$this->API->logger->logger('WARNING: Given message id ('.$new_message_id.') is bigger than or equal to the current limit ('.$key.'). Consider syncing your date.', \danog\MadelineProto\Logger::WARNING);
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}
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} else {
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if ($new_message_id->compare($key = $this->getMaxId($incoming = true)) <= 0) {
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$this->API->logger->logger('WARNING: Given message id ('.$new_message_id.') is lower than or equal to the current limit ('.$key.'). Consider syncing your date.', \danog\MadelineProto\Logger::WARNING);
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}
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}
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if (\count($this->incoming_messages) > $this->API->settings['msg_array_limit']['incoming']) {
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\reset($this->incoming_messages);
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$key = \key($this->incoming_messages);
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if (!isset($this->incoming_messages[$key]['promise'])) {
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unset($this->incoming_messages[$key]);
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}
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}
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$this->max_incoming_id = $new_message_id;
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$this->incoming_messages[\strrev($new_message_id->toBytes())] = [];
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}
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}
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public function generateMessageId()
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{
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$message_id = (new \tgseclib\Math\BigInteger(\time() + $this->time_delta))->bitwise_leftShift(32);
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if ($message_id->compare($key = $this->getMaxId($incoming = false)) <= 0) {
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$message_id = $key->add(\danog\MadelineProto\Magic::$four);
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}
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$this->checkMessageId($message_id, ['outgoing' => true, 'container' => false]);
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return \strrev($message_id->toBytes());
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}
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public function getMaxId($incoming)
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{
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$incoming = $incoming ? 'incoming' : 'outgoing';
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if (isset($this->{'max_'.$incoming.'_id'}) && \is_object($this->{'max_'.$incoming.'_id'})) {
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return $this->{'max_'.$incoming.'_id'};
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}
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return \danog\MadelineProto\Magic::$zero;
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}
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}
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