125 lines
4.8 KiB
PHP
125 lines
4.8 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 2016-2020 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\MsgIdHandler;
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use danog\MadelineProto\MTProtoSession\MsgIdHandler;
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use danog\MadelineProto\Tools;
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/**
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* Manages message ids.
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*/
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class MsgIdHandler64 extends MsgIdHandler
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{
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/**
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* Maximum incoming ID.
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*
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* @var int
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*/
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private $maxIncomingId = 0;
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/**
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* Maximum outgoing ID.
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*
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* @var int
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*/
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private $maxOutgoingId = 0;
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/**
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* Check validity of given message ID.
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*
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* @param string $newMessageId New message ID
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* @param array $aargs Params
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*
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* @return void
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*/
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public function checkMessageId($newMessageId, array $aargs): void
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{
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$newMessageId = \is_integer($newMessageId) ? $newMessageId : Tools::unpackSignedLong($newMessageId);
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$minMessageId = (\time() + $this->session->time_delta - 300) << 32;
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if ($newMessageId < $minMessageId) {
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$this->session->API->logger->logger('Given message id ('.$newMessageId.') is too old compared to the min value ('.$minMessageId.').', \danog\MadelineProto\Logger::WARNING);
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}
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$maxMessageId = (\time() + $this->session->time_delta + 30) << 32;
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if ($newMessageId > $maxMessageId) {
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throw new \danog\MadelineProto\Exception('Given message id ('.$newMessageId.') is too new compared to the max value ('.$maxMessageId.'). Consider syncing your date.');
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}
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if ($aargs['outgoing']) {
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if ($newMessageId % 4) {
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throw new \danog\MadelineProto\Exception('Given message id ('.$newMessageId.') is not divisible by 4. Consider syncing your date.');
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}
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if ($newMessageId <= $this->maxOutgoingId) {
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throw new \danog\MadelineProto\Exception('Given message id ('.$newMessageId.') is lower than or equal to the current limit ('.$this->maxOutgoingId.'). Consider syncing your date.');
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}
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$this->cleanup(false);
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$this->maxOutgoingId = $newMessageId;
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} else {
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if (!($newMessageId % 2)) {
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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 = $this->maxIncomingId;
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if ($aargs['container']) {
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if ($newMessageId >= $key) {
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$this->session->API->logger->logger('WARNING: Given message id ('.$newMessageId.') is bigger than or equal to the current limit ('.$key.'). Consider syncing your date.', \danog\MadelineProto\Logger::WARNING);
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}
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} else {
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if ($newMessageId <= $key) {
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$this->session->API->logger->logger('WARNING: Given message id ('.$newMessageId.') is lower than or equal to the current limit ('.$key.'). Consider syncing your date.', \danog\MadelineProto\Logger::WARNING);
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}
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}
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$this->cleanup(true);
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$this->maxIncomingId = $newMessageId;
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}
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}
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/**
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* Generate message ID.
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*
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* @return string
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*/
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public function generateMessageId(): string
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{
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$messageId = (\time() + $this->session->time_delta) << 32;
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if ($messageId <= $this->maxOutgoingId) {
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$messageId = $this->maxOutgoingId + 4;
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}
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$this->checkMessageId($messageId, ['outgoing' => true, 'container' => false]);
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return Tools::packSignedLong($messageId);
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}
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/**
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* Get maximum message ID.
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*
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* @param boolean $incoming Incoming or outgoing message ID
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*
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* @return mixed
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*/
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public function getMaxId(bool $incoming)
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{
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return $this->{$incoming ? 'maxIncomingId' : 'maxOutgoingId'};
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}
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/**
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* Get readable representation of message ID.
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*
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* @param string $messageId
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* @return string
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*/
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protected static function toStringInternal(string $messageId): string
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{
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return (string) Tools::unpackSignedLong($messageId);
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}
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}
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