90 lines
3.5 KiB
PHP
90 lines
3.5 KiB
PHP
<?php
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/**
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* SeqNoHandler 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;
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/**
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* Manages sequence number.
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*/
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trait SeqNoHandler
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{
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public $session_out_seq_no = 0;
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public $session_in_seq_no = 0;
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public $session_id;
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public function generateOutSeqNo($contentRelated)
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{
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$in = $contentRelated ? 1 : 0;
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$value = $this->session_out_seq_no;
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$this->session_out_seq_no += $in;
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//$this->API->logger->logger("OUT: $value + $in = ".$this->session_out_seq_no);
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return $value * 2 + $in;
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}
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public function checkInSeqNo($current_msg_id): void
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{
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$type = isset($this->incoming_messages[$current_msg_id]['content']['_']) ? $this->incoming_messages[$current_msg_id]['content']['_'] : '-';
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if (isset($this->incoming_messages[$current_msg_id]['seq_no']) && ($seq_no = $this->generateInSeqNo($this->contentRelated($this->incoming_messages[$current_msg_id]['content']))) !== $this->incoming_messages[$current_msg_id]['seq_no']) {
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$this->API->logger->logger('SECURITY WARNING: Seqno mismatch (should be '.$seq_no.', is '.$this->incoming_messages[$current_msg_id]['seq_no'].', '.$type.')', \danog\MadelineProto\Logger::ULTRA_VERBOSE);
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}
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}
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public function generateInSeqNo($contentRelated)
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{
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$in = $contentRelated ? 1 : 0;
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$value = $this->session_in_seq_no;
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$this->session_in_seq_no += $in;
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//$this->API->logger->logger("IN: $value + $in = ".$this->session_in_seq_no);
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return $value * 2 + $in;
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}
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public function contentRelated($method): bool
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{
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$method = \is_array($method) && isset($method['_']) ? $method['_'] : $method;
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return \is_string($method) ? !\in_array($method, [
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//'rpc_result',
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//'rpc_error',
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'rpc_drop_answer',
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'rpc_answer_unknown',
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'rpc_answer_dropped_running',
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'rpc_answer_dropped',
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'get_future_salts',
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'future_salt',
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'future_salts',
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'ping',
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'pong',
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'ping_delay_disconnect',
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'destroy_session',
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'destroy_session_ok',
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'destroy_session_none',
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//'new_session_created',
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'msg_container',
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'msg_copy',
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'gzip_packed',
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'http_wait',
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'msgs_ack',
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'bad_msg_notification',
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'bad_server_salt',
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'msgs_state_req',
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'msgs_state_info',
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'msgs_all_info',
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'msg_detailed_info',
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'msg_new_detailed_info',
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'msg_resend_req',
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'msg_resend_ans_req',
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]) : true;
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}
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}
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