262 lines
6.1 KiB
PHP
262 lines
6.1 KiB
PHP
<?php
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/**
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* Session paths 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;
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use Amp\File\StatCache;
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use Amp\Promise;
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use Amp\Success;
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use danog\MadelineProto\Ipc\IpcState;
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use function Amp\File\exists;
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use function Amp\File\open;
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use function Amp\File\rename;
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/**
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* Session path information.
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*/
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class SessionPaths
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{
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/**
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* Legacy session path.
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*/
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private string $legacySessionPath;
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/**
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* Session path.
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*/
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private string $sessionPath;
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/**
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* Session lock path.
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*/
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private string $lockPath;
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/**
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* IPC socket path.
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*/
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private string $ipcPath;
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/**
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* IPC callback socket path.
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*/
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private string $ipcCallbackPath;
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/**
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* IPC light state path.
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*/
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private string $ipcStatePath;
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/**
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* Light state path.
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*/
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private string $lightStatePath;
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/**
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* Light state.
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*/
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private ?LightState $lightState = null;
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/**
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* Construct session info from session name.
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*
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* @param string $session Session name
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*/
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public function __construct(string $session)
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{
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$session = Tools::absolute($session);
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$this->legacySessionPath = $session;
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$this->sessionPath = "$session.safe.php";
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$this->lightStatePath = "$session.lightState.php";
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$this->lockPath = "$session.lock";
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$this->ipcPath = "$session.ipc";
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$this->ipcCallbackPath = "$session.callback.ipc";
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$this->ipcStatePath = "$session.ipcState.php";
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}
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/**
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* Serialize object to file.
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*
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* @param object $object
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* @param string $path
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* @return \Generator
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*/
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public function serialize(object $object, string $path): \Generator
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{
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$file = yield open("$path.temp.php", 'bw+');
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yield $file->write(Serialization::PHP_HEADER);
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yield $file->write(\chr(Serialization::VERSION));
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yield $file->write(\serialize($object));
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yield $file->close();
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yield rename("$path.temp.php", $path);
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}
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/**
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* Deserialize new object.
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*
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* @param string $path Object path, defaults to session path
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*
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* @return \Generator
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*/
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public function unserialize(string $path = ''): \Generator
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{
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$path = $path ?: $this->sessionPath;
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StatCache::clear($path);
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if (!yield exists($path)) {
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return null;
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}
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$headerLen = \strlen(Serialization::PHP_HEADER) + 1;
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$file = yield open($path, 'rb');
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$size = yield \stat($path);
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$size = $size['size'] ?? $headerLen;
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yield $file->seek($headerLen); // Skip version for now
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$unserialized = \unserialize((yield $file->read($size - $headerLen)) ?? '');
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yield $file->close();
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return $unserialized;
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}
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/**
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* Get session path.
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*
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* @return string
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*/
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public function __toString(): string
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{
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return $this->legacySessionPath;
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}
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/**
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* Get legacy session path.
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*
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* @return string
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*/
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public function getLegacySessionPath(): string
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{
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return $this->legacySessionPath;
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}
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/**
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* Get session path.
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*
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* @return string
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*/
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public function getSessionPath(): string
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{
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return $this->sessionPath;
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}
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/**
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* Get lock path.
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*
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* @return string
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*/
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public function getLockPath(): string
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{
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return $this->lockPath;
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}
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/**
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* Get IPC socket path.
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*
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* @return string
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*/
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public function getIpcPath(): string
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{
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return $this->ipcPath;
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}
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/**
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* Get IPC light state path.
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*
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* @return string
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*/
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public function getIpcStatePath(): string
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{
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return $this->ipcStatePath;
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}
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/**
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* Get IPC state.
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*
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* @return Promise<?IpcState>
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*/
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public function getIpcState(): Promise
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{
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return Tools::call($this->unserialize($this->ipcStatePath));
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}
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/**
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* Store IPC state.
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*
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* @return \Generator
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*/
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public function storeIpcState(IpcState $state): \Generator
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{
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return $this->serialize($state, $this->getIpcStatePath());
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}
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/**
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* Get light state path.
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*
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* @return string
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*/
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public function getLightStatePath(): string
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{
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return $this->lightStatePath;
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}
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/**
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* Get light state.
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*
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* @return Promise<LightState>
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*/
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public function getLightState(): Promise
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{
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if ($this->lightState) {
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return new Success($this->lightState);
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}
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$promise = Tools::call($this->unserialize($this->lightStatePath));
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$promise->onResolve(function (?\Throwable $e, ?LightState $res) {
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if ($res) {
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$this->lightState = $res;
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}
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});
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return $promise;
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}
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/**
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* Store light state.
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*
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* @return \Generator
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*/
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public function storeLightState(MTProto $state): \Generator
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{
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$this->lightState = new LightState($state);
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return $this->serialize($this->lightState, $this->getLightStatePath());
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}
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/**
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* Get IPC callback socket path.
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*
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* @return string
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*/
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public function getIpcCallbackPath(): string
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{
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return $this->ipcCallbackPath;
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}
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}
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