144 lines
4.0 KiB
PHP
144 lines
4.0 KiB
PHP
<?php
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/**
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* Default stream wrapper.
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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\Stream\Transport;
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use Amp\ByteStream\ClosedException;
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use Amp\CancellationToken;
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use Amp\Promise;
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use Amp\Socket\ClientTlsContext;
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use Amp\Socket\Connector;
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use Amp\Socket\EncryptableSocket;
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use Amp\Socket\Socket;
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use danog\MadelineProto\Stream\Async\RawStream;
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use danog\MadelineProto\Stream\ProxyStreamInterface;
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use danog\MadelineProto\Stream\RawStreamInterface;
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use function Amp\Socket\connector;
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/**
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* Default stream wrapper.
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*
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* Manages reading data in chunks
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*
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* @author Daniil Gentili <daniil@daniil.it>
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*/
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class DefaultStream implements RawStreamInterface, ProxyStreamInterface
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{
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use RawStream;
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/**
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* Socket.
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*
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* @var EncryptableSocket
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*/
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private $stream;
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/**
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* Connector.
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*
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* @var Connector
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*/
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private $connector;
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public function setupTls(?CancellationToken $cancellationToken = null): \Amp\Promise
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{
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return $this->stream->setupTls($cancellationToken);
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}
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public function getStream()
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{
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return $this->stream;
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}
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public function connect(\danog\MadelineProto\Stream\ConnectionContext $ctx, string $header = ''): \Generator
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{
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$ctx = $ctx->getCtx();
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$uri = $ctx->getUri();
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$secure = $ctx->isSecure();
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if ($secure) {
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$ctx->setSocketContext($ctx->getSocketContext()->withTlsContext(new ClientTlsContext($uri->getHost())));
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}
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$this->stream = (yield ($this->connector ?? connector())->connect((string) $uri, $ctx->getSocketContext(), $ctx->getCancellationToken()));
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if ($secure) {
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yield $this->stream->setupTls();
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}
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yield $this->stream->write($header);
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}
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/**
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* Async chunked read.
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*
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* @return Promise
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*/
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public function read(): Promise
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{
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return $this->stream ? $this->stream->read() : new \Amp\Success(null);
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}
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/**
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* Async write.
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*
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* @param string $data Data to write
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*
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* @return Promise
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*/
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public function write(string $data): Promise
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{
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if (!$this->stream) {
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throw new ClosedException("MadelineProto stream was disconnected");
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}
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return $this->stream->write($data);
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}
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/**
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* Close.
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*
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* @return void
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*/
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public function disconnect()
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{
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try {
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if ($this->stream) {
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$this->stream->close();
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$this->stream = null;
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}
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} catch (\Throwable $e) {
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\danog\MadelineProto\Logger::log('Got exception while closing stream: '.$e->getMessage());
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}
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}
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/**
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* Close.
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*
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* @return void
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*/
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public function close()
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{
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$this->disconnect();
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}
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/**
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* {@inheritdoc}
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*
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* @return EncryptableSocket
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*/
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public function getSocket(): EncryptableSocket
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{
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return $this->stream;
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}
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public function setExtra($extra)
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{
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$this->connector = $extra;
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}
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public static function getName(): string
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{
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return __CLASS__;
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}
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}
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