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<?php
/**
* Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Licensed under the MIT license:
* http://opensource.org/licenses/MIT
*/
namespace Icewind\SMB\Wrapped;
use Icewind\SMB\AbstractServer;
use Icewind\SMB\Exception\AuthenticationException;
use Icewind\SMB\Exception\ConnectException;
use Icewind\SMB\Exception\ConnectionException;
use Icewind\SMB\Exception\ConnectionRefusedException;
use Icewind\SMB\Exception\Exception;
use Icewind\SMB\Exception\InvalidHostException;
use Icewind\SMB\IShare;
use Icewind\SMB\ISystem;
class Server extends AbstractServer {
/**
* Check if the smbclient php extension is available
*
* @param ISystem $system
* @return bool
*/
public static function available(ISystem $system): bool {
return $system->getSmbclientPath() !== null;
}
private function getAuthFileArgument(): string {
if ($this->getAuth()->getUsername()) {
return '--authentication-file=' . $this->system->getFD(3);
} else {
return '';
}
}
/**
* @return IShare[]
*
* @throws AuthenticationException
* @throws InvalidHostException
* @throws ConnectException
*/
public function listShares(): array {
$maxProtocol = $this->options->getMaxProtocol();
$minProtocol = $this->options->getMinProtocol();
$smbClient = $this->system->getSmbclientPath();
if ($smbClient === null) {
throw new Exception("Backend not available");
}
$command = sprintf(
'%s %s %s %s %s -L %s',
$smbClient,
$this->getAuthFileArgument(),
$this->getAuth()->getExtraCommandLineArguments(),
$maxProtocol ? "--option='client max protocol=" . $maxProtocol . "'" : "",
$minProtocol ? "--option='client min protocol=" . $minProtocol . "'" : "",
escapeshellarg('//' . $this->getHost())
);
$connection = new RawConnection($command);
$connection->writeAuthentication($this->getAuth()->getUsername(), $this->getAuth()->getPassword());
$connection->connect();
if (!$connection->isValid()) {
throw new ConnectionException((string)$connection->readLine());
}
$parser = new Parser($this->timezoneProvider->get($this->host));
$output = $connection->readAll();
if (isset($output[0])) {
$parser->checkConnectionError($output[0]);
}
// sometimes we get an empty line first
if (count($output) < 2) {
$output = $connection->readAll();
}
if (isset($output[0])) {
$parser->checkConnectionError($output[0]);
}
if (count($output) === 0) {
throw new ConnectionRefusedException();
}
$shareNames = $parser->parseListShares($output);
$shares = [];
foreach ($shareNames as $name => $description) {
$shares[] = $this->getShare($name);
}
return $shares;
}
/**
* @param string $name
* @return IShare
*/
public function getShare(string $name): IShare {
return new Share($this, $name, $this->system);
}
}
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