__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\SelfUpdate;
use Composer\Util\HttpDownloader;
use Composer\Config;
/**
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class Versions
{
/** @var string[] */
public static $channels = array('stable', 'preview', 'snapshot', '1', '2');
/** @var HttpDownloader */
private $httpDownloader;
/** @var Config */
private $config;
/** @var string */
private $channel;
/** @var array<string, array<int, array{path: string, version: string, min-php: int}>> */
private $versionsData;
public function __construct(Config $config, HttpDownloader $httpDownloader)
{
$this->httpDownloader = $httpDownloader;
$this->config = $config;
}
/**
* @return string
*/
public function getChannel()
{
if ($this->channel) {
return $this->channel;
}
$channelFile = $this->config->get('home').'/update-channel';
if (file_exists($channelFile)) {
$channel = trim(file_get_contents($channelFile));
if (in_array($channel, array('stable', 'preview', 'snapshot'), true)) {
return $this->channel = $channel;
}
}
return $this->channel = 'stable';
}
/**
* @param string $channel
*
* @return void
*/
public function setChannel($channel)
{
if (!in_array($channel, self::$channels, true)) {
throw new \InvalidArgumentException('Invalid channel '.$channel.', must be one of: ' . implode(', ', self::$channels));
}
$channelFile = $this->config->get('home').'/update-channel';
$this->channel = $channel;
file_put_contents($channelFile, (is_numeric($channel) ? 'stable' : $channel).PHP_EOL);
}
/**
* @param string|null $channel
*
* @return array{path: string, version: string, min-php: int}
*/
public function getLatest($channel = null)
{
$versions = $this->getVersionsData();
foreach ($versions[$channel ?: $this->getChannel()] as $version) {
if ($version['min-php'] <= PHP_VERSION_ID) {
return $version;
}
}
throw new \UnexpectedValueException('There is no version of Composer available for your PHP version ('.PHP_VERSION.')');
}
/**
* @return array<string, array<int, array{path: string, version: string, min-php: int}>>
*/
private function getVersionsData()
{
if (!$this->versionsData) {
if ($this->config->get('disable-tls') === true) {
$protocol = 'http';
} else {
$protocol = 'https';
}
$this->versionsData = $this->httpDownloader->get($protocol . '://getcomposer.org/versions')->decodeJson();
}
return $this->versionsData;
}
}