<?php

declare(strict_types=1);

namespace Docker;

use Http\Client\Common\Plugin\AddHostPlugin;

use Http\Client\Common\Plugin\AddPathPlugin;

use Http\Client\Common\Plugin\ContentLengthPlugin;

use Http\Client\Common\Plugin\DecoderPlugin;

use Http\Client\Common\Plugin\HeaderDefaultsPlugin;

use Http\Client\Common\PluginClientFactory;

use Http\Client\Socket\Client;

use Http\Discovery\UriFactoryDiscovery;

use Psr\Http\Client\ClientInterface;

final class DockerClientFactory

{

public static function create(array $config = [], PluginClientFactory $pluginClientFactory = null): ClientInterface

{

if (!\array_key_exists('remote_socket', $config)) {

$config['remote_socket'] = 'unix:///var/run/docker.sock';

}

$socketClient = new Client($config);

$uriFactory = UriFactoryDiscovery::find();

$host = \preg_match('/unix:\/\//', $config['remote_socket']) ? 'http://localhost' : $config['remote_socket'];

$pluginClientFactory = $pluginClientFactory ?? new PluginClientFactory();

return $pluginClientFactory->createClient(

$socketClient,

[

new ContentLengthPlugin(),

new DecoderPlugin(),

new AddPathPlugin($uriFactory->createUri('/v1.41')),

new AddHostPlugin($uriFactory->createUri($host)),

new HeaderDefaultsPlugin([

'host' => \parse_url($host, \PHP_URL_HOST),

]),

],

[

'client_name' => 'docker-client',

]

);

}

public static function createFromEnv(PluginClientFactory $pluginClientFactory = null): ClientInterface

{

$options = [

'remote_socket' => \getenv('DOCKER_HOST') ? \getenv('DOCKER_HOST') : 'unix:///var/run/docker.sock',

];

if (\getenv('DOCKER_TLS_VERIFY') && '1' === \getenv('DOCKER_TLS_VERIFY')) {

if (!\getenv('DOCKER_CERT_PATH')) {

throw new \RuntimeException('Connection to docker has been set to use TLS, but no PATH is defined for certificate in DOCKER_CERT_PATH docker environment variable');

}

$cafile = \getenv('DOCKER_CERT_PATH').\DIRECTORY_SEPARATOR.'ca.pem';

$certfile = \getenv('DOCKER_CERT_PATH').\DIRECTORY_SEPARATOR.'cert.pem';

$keyfile = \getenv('DOCKER_CERT_PATH').\DIRECTORY_SEPARATOR.'key.pem';

$stream_context = [

'cafile' => $cafile,

'local_cert' => $certfile,

'local_pk' => $keyfile,

];

if (\getenv('DOCKER_PEER_NAME')) {

$stream_context['peer_name'] = \getenv('DOCKER_PEER_NAME');

}

$options['ssl'] = true;

$options['stream_context_options'] = [

'ssl' => $stream_context,

];

}

return self::create($options, $pluginClientFactory);

}

}