114 lines
3.7 KiB
PHP
114 lines
3.7 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpClient;
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use Psr\Log\LoggerAwareInterface;
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use Psr\Log\LoggerInterface;
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use Symfony\Component\HttpClient\Exception\InvalidArgumentException;
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use Symfony\Component\HttpClient\Exception\TransportException;
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use Symfony\Component\HttpFoundation\IpUtils;
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use Symfony\Contracts\HttpClient\HttpClientInterface;
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use Symfony\Contracts\HttpClient\ResponseInterface;
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use Symfony\Contracts\HttpClient\ResponseStreamInterface;
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/**
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* Decorator that blocks requests to private networks by default.
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*
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* @author Hallison Boaventura <hallisonboaventura@gmail.com>
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*/
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final class NoPrivateNetworkHttpClient implements HttpClientInterface, LoggerAwareInterface
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{
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use HttpClientTrait;
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private const PRIVATE_SUBNETS = [
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'127.0.0.0/8',
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'10.0.0.0/8',
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'192.168.0.0/16',
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'172.16.0.0/12',
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'169.254.0.0/16',
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'0.0.0.0/8',
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'240.0.0.0/4',
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'::1/128',
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'fc00::/7',
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'fe80::/10',
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'::ffff:0:0/96',
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'::/128',
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];
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private $client;
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private $subnets;
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/**
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* @param string|array|null $subnets String or array of subnets using CIDR notation that will be used by IpUtils.
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* If null is passed, the standard private subnets will be used.
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*/
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public function __construct(HttpClientInterface $client, $subnets = null)
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{
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if (!(\is_array($subnets) || \is_string($subnets) || null === $subnets)) {
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throw new \TypeError(sprintf('Argument 2 passed to "%s()" must be of the type array, string or null. "%s" given.', __METHOD__, get_debug_type($subnets)));
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}
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if (!class_exists(IpUtils::class)) {
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throw new \LogicException(sprintf('You can not use "%s" if the HttpFoundation component is not installed. Try running "composer require symfony/http-foundation".', __CLASS__));
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}
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$this->client = $client;
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$this->subnets = $subnets;
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}
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/**
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* {@inheritdoc}
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*/
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public function request(string $method, string $url, array $options = []): ResponseInterface
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{
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$onProgress = $options['on_progress'] ?? null;
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if (null !== $onProgress && !\is_callable($onProgress)) {
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throw new InvalidArgumentException(sprintf('Option "on_progress" must be callable, "%s" given.', get_debug_type($onProgress)));
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}
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$subnets = $this->subnets;
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$lastPrimaryIp = '';
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$options['on_progress'] = function (int $dlNow, int $dlSize, array $info) use ($onProgress, $subnets, &$lastPrimaryIp): void {
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if ($info['primary_ip'] !== $lastPrimaryIp) {
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if (IpUtils::checkIp($info['primary_ip'], $subnets ?? self::PRIVATE_SUBNETS)) {
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throw new TransportException(sprintf('IP "%s" is blocked for "%s".', $info['primary_ip'], $info['url']));
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}
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$lastPrimaryIp = $info['primary_ip'];
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}
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null !== $onProgress && $onProgress($dlNow, $dlSize, $info);
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};
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return $this->client->request($method, $url, $options);
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}
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/**
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* {@inheritdoc}
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*/
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public function stream($responses, float $timeout = null): ResponseStreamInterface
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{
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return $this->client->stream($responses, $timeout);
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}
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/**
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* {@inheritdoc}
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*/
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public function setLogger(LoggerInterface $logger): void
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{
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if ($this->client instanceof LoggerAwareInterface) {
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$this->client->setLogger($logger);
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}
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}
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}
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