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[HttpClient] Add IPv6 support to NativeHttpClient #59068

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Merged
merged 1 commit into from
Jan 2, 2025
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Merged

[HttpClient] Add IPv6 support to NativeHttpClient #59068

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5 changes: 5 additions & 0 deletions src/Symfony/Component/HttpClient/CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,11 @@
CHANGELOG
=========

7.3
---

* Add IPv6 support to `NativeHttpClient`

7.2
---

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23 changes: 18 additions & 5 deletions src/Symfony/Component/HttpClient/NativeHttpClient.php
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Expand Up @@ -332,25 +332,38 @@ private static function dnsResolve(string $host, NativeClientState $multi, array
{
$flag = '' !== $host && '[' === $host[0] && ']' === $host[-1] && str_contains($host, ':') ? \FILTER_FLAG_IPV6 : \FILTER_FLAG_IPV4;
$ip = \FILTER_FLAG_IPV6 === $flag ? substr($host, 1, -1) : $host;
$now = microtime(true);

if (filter_var($ip, \FILTER_VALIDATE_IP, $flag)) {
// The host is already an IP address
} elseif (null === $ip = $multi->dnsCache[$host] ?? null) {
$info['debug'] .= "* Hostname was NOT found in DNS cache\n";
$now = microtime(true);

if (!$ip = gethostbynamel($host)) {
if ($ip = gethostbynamel($host)) {
$ip = $ip[0];
} elseif (!\defined('STREAM_PF_INET6')) {
throw new TransportException(\sprintf('Could not resolve host "%s".', $host));
} elseif ($ip = dns_get_record($host, \DNS_AAAA)) {
$ip = $ip[0]['ipv6'];
} elseif (\extension_loaded('sockets')) {
if (!$addrInfo = socket_addrinfo_lookup($host, 0, ['ai_socktype' => \SOCK_STREAM, 'ai_family' => \AF_INET6])) {
throw new TransportException(\sprintf('Could not resolve host "%s".', $host));
}

$ip = socket_addrinfo_explain($addrInfo[0])['ai_addr']['sin6_addr'];
} elseif ('localhost' === $host || 'localhost.' === $host) {
$ip = '::1';
} else {
throw new TransportException(\sprintf('Could not resolve host "%s".', $host));
}

$multi->dnsCache[$host] = $ip = $ip[0];
$multi->dnsCache[$host] = $ip;
$info['debug'] .= "* Added {$host}:0:{$ip} to DNS cache\n";
$host = $ip;
} else {
$info['debug'] .= "* Hostname was found in DNS cache\n";
$host = str_contains($ip, ':') ? "[$ip]" : $ip;
}

$host = str_contains($ip, ':') ? "[$ip]" : $ip;
$info['namelookup_time'] = microtime(true) - ($info['start_time'] ?: $now);
$info['primary_ip'] = $ip;

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23 changes: 23 additions & 0 deletions src/Symfony/Component/HttpClient/Tests/NativeHttpClientTest.php
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Expand Up @@ -11,8 +11,10 @@

namespace Symfony\Component\HttpClient\Tests;

use Symfony\Bridge\PhpUnit\DnsMock;
use Symfony\Component\HttpClient\NativeHttpClient;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\Test\TestHttpServer;

/**
* @group dns-sensitive
Expand Down Expand Up @@ -48,4 +50,25 @@ public function testHttp2PushVulcainWithUnusedResponse()
{
$this->markTestSkipped('NativeHttpClient doesn\'t support HTTP/2.');
}

public function testIPv6Resolve()
{
TestHttpServer::start(-8087);

DnsMock::withMockedHosts([
'symfony.com' => [
[
'type' => 'AAAA',
'ipv6' => '::1',
],
],
]);

$client = $this->getHttpClient(__FUNCTION__);
$response = $client->request('GET', 'http://symfony.com:8087/');

$this->assertSame(200, $response->getStatusCode());

DnsMock::withMockedHosts([]);
}
}