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Support force_ip_resolve in StreamHandler #1659

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May 1, 2017
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28 changes: 26 additions & 2 deletions src/Handler/StreamHandler.php
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;

/**
* HTTP handler that uses PHP's HTTP stream wrapper.
Expand Down Expand Up @@ -301,21 +302,44 @@ private function createStream(RequestInterface $request, array $options)
);
}

$uri = $this->resolveUri($request->getUri(), $options);

$context = $this->createResource(
function () use ($context, $params) {
return stream_context_create($context, $params);
}
);

return $this->createResource(
function () use ($request, &$http_response_header, $context) {
$resource = fopen((string) $request->getUri()->withFragment(''), 'r', null, $context);
function () use ($uri, &$http_response_header, $context) {
$resource = fopen((string) $uri, 'r', null, $context);
$this->lastHeaders = $http_response_header;
return $resource;
}
);
}

private function resolveUri(UriInterface $uri, array $options)
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Maybe call it resolveIp or resolveAddress? Since that's what we do here, isn't it?

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Done. I chose the name resolveHost (we are resolving the hostname to an IP address).

{
if (isset($options['force_ip_resolve'])) {
if ('v4' === $options['force_ip_resolve']) {
$records = dns_get_record($uri->getHost(), DNS_A);
if (!isset($records[0]['ip'])) {
throw new ConnectException("Could not resolve IPv4 address for host '{$uri->getHost()}'", $request);
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Can you please use sprintf instead? I am not really fan of this kind of resolution.

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Done

}
$uri = $uri->withHost($records[0]['ip']);
} elseif ('v6' === $options['force_ip_resolve']) {
$records = dns_get_record($uri->getHost(), DNS_AAAA);
if (!isset($records[0]['ipv6'])) {
throw new ConnectException("Could not resolve IPv6 address for host '{$uri->getHost()}'", $request);
}
$uri = $uri->withHost('[' . $records[0]['ipv6'] . ']');
}
}

return $uri;
}

private function getDefaultContext(RequestInterface $request)
{
$headers = '';
Expand Down