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Support force_ip_resolve in StreamHandler #1659

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merged 3 commits into from
May 1, 2017
Merged

Support force_ip_resolve in StreamHandler #1659

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e980738
Support force_ip_resolve in StreamHandler
c960657 Nov 15, 2016
fbab002
Review fixes
c960657 Dec 29, 2016
eb79b37
Merge branch 'master' into force-ip-resolve-stream
c960657 Mar 29, 2017
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2 changes: 1 addition & 1 deletion docs/request-options.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -438,7 +438,7 @@ force_ip_resolve

This setting must be supported by the HTTP handler used to send a request.
``force_ip_resolve`` is currently only supported by the built-in cURL
handler.
and stream handlers.


form_params
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29 changes: 27 additions & 2 deletions src/Handler/StreamHandler.php
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Original file line number Diff line number Diff line change
Expand Up @@ -310,6 +310,8 @@ private function createStream(RequestInterface $request, array $options)

throw new \InvalidArgumentException('Microsoft NTLM authentication only supported with curl handler');
}

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

$context = $this->createResource(
function () use ($context, $params) {
Expand All @@ -318,8 +320,8 @@ function () use ($context, $params) {
);

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

if (isset($options['read_timeout'])) {
Expand All @@ -334,6 +336,29 @@ function () use ($request, &$http_response_header, $context, $options) {
);
}

private function resolveHost(RequestInterface $request, array $options)
{
$uri = $request->getUri();

if (isset($options['force_ip_resolve']) && !filter_var($uri->getHost(), FILTER_VALIDATE_IP)) {
if ('v4' === $options['force_ip_resolve']) {
$records = dns_get_record($uri->getHost(), DNS_A);
if (!isset($records[0]['ip'])) {
throw new ConnectException(sprintf("Could not resolve IPv4 address for host '%s'", $uri->getHost()), $request);
}
$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(sprintf("Could not resolve IPv6 address for host '%s'", $uri->getHost()), $request);
}
$uri = $uri->withHost('[' . $records[0]['ipv6'] . ']');
}
}

return $uri;
}

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