69 lines
2.9 KiB
PHP
69 lines
2.9 KiB
PHP
<?php
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namespace WP_Ultimo\Dependencies\Amp\Dns;
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use WP_Ultimo\Dependencies\Amp\Promise;
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use WP_Ultimo\Dependencies\Amp\WindowsRegistry\KeyNotFoundException;
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use WP_Ultimo\Dependencies\Amp\WindowsRegistry\WindowsRegistry;
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use function WP_Ultimo\Dependencies\Amp\call;
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final class WindowsConfigLoader implements ConfigLoader
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{
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private $hostLoader;
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public function __construct(HostLoader $hostLoader = null)
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{
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$this->hostLoader = $hostLoader ?? new HostLoader();
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}
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public function loadConfig() : Promise
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{
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return call(function () {
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$keys = ["WP_Ultimo\\Dependencies\\HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\NameServer", "WP_Ultimo\\Dependencies\\HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\DhcpNameServer"];
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$reader = new WindowsRegistry();
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$nameserver = "";
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while ($nameserver === "" && ($key = \array_shift($keys))) {
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try {
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$nameserver = (yield $reader->read($key));
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} catch (KeyNotFoundException $e) {
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// retry other possible locations
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}
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}
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if ($nameserver === "") {
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$interfaces = "WP_Ultimo\\Dependencies\\HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces";
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$subKeys = (yield $reader->listKeys($interfaces));
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foreach ($subKeys as $key) {
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foreach (["NameServer", "DhcpNameServer"] as $property) {
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try {
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$nameserver = (yield $reader->read("{$key}\\{$property}"));
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if ($nameserver !== "") {
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break 2;
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}
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} catch (KeyNotFoundException $e) {
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// retry other possible locations
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}
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}
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}
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}
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if ($nameserver === "") {
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throw new ConfigException("Could not find a nameserver in the Windows Registry");
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}
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$nameservers = [];
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// Microsoft documents space as delimiter, AppVeyor uses comma, we just accept both
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foreach (\explode(" ", \strtr($nameserver, ",", " ")) as $nameserver) {
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$nameserver = \trim($nameserver);
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$ip = @\inet_pton($nameserver);
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if ($ip === \false) {
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continue;
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}
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if (isset($ip[15])) {
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// IPv6
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$nameservers[] = "[" . $nameserver . "]:53";
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} else {
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// IPv4
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$nameservers[] = $nameserver . ":53";
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}
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}
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$hosts = (yield $this->hostLoader->loadHosts());
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return new Config($nameservers, $hosts);
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});
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}
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}
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