Initial Commit

dependencies/remotelyliving/php-dns/src/Services/LocalSystemDNS.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace WP_Ultimo\Dependencies\RemotelyLiving\PHPDNS\Services;
+
+use WP_Ultimo\Dependencies\RemotelyLiving\PHPDNS\Resolvers\Exceptions\QueryFailure;
+use WP_Ultimo\Dependencies\RemotelyLiving\PHPDNS\Resolvers\Exceptions\ReverseLookupFailure;
+use WP_Ultimo\Dependencies\RemotelyLiving\PHPDNS\Services\Interfaces\LocalSystemDNS as LocalSystemDNSInterface;
+use function dns_get_record;
+use function gethostbyaddr;
+final class LocalSystemDNS implements LocalSystemDNSInterface
+{
+    /**
+     * @throws \RemotelyLiving\PHPDNS\Resolvers\Exceptions\QueryFailure
+     */
+    public function getRecord(string $hostname, int $type) : array
+    {
+        $results = @dns_get_record($hostname, $type);
+        // this is untestable without creating a system networking failure
+        // @codeCoverageIgnoreStart
+        if ($results === \false) {
+            throw new QueryFailure();
+        }
+        // @codeCoverageIgnoreEnd
+        return $results;
+    }
+    /**
+     * @throws \RemotelyLiving\PHPDNS\Resolvers\Exceptions\ReverseLookupFailure
+     */
+    public function getHostnameByAddress(string $IPAddress) : string
+    {
+        $hostname = @gethostbyaddr($IPAddress);
+        if ($hostname === $IPAddress || $hostname === \false) {
+            throw new ReverseLookupFailure();
+        }
+        return $hostname;
+    }
+}