From 96cd4163be7951de6b114c72f869e5fd631d7348 Mon Sep 17 00:00:00 2001
From: yggverse <yggverse@bot>
Date: Sun, 7 Apr 2024 00:58:48 +0300
Subject: [PATCH] implement resolve feature

---
 README.md       |  31 ++++++++
 src/Resolve.php | 185 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 216 insertions(+)
 create mode 100644 src/Resolve.php

diff --git a/README.md b/README.md
index d22fa2a..1e54a7c 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,37 @@ var_dump(
 );
 ```
 
+### Resolve
+
+```
+$resolve = new \Yggverse\Net\Resolve(
+    [
+        'A',
+        'AAAA'
+    ],
+    [
+        '1.1.1.1',
+        '8.8.8.8'
+    ],
+    // ..
+);
+
+$resolved = $resolve->address(
+    'https://en.wikipedia.org/wiki/Domain_Name_System'
+);
+
+if ($resolved)
+{
+    var_dump(
+        $resolved->get() // https://185.15.59.224/wiki/Domain_Name_System
+    );
+
+    var_dump(
+        $resolved->getHost() // 185.15.59.224
+    );
+}
+```
+
 ### Address
 
 Includes methods to work with network addresses.
diff --git a/src/Resolve.php b/src/Resolve.php
new file mode 100644
index 0000000..be90e33
--- /dev/null
+++ b/src/Resolve.php
@@ -0,0 +1,185 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Net;
+
+class Resolve
+{
+    private array $_providers =
+    [
+        '1.1.1.1',
+        '8.8.8.8'
+    ];
+
+    private array $_records =
+    [
+        'A',
+        'AAAA'
+    ];
+
+    private int $_timeout = 5;
+
+    private bool $_shuffle = false;
+
+    public function __construct(
+        ?array $records = null,
+        ?array $providers = null,
+        ?int $timeout = null,
+        bool $shuffle = false
+    ) {
+        if ($records)
+        {
+            $this->setRecords(
+                $records
+            );
+        }
+
+        if ($providers)
+        {
+            $this->setProviders(
+                $providers
+            );
+        }
+
+        if ($timeout)
+        {
+            $this->setTimeout(
+                $timeout
+            );
+        }
+
+        $this->setShuffle(
+            $shuffle
+        );
+    }
+
+    public function getRecords(): array
+    {
+        return $this->_records;
+    }
+
+    public function setRecords(array $records): void
+    {
+        foreach ($records as $record)
+        {
+            $this->addRecord(
+                $record
+            );
+        }
+    }
+
+    public function addRecord(string $record): void
+    {
+        $this->_records[] = $record;
+
+        $this->_records = array_unique(
+            $this->_records
+        );
+    }
+
+    public function getProviders(): array
+    {
+        return $this->_providers;
+    }
+
+    public function setProviders(array $providers): void
+    {
+        foreach ($providers as $provider)
+        {
+            $this->addProvider(
+                $provider
+            );
+        }
+    }
+
+    public function addProvider(string $provider): void
+    {
+        $this->_providers[] = $provider;
+
+        $this->_providers = array_unique(
+            $this->_providers
+        );
+    }
+
+    public function setTimeout(
+        int $timeout
+    ): void
+    {
+        $this->_timeout = $timeout;
+    }
+
+    public function getTimeout(): int
+    {
+        return $this->_timeout;
+    }
+
+    public function setShuffle(
+        bool $shuffle
+    ): void
+    {
+        $this->_shuffle = $shuffle;
+    }
+
+    public function isShuffle(): bool
+    {
+        return $this->_shuffle;
+    }
+
+    public function address(
+        string $url,
+        array &$result = [],
+        array &$error = []
+    ): ?\Yggverse\Net\Address
+    {
+        $address = new \Yggverse\Net\Address(
+            $url
+        );
+
+        foreach ($this->_providers as $provider)
+        {
+            foreach (
+                \Yggverse\Net\Dig::records(
+                    $address->getHost(),
+                    $this->_records,
+                    $result,
+                    $error,
+                    $provider,
+                    $this->_timeout
+                ) as $record => $data
+            ) {
+
+                if ($this->_shuffle)
+                {
+                    shuffle(
+                        $data
+                    );
+                }
+
+                foreach ($data as $host)
+                {
+                    if (false !== filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6))
+                    {
+                        $resolved->setHost(
+                            sprintf(
+                                '[%s]',
+                                $host
+                            )
+                        );
+                    }
+
+                    else
+                    {
+                        $address->setHost(
+                            $host
+                        );
+                    }
+
+                    return $address;
+                }
+            }
+        }
+
+        return null;
+    }
+}
\ No newline at end of file