Create DuckDuckGoProvider.php (#14)

src/Provider/DuckDuckGoProvider.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace StefanBauer\LaravelFaviconExtractor\Provider;
+
+use GrahamCampbell\GuzzleFactory\GuzzleFactory;
+
+class DuckDuckGoProvider implements ProviderInterface
+{
+    public function fetchFromUrl(string $url): string
+    {
+        $client = GuzzleFactory::make();
+
+        $response = $client->get($this->getUrl($url));
+
+        return $response->getBody()->getContents();
+    }
+
+    private function getUrl(string $url): string
+    {
+        $domain = preg_replace('/https?:\/\/([\w\-\.]+)\/?.*/i', '$1', $url);
+
+        return 'https://icons.duckduckgo.com/ip3/'.$domain;
+    }
+}