NarouResolverを追加

refs #70

app/MetadataResolver/MetadataResolver.php

@@ -16,6 +16,7 @@ class MetadataResolver implements Resolver
         '~fantia\.jp/posts/\d+~' => FantiaResolver::class,
         '~dmm\.co\.jp/~' => FanzaResolver::class,
         '~www\.deviantart\.com/.*/art/.*~' => DeviantArtResolver::class,
+        '~\.syosetu\.com/n\d+[a-z]{2,}~' => NarouResolver::class,
         '/.*/' => OGPResolver::class
     ];
 

app/MetadataResolver/NarouResolver.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\MetadataResolver;
+
+use GuzzleHttp\Cookie\CookieJar;
+
+class NarouResolver implements Resolver
+{
+    public function resolve(string $url): Metadata
+    {
+        $cookieJar = CookieJar::fromArray(['over18' => 'yes'], '.syosetu.com');
+
+        $client = new \GuzzleHttp\Client();
+        $res = $client->get($url, ['cookies' => $cookieJar]);
+        if ($res->getStatusCode() === 200) {
+            $ogpResolver = new OGPResolver();
+
+            return $ogpResolver->parse($res->getBody());
+        } else {
+            throw new \RuntimeException("{$res->getStatusCode()}: $url");
+        }
+    }
+}