From bbbffcb39e563ba755f84cbec8cd3de19d262a18 Mon Sep 17 00:00:00 2001
From: Eai <eai@mizle.net>
Date: Sat, 19 Jan 2019 16:19:34 +0900
Subject: [PATCH] =?UTF-8?q?DeviantArtResolver=E3=82=92=E8=BF=BD=E5=8A=A0?=
 =?UTF-8?q?=20(#52)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/MetadataResolver/DeviantArtResolver.php | 42 +++++++++++++++++++++
 app/MetadataResolver/MetadataResolver.php   |  1 +
 2 files changed, 43 insertions(+)
 create mode 100644 app/MetadataResolver/DeviantArtResolver.php

diff --git a/app/MetadataResolver/DeviantArtResolver.php b/app/MetadataResolver/DeviantArtResolver.php
new file mode 100644
index 0000000..fb939d5
--- /dev/null
+++ b/app/MetadataResolver/DeviantArtResolver.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace App\MetadataResolver;
+
+class DeviantArtResolver implements Resolver
+{
+    public function resolve(string $url): Metadata
+    {
+        $client = new \GuzzleHttp\Client();
+        $res = $client->get($url);
+        if ($res->getStatusCode() === 200) {
+            $ogpResolver = new OGPResolver();
+            $metadata = $ogpResolver->parse($res->getBody());
+
+            $dom = new \DOMDocument();
+            @$dom->loadHTML(mb_convert_encoding($res->getBody(), 'HTML-ENTITIES', 'UTF-8'));
+            $xpath = new \DOMXPath($dom);
+
+            $node = $xpath->query('//*[@id="pimp-preload"]/following-sibling::div//img')->item(0);
+            $srcset = $node->getAttribute('srcset');
+            $srcset_array = explode('w,', $srcset);
+            $src = end($srcset_array);
+            $src = preg_replace('~ \d+w$~', '', $src);
+
+            if (preg_match('~\.wixmp\.com$~', parse_url($src)['host'])) {
+                // アスペクト比を保ったまま、縦か横が最大700pxになるように変換する。
+                // Ref: https://support.wixmp.com/en/article/image-service-3835799
+                if (strpos($src, '/v1/fill/')) {
+                    $src = preg_replace('~/v1/fill/w_\d+,h_\d+,q_\d+,strp~', '/v1/fit/w_700,h_700,q_70,strp', $src);
+                } else {
+                    $src = $src . '/v1/fit/w_700,h_700,q_70,strp/image.jpg';
+                }
+            }
+
+            $metadata->image = $src;
+
+            return $metadata;
+        } else {
+            throw new \RuntimeException("{$res->getStatusCode()}: $url");
+        }
+    }
+}
diff --git a/app/MetadataResolver/MetadataResolver.php b/app/MetadataResolver/MetadataResolver.php
index 3074f61..246a77a 100644
--- a/app/MetadataResolver/MetadataResolver.php
+++ b/app/MetadataResolver/MetadataResolver.php
@@ -15,6 +15,7 @@ class MetadataResolver implements Resolver
         '~www\.pixiv\.net/member_illust\.php\?illust_id=\d+~' => PixivResolver::class,
         '~fantia\.jp/posts/\d+~' => FantiaResolver::class,
         '~dmm\.co\.jp/~' => FanzaResolver::class,
+        '~www\.deviantart\.com/.*/art/.*~' => DeviantArtResolver::class,
         '/.*/' => OGPResolver::class
     ];