feat: Add Nyaa搜索结果 (#3511)

docs/multimedia.md

@@ -126,6 +126,12 @@ pageClass: routes
 
 </Route>
 
+## Nyaa
+
+### 搜索结果
+
+<Route author="Lava-Swimmer" example="/nyaa/search/psycho-pass" path="/nyaa/search/:keyword" :paramsDesc="['搜索关键字']" supportBT="1"/>
+
 ## rs05 人生 05 电影
 
 ### rs05 电影列表

lib/router.js

@@ -2007,6 +2007,9 @@ router.get('/transferwise/pair/:source/:target', require('./routes/transferwise/
 // chocolatey
 router.get('/chocolatey/software/:name?', require('./routes/chocolatey/software'));
 
+// Nyaa
+router.get('/nyaa/search/:query?', require('./routes/nyaa/search'));
+
 // 片源网
 router.get('/pianyuan/:media?', require('./routes/pianyuan/app'));
 

lib/routes/nyaa/search.js

@@ -0,0 +1,31 @@
+const config = require('@/config').value;
+const Parser = require('rss-parser');
+
+module.exports = async (ctx) => {
+    const parser = new Parser({
+        customFields: {
+            item: ['magnet', ['nyaa:infoHash', 'infoHash']],
+        },
+        headers: {
+            'User-Agent': config.ua,
+        },
+    });
+
+    const { query = '' } = ctx.params;
+    const feed = await parser.parseURL(`https://nyaa.uk/?page=rss&c=0_0&f=0&q=${encodeURI(query)}`);
+
+    feed.items.map((item) => {
+        item.link = item.guid;
+        item.description = item.content;
+        item.enclosure_url = `magnet:?xt=urn:btih:${item.infoHash}`;
+        item.enclosure_type = 'application/x-bittorrent';
+        return item;
+    });
+
+    ctx.state.data = {
+        title: feed.title,
+        link: `https://nyaa.uk/?f=0&c=0_0&q=${query}`,
+        description: feed.description,
+        item: feed.items,
+    };
+};